diff options
author | Eric Anholt <[email protected]> | 2010-08-20 10:52:14 -0700 |
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committer | Eric Anholt <[email protected]> | 2010-08-20 10:55:42 -0700 |
commit | 284ce20901b0c2cfab1d952cc129b8f3cd068f12 (patch) | |
tree | fb245e2b41adaad79b01d54aa288943466304b21 /src/glsl | |
parent | a4b10a56145ea253def4cf958410d770d0640bc9 (diff) |
Remove remnants of the old glsl compiler.
Diffstat (limited to 'src/glsl')
28 files changed, 0 insertions, 8082 deletions
diff --git a/src/glsl/cl/Makefile b/src/glsl/cl/Makefile deleted file mode 100644 index 04a52df8c33..00000000000 --- a/src/glsl/cl/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -#src/glsl/cl/Makefile - -TOP = ../../.. - -include $(TOP)/configs/current - -LIBNAME = glslcl - -C_SOURCES = \ - sl_cl_parse.c - -include ../Makefile.template - diff --git a/src/glsl/cl/sl_cl_parse.c b/src/glsl/cl/sl_cl_parse.c deleted file mode 100644 index c1bc6031ce6..00000000000 --- a/src/glsl/cl/sl_cl_parse.c +++ /dev/null @@ -1,3027 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include "../pp/sl_pp_public.h" -#include "../pp/sl_pp_token.h" -#include "sl_cl_parse.h" - - -/* revision number - increment after each change affecting emitted output */ -#define REVISION 5 - -/* external declaration (or precision or invariant stmt) */ -#define EXTERNAL_NULL 0 -#define EXTERNAL_FUNCTION_DEFINITION 1 -#define EXTERNAL_DECLARATION 2 -#define DEFAULT_PRECISION 3 -#define INVARIANT_STMT 4 - -/* precision */ -#define PRECISION_DEFAULT 0 -#define PRECISION_LOW 1 -#define PRECISION_MEDIUM 2 -#define PRECISION_HIGH 3 - -/* declaration */ -#define DECLARATION_FUNCTION_PROTOTYPE 1 -#define DECLARATION_INIT_DECLARATOR_LIST 2 - -/* function type */ -#define FUNCTION_ORDINARY 0 -#define FUNCTION_CONSTRUCTOR 1 -#define FUNCTION_OPERATOR 2 - -/* function call type */ -#define FUNCTION_CALL_NONARRAY 0 -#define FUNCTION_CALL_ARRAY 1 - -/* operator type */ -#define OPERATOR_ADDASSIGN 1 -#define OPERATOR_SUBASSIGN 2 -#define OPERATOR_MULASSIGN 3 -#define OPERATOR_DIVASSIGN 4 -/*#define OPERATOR_MODASSIGN 5*/ -/*#define OPERATOR_LSHASSIGN 6*/ -/*#define OPERATOR_RSHASSIGN 7*/ -/*#define OPERATOR_ORASSIGN 8*/ -/*#define OPERATOR_XORASSIGN 9*/ -/*#define OPERATOR_ANDASSIGN 10*/ -#define OPERATOR_LOGICALXOR 11 -/*#define OPERATOR_BITOR 12*/ -/*#define OPERATOR_BITXOR 13*/ -/*#define OPERATOR_BITAND 14*/ -#define OPERATOR_LESS 15 -#define OPERATOR_GREATER 16 -#define OPERATOR_LESSEQUAL 17 -#define OPERATOR_GREATEREQUAL 18 -/*#define OPERATOR_LSHIFT 19*/ -/*#define OPERATOR_RSHIFT 20*/ -#define OPERATOR_MULTIPLY 21 -#define OPERATOR_DIVIDE 22 -/*#define OPERATOR_MODULUS 23*/ -#define OPERATOR_INCREMENT 24 -#define OPERATOR_DECREMENT 25 -#define OPERATOR_PLUS 26 -#define OPERATOR_MINUS 27 -/*#define OPERATOR_COMPLEMENT 28*/ -#define OPERATOR_NOT 29 - -/* init declarator list */ -#define DECLARATOR_NONE 0 -#define DECLARATOR_NEXT 1 - -/* variable declaration */ -#define VARIABLE_NONE 0 -#define VARIABLE_IDENTIFIER 1 -#define VARIABLE_INITIALIZER 2 -#define VARIABLE_ARRAY_EXPLICIT 3 -#define VARIABLE_ARRAY_UNKNOWN 4 - -/* type qualifier */ -#define TYPE_QUALIFIER_NONE 0 -#define TYPE_QUALIFIER_CONST 1 -#define TYPE_QUALIFIER_ATTRIBUTE 2 -#define TYPE_QUALIFIER_VARYING 3 -#define TYPE_QUALIFIER_UNIFORM 4 -#define TYPE_QUALIFIER_FIXEDOUTPUT 5 -#define TYPE_QUALIFIER_FIXEDINPUT 6 - -/* invariant qualifier */ -#define TYPE_VARIANT 90 -#define TYPE_INVARIANT 91 - -/* centroid qualifier */ -#define TYPE_CENTER 95 -#define TYPE_CENTROID 96 - -/* layout qualifiers */ -#define LAYOUT_QUALIFIER_NONE 0 -#define LAYOUT_QUALIFIER_UPPER_LEFT 1 -#define LAYOUT_QUALIFIER_PIXEL_CENTER_INTEGER 2 - -/* type specifier */ -#define TYPE_SPECIFIER_VOID 0 -#define TYPE_SPECIFIER_BOOL 1 -#define TYPE_SPECIFIER_BVEC2 2 -#define TYPE_SPECIFIER_BVEC3 3 -#define TYPE_SPECIFIER_BVEC4 4 -#define TYPE_SPECIFIER_INT 5 -#define TYPE_SPECIFIER_IVEC2 6 -#define TYPE_SPECIFIER_IVEC3 7 -#define TYPE_SPECIFIER_IVEC4 8 -#define TYPE_SPECIFIER_FLOAT 9 -#define TYPE_SPECIFIER_VEC2 10 -#define TYPE_SPECIFIER_VEC3 11 -#define TYPE_SPECIFIER_VEC4 12 -#define TYPE_SPECIFIER_MAT2 13 -#define TYPE_SPECIFIER_MAT3 14 -#define TYPE_SPECIFIER_MAT4 15 -#define TYPE_SPECIFIER_SAMPLER1D 16 -#define TYPE_SPECIFIER_SAMPLER2D 17 -#define TYPE_SPECIFIER_SAMPLER3D 18 -#define TYPE_SPECIFIER_SAMPLERCUBE 19 -#define TYPE_SPECIFIER_SAMPLER1DSHADOW 20 -#define TYPE_SPECIFIER_SAMPLER2DSHADOW 21 -#define TYPE_SPECIFIER_SAMPLER2DRECT 22 -#define TYPE_SPECIFIER_SAMPLER2DRECTSHADOW 23 -#define TYPE_SPECIFIER_STRUCT 24 -#define TYPE_SPECIFIER_TYPENAME 25 - -/* OpenGL 2.1 */ -#define TYPE_SPECIFIER_MAT23 26 -#define TYPE_SPECIFIER_MAT32 27 -#define TYPE_SPECIFIER_MAT24 28 -#define TYPE_SPECIFIER_MAT42 29 -#define TYPE_SPECIFIER_MAT34 30 -#define TYPE_SPECIFIER_MAT43 31 - -/* GL_EXT_texture_array */ -#define TYPE_SPECIFIER_SAMPLER_1D_ARRAY 32 -#define TYPE_SPECIFIER_SAMPLER_2D_ARRAY 33 -#define TYPE_SPECIFIER_SAMPLER_1D_ARRAY_SHADOW 34 -#define TYPE_SPECIFIER_SAMPLER_2D_ARRAY_SHADOW 35 - -/* type specifier array */ -#define TYPE_SPECIFIER_NONARRAY 0 -#define TYPE_SPECIFIER_ARRAY 1 - -/* structure field */ -#define FIELD_NONE 0 -#define FIELD_NEXT 1 -#define FIELD_ARRAY 2 - -/* operation */ -#define OP_END 0 -#define OP_BLOCK_BEGIN_NO_NEW_SCOPE 1 -#define OP_BLOCK_BEGIN_NEW_SCOPE 2 -#define OP_DECLARE 3 -#define OP_ASM 4 -#define OP_BREAK 5 -#define OP_CONTINUE 6 -#define OP_DISCARD 7 -#define OP_RETURN 8 -#define OP_EXPRESSION 9 -#define OP_IF 10 -#define OP_WHILE 11 -#define OP_DO 12 -#define OP_FOR 13 -#define OP_PUSH_VOID 14 -#define OP_PUSH_BOOL 15 -#define OP_PUSH_INT 16 -#define OP_PUSH_FLOAT 17 -#define OP_PUSH_IDENTIFIER 18 -#define OP_SEQUENCE 19 -#define OP_ASSIGN 20 -#define OP_ADDASSIGN 21 -#define OP_SUBASSIGN 22 -#define OP_MULASSIGN 23 -#define OP_DIVASSIGN 24 -/*#define OP_MODASSIGN 25*/ -/*#define OP_LSHASSIGN 26*/ -/*#define OP_RSHASSIGN 27*/ -/*#define OP_ORASSIGN 28*/ -/*#define OP_XORASSIGN 29*/ -/*#define OP_ANDASSIGN 30*/ -#define OP_SELECT 31 -#define OP_LOGICALOR 32 -#define OP_LOGICALXOR 33 -#define OP_LOGICALAND 34 -/*#define OP_BITOR 35*/ -/*#define OP_BITXOR 36*/ -/*#define OP_BITAND 37*/ -#define OP_EQUAL 38 -#define OP_NOTEQUAL 39 -#define OP_LESS 40 -#define OP_GREATER 41 -#define OP_LESSEQUAL 42 -#define OP_GREATEREQUAL 43 -/*#define OP_LSHIFT 44*/ -/*#define OP_RSHIFT 45*/ -#define OP_ADD 46 -#define OP_SUBTRACT 47 -#define OP_MULTIPLY 48 -#define OP_DIVIDE 49 -/*#define OP_MODULUS 50*/ -#define OP_PREINCREMENT 51 -#define OP_PREDECREMENT 52 -#define OP_PLUS 53 -#define OP_MINUS 54 -/*#define OP_COMPLEMENT 55*/ -#define OP_NOT 56 -#define OP_SUBSCRIPT 57 -#define OP_CALL 58 -#define OP_FIELD 59 -#define OP_POSTINCREMENT 60 -#define OP_POSTDECREMENT 61 -#define OP_PRECISION 62 -#define OP_METHOD 63 - -/* parameter qualifier */ -#define PARAM_QUALIFIER_IN 0 -#define PARAM_QUALIFIER_OUT 1 -#define PARAM_QUALIFIER_INOUT 2 -#define PARAM_QUALIFIER_NONE 3 - -/* function parameter */ -#define PARAMETER_NONE 0 -#define PARAMETER_NEXT 1 - -/* function parameter array presence */ -#define PARAMETER_ARRAY_NOT_PRESENT 0 -#define PARAMETER_ARRAY_PRESENT 1 - - -struct parse_dict { - int _void; - int _float; - int _int; - int _bool; - int vec2; - int vec3; - int vec4; - int bvec2; - int bvec3; - int bvec4; - int ivec2; - int ivec3; - int ivec4; - int mat2; - int mat3; - int mat4; - int mat2x3; - int mat3x2; - int mat2x4; - int mat4x2; - int mat3x4; - int mat4x3; - int sampler1D; - int sampler2D; - int sampler3D; - int samplerCube; - int sampler1DShadow; - int sampler2DShadow; - int sampler2DRect; - int sampler2DRectShadow; - int sampler1DArray; - int sampler2DArray; - int sampler1DArrayShadow; - int sampler2DArrayShadow; - - int invariant; - - int centroid; - - int precision; - int lowp; - int mediump; - int highp; - - int _const; - int attribute; - int varying; - int uniform; - int __fixed_output; - int __fixed_input; - - int in; - int out; - int inout; - - int layout; - int origin_upper_left; - int pixel_center_integer; - - int _struct; - - int __constructor; - int __operator; - int ___asm; - - int _if; - int _else; - int _for; - int _while; - int _do; - - int _continue; - int _break; - int _return; - int discard; - - int _false; - int _true; - - int all; - int _GL_ARB_fragment_coord_conventions; - int _GL_ARB_texture_rectangle; -}; - - -struct parse_context { - struct sl_pp_context *context; - - struct parse_dict dict; - - struct sl_pp_token_info *tokens; - unsigned int tokens_read; - unsigned int tokens_cap; - - unsigned char *out_buf; - unsigned int out_cap; - - unsigned int shader_type; - unsigned int parsing_builtin; - - unsigned int fragment_coord_conventions:1; - unsigned int texture_rectangle:1; - - char error[256]; - int process_error; -}; - - -struct parse_state { - unsigned int in; - unsigned int out; -}; - - -static unsigned int -_emit(struct parse_context *ctx, - unsigned int *out, - unsigned char b) -{ - if (*out == ctx->out_cap) { - ctx->out_cap += 4096; - ctx->out_buf = (unsigned char *)realloc(ctx->out_buf, ctx->out_cap * sizeof(unsigned char)); - } - ctx->out_buf[*out] = b; - return (*out)++; -} - - -static void -_update(struct parse_context *ctx, - unsigned int out, - unsigned char b) -{ - ctx->out_buf[out] = b; -} - - -static void -_error(struct parse_context *ctx, - const char *msg) -{ - if (ctx->error[0] == '\0') { - strncpy(ctx->error, msg, sizeof(ctx->error) - 1); - ctx->error[sizeof(ctx->error) - 1] = '\0'; - } -} - - -static const struct sl_pp_token_info * -_fetch_token(struct parse_context *ctx, - unsigned int pos) -{ - if (ctx->process_error) { - return NULL; - } - - while (pos >= ctx->tokens_read) { - if (ctx->tokens_read == ctx->tokens_cap) { - ctx->tokens_cap += 1024; - ctx->tokens = realloc(ctx->tokens, - ctx->tokens_cap * sizeof(struct sl_pp_token_info)); - if (!ctx->tokens) { - _error(ctx, "out of memory"); - ctx->process_error = 1; - return NULL; - } - } - if (sl_pp_process_get(ctx->context, &ctx->tokens[ctx->tokens_read])) { - _error(ctx, sl_pp_context_error_message(ctx->context)); - ctx->process_error = 1; - return NULL; - } - switch (ctx->tokens[ctx->tokens_read].token) { - case SL_PP_COMMA: - case SL_PP_SEMICOLON: - case SL_PP_LBRACE: - case SL_PP_RBRACE: - case SL_PP_LPAREN: - case SL_PP_RPAREN: - case SL_PP_LBRACKET: - case SL_PP_RBRACKET: - case SL_PP_DOT: - case SL_PP_INCREMENT: - case SL_PP_ADDASSIGN: - case SL_PP_PLUS: - case SL_PP_DECREMENT: - case SL_PP_SUBASSIGN: - case SL_PP_MINUS: - case SL_PP_BITNOT: - case SL_PP_NOTEQUAL: - case SL_PP_NOT: - case SL_PP_MULASSIGN: - case SL_PP_STAR: - case SL_PP_DIVASSIGN: - case SL_PP_SLASH: - case SL_PP_MODASSIGN: - case SL_PP_MODULO: - case SL_PP_LSHIFTASSIGN: - case SL_PP_LSHIFT: - case SL_PP_LESSEQUAL: - case SL_PP_LESS: - case SL_PP_RSHIFTASSIGN: - case SL_PP_RSHIFT: - case SL_PP_GREATEREQUAL: - case SL_PP_GREATER: - case SL_PP_EQUAL: - case SL_PP_ASSIGN: - case SL_PP_AND: - case SL_PP_BITANDASSIGN: - case SL_PP_BITAND: - case SL_PP_XOR: - case SL_PP_BITXORASSIGN: - case SL_PP_BITXOR: - case SL_PP_OR: - case SL_PP_BITORASSIGN: - case SL_PP_BITOR: - case SL_PP_QUESTION: - case SL_PP_COLON: - case SL_PP_IDENTIFIER: - case SL_PP_UINT: - case SL_PP_FLOAT: - case SL_PP_EXTENSION_REQUIRE: - case SL_PP_EXTENSION_ENABLE: - case SL_PP_EXTENSION_WARN: - case SL_PP_EXTENSION_DISABLE: - case SL_PP_EOF: - ctx->tokens_read++; - break; - default: - ; /* no-op */ - } - } - return &ctx->tokens[pos]; -} - - -/** - * Try to parse/match a particular token. - * \return 0 for success, -1 for error. - */ -static int -_parse_token(struct parse_context *ctx, - enum sl_pp_token token, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - - if (input && input->token == token) { - ps->in++; - return 0; - } - return -1; -} - - -/** - * Try to parse an identifer. - * \return 0 for success, -1 for error - */ -static int -_parse_id(struct parse_context *ctx, - int id, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - - if (input && input->token == SL_PP_IDENTIFIER && input->data.identifier == id) { - ps->in++; - return 0; - } - return -1; -} - - -static int -_parse_identifier(struct parse_context *ctx, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - - if (input && input->token == SL_PP_IDENTIFIER) { - const char *cstr = sl_pp_context_cstr(ctx->context, input->data.identifier); - - do { - _emit(ctx, &ps->out, *cstr); - } while (*cstr++); - ps->in++; - return 0; - } - return -1; -} - - -static int -_parse_float(struct parse_context *ctx, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - - if (input && input->token == SL_PP_FLOAT) { - const char *cstr = sl_pp_context_cstr(ctx->context, input->data._float); - - _emit(ctx, &ps->out, 1); - do { - _emit(ctx, &ps->out, *cstr); - } while (*cstr++); - ps->in++; - return 0; - } - return -1; -} - - -static int -_parse_uint(struct parse_context *ctx, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - - if (input && input->token == SL_PP_UINT) { - const char *cstr = sl_pp_context_cstr(ctx->context, input->data._uint); - - _emit(ctx, &ps->out, 1); - do { - _emit(ctx, &ps->out, *cstr); - } while (*cstr++); - ps->in++; - return 0; - } - return -1; -} - - -/**************************************/ - - -static int -_parse_unary_expression(struct parse_context *ctx, - struct parse_state *ps); - -static int -_parse_conditional_expression(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_constant_expression(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_primary_expression(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_statement(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_type_specifier(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_declaration(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_statement_list(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_assignment_expression(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_precision(struct parse_context *ctx, - struct parse_state *ps); - - -static int -_parse_overriden_operator(struct parse_context *ctx, - struct parse_state *ps) -{ - unsigned int op; - - if (_parse_token(ctx, SL_PP_INCREMENT, ps) == 0) { - op = OPERATOR_INCREMENT; - } else if (_parse_token(ctx, SL_PP_ADDASSIGN, ps) == 0) { - op = OPERATOR_ADDASSIGN; - } else if (_parse_token(ctx, SL_PP_PLUS, ps) == 0) { - op = OPERATOR_PLUS; - } else if (_parse_token(ctx, SL_PP_DECREMENT, ps) == 0) { - op = OPERATOR_DECREMENT; - } else if (_parse_token(ctx, SL_PP_SUBASSIGN, ps) == 0) { - op = OPERATOR_SUBASSIGN; - } else if (_parse_token(ctx, SL_PP_MINUS, ps) == 0) { - op = OPERATOR_MINUS; - } else if (_parse_token(ctx, SL_PP_NOT, ps) == 0) { - op = OPERATOR_NOT; - } else if (_parse_token(ctx, SL_PP_MULASSIGN, ps) == 0) { - op = OPERATOR_MULASSIGN; - } else if (_parse_token(ctx, SL_PP_STAR, ps) == 0) { - op = OPERATOR_MULTIPLY; - } else if (_parse_token(ctx, SL_PP_DIVASSIGN, ps) == 0) { - op = OPERATOR_DIVASSIGN; - } else if (_parse_token(ctx, SL_PP_SLASH, ps) == 0) { - op = OPERATOR_DIVIDE; - } else if (_parse_token(ctx, SL_PP_LESSEQUAL, ps) == 0) { - op = OPERATOR_LESSEQUAL; - } else if (_parse_token(ctx, SL_PP_LESS, ps) == 0) { - op = OPERATOR_LESS; - } else if (_parse_token(ctx, SL_PP_GREATEREQUAL, ps) == 0) { - op = OPERATOR_GREATEREQUAL; - } else if (_parse_token(ctx, SL_PP_GREATER, ps) == 0) { - op = OPERATOR_GREATER; - } else if (_parse_token(ctx, SL_PP_XOR, ps) == 0) { - op = OPERATOR_LOGICALXOR; - } else { - return -1; - } - - _emit(ctx, &ps->out, op); - return 0; -} - - -static int -_parse_function_decl_identifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, 0); - - if (ctx->parsing_builtin && _parse_id(ctx, ctx->dict.__constructor, &p) == 0) { - _update(ctx, e, FUNCTION_CONSTRUCTOR); - *ps = p; - return 0; - } - - if (ctx->parsing_builtin && _parse_id(ctx, ctx->dict.__operator, &p) == 0) { - _update(ctx, e, FUNCTION_OPERATOR); - if (_parse_overriden_operator(ctx, &p) == 0) { - *ps = p; - return 0; - } - return -1; - } - - if (_parse_identifier(ctx, &p) == 0) { - _update(ctx, e, FUNCTION_ORDINARY); - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_invariant_qualifier(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_id(ctx, ctx->dict.invariant, ps)) { - return -1; - } - _emit(ctx, &ps->out, TYPE_INVARIANT); - return 0; -} - - -static int -_parse_centroid_qualifier(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_id(ctx, ctx->dict.centroid, ps)) { - return -1; - } - _emit(ctx, &ps->out, TYPE_CENTROID); - return 0; -} - - -static int -_parse_layout_qualifier(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_id(ctx, ctx->dict.layout, ps) == 0) { - if (!ctx->fragment_coord_conventions) { - _error(ctx, "GL_ARB_fragment_coord_conventions extension must be enabled " - "in order to use a layout qualifier"); - return -1; - } - - /* Layout qualifiers are only defined for fragment shaders, - * so do an early check. - */ - if (ctx->shader_type != 1) { - _error(ctx, "layout qualifiers are only valid for fragment shaders"); - return -1; - } - - /* start of a parenthesised list of layout qualifiers */ - - if (_parse_token(ctx, SL_PP_LPAREN, ps)) { - _error(ctx, "expected `('"); - return -1; - } - - /* parse comma-separated ID list */ - while (1) { - if (_parse_id(ctx, ctx->dict.origin_upper_left, ps) == 0) { - _emit(ctx, &ps->out, LAYOUT_QUALIFIER_UPPER_LEFT); - } - else if (_parse_id(ctx, ctx->dict.pixel_center_integer, ps) == 0) { - _emit(ctx, &ps->out, LAYOUT_QUALIFIER_PIXEL_CENTER_INTEGER); - } - else { - _error(ctx, "expected a layout qualifier name"); - return -1; - } - - if (_parse_token(ctx, SL_PP_RPAREN, ps) == 0) { - /* all done */ - break; - } - else if (_parse_token(ctx, SL_PP_COMMA, ps) == 0) { - /* another layout qualifier is coming */ - } - else { - _error(ctx, "expected `,' or `)'"); - return -1; - } - } - } - - return 0; -} - - -static int -_parse_storage_qualifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - const struct sl_pp_token_info *input = _fetch_token(ctx, p.in); - unsigned int e = _emit(ctx, &p.out, 0); - int id; - - if (!input || input->token != SL_PP_IDENTIFIER) { - return -1; - } - id = input->data.identifier; - - if (id == ctx->dict._const) { - _update(ctx, e, TYPE_QUALIFIER_CONST); - } else if (ctx->shader_type == 2 && id == ctx->dict.attribute) { - _update(ctx, e, TYPE_QUALIFIER_ATTRIBUTE); - } else if (id == ctx->dict.varying) { - _update(ctx, e, TYPE_QUALIFIER_VARYING); - } else if (id == ctx->dict.uniform) { - _update(ctx, e, TYPE_QUALIFIER_UNIFORM); - } else if (ctx->parsing_builtin && id == ctx->dict.__fixed_output) { - _update(ctx, e, TYPE_QUALIFIER_FIXEDOUTPUT); - } else if (ctx->parsing_builtin && id == ctx->dict.__fixed_input) { - _update(ctx, e, TYPE_QUALIFIER_FIXEDINPUT); - } else { - return -1; - } - _parse_token(ctx, SL_PP_IDENTIFIER, &p); - *ps = p; - return 0; -} - -static int -_parse_struct_declarator(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e; - - if (_parse_identifier(ctx, &p)) { - return -1; - } - e = _emit(ctx, &p.out, FIELD_NONE); - *ps = p; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p)) { - return 0; - } - if (_parse_constant_expression(ctx, &p)) { - _error(ctx, "expected constant integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - _update(ctx, e, FIELD_ARRAY); - *ps = p; - return 0; -} - - -static int -_parse_struct_declarator_list(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_struct_declarator(ctx, &p)) { - return -1; - } - - for (;;) { - *ps = p; - _emit(ctx, &p.out, FIELD_NEXT); - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - return 0; - } - if (_parse_struct_declarator(ctx, &p)) { - return 0; - } - } -} - - -static int -_parse_struct_declaration(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_type_specifier(ctx, &p)) { - return -1; - } - if (_parse_struct_declarator_list(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - _emit(ctx, &p.out, FIELD_NONE); - *ps = p; - return 0; -} - - -static int -_parse_struct_declaration_list(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_struct_declaration(ctx, &p)) { - return -1; - } - - for (;;) { - *ps = p; - _emit(ctx, &p.out, FIELD_NEXT); - if (_parse_struct_declaration(ctx, &p)) { - return 0; - } - } -} - - -static int -_parse_struct_specifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_id(ctx, ctx->dict._struct, &p)) { - return -1; - } - if (_parse_identifier(ctx, &p)) { - _emit(ctx, &p.out, '\0'); - } - if (_parse_token(ctx, SL_PP_LBRACE, &p)) { - _error(ctx, "expected `{'"); - return -1; - } - if (_parse_struct_declaration_list(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACE, &p)) { - return -1; - } - _emit(ctx, &p.out, FIELD_NONE); - *ps = p; - return 0; -} - - -static int -_parse_type_specifier_nonarray(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, 0); - const struct sl_pp_token_info *input; - int id; - - if (_parse_struct_specifier(ctx, &p) == 0) { - _update(ctx, e, TYPE_SPECIFIER_STRUCT); - *ps = p; - return 0; - } - - input = _fetch_token(ctx, p.in); - if (!input || input->token != SL_PP_IDENTIFIER) { - return -1; - } - id = input->data.identifier; - - if (id == ctx->dict._void) { - _update(ctx, e, TYPE_SPECIFIER_VOID); - } else if (id == ctx->dict._float) { - _update(ctx, e, TYPE_SPECIFIER_FLOAT); - } else if (id == ctx->dict._int) { - _update(ctx, e, TYPE_SPECIFIER_INT); - } else if (id == ctx->dict._bool) { - _update(ctx, e, TYPE_SPECIFIER_BOOL); - } else if (id == ctx->dict.vec2) { - _update(ctx, e, TYPE_SPECIFIER_VEC2); - } else if (id == ctx->dict.vec3) { - _update(ctx, e, TYPE_SPECIFIER_VEC3); - } else if (id == ctx->dict.vec4) { - _update(ctx, e, TYPE_SPECIFIER_VEC4); - } else if (id == ctx->dict.bvec2) { - _update(ctx, e, TYPE_SPECIFIER_BVEC2); - } else if (id == ctx->dict.bvec3) { - _update(ctx, e, TYPE_SPECIFIER_BVEC3); - } else if (id == ctx->dict.bvec4) { - _update(ctx, e, TYPE_SPECIFIER_BVEC4); - } else if (id == ctx->dict.ivec2) { - _update(ctx, e, TYPE_SPECIFIER_IVEC2); - } else if (id == ctx->dict.ivec3) { - _update(ctx, e, TYPE_SPECIFIER_IVEC3); - } else if (id == ctx->dict.ivec4) { - _update(ctx, e, TYPE_SPECIFIER_IVEC4); - } else if (id == ctx->dict.mat2) { - _update(ctx, e, TYPE_SPECIFIER_MAT2); - } else if (id == ctx->dict.mat3) { - _update(ctx, e, TYPE_SPECIFIER_MAT3); - } else if (id == ctx->dict.mat4) { - _update(ctx, e, TYPE_SPECIFIER_MAT4); - } else if (id == ctx->dict.mat2x3) { - _update(ctx, e, TYPE_SPECIFIER_MAT23); - } else if (id == ctx->dict.mat3x2) { - _update(ctx, e, TYPE_SPECIFIER_MAT32); - } else if (id == ctx->dict.mat2x4) { - _update(ctx, e, TYPE_SPECIFIER_MAT24); - } else if (id == ctx->dict.mat4x2) { - _update(ctx, e, TYPE_SPECIFIER_MAT42); - } else if (id == ctx->dict.mat3x4) { - _update(ctx, e, TYPE_SPECIFIER_MAT34); - } else if (id == ctx->dict.mat4x3) { - _update(ctx, e, TYPE_SPECIFIER_MAT43); - } else if (id == ctx->dict.sampler1D) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER1D); - } else if (id == ctx->dict.sampler2D) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER2D); - } else if (id == ctx->dict.sampler3D) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER3D); - } else if (id == ctx->dict.samplerCube) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLERCUBE); - } else if (id == ctx->dict.sampler1DShadow) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER1DSHADOW); - } else if (id == ctx->dict.sampler2DShadow) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER2DSHADOW); - } else if (id == ctx->dict.sampler2DRect) { - if (!ctx->texture_rectangle) { - _error(ctx, "GL_ARB_texture_rectangle extension must be enabled " - "in order to use a rect sampler"); - return -1; - } - _update(ctx, e, TYPE_SPECIFIER_SAMPLER2DRECT); - } else if (id == ctx->dict.sampler2DRectShadow) { - if (!ctx->texture_rectangle) { - _error(ctx, "GL_ARB_texture_rectangle extension must be enabled " - "in order to use a rect sampler"); - return -1; - } - _update(ctx, e, TYPE_SPECIFIER_SAMPLER2DRECTSHADOW); - } else if (id == ctx->dict.sampler1DArray) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER_1D_ARRAY); - } else if (id == ctx->dict.sampler2DArray) { - /* XXX check for GL_EXT_texture_array */ - _update(ctx, e, TYPE_SPECIFIER_SAMPLER_2D_ARRAY); - } else if (id == ctx->dict.sampler1DArrayShadow) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER_1D_ARRAY_SHADOW); - } else if (id == ctx->dict.sampler2DArrayShadow) { - _update(ctx, e, TYPE_SPECIFIER_SAMPLER_2D_ARRAY_SHADOW); - } else if (_parse_identifier(ctx, &p) == 0) { - _update(ctx, e, TYPE_SPECIFIER_TYPENAME); - *ps = p; - return 0; - } else { - return -1; - } - - _parse_token(ctx, SL_PP_IDENTIFIER, &p); - *ps = p; - return 0; -} - - -static int -_parse_type_specifier_array(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p)) { - return -1; - } - if (_parse_constant_expression(ctx, &p)) { - _error(ctx, "expected constant integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_type_specifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e; - - if (_parse_type_specifier_nonarray(ctx, &p)) { - return -1; - } - - e = _emit(ctx, &p.out, TYPE_SPECIFIER_ARRAY); - if (_parse_type_specifier_array(ctx, &p)) { - _update(ctx, e, TYPE_SPECIFIER_NONARRAY); - } - *ps = p; - return 0; -} - -static int -_parse_parameter_qualifier(struct parse_context *ctx, - struct parse_state *ps) -{ - unsigned int e = _emit(ctx, &ps->out, PARAM_QUALIFIER_NONE); - - if (_parse_id(ctx, ctx->dict.in, ps) == 0) { - _update(ctx, e, PARAM_QUALIFIER_IN); - } else if (_parse_id(ctx, ctx->dict.out, ps) == 0) { - _update(ctx, e, PARAM_QUALIFIER_OUT); - } else if (_parse_id(ctx, ctx->dict.inout, ps) == 0) { - _update(ctx, e, PARAM_QUALIFIER_INOUT); - } - return 0; -} - -static int -_parse_fully_specified_type(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_layout_qualifier(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, LAYOUT_QUALIFIER_NONE); - - if (_parse_invariant_qualifier(ctx, &p)) { - _emit(ctx, &p.out, TYPE_VARIANT); - } - - if (_parse_centroid_qualifier(ctx, &p)) { - _emit(ctx, &p.out, TYPE_CENTER); - } - if (_parse_storage_qualifier(ctx, &p)) { - _emit(ctx, &p.out, TYPE_QUALIFIER_NONE); - } - _parse_parameter_qualifier(ctx, &p); - if (_parse_precision(ctx, &p)) { - _emit(ctx, &p.out, PRECISION_DEFAULT); - } - if (_parse_type_specifier(ctx, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_function_header(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_fully_specified_type(ctx, &p)) { - return -1; - } - if (_parse_function_decl_identifier(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_function_identifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - unsigned int e; - - if (_parse_identifier(ctx, ps)) { - return -1; - } - e = _emit(ctx, &ps->out, FUNCTION_CALL_NONARRAY); - - p = *ps; - if (_parse_token(ctx, SL_PP_LBRACKET, &p)) { - return 0; - } - if (_parse_constant_expression(ctx, &p)) { - _error(ctx, "expected constant integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - _update(ctx, e, FUNCTION_CALL_ARRAY); - *ps = p; - return 0; -} - - -static int -_parse_function_call_header(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_identifier(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_assign_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int op; - - if (_parse_unary_expression(ctx, &p)) { - return -1; - } - - if (_parse_token(ctx, SL_PP_ASSIGN, &p) == 0) { - op = OP_ASSIGN; - } else if (_parse_token(ctx, SL_PP_MULASSIGN, &p) == 0) { - op = OP_MULASSIGN; - } else if (_parse_token(ctx, SL_PP_DIVASSIGN, &p) == 0) { - op = OP_DIVASSIGN; - } else if (_parse_token(ctx, SL_PP_ADDASSIGN, &p) == 0) { - op = OP_ADDASSIGN; - } else if (_parse_token(ctx, SL_PP_SUBASSIGN, &p) == 0) { - op = OP_SUBASSIGN; - } else { - return -1; - } - - if (_parse_assignment_expression(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, op); - - *ps = p; - return 0; -} - - -static int -_parse_assignment_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_assign_expression(ctx, ps) == 0) { - return 0; - } - - if (_parse_conditional_expression(ctx, ps) == 0) { - return 0; - } - - return -1; -} - - -static int -_parse_function_call_header_with_parameters(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_call_header(ctx, &p)) { - return -1; - } - if (_parse_assignment_expression(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - return 0; - } - if (_parse_assignment_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_END); - } -} - - -static int -_parse_function_call_header_no_parameters(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_function_call_header(ctx, ps)) { - return -1; - } - _parse_id(ctx, ctx->dict._void, ps); - return 0; -} - - -static int -_parse_function_call_generic(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_call_header_with_parameters(ctx, &p) == 0) { - if (_parse_token(ctx, SL_PP_RPAREN, &p) == 0) { - *ps = p; - return 0; - } - _error(ctx, "expected `)'"); - return -1; - } - - p = *ps; - if (_parse_function_call_header_no_parameters(ctx, &p) == 0) { - if (_parse_token(ctx, SL_PP_RPAREN, &p) == 0) { - *ps = p; - return 0; - } - _error(ctx, "expected `)'"); - return -1; - } - - return -1; -} - - -static int -_parse_method_call(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_METHOD); - if (_parse_identifier(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_DOT, &p)) { - return -1; - } - if (_parse_function_call_generic(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_regular_function_call(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_CALL); - if (_parse_function_call_generic(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_function_call(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_regular_function_call(ctx, ps) == 0) { - return 0; - } - - if (_parse_method_call(ctx, ps) == 0) { - return 0; - } - - return -1; -} - - -static int -_parse_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_assignment_expression(ctx, &p)) { - return -1; - } - - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - return 0; - } - if (_parse_assignment_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_SEQUENCE); - } -} - - -static int -_parse_postfix_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - - if (_parse_function_call(ctx, ps)) { - if (_parse_primary_expression(ctx, ps)) { - return -1; - } - } - - for (p = *ps;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_INCREMENT, &p) == 0) { - _emit(ctx, &p.out, OP_POSTINCREMENT); - } else if (_parse_token(ctx, SL_PP_DECREMENT, &p) == 0) { - _emit(ctx, &p.out, OP_POSTDECREMENT); - } else if (_parse_token(ctx, SL_PP_LBRACKET, &p) == 0) { - if (_parse_expression(ctx, &p)) { - _error(ctx, "expected an integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - _emit(ctx, &p.out, OP_SUBSCRIPT); - } else if (_parse_token(ctx, SL_PP_DOT, &p) == 0) { - _emit(ctx, &p.out, OP_FIELD); - if (_parse_identifier(ctx, &p)) { - return 0; - } - } else { - return 0; - } - } -} - - -static int -_parse_unary_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - unsigned int op; - - if (_parse_postfix_expression(ctx, ps) == 0) { - return 0; - } - - p = *ps; - if (_parse_token(ctx, SL_PP_INCREMENT, &p) == 0) { - op = OP_PREINCREMENT; - } else if (_parse_token(ctx, SL_PP_DECREMENT, &p) == 0) { - op = OP_PREDECREMENT; - } else if (_parse_token(ctx, SL_PP_PLUS, &p) == 0) { - op = OP_PLUS; - } else if (_parse_token(ctx, SL_PP_MINUS, &p) == 0) { - op = OP_MINUS; - } else if (_parse_token(ctx, SL_PP_NOT, &p) == 0) { - op = OP_NOT; - } else { - return -1; - } - - if (_parse_unary_expression(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, op); - *ps = p; - return 0; -} - - -static int -_parse_multiplicative_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_unary_expression(ctx, &p)) { - return -1; - } - for (;;) { - unsigned int op; - - *ps = p; - if (_parse_token(ctx, SL_PP_STAR, &p) == 0) { - op = OP_MULTIPLY; - } else if (_parse_token(ctx, SL_PP_SLASH, &p) == 0) { - op = OP_DIVIDE; - } else { - return 0; - } - if (_parse_unary_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, op); - } -} - - -static int -_parse_additive_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_multiplicative_expression(ctx, &p)) { - return -1; - } - for (;;) { - unsigned int op; - - *ps = p; - if (_parse_token(ctx, SL_PP_PLUS, &p) == 0) { - op = OP_ADD; - } else if (_parse_token(ctx, SL_PP_MINUS, &p) == 0) { - op = OP_SUBTRACT; - } else { - return 0; - } - if (_parse_multiplicative_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, op); - } -} - - -static int -_parse_relational_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_additive_expression(ctx, &p)) { - return -1; - } - for (;;) { - unsigned int op; - - *ps = p; - if (_parse_token(ctx, SL_PP_LESS, &p) == 0) { - op = OP_LESS; - } else if (_parse_token(ctx, SL_PP_GREATER, &p) == 0) { - op = OP_GREATER; - } else if (_parse_token(ctx, SL_PP_LESSEQUAL, &p) == 0) { - op = OP_LESSEQUAL; - } else if (_parse_token(ctx, SL_PP_GREATEREQUAL, &p) == 0) { - op = OP_GREATEREQUAL; - } else { - return 0; - } - if (_parse_additive_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, op); - } -} - - -static int -_parse_equality_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_relational_expression(ctx, &p)) { - return -1; - } - for (;;) { - unsigned int op; - - *ps = p; - if (_parse_token(ctx, SL_PP_EQUAL, &p) == 0) { - op = OP_EQUAL; - } else if (_parse_token(ctx, SL_PP_NOTEQUAL, &p) == 0) { - op = OP_NOTEQUAL; - } else { - return 0; - } - if (_parse_relational_expression(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, op); - } -} - - -static int -_parse_logical_and_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_equality_expression(ctx, &p)) { - return -1; - } - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_AND, &p)) { - return 0; - } - if (_parse_equality_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_LOGICALAND); - } -} - - -static int -_parse_logical_xor_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_logical_and_expression(ctx, &p)) { - return -1; - } - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_XOR, &p)) { - return 0; - } - if (_parse_logical_and_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_LOGICALXOR); - } -} - - -static int -_parse_logical_or_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_logical_xor_expression(ctx, &p)) { - return -1; - } - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_OR, &p)) { - return 0; - } - if (_parse_logical_xor_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_LOGICALOR); - } -} - - -static int -_parse_conditional_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_logical_or_expression(ctx, &p)) { - return -1; - } - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_QUESTION, &p)) { - return 0; - } - if (_parse_expression(ctx, &p)) { - return 0; - } - if (_parse_token(ctx, SL_PP_COLON, &p)) { - return 0; - } - if (_parse_conditional_expression(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_SELECT); - } -} - - -static int -_parse_constant_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_conditional_expression(ctx, ps)) { - return -1; - } - _emit(ctx, &ps->out, OP_END); - return 0; -} - - -static int -_parse_parameter_declarator_array(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p)) { - return -1; - } - if (_parse_constant_expression(ctx, &p)) { - _error(ctx, "expected constant integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_parameter_declarator(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e; - - if (_parse_type_specifier(ctx, &p)) { - return -1; - } - if (_parse_identifier(ctx, &p)) { - return -1; - } - e = _emit(ctx, &p.out, PARAMETER_ARRAY_PRESENT); - if (_parse_parameter_declarator_array(ctx, &p)) { - _update(ctx, e, PARAMETER_ARRAY_NOT_PRESENT); - } - *ps = p; - return 0; -} - - -static int -_parse_parameter_type_specifier_array(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p)) { - return -1; - } - if (_parse_constant_expression(ctx, &p)) { - _error(ctx, "expected constant integral expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - _error(ctx, "expected `]'"); - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_parameter_type_specifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e; - - if (_parse_type_specifier(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, '\0'); - - e = _emit(ctx, &p.out, PARAMETER_ARRAY_PRESENT); - if (_parse_parameter_type_specifier_array(ctx, &p)) { - _update(ctx, e, PARAMETER_ARRAY_NOT_PRESENT); - } - *ps = p; - return 0; -} - - -static int -_parse_parameter_declaration(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, PARAMETER_NEXT); - - (void) e; - - if (_parse_storage_qualifier(ctx, &p)) { - _emit(ctx, &p.out, TYPE_QUALIFIER_NONE); - } - _parse_parameter_qualifier(ctx, &p); - if (_parse_precision(ctx, &p)) { - _emit(ctx, &p.out, PRECISION_DEFAULT); - } - if (_parse_parameter_declarator(ctx, &p) == 0) { - *ps = p; - return 0; - } - if (_parse_parameter_type_specifier(ctx, &p) == 0) { - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_function_header_with_parameters(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_header(ctx, &p)) { - return -1; - } - if (_parse_parameter_declaration(ctx, &p)) { - return -1; - } - - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - return 0; - } - if (_parse_parameter_declaration(ctx, &p)) { - return 0; - } - } -} - - -static int -_parse_function_declarator(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_function_header_with_parameters(ctx, ps) == 0) { - return 0; - } - - if (_parse_function_header(ctx, ps) == 0) { - return 0; - } - - return -1; -} - - -static int -_parse_function_prototype(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_header(ctx, &p) == 0) { - if (_parse_id(ctx, ctx->dict._void, &p) == 0) { - if (_parse_token(ctx, SL_PP_RPAREN, &p) == 0) { - _emit(ctx, &p.out, PARAMETER_NONE); - *ps = p; - return 0; - } - _error(ctx, "expected `)'"); - return -1; - } - } - - p = *ps; - if (_parse_function_declarator(ctx, &p) == 0) { - if (_parse_token(ctx, SL_PP_RPAREN, &p) == 0) { - _emit(ctx, &p.out, PARAMETER_NONE); - *ps = p; - return 0; - } - _error(ctx, "expected `)'"); - return -1; - } - - return -1; -} - - -static int -_parse_precision(struct parse_context *ctx, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - int id; - unsigned int precision; - - if (!input || input->token != SL_PP_IDENTIFIER) { - return -1; - } - id = input->data.identifier; - - if (id == ctx->dict.lowp) { - precision = PRECISION_LOW; - } else if (id == ctx->dict.mediump) { - precision = PRECISION_MEDIUM; - } else if (id == ctx->dict.highp) { - precision = PRECISION_HIGH; - } else { - return -1; - } - - _parse_token(ctx, SL_PP_IDENTIFIER, ps); - _emit(ctx, &ps->out, precision); - return 0; -} - - -static int -_parse_prectype(struct parse_context *ctx, - struct parse_state *ps) -{ - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - int id; - unsigned int type; - - if (!input || input->token != SL_PP_IDENTIFIER) { - return -1; - } - id = input->data.identifier; - - if (id == ctx->dict._int) { - type = TYPE_SPECIFIER_INT; - } else if (id == ctx->dict._float) { - type = TYPE_SPECIFIER_FLOAT; - } else if (id == ctx->dict.sampler1D) { - type = TYPE_SPECIFIER_SAMPLER1D; - } else if (id == ctx->dict.sampler2D) { - type = TYPE_SPECIFIER_SAMPLER2D; - } else if (id == ctx->dict.sampler3D) { - type = TYPE_SPECIFIER_SAMPLER3D; - } else if (id == ctx->dict.samplerCube) { - type = TYPE_SPECIFIER_SAMPLERCUBE; - } else if (id == ctx->dict.sampler1DShadow) { - type = TYPE_SPECIFIER_SAMPLER1DSHADOW; - } else if (id == ctx->dict.sampler2DShadow) { - type = TYPE_SPECIFIER_SAMPLER2DSHADOW; - } else if (id == ctx->dict.sampler2DRect) { - if (!ctx->texture_rectangle) { - _error(ctx, "GL_ARB_texture_rectangle extension must be enabled " - "in order to use a rect sampler"); - return -1; - } - type = TYPE_SPECIFIER_SAMPLER2DRECT; - } else if (id == ctx->dict.sampler2DRectShadow) { - if (!ctx->texture_rectangle) { - _error(ctx, "GL_ARB_texture_rectangle extension must be enabled " - "in order to use a rect sampler"); - return -1; - } - type = TYPE_SPECIFIER_SAMPLER2DRECTSHADOW; - } else if (id == ctx->dict.sampler1DArray) { - type = TYPE_SPECIFIER_SAMPLER_1D_ARRAY; - } else if (id == ctx->dict.sampler2DArray) { - type = TYPE_SPECIFIER_SAMPLER_2D_ARRAY; - } else if (id == ctx->dict.sampler1DArrayShadow) { - type = TYPE_SPECIFIER_SAMPLER_1D_ARRAY_SHADOW; - } else if (id == ctx->dict.sampler2DArrayShadow) { - type = TYPE_SPECIFIER_SAMPLER_2D_ARRAY_SHADOW; - } else { - return -1; - } - - _parse_token(ctx, SL_PP_IDENTIFIER, ps); - _emit(ctx, &ps->out, type); - return 0; -} - - -static int -_parse_precision_stmt(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_id(ctx, ctx->dict.precision, &p)) { - return -1; - } - if (_parse_precision(ctx, &p)) { - return -1; - } - if (_parse_prectype(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_floatconstant(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_PUSH_FLOAT); - if (_parse_float(ctx, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_intconstant(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_PUSH_INT); - if (_parse_uint(ctx, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_boolconstant(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_id(ctx, ctx->dict._false, ps) == 0) { - _emit(ctx, &ps->out, OP_PUSH_BOOL); - _emit(ctx, &ps->out, 2); /* radix */ - _emit(ctx, &ps->out, '0'); - _emit(ctx, &ps->out, '\0'); - return 0; - } - - if (_parse_id(ctx, ctx->dict._true, ps) == 0) { - _emit(ctx, &ps->out, OP_PUSH_BOOL); - _emit(ctx, &ps->out, 2); /* radix */ - _emit(ctx, &ps->out, '1'); - _emit(ctx, &ps->out, '\0'); - return 0; - } - - return -1; -} - - -static int -_parse_variable_identifier(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_PUSH_IDENTIFIER); - if (_parse_identifier(ctx, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_primary_expression(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - - if (_parse_floatconstant(ctx, ps) == 0) { - return 0; - } - if (_parse_boolconstant(ctx, ps) == 0) { - return 0; - } - if (_parse_intconstant(ctx, ps) == 0) { - return 0; - } - if (_parse_variable_identifier(ctx, ps) == 0) { - return 0; - } - - p = *ps; - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - return -1; - } - if (_parse_expression(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_RPAREN, &p)) { - return -1; - } - - *ps = p; - return 0; -} - - -static int -_parse_asm_argument(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_variable_identifier(ctx, ps) == 0) { - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_DOT, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_FIELD); - if (_parse_identifier(ctx, &p)) { - return 0; - } - *ps = p; - return 0; - } - - if (_parse_floatconstant(ctx, ps) == 0) { - return 0; - } - - return -1; -} - - -static int -_parse_asm_arguments(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_asm_argument(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - - for (;;) { - *ps = p; - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - return 0; - } - if (_parse_asm_argument(ctx, &p)) { - return 0; - } - _emit(ctx, &p.out, OP_END); - } -} - - -static int -_parse_asm_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_id(ctx, ctx->dict.___asm, &p)) { - return -1; - } - if (_parse_identifier(ctx, &p)) { - return -1; - } - /* optional arguments */ - _parse_asm_arguments(ctx, &p); - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_selection_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_IF); - if (_parse_id(ctx, ctx->dict._if, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - _error(ctx, "expected `('"); - return -1; - } - if (_parse_expression(ctx, &p)) { - _error(ctx, "expected an expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RPAREN, &p)) { - _error(ctx, "expected `)'"); - return -1; - } - _emit(ctx, &p.out, OP_END); - if (_parse_statement(ctx, &p)) { - return -1; - } - - *ps = p; - if (_parse_id(ctx, ctx->dict._else, &p) == 0) { - if (_parse_statement(ctx, &p) == 0) { - *ps = p; - return 0; - } - } - - _emit(ctx, &ps->out, OP_EXPRESSION); - _emit(ctx, &ps->out, OP_PUSH_VOID); - _emit(ctx, &ps->out, OP_END); - return 0; -} - - -static int -_parse_expression_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_expression(ctx, &p)) { - _emit(ctx, &p.out, OP_PUSH_VOID); - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_for_init_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, OP_EXPRESSION); - - if (_parse_expression_statement(ctx, &p) == 0) { - *ps = p; - return 0; - } - - if (_parse_declaration(ctx, &p) == 0) { - _update(ctx, e, OP_DECLARE); - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_initializer(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_assignment_expression(ctx, ps) == 0) { - _emit(ctx, &ps->out, OP_END); - return 0; - } - return -1; -} - - -static int -_parse_condition_initializer(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - _emit(ctx, &p.out, OP_DECLARE); - _emit(ctx, &p.out, DECLARATION_INIT_DECLARATOR_LIST); - if (_parse_fully_specified_type(ctx, &p)) { - return -1; - } - _emit(ctx, &p.out, VARIABLE_IDENTIFIER); - if (_parse_identifier(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_ASSIGN, &p)) { - _error(ctx, "expected `='"); - return -1; - } - _emit(ctx, &p.out, VARIABLE_INITIALIZER); - if (_parse_initializer(ctx, &p)) { - _error(ctx, "expected an initialiser"); - return -1; - } - _emit(ctx, &p.out, DECLARATOR_NONE); - *ps = p; - return 0; -} - - -static int -_parse_condition(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - - if (_parse_condition_initializer(ctx, ps) == 0) { - return 0; - } - - p = *ps; - _emit(ctx, &p.out, OP_EXPRESSION); - if (_parse_expression(ctx, &p) == 0) { - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_for_rest_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_condition(ctx, &p)) { - _emit(ctx, &p.out, OP_EXPRESSION); - _emit(ctx, &p.out, OP_PUSH_BOOL); - _emit(ctx, &p.out, 2); - _emit(ctx, &p.out, '1'); - _emit(ctx, &p.out, '\0'); - _emit(ctx, &p.out, OP_END); - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - if (_parse_expression(ctx, &p)) { - _emit(ctx, &p.out, OP_PUSH_VOID); - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_iteration_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_id(ctx, ctx->dict._while, &p) == 0) { - _emit(ctx, &p.out, OP_WHILE); - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - _error(ctx, "expected `('"); - return -1; - } - if (_parse_condition(ctx, &p)) { - _error(ctx, "expected an expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RPAREN, &p)) { - _error(ctx, "expected `)'"); - return -1; - } - if (_parse_statement(ctx, &p)) { - return -1; - } - *ps = p; - return 0; - } - - if (_parse_id(ctx, ctx->dict._do, &p) == 0) { - _emit(ctx, &p.out, OP_DO); - if (_parse_statement(ctx, &p)) { - return -1; - } - if (_parse_id(ctx, ctx->dict._while, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - _error(ctx, "expected `('"); - return -1; - } - if (_parse_expression(ctx, &p)) { - _error(ctx, "expected an expression"); - return -1; - } - if (_parse_token(ctx, SL_PP_RPAREN, &p)) { - _error(ctx, "expected `)'"); - return -1; - } - _emit(ctx, &p.out, OP_END); - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - _error(ctx, "expected `;'"); - return -1; - } - *ps = p; - return 0; - } - - if (_parse_id(ctx, ctx->dict._for, &p) == 0) { - _emit(ctx, &p.out, OP_FOR); - if (_parse_token(ctx, SL_PP_LPAREN, &p)) { - _error(ctx, "expected `('"); - return -1; - } - if (_parse_for_init_statement(ctx, &p)) { - return -1; - } - if (_parse_for_rest_statement(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_RPAREN, &p)) { - _error(ctx, "expected `)'"); - return -1; - } - if (_parse_statement(ctx, &p)) { - return -1; - } - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_jump_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, 0); - - if (_parse_id(ctx, ctx->dict._continue, &p) == 0) { - _update(ctx, e, OP_CONTINUE); - } else if (_parse_id(ctx, ctx->dict._break, &p) == 0) { - _update(ctx, e, OP_BREAK); - } else if (_parse_id(ctx, ctx->dict._return, &p) == 0) { - _update(ctx, e, OP_RETURN); - if (_parse_expression(ctx, &p)) { - _emit(ctx, &p.out, OP_PUSH_VOID); - } - _emit(ctx, &p.out, OP_END); - } else if (ctx->shader_type == 1 && _parse_id(ctx, ctx->dict.discard, &p) == 0) { - _update(ctx, e, OP_DISCARD); - } else { - return -1; - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_simple_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p; - unsigned int e; - - if (_parse_selection_statement(ctx, ps) == 0) { - return 0; - } - - if (_parse_iteration_statement(ctx, ps) == 0) { - return 0; - } - - if (_parse_jump_statement(ctx, ps) == 0) { - return 0; - } - - p = *ps; - e = _emit(ctx, &p.out, OP_EXPRESSION); - if (_parse_expression_statement(ctx, &p) == 0) { - *ps = p; - return 0; - } - - if (_parse_precision_stmt(ctx, &p) == 0) { - _update(ctx, e, OP_PRECISION); - *ps = p; - return 0; - } - - if (ctx->parsing_builtin && _parse_asm_statement(ctx, &p) == 0) { - _update(ctx, e, OP_ASM); - *ps = p; - return 0; - } - - if (_parse_declaration(ctx, &p) == 0) { - _update(ctx, e, OP_DECLARE); - *ps = p; - return 0; - } - - return -1; -} - - -static int -_parse_compound_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACE, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_BLOCK_BEGIN_NEW_SCOPE); - _parse_statement_list(ctx, &p); - if (_parse_token(ctx, SL_PP_RBRACE, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_statement(struct parse_context *ctx, - struct parse_state *ps) -{ - if (_parse_compound_statement(ctx, ps) == 0) { - return 0; - } - - if (_parse_simple_statement(ctx, ps) == 0) { - return 0; - } - - return -1; -} - - -static int -_parse_statement_list(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_statement(ctx, &p)) { - return -1; - } - - for (;;) { - *ps = p; - if (_parse_statement(ctx, &p)) { - return 0; - } - } -} - - -static int -_parse_compound_statement_no_new_scope(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACE, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_BLOCK_BEGIN_NO_NEW_SCOPE); - _parse_statement_list(ctx, &p); - if (_parse_token(ctx, SL_PP_RBRACE, &p)) { - return -1; - } - _emit(ctx, &p.out, OP_END); - *ps = p; - return 0; -} - - -static int -_parse_function_definition(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_function_prototype(ctx, &p)) { - return -1; - } - if (_parse_compound_statement_no_new_scope(ctx, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_invariant_stmt(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_id(ctx, ctx->dict.invariant, &p)) { - return -1; - } - if (_parse_identifier(ctx, &p)) { - return -1; - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_single_declaration(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e; - - if (_parse_fully_specified_type(ctx, &p)) { - return -1; - } - - e = _emit(ctx, &p.out, VARIABLE_IDENTIFIER); - if (_parse_identifier(ctx, &p)) { - _update(ctx, e, VARIABLE_NONE); - *ps = p; - return 0; - } - - e = _emit(ctx, &p.out, VARIABLE_NONE); - *ps = p; - - if (_parse_token(ctx, SL_PP_ASSIGN, &p) == 0) { - _update(ctx, e, VARIABLE_INITIALIZER); - if (_parse_initializer(ctx, &p) == 0) { - *ps = p; - return 0; - } - _error(ctx, "expected an initialiser"); - return -1; - } - p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p) == 0) { - if (_parse_constant_expression(ctx, &p)) { - _update(ctx, e, VARIABLE_ARRAY_UNKNOWN); - } else { - _update(ctx, e, VARIABLE_ARRAY_EXPLICIT); - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p) == 0) { - *ps = p; - return 0; - } - _error(ctx, "expected `]'"); - return -1; - } - return 0; -} - - -static int -_parse_init_declarator_list(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - - if (_parse_single_declaration(ctx, &p)) { - return -1; - } - - for (;;) { - unsigned int e; - - *ps = p; - if (_parse_token(ctx, SL_PP_COMMA, &p)) { - break; - } - _emit(ctx, &p.out, DECLARATOR_NEXT); - _emit(ctx, &p.out, VARIABLE_IDENTIFIER); - if (_parse_identifier(ctx, &p)) { - break; - } - - e = _emit(ctx, &p.out, VARIABLE_NONE); - *ps = p; - - if (_parse_token(ctx, SL_PP_ASSIGN, &p) == 0) { - if (_parse_initializer(ctx, &p) == 0) { - _update(ctx, e, VARIABLE_INITIALIZER); - *ps = p; - continue; - } - _error(ctx, "expected an initialiser"); - break; - } - p = *ps; - - if (_parse_token(ctx, SL_PP_LBRACKET, &p) == 0) { - unsigned int arr; - - if (_parse_constant_expression(ctx, &p)) { - arr = VARIABLE_ARRAY_UNKNOWN; - } else { - arr = VARIABLE_ARRAY_EXPLICIT; - } - if (_parse_token(ctx, SL_PP_RBRACKET, &p) == 0) { - _update(ctx, e, arr); - *ps = p; - continue; - } - _error(ctx, "expected `]'"); - break; - } - p = *ps; - } - - _emit(ctx, &ps->out, DECLARATOR_NONE); - return 0; -} - - -static int -_parse_declaration(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, DECLARATION_FUNCTION_PROTOTYPE); - - if (_parse_function_prototype(ctx, &p)) { - if (_parse_init_declarator_list(ctx, &p)) { - return -1; - } - _update(ctx, e, DECLARATION_INIT_DECLARATOR_LIST); - } - if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { - _error(ctx, "expected `;'"); - return -1; - } - *ps = p; - return 0; -} - - -static int -_parse_external_declaration(struct parse_context *ctx, - struct parse_state *ps) -{ - struct parse_state p = *ps; - unsigned int e = _emit(ctx, &p.out, 0); - - if (_parse_precision_stmt(ctx, &p) == 0) { - _update(ctx, e, DEFAULT_PRECISION); - *ps = p; - return 0; - } - - if (_parse_function_definition(ctx, &p) == 0) { - _update(ctx, e, EXTERNAL_FUNCTION_DEFINITION); - *ps = p; - return 0; - } - - if (_parse_invariant_stmt(ctx, &p) == 0) { - _update(ctx, e, INVARIANT_STMT); - *ps = p; - return 0; - } - - if (_parse_declaration(ctx, &p) == 0) { - _update(ctx, e, EXTERNAL_DECLARATION); - *ps = p; - return 0; - } - - _error(ctx, "expected an identifier"); - return -1; -} - - -static int -_parse_extensions(struct parse_context *ctx, - struct parse_state *ps) -{ - for (;;) { - const struct sl_pp_token_info *input = _fetch_token(ctx, ps->in); - unsigned int enable; - - if (!input) { - return -1; - } - - switch (input->token) { - case SL_PP_EXTENSION_REQUIRE: - case SL_PP_EXTENSION_ENABLE: - case SL_PP_EXTENSION_WARN: - enable = 1; - break; - case SL_PP_EXTENSION_DISABLE: - enable = 0; - break; - default: - return 0; - } - - ps->in++; - if (input->data.extension == ctx->dict.all) { - ctx->fragment_coord_conventions = enable; - } - else if (input->data.extension == ctx->dict._GL_ARB_fragment_coord_conventions) { - ctx->fragment_coord_conventions = enable; - } - else if (input->data.extension == ctx->dict._GL_ARB_texture_rectangle) { - ctx->texture_rectangle = enable; - } - } -} - - -static int -_parse_translation_unit(struct parse_context *ctx, - struct parse_state *ps) -{ - _emit(ctx, &ps->out, REVISION); - if (_parse_extensions(ctx, ps)) { - return -1; - } - if (_parse_external_declaration(ctx, ps)) { - return -1; - } - for (;;) { - if (_parse_extensions(ctx, ps)) { - return -1; - } - if (_parse_external_declaration(ctx, ps)) { - break; - } - } - _emit(ctx, &ps->out, EXTERNAL_NULL); - if (_parse_token(ctx, SL_PP_EOF, ps)) { - return -1; - } - return 0; -} - - -#define ADD_NAME_STR(CTX, NAME, STR)\ - do {\ - (CTX).dict.NAME = sl_pp_context_add_unique_str((CTX).context, (STR));\ - if ((CTX).dict.NAME == -1) {\ - return -1;\ - }\ - } while (0) - -#define ADD_NAME(CTX, NAME) ADD_NAME_STR(CTX, NAME, #NAME) - - -int -sl_cl_compile(struct sl_pp_context *context, - unsigned int shader_type, - unsigned int parsing_builtin, - unsigned char **output, - unsigned int *cboutput, - char *error, - unsigned int cberror) -{ - struct parse_context ctx; - struct parse_state ps; - - ctx.context = context; - - ADD_NAME_STR(ctx, _void, "void"); - ADD_NAME_STR(ctx, _float, "float"); - ADD_NAME_STR(ctx, _int, "int"); - ADD_NAME_STR(ctx, _bool, "bool"); - ADD_NAME(ctx, vec2); - ADD_NAME(ctx, vec3); - ADD_NAME(ctx, vec4); - ADD_NAME(ctx, bvec2); - ADD_NAME(ctx, bvec3); - ADD_NAME(ctx, bvec4); - ADD_NAME(ctx, ivec2); - ADD_NAME(ctx, ivec3); - ADD_NAME(ctx, ivec4); - ADD_NAME(ctx, mat2); - ADD_NAME(ctx, mat3); - ADD_NAME(ctx, mat4); - ADD_NAME(ctx, mat2x3); - ADD_NAME(ctx, mat3x2); - ADD_NAME(ctx, mat2x4); - ADD_NAME(ctx, mat4x2); - ADD_NAME(ctx, mat3x4); - ADD_NAME(ctx, mat4x3); - ADD_NAME(ctx, sampler1D); - ADD_NAME(ctx, sampler2D); - ADD_NAME(ctx, sampler3D); - ADD_NAME(ctx, samplerCube); - ADD_NAME(ctx, sampler1DShadow); - ADD_NAME(ctx, sampler2DShadow); - ADD_NAME(ctx, sampler2DRect); - ADD_NAME(ctx, sampler2DRectShadow); - ADD_NAME(ctx, sampler1DArray); - ADD_NAME(ctx, sampler2DArray); - ADD_NAME(ctx, sampler1DArrayShadow); - ADD_NAME(ctx, sampler2DArrayShadow); - - ADD_NAME(ctx, invariant); - - ADD_NAME(ctx, centroid); - - ADD_NAME(ctx, precision); - ADD_NAME(ctx, lowp); - ADD_NAME(ctx, mediump); - ADD_NAME(ctx, highp); - - ADD_NAME_STR(ctx, _const, "const"); - ADD_NAME(ctx, attribute); - ADD_NAME(ctx, varying); - ADD_NAME(ctx, uniform); - ADD_NAME(ctx, __fixed_output); - ADD_NAME(ctx, __fixed_input); - - ADD_NAME(ctx, in); - ADD_NAME(ctx, out); - ADD_NAME(ctx, inout); - - ADD_NAME(ctx, layout); - ADD_NAME(ctx, origin_upper_left); - ADD_NAME(ctx, pixel_center_integer); - - ADD_NAME_STR(ctx, _struct, "struct"); - - ADD_NAME(ctx, __constructor); - ADD_NAME(ctx, __operator); - ADD_NAME_STR(ctx, ___asm, "__asm"); - - ADD_NAME_STR(ctx, _if, "if"); - ADD_NAME_STR(ctx, _else, "else"); - ADD_NAME_STR(ctx, _for, "for"); - ADD_NAME_STR(ctx, _while, "while"); - ADD_NAME_STR(ctx, _do, "do"); - - ADD_NAME_STR(ctx, _continue, "continue"); - ADD_NAME_STR(ctx, _break, "break"); - ADD_NAME_STR(ctx, _return, "return"); - ADD_NAME(ctx, discard); - - ADD_NAME_STR(ctx, _false, "false"); - ADD_NAME_STR(ctx, _true, "true"); - - ADD_NAME(ctx, all); - ADD_NAME_STR(ctx, _GL_ARB_fragment_coord_conventions, "GL_ARB_fragment_coord_conventions"); - ADD_NAME_STR(ctx, _GL_ARB_texture_rectangle, "GL_ARB_texture_rectangle"); - - ctx.out_buf = NULL; - ctx.out_cap = 0; - - ctx.shader_type = shader_type; - ctx.parsing_builtin = 1; - - ctx.fragment_coord_conventions = 0; - ctx.texture_rectangle = 1; - - ctx.error[0] = '\0'; - ctx.process_error = 0; - - ctx.tokens_cap = 1024; - ctx.tokens_read = 0; - ctx.tokens = malloc(ctx.tokens_cap * sizeof(struct sl_pp_token_info)); - if (!ctx.tokens) { - strncpy(error, "out of memory", cberror - 1); - error[cberror - 1] = '\0'; - return -1; - } - - ps.in = 0; - ps.out = 0; - - if (_parse_translation_unit(&ctx, &ps)) { - strncpy(error, ctx.error, cberror); - free(ctx.tokens); - return -1; - } - - *output = ctx.out_buf; - *cboutput = ps.out; - free(ctx.tokens); - return 0; -} diff --git a/src/glsl/cl/sl_cl_parse.h b/src/glsl/cl/sl_cl_parse.h deleted file mode 100644 index a954d439276..00000000000 --- a/src/glsl/cl/sl_cl_parse.h +++ /dev/null @@ -1,42 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_CL_PARSE_H -#define SL_CL_PARSE_H - -struct sl_pp_context; - -int -sl_cl_compile(struct sl_pp_context *context, - unsigned int shader_type, - unsigned int parsing_builtin, - unsigned char **output, - unsigned int *cboutput, - char *error, - unsigned int cberror); - -#endif /* SL_CL_PARSE_H */ diff --git a/src/glsl/pp/Makefile b/src/glsl/pp/Makefile deleted file mode 100644 index fda1c4202ba..00000000000 --- a/src/glsl/pp/Makefile +++ /dev/null @@ -1,27 +0,0 @@ -#src/glsl/pp/Makefile - -TOP = ../../.. - -include $(TOP)/configs/current - -LIBNAME = glslpp - -C_SOURCES = \ - sl_pp_context.c \ - sl_pp_define.c \ - sl_pp_dict.c \ - sl_pp_error.c \ - sl_pp_expression.c \ - sl_pp_extension.c \ - sl_pp_if.c \ - sl_pp_line.c \ - sl_pp_macro.c \ - sl_pp_pragma.c \ - sl_pp_process.c \ - sl_pp_purify.c \ - sl_pp_token.c \ - sl_pp_token_util.c \ - sl_pp_version.c - -include ../Makefile.template - diff --git a/src/glsl/pp/sl_pp_context.c b/src/glsl/pp/sl_pp_context.c deleted file mode 100644 index b8e1e99fc86..00000000000 --- a/src/glsl/pp/sl_pp_context.c +++ /dev/null @@ -1,183 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_macro.h" -#include "sl_pp_public.h" -#include "sl_pp_context.h" - - -struct sl_pp_context * -sl_pp_context_create(const char *input, - const struct sl_pp_purify_options *options) -{ - struct sl_pp_context *context; - - context = calloc(1, sizeof(struct sl_pp_context)); - if (!context) { - return NULL; - } - - if (sl_pp_dict_init(context)) { - sl_pp_context_destroy(context); - return NULL; - } - - context->getc_buf_capacity = 64; - context->getc_buf = malloc(context->getc_buf_capacity * sizeof(char)); - if (!context->getc_buf) { - sl_pp_context_destroy(context); - return NULL; - } - - if (sl_pp_token_buffer_init(&context->tokens, context)) { - sl_pp_context_destroy(context); - return NULL; - } - - context->macro_tail = &context->macro; - context->if_ptr = SL_PP_MAX_IF_NESTING; - context->if_value = 1; - memset(context->error_msg, 0, sizeof(context->error_msg)); - context->error_line = 1; - context->line = 1; - context->file = 0; - - sl_pp_purify_state_init(&context->pure, input, options); - - memset(&context->process_state, 0, sizeof(context->process_state)); - - return context; -} - -void -sl_pp_context_destroy(struct sl_pp_context *context) -{ - if (context) { - free(context->cstr_pool); - sl_pp_macro_free(context->macro); - free(context->getc_buf); - sl_pp_token_buffer_destroy(&context->tokens); - free(context->process_state.out); - free(context); - } -} - -const char * -sl_pp_context_error_message(const struct sl_pp_context *context) -{ - return context->error_msg; -} - -void -sl_pp_context_error_position(const struct sl_pp_context *context, - unsigned int *file, - unsigned int *line) -{ - if (file) { - *file = 0; - } - if (line) { - *line = context->error_line; - } -} - -int -sl_pp_context_add_predefined(struct sl_pp_context *context, - const char *name, - const char *value) -{ - struct sl_pp_predefined pre; - - if (context->num_predefined == SL_PP_MAX_PREDEFINED) { - return -1; - } - - pre.name = sl_pp_context_add_unique_str(context, name); - if (pre.name == -1) { - return -1; - } - - pre.value = sl_pp_context_add_unique_str(context, value); - if (pre.value == -1) { - return -1; - } - - context->predefined[context->num_predefined++] = pre; - return 0; -} - -int -sl_pp_context_add_unique_str(struct sl_pp_context *context, - const char *str) -{ - unsigned int size; - unsigned int offset = 0; - - size = strlen(str) + 1; - - /* Find out if this is a unique string. */ - while (offset < context->cstr_pool_len) { - const char *str2; - unsigned int size2; - - str2 = &context->cstr_pool[offset]; - size2 = strlen(str2) + 1; - if (size == size2 && !memcmp(str, str2, size - 1)) { - return offset; - } - - offset += size2; - } - - if (context->cstr_pool_len + size > context->cstr_pool_max) { - context->cstr_pool_max = (context->cstr_pool_len + size + 0xffff) & ~0xffff; - context->cstr_pool = realloc(context->cstr_pool, context->cstr_pool_max); - } - - if (!context->cstr_pool) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - offset = context->cstr_pool_len; - memcpy(&context->cstr_pool[offset], str, size); - context->cstr_pool_len += size; - - return offset; -} - -const char * -sl_pp_context_cstr(const struct sl_pp_context *context, - int offset) -{ - if (offset == -1) { - return NULL; - } - return &context->cstr_pool[offset]; -} diff --git a/src/glsl/pp/sl_pp_context.h b/src/glsl/pp/sl_pp_context.h deleted file mode 100644 index e6244f62575..00000000000 --- a/src/glsl/pp/sl_pp_context.h +++ /dev/null @@ -1,99 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_CONTEXT_H -#define SL_PP_CONTEXT_H - -#include "sl_pp_dict.h" -#include "sl_pp_process.h" -#include "sl_pp_purify.h" -#include "sl_pp_token_util.h" - - -#define SL_PP_MAX_IF_NESTING 64 - -#define SL_PP_MAX_ERROR_MSG 1024 - -#define SL_PP_MAX_EXTENSIONS 16 - -#define SL_PP_MAX_PREDEFINED 16 - -struct sl_pp_extension { - int name; /*< GL_VENDOR_extension_name */ -}; - -struct sl_pp_predefined { - int name; - int value; -}; - -union sl_pp_if_state { - struct { - unsigned int condition:1; - unsigned int went_thru_else:1; - unsigned int had_true_cond:1; - } u; - unsigned int value; -}; - -struct sl_pp_context { - char *cstr_pool; - unsigned int cstr_pool_max; - unsigned int cstr_pool_len; - struct sl_pp_dict dict; - - struct sl_pp_macro *macro; - struct sl_pp_macro **macro_tail; - - struct sl_pp_extension extensions[SL_PP_MAX_EXTENSIONS]; - unsigned int num_extensions; - - struct sl_pp_predefined predefined[SL_PP_MAX_PREDEFINED]; - unsigned int num_predefined; - - union sl_pp_if_state if_stack[SL_PP_MAX_IF_NESTING]; - unsigned int if_ptr; - unsigned int if_value; - - char error_msg[SL_PP_MAX_ERROR_MSG]; - unsigned int error_line; - - unsigned int line; - unsigned int file; - - struct sl_pp_purify_state pure; - - char *getc_buf; - unsigned int getc_buf_size; - unsigned int getc_buf_capacity; - - struct sl_pp_token_buffer tokens; - - struct sl_pp_process_state process_state; -}; - -#endif /* SL_PP_CONTEXT_H */ diff --git a/src/glsl/pp/sl_pp_define.c b/src/glsl/pp/sl_pp_define.c deleted file mode 100644 index 370e6aa6606..00000000000 --- a/src/glsl/pp/sl_pp_define.c +++ /dev/null @@ -1,240 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_macro.h" -#include "sl_pp_process.h" -#include "sl_pp_public.h" -#include "sl_pp_token.h" - - -static void -skip_whitespace(const struct sl_pp_token_info *input, - unsigned int *first, - unsigned int last) -{ - while (*first < last && input[*first].token == SL_PP_WHITESPACE) { - (*first)++; - } -} - - -static int -_parse_formal_args(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int *first, - unsigned int last, - struct sl_pp_macro *macro) -{ - struct sl_pp_macro_formal_arg **arg; - - macro->num_args = 0; - - skip_whitespace(input, first, last); - if (*first < last) { - if (input[*first].token == SL_PP_RPAREN) { - (*first)++; - return 0; - } - } else { - strcpy(context->error_msg, "expected either macro formal argument or `)'"); - return -1; - } - - arg = ¯o->arg; - - for (;;) { - if (*first < last && input[*first].token != SL_PP_IDENTIFIER) { - strcpy(context->error_msg, "expected macro formal argument"); - return -1; - } - - *arg = malloc(sizeof(struct sl_pp_macro_formal_arg)); - if (!*arg) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - (**arg).name = input[*first].data.identifier; - (*first)++; - - (**arg).next = NULL; - arg = &(**arg).next; - - macro->num_args++; - - skip_whitespace(input, first, last); - if (*first < last) { - if (input[*first].token == SL_PP_COMMA) { - (*first)++; - skip_whitespace(input, first, last); - } else if (input[*first].token == SL_PP_RPAREN) { - (*first)++; - return 0; - } else { - strcpy(context->error_msg, "expected either `,' or `)'"); - return -1; - } - } else { - strcpy(context->error_msg, "expected either `,' or `)'"); - return -1; - } - } - - /* Should not gete here. */ -} - - -int -sl_pp_process_define(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - int macro_name = -1; - struct sl_pp_macro *macro; - unsigned int i; - unsigned int body_len; - unsigned int j; - - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - macro_name = input[first].data.identifier; - first++; - } - if (macro_name == -1) { - strcpy(context->error_msg, "expected macro name"); - return -1; - } - - /* Check for reserved macro names */ - { - const char *name = sl_pp_context_cstr(context, macro_name); - - if (strstr(name, "__")) { - strcpy(context->error_msg, "macro names containing `__' are reserved"); - return 1; - } - if (name[0] == 'G' && name[1] == 'L' && name[2] == '_') { - strcpy(context->error_msg, "macro names prefixed with `GL_' are reserved"); - return 1; - } - } - - for (macro = context->macro; macro; macro = macro->next) { - if (macro->name == macro_name) { - break; - } - } - - if (!macro) { - macro = sl_pp_macro_new(); - if (!macro) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - *context->macro_tail = macro; - context->macro_tail = ¯o->next; - } else { - sl_pp_macro_reset(macro); - } - - macro->name = macro_name; - - /* - * If there is no whitespace between macro name and left paren, a macro - * formal argument list follows. This is the only place where the presence - * of a whitespace matters and it's the only reason why we are dealing - * with whitespace at this level. - */ - if (first < last && input[first].token == SL_PP_LPAREN) { - first++; - if (_parse_formal_args(context, input, &first, last, macro)) { - return -1; - } - } - - /* Calculate body size, trim out whitespace, make room for EOF. */ - body_len = 1; - for (i = first; i < last; i++) { - if (input[i].token != SL_PP_WHITESPACE) { - body_len++; - } - } - - macro->body = malloc(sizeof(struct sl_pp_token_info) * body_len); - if (!macro->body) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - for (j = 0, i = first; i < last; i++) { - if (input[i].token != SL_PP_WHITESPACE) { - macro->body[j++] = input[i]; - } - } - macro->body[j++].token = SL_PP_EOF; - - return 0; -} - - -int -sl_pp_process_undef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - int macro_name = -1; - struct sl_pp_macro **pmacro; - struct sl_pp_macro *macro; - - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - macro_name = input[first].data.identifier; - } - if (macro_name == -1) { - return 0; - } - - for (pmacro = &context->macro; *pmacro; pmacro = &(**pmacro).next) { - if ((**pmacro).name == macro_name) { - break; - } - } - if (!*pmacro) { - return 0; - } - - macro = *pmacro; - *pmacro = macro->next; - macro->next = NULL; - sl_pp_macro_free(macro); - - return 0; -} diff --git a/src/glsl/pp/sl_pp_dict.c b/src/glsl/pp/sl_pp_dict.c deleted file mode 100644 index 062139e6ac0..00000000000 --- a/src/glsl/pp/sl_pp_dict.c +++ /dev/null @@ -1,85 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include "sl_pp_public.h" -#include "sl_pp_context.h" -#include "sl_pp_dict.h" - - -#define ADD_NAME_STR(CTX, NAME, STR)\ - do {\ - (CTX)->dict.NAME = sl_pp_context_add_unique_str((CTX), (STR));\ - if ((CTX)->dict.NAME == -1) {\ - return -1;\ - }\ - } while (0) - -#define ADD_NAME(CTX, NAME) ADD_NAME_STR(CTX, NAME, #NAME) - - -int -sl_pp_dict_init(struct sl_pp_context *context) -{ - ADD_NAME(context, all); - - ADD_NAME(context, require); - ADD_NAME(context, enable); - ADD_NAME(context, warn); - ADD_NAME(context, disable); - - ADD_NAME(context, defined); - - ADD_NAME_STR(context, ___LINE__, "__LINE__"); - ADD_NAME_STR(context, ___FILE__, "__FILE__"); - ADD_NAME_STR(context, ___VERSION__, "__VERSION__"); - - ADD_NAME(context, optimize); - ADD_NAME(context, debug); - - ADD_NAME(context, off); - ADD_NAME(context, on); - - ADD_NAME(context, define); - ADD_NAME(context, elif); - ADD_NAME_STR(context, _else, "else"); - ADD_NAME(context, endif); - ADD_NAME(context, error); - ADD_NAME(context, extension); - ADD_NAME_STR(context, _if, "if"); - ADD_NAME(context, ifdef); - ADD_NAME(context, ifndef); - ADD_NAME(context, line); - ADD_NAME(context, pragma); - ADD_NAME(context, undef); - - ADD_NAME(context, version); - - ADD_NAME_STR(context, _0, "0"); - ADD_NAME_STR(context, _1, "1"); - - return 0; -} diff --git a/src/glsl/pp/sl_pp_dict.h b/src/glsl/pp/sl_pp_dict.h deleted file mode 100644 index 875217bd309..00000000000 --- a/src/glsl/pp/sl_pp_dict.h +++ /dev/null @@ -1,77 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_DICT_H -#define SL_PP_DICT_H - - -struct sl_pp_context; - -struct sl_pp_dict { - int all; - - int require; - int enable; - int warn; - int disable; - - int defined; - - int ___LINE__; - int ___FILE__; - int ___VERSION__; - - int optimize; - int debug; - - int off; - int on; - - int define; - int elif; - int _else; - int endif; - int error; - int extension; - int _if; - int ifdef; - int ifndef; - int line; - int pragma; - int undef; - - int version; - - int _0; - int _1; -}; - - -int -sl_pp_dict_init(struct sl_pp_context *context); - -#endif /* SL_PP_DICT_H */ diff --git a/src/glsl/pp/sl_pp_error.c b/src/glsl/pp/sl_pp_error.c deleted file mode 100644 index 482b67fcafb..00000000000 --- a/src/glsl/pp/sl_pp_error.c +++ /dev/null @@ -1,271 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_process.h" -#include "sl_pp_public.h" -#include "sl_pp_token.h" - - -void -sl_pp_process_error(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - unsigned int out_len = 0; - unsigned int i; - - for (i = first; i < last; i++) { - const char *s = NULL; - char buf[2]; - - switch (input[i].token) { - case SL_PP_WHITESPACE: - s = " "; - break; - - case SL_PP_NEWLINE: - s = "\n"; - break; - - case SL_PP_HASH: - s = "#"; - break; - - case SL_PP_COMMA: - s = ","; - break; - - case SL_PP_SEMICOLON: - s = ";"; - break; - - case SL_PP_LBRACE: - s = "{"; - break; - - case SL_PP_RBRACE: - s = "}"; - break; - - case SL_PP_LPAREN: - s = "("; - break; - - case SL_PP_RPAREN: - s = ")"; - break; - - case SL_PP_LBRACKET: - s = "["; - break; - - case SL_PP_RBRACKET: - s = "]"; - break; - - case SL_PP_DOT: - s = "."; - break; - - case SL_PP_INCREMENT: - s = "++"; - break; - - case SL_PP_ADDASSIGN: - s = "+="; - break; - - case SL_PP_PLUS: - s = "+"; - break; - - case SL_PP_DECREMENT: - s = "--"; - break; - - case SL_PP_SUBASSIGN: - s = "-="; - break; - - case SL_PP_MINUS: - s = "-"; - break; - - case SL_PP_BITNOT: - s = "~"; - break; - - case SL_PP_NOTEQUAL: - s = "!="; - break; - - case SL_PP_NOT: - s = "!"; - break; - - case SL_PP_MULASSIGN: - s = "*="; - break; - - case SL_PP_STAR: - s = "*"; - break; - - case SL_PP_DIVASSIGN: - s = "/="; - break; - - case SL_PP_SLASH: - s = "/"; - break; - - case SL_PP_MODASSIGN: - s = "%="; - break; - - case SL_PP_MODULO: - s = "%"; - break; - - case SL_PP_LSHIFTASSIGN: - s = "<<="; - break; - - case SL_PP_LSHIFT: - s = "<<"; - break; - - case SL_PP_LESSEQUAL: - s = "<="; - break; - - case SL_PP_LESS: - s = "<"; - break; - - case SL_PP_RSHIFTASSIGN: - s = ">>="; - break; - - case SL_PP_RSHIFT: - s = ">>"; - break; - - case SL_PP_GREATEREQUAL: - s = ">="; - break; - - case SL_PP_GREATER: - s = ">"; - break; - - case SL_PP_EQUAL: - s = "=="; - break; - - case SL_PP_ASSIGN: - s = "="; - break; - - case SL_PP_AND: - s = "&&"; - break; - - case SL_PP_BITANDASSIGN: - s = "&="; - break; - - case SL_PP_BITAND: - s = "&"; - break; - - case SL_PP_XOR: - s = "^^"; - break; - - case SL_PP_BITXORASSIGN: - s = "^="; - break; - - case SL_PP_BITXOR: - s = "^"; - break; - - case SL_PP_OR: - s = "||"; - break; - - case SL_PP_BITORASSIGN: - s = "|="; - break; - - case SL_PP_BITOR: - s = "|"; - break; - - case SL_PP_QUESTION: - s = "?"; - break; - - case SL_PP_COLON: - s = ":"; - break; - - case SL_PP_IDENTIFIER: - s = sl_pp_context_cstr(context, input[i].data.identifier); - break; - - case SL_PP_UINT: - s = sl_pp_context_cstr(context, input[i].data._uint); - break; - - case SL_PP_FLOAT: - s = sl_pp_context_cstr(context, input[i].data._float); - break; - - case SL_PP_OTHER: - buf[0] = input[i].data.other; - buf[1] = '\0'; - s = buf; - break; - - default: - strcpy(context->error_msg, "internal error"); - return; - } - - while (*s != '\0' && out_len < sizeof(context->error_msg) - 1) { - context->error_msg[out_len++] = *s++; - } - } - - context->error_msg[out_len] = '\0'; -} diff --git a/src/glsl/pp/sl_pp_expression.c b/src/glsl/pp/sl_pp_expression.c deleted file mode 100644 index c3f48356b09..00000000000 --- a/src/glsl/pp/sl_pp_expression.c +++ /dev/null @@ -1,413 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_expression.h" -#include "sl_pp_public.h" -#include "sl_pp_token.h" - - -struct parse_context { - struct sl_pp_context *context; - const struct sl_pp_token_info *input; -}; - -static int -_parse_or(struct parse_context *ctx, - int *result); - -static int -_parse_primary(struct parse_context *ctx, - int *result) -{ - if (ctx->input->token == SL_PP_UINT) { - *result = atoi(sl_pp_context_cstr(ctx->context, ctx->input->data._uint)); - ctx->input++; - } else { - if (ctx->input->token != SL_PP_LPAREN) { - strcpy(ctx->context->error_msg, "expected `('"); - return -1; - } - ctx->input++; - if (_parse_or(ctx, result)) { - return -1; - } - if (ctx->input->token != SL_PP_RPAREN) { - strcpy(ctx->context->error_msg, "expected `)'"); - return -1; - } - ctx->input++; - } - return 0; -} - -static int -_parse_unary(struct parse_context *ctx, - int *result) -{ - if (!_parse_primary(ctx, result)) { - return 0; - } - - switch (ctx->input->token) { - case SL_PP_PLUS: - ctx->input++; - if (_parse_unary(ctx, result)) { - return -1; - } - *result = +*result; - break; - - case SL_PP_MINUS: - ctx->input++; - if (_parse_unary(ctx, result)) { - return -1; - } - *result = -*result; - break; - - case SL_PP_NOT: - ctx->input++; - if (_parse_unary(ctx, result)) { - return -1; - } - *result = !*result; - break; - - case SL_PP_BITNOT: - ctx->input++; - if (_parse_unary(ctx, result)) { - return -1; - } - *result = ~*result; - break; - - default: - return -1; - } - - return 0; -} - -static int -_parse_multiplicative(struct parse_context *ctx, - int *result) -{ - if (_parse_unary(ctx, result)) { - return -1; - } - for (;;) { - int right; - - switch (ctx->input->token) { - case SL_PP_STAR: - ctx->input++; - if (_parse_unary(ctx, &right)) { - return -1; - } - *result = *result * right; - break; - - case SL_PP_SLASH: - ctx->input++; - if (_parse_unary(ctx, &right)) { - return -1; - } - *result = *result / right; - break; - - case SL_PP_MODULO: - ctx->input++; - if (_parse_unary(ctx, &right)) { - return -1; - } - *result = *result % right; - break; - - default: - return 0; - } - } -} - -static int -_parse_additive(struct parse_context *ctx, - int *result) -{ - if (_parse_multiplicative(ctx, result)) { - return -1; - } - for (;;) { - int right; - - switch (ctx->input->token) { - case SL_PP_PLUS: - ctx->input++; - if (_parse_multiplicative(ctx, &right)) { - return -1; - } - *result = *result + right; - break; - - case SL_PP_MINUS: - ctx->input++; - if (_parse_multiplicative(ctx, &right)) { - return -1; - } - *result = *result - right; - break; - - default: - return 0; - } - } -} - -static int -_parse_shift(struct parse_context *ctx, - int *result) -{ - if (_parse_additive(ctx, result)) { - return -1; - } - for (;;) { - int right; - - switch (ctx->input->token) { - case SL_PP_LSHIFT: - ctx->input++; - if (_parse_additive(ctx, &right)) { - return -1; - } - *result = *result << right; - break; - - case SL_PP_RSHIFT: - ctx->input++; - if (_parse_additive(ctx, &right)) { - return -1; - } - *result = *result >> right; - break; - - default: - return 0; - } - } -} - -static int -_parse_relational(struct parse_context *ctx, - int *result) -{ - if (_parse_shift(ctx, result)) { - return -1; - } - for (;;) { - int right; - - switch (ctx->input->token) { - case SL_PP_LESSEQUAL: - ctx->input++; - if (_parse_shift(ctx, &right)) { - return -1; - } - *result = *result <= right; - break; - - case SL_PP_GREATEREQUAL: - ctx->input++; - if (_parse_shift(ctx, &right)) { - return -1; - } - *result = *result >= right; - break; - - case SL_PP_LESS: - ctx->input++; - if (_parse_shift(ctx, &right)) { - return -1; - } - *result = *result < right; - break; - - case SL_PP_GREATER: - ctx->input++; - if (_parse_shift(ctx, &right)) { - return -1; - } - *result = *result > right; - break; - - default: - return 0; - } - } -} - -static int -_parse_equality(struct parse_context *ctx, - int *result) -{ - if (_parse_relational(ctx, result)) { - return -1; - } - for (;;) { - int right; - - switch (ctx->input->token) { - case SL_PP_EQUAL: - ctx->input++; - if (_parse_relational(ctx, &right)) { - return -1; - } - *result = *result == right; - break; - - case SL_PP_NOTEQUAL: - ctx->input++; - if (_parse_relational(ctx, &right)) { - return -1; - } - *result = *result != right; - break; - - default: - return 0; - } - } -} - -static int -_parse_bitand(struct parse_context *ctx, - int *result) -{ - if (_parse_equality(ctx, result)) { - return -1; - } - while (ctx->input->token == SL_PP_BITAND) { - int right; - - ctx->input++; - if (_parse_equality(ctx, &right)) { - return -1; - } - *result = *result & right; - } - return 0; -} - -static int -_parse_xor(struct parse_context *ctx, - int *result) -{ - if (_parse_bitand(ctx, result)) { - return -1; - } - while (ctx->input->token == SL_PP_XOR) { - int right; - - ctx->input++; - if (_parse_bitand(ctx, &right)) { - return -1; - } - *result = *result ^ right; - } - return 0; -} - -static int -_parse_bitor(struct parse_context *ctx, - int *result) -{ - if (_parse_xor(ctx, result)) { - return -1; - } - while (ctx->input->token == SL_PP_BITOR) { - int right; - - ctx->input++; - if (_parse_xor(ctx, &right)) { - return -1; - } - *result = *result | right; - } - return 0; -} - -static int -_parse_and(struct parse_context *ctx, - int *result) -{ - if (_parse_bitor(ctx, result)) { - return -1; - } - while (ctx->input->token == SL_PP_AND) { - int right; - - ctx->input++; - if (_parse_bitor(ctx, &right)) { - return -1; - } - *result = *result && right; - } - return 0; -} - -static int -_parse_or(struct parse_context *ctx, - int *result) -{ - if (_parse_and(ctx, result)) { - return -1; - } - while (ctx->input->token == SL_PP_OR) { - int right; - - ctx->input++; - if (_parse_and(ctx, &right)) { - return -1; - } - *result = *result || right; - } - return 0; -} - -int -sl_pp_execute_expression(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - int *result) -{ - struct parse_context ctx; - - ctx.context = context; - ctx.input = input; - - return _parse_or(&ctx, result); -} diff --git a/src/glsl/pp/sl_pp_expression.h b/src/glsl/pp/sl_pp_expression.h deleted file mode 100644 index 522263bb259..00000000000 --- a/src/glsl/pp/sl_pp_expression.h +++ /dev/null @@ -1,40 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_EXPRESSION_H -#define SL_PP_EXPRESSION_H - -struct sl_pp_context; -struct sl_pp_token_info; - - -int -sl_pp_execute_expression(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - int *result); - -#endif /* SL_PP_EXPRESSION_H */ diff --git a/src/glsl/pp/sl_pp_extension.c b/src/glsl/pp/sl_pp_extension.c deleted file mode 100644 index 00dbdcf22bc..00000000000 --- a/src/glsl/pp/sl_pp_extension.c +++ /dev/null @@ -1,180 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_process.h" -#include "sl_pp_public.h" -#include "sl_pp_token.h" - - -/** - * Declare an extension to the preprocessor. This tells the preprocessor - * which extensions are supported by Mesa. - * The shader still needs to have a "#extension name: behavior" line to enable - * the extension. - */ -int -sl_pp_context_add_extension(struct sl_pp_context *context, - const char *name) -{ - struct sl_pp_extension ext; - - if (context->num_extensions == SL_PP_MAX_EXTENSIONS) { - return -1; - } - - ext.name = sl_pp_context_add_unique_str(context, name); - if (ext.name == -1) { - return -1; - } - - context->extensions[context->num_extensions++] = ext; - - assert(context->num_extensions <= sizeof(context->extensions)); - - return 0; -} - - -/** - * Process a "#extension name: behavior" directive. - */ -int -sl_pp_process_extension(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last, - struct sl_pp_process_state *state) -{ - int extension_name = -1; - int behavior = -1; - struct sl_pp_token_info out; - - /* Grab the extension name. */ - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - extension_name = input[first].data.identifier; - first++; - } - if (extension_name == -1) { - strcpy(context->error_msg, "expected identifier after `#extension'"); - return -1; - } - - /* Make sure the extension is supported. */ - if (extension_name == context->dict.all) { - out.data.extension = extension_name; - } else { - unsigned int i; - - out.data.extension = -1; - for (i = 0; i < context->num_extensions; i++) { - if (extension_name == context->extensions[i].name) { - out.data.extension = extension_name; - break; - } - } - } - - /* Grab the colon separating the extension name and behavior. */ - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - if (first < last && input[first].token == SL_PP_COLON) { - first++; - } else { - strcpy(context->error_msg, "expected `:' after extension name"); - return -1; - } - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - - /* Grab the behavior name. */ - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - behavior = input[first].data.identifier; - first++; - } - if (behavior == -1) { - strcpy(context->error_msg, "expected identifier after `:'"); - return -1; - } - - if (behavior == context->dict.require) { - if (out.data.extension == -1) { - strcpy(context->error_msg, "the required extension is not supported"); - return -1; - } - if (out.data.extension == context->dict.all) { - strcpy(context->error_msg, "invalid behavior for `all' extension: `require'"); - return -1; - } - out.token = SL_PP_EXTENSION_REQUIRE; - } else if (behavior == context->dict.enable) { - if (out.data.extension == -1) { - /* Warning: the extension cannot be enabled. */ - return 0; - } - if (out.data.extension == context->dict.all) { - strcpy(context->error_msg, "invalid behavior for `all' extension: `enable'"); - return -1; - } - out.token = SL_PP_EXTENSION_ENABLE; - } else if (behavior == context->dict.warn) { - if (out.data.extension == -1) { - /* Warning: the extension is not supported. */ - return 0; - } - out.token = SL_PP_EXTENSION_WARN; - } else if (behavior == context->dict.disable) { - if (out.data.extension == -1) { - /* Warning: the extension is not supported. */ - return 0; - } - out.token = SL_PP_EXTENSION_DISABLE; - } else { - strcpy(context->error_msg, "unrecognised behavior name"); - return -1; - } - - /* Grab the end of line. */ - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - if (first < last) { - strcpy(context->error_msg, "expected end of line after behavior name"); - return -1; - } - - if (sl_pp_process_out(state, &out)) { - return -1; - } - - return 0; -} diff --git a/src/glsl/pp/sl_pp_if.c b/src/glsl/pp/sl_pp_if.c deleted file mode 100644 index 6b7a1590b42..00000000000 --- a/src/glsl/pp/sl_pp_if.c +++ /dev/null @@ -1,343 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_expression.h" -#include "sl_pp_macro.h" -#include "sl_pp_process.h" -#include "sl_pp_token.h" - - -static int -_macro_is_defined(struct sl_pp_context *context, - int macro_name) -{ - unsigned int i; - struct sl_pp_macro *macro; - - for (i = 0; i < context->num_extensions; i++) { - if (macro_name == context->extensions[i].name) { - return 1; - } - } - - for (macro = context->macro; macro; macro = macro->next) { - if (macro_name == macro->name) { - return 1; - } - } - - return 0; -} - -static int -_parse_defined(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer, - struct sl_pp_process_state *state) -{ - struct sl_pp_token_info input; - int parens = 0; - int defined; - struct sl_pp_token_info result; - - if (sl_pp_token_buffer_skip_white(buffer, &input)) { - return -1; - } - - if (input.token == SL_PP_LPAREN) { - if (sl_pp_token_buffer_skip_white(buffer, &input)) { - return -1; - } - parens = 1; - } - - if (input.token != SL_PP_IDENTIFIER) { - strcpy(context->error_msg, "expected an identifier"); - return -1; - } - - defined = _macro_is_defined(context, input.data.identifier); - - if (parens) { - if (sl_pp_token_buffer_skip_white(buffer, &input)) { - return -1; - } - if (input.token != SL_PP_RPAREN) { - strcpy(context->error_msg, "expected `)'"); - return -1; - } - } - - result.token = SL_PP_UINT; - result.data._uint = (defined ? context->dict._1 : context->dict._0); - - if (sl_pp_process_out(state, &result)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - return 0; -} - -static unsigned int -_evaluate_if_stack(struct sl_pp_context *context) -{ - unsigned int i; - - for (i = context->if_ptr; i < SL_PP_MAX_IF_NESTING; i++) { - if (!context->if_stack[i].u.condition) { - return 0; - } - } - return 1; -} - -static int -_parse_if(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer) -{ - struct sl_pp_process_state state; - int found_end = 0; - struct sl_pp_token_info eof; - int result; - - if (!context->if_ptr) { - strcpy(context->error_msg, "`#if' nesting too deep"); - return -1; - } - - memset(&state, 0, sizeof(state)); - while (!found_end) { - struct sl_pp_token_info input; - - sl_pp_token_buffer_get(buffer, &input); - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_IDENTIFIER: - if (input.data.identifier == context->dict.defined) { - if (_parse_defined(context, buffer, &state)) { - free(state.out); - return -1; - } - } else { - sl_pp_token_buffer_unget(buffer, &input); - if (sl_pp_macro_expand(context, buffer, NULL, &state, sl_pp_macro_expand_unknown_to_0)) { - free(state.out); - return -1; - } - } - break; - - case SL_PP_NEWLINE: - case SL_PP_EOF: - found_end = 1; - break; - - default: - if (sl_pp_process_out(&state, &input)) { - strcpy(context->error_msg, "out of memory"); - free(state.out); - return -1; - } - } - } - - eof.token = SL_PP_EOF; - if (sl_pp_process_out(&state, &eof)) { - strcpy(context->error_msg, "out of memory"); - free(state.out); - return -1; - } - - if (sl_pp_execute_expression(context, state.out, &result)) { - free(state.out); - return -1; - } - - free(state.out); - - context->if_ptr--; - context->if_stack[context->if_ptr].value = 0; - context->if_stack[context->if_ptr].u.condition = result ? 1 : 0; - context->if_value = _evaluate_if_stack(context); - - return 0; -} - -static int -_parse_else(struct sl_pp_context *context) -{ - union sl_pp_if_state *state = &context->if_stack[context->if_ptr]; - - if (context->if_ptr == SL_PP_MAX_IF_NESTING) { - strcpy(context->error_msg, "no matching `#if'"); - return -1; - } - - if (state->u.went_thru_else) { - strcpy(context->error_msg, "no matching `#if'"); - return -1; - } - - /* Once we had a true condition, the subsequent #elifs should always be false. */ - state->u.had_true_cond |= state->u.condition; - - /* Update current condition value and mark that we are in the #else block. */ - state->u.condition = !(state->u.had_true_cond | state->u.condition); - state->u.went_thru_else = 1; - context->if_value = _evaluate_if_stack(context); - - return 0; -} - -int -sl_pp_process_if(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer) -{ - return _parse_if(context, buffer); -} - -int -sl_pp_process_ifdef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - unsigned int i; - - if (!context->if_ptr) { - strcpy(context->error_msg, "`#if' nesting too deep"); - return -1; - } - - for (i = first; i < last; i++) { - switch (input[i].token) { - case SL_PP_IDENTIFIER: - context->if_ptr--; - context->if_stack[context->if_ptr].value = 0; - context->if_stack[context->if_ptr].u.condition = _macro_is_defined(context, input[i].data.identifier); - context->if_value = _evaluate_if_stack(context); - return 0; - - case SL_PP_WHITESPACE: - break; - - default: - strcpy(context->error_msg, "expected an identifier"); - return -1; - } - } - - strcpy(context->error_msg, "expected an identifier"); - return -1; -} - -int -sl_pp_process_ifndef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - unsigned int i; - - if (!context->if_ptr) { - strcpy(context->error_msg, "`#if' nesting too deep"); - return -1; - } - - for (i = first; i < last; i++) { - switch (input[i].token) { - case SL_PP_IDENTIFIER: - context->if_ptr--; - context->if_stack[context->if_ptr].value = 0; - context->if_stack[context->if_ptr].u.condition = !_macro_is_defined(context, input[i].data.identifier); - context->if_value = _evaluate_if_stack(context); - return 0; - - case SL_PP_WHITESPACE: - break; - - default: - strcpy(context->error_msg, "expected an identifier"); - return -1; - } - } - - strcpy(context->error_msg, "expected an identifier"); - return -1; -} - -int -sl_pp_process_elif(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer) -{ - if (_parse_else(context)) { - return -1; - } - - if (context->if_stack[context->if_ptr].u.condition) { - context->if_ptr++; - if (_parse_if(context, buffer)) { - return -1; - } - } - - /* We are still in the #if block. */ - context->if_stack[context->if_ptr].u.went_thru_else = 0; - - return 0; -} - -int -sl_pp_process_else(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - return _parse_else(context); -} - -int -sl_pp_process_endif(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last) -{ - if (context->if_ptr == SL_PP_MAX_IF_NESTING) { - strcpy(context->error_msg, "no matching `#if'"); - return -1; - } - - context->if_ptr++; - context->if_value = _evaluate_if_stack(context); - - return 0; -} diff --git a/src/glsl/pp/sl_pp_line.c b/src/glsl/pp/sl_pp_line.c deleted file mode 100644 index 51581c7bb59..00000000000 --- a/src/glsl/pp/sl_pp_line.c +++ /dev/null @@ -1,129 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_macro.h" -#include "sl_pp_public.h" -#include "sl_pp_process.h" -#include "sl_pp_token.h" - - -int -sl_pp_process_line(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer, - struct sl_pp_process_state *pstate) -{ - struct sl_pp_process_state state; - int found_end = 0; - int line_number = -1; - int file_number = -1; - unsigned int line; - unsigned int file; - - memset(&state, 0, sizeof(state)); - while (!found_end) { - struct sl_pp_token_info input; - - sl_pp_token_buffer_get(buffer, &input); - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_IDENTIFIER: - sl_pp_token_buffer_unget(buffer, &input); - if (sl_pp_macro_expand(context, buffer, NULL, &state, sl_pp_macro_expand_normal)) { - free(state.out); - return -1; - } - break; - - case SL_PP_NEWLINE: - case SL_PP_EOF: - found_end = 1; - break; - - default: - if (sl_pp_process_out(&state, &input)) { - strcpy(context->error_msg, "out of memory"); - free(state.out); - return -1; - } - } - } - - if (state.out_len > 0 && state.out[0].token == SL_PP_UINT) { - line_number = state.out[0].data._uint; - } else { - strcpy(context->error_msg, "expected a number after `#line'"); - free(state.out); - return -1; - } - - if (state.out_len > 1) { - if (state.out[1].token == SL_PP_UINT) { - file_number = state.out[1].data._uint; - } else { - strcpy(context->error_msg, "expected a number after line number"); - free(state.out); - return -1; - } - - if (state.out_len > 2) { - strcpy(context->error_msg, "expected an end of line after file number"); - free(state.out); - return -1; - } - } - - free(state.out); - - line = atoi(sl_pp_context_cstr(context, line_number)); - if (file_number != -1) { - file = atoi(sl_pp_context_cstr(context, file_number)); - } else { - file = context->file; - } - - if (context->line != line || context->file != file) { - struct sl_pp_token_info ti; - - ti.token = SL_PP_LINE; - ti.data.line.lineno = line; - ti.data.line.fileno = file; - if (sl_pp_process_out(pstate, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - context->line = line; - context->file = file; - } - - return 0; -} diff --git a/src/glsl/pp/sl_pp_macro.c b/src/glsl/pp/sl_pp_macro.c deleted file mode 100644 index 2cf9ea342b2..00000000000 --- a/src/glsl/pp/sl_pp_macro.c +++ /dev/null @@ -1,415 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_public.h" -#include "sl_pp_macro.h" -#include "sl_pp_process.h" -#include "sl_pp_token.h" - - -static void -_macro_init(struct sl_pp_macro *macro) -{ - macro->name = -1; - macro->num_args = -1; - macro->arg = NULL; - macro->body = NULL; -} - -struct sl_pp_macro * -sl_pp_macro_new(void) -{ - struct sl_pp_macro *macro; - - macro = calloc(1, sizeof(struct sl_pp_macro)); - if (macro) { - _macro_init(macro); - } - return macro; -} - -static void -_macro_destroy(struct sl_pp_macro *macro) -{ - struct sl_pp_macro_formal_arg *arg = macro->arg; - - while (arg) { - struct sl_pp_macro_formal_arg *next_arg = arg->next; - - free(arg); - arg = next_arg; - } - - free(macro->body); -} - -void -sl_pp_macro_free(struct sl_pp_macro *macro) -{ - while (macro) { - struct sl_pp_macro *next_macro = macro->next; - - _macro_destroy(macro); - free(macro); - macro = next_macro; - } -} - -void -sl_pp_macro_reset(struct sl_pp_macro *macro) -{ - _macro_destroy(macro); - _macro_init(macro); -} - -static int -_out_number(struct sl_pp_context *context, - struct sl_pp_process_state *state, - unsigned int number) -{ - char buf[32]; - struct sl_pp_token_info ti; - - sprintf(buf, "%u", number); - - ti.token = SL_PP_UINT; - ti.data._uint = sl_pp_context_add_unique_str(context, buf); - if (sl_pp_process_out(state, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - return 0; -} - -int -sl_pp_macro_expand(struct sl_pp_context *context, - struct sl_pp_token_buffer *tokens, - struct sl_pp_macro *local, - struct sl_pp_process_state *state, - enum sl_pp_macro_expand_behaviour behaviour) -{ - int mute = (behaviour == sl_pp_macro_expand_mute); - struct sl_pp_token_info input; - int macro_name; - struct sl_pp_macro *macro = NULL; - struct sl_pp_macro *actual_arg = NULL; - unsigned int j; - - if (sl_pp_token_buffer_get(tokens, &input)) { - return -1; - } - - if (input.token != SL_PP_IDENTIFIER) { - strcpy(context->error_msg, "expected an identifier"); - return -1; - } - - macro_name = input.data.identifier; - - /* First look for predefined macros. - */ - - if (macro_name == context->dict.___LINE__) { - if (!mute && _out_number(context, state, context->line)) { - return -1; - } - return 0; - } - if (macro_name == context->dict.___FILE__) { - if (!mute && _out_number(context, state, context->file)) { - return -1; - } - return 0; - } - if (macro_name == context->dict.___VERSION__) { - if (!mute && _out_number(context, state, 110)) { - return -1; - } - return 0; - } - - for (j = 0; j < context->num_predefined; j++) { - if (macro_name == context->predefined[j].name) { - if (!mute) { - struct sl_pp_token_info ti; - - ti.token = SL_PP_UINT; - ti.data._uint = context->predefined[j].value; - if (sl_pp_process_out(state, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } - return 0; - } - } - - /* Replace extension names with 1. - */ - for (j = 0; j < context->num_extensions; j++) { - if (macro_name == context->extensions[j].name) { - if (!mute && _out_number(context, state, 1)) { - return -1; - } - return 0; - } - } - - if (local) { - for (macro = local; macro; macro = macro->next) { - if (macro->name == macro_name) { - break; - } - } - } - - if (!macro) { - for (macro = context->macro; macro; macro = macro->next) { - if (macro->name == macro_name) { - break; - } - } - } - - if (!macro) { - if (behaviour == sl_pp_macro_expand_unknown_to_0) { - if (_out_number(context, state, 0)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } else if (!mute) { - if (sl_pp_process_out(state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } - return 0; - } - - if (macro->num_args >= 0) { - if (sl_pp_token_buffer_skip_white(tokens, &input)) { - return -1; - } - if (input.token != SL_PP_LPAREN) { - strcpy(context->error_msg, "expected `('"); - return -1; - } - if (sl_pp_token_buffer_skip_white(tokens, &input)) { - return -1; - } - sl_pp_token_buffer_unget(tokens, &input); - } - - if (macro->num_args > 0) { - struct sl_pp_macro_formal_arg *formal_arg = macro->arg; - struct sl_pp_macro **pmacro = &actual_arg; - - for (j = 0; j < (unsigned int)macro->num_args; j++) { - struct sl_pp_process_state arg_state; - int done = 0; - unsigned int paren_nesting = 0; - struct sl_pp_token_info eof; - - memset(&arg_state, 0, sizeof(arg_state)); - - while (!done) { - if (sl_pp_token_buffer_get(tokens, &input)) { - goto fail_arg; - } - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_COMMA: - if (!paren_nesting) { - if (j < (unsigned int)macro->num_args - 1) { - done = 1; - } else { - strcpy(context->error_msg, "too many actual macro arguments"); - goto fail_arg; - } - } else { - if (sl_pp_process_out(&arg_state, &input)) { - strcpy(context->error_msg, "out of memory"); - goto fail_arg; - } - } - break; - - case SL_PP_LPAREN: - paren_nesting++; - if (sl_pp_process_out(&arg_state, &input)) { - goto oom_arg; - } - break; - - case SL_PP_RPAREN: - if (!paren_nesting) { - if (j == (unsigned int)macro->num_args - 1) { - done = 1; - } else { - strcpy(context->error_msg, "too few actual macro arguments"); - goto fail_arg; - } - } else { - paren_nesting--; - if (sl_pp_process_out(&arg_state, &input)) { - goto oom_arg; - } - } - break; - - case SL_PP_IDENTIFIER: - sl_pp_token_buffer_unget(tokens, &input); - if (sl_pp_macro_expand(context, tokens, local, &arg_state, sl_pp_macro_expand_normal)) { - goto fail_arg; - } - break; - - case SL_PP_EOF: - strcpy(context->error_msg, "too few actual macro arguments"); - goto fail_arg; - - default: - if (sl_pp_process_out(&arg_state, &input)) { - goto oom_arg; - } - } - } - - eof.token = SL_PP_EOF; - if (sl_pp_process_out(&arg_state, &eof)) { - goto oom_arg; - } - - *pmacro = sl_pp_macro_new(); - if (!*pmacro) { - goto oom_arg; - } - - (**pmacro).name = formal_arg->name; - (**pmacro).body = arg_state.out; - - formal_arg = formal_arg->next; - pmacro = &(**pmacro).next; - - continue; - -oom_arg: - strcpy(context->error_msg, "out of memory"); -fail_arg: - free(arg_state.out); - goto fail; - } - } - - /* Right paren for non-empty argument list has already been eaten. */ - if (macro->num_args == 0) { - if (sl_pp_token_buffer_skip_white(tokens, &input)) { - goto fail; - } - if (input.token != SL_PP_RPAREN) { - strcpy(context->error_msg, "expected `)'"); - goto fail; - } - } - - /* XXX: This is all wrong, we should be ungetting all tokens - * back to the main token buffer. - */ - { - struct sl_pp_token_buffer buffer; - - /* Seek to the end. - */ - for (j = 0; macro->body[j].token != SL_PP_EOF; j++) { - } - j++; - - /* Create a context-less token buffer since we are not going to underrun - * its internal buffer. - */ - if (sl_pp_token_buffer_init(&buffer, NULL)) { - strcpy(context->error_msg, "out of memory"); - goto fail; - } - - /* Unget the tokens in reverse order so later they will be fetched correctly. - */ - for (; j > 0; j--) { - sl_pp_token_buffer_unget(&buffer, ¯o->body[j - 1]); - } - - /* Expand. - */ - for (;;) { - struct sl_pp_token_info input; - - sl_pp_token_buffer_get(&buffer, &input); - switch (input.token) { - case SL_PP_NEWLINE: - if (sl_pp_process_out(state, &input)) { - strcpy(context->error_msg, "out of memory"); - sl_pp_token_buffer_destroy(&buffer); - goto fail; - } - break; - - case SL_PP_IDENTIFIER: - sl_pp_token_buffer_unget(&buffer, &input); - if (sl_pp_macro_expand(context, &buffer, actual_arg, state, behaviour)) { - sl_pp_token_buffer_destroy(&buffer); - goto fail; - } - break; - - case SL_PP_EOF: - sl_pp_token_buffer_destroy(&buffer); - sl_pp_macro_free(actual_arg); - return 0; - - default: - if (!mute) { - if (sl_pp_process_out(state, &input)) { - strcpy(context->error_msg, "out of memory"); - sl_pp_token_buffer_destroy(&buffer); - goto fail; - } - } - } - } - } - -fail: - sl_pp_macro_free(actual_arg); - return -1; -} diff --git a/src/glsl/pp/sl_pp_macro.h b/src/glsl/pp/sl_pp_macro.h deleted file mode 100644 index 6e65a0a588d..00000000000 --- a/src/glsl/pp/sl_pp_macro.h +++ /dev/null @@ -1,70 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_MACRO_H -#define SL_PP_MACRO_H - -struct sl_pp_context; -struct sl_pp_process_state; -struct sl_pp_token_buffer; - -struct sl_pp_macro_formal_arg { - int name; - struct sl_pp_macro_formal_arg *next; -}; - -struct sl_pp_macro { - int name; - int num_args; /* -1 means no args, 0 means `()' */ - struct sl_pp_macro_formal_arg *arg; - struct sl_pp_token_info *body; - struct sl_pp_macro *next; -}; - -struct sl_pp_macro * -sl_pp_macro_new(void); - -void -sl_pp_macro_free(struct sl_pp_macro *macro); - -void -sl_pp_macro_reset(struct sl_pp_macro *macro); - -enum sl_pp_macro_expand_behaviour { - sl_pp_macro_expand_normal, - sl_pp_macro_expand_mute, - sl_pp_macro_expand_unknown_to_0 -}; - -int -sl_pp_macro_expand(struct sl_pp_context *context, - struct sl_pp_token_buffer *tokens, - struct sl_pp_macro *local, - struct sl_pp_process_state *state, - enum sl_pp_macro_expand_behaviour behaviour); - -#endif /* SL_PP_MACRO_H */ diff --git a/src/glsl/pp/sl_pp_pragma.c b/src/glsl/pp/sl_pp_pragma.c deleted file mode 100644 index 6789704db0c..00000000000 --- a/src/glsl/pp/sl_pp_pragma.c +++ /dev/null @@ -1,110 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_process.h" -#include "sl_pp_token.h" - - -int -sl_pp_process_pragma(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last, - struct sl_pp_process_state *state) -{ - int pragma_name = -1; - struct sl_pp_token_info out; - int arg_name = -1; - - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - pragma_name = input[first].data.identifier; - first++; - } - if (pragma_name == -1) { - return 0; - } - - if (pragma_name == context->dict.optimize) { - out.token = SL_PP_PRAGMA_OPTIMIZE; - } else if (pragma_name == context->dict.debug) { - out.token = SL_PP_PRAGMA_DEBUG; - } else { - return 0; - } - - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - - if (first < last && input[first].token == SL_PP_LPAREN) { - first++; - } else { - return 0; - } - - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - - if (first < last && input[first].token == SL_PP_IDENTIFIER) { - arg_name = input[first].data.identifier; - first++; - } - if (arg_name == -1) { - return 0; - } - - if (arg_name == context->dict.off) { - out.data.pragma = 0; - } else if (arg_name == context->dict.on) { - out.data.pragma = 1; - } else { - return 0; - } - - while (first < last && input[first].token == SL_PP_WHITESPACE) { - first++; - } - - if (first < last && input[first].token == SL_PP_RPAREN) { - first++; - } else { - return 0; - } - - /* Ignore the tokens that follow. */ - - if (sl_pp_process_out(state, &out)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - return 0; -} diff --git a/src/glsl/pp/sl_pp_process.c b/src/glsl/pp/sl_pp_process.c deleted file mode 100644 index 2f12393237c..00000000000 --- a/src/glsl/pp/sl_pp_process.c +++ /dev/null @@ -1,331 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include "sl_pp_context.h" -#include "sl_pp_macro.h" -#include "sl_pp_process.h" -#include "sl_pp_public.h" -#include "sl_pp_token.h" - - -int -sl_pp_process_out(struct sl_pp_process_state *state, - const struct sl_pp_token_info *token) -{ - if (state->out_len >= state->out_max) { - unsigned int new_max = state->out_max; - - if (new_max < 0x100) { - new_max = 0x100; - } else if (new_max < 0x10000) { - new_max *= 2; - } else { - new_max += 0x10000; - } - - state->out = realloc(state->out, new_max * sizeof(struct sl_pp_token_info)); - if (!state->out) { - return -1; - } - state->out_max = new_max; - } - - state->out[state->out_len++] = *token; - return 0; -} - -int -sl_pp_process_get(struct sl_pp_context *context, - struct sl_pp_token_info *output) -{ - if (!context->process_state.out) { - if (context->line > 1) { - struct sl_pp_token_info ti; - - ti.token = SL_PP_LINE; - ti.data.line.lineno = context->line - 1; - ti.data.line.fileno = context->file; - if (sl_pp_process_out(&context->process_state, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - - ti.token = SL_PP_NEWLINE; - if (sl_pp_process_out(&context->process_state, &ti)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } - } - - for (;;) { - struct sl_pp_token_info input; - int found_eof = 0; - - if (context->process_state.out_len) { - assert(context->process_state.out); - *output = context->process_state.out[0]; - - if (context->process_state.out_len > 1) { - unsigned int i; - - for (i = 1; i < context->process_state.out_len; i++) { - context->process_state.out[i - 1] = context->process_state.out[i]; - } - } - context->process_state.out_len--; - - return 0; - } - - if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) { - return -1; - } - if (input.token == SL_PP_HASH) { - if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) { - return -1; - } - switch (input.token) { - case SL_PP_IDENTIFIER: - { - int name; - int found_eol = 0; - struct sl_pp_token_info endof; - struct sl_pp_token_peek peek; - int result = 0; - - /* Directive name. */ - name = input.data.identifier; - - if (sl_pp_token_buffer_skip_white(&context->tokens, &input)) { - return -1; - } - sl_pp_token_buffer_unget(&context->tokens, &input); - - if (sl_pp_token_peek_init(&peek, &context->tokens)) { - return -1; - } - - while (!found_eol) { - if (sl_pp_token_peek_get(&peek, &input)) { - sl_pp_token_peek_destroy(&peek); - return -1; - } - switch (input.token) { - case SL_PP_NEWLINE: - /* Preserve newline just for the sake of line numbering. */ - endof = input; - found_eol = 1; - break; - - case SL_PP_EOF: - endof = input; - found_eof = 1; - found_eol = 1; - break; - - default: - break; - } - } - - if (name == context->dict._if) { - struct sl_pp_token_buffer buffer; - - result = sl_pp_token_peek_to_buffer(&peek, &buffer); - if (result == 0) { - result = sl_pp_process_if(context, &buffer); - sl_pp_token_buffer_destroy(&buffer); - } - } else if (name == context->dict.ifdef) { - result = sl_pp_process_ifdef(context, peek.tokens, 0, peek.size - 1); - } else if (name == context->dict.ifndef) { - result = sl_pp_process_ifndef(context, peek.tokens, 0, peek.size - 1); - } else if (name == context->dict.elif) { - struct sl_pp_token_buffer buffer; - - result = sl_pp_token_peek_to_buffer(&peek, &buffer); - if (result == 0) { - result = sl_pp_process_elif(context, &buffer); - sl_pp_token_buffer_destroy(&buffer); - } - } else if (name == context->dict._else) { - result = sl_pp_process_else(context, peek.tokens, 0, peek.size - 1); - } else if (name == context->dict.endif) { - result = sl_pp_process_endif(context, peek.tokens, 0, peek.size - 1); - } else if (context->if_value) { - if (name == context->dict.define) { - result = sl_pp_process_define(context, peek.tokens, 0, peek.size - 1); - } else if (name == context->dict.error) { - sl_pp_process_error(context, peek.tokens, 0, peek.size - 1); - result = -1; - } else if (name == context->dict.extension) { - result = sl_pp_process_extension(context, peek.tokens, 0, peek.size - 1, &context->process_state); - } else if (name == context->dict.line) { - struct sl_pp_token_buffer buffer; - - result = sl_pp_token_peek_to_buffer(&peek, &buffer); - if (result == 0) { - result = sl_pp_process_line(context, &buffer, &context->process_state); - sl_pp_token_buffer_destroy(&buffer); - } - } else if (name == context->dict.pragma) { - result = sl_pp_process_pragma(context, peek.tokens, 0, peek.size - 1, &context->process_state); - } else if (name == context->dict.undef) { - result = sl_pp_process_undef(context, peek.tokens, 0, peek.size - 1); - } else { - strcpy(context->error_msg, "unrecognised directive name"); - result = -1; - } - } - - sl_pp_token_peek_commit(&peek); - sl_pp_token_peek_destroy(&peek); - - if (result) { - return result; - } - - if (sl_pp_process_out(&context->process_state, &endof)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - context->line++; - } - break; - - case SL_PP_NEWLINE: - /* Empty directive. */ - if (sl_pp_process_out(&context->process_state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - context->line++; - break; - - case SL_PP_EOF: - /* Empty directive. */ - if (sl_pp_process_out(&context->process_state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - found_eof = 1; - break; - - default: - strcpy(context->error_msg, "expected a directive name"); - return -1; - } - } else { - int found_eol = 0; - - sl_pp_token_buffer_unget(&context->tokens, &input); - - while (!found_eol) { - if (sl_pp_token_buffer_get(&context->tokens, &input)) { - return -1; - } - - switch (input.token) { - case SL_PP_WHITESPACE: - /* Drop whitespace all together at this point. */ - break; - - case SL_PP_NEWLINE: - /* Preserve newline just for the sake of line numbering. */ - if (sl_pp_process_out(&context->process_state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - context->line++; - found_eol = 1; - break; - - case SL_PP_EOF: - if (sl_pp_process_out(&context->process_state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - found_eof = 1; - found_eol = 1; - break; - - case SL_PP_IDENTIFIER: - sl_pp_token_buffer_unget(&context->tokens, &input); - if (sl_pp_macro_expand(context, &context->tokens, NULL, &context->process_state, - context->if_value ? sl_pp_macro_expand_normal : sl_pp_macro_expand_mute)) { - return -1; - } - break; - - default: - if (context->if_value) { - if (sl_pp_process_out(&context->process_state, &input)) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - } - } - } - } - - if (found_eof) { - if (context->if_ptr != SL_PP_MAX_IF_NESTING) { - strcpy(context->error_msg, "expected `#endif' directive"); - return -1; - } - } - } -} - -int -sl_pp_process(struct sl_pp_context *context, - struct sl_pp_token_info **output) -{ - struct sl_pp_process_state state; - - memset(&state, 0, sizeof(state)); - for (;;) { - struct sl_pp_token_info input; - - if (sl_pp_process_get(context, &input)) { - free(state.out); - return -1; - } - if (sl_pp_process_out(&state, &input)) { - free(state.out); - return -1; - } - if (input.token == SL_PP_EOF) { - *output = state.out; - return 0; - } - } -} diff --git a/src/glsl/pp/sl_pp_process.h b/src/glsl/pp/sl_pp_process.h deleted file mode 100644 index 04e9be43989..00000000000 --- a/src/glsl/pp/sl_pp_process.h +++ /dev/null @@ -1,113 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_PROCESS_H -#define SL_PP_PROCESS_H - -struct sl_pp_context; -struct sl_pp_token_buffer; - -struct sl_pp_process_state { - struct sl_pp_token_info *out; - unsigned int out_len; - unsigned int out_max; -}; - -int -sl_pp_process_define(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_undef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_if(struct sl_pp_context *context, - struct sl_pp_token_buffer *input); - -int -sl_pp_process_ifdef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_ifndef(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_elif(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer); - -int -sl_pp_process_else(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_endif(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -void -sl_pp_process_error(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last); - -int -sl_pp_process_pragma(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last, - struct sl_pp_process_state *state); - -int -sl_pp_process_extension(struct sl_pp_context *context, - const struct sl_pp_token_info *input, - unsigned int first, - unsigned int last, - struct sl_pp_process_state *state); - -int -sl_pp_process_line(struct sl_pp_context *context, - struct sl_pp_token_buffer *buffer, - struct sl_pp_process_state *state); - -int -sl_pp_process_out(struct sl_pp_process_state *state, - const struct sl_pp_token_info *token); - -#endif /* SL_PP_PROCESS_H */ diff --git a/src/glsl/pp/sl_pp_public.h b/src/glsl/pp/sl_pp_public.h deleted file mode 100644 index 66ced6cf589..00000000000 --- a/src/glsl/pp/sl_pp_public.h +++ /dev/null @@ -1,79 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_PUBLIC_H -#define SL_PP_PUBLIC_H - -struct sl_pp_context; -struct sl_pp_purify_options; -struct sl_pp_token_info; - -struct sl_pp_context * -sl_pp_context_create(const char *input, - const struct sl_pp_purify_options *options); - -void -sl_pp_context_destroy(struct sl_pp_context *context); - -const char * -sl_pp_context_error_message(const struct sl_pp_context *context); - -void -sl_pp_context_error_position(const struct sl_pp_context *context, - unsigned int *file, - unsigned int *line); - -int -sl_pp_context_add_extension(struct sl_pp_context *context, - const char *name); - -int -sl_pp_context_add_predefined(struct sl_pp_context *context, - const char *name, - const char *value); - -int -sl_pp_context_add_unique_str(struct sl_pp_context *context, - const char *str); - -const char * -sl_pp_context_cstr(const struct sl_pp_context *context, - int offset); - -int -sl_pp_version(struct sl_pp_context *context, - unsigned int *version); - -int -sl_pp_process_get(struct sl_pp_context *context, - struct sl_pp_token_info *output); - -int -sl_pp_process(struct sl_pp_context *context, - struct sl_pp_token_info **output); - -#endif /* SL_PP_PUBLIC_H */ diff --git a/src/glsl/pp/sl_pp_purify.c b/src/glsl/pp/sl_pp_purify.c deleted file mode 100644 index acc000cf3dd..00000000000 --- a/src/glsl/pp/sl_pp_purify.c +++ /dev/null @@ -1,302 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <stdarg.h> -#include <stdio.h> -#include "sl_pp_purify.h" - - -/* - * Preprocessor purifier performs the following tasks. - * - Convert all variants of newlines into a Unix newline. - * - Merge continued lines into a single long line. - * - Remove line comments and replace block comments with whitespace. - */ - - -static unsigned int -_purify_newline(const char *input, - char *out, - unsigned int *current_line) -{ - if (input[0] == '\n') { - *out = '\n'; - (*current_line)++; - if (input[1] == '\r') { - /* - * The GLSL spec is not explicit about whether this - * combination is a valid newline or not. - * Let's assume it is acceptable. - */ - return 2; - } - return 1; - } - if (input[0] == '\r') { - *out = '\n'; - (*current_line)++; - if (input[1] == '\n') { - return 2; - } - return 1; - } - *out = input[0]; - return 1; -} - - -static unsigned int -_purify_backslash(const char *input, - char *out, - unsigned int *current_line) -{ - unsigned int eaten = 0; - - for (;;) { - if (input[0] == '\\') { - char next; - unsigned int next_eaten; - unsigned int next_line = *current_line; - - eaten++; - input++; - - next_eaten = _purify_newline(input, &next, &next_line); - if (next == '\n') { - /* - * If this is really a line continuation sequence, eat - * it and do not exit the loop. - */ - eaten += next_eaten; - input += next_eaten; - *current_line = next_line; - } else { - /* - * It is an error to put anything between a backslash - * and a newline and still expect it to behave like a line - * continuation sequence. - * Even if it is an innocent whitespace. - */ - *out = '\\'; - break; - } - } else { - eaten += _purify_newline(input, out, current_line); - break; - } - } - return eaten; -} - - -static void -_report_error(char *buf, - unsigned int cbbuf, - const char *msg, - ...) -{ - va_list args; - - va_start(args, msg); - vsnprintf(buf, cbbuf, msg, args); - va_end(args); -} - - -void -sl_pp_purify_state_init(struct sl_pp_purify_state *state, - const char *input, - const struct sl_pp_purify_options *options) -{ - state->options = *options; - state->input = input; - state->current_line = 1; - state->inside_c_comment = 0; -} - - -static unsigned int -_purify_comment(struct sl_pp_purify_state *state, - char *output, - unsigned int *current_line, - char *errormsg, - unsigned int cberrormsg) -{ - for (;;) { - unsigned int eaten; - char next; - - eaten = _purify_backslash(state->input, &next, current_line); - state->input += eaten; - while (next == '*') { - eaten = _purify_backslash(state->input, &next, current_line); - state->input += eaten; - if (next == '/') { - *output = ' '; - state->inside_c_comment = 0; - return 1; - } - } - if (next == '\n') { - *output = '\n'; - state->inside_c_comment = 1; - return 1; - } - if (next == '\0') { - _report_error(errormsg, cberrormsg, "expected `*/' but end of translation unit found"); - return 0; - } - } -} - - -unsigned int -sl_pp_purify_getc(struct sl_pp_purify_state *state, - char *output, - unsigned int *current_line, - char *errormsg, - unsigned int cberrormsg) -{ - unsigned int eaten; - - if (state->inside_c_comment) { - return _purify_comment(state, output, current_line, errormsg, cberrormsg); - } - - eaten = _purify_backslash(state->input, output, current_line); - state->input += eaten; - if (*output == '/') { - char next; - unsigned int next_line = *current_line; - - eaten = _purify_backslash(state->input, &next, &next_line); - if (next == '/') { - state->input += eaten; - *current_line = next_line; - - /* Replace a line comment with either a newline or nil. */ - for (;;) { - eaten = _purify_backslash(state->input, &next, current_line); - state->input += eaten; - if (next == '\n' || next == '\0') { - *output = next; - return eaten; - } - } - } else if (next == '*') { - state->input += eaten; - *current_line = next_line; - - return _purify_comment(state, output, current_line, errormsg, cberrormsg); - } - } - return eaten; -} - - -struct out_buf { - char *out; - unsigned int len; - unsigned int capacity; - unsigned int current_line; - char *errormsg; - unsigned int cberrormsg; -}; - - -static int -_out_buf_putc(struct out_buf *obuf, - char c) -{ - if (obuf->len >= obuf->capacity) { - unsigned int new_max = obuf->capacity; - - if (new_max < 0x100) { - new_max = 0x100; - } else if (new_max < 0x10000) { - new_max *= 2; - } else { - new_max += 0x10000; - } - - obuf->out = realloc(obuf->out, new_max); - if (!obuf->out) { - _report_error(obuf->errormsg, obuf->cberrormsg, "out of memory"); - return -1; - } - obuf->capacity = new_max; - } - - obuf->out[obuf->len++] = c; - - return 0; -} - - -int -sl_pp_purify(const char *input, - const struct sl_pp_purify_options *options, - char **output, - char *errormsg, - unsigned int cberrormsg, - unsigned int *errorline) -{ - struct out_buf obuf; - struct sl_pp_purify_state state; - - obuf.out = NULL; - obuf.len = 0; - obuf.capacity = 0; - obuf.current_line = 1; - obuf.errormsg = errormsg; - obuf.cberrormsg = cberrormsg; - - sl_pp_purify_state_init(&state, input, options); - - for (;;) { - unsigned int eaten; - char c; - - eaten = sl_pp_purify_getc(&state, &c, &obuf.current_line, errormsg, cberrormsg); - if (!eaten) { - *errorline = obuf.current_line; - return -1; - } - if (_out_buf_putc(&obuf, c)) { - *errorline = obuf.current_line; - return -1; - } - - if (c == '\0') { - break; - } - } - - *output = obuf.out; - return 0; -} diff --git a/src/glsl/pp/sl_pp_purify.h b/src/glsl/pp/sl_pp_purify.h deleted file mode 100644 index c0f55cbfd89..00000000000 --- a/src/glsl/pp/sl_pp_purify.h +++ /dev/null @@ -1,63 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_PURIFY_H -#define SL_PP_PURIFY_H - -struct sl_pp_purify_options { - unsigned int preserve_columns:1; - unsigned int tab_width:4; -}; - -int -sl_pp_purify(const char *input, - const struct sl_pp_purify_options *options, - char **output, - char *errormsg, - unsigned int cberrormsg, - unsigned int *errorline); - -struct sl_pp_purify_state { - struct sl_pp_purify_options options; - const char *input; - unsigned int current_line; - unsigned int inside_c_comment:1; -}; - -void -sl_pp_purify_state_init(struct sl_pp_purify_state *state, - const char *input, - const struct sl_pp_purify_options *options); - -unsigned int -sl_pp_purify_getc(struct sl_pp_purify_state *state, - char *output, - unsigned int *current_line, - char *errormsg, - unsigned int cberrormsg); - -#endif /* SL_PP_PURIFY_H */ diff --git a/src/glsl/pp/sl_pp_token.c b/src/glsl/pp/sl_pp_token.c deleted file mode 100644 index a7089787005..00000000000 --- a/src/glsl/pp/sl_pp_token.c +++ /dev/null @@ -1,854 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include "sl_pp_public.h" -#include "sl_pp_context.h" -#include "sl_pp_token.h" - - -#define PURE_ERROR 256 - -static int -_pure_getc(struct sl_pp_context *context) -{ - char c; - - if (context->getc_buf_size) { - return context->getc_buf[--context->getc_buf_size]; - } - - if (sl_pp_purify_getc(&context->pure, &c, &context->error_line, context->error_msg, sizeof(context->error_msg)) == 0) { - return PURE_ERROR; - } - return c; -} - - -static void -_pure_ungetc(struct sl_pp_context *context, - int c) -{ - assert(c != PURE_ERROR); - - if (context->getc_buf_size == context->getc_buf_capacity) { - context->getc_buf_capacity += 64; - context->getc_buf = realloc(context->getc_buf, context->getc_buf_capacity * sizeof(char)); - assert(context->getc_buf); - } - - context->getc_buf[context->getc_buf_size++] = (char)c; -} - - -struct lookahead_state { - char buf[256]; - unsigned int pos; - struct sl_pp_context *context; -}; - - -static void -_lookahead_init(struct lookahead_state *lookahead, - struct sl_pp_context *context) -{ - lookahead->pos = 0; - lookahead->context = context; -} - - -static unsigned int -_lookahead_tell(const struct lookahead_state *lookahead) -{ - return lookahead->pos; -} - - -static const void * -_lookahead_buf(const struct lookahead_state *lookahead) -{ - return lookahead->buf; -} - - -static void -_lookahead_revert(struct lookahead_state *lookahead, - unsigned int pos) -{ - assert(pos <= lookahead->pos); - - while (lookahead->pos > pos) { - _pure_ungetc(lookahead->context, lookahead->buf[--lookahead->pos]); - } -} - - -static int -_lookahead_getc(struct lookahead_state *lookahead) -{ - int c; - - assert(lookahead->pos < sizeof(lookahead->buf) / sizeof(lookahead->buf[0])); - - c = _pure_getc(lookahead->context); - if (c != PURE_ERROR) { - lookahead->buf[lookahead->pos++] = (char)c; - } - return c; -} - - -static int -_is_identifier_char(char c) -{ - return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_'; -} - - -static int -_tokenise_identifier(struct sl_pp_context *context, - struct sl_pp_token_info *out) -{ - int c; - char identifier[256]; /* XXX: Remove this artifical limit. */ - unsigned int i = 0; - - out->token = SL_PP_IDENTIFIER; - out->data.identifier = -1; - - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - identifier[i++] = (char)c; - for (;;) { - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - - if (_is_identifier_char((char)c)) { - if (i >= sizeof(identifier) / sizeof(char) - 1) { - strcpy(context->error_msg, "out of memory"); - _pure_ungetc(context, c); - while (i) { - _pure_ungetc(context, identifier[--i]); - } - return -1; - } - identifier[i++] = (char)c; - } else { - _pure_ungetc(context, c); - break; - } - } - identifier[i] = '\0'; - - out->data.identifier = sl_pp_context_add_unique_str(context, identifier); - if (out->data.identifier == -1) { - while (i) { - _pure_ungetc(context, identifier[--i]); - } - return -1; - } - - return 0; -} - - -/* - * Return the number of consecutive decimal digits in the input stream. - */ -static unsigned int -_parse_float_digits(struct lookahead_state *lookahead) -{ - unsigned int eaten; - - for (eaten = 0;; eaten++) { - unsigned int pos = _lookahead_tell(lookahead); - char c = _lookahead_getc(lookahead); - - if (c < '0' || c > '9') { - _lookahead_revert(lookahead, pos); - break; - } - } - return eaten; -} - - -/* - * Try to match one of the following patterns for the fractional part - * of a floating point number. - * - * digits . [digits] - * . digits - * - * Return 0 if the pattern could not be matched, otherwise the number - * of eaten characters from the input stream. - */ -static unsigned int -_parse_float_frac(struct lookahead_state *lookahead) -{ - unsigned int pos; - int c; - unsigned int eaten; - - pos = _lookahead_tell(lookahead); - c = _lookahead_getc(lookahead); - if (c == '.') { - eaten = _parse_float_digits(lookahead); - if (eaten) { - return eaten + 1; - } - _lookahead_revert(lookahead, pos); - return 0; - } - - _lookahead_revert(lookahead, pos); - eaten = _parse_float_digits(lookahead); - if (eaten) { - c = _lookahead_getc(lookahead); - if (c == '.') { - return eaten + 1 + _parse_float_digits(lookahead); - } - } - - _lookahead_revert(lookahead, pos); - return 0; -} - - -/* - * Try to match the following pattern for the exponential part - * of a floating point number. - * - * (e|E) [(+|-)] digits - * - * Return 0 if the pattern could not be matched, otherwise the number - * of eaten characters from the input stream. - */ -static unsigned int -_parse_float_exp(struct lookahead_state *lookahead) -{ - unsigned int pos, pos2; - int c; - unsigned int eaten, digits; - - pos = _lookahead_tell(lookahead); - c = _lookahead_getc(lookahead); - if (c != 'e' && c != 'E') { - _lookahead_revert(lookahead, pos); - return 0; - } - - pos2 = _lookahead_tell(lookahead); - c = _lookahead_getc(lookahead); - if (c == '-' || c == '+') { - eaten = 2; - } else { - _lookahead_revert(lookahead, pos2); - eaten = 1; - } - - digits = _parse_float_digits(lookahead); - if (!digits) { - _lookahead_revert(lookahead, pos); - return 0; - } - - return eaten + digits; -} - - -/* - * Try to match one of the following patterns for a floating point number. - * - * fract [exp] [(f|F)] - * digits exp [(f|F)] - * - * Return 0 if the pattern could not be matched, otherwise the number - * of eaten characters from the input stream. - */ -static unsigned int -_parse_float(struct lookahead_state *lookahead) -{ - unsigned int eaten; - - eaten = _parse_float_frac(lookahead); - if (eaten) { - unsigned int pos; - int c; - - eaten += _parse_float_exp(lookahead); - - pos = _lookahead_tell(lookahead); - c = _lookahead_getc(lookahead); - if (c == 'f' || c == 'F') { - eaten++; - } else { - _lookahead_revert(lookahead, pos); - } - - return eaten; - } - - eaten = _parse_float_digits(lookahead); - if (eaten) { - unsigned int exponent; - - exponent = _parse_float_exp(lookahead); - if (exponent) { - unsigned int pos; - int c; - - eaten += exponent; - - pos = _lookahead_tell(lookahead); - c = _lookahead_getc(lookahead); - if (c == 'f' || c == 'F') { - eaten++; - } else { - _lookahead_revert(lookahead, pos); - } - - return eaten; - } - } - - _lookahead_revert(lookahead, 0); - return 0; -} - - -static unsigned int -_parse_hex(struct lookahead_state *lookahead) -{ - int c; - unsigned int n; - - c = _lookahead_getc(lookahead); - if (c != '0') { - _lookahead_revert(lookahead, 0); - return 0; - } - - c = _lookahead_getc(lookahead); - if (c != 'x' && c != 'X') { - _lookahead_revert(lookahead, 0); - return 0; - } - - for (n = 2;;) { - unsigned int pos = _lookahead_tell(lookahead); - - c = _lookahead_getc(lookahead); - if ((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F')) { - n++; - } else { - _lookahead_revert(lookahead, pos); - break; - } - } - - if (n > 2) { - return n; - } - - _lookahead_revert(lookahead, 0); - return 0; -} - - -static unsigned int -_parse_oct(struct lookahead_state *lookahead) -{ - int c; - unsigned int n; - - c = _lookahead_getc(lookahead); - if (c != '0') { - _lookahead_revert(lookahead, 0); - return 0; - } - - for (n = 1;;) { - unsigned int pos = _lookahead_tell(lookahead); - - c = _lookahead_getc(lookahead); - if ((c >= '0' && c <= '7')) { - n++; - } else { - _lookahead_revert(lookahead, pos); - break; - } - } - - return n; -} - - -static unsigned int -_parse_dec(struct lookahead_state *lookahead) -{ - unsigned int n = 0; - - for (;;) { - unsigned int pos = _lookahead_tell(lookahead); - int c = _lookahead_getc(lookahead); - - if ((c >= '0' && c <= '9')) { - n++; - } else { - _lookahead_revert(lookahead, pos); - break; - } - } - - return n; -} - - -static int -_tokenise_number(struct sl_pp_context *context, - struct sl_pp_token_info *out) -{ - struct lookahead_state lookahead; - unsigned int eaten; - unsigned int is_float = 0; - unsigned int pos; - int c; - char number[256]; /* XXX: Remove this artifical limit. */ - - _lookahead_init(&lookahead, context); - - eaten = _parse_float(&lookahead); - if (!eaten) { - eaten = _parse_hex(&lookahead); - if (!eaten) { - eaten = _parse_oct(&lookahead); - if (!eaten) { - eaten = _parse_dec(&lookahead); - } - } - } else { - is_float = 1; - } - - if (!eaten) { - strcpy(context->error_msg, "expected a number"); - return -1; - } - - pos = _lookahead_tell(&lookahead); - c = _lookahead_getc(&lookahead); - _lookahead_revert(&lookahead, pos); - - if (_is_identifier_char(c)) { - strcpy(context->error_msg, "expected a number"); - _lookahead_revert(&lookahead, 0); - return -1; - } - - if (eaten > sizeof(number) - 1) { - strcpy(context->error_msg, "out of memory"); - _lookahead_revert(&lookahead, 0); - return -1; - } - - assert(_lookahead_tell(&lookahead) == eaten); - - memcpy(number, _lookahead_buf(&lookahead), eaten); - number[eaten] = '\0'; - - if (is_float) { - out->token = SL_PP_FLOAT; - out->data._float = sl_pp_context_add_unique_str(context, number); - if (out->data._float == -1) { - _lookahead_revert(&lookahead, 0); - return -1; - } - } else { - out->token = SL_PP_UINT; - out->data._uint = sl_pp_context_add_unique_str(context, number); - if (out->data._uint == -1) { - _lookahead_revert(&lookahead, 0); - return -1; - } - } - - return 0; -} - - -int -sl_pp_token_get(struct sl_pp_context *context, - struct sl_pp_token_info *out) -{ - int c = _pure_getc(context); - - switch (c) { - case ' ': - case '\t': - out->token = SL_PP_WHITESPACE; - break; - - case '\n': - out->token = SL_PP_NEWLINE; - break; - - case '#': - out->token = SL_PP_HASH; - break; - - case ',': - out->token = SL_PP_COMMA; - break; - - case ';': - out->token = SL_PP_SEMICOLON; - break; - - case '{': - out->token = SL_PP_LBRACE; - break; - - case '}': - out->token = SL_PP_RBRACE; - break; - - case '(': - out->token = SL_PP_LPAREN; - break; - - case ')': - out->token = SL_PP_RPAREN; - break; - - case '[': - out->token = SL_PP_LBRACKET; - break; - - case ']': - out->token = SL_PP_RBRACKET; - break; - - case '.': - { - int c2 = _pure_getc(context); - - if (c2 == PURE_ERROR) { - return -1; - } - if (c2 >= '0' && c2 <= '9') { - _pure_ungetc(context, c2); - _pure_ungetc(context, c); - if (_tokenise_number(context, out)) { - return -1; - } - } else { - _pure_ungetc(context, c2); - out->token = SL_PP_DOT; - } - } - break; - - case '+': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '+') { - out->token = SL_PP_INCREMENT; - } else if (c == '=') { - out->token = SL_PP_ADDASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_PLUS; - } - break; - - case '-': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '-') { - out->token = SL_PP_DECREMENT; - } else if (c == '=') { - out->token = SL_PP_SUBASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_MINUS; - } - break; - - case '~': - out->token = SL_PP_BITNOT; - break; - - case '!': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_NOTEQUAL; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_NOT; - } - break; - - case '*': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_MULASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_STAR; - } - break; - - case '/': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_DIVASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_SLASH; - } - break; - - case '%': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_MODASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_MODULO; - } - break; - - case '<': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '<') { - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_LSHIFTASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_LSHIFT; - } - } else if (c == '=') { - out->token = SL_PP_LESSEQUAL; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_LESS; - } - break; - - case '>': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '>') { - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_RSHIFTASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_RSHIFT; - } - } else if (c == '=') { - out->token = SL_PP_GREATEREQUAL; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_GREATER; - } - break; - - case '=': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '=') { - out->token = SL_PP_EQUAL; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_ASSIGN; - } - break; - - case '&': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '&') { - out->token = SL_PP_AND; - } else if (c == '=') { - out->token = SL_PP_BITANDASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_BITAND; - } - break; - - case '^': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '^') { - out->token = SL_PP_XOR; - } else if (c == '=') { - out->token = SL_PP_BITXORASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_BITXOR; - } - break; - - case '|': - c = _pure_getc(context); - if (c == PURE_ERROR) { - return -1; - } - if (c == '|') { - out->token = SL_PP_OR; - } else if (c == '=') { - out->token = SL_PP_BITORASSIGN; - } else { - _pure_ungetc(context, c); - out->token = SL_PP_BITOR; - } - break; - - case '?': - out->token = SL_PP_QUESTION; - break; - - case ':': - out->token = SL_PP_COLON; - break; - - case '\0': - out->token = SL_PP_EOF; - break; - - case PURE_ERROR: - return -1; - - default: - if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_') { - _pure_ungetc(context, c); - if (_tokenise_identifier(context, out)) { - return -1; - } - } else if (c >= '0' && c <= '9') { - _pure_ungetc(context, c); - if (_tokenise_number(context, out)) { - return -1; - } - } else { - out->data.other = c; - out->token = SL_PP_OTHER; - } - } - - return 0; -} - - -int -sl_pp_tokenise(struct sl_pp_context *context, - struct sl_pp_token_info **output) -{ - struct sl_pp_token_info *out = NULL; - unsigned int out_len = 0; - unsigned int out_max = 0; - - for (;;) { - struct sl_pp_token_info info; - - if (sl_pp_token_buffer_get(&context->tokens, &info)) { - free(out); - return -1; - } - - if (out_len >= out_max) { - unsigned int new_max = out_max; - - if (new_max < 0x100) { - new_max = 0x100; - } else if (new_max < 0x10000) { - new_max *= 2; - } else { - new_max += 0x10000; - } - - out = realloc(out, new_max * sizeof(struct sl_pp_token_info)); - if (!out) { - strcpy(context->error_msg, "out of memory"); - return -1; - } - out_max = new_max; - } - - out[out_len++] = info; - - if (info.token == SL_PP_EOF) { - break; - } - } - - *output = out; - return 0; -} diff --git a/src/glsl/pp/sl_pp_token.h b/src/glsl/pp/sl_pp_token.h deleted file mode 100644 index a12b1934018..00000000000 --- a/src/glsl/pp/sl_pp_token.h +++ /dev/null @@ -1,133 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_TOKEN_H -#define SL_PP_TOKEN_H - - -struct sl_pp_context; - -enum sl_pp_token { - SL_PP_WHITESPACE, - SL_PP_NEWLINE, - SL_PP_HASH, /* # */ - - SL_PP_COMMA, /* , */ - SL_PP_SEMICOLON, /* ; */ - SL_PP_LBRACE, /* { */ - SL_PP_RBRACE, /* } */ - SL_PP_LPAREN, /* ( */ - SL_PP_RPAREN, /* ) */ - SL_PP_LBRACKET, /* [ */ - SL_PP_RBRACKET, /* ] */ - SL_PP_DOT, /* . */ - SL_PP_INCREMENT, /* ++ */ - SL_PP_ADDASSIGN, /* += */ - SL_PP_PLUS, /* + */ - SL_PP_DECREMENT, /* -- */ - SL_PP_SUBASSIGN, /* -= */ - SL_PP_MINUS, /* - */ - SL_PP_BITNOT, /* ~ */ - SL_PP_NOTEQUAL, /* != */ - SL_PP_NOT, /* ! */ - SL_PP_MULASSIGN, /* *= */ - SL_PP_STAR, /* * */ - SL_PP_DIVASSIGN, /* /= */ - SL_PP_SLASH, /* / */ - SL_PP_MODASSIGN, /* %= */ - SL_PP_MODULO, /* % */ - SL_PP_LSHIFTASSIGN, /* <<= */ - SL_PP_LSHIFT, /* << */ - SL_PP_LESSEQUAL, /* <= */ - SL_PP_LESS, /* < */ - SL_PP_RSHIFTASSIGN, /* >>= */ - SL_PP_RSHIFT, /* >> */ - SL_PP_GREATEREQUAL, /* >= */ - SL_PP_GREATER, /* > */ - SL_PP_EQUAL, /* == */ - SL_PP_ASSIGN, /* = */ - SL_PP_AND, /* && */ - SL_PP_BITANDASSIGN, /* &= */ - SL_PP_BITAND, /* & */ - SL_PP_XOR, /* ^^ */ - SL_PP_BITXORASSIGN, /* ^= */ - SL_PP_BITXOR, /* ^ */ - SL_PP_OR, /* || */ - SL_PP_BITORASSIGN, /* |= */ - SL_PP_BITOR, /* | */ - SL_PP_QUESTION, /* ? */ - SL_PP_COLON, /* : */ - - SL_PP_IDENTIFIER, - - SL_PP_UINT, - SL_PP_FLOAT, - - SL_PP_OTHER, - - SL_PP_PRAGMA_OPTIMIZE, - SL_PP_PRAGMA_DEBUG, - - SL_PP_EXTENSION_REQUIRE, - SL_PP_EXTENSION_ENABLE, - SL_PP_EXTENSION_WARN, - SL_PP_EXTENSION_DISABLE, - - SL_PP_LINE, - - SL_PP_EOF -}; - -union sl_pp_token_data { - int identifier; - int _uint; - int _float; - char other; - int pragma; - int extension; - struct { - unsigned int lineno: 24; - unsigned int fileno: 8; - } line; -}; - -struct sl_pp_token_info { - enum sl_pp_token token; - union sl_pp_token_data data; -}; - -struct sl_pp_purify_options; - -int -sl_pp_token_get(struct sl_pp_context *context, - struct sl_pp_token_info *out); - -int -sl_pp_tokenise(struct sl_pp_context *context, - struct sl_pp_token_info **output); - -#endif /* SL_PP_TOKEN_H */ diff --git a/src/glsl/pp/sl_pp_token_util.c b/src/glsl/pp/sl_pp_token_util.c deleted file mode 100644 index 43be49670b0..00000000000 --- a/src/glsl/pp/sl_pp_token_util.c +++ /dev/null @@ -1,183 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <assert.h> -#include <stdlib.h> -#include "sl_pp_token_util.h" -#include "sl_pp_token.h" - - -int -sl_pp_token_buffer_init(struct sl_pp_token_buffer *buffer, - struct sl_pp_context *context) -{ - buffer->context = context; - buffer->size = 0; - buffer->capacity = 64; - buffer->tokens = malloc(buffer->capacity * sizeof(struct sl_pp_token_info)); - if (!buffer->tokens) { - return -1; - } - return 0; -} - -void -sl_pp_token_buffer_destroy(struct sl_pp_token_buffer *buffer) -{ - free(buffer->tokens); -} - -int -sl_pp_token_buffer_get(struct sl_pp_token_buffer *buffer, - struct sl_pp_token_info *out) -{ - /* Pop from stack first if not empty. */ - if (buffer->size) { - *out = buffer->tokens[--buffer->size]; - return 0; - } - - assert(buffer->context); - return sl_pp_token_get(buffer->context, out); -} - -void -sl_pp_token_buffer_unget(struct sl_pp_token_buffer *buffer, - const struct sl_pp_token_info *in) -{ - /* Resize if needed. */ - if (buffer->size == buffer->capacity) { - buffer->capacity += 64; - buffer->tokens = realloc(buffer->tokens, - buffer->capacity * sizeof(struct sl_pp_token_info)); - assert(buffer->tokens); - } - - /* Push token on stack. */ - buffer->tokens[buffer->size++] = *in; -} - -int -sl_pp_token_buffer_skip_white(struct sl_pp_token_buffer *buffer, - struct sl_pp_token_info *out) -{ - if (sl_pp_token_buffer_get(buffer, out)) { - return -1; - } - - while (out->token == SL_PP_WHITESPACE) { - if (sl_pp_token_buffer_get(buffer, out)) { - return -1; - } - } - - return 0; -} - - - -int -sl_pp_token_peek_init(struct sl_pp_token_peek *peek, - struct sl_pp_token_buffer *buffer) -{ - peek->buffer = buffer; - peek->size = 0; - peek->capacity = 64; - peek->tokens = malloc(peek->capacity * sizeof(struct sl_pp_token_info)); - if (!peek->tokens) { - return -1; - } - return 0; -} - -void -sl_pp_token_peek_destroy(struct sl_pp_token_peek *peek) -{ - /* Abort. */ - while (peek->size) { - sl_pp_token_buffer_unget(peek->buffer, &peek->tokens[--peek->size]); - } - free(peek->tokens); -} - -int -sl_pp_token_peek_get(struct sl_pp_token_peek *peek, - struct sl_pp_token_info *out) -{ - /* Get token from buffer. */ - if (sl_pp_token_buffer_get(peek->buffer, out)) { - return -1; - } - - /* Save it. */ - if (peek->size == peek->capacity) { - peek->capacity += 64; - peek->tokens = realloc(peek->tokens, - peek->capacity * sizeof(struct sl_pp_token_info)); - assert(peek->tokens); - } - peek->tokens[peek->size++] = *out; - return 0; -} - -void -sl_pp_token_peek_commit(struct sl_pp_token_peek *peek) -{ - peek->size = 0; -} - -int -sl_pp_token_peek_to_buffer(const struct sl_pp_token_peek *peek, - struct sl_pp_token_buffer *buffer) -{ - unsigned int i; - - if (sl_pp_token_buffer_init(buffer, NULL)) { - return -1; - } - for (i = peek->size; i > 0; i--) { - sl_pp_token_buffer_unget(buffer, &peek->tokens[i - 1]); - } - return 0; -} - -int -sl_pp_token_peek_skip_white(struct sl_pp_token_peek *peek, - struct sl_pp_token_info *out) -{ - if (sl_pp_token_peek_get(peek, out)) { - return -1; - } - - while (out->token == SL_PP_WHITESPACE) { - if (sl_pp_token_peek_get(peek, out)) { - return -1; - } - } - - return 0; -} diff --git a/src/glsl/pp/sl_pp_token_util.h b/src/glsl/pp/sl_pp_token_util.h deleted file mode 100644 index 35d72101ca5..00000000000 --- a/src/glsl/pp/sl_pp_token_util.h +++ /dev/null @@ -1,98 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef SL_PP_TOKEN_UTIL_H -#define SL_PP_TOKEN_UTIL_H - -struct sl_pp_context; - -/* - * A token buffer allows one to get and unget a token - * from a preprocessor context. - */ -struct sl_pp_token_buffer { - struct sl_pp_context *context; - unsigned int size; - unsigned int capacity; - struct sl_pp_token_info *tokens; -}; - -int -sl_pp_token_buffer_init(struct sl_pp_token_buffer *buffer, - struct sl_pp_context *context); - -void -sl_pp_token_buffer_destroy(struct sl_pp_token_buffer *buffer); - -int -sl_pp_token_buffer_get(struct sl_pp_token_buffer *buffer, - struct sl_pp_token_info *out); - -void -sl_pp_token_buffer_unget(struct sl_pp_token_buffer *buffer, - const struct sl_pp_token_info *in); - -int -sl_pp_token_buffer_skip_white(struct sl_pp_token_buffer *buffer, - struct sl_pp_token_info *out); - - -/* - * A token peek allows one to get a number of tokens from a buffer - * and then either commit the operation or abort it, - * effectively ungetting the peeked tokens. - */ -struct sl_pp_token_peek { - struct sl_pp_token_buffer *buffer; - unsigned int size; - unsigned int capacity; - struct sl_pp_token_info *tokens; -}; - -int -sl_pp_token_peek_init(struct sl_pp_token_peek *peek, - struct sl_pp_token_buffer *buffer); - -void -sl_pp_token_peek_destroy(struct sl_pp_token_peek *peek); - -int -sl_pp_token_peek_get(struct sl_pp_token_peek *peek, - struct sl_pp_token_info *out); - -void -sl_pp_token_peek_commit(struct sl_pp_token_peek *peek); - -int -sl_pp_token_peek_to_buffer(const struct sl_pp_token_peek *peek, - struct sl_pp_token_buffer *buffer); - -int -sl_pp_token_peek_skip_white(struct sl_pp_token_peek *peek, - struct sl_pp_token_info *out); - -#endif /* SL_PP_TOKEN_UTIL_H */ diff --git a/src/glsl/pp/sl_pp_version.c b/src/glsl/pp/sl_pp_version.c deleted file mode 100644 index 6735c05e8ae..00000000000 --- a/src/glsl/pp/sl_pp_version.c +++ /dev/null @@ -1,162 +0,0 @@ -/************************************************************************** - * - * Copyright 2009 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <stdlib.h> -#include <string.h> -#include "sl_pp_public.h" -#include "sl_pp_context.h" -#include "sl_pp_token.h" - - -int -sl_pp_version(struct sl_pp_context *context, - unsigned int *version) -{ - struct sl_pp_token_peek peek; - unsigned int line = context->line; - - /* Default values if `#version' is not present. */ - *version = 110; - - if (sl_pp_token_peek_init(&peek, &context->tokens)) { - return -1; - } - - /* There can be multiple `#version' directives present. - * Accept the value of the last one. - */ - for (;;) { - struct sl_pp_token_info input; - int found_hash = 0; - int found_version = 0; - int found_number = 0; - int found_end = 0; - - /* Skip whitespace and newlines and seek for hash. */ - while (!found_hash) { - if (sl_pp_token_peek_get(&peek, &input)) { - sl_pp_token_peek_destroy(&peek); - return -1; - } - - switch (input.token) { - case SL_PP_NEWLINE: - line++; - break; - - case SL_PP_WHITESPACE: - break; - - case SL_PP_HASH: - found_hash = 1; - break; - - default: - sl_pp_token_peek_destroy(&peek); - return 0; - } - } - - /* Skip whitespace and seek for `version'. */ - while (!found_version) { - if (sl_pp_token_peek_get(&peek, &input)) { - sl_pp_token_peek_destroy(&peek); - return -1; - } - - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_IDENTIFIER: - if (input.data.identifier != context->dict.version) { - sl_pp_token_peek_destroy(&peek); - return 0; - } - found_version = 1; - break; - - default: - sl_pp_token_peek_destroy(&peek); - return 0; - } - } - - sl_pp_token_peek_commit(&peek); - - /* Skip whitespace and seek for version number. */ - while (!found_number) { - if (sl_pp_token_buffer_get(&context->tokens, &input)) { - sl_pp_token_peek_destroy(&peek); - return -1; - } - - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_UINT: - *version = atoi(sl_pp_context_cstr(context, input.data._uint)); - found_number = 1; - break; - - default: - strcpy(context->error_msg, "expected version number after `#version'"); - sl_pp_token_peek_destroy(&peek); - return -1; - } - } - - /* Skip whitespace and seek for either newline or eof. */ - while (!found_end) { - if (sl_pp_token_buffer_get(&context->tokens, &input)) { - sl_pp_token_peek_destroy(&peek); - return -1; - } - - switch (input.token) { - case SL_PP_WHITESPACE: - break; - - case SL_PP_NEWLINE: - line++; - /* pass thru */ - case SL_PP_EOF: - context->line = line; - found_end = 1; - break; - - default: - strcpy(context->error_msg, "expected end of line after version number"); - sl_pp_token_peek_destroy(&peek); - return -1; - } - } - } - - /* Should not get here. */ -} |