diff options
Diffstat (limited to 'src/glsl/cl/sl_cl_parse.c')
| -rw-r--r-- | src/glsl/cl/sl_cl_parse.c | 77 |
1 files changed, 70 insertions, 7 deletions
diff --git a/src/glsl/cl/sl_cl_parse.c b/src/glsl/cl/sl_cl_parse.c index 06224b31ec0..5919186c520 100644 --- a/src/glsl/cl/sl_cl_parse.c +++ b/src/glsl/cl/sl_cl_parse.c @@ -330,6 +330,8 @@ struct parse_context { unsigned int shader_type; unsigned int parsing_builtin; + + char error[256]; }; @@ -362,6 +364,16 @@ _update(struct parse_context *ctx, } +static void +_error(struct parse_context *ctx, + char *msg) +{ + if (ctx->error[0] == '\0') { + strcpy(ctx->error, msg); + } +} + + static int _parse_token(struct parse_context *ctx, enum sl_pp_token token, @@ -648,10 +660,12 @@ _parse_struct_declarator(struct parse_context *ctx, return 0; } if (_parse_constant_expression(ctx, &p)) { - return 0; + _error(ctx, "expected constant integral expression"); + return -1; } if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - return 0; + _error(ctx, "expected `]'"); + return -1; } _update(ctx, e, FIELD_ARRAY); *ps = p; @@ -736,6 +750,7 @@ _parse_struct_specifier(struct parse_context *ctx, _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)) { @@ -853,9 +868,11 @@ _parse_type_specifier_array(struct parse_context *ctx, 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; @@ -963,10 +980,12 @@ _parse_function_identifier(struct parse_context *ctx, return 0; } if (_parse_constant_expression(ctx, &p)) { - return 0; + _error(ctx, "expected constant integral expression"); + return -1; } if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - return 0; + _error(ctx, "expected `]'"); + return -1; } _update(ctx, e, FUNCTION_CALL_ARRAY); *ps = p; @@ -1091,6 +1110,8 @@ _parse_function_call_generic(struct parse_context *ctx, *ps = p; return 0; } + _error(ctx, "expected `)'"); + return -1; } p = *ps; @@ -1099,6 +1120,8 @@ _parse_function_call_generic(struct parse_context *ctx, *ps = p; return 0; } + _error(ctx, "expected `)'"); + return -1; } return -1; @@ -1202,10 +1225,12 @@ _parse_postfix_expression(struct parse_context *ctx, _emit(ctx, &p.out, OP_POSTDECREMENT); } else if (_parse_token(ctx, SL_PP_LBRACKET, &p) == 0) { if (_parse_expression(ctx, &p)) { - return 0; + _error(ctx, "expected an integral expression"); + return -1; } if (_parse_token(ctx, SL_PP_RBRACKET, &p)) { - return 0; + _error(ctx, "expected `]'"); + return -1; } _emit(ctx, &p.out, OP_SUBSCRIPT); } else if (_parse_token(ctx, SL_PP_DOT, &p) == 0) { @@ -1487,9 +1512,11 @@ _parse_parameter_declarator_array(struct parse_context *ctx, 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; @@ -1529,9 +1556,11 @@ _parse_parameter_type_specifier_array(struct parse_context *ctx, 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; @@ -1641,6 +1670,8 @@ _parse_function_prototype(struct parse_context *ctx, *ps = p; return 0; } + _error(ctx, "expected `)'"); + return -1; } } @@ -1651,6 +1682,8 @@ _parse_function_prototype(struct parse_context *ctx, *ps = p; return 0; } + _error(ctx, "expected `)'"); + return -1; } return -1; @@ -1937,12 +1970,15 @@ _parse_selection_statement(struct parse_context *ctx, 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); @@ -2033,10 +2069,12 @@ _parse_condition_initializer(struct parse_context *ctx, 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); @@ -2102,12 +2140,15 @@ _parse_iteration_statement(struct parse_context *ctx, 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)) { @@ -2126,16 +2167,20 @@ _parse_iteration_statement(struct parse_context *ctx, 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; @@ -2145,6 +2190,7 @@ _parse_iteration_statement(struct parse_context *ctx, 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)) { @@ -2154,6 +2200,7 @@ _parse_iteration_statement(struct parse_context *ctx, return -1; } if (_parse_token(ctx, SL_PP_RPAREN, &p)) { + _error(ctx, "expected `)'"); return -1; } if (_parse_statement(ctx, &p)) { @@ -2384,6 +2431,8 @@ _parse_single_declaration(struct parse_context *ctx, *ps = p; return 0; } + _error(ctx, "expected an initialiser"); + return -1; } p = *ps; @@ -2397,6 +2446,8 @@ _parse_single_declaration(struct parse_context *ctx, *ps = p; return 0; } + _error(ctx, "expected `]'"); + return -1; } return 0; } @@ -2434,6 +2485,8 @@ _parse_init_declarator_list(struct parse_context *ctx, *ps = p; continue; } + _error(ctx, "expected an initialiser"); + break; } p = *ps; @@ -2450,6 +2503,8 @@ _parse_init_declarator_list(struct parse_context *ctx, *ps = p; continue; } + _error(ctx, "expected `]'"); + break; } p = *ps; } @@ -2473,6 +2528,7 @@ _parse_declaration(struct parse_context *ctx, _update(ctx, e, DECLARATION_INIT_DECLARATOR_LIST); } if (_parse_token(ctx, SL_PP_SEMICOLON, &p)) { + _error(ctx, "expected `;'"); return -1; } *ps = p; @@ -2511,6 +2567,7 @@ _parse_external_declaration(struct parse_context *ctx, return 0; } + _error(ctx, "expected an identifier"); return -1; } @@ -2548,8 +2605,11 @@ int sl_cl_compile(struct sl_pp_context *context, const struct sl_pp_token_info *input, unsigned int shader_type, + unsigned int parsing_builtin, unsigned char **output, - unsigned int *cboutput) + unsigned int *cboutput, + char *error, + unsigned int cberror) { struct parse_context ctx; struct parse_state ps; @@ -2634,10 +2694,13 @@ sl_cl_compile(struct sl_pp_context *context, ctx.shader_type = shader_type; ctx.parsing_builtin = 1; + ctx.error[0] = '\0'; + ps.in = 0; ps.out = 0; if (_parse_translation_unit(&ctx, &ps)) { + strncpy(error, ctx.error, cberror); return -1; } |