From 620a2bad22e9fe2418f39b3e2d9dccdcc56512d3 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 19 Nov 2008 15:08:46 -0700 Subject: mesa: glsl compiler debug code RETURN0 macro reports file/line before returning zero. (cherry picked from commit bf7f9d2143a892bc11a5e2b84e3d6d3ed69fb5e8) --- src/mesa/shader/slang/slang_compile.c | 292 ++++++++++++++++++---------------- 1 file changed, 151 insertions(+), 141 deletions(-) (limited to 'src/mesa') diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c index 72b83c04224..07c40eaa324 100644 --- a/src/mesa/shader/slang/slang_compile.c +++ b/src/mesa/shader/slang/slang_compile.c @@ -167,6 +167,16 @@ typedef struct slang_output_ctx_ /* _slang_compile() */ + +/* Debugging aid, print file/line where parsing error is detected */ +#define RETURN0 \ + do { \ + if (0) \ + printf("slang error at %s:%d\n", __FILE__, __LINE__); \ + return 0; \ + } while (0) + + static void parse_identifier_str(slang_parse_ctx * C, char **id) { @@ -223,7 +233,7 @@ parse_float(slang_parse_ctx * C, float *number) _mesa_strlen(exponent) + 3) * sizeof(char)); if (whole == NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } slang_string_copy(whole, integral); @@ -247,7 +257,7 @@ check_revision(slang_parse_ctx * C) { if (*C->I != REVISION) { slang_info_log_error(C->L, "Internal compiler error."); - return 0; + RETURN0; } C->I++; return 1; @@ -387,23 +397,23 @@ parse_struct_field(slang_parse_ctx * C, slang_output_ctx * O, o.structs = st->structs; if (!parse_type_specifier(C, &o, sp)) - return 0; + RETURN0; do { slang_atom a_name; slang_variable *var = slang_variable_scope_grow(st->fields); if (!var) { slang_info_log_memory(C->L); - return 0; + RETURN0; } a_name = parse_identifier(C); if (_slang_locate_variable(st->fields, a_name, GL_FALSE)) { slang_info_log_error(C->L, "duplicate field '%s'", (char *) a_name); - return 0; + RETURN0; } if (!parse_struct_field_var(C, &o, var, a_name, sp)) - return 0; + RETURN0; } while (*C->I++ != FIELD_NONE); @@ -419,26 +429,26 @@ parse_struct(slang_parse_ctx * C, slang_output_ctx * O, slang_struct ** st) /* parse struct name (if any) and make sure it is unique in current scope */ a_name = parse_identifier(C); if (a_name == SLANG_ATOM_NULL) - return 0; + RETURN0; name = slang_atom_pool_id(C->atoms, a_name); if (name[0] != '\0' && slang_struct_scope_find(O->structs, a_name, 0) != NULL) { slang_info_log_error(C->L, "%s: duplicate type name.", name); - return 0; + RETURN0; } /* set-up a new struct */ *st = (slang_struct *) _slang_alloc(sizeof(slang_struct)); if (*st == NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } if (!slang_struct_construct(*st)) { _slang_free(*st); *st = NULL; slang_info_log_memory(C->L); - return 0; + RETURN0; } (**st).a_name = a_name; (**st).structs->outer_scope = O->structs; @@ -450,7 +460,7 @@ parse_struct(slang_parse_ctx * C, slang_output_ctx * O, slang_struct ** st) slang_type_specifier_ctr(&sp); if (!parse_struct_field(C, O, *st, &sp)) { slang_type_specifier_dtr(&sp); - return 0; + RETURN0; } slang_type_specifier_dtr(&sp); } @@ -468,14 +478,14 @@ parse_struct(slang_parse_ctx * C, slang_output_ctx * O, slang_struct ** st) * sizeof(slang_struct)); if (O->structs->structs == NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } s = &O->structs->structs[O->structs->num_structs]; if (!slang_struct_construct(s)) - return 0; + RETURN0; O->structs->num_structs++; if (!slang_struct_copy(s, *st)) - return 0; + RETURN0; } return 1; @@ -498,7 +508,7 @@ parse_type_variant(slang_parse_ctx * C, slang_type_variant *variant) *variant = SLANG_INVARIANT; return 1; default: - return 0; + RETURN0; } } @@ -519,7 +529,7 @@ parse_type_centroid(slang_parse_ctx * C, slang_type_centroid *centroid) *centroid = SLANG_CENTROID; return 1; default: - return 0; + RETURN0; } } @@ -560,7 +570,7 @@ parse_type_qualifier(slang_parse_ctx * C, slang_type_qualifier * qual) *qual = SLANG_QUAL_FIXEDINPUT; break; default: - return 0; + RETURN0; } return 1; } @@ -698,7 +708,7 @@ parse_type_specifier(slang_parse_ctx * C, slang_output_ctx * O, case TYPE_SPECIFIER_STRUCT: spec->type = SLANG_SPEC_STRUCT; if (!parse_struct(C, O, &spec->_struct)) - return 0; + RETURN0; break; case TYPE_SPECIFIER_TYPENAME: spec->type = SLANG_SPEC_STRUCT; @@ -708,31 +718,31 @@ parse_type_specifier(slang_parse_ctx * C, slang_output_ctx * O, a_name = parse_identifier(C); if (a_name == NULL) - return 0; + RETURN0; stru = slang_struct_scope_find(O->structs, a_name, 1); if (stru == NULL) { slang_info_log_error(C->L, "undeclared type name '%s'", slang_atom_pool_id(C->atoms, a_name)); - return 0; + RETURN0; } spec->_struct = (slang_struct *) _slang_alloc(sizeof(slang_struct)); if (spec->_struct == NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } if (!slang_struct_construct(spec->_struct)) { _slang_free(spec->_struct); spec->_struct = NULL; - return 0; + RETURN0; } if (!slang_struct_copy(spec->_struct, stru)) - return 0; + RETURN0; } break; default: - return 0; + RETURN0; } return 1; } @@ -762,7 +772,7 @@ parse_type_precision(slang_parse_ctx *C, *precision = SLANG_PREC_HIGH; return 1; default: - return 0; + RETURN0; } } @@ -771,36 +781,36 @@ parse_fully_specified_type(slang_parse_ctx * C, slang_output_ctx * O, slang_fully_specified_type * type) { if (!parse_type_variant(C, &type->variant)) - return 0; + RETURN0; if (!parse_type_centroid(C, &type->centroid)) - return 0; + RETURN0; if (!parse_type_qualifier(C, &type->qualifier)) - return 0; + RETURN0; if (!parse_type_precision(C, &type->precision)) - return 0; + RETURN0; if (!parse_type_specifier(C, O, &type->specifier)) - return 0; + RETURN0; if (!O->allow_invariant && type->variant == SLANG_INVARIANT) { slang_info_log_error(C->L, "'invariant' keyword not allowed (perhaps set #version 120)"); - return 0; + RETURN0; } if (!O->allow_centroid && type->centroid == SLANG_CENTROID) { slang_info_log_error(C->L, "'centroid' keyword not allowed (perhaps set #version 120)"); - return 0; + RETURN0; } else if (type->centroid == SLANG_CENTROID && type->qualifier != SLANG_QUAL_VARYING) { slang_info_log_error(C->L, "'centroid' keyword only allowed for varying vars"); - return 0; + RETURN0; } @@ -809,7 +819,7 @@ parse_fully_specified_type(slang_parse_ctx * C, slang_output_ctx * O, type->variant == SLANG_INVARIANT) { slang_info_log_error(C->L, "invariant qualifer only allowed for varying vars"); - return 0; + RETURN0; } */ @@ -824,7 +834,7 @@ parse_fully_specified_type(slang_parse_ctx * C, slang_output_ctx * O, /* only default is allowed */ if (type->precision != SLANG_PREC_DEFAULT) { slang_info_log_error(C->L, "precision qualifiers not allowed"); - return 0; + RETURN0; } } @@ -935,7 +945,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O, oper->type = SLANG_OPER_BLOCK_NO_NEW_SCOPE; while (*C->I != OP_END) if (!parse_child_operation(C, O, oper, 1)) - return 0; + RETURN0; C->I++; break; case OP_BLOCK_BEGIN_NEW_SCOPE: @@ -947,7 +957,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O, o.vars = oper->locals; while (*C->I != OP_END) if (!parse_child_operation(C, &o, oper, 1)) - return 0; + RETURN0; C->I++; } break; @@ -963,7 +973,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O, * than one declarators */ if (!parse_declaration(C, O)) - return 0; + RETURN0; if (first_var < O->vars->num_variables) { const unsigned int num_vars = O->vars->num_variables - first_var; unsigned int i; @@ -972,7 +982,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O, oper->children = slang_operation_new(num_vars); if (oper->children == NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } for (i = first_var; i < O->vars->num_variables; i++) { slang_operation *o = &oper->children[i - first_var]; @@ -983,7 +993,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O, if (!legal_identifier(o->a_id)) { slang_info_log_error(C->L, "illegal variable name '%s'", (char *) o->a_id); - return 0; + RETURN0; } } } @@ -996,10 +1006,10 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O, oper->type = SLANG_OPER_ASM; oper->a_id = parse_identifier(C); if (oper->a_id == SLANG_ATOM_NULL) - return 0; + RETURN0; while (*C->I != OP_END) { if (!parse_child_operation(C, O, oper, 0)) - return 0; + RETURN0; } C->I++; break; @@ -1015,21 +1025,21 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O, case OP_RETURN: oper->type = SLANG_OPER_RETURN; if (!parse_child_operation(C, O, oper, 0)) - return 0; + RETURN0; break; case OP_EXPRESSION: oper->type = SLANG_OPER_EXPRESSION; if (!parse_child_operation(C, O, oper, 0)) - return 0; + RETURN0; break; case OP_IF: oper->type = SLANG_OPER_IF; if (!parse_child_operation(C, O, oper, 0)) - return 0; + RETURN0; if (!parse_child_operation(C, O, oper, 1)) - return 0; + RETURN0; if (!parse_child_operation(C, O, oper, 1)) - return 0; + RETURN0; break; case OP_WHILE: { @@ -1038,17 +1048,17 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O, oper->type = SLANG_OPER_WHILE; o.vars = oper->locals; if (!parse_child_operation(C, &o, oper, 1)) - return 0; + RETURN0; if (!parse_child_operation(C, &o, oper, 1)) - return 0; + RETURN0; } break; case OP_DO: oper->type = SLANG_OPER_DO; if (!parse_child_operation(C, O, oper, 1)) - return 0; + RETURN0; if (!parse_child_operation(C, O, oper, 0)) - return 0; + RETURN0; break; case OP_FOR: { @@ -1057,13 +1067,13 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O, oper->type = SLANG_OPER_FOR; o.vars = oper->locals; if (!parse_child_operation(C, &o, oper, 1)) - return 0; + RETURN0; if (!parse_child_operation(C, &o, oper, 1)) - return 0; + RETURN0; if (!parse_child_operation(C, &o, oper, 0)) - return 0; + RETURN0; if (!parse_child_operation(C, &o, oper, 1)) - return 0; + RETURN0; } break; case OP_PRECISION: @@ -1077,7 +1087,7 @@ parse_statement(slang_parse_ctx * C, slang_output_ctx * O, } break; default: - return 0; + RETURN0; } return 1; } @@ -1092,7 +1102,7 @@ handle_nary_expression(slang_parse_ctx * C, slang_operation * op, op->children = slang_operation_new(n); if (op->children == NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } op->num_children = n; @@ -1110,7 +1120,7 @@ handle_nary_expression(slang_parse_ctx * C, slang_operation * op, *total_ops * sizeof(slang_operation)); if (*ops == NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } return 1; } @@ -1143,12 +1153,12 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O, (num_ops + 1) * sizeof(slang_operation)); if (ops == NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } op = &ops[num_ops]; if (!slang_operation_construct(op)) { slang_info_log_memory(C->L); - return 0; + RETURN0; } num_ops++; op->locals->outer_scope = O->vars; @@ -1160,7 +1170,7 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O, case OP_PUSH_BOOL: op->type = SLANG_OPER_LITERAL_BOOL; if (!parse_number(C, &number)) - return 0; + RETURN0; op->literal[0] = op->literal[1] = op->literal[2] = @@ -1170,7 +1180,7 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O, case OP_PUSH_INT: op->type = SLANG_OPER_LITERAL_INT; if (!parse_number(C, &number)) - return 0; + RETURN0; op->literal[0] = op->literal[1] = op->literal[2] = @@ -1180,7 +1190,7 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O, case OP_PUSH_FLOAT: op->type = SLANG_OPER_LITERAL_FLOAT; if (!parse_float(C, &op->literal[0])) - return 0; + RETURN0; op->literal[1] = op->literal[2] = op->literal[3] = op->literal[0]; @@ -1190,37 +1200,37 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O, op->type = SLANG_OPER_IDENTIFIER; op->a_id = parse_identifier(C); if (op->a_id == SLANG_ATOM_NULL) - return 0; + RETURN0; break; case OP_SEQUENCE: op->type = SLANG_OPER_SEQUENCE; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_ASSIGN: op->type = SLANG_OPER_ASSIGN; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_ADDASSIGN: op->type = SLANG_OPER_ADDASSIGN; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_SUBASSIGN: op->type = SLANG_OPER_SUBASSIGN; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_MULASSIGN: op->type = SLANG_OPER_MULASSIGN; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_DIVASSIGN: op->type = SLANG_OPER_DIVASSIGN; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; /*case OP_MODASSIGN: */ /*case OP_LSHASSIGN: */ @@ -1231,22 +1241,22 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O, case OP_SELECT: op->type = SLANG_OPER_SELECT; if (!handle_nary_expression(C, op, &ops, &num_ops, 3)) - return 0; + RETURN0; break; case OP_LOGICALOR: op->type = SLANG_OPER_LOGICALOR; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_LOGICALXOR: op->type = SLANG_OPER_LOGICALXOR; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_LOGICALAND: op->type = SLANG_OPER_LOGICALAND; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; /*case OP_BITOR: */ /*case OP_BITXOR: */ @@ -1254,95 +1264,95 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O, case OP_EQUAL: op->type = SLANG_OPER_EQUAL; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_NOTEQUAL: op->type = SLANG_OPER_NOTEQUAL; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_LESS: op->type = SLANG_OPER_LESS; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_GREATER: op->type = SLANG_OPER_GREATER; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_LESSEQUAL: op->type = SLANG_OPER_LESSEQUAL; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_GREATEREQUAL: op->type = SLANG_OPER_GREATEREQUAL; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; /*case OP_LSHIFT: */ /*case OP_RSHIFT: */ case OP_ADD: op->type = SLANG_OPER_ADD; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_SUBTRACT: op->type = SLANG_OPER_SUBTRACT; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_MULTIPLY: op->type = SLANG_OPER_MULTIPLY; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_DIVIDE: op->type = SLANG_OPER_DIVIDE; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; /*case OP_MODULUS: */ case OP_PREINCREMENT: op->type = SLANG_OPER_PREINCREMENT; if (!handle_nary_expression(C, op, &ops, &num_ops, 1)) - return 0; + RETURN0; break; case OP_PREDECREMENT: op->type = SLANG_OPER_PREDECREMENT; if (!handle_nary_expression(C, op, &ops, &num_ops, 1)) - return 0; + RETURN0; break; case OP_PLUS: op->type = SLANG_OPER_PLUS; if (!handle_nary_expression(C, op, &ops, &num_ops, 1)) - return 0; + RETURN0; break; case OP_MINUS: op->type = SLANG_OPER_MINUS; if (!handle_nary_expression(C, op, &ops, &num_ops, 1)) - return 0; + RETURN0; break; case OP_NOT: op->type = SLANG_OPER_NOT; if (!handle_nary_expression(C, op, &ops, &num_ops, 1)) - return 0; + RETURN0; break; /*case OP_COMPLEMENT: */ case OP_SUBSCRIPT: op->type = SLANG_OPER_SUBSCRIPT; if (!handle_nary_expression(C, op, &ops, &num_ops, 2)) - return 0; + RETURN0; break; case OP_CALL: op->type = SLANG_OPER_CALL; op->a_id = parse_identifier(C); if (op->a_id == SLANG_ATOM_NULL) - return 0; + RETURN0; while (*C->I != OP_END) if (!parse_child_operation(C, O, op, 0)) - return 0; + RETURN0; C->I++; if (!C->parsing_builtin @@ -1352,7 +1362,7 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O, id = slang_atom_pool_id(C->atoms, op->a_id); if (!is_constructor_name(id, op->a_id, O->structs)) { slang_info_log_error(C->L, "%s: undeclared function name.", id); - return 0; + RETURN0; } } break; @@ -1360,22 +1370,22 @@ parse_expression(slang_parse_ctx * C, slang_output_ctx * O, op->type = SLANG_OPER_FIELD; op->a_id = parse_identifier(C); if (op->a_id == SLANG_ATOM_NULL) - return 0; + RETURN0; if (!handle_nary_expression(C, op, &ops, &num_ops, 1)) - return 0; + RETURN0; break; case OP_POSTINCREMENT: op->type = SLANG_OPER_POSTINCREMENT; if (!handle_nary_expression(C, op, &ops, &num_ops, 1)) - return 0; + RETURN0; break; case OP_POSTDECREMENT: op->type = SLANG_OPER_POSTDECREMENT; if (!handle_nary_expression(C, op, &ops, &num_ops, 1)) - return 0; + RETURN0; break; default: - return 0; + RETURN0; } } C->I++; @@ -1406,7 +1416,7 @@ parse_parameter_declaration(slang_parse_ctx * C, slang_output_ctx * O, * two at most) because not all combinations are valid */ if (!parse_type_qualifier(C, ¶m->type.qualifier)) - return 0; + RETURN0; param_qual = *C->I++; switch (param_qual) { @@ -1414,7 +1424,7 @@ parse_parameter_declaration(slang_parse_ctx * C, slang_output_ctx * O, if (param->type.qualifier != SLANG_QUAL_CONST && param->type.qualifier != SLANG_QUAL_NONE) { slang_info_log_error(C->L, "Invalid type qualifier."); - return 0; + RETURN0; } break; case PARAM_QUALIFIER_OUT: @@ -1422,7 +1432,7 @@ parse_parameter_declaration(slang_parse_ctx * C, slang_output_ctx * O, param->type.qualifier = SLANG_QUAL_OUT; else { slang_info_log_error(C->L, "Invalid type qualifier."); - return 0; + RETURN0; } break; case PARAM_QUALIFIER_INOUT: @@ -1430,11 +1440,11 @@ parse_parameter_declaration(slang_parse_ctx * C, slang_output_ctx * O, param->type.qualifier = SLANG_QUAL_INOUT; else { slang_info_log_error(C->L, "Invalid type qualifier."); - return 0; + RETURN0; } break; default: - return 0; + RETURN0; } /* parse precision qualifier (lowp, mediump, highp */ @@ -1444,10 +1454,10 @@ parse_parameter_declaration(slang_parse_ctx * C, slang_output_ctx * O, /* parse parameter's type specifier and name */ if (!parse_type_specifier(C, O, ¶m->type.specifier)) - return 0; + RETURN0; param->a_name = parse_identifier(C); if (param->a_name == SLANG_ATOM_NULL) - return 0; + RETURN0; /* if the parameter is an array, parse its size (the size must be * explicitly defined @@ -1564,13 +1574,13 @@ parse_operator_name(slang_parse_ctx * C) slang_atom_pool_atom(C->atoms, operator_names[i].o_name); if (atom == SLANG_ATOM_NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } C->I++; return atom; } } - return 0; + RETURN0; } @@ -1581,7 +1591,7 @@ parse_function_prototype(slang_parse_ctx * C, slang_output_ctx * O, GLuint functype; /* parse function type and name */ if (!parse_fully_specified_type(C, O, &func->header.type)) - return 0; + RETURN0; functype = *C->I++; switch (functype) { @@ -1589,35 +1599,35 @@ parse_function_prototype(slang_parse_ctx * C, slang_output_ctx * O, func->kind = SLANG_FUNC_ORDINARY; func->header.a_name = parse_identifier(C); if (func->header.a_name == SLANG_ATOM_NULL) - return 0; + RETURN0; break; case FUNCTION_CONSTRUCTOR: func->kind = SLANG_FUNC_CONSTRUCTOR; if (func->header.type.specifier.type == SLANG_SPEC_STRUCT) - return 0; + RETURN0; func->header.a_name = slang_atom_pool_atom(C->atoms, slang_type_specifier_type_to_string (func->header.type.specifier.type)); if (func->header.a_name == SLANG_ATOM_NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } break; case FUNCTION_OPERATOR: func->kind = SLANG_FUNC_OPERATOR; func->header.a_name = parse_operator_name(C); if (func->header.a_name == SLANG_ATOM_NULL) - return 0; + RETURN0; break; default: - return 0; + RETURN0; } if (!legal_identifier(func->header.a_name)) { slang_info_log_error(C->L, "illegal function name '%s'", (char *) func->header.a_name); - return 0; + RETURN0; } /* parse function parameters */ @@ -1625,10 +1635,10 @@ parse_function_prototype(slang_parse_ctx * C, slang_output_ctx * O, slang_variable *p = slang_variable_scope_grow(func->parameters); if (!p) { slang_info_log_memory(C->L); - return 0; + RETURN0; } if (!parse_parameter_declaration(C, O, p)) - return 0; + RETURN0; } /* if the function returns a value, append a hidden __retVal 'out' @@ -1662,19 +1672,19 @@ parse_function_definition(slang_parse_ctx * C, slang_output_ctx * O, slang_output_ctx o = *O; if (!parse_function_prototype(C, O, func)) - return 0; + RETURN0; /* create function's body operation */ func->body = (slang_operation *) _slang_alloc(sizeof(slang_operation)); if (func->body == NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } if (!slang_operation_construct(func->body)) { _slang_free(func->body); func->body = NULL; slang_info_log_memory(C->L); - return 0; + RETURN0; } /* to parse the body the parse context is modified in order to @@ -1683,7 +1693,7 @@ parse_function_definition(slang_parse_ctx * C, slang_output_ctx * O, C->global_scope = GL_FALSE; o.vars = func->parameters; if (!parse_statement(C, &o, func->body)) - return 0; + RETURN0; C->global_scope = GL_TRUE; return 1; @@ -1779,46 +1789,46 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O, slang_info_log_error(C->L, "declaration of '%s' conflicts with previous declaration", (char *) a_name); - return 0; + RETURN0; } /* make room for the new variable and initialize it */ var = slang_variable_scope_grow(O->vars); if (!var) { slang_info_log_memory(C->L); - return 0; + RETURN0; } /* copy the declarator qualifier type, parse the identifier */ var->type.qualifier = type->qualifier; var->a_name = a_name; if (var->a_name == SLANG_ATOM_NULL) - return 0; + RETURN0; switch (*C->I++) { case VARIABLE_NONE: /* simple variable declarator - just copy the specifier */ if (!slang_type_specifier_copy(&var->type.specifier, &type->specifier)) - return 0; + RETURN0; break; case VARIABLE_INITIALIZER: /* initialized variable - copy the specifier and parse the expression */ if (!slang_type_specifier_copy(&var->type.specifier, &type->specifier)) - return 0; + RETURN0; var->initializer = (slang_operation *) _slang_alloc(sizeof(slang_operation)); if (var->initializer == NULL) { slang_info_log_memory(C->L); - return 0; + RETURN0; } if (!slang_operation_construct(var->initializer)) { _slang_free(var->initializer); var->initializer = NULL; slang_info_log_memory(C->L); - return 0; + RETURN0; } if (!parse_expression(C, O, var->initializer)) - return 0; + RETURN0; break; case VARIABLE_ARRAY_UNKNOWN: /* unsized array - mark it as array and copy the specifier to @@ -1834,7 +1844,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O, return GL_FALSE; break; default: - return 0; + RETURN0; } /* allocate global address space for a variable with a known size */ @@ -1858,7 +1868,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O, A.log = C->L; A.curFuncEndLabel = NULL; if (!_slang_codegen_global_variable(&A, var, C->type)) - return 0; + RETURN0; } /* initialize global variable */ @@ -1871,7 +1881,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O, A.space.structs = O->structs; A.space.vars = O->vars; if (!initialize_global(&A, var)) - return 0; + RETURN0; } } return 1; @@ -1888,17 +1898,17 @@ parse_init_declarator_list(slang_parse_ctx * C, slang_output_ctx * O) /* parse the fully specified type, common to all declarators */ if (!slang_fully_specified_type_construct(&type)) - return 0; + RETURN0; if (!parse_fully_specified_type(C, O, &type)) { slang_fully_specified_type_destruct(&type); - return 0; + RETURN0; } /* parse declarators, pass-in the parsed type */ do { if (!parse_init_declarator(C, O, &type)) { slang_fully_specified_type_destruct(&type); - return 0; + RETURN0; } } while (*C->I++ == DECLARATOR_NEXT); @@ -2005,18 +2015,18 @@ parse_declaration(slang_parse_ctx * C, slang_output_ctx * O) switch (*C->I++) { case DECLARATION_INIT_DECLARATOR_LIST: if (!parse_init_declarator_list(C, O)) - return 0; + RETURN0; break; case DECLARATION_FUNCTION_PROTOTYPE: { slang_function *dummy_func; if (!parse_function(C, O, 0, &dummy_func)) - return 0; + RETURN0; } break; default: - return 0; + RETURN0; } return 1; } @@ -2028,7 +2038,7 @@ parse_default_precision(slang_parse_ctx * C, slang_output_ctx * O) if (!O->allow_precision) { slang_info_log_error(C->L, "syntax error at \"precision\""); - return 0; + RETURN0; } precision = *C->I++; @@ -2041,7 +2051,7 @@ parse_default_precision(slang_parse_ctx * C, slang_output_ctx * O) default: _mesa_problem(NULL, "unexpected precision %d at %s:%d\n", precision, __FILE__, __LINE__); - return 0; + RETURN0; } type = *C->I++; @@ -2061,7 +2071,7 @@ parse_default_precision(slang_parse_ctx * C, slang_output_ctx * O) default: _mesa_problem(NULL, "unexpected type %d at %s:%d\n", type, __FILE__, __LINE__); - return 0; + RETURN0; } assert(type < TYPE_SPECIFIER_COUNT); @@ -2108,7 +2118,7 @@ parse_invariant(slang_parse_ctx * C, slang_output_ctx * O) } else { slang_info_log_error(C->L, "syntax error at \"invariant\""); - return 0; + RETURN0; } } -- cgit v1.2.3