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Generate errors for empty constructors instead of asserting

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This causes the following tests to pass:

     glslparsertest/glsl2/constructor-10.vert
This commit is contained in:
Ian Romanick 2010-06-23 13:58:34 -07:00
parent 3ed850e91c
commit fa455fc2a5
1 changed files with 8 additions and 1 deletions
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9
ast_function.cpp
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@ -513,7 +513,14 @@ ast_function_expression::hir(exec_list *instructions,
bool all_parameters_are_constant = true;
assert(!this->expressions.is_empty());
/* This handles invalid constructor calls such as 'vec4 v = vec4();'
*/
if (this->expressions.is_empty()) {
_mesa_glsl_error(& loc, state, "too few components to construct "
"`%s'",
constructor_type->name);
return ir_call::get_error_instruction();
}
foreach_list (n, &this->expressions) {
ast_node *ast = exec_node_data(ast_node, n, link);