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Check for undefined symbols.

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This commit is contained in:
Roberto Raggi
2010-11-26 12:30:12 +01:00
parent a8b3c0e2ce
commit d0e7e7462b
1 changed files with 11 additions and 1 deletions
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12
src/libs/glsl/glslsemantic.cpp
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@@ -144,7 +144,17 @@ bool Semantic::visit(StructTypeAST::Field *ast)
// expressions // expressions
bool Semantic::visit(IdentifierExpressionAST *ast) bool Semantic::visit(IdentifierExpressionAST *ast)
{ {
Q_UNUSED(ast); if (ast->name) {
if (Symbol *s = _scope->lookup(*ast->name)) {
_expr.type = s->type();
} else {
if (ast->name->startsWith(QLatin1String("gl_")) || ast->name->startsWith(QLatin1String("qgl_"))) {
// ### well, at least for now.
} else {
_engine->error(ast->lineno, QString("Undefined symbol `%1'").arg(*ast->name));
}
}
}
return false; return false;
} }