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Prevents shader crash if passing invalid struct to the return statement

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This commit is contained in:
Yuri Roubinsky 2021-02-21 07:35:09 +03:00
parent d4d7535524
commit f91e7e3ba4
1 changed files with 5 additions and 3 deletions
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8
servers/rendering/shader_language.cpp
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@ -5861,6 +5861,8 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const FunctionInfo &p_fun
return ERR_BUG;
}
String return_struct_name = String(b->parent_function->return_struct_name);
ControlFlowNode *flow = alloc_node<ControlFlowNode>();
flow->flow_op = FLOW_OP_RETURN;
@ -5869,7 +5871,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const FunctionInfo &p_fun
if (tk.type == TK_SEMICOLON) {
//all is good
if (b->parent_function->return_type != TYPE_VOID) {
_set_error("Expected return with expression of type '" + get_datatype_name(b->parent_function->return_type) + "'");
_set_error("Expected return with an expression of type '" + (return_struct_name != "" ? return_struct_name : get_datatype_name(b->parent_function->return_type)) + "'");
return ERR_PARSE_ERROR;
}
} else {
@ -5879,8 +5881,8 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const FunctionInfo &p_fun
return ERR_PARSE_ERROR;
}
if (b->parent_function->return_type != expr->get_datatype()) {
_set_error("Expected return expression of type '" + get_datatype_name(b->parent_function->return_type) + "'");
if (b->parent_function->return_type != expr->get_datatype() || return_struct_name != expr->get_datatype_name()) {
_set_error("Expected return with an expression of type '" + (return_struct_name != "" ? return_struct_name : get_datatype_name(b->parent_function->return_type)) + "'");
return ERR_PARSE_ERROR;
}