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Allow only one return statement

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This commit is contained in:
Eugen Wissner
2025-05-17 23:12:44 +02:00
parent 573d812f1c
commit 8206b48dbd
6 changed files with 69 additions and 91 deletions
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7
gcc/elna-generic.cc
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@ -1297,13 +1297,12 @@ namespace elna::gcc
void generic_visitor::visit(boot::while_statement *statement)
{
std::string loop_identifier = statement->label.value_or("while");
location_t prerequisite_location = get_location(&statement->body().prerequisite().position());
tree prerequisite_label_decl = build_label_decl(loop_identifier.c_str(), prerequisite_location);
tree prerequisite_label_decl = build_label_decl("while_do", prerequisite_location);
auto prerequisite_label_expr = build1_loc(prerequisite_location, LABEL_EXPR,
void_type_node, prerequisite_label_decl);
auto goto_check = build1(GOTO_EXPR, void_type_node, prerequisite_label_decl);
tree branch_end_declaration = build_label_decl(loop_identifier.c_str(), UNKNOWN_LOCATION);
tree branch_end_declaration = build_label_decl("while_end", UNKNOWN_LOCATION);
tree branch_end_expression = build1_loc(UNKNOWN_LOCATION, LABEL_EXPR, void_type_node, branch_end_declaration);
append_statement(prerequisite_label_expr);
@ -1340,7 +1339,7 @@ namespace elna::gcc
void generic_visitor::visit(boot::return_statement *statement)
{
boot::expression *return_expression = statement->return_expression;
boot::expression *return_expression = &statement->return_expression();
location_t statement_position = get_location(&statement->position());
tree set_result{ NULL_TREE };
tree return_type = TREE_TYPE(TREE_TYPE(current_function_decl));