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Treat *x as an unary operator to improve error messages for common C-programmer mistakes

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gingerBill
2024-03-23 16:51:04 +00:00
parent 61aa4558dc
commit 1d46adb598
3 changed files with 34 additions and 2 deletions
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7
src/parser.cpp
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@@ -2541,6 +2541,9 @@ gb_internal Ast *parse_operand(AstFile *f, bool lhs) {
return ast_pointer_type(f, token, elem);
} break;
case Token_Mul:
return parse_unary_expr(f, true);
case Token_OpenBracket: {
Token token = expect_token(f, Token_OpenBracket);
Ast *count_expr = nullptr;
@@ -3274,7 +3277,9 @@ gb_internal Ast *parse_unary_expr(AstFile *f, bool lhs) {
case Token_Sub:
case Token_Xor:
case Token_And:
case Token_Not: {
case Token_Not:
case Token_Mul: // Used for error handling when people do C-like things
{
Token token = advance_token(f);
Ast *expr = parse_unary_expr(f, lhs);
return ast_unary_expr(f, token, expr);