From 1d46adb598328b4977d5b4cfad2a1dc679b05a21 Mon Sep 17 00:00:00 2001 From: gingerBill Date: Sat, 23 Mar 2024 16:51:04 +0000 Subject: Treat `*x` as an unary operator to improve error messages for common C-programmer mistakes --- src/check_expr.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/check_expr.cpp') diff --git a/src/check_expr.cpp b/src/check_expr.cpp index d1f393bef..f09c8fe3c 100644 --- a/src/check_expr.cpp +++ b/src/check_expr.cpp @@ -1800,6 +1800,19 @@ gb_internal bool check_unary_op(CheckerContext *c, Operand *o, Token op) { } break; + case Token_Mul: + { + ERROR_BLOCK(); + error(op, "Operator '%.*s' is not a valid unary operator in Odin", LIT(op.string)); + if (is_type_pointer(o->type)) { + str = expr_to_string(o->expr); + error_line("\tSuggestion: Did you mean '%s^'?\n", str); + } else if (is_type_multi_pointer(o->type)) { + str = expr_to_string(o->expr); + error_line("\tSuggestion: The value is a multi-pointer, did you mean '%s[0]'?\n", str); + } + } + break; default: error(op, "Unknown operator '%.*s'", LIT(op.string)); return false; -- cgit v1.2.3