From 5a16856f8ff4dbf801b4a622ca7053b77e8a0214 Mon Sep 17 00:00:00 2001 From: nsfisis Date: Sun, 28 Sep 2025 15:30:11 +0900 Subject: feat: implement bitwise not operator --- src/codegen.c | 4 ++++ src/parse.c | 3 +++ 2 files changed, 7 insertions(+) (limited to 'src') diff --git a/src/codegen.c b/src/codegen.c index 34f6c23..f02a38c 100644 --- a/src/codegen.c +++ b/src/codegen.c @@ -87,6 +87,10 @@ static void codegen_unary_expr(CodeGen* g, AstNode* ast) { fprintf(g->out, " sete al\n"); fprintf(g->out, " movzb rax, al\n"); fprintf(g->out, " push rax\n"); + } else if (ast->node_op == TokenKind_tilde) { + fprintf(g->out, " pop rax\n"); + fprintf(g->out, " not rax\n"); + fprintf(g->out, " push rax\n"); } else { unreachable(); } diff --git a/src/parse.c b/src/parse.c index 80c7aac..b82c45d 100644 --- a/src/parse.c +++ b/src/parse.c @@ -547,6 +547,9 @@ static AstNode* parse_prefix_expr(Parser* p) { } else if (consume_token_if(p, TokenKind_not)) { AstNode* operand = parse_prefix_expr(p); return ast_new_unary_expr(op, operand); + } else if (consume_token_if(p, TokenKind_tilde)) { + AstNode* operand = parse_prefix_expr(p); + return ast_new_unary_expr(op, operand); } else if (consume_token_if(p, TokenKind_and)) { AstNode* operand = parse_prefix_expr(p); return ast_new_ref_expr(operand); -- cgit v1.2.3-70-g09d2