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Add var args for using printf

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This commit is contained in:
Krzosa Karol
2022-06-07 11:16:30 +02:00
parent b7df759d9d
commit a59283903b
8 changed files with 906 additions and 25 deletions
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34
new_parse.cpp
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@@ -283,30 +283,38 @@ function Ast_Lambda *
parse_lambda(Token *token){
Scratch scratch;
B32 has_var_args = false;
Array<Ast_Lambda_Arg *> params = {scratch};
if(!token_is(TK_CloseParen)){
for(;;){
Token *name = token_expect(TK_Identifier);
token_expect(TK_Colon);
Ast_Expr *typespec = parse_expr();
Token *name = token_get();
if(token_match(TK_Identifier)){
token_expect(TK_Colon);
Ast_Expr *typespec = parse_expr();
Ast_Expr *default_value = 0;
if(token_match(TK_Assign)) {
default_value = parse_expr();
Ast_Expr *default_value = 0;
if(token_match(TK_Assign)) {
default_value = parse_expr();
}
Ast_Lambda_Arg *param = ast_expr_lambda_arg(name, name->intern_val, typespec, default_value);
params.add(param);
}
Ast_Lambda_Arg *param = ast_expr_lambda_arg(name, name->intern_val, typespec, default_value);
params.add(param);
if(!token_match(TK_Comma)){
else if(token_match(TK_ThreeDots)){
has_var_args = true;
break;
}
else parsing_error(name, "Expected [Identifier] or [...] when parsing lambda arguments");
if(!token_match(TK_Comma))
break;
}
}
token_expect(TK_CloseParen);
Ast_Expr *ret = parse_optional_type();
Ast_Block *block = token_is(OPEN_SCOPE) ? parse_block() : 0;
Ast_Lambda *result = ast_lambda(token, params, ret, block);
Ast_Lambda *result = ast_lambda(token, params, has_var_args, ret, block);
return result;
}
@@ -421,8 +429,8 @@ parse_expr(S64 min_bp){
}break;
case TK_OpenParen: {
if(token_is(TK_CloseParen)) left = parse_lambda(token);
else if(token_is(TK_Identifier) && token_is(TK_Colon, 1)) left = parse_lambda(token);
if(token_is(TK_CloseParen) || (token_is(TK_Identifier) && token_is(TK_Colon, 1)) || token_is(TK_ThreeDots))
left = parse_lambda(token);
else{
left = parse_expr(0);
token_expect(TK_CloseParen);