From: Matthias Kruk <m@m10k.eu>
Date: Sat, 11 Jul 2020 08:38:51 +0000 (+0900)
Subject: parser: Implement parsing of argument expression lists
X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=8f940da39bcd44c0330fc47dc29771a75d017e94;p=ccc

parser: Implement parsing of argument expression lists
---

diff --git a/src/grammar.h b/src/grammar.h
index 661efc2..a14bf2c 100644
--- a/src/grammar.h
+++ b/src/grammar.h
@@ -250,6 +250,7 @@ struct assignment_expression {
 
 struct argument_expression_list {
 	struct assignment_expression *aexpr;
+	struct token *comma;
 	struct argument_expression_list *next;
 };
 
diff --git a/src/parser.c b/src/parser.c
index f89ee12..9727d86 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -1278,6 +1278,31 @@ struct postfix_expression *parse_postfix_expression(void)
 
 struct argument_expression_list *parse_argument_expression_list(void)
 {
-	fprintf(stderr, "FIXME: %s() is not implemented\n", __func__);
+	struct argument_expression_list *list;
+	int pos;
+
+	list = argument_expression_list_new();
+
+	if(!list) {
+		return(NULL);
+	}
+
+	if((list->aexpr = parse_assignment_expression())) {
+		return(list);
+	}
+
+	pos = lex_getpos();
+
+	list->next = parse_argument_expression_list();
+	list->comma = lex_gettoken();
+	list->aexpr = parse_assignment_expression();
+
+	if(list->next && list->comma && list->aexpr && list->comma->type == TOKEN_COMMA) {
+		return(list);
+	}
+
+	argument_expression_list_free(list);
+	lex_setpos(pos);
+
 	return(NULL);
 }