From 1b92ad61f4fb47dc54c19e785e4660ea920ea0c3 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Tue, 29 Jul 2025 20:59:30 +0900
Subject: fix: type string literals

---
 ast.c        |  4 ++++
 parse.c      |  1 +
 tests/069.sh | 18 ++++++++++++++++++
 3 files changed, 23 insertions(+)
 create mode 100644 tests/069.sh

diff --git a/ast.c b/ast.c
index 0326855..83f65d9 100644
--- a/ast.c
+++ b/ast.c
@@ -43,6 +43,10 @@ Type* type_new_array(Type* elem, int size) {
     return ty;
 }
 
+Type* type_new_static_string(int len) {
+    return type_new_array(type_new(TypeKind_char), len + 1);
+}
+
 Type* type_array_to_ptr(Type* ty) {
     return type_new_ptr(ty->to);
 }
diff --git a/parse.c b/parse.c
index 0b682e2..f61386b 100644
--- a/parse.c
+++ b/parse.c
@@ -205,6 +205,7 @@ AstNode* parse_primary_expr(Parser* p) {
     } else if (t->kind == TokenKind_literal_str) {
         e = ast_new(AstNodeKind_str_expr);
         e->node_idx = register_str_literal(p, string_to_cstr(&t->raw));
+        e->ty = type_new_static_string(t->raw.len);
         return e;
     } else if (t->kind == TokenKind_paren_l) {
         e = parse_expr(p);
diff --git a/tests/069.sh b/tests/069.sh
new file mode 100644
index 0000000..2a43022
--- /dev/null
+++ b/tests/069.sh
@@ -0,0 +1,18 @@
+set -e
+
+cat <<'EOF' > expected
+h
+l
+,
+EOF
+
+bash ../../test_diff.sh <<'EOF'
+int printf();
+
+int main() {
+    char* h = " hello,world" + 1;
+    printf("%c\n", *h);
+    printf("%c\n", h[2]);
+    printf("%c\n", *(h + 5));
+}
+EOF
-- 
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