zig

commit 5d4e50075a7e0c32c27d1bc1d89b6ba69c8bb060 (tree)
parent 26725d687abfa750b9c0db5554c03156c84c02a2
Author: Motiejus Jakštys <motiejus@jakstys.lt>
Date:   Tue, 10 Feb 2026 18:10:11 +0000

parser: port zig fmt on/off, defer, block slice tests

Port tests:
- "line and doc comment following 'zig fmt: off'"
- "doc and line comment following 'zig fmt: off'"
- "line comment following 'zig fmt: on'"
- "doc comment following 'zig fmt: on'"
- "line and doc comment following 'zig fmt: on'"
- "doc and line comment following 'zig fmt: on'"
- "block in slice expression"
- "defer"

Fix defer node data: body goes in lhs (not rhs) to match .node
union variant.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Diffstat:
M
parser.c
 | 
4
++--
M
parser_test.zig
 | 
94
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 96 insertions(+), 2 deletions(-)
diff --git a/parser.c b/parser.c
@@ -2086,8 +2086,8 @@ static AstNodeIndex expectStatement(Parser* p, bool allow_defer_var) {
                 .tag = AST_NODE_DEFER,
                 .main_token = nextToken(p),
                 .data = {
-                    .lhs = 0,
-                    .rhs = expectBlockExprStatement(p),
+                    .lhs = expectBlockExprStatement(p),
+                    .rhs = 0,
                 },
             });
     case TOKEN_KEYWORD_ERRDEFER: {
diff --git a/parser_test.zig b/parser_test.zig
@@ -2145,6 +2145,100 @@ test "zig fmt: anytype type" {
     );
 }
 
+test "zig fmt: line and doc comment following 'zig fmt: off'" {
+    try testCanonical(
+        \\// zig fmt: off
+        \\// test 1
+        \\/// test 2
+        \\const  e  =  f;
+    );
+}
+
+test "zig fmt: doc and line comment following 'zig fmt: off'" {
+    try testCanonical(
+        \\// zig fmt: off
+        \\/// test 1
+        \\// test 2
+        \\const  e  =  f;
+    );
+}
+
+test "zig fmt: line comment following 'zig fmt: on'" {
+    try testCanonical(
+        \\// zig fmt: off
+        \\const  e  =  f;
+        \\// zig fmt: on
+        \\// test
+        \\const e = f;
+        \\
+    );
+}
+
+test "zig fmt: doc comment following 'zig fmt: on'" {
+    try testCanonical(
+        \\// zig fmt: off
+        \\const  e  =  f;
+        \\// zig fmt: on
+        \\/// test
+        \\const e = f;
+        \\
+    );
+}
+
+test "zig fmt: line and doc comment following 'zig fmt: on'" {
+    try testCanonical(
+        \\// zig fmt: off
+        \\const  e  =  f;
+        \\// zig fmt: on
+        \\// test1
+        \\/// test2
+        \\const e = f;
+        \\
+    );
+}
+
+test "zig fmt: doc and line comment following 'zig fmt: on'" {
+    try testCanonical(
+        \\// zig fmt: off
+        \\const  e  =  f;
+        \\// zig fmt: on
+        \\/// test1
+        \\// test2
+        \\const e = f;
+        \\
+    );
+}
+
+test "zig fmt: block in slice expression" {
+    try testCanonical(
+        \\const a = b[{
+        \\    _ = x;
+        \\}..];
+        \\const c = d[0..{
+        \\    _ = x;
+        \\    _ = y;
+        \\}];
+        \\const e = f[0..1 :{
+        \\    _ = x;
+        \\    _ = y;
+        \\    _ = z;
+        \\}];
+        \\
+    );
+}
+
+test "zig fmt: defer" {
+    try testCanonical(
+        \\test "defer" {
+        \\    defer foo();
+        \\    defer {
+        \\        bar();
+        \\    }
+        \\}
+        \\
+    );
+}
+
 test "zig fmt: container initializers" {
     try testCanonical(
         \\const a0 = []u8{};