https://github.com/kakkoko updated
https://github.com/llvm/llvm-project/pull/113100
>From 7a315297c29244fb9a7358b962784c2fd984986c Mon Sep 17 00:00:00 2001
From: kakkoko <kakk...@pushf.jp>
Date: Mon, 21 Oct 2024 03:48:13 +0900
Subject: [PATCH] [clang-format] Fix working -assume-filename with
.clang-format-ignore
The filename given by the `-assume-filename` option is used to search
for `.clang-format` files, etc., but is not used to match the contents
of the `.clang-format-ignore` file.
Fixed that when the `-assume-filename` option is specified, the
`.clang-format-ignore` file is processed for that filename.
---
clang/test/Format/clang-format-ignore.cpp | 11 +++++++++++
clang/tools/clang-format/ClangFormat.cpp | 6 +++++-
2 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/clang/test/Format/clang-format-ignore.cpp
b/clang/test/Format/clang-format-ignore.cpp
index fb49fa9dd52c65..198ef3200a3845 100644
--- a/clang/test/Format/clang-format-ignore.cpp
+++ b/clang/test/Format/clang-format-ignore.cpp
@@ -46,5 +46,16 @@
// CHECK5-NEXT: {{Formatting \[4/5] .*foo\.c}}
// CHECK5-NOT: foo.js
+// RUN: echo "foo.*" > .clang-format-ignore
+// RUN: touch foo.c
+// RUN: echo foo | clang-format -assume-filename=foo.c 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK6 -allow-empty
+// CHECK6-NOT: foo
+
+// RUN: touch bar.c
+// RUN: echo foo | clang-format -assume-filename=bar.c 2>&1 \
+// RUN: | FileCheck %s -check-prefix=CHECK7 -allow-empty
+// CHECK7: foo
+
// RUN: cd ..
// RUN: rm -r %t.dir
diff --git a/clang/tools/clang-format/ClangFormat.cpp
b/clang/tools/clang-format/ClangFormat.cpp
index 108db7204aa68a..84eaf32cc44498 100644
--- a/clang/tools/clang-format/ClangFormat.cpp
+++ b/clang/tools/clang-format/ClangFormat.cpp
@@ -707,8 +707,12 @@ int main(int argc, const char **argv) {
errs() << "Clang-formatting " << LineNo << " files\n";
}
- if (FileNames.empty())
+ if (FileNames.empty()) {
+ if (!AssumeFileName.empty() && isIgnored(AssumeFileName)) {
+ return 0;
+ }
return clang::format::format("-", FailOnIncompleteFormat);
+ }
if (FileNames.size() > 1 &&
(!Offsets.empty() || !Lengths.empty() || !LineRanges.empty())) {
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