https://github.com/DaanDeMeyer created
https://github.com/llvm/llvm-project/pull/137840
Sorting by stem gives nicer results when various header file names are
substrings of other header file names, for example, a CLI application with a
main header named analyze.h and a analyze-xxx.h header for each subcommand
currently will always put analyze.h last after all the analyze-xxx.h headers,
but putting analyze.h first instead of last is arguable nicer to read.
TLDR; Instead of
"""
/#include "analyze-blame.h"
/#include "analyze.h"
"""
We'll now get
"""
/#include "analyze.h"
/#include "analyze-blame.h"
"""
>From 33b26cd645f814c83d2cc3b621c34526d0be1d29 Mon Sep 17 00:00:00 2001
From: Daan De Meyer <daan.j.deme...@gmail.com>
Date: Tue, 29 Apr 2025 18:26:36 +0200
Subject: [PATCH] clang-format: Sort includes by stem rather than full filename
Sorting by stem gives nicer results when various header file names
are substrings of other header file names, for example, a CLI application
with a main header named analyze.h and a analyze-xxx.h header for each
subcommand currently will always put analyze.h last after all the
analyze-xxx.h headers, but putting analyze.h first instead of last is arguable
nicer to read.
TLDR; Instead of
"""
/#include "analyze-blame.h"
/#include "analyze.h"
"""
We'll now get
"""
/#include "analyze.h"
/#include "analyze-blame.h"
"""
---
clang/lib/Format/Format.cpp | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index 5a1c3f556b331..bc1e681c9be78 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -3219,17 +3219,19 @@ static void sortCppIncludes(const FormatStyle &Style,
if (Style.SortIncludes == FormatStyle::SI_CaseInsensitive) {
stable_sort(Indices, [&](unsigned LHSI, unsigned RHSI) {
- const auto LHSFilenameLower = Includes[LHSI].Filename.lower();
- const auto RHSFilenameLower = Includes[RHSI].Filename.lower();
- return std::tie(Includes[LHSI].Priority, LHSFilenameLower,
- Includes[LHSI].Filename) <
- std::tie(Includes[RHSI].Priority, RHSFilenameLower,
- Includes[RHSI].Filename);
+ const auto LHSStem = llvm::sys::path::stem(Includes[LHSI].Filename);
+ const auto RHSStem = llvm::sys::path::stem(Includes[RHSI].Filename);
+ const auto LHSStemLower = LHSStem.lower();
+ const auto RHSStemLower = RHSStem.lower();
+ return std::tie(Includes[LHSI].Priority, LHSStemLower, LHSStem) <
+ std::tie(Includes[RHSI].Priority, RHSStemLower, RHSStem);
});
} else {
stable_sort(Indices, [&](unsigned LHSI, unsigned RHSI) {
- return std::tie(Includes[LHSI].Priority, Includes[LHSI].Filename) <
- std::tie(Includes[RHSI].Priority, Includes[RHSI].Filename);
+ const auto LHSStem = llvm::sys::path::stem(Includes[LHSI].Filename);
+ const auto RHSStem = llvm::sys::path::stem(Includes[RHSI].Filename);
+ return std::tie(Includes[LHSI].Priority, LHSStem) <
+ std::tie(Includes[RHSI].Priority, RHSStem);
});
}
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