https://github.com/owenca created
https://github.com/llvm/llvm-project/pull/143236
None
>From 1ece3adee540295efbe04fc74876efd39549e577 Mon Sep 17 00:00:00 2001
From: Owen Pan <owenpi...@gmail.com>
Date: Fri, 6 Jun 2025 23:10:18 -0700
Subject: [PATCH] [clang-format][NFC] Clean up fillRanges() in ClangFormat.cpp
---
clang/tools/clang-format/ClangFormat.cpp | 43 ++++++++++++------------
1 file changed, 22 insertions(+), 21 deletions(-)
diff --git a/clang/tools/clang-format/ClangFormat.cpp
b/clang/tools/clang-format/ClangFormat.cpp
index b22d3aaf3183b..441ed442a30a9 100644
--- a/clang/tools/clang-format/ClangFormat.cpp
+++ b/clang/tools/clang-format/ClangFormat.cpp
@@ -244,17 +244,17 @@ static bool fillRanges(MemoryBuffer *Code,
DiagnosticsEngine Diagnostics(
IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs), DiagOpts);
SourceManager Sources(Diagnostics, Files);
- FileID ID = createInMemoryFile("<irrelevant>", *Code, Sources, Files,
- InMemoryFileSystem.get());
+ const auto ID = createInMemoryFile("<irrelevant>", *Code, Sources, Files,
+ InMemoryFileSystem.get());
if (!LineRanges.empty()) {
if (!Offsets.empty() || !Lengths.empty()) {
errs() << "error: cannot use -lines with -offset/-length\n";
return true;
}
- for (unsigned i = 0, e = LineRanges.size(); i < e; ++i) {
+ for (const auto &LineRange : LineRanges) {
unsigned FromLine, ToLine;
- if (parseLineRange(LineRanges[i], FromLine, ToLine)) {
+ if (parseLineRange(LineRange, FromLine, ToLine)) {
errs() << "error: invalid <start line>:<end line> pair\n";
return true;
}
@@ -266,12 +266,12 @@ static bool fillRanges(MemoryBuffer *Code,
errs() << "error: start line should not exceed end line\n";
return true;
}
- SourceLocation Start = Sources.translateLineCol(ID, FromLine, 1);
- SourceLocation End = Sources.translateLineCol(ID, ToLine, UINT_MAX);
+ const auto Start = Sources.translateLineCol(ID, FromLine, 1);
+ const auto End = Sources.translateLineCol(ID, ToLine, UINT_MAX);
if (Start.isInvalid() || End.isInvalid())
return true;
- unsigned Offset = Sources.getFileOffset(Start);
- unsigned Length = Sources.getFileOffset(End) - Offset;
+ const auto Offset = Sources.getFileOffset(Start);
+ const auto Length = Sources.getFileOffset(End) - Offset;
Ranges.push_back(tooling::Range(Offset, Length));
}
return false;
@@ -284,27 +284,28 @@ static bool fillRanges(MemoryBuffer *Code,
errs() << "error: number of -offset and -length arguments must match.\n";
return true;
}
- for (unsigned i = 0, e = Offsets.size(); i != e; ++i) {
- if (Offsets[i] >= Code->getBufferSize()) {
- errs() << "error: offset " << Offsets[i] << " is outside the file\n";
+ for (unsigned I = 0, E = Offsets.size(), Size = Lengths.size(); I < E; ++I) {
+ auto Offset = Offsets[I];
+ if (Offset >= Code->getBufferSize()) {
+ errs() << "error: offset " << Offset << " is outside the file\n";
return true;
}
- SourceLocation Start =
- Sources.getLocForStartOfFile(ID).getLocWithOffset(Offsets[i]);
+ const auto Start =
+ Sources.getLocForStartOfFile(ID).getLocWithOffset(Offset);
SourceLocation End;
- if (i < Lengths.size()) {
- if (Offsets[i] + Lengths[i] > Code->getBufferSize()) {
- errs() << "error: invalid length " << Lengths[i]
- << ", offset + length (" << Offsets[i] + Lengths[i]
- << ") is outside the file.\n";
+ if (I < Size) {
+ const auto L = Lengths[I];
+ if (Offset + L > Code->getBufferSize()) {
+ errs() << "error: invalid length " << L << ", offset + length ("
+ << Offset + L << ") is outside the file.\n";
return true;
}
- End = Start.getLocWithOffset(Lengths[i]);
+ End = Start.getLocWithOffset(L);
} else {
End = Sources.getLocForEndOfFile(ID);
}
- unsigned Offset = Sources.getFileOffset(Start);
- unsigned Length = Sources.getFileOffset(End) - Offset;
+ Offset = Sources.getFileOffset(Start);
+ const auto Length = Sources.getFileOffset(End) - Offset;
Ranges.push_back(tooling::Range(Offset, Length));
}
return false;
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