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Implements support for specifying multiple ranges. 

This is backwards compatible with earlier integrations.
Also adds a basic test and a test for the ranges integration.

You can now run:
clang-format -offset=42 -length=15 -offset=150 -length=22
To re-format the ranges (42, +15) and (150, +22).

llvm-svn: 174378
This commit is contained in:
Manuel Klimek 2013-02-05 15:25:34 +00:00
parent 22174f5d5a
commit 8c651f0974
3 changed files with 40 additions and 13 deletions
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36
clang-tools-extra/clang-format/ClangFormat.cpp
View File

@ -27,12 +27,10 @@ using namespace llvm;
static cl::opt<bool> Help("h", cl::desc("Alias for -help"), cl::Hidden);
static cl::opt<int> Offset(
"offset", cl::desc("Format a range starting at this file offset."),
cl::init(0));
static cl::opt<int> Length(
"length", cl::desc("Format a range of this length, -1 for end of file."),
cl::init(-1));
static cl::list<int> Offsets(
"offset", cl::desc("Format a range starting at this file offset."));
static cl::list<int> Lengths(
"length", cl::desc("Format a range of this length, -1 for end of file."));
static cl::opt<std::string> Style(
"style",
cl::desc("Coding style, currently supports: LLVM, Google, Chromium."),
@ -86,13 +84,25 @@ static void format() {
}
FileID ID = createInMemoryFile(FileName, Code.get(), Sources, Files);
Lexer Lex(ID, Sources.getBuffer(ID), Sources, getFormattingLangOpts());
SourceLocation Start =
Sources.getLocForStartOfFile(ID).getLocWithOffset(Offset);
SourceLocation End = Sources.getLocForEndOfFile(ID);
if (Length != -1)
End = Start.getLocWithOffset(Length);
std::vector<CharSourceRange> Ranges(
1, CharSourceRange::getCharRange(Start, End));
if (Offsets.empty())
Offsets.push_back(0);
if (Offsets.size() != Lengths.size() &&
!(Offsets.size() == 1 && Lengths.empty())) {
llvm::errs() << "Number of -offset and -length arguments must match.\n";
return;
}
std::vector<CharSourceRange> Ranges;
for (cl::list<int>::size_type i = 0, e = Offsets.size(); i != e; ++i) {
SourceLocation Start =
Sources.getLocForStartOfFile(ID).getLocWithOffset(Offsets[i]);
SourceLocation End;
if (i < Lengths.size()) {
End = Start.getLocWithOffset(Lengths[i]);
} else {
End = Sources.getLocForEndOfFile(ID);
}
Ranges.push_back(CharSourceRange::getCharRange(Start, End));
}
tooling::Replacements Replaces = reformat(getStyle(), Lex, Sources, Ranges);
Rewriter Rewrite(Sources, LangOptions());
tooling::applyAllReplacements(Replaces, Rewrite);

6
clang-tools-extra/test/clang-format/basic.cpp Normal file
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@ -0,0 +1,6 @@
// RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
// RUN: clang-format -i %t.cpp
// RUN: FileCheck -input-file=%t.cpp %s
// CHECK: {{^int \*i;}}
int * i ;

11
clang-tools-extra/test/clang-format/ranges.cpp Normal file
View File

@ -0,0 +1,11 @@
// RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
// RUN: clang-format -offset=2 -length=0 -offset=28 -length=0 -i %t.cpp
// RUN: FileCheck -input-file=%t.cpp %s
// CHECK: {{^int \*i;$}}
int*i;
// CHECK: {{^ int \* i;$}}
int * i;
// CHECK: {{^int \*i;$}}
int * i;