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-rw-r--r--tools/libclang/CIndex.cpp4
-rw-r--r--tools/libclang/CMakeLists.txt2
-rw-r--r--tools/libclang/CXComment.cpp74
-rw-r--r--tools/libclang/CXTranslationUnit.h2
-rw-r--r--tools/libclang/Makefile3
-rw-r--r--tools/libclang/SimpleFormatContext.h73
6 files changed, 153 insertions, 5 deletions
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 3532abd363..177b3a6d51 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -21,6 +21,7 @@
#include "CXTranslationUnit.h"
#include "CXType.h"
#include "CursorVisitor.h"
+#include "SimpleFormatContext.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/Version.h"
@@ -61,6 +62,8 @@ CXTranslationUnit cxtu::MakeCXTranslationUnit(CIndexer *CIdx, ASTUnit *TU) {
D->StringPool = createCXStringPool();
D->Diagnostics = 0;
D->OverridenCursorsPool = createOverridenCXCursorsPool();
+ D->FormatContext = 0;
+ D->FormatInMemoryUniqueId = 0;
return D;
}
@@ -2779,6 +2782,7 @@ void clang_disposeTranslationUnit(CXTranslationUnit CTUnit) {
disposeCXStringPool(CTUnit->StringPool);
delete static_cast<CXDiagnosticSetImpl *>(CTUnit->Diagnostics);
disposeOverridenCXCursorsPool(CTUnit->OverridenCursorsPool);
+ delete static_cast<SimpleFormatContext*>(CTUnit->FormatContext);
delete CTUnit;
}
}
diff --git a/tools/libclang/CMakeLists.txt b/tools/libclang/CMakeLists.txt
index 1426c42b46..69480db4fe 100644
--- a/tools/libclang/CMakeLists.txt
+++ b/tools/libclang/CMakeLists.txt
@@ -38,6 +38,7 @@ set(SOURCES
Indexing.cpp
IndexingContext.cpp
IndexingContext.h
+ SimpleFormatContext.h
../../include/clang-c/Index.h
)
@@ -54,6 +55,7 @@ set(LIBRARIES
clangLex
clangTooling
clangBasic
+ clangFormat
)
set(GENERATED_HEADERS
diff --git a/tools/libclang/CXComment.cpp b/tools/libclang/CXComment.cpp
index 8c8fe74bba..070b8b8207 100644
--- a/tools/libclang/CXComment.cpp
+++ b/tools/libclang/CXComment.cpp
@@ -15,13 +15,17 @@
#include "CXComment.h"
#include "CXCursor.h"
#include "CXString.h"
+#include "SimpleFormatContext.h"
#include "clang/AST/CommentCommandTraits.h"
#include "clang/AST/CommentVisitor.h"
#include "clang/AST/Decl.h"
#include "clang/AST/PrettyPrinter.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
+#include "clang/Format/Format.h"
+#include "clang/Lex/Lexer.h"
#include <climits>
using namespace clang;
@@ -856,8 +860,12 @@ public:
CommentASTToXMLConverter(const FullComment *FC,
SmallVectorImpl<char> &Str,
const CommandTraits &Traits,
- const SourceManager &SM) :
- FC(FC), Result(Str), Traits(Traits), SM(SM) { }
+ const SourceManager &SM,
+ SimpleFormatContext &RTC,
+ unsigned FUID) :
+ FC(FC), Result(Str), Traits(Traits), SM(SM),
+ FormatRewriterContext(RTC),
+ FormatInMemoryUniqueId(FUID) { }
// Inline content.
void visitTextComment(const TextComment *C);
@@ -878,6 +886,10 @@ public:
// Helpers.
void appendToResultWithXMLEscaping(StringRef S);
+
+ unsigned getFormatInMemoryUniqueId() { return FormatInMemoryUniqueId; }
+ SimpleFormatContext &getFormatRewriterContext()
+ { return FormatRewriterContext; }
private:
const FullComment *FC;
@@ -887,6 +899,8 @@ private:
const CommandTraits &Traits;
const SourceManager &SM;
+ SimpleFormatContext &FormatRewriterContext;
+ unsigned FormatInMemoryUniqueId;
};
void getSourceTextOfDeclaration(const DeclInfo *ThisDecl,
@@ -900,6 +914,43 @@ void getSourceTextOfDeclaration(const DeclInfo *ThisDecl,
ThisDecl->CurrentDecl->print(OS, PPolicy,
/*Indentation*/0, /*PrintInstantiation*/true);
}
+
+void formatTextOfDeclaration(CommentASTToXMLConverter *C,
+ const DeclInfo *DI,
+ SmallString<128> &Declaration) {
+ // FIXME. This conditional is TEMPORARY. We don't want to break multiple
+ // large tests each time Format.cpp changes. This condition will
+ // go away and formatting will happen for all declarations.
+ if (getenv("LIBCLANG_ACTIVATE_FORMAT")) {
+ SimpleFormatContext &FormatRewriterContext =
+ C->getFormatRewriterContext();
+ // FIXME. formatting API expects null terminated input string.
+ // There might be more efficient way of doing this.
+ std::string StringDecl = Declaration.str();
+
+ // Formatter specific code.
+ // Form a unique in memory buffer name.
+ llvm::SmallString<128> filename;
+ filename += "xmldecl";
+ filename += llvm::utostr(C->getFormatInMemoryUniqueId());
+ filename += ".xd";
+ FileID ID = FormatRewriterContext.createInMemoryFile(filename, StringDecl);
+ SourceLocation Start =
+ FormatRewriterContext.Sources.getLocForStartOfFile(ID).getLocWithOffset(0);
+ unsigned Length = Declaration.size();
+
+ std::vector<CharSourceRange>
+ Ranges(1, CharSourceRange::getCharRange(Start, Start.getLocWithOffset(Length)));
+ ASTContext &Context = DI->CurrentDecl->getASTContext();
+ const LangOptions &LangOpts = Context.getLangOpts();
+ Lexer Lex(ID, FormatRewriterContext.Sources.getBuffer(ID),
+ FormatRewriterContext.Sources, LangOpts);
+ tooling::Replacements Replace =
+ reformat(format::getLLVMStyle(), Lex, FormatRewriterContext.Sources, Ranges);
+ applyAllReplacements(Replace, FormatRewriterContext.Rewrite);
+ Declaration = FormatRewriterContext.getRewrittenText(ID);
+ }
+}
} // end unnamed namespace
@@ -1165,7 +1216,9 @@ void CommentASTToXMLConverter::visitFullComment(const FullComment *C) {
Result << "<Declaration>";
SmallString<128> Declaration;
getSourceTextOfDeclaration(DI, Declaration);
+ formatTextOfDeclaration(this, DI, Declaration);
appendToResultWithXMLEscaping(Declaration);
+
Result << "</Declaration>";
}
@@ -1320,12 +1373,25 @@ CXString clang_FullComment_getAsXML(CXComment CXC) {
const FullComment *FC = getASTNodeAs<FullComment>(CXC);
if (!FC)
return createCXString((const char *) 0);
-
+ ASTContext &Context = FC->getDeclInfo()->CurrentDecl->getASTContext();
CXTranslationUnit TU = CXC.TranslationUnit;
SourceManager &SM = static_cast<ASTUnit *>(TU->TUData)->getSourceManager();
+
+ SimpleFormatContext *SFC =
+ static_cast<SimpleFormatContext*>(TU->FormatContext);
+ if (!SFC) {
+ SFC = new SimpleFormatContext(Context.getLangOpts());
+ TU->FormatContext = SFC;
+ }
+ else if ((TU->FormatInMemoryUniqueId % 10) == 0) {
+ delete SFC;
+ SFC = new SimpleFormatContext(Context.getLangOpts());
+ TU->FormatContext = SFC;
+ }
SmallString<1024> XML;
- CommentASTToXMLConverter Converter(FC, XML, getCommandTraits(CXC), SM);
+ CommentASTToXMLConverter Converter(FC, XML, getCommandTraits(CXC), SM,
+ *SFC, TU->FormatInMemoryUniqueId++);
Converter.visit(FC);
return createCXString(XML.str(), /* DupString = */ true);
}
diff --git a/tools/libclang/CXTranslationUnit.h b/tools/libclang/CXTranslationUnit.h
index 37789aafb9..1c713bf2d6 100644
--- a/tools/libclang/CXTranslationUnit.h
+++ b/tools/libclang/CXTranslationUnit.h
@@ -21,6 +21,8 @@ struct CXTranslationUnitImpl {
void *StringPool;
void *Diagnostics;
void *OverridenCursorsPool;
+ void *FormatContext;
+ unsigned FormatInMemoryUniqueId;
};
}
diff --git a/tools/libclang/Makefile b/tools/libclang/Makefile
index 93f63cf86c..01223e0116 100644
--- a/tools/libclang/Makefile
+++ b/tools/libclang/Makefile
@@ -21,7 +21,8 @@ USEDLIBS = clangARCMigrate.a clangRewriteCore.a clangRewriteFrontend.a \
clangFrontend.a clangDriver.a \
clangSerialization.a \
clangParse.a clangSema.a clangEdit.a clangAnalysis.a \
- clangAST.a clangLex.a clangTooling.a clangBasic.a
+ clangAST.a clangLex.a clangTooling.a clangBasic.a \
+ clangFormat.a
include $(CLANG_LEVEL)/Makefile
diff --git a/tools/libclang/SimpleFormatContext.h b/tools/libclang/SimpleFormatContext.h
new file mode 100644
index 0000000000..f322e63d06
--- /dev/null
+++ b/tools/libclang/SimpleFormatContext.h
@@ -0,0 +1,73 @@
+//===--- SimpleFormatContext.h ----------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines a utility class for Rewriter related tests.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_SIMPLE_FORM_CONTEXT_H
+#define LLVM_CLANG_SIMPLE_FORM_CONTEXT_H
+
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticOptions.h"
+#include "clang/Basic/FileManager.h"
+#include "clang/Basic/LangOptions.h"
+#include "clang/Basic/SourceManager.h"
+#include "clang/Rewrite/Core/Rewriter.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace clang {
+
+/// \brief A small class to be used by libclang clients to format
+/// a declaration string in memory. This object is instantiated once
+/// and used each time a formatting is needed.
+class SimpleFormatContext {
+ public:
+ SimpleFormatContext(LangOptions Options)
+ : DiagOpts(new DiagnosticOptions()),
+ Diagnostics(new DiagnosticsEngine(new DiagnosticIDs,
+ DiagOpts.getPtr())),
+ Files((FileSystemOptions())),
+ Sources(*Diagnostics, Files),
+ Rewrite(Sources, Options) {
+ Diagnostics->setClient(new IgnoringDiagConsumer, true);
+ }
+
+ ~SimpleFormatContext() { }
+
+ FileID createInMemoryFile(StringRef Name, StringRef Content) {
+ const llvm::MemoryBuffer *Source =
+ llvm::MemoryBuffer::getMemBuffer(Content);
+ const FileEntry *Entry =
+ Files.getVirtualFile(Name, Source->getBufferSize(), 0);
+ Sources.overrideFileContents(Entry, Source, true);
+ assert(Entry != NULL);
+ return Sources.createFileID(Entry, SourceLocation(), SrcMgr::C_User);
+ }
+
+ std::string getRewrittenText(FileID ID) {
+ std::string Result;
+ llvm::raw_string_ostream OS(Result);
+ Rewrite.getEditBuffer(ID).write(OS);
+ OS.flush();
+ return Result;
+ }
+
+ llvm::IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
+ llvm::IntrusiveRefCntPtr<DiagnosticsEngine> Diagnostics;
+ FileManager Files;
+ SourceManager Sources;
+ Rewriter Rewrite;
+};
+
+} // end namespace clang
+
+#endif
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-08-04 06:20:20 +0000