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authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/tools/arcmt-test
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff)
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/tools/arcmt-test')
-rw-r--r--clang/tools/arcmt-test/CMakeLists.txt14
-rw-r--r--clang/tools/arcmt-test/Makefile24
-rw-r--r--clang/tools/arcmt-test/arcmt-test.cpp376
3 files changed, 414 insertions, 0 deletions
diff --git a/clang/tools/arcmt-test/CMakeLists.txt b/clang/tools/arcmt-test/CMakeLists.txt
new file mode 100644
index 0000000..a0029b4
--- /dev/null
+++ b/clang/tools/arcmt-test/CMakeLists.txt
@@ -0,0 +1,14 @@
+set(LLVM_USED_LIBS
+ clangARCMigrate
+ clangEdit
+ clangRewrite
+ )
+
+set( LLVM_LINK_COMPONENTS
+ support
+ mc
+ )
+
+add_clang_executable(arcmt-test
+ arcmt-test.cpp
+ )
diff --git a/clang/tools/arcmt-test/Makefile b/clang/tools/arcmt-test/Makefile
new file mode 100644
index 0000000..57cd574
--- /dev/null
+++ b/clang/tools/arcmt-test/Makefile
@@ -0,0 +1,24 @@
+##===- tools/arcmt-test/Makefile ---------------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+CLANG_LEVEL := ../..
+
+TOOLNAME = arcmt-test
+
+# No plugins, optimize startup time.
+TOOL_NO_EXPORTS = 1
+
+# Don't install this. It is used for tests.
+NO_INSTALL = 1
+
+LINK_COMPONENTS := support mc
+USEDLIBS = clangARCMigrate.a clangRewrite.a \
+ clangFrontend.a clangDriver.a clangSerialization.a clangParse.a \
+ clangSema.a clangEdit.a clangAnalysis.a clangAST.a clangLex.a clangBasic.a
+
+include $(CLANG_LEVEL)/Makefile
diff --git a/clang/tools/arcmt-test/arcmt-test.cpp b/clang/tools/arcmt-test/arcmt-test.cpp
new file mode 100644
index 0000000..3983c24
--- /dev/null
+++ b/clang/tools/arcmt-test/arcmt-test.cpp
@@ -0,0 +1,376 @@
+//===-- arcmt-test.cpp - ARC Migration Tool testbed -----------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/ARCMigrate/ARCMT.h"
+#include "clang/Frontend/ASTUnit.h"
+#include "clang/Frontend/TextDiagnosticPrinter.h"
+#include "clang/Frontend/VerifyDiagnosticConsumer.h"
+#include "clang/Frontend/Utils.h"
+#include "clang/Lex/Preprocessor.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/system_error.h"
+
+using namespace clang;
+using namespace arcmt;
+
+static llvm::cl::opt<bool>
+CheckOnly("check-only",
+ llvm::cl::desc("Just check for issues that need to be handled manually"));
+
+//static llvm::cl::opt<bool>
+//TestResultForARC("test-result",
+//llvm::cl::desc("Test the result of transformations by parsing it in ARC mode"));
+
+static llvm::cl::opt<bool>
+OutputTransformations("output-transformations",
+ llvm::cl::desc("Print the source transformations"));
+
+static llvm::cl::opt<bool>
+VerifyDiags("verify",llvm::cl::desc("Verify emitted diagnostics and warnings"));
+
+static llvm::cl::opt<bool>
+VerboseOpt("v", llvm::cl::desc("Enable verbose output"));
+
+static llvm::cl::opt<bool>
+VerifyTransformedFiles("verify-transformed-files",
+llvm::cl::desc("Read pairs of file mappings (typically the output of "
+ "c-arcmt-test) and compare their contents with the filenames "
+ "provided in command-line"));
+
+static llvm::cl::opt<std::string>
+RemappingsFile("remappings-file",
+ llvm::cl::desc("Pairs of file mappings (typically the output of "
+ "c-arcmt-test)"));
+
+static llvm::cl::list<std::string>
+ResultFiles(llvm::cl::Positional, llvm::cl::desc("<filename>..."));
+
+static llvm::cl::extrahelp extraHelp(
+ "\nusage with compiler args: arcmt-test [options] --args [compiler flags]\n");
+
+// This function isn't referenced outside its translation unit, but it
+// can't use the "static" keyword because its address is used for
+// GetMainExecutable (since some platforms don't support taking the
+// address of main, and some platforms can't implement GetMainExecutable
+// without being given the address of a function in the main executable).
+llvm::sys::Path GetExecutablePath(const char *Argv0) {
+ // This just needs to be some symbol in the binary; C++ doesn't
+ // allow taking the address of ::main however.
+ void *MainAddr = (void*) (intptr_t) GetExecutablePath;
+ return llvm::sys::Path::GetMainExecutable(Argv0, MainAddr);
+}
+
+static void printSourceLocation(SourceLocation loc, ASTContext &Ctx,
+ raw_ostream &OS);
+static void printSourceRange(CharSourceRange range, ASTContext &Ctx,
+ raw_ostream &OS);
+
+namespace {
+
+class PrintTransforms : public MigrationProcess::RewriteListener {
+ ASTContext *Ctx;
+ raw_ostream &OS;
+
+public:
+ PrintTransforms(raw_ostream &OS)
+ : Ctx(0), OS(OS) { }
+
+ virtual void start(ASTContext &ctx) { Ctx = &ctx; }
+ virtual void finish() { Ctx = 0; }
+
+ virtual void insert(SourceLocation loc, StringRef text) {
+ assert(Ctx);
+ OS << "Insert: ";
+ printSourceLocation(loc, *Ctx, OS);
+ OS << " \"" << text << "\"\n";
+ }
+
+ virtual void remove(CharSourceRange range) {
+ assert(Ctx);
+ OS << "Remove: ";
+ printSourceRange(range, *Ctx, OS);
+ OS << '\n';
+ }
+};
+
+} // anonymous namespace
+
+static bool checkForMigration(StringRef resourcesPath,
+ ArrayRef<const char *> Args) {
+ DiagnosticConsumer *DiagClient =
+ new TextDiagnosticPrinter(llvm::errs(), DiagnosticOptions());
+ IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
+ IntrusiveRefCntPtr<DiagnosticsEngine> Diags(
+ new DiagnosticsEngine(DiagID, DiagClient));
+ // Chain in -verify checker, if requested.
+ VerifyDiagnosticConsumer *verifyDiag = 0;
+ if (VerifyDiags) {
+ verifyDiag = new VerifyDiagnosticConsumer(*Diags);
+ Diags->setClient(verifyDiag);
+ }
+
+ CompilerInvocation CI;
+ if (!CompilerInvocation::CreateFromArgs(CI, Args.begin(), Args.end(), *Diags))
+ return true;
+
+ if (CI.getFrontendOpts().Inputs.empty()) {
+ llvm::errs() << "error: no input files\n";
+ return true;
+ }
+
+ if (!CI.getLangOpts()->ObjC1)
+ return false;
+
+ arcmt::checkForManualIssues(CI, CI.getFrontendOpts().Inputs[0],
+ Diags->getClient());
+ return Diags->getClient()->getNumErrors() > 0;
+}
+
+static void printResult(FileRemapper &remapper, raw_ostream &OS) {
+ PreprocessorOptions PPOpts;
+ remapper.applyMappings(PPOpts);
+ // The changed files will be in memory buffers, print them.
+ for (unsigned i = 0, e = PPOpts.RemappedFileBuffers.size(); i != e; ++i) {
+ const llvm::MemoryBuffer *mem = PPOpts.RemappedFileBuffers[i].second;
+ OS << mem->getBuffer();
+ }
+}
+
+static bool performTransformations(StringRef resourcesPath,
+ ArrayRef<const char *> Args) {
+ // Check first.
+ if (checkForMigration(resourcesPath, Args))
+ return true;
+
+ DiagnosticConsumer *DiagClient =
+ new TextDiagnosticPrinter(llvm::errs(), DiagnosticOptions());
+ IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
+ IntrusiveRefCntPtr<DiagnosticsEngine> TopDiags(
+ new DiagnosticsEngine(DiagID, DiagClient));
+
+ CompilerInvocation origCI;
+ if (!CompilerInvocation::CreateFromArgs(origCI, Args.begin(), Args.end(),
+ *TopDiags))
+ return true;
+
+ if (origCI.getFrontendOpts().Inputs.empty()) {
+ llvm::errs() << "error: no input files\n";
+ return true;
+ }
+
+ if (!origCI.getLangOpts()->ObjC1)
+ return false;
+
+ MigrationProcess migration(origCI, DiagClient);
+
+ std::vector<TransformFn>
+ transforms = arcmt::getAllTransformations(origCI.getLangOpts()->getGC(),
+ origCI.getMigratorOpts().NoFinalizeRemoval);
+ assert(!transforms.empty());
+
+ OwningPtr<PrintTransforms> transformPrinter;
+ if (OutputTransformations)
+ transformPrinter.reset(new PrintTransforms(llvm::outs()));
+
+ for (unsigned i=0, e = transforms.size(); i != e; ++i) {
+ bool err = migration.applyTransform(transforms[i], transformPrinter.get());
+ if (err) return true;
+
+ if (VerboseOpt) {
+ if (i == e-1)
+ llvm::errs() << "\n##### FINAL RESULT #####\n";
+ else
+ llvm::errs() << "\n##### OUTPUT AFTER "<< i+1 <<". TRANSFORMATION #####\n";
+ printResult(migration.getRemapper(), llvm::errs());
+ llvm::errs() << "\n##########################\n\n";
+ }
+ }
+
+ if (!OutputTransformations)
+ printResult(migration.getRemapper(), llvm::outs());
+
+ // FIXME: TestResultForARC
+
+ return false;
+}
+
+static bool filesCompareEqual(StringRef fname1, StringRef fname2) {
+ using namespace llvm;
+
+ OwningPtr<MemoryBuffer> file1;
+ MemoryBuffer::getFile(fname1, file1);
+ if (!file1)
+ return false;
+
+ OwningPtr<MemoryBuffer> file2;
+ MemoryBuffer::getFile(fname2, file2);
+ if (!file2)
+ return false;
+
+ return file1->getBuffer() == file2->getBuffer();
+}
+
+static bool verifyTransformedFiles(ArrayRef<std::string> resultFiles) {
+ using namespace llvm;
+
+ assert(!resultFiles.empty());
+
+ std::map<StringRef, StringRef> resultMap;
+
+ for (ArrayRef<std::string>::iterator
+ I = resultFiles.begin(), E = resultFiles.end(); I != E; ++I) {
+ StringRef fname(*I);
+ if (!fname.endswith(".result")) {
+ errs() << "error: filename '" << fname
+ << "' does not have '.result' extension\n";
+ return true;
+ }
+ resultMap[sys::path::stem(fname)] = fname;
+ }
+
+ OwningPtr<MemoryBuffer> inputBuf;
+ if (RemappingsFile.empty())
+ MemoryBuffer::getSTDIN(inputBuf);
+ else
+ MemoryBuffer::getFile(RemappingsFile, inputBuf);
+ if (!inputBuf) {
+ errs() << "error: could not read remappings input\n";
+ return true;
+ }
+
+ SmallVector<StringRef, 8> strs;
+ inputBuf->getBuffer().split(strs, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false);
+
+ if (strs.empty()) {
+ errs() << "error: no files to verify from stdin\n";
+ return true;
+ }
+ if (strs.size() % 2 != 0) {
+ errs() << "error: files to verify are not original/result pairs\n";
+ return true;
+ }
+
+ for (unsigned i = 0, e = strs.size(); i != e; i += 2) {
+ StringRef inputOrigFname = strs[i];
+ StringRef inputResultFname = strs[i+1];
+
+ std::map<StringRef, StringRef>::iterator It;
+ It = resultMap.find(sys::path::filename(inputOrigFname));
+ if (It == resultMap.end()) {
+ errs() << "error: '" << inputOrigFname << "' is not in the list of "
+ << "transformed files to verify\n";
+ return true;
+ }
+
+ bool exists = false;
+ sys::fs::exists(It->second, exists);
+ if (!exists) {
+ errs() << "error: '" << It->second << "' does not exist\n";
+ return true;
+ }
+ sys::fs::exists(inputResultFname, exists);
+ if (!exists) {
+ errs() << "error: '" << inputResultFname << "' does not exist\n";
+ return true;
+ }
+
+ if (!filesCompareEqual(It->second, inputResultFname)) {
+ errs() << "error: '" << It->second << "' is different than "
+ << "'" << inputResultFname << "'\n";
+ return true;
+ }
+
+ resultMap.erase(It);
+ }
+
+ if (!resultMap.empty()) {
+ for (std::map<StringRef, StringRef>::iterator
+ I = resultMap.begin(), E = resultMap.end(); I != E; ++I)
+ errs() << "error: '" << I->second << "' was not verified!\n";
+ return true;
+ }
+
+ return false;
+}
+
+//===----------------------------------------------------------------------===//
+// Misc. functions.
+//===----------------------------------------------------------------------===//
+
+static void printSourceLocation(SourceLocation loc, ASTContext &Ctx,
+ raw_ostream &OS) {
+ SourceManager &SM = Ctx.getSourceManager();
+ PresumedLoc PL = SM.getPresumedLoc(loc);
+
+ OS << llvm::sys::path::filename(PL.getFilename());
+ OS << ":" << PL.getLine() << ":"
+ << PL.getColumn();
+}
+
+static void printSourceRange(CharSourceRange range, ASTContext &Ctx,
+ raw_ostream &OS) {
+ SourceManager &SM = Ctx.getSourceManager();
+ const LangOptions &langOpts = Ctx.getLangOpts();
+
+ PresumedLoc PL = SM.getPresumedLoc(range.getBegin());
+
+ OS << llvm::sys::path::filename(PL.getFilename());
+ OS << " [" << PL.getLine() << ":"
+ << PL.getColumn();
+ OS << " - ";
+
+ SourceLocation end = range.getEnd();
+ PL = SM.getPresumedLoc(end);
+
+ unsigned endCol = PL.getColumn() - 1;
+ if (!range.isTokenRange())
+ endCol += Lexer::MeasureTokenLength(end, SM, langOpts);
+ OS << PL.getLine() << ":" << endCol << "]";
+}
+
+//===----------------------------------------------------------------------===//
+// Command line processing.
+//===----------------------------------------------------------------------===//
+
+int main(int argc, const char **argv) {
+ void *MainAddr = (void*) (intptr_t) GetExecutablePath;
+ llvm::sys::PrintStackTraceOnErrorSignal();
+
+ std::string
+ resourcesPath = CompilerInvocation::GetResourcesPath(argv[0], MainAddr);
+
+ int optargc = 0;
+ for (; optargc != argc; ++optargc) {
+ if (StringRef(argv[optargc]) == "--args")
+ break;
+ }
+ llvm::cl::ParseCommandLineOptions(optargc, argv, "arcmt-test");
+
+ if (VerifyTransformedFiles) {
+ if (ResultFiles.empty()) {
+ llvm::cl::PrintHelpMessage();
+ return 1;
+ }
+ return verifyTransformedFiles(ResultFiles);
+ }
+
+ if (optargc == argc) {
+ llvm::cl::PrintHelpMessage();
+ return 1;
+ }
+
+ ArrayRef<const char*> Args(argv+optargc+1, argc-optargc-1);
+
+ if (CheckOnly)
+ return checkForMigration(resourcesPath, Args);
+
+ return performTransformations(resourcesPath, Args);
+}