diff options
Diffstat (limited to 'contrib/llvm/tools/clang/examples/clang-interpreter')
4 files changed, 0 insertions, 232 deletions
diff --git a/contrib/llvm/tools/clang/examples/clang-interpreter/CMakeLists.txt b/contrib/llvm/tools/clang/examples/clang-interpreter/CMakeLists.txt deleted file mode 100644 index 0f63b5f..0000000 --- a/contrib/llvm/tools/clang/examples/clang-interpreter/CMakeLists.txt +++ /dev/null @@ -1,30 +0,0 @@ -set(LLVM_NO_RTTI 1) - -set(LLVM_USED_LIBS - clangFrontend - clangDriver - clangCodeGen - clangSema - clangChecker - clangAnalysis - clangRewrite - clangAST - clangParse - clangLex - clangBasic - ) - -set(LLVM_LINK_COMPONENTS - jit - interpreter - nativecodegen - bitreader - bitwriter - ipo - selectiondag - ) - -add_clang_executable(clang-interpreter - main.cpp - ) -add_dependencies(clang-interpreter clang-headers) diff --git a/contrib/llvm/tools/clang/examples/clang-interpreter/Makefile b/contrib/llvm/tools/clang/examples/clang-interpreter/Makefile deleted file mode 100644 index fecc3f5..0000000 --- a/contrib/llvm/tools/clang/examples/clang-interpreter/Makefile +++ /dev/null @@ -1,30 +0,0 @@ -##===- examples/clang-interpreter/Makefile -----------------*- Makefile -*-===## -# -# The LLVM Compiler Infrastructure -# -# This file is distributed under the University of Illinois Open Source -# License. See LICENSE.TXT for details. -# -##===----------------------------------------------------------------------===## - -LEVEL = ../../../.. - -TOOLNAME = clang-interpreter -CPPFLAGS += -I$(PROJ_SRC_DIR)/../../include -I$(PROJ_OBJ_DIR)/../../include -NO_INSTALL = 1 - -# No plugins, optimize startup time. -TOOL_NO_EXPORTS = 1 - -# Include this here so we can get the configuration of the targets that have -# been configured for construction. We have to do this early so we can set up -# LINK_COMPONENTS before including Makefile.rules -include $(LEVEL)/Makefile.config - -LINK_COMPONENTS := jit interpreter nativecodegen bitreader bitwriter ipo \ - selectiondag -USEDLIBS = clangFrontend.a clangDriver.a clangCodeGen.a clangSema.a \ - clangChecker.a clangAnalysis.a clangRewrite.a clangAST.a \ - clangParse.a clangLex.a clangBasic.a - -include $(LLVM_SRC_ROOT)/Makefile.rules diff --git a/contrib/llvm/tools/clang/examples/clang-interpreter/README.txt b/contrib/llvm/tools/clang/examples/clang-interpreter/README.txt deleted file mode 100644 index 7dd45fa..0000000 --- a/contrib/llvm/tools/clang/examples/clang-interpreter/README.txt +++ /dev/null @@ -1,17 +0,0 @@ -This is an example of Clang based interpreter, for executing standalone C -programs. - -It demonstrates the following features: - 1. Parsing standard compiler command line arguments using the Driver library. - - 2. Constructing a Clang compiler instance, using the appropriate arguments - derived in step #1. - - 3. Invoking the Clang compiler to lex, parse, syntax check, and then generate - LLVM code. - - 4. Use the LLVM JIT functionality to execute the final module. - -The implementation has many limitations and is not designed to be a full fledged -C interpreter. It is designed to demonstrate a simple but functional use of the -Clang compiler libraries. diff --git a/contrib/llvm/tools/clang/examples/clang-interpreter/main.cpp b/contrib/llvm/tools/clang/examples/clang-interpreter/main.cpp deleted file mode 100644 index 8623954..0000000 --- a/contrib/llvm/tools/clang/examples/clang-interpreter/main.cpp +++ /dev/null @@ -1,155 +0,0 @@ -//===-- examples/clang-interpreter/main.cpp - Clang C Interpreter Example -===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "clang/Driver/Compilation.h" -#include "clang/Driver/Driver.h" -#include "clang/Driver/Tool.h" -#include "clang/Frontend/CodeGenAction.h" -#include "clang/Frontend/CompilerInvocation.h" -#include "clang/Frontend/CompilerInstance.h" -#include "clang/Frontend/DiagnosticOptions.h" -#include "clang/Frontend/FrontendDiagnostic.h" -#include "clang/Frontend/TextDiagnosticPrinter.h" - -#include "llvm/LLVMContext.h" -#include "llvm/Module.h" -#include "llvm/Config/config.h" -#include "llvm/ADT/OwningPtr.h" -#include "llvm/ADT/SmallString.h" -#include "llvm/Config/config.h" -#include "llvm/ExecutionEngine/ExecutionEngine.h" -#include "llvm/Support/ManagedStatic.h" -#include "llvm/Support/raw_ostream.h" -#include "llvm/System/Host.h" -#include "llvm/System/Path.h" -#include "llvm/Target/TargetSelect.h" -using namespace clang; -using namespace clang::driver; - -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); -} - -int Execute(llvm::Module *Mod, char * const *envp) { - llvm::InitializeNativeTarget(); - - std::string Error; - llvm::OwningPtr<llvm::ExecutionEngine> EE( - llvm::ExecutionEngine::createJIT(Mod, &Error)); - if (!EE) { - llvm::errs() << "unable to make execution engine: " << Error << "\n"; - return 255; - } - - llvm::Function *EntryFn = Mod->getFunction("main"); - if (!EntryFn) { - llvm::errs() << "'main' function not found in module.\n"; - return 255; - } - - // FIXME: Support passing arguments. - std::vector<std::string> Args; - Args.push_back(Mod->getModuleIdentifier()); - - return EE->runFunctionAsMain(EntryFn, Args, envp); -} - -int main(int argc, const char **argv, char * const *envp) { - void *MainAddr = (void*) (intptr_t) GetExecutablePath; - llvm::sys::Path Path = GetExecutablePath(argv[0]); - TextDiagnosticPrinter DiagClient(llvm::errs(), DiagnosticOptions()); - - Diagnostic Diags(&DiagClient); - Driver TheDriver(Path.getBasename(), Path.getDirname(), - llvm::sys::getHostTriple(), - "a.out", /*IsProduction=*/false, /*CXXIsProduction=*/false, - Diags); - TheDriver.setTitle("clang interpreter"); - - // FIXME: This is a hack to try to force the driver to do something we can - // recognize. We need to extend the driver library to support this use model - // (basically, exactly one input, and the operation mode is hard wired). - llvm::SmallVector<const char *, 16> Args(argv, argv + argc); - Args.push_back("-fsyntax-only"); - llvm::OwningPtr<Compilation> C(TheDriver.BuildCompilation(Args.size(), - Args.data())); - if (!C) - return 0; - - // FIXME: This is copied from ASTUnit.cpp; simplify and eliminate. - - // We expect to get back exactly one command job, if we didn't something - // failed. Extract that job from the compilation. - const driver::JobList &Jobs = C->getJobs(); - if (Jobs.size() != 1 || !isa<driver::Command>(Jobs.begin())) { - llvm::SmallString<256> Msg; - llvm::raw_svector_ostream OS(Msg); - C->PrintJob(OS, C->getJobs(), "; ", true); - Diags.Report(diag::err_fe_expected_compiler_job) << OS.str(); - return 1; - } - - const driver::Command *Cmd = cast<driver::Command>(*Jobs.begin()); - if (llvm::StringRef(Cmd->getCreator().getName()) != "clang") { - Diags.Report(diag::err_fe_expected_clang_command); - return 1; - } - - // Initialize a compiler invocation object from the clang (-cc1) arguments. - const driver::ArgStringList &CCArgs = Cmd->getArguments(); - llvm::OwningPtr<CompilerInvocation> CI(new CompilerInvocation); - CompilerInvocation::CreateFromArgs(*CI, - const_cast<const char **>(CCArgs.data()), - const_cast<const char **>(CCArgs.data()) + - CCArgs.size(), - Diags); - - // Show the invocation, with -v. - if (CI->getHeaderSearchOpts().Verbose) { - llvm::errs() << "clang invocation:\n"; - C->PrintJob(llvm::errs(), C->getJobs(), "\n", true); - llvm::errs() << "\n"; - } - - // FIXME: This is copied from cc1_main.cpp; simplify and eliminate. - - // Create a compiler instance to handle the actual work. - CompilerInstance Clang; - Clang.setLLVMContext(new llvm::LLVMContext); - Clang.setInvocation(CI.take()); - - // Create the compilers actual diagnostics engine. - Clang.createDiagnostics(int(CCArgs.size()),const_cast<char**>(CCArgs.data())); - if (!Clang.hasDiagnostics()) - return 1; - - // Infer the builtin include path if unspecified. - if (Clang.getHeaderSearchOpts().UseBuiltinIncludes && - Clang.getHeaderSearchOpts().ResourceDir.empty()) - Clang.getHeaderSearchOpts().ResourceDir = - CompilerInvocation::GetResourcesPath(argv[0], MainAddr); - - // Create and execute the frontend to generate an LLVM bitcode module. - llvm::OwningPtr<CodeGenAction> Act(new EmitLLVMOnlyAction()); - if (!Clang.ExecuteAction(*Act)) - return 1; - - int Res = 255; - if (llvm::Module *Module = Act->takeModule()) - Res = Execute(Module, envp); - - // Shutdown. - - llvm::llvm_shutdown(); - - return Res; -} |
