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/*
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* Copyright 2011 Sven Verdoolaege. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY SVEN VERDOOLAEGE ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SVEN VERDOOLAEGE OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation
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* are those of the authors and should not be interpreted as
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* representing official policies, either expressed or implied, of
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* Sven Verdoolaege.
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*/
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#include "isl_config.h"
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#include <assert.h>
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#include <iostream>
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#ifdef HAVE_ADT_OWNINGPTR_H
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#include <llvm/ADT/OwningPtr.h>
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#else
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#include <memory>
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#endif
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#include <llvm/Support/raw_ostream.h>
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#include <llvm/Support/CommandLine.h>
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#include <llvm/Support/Host.h>
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#include <llvm/Support/ManagedStatic.h>
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#include <clang/AST/ASTContext.h>
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#include <clang/AST/ASTConsumer.h>
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#include <clang/Basic/FileSystemOptions.h>
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#include <clang/Basic/FileManager.h>
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#include <clang/Basic/TargetOptions.h>
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#include <clang/Basic/TargetInfo.h>
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#include <clang/Basic/Version.h>
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#include <clang/Driver/Compilation.h>
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#include <clang/Driver/Driver.h>
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#include <clang/Driver/Tool.h>
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#include <clang/Frontend/CompilerInstance.h>
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#include <clang/Frontend/CompilerInvocation.h>
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#ifdef HAVE_BASIC_DIAGNOSTICOPTIONS_H
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#include <clang/Basic/DiagnosticOptions.h>
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#else
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#include <clang/Frontend/DiagnosticOptions.h>
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#endif
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#include <clang/Frontend/TextDiagnosticPrinter.h>
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#include <clang/Frontend/Utils.h>
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#include <clang/Lex/HeaderSearch.h>
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#include <clang/Lex/Preprocessor.h>
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#include <clang/Parse/ParseAST.h>
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#include <clang/Sema/Sema.h>
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#include "extract_interface.h"
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#include "python.h"
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using namespace std;
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using namespace clang;
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using namespace clang::driver;
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#ifdef HAVE_ADT_OWNINGPTR_H
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#define unique_ptr llvm::OwningPtr
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#endif
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static llvm::cl::opt<string> InputFilename(llvm::cl::Positional,
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llvm::cl::Required, llvm::cl::desc("<input file>"));
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static llvm::cl::list<string> Includes("I",
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llvm::cl::desc("Header search path"),
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llvm::cl::value_desc("path"), llvm::cl::Prefix);
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static const char *ResourceDir =
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CLANG_PREFIX "/lib/clang/" CLANG_VERSION_STRING;
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/* Does decl have an attribute of the following form?
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*
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* __attribute__((annotate("name")))
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*/
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bool has_annotation(Decl *decl, const char *name)
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{
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if (!decl->hasAttrs())
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return false;
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AttrVec attrs = decl->getAttrs();
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for (AttrVec::const_iterator i = attrs.begin() ; i != attrs.end(); ++i) {
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const AnnotateAttr *ann = dyn_cast<AnnotateAttr>(*i);
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if (!ann)
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continue;
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if (ann->getAnnotation().str() == name)
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return true;
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}
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return false;
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}
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/* Is decl marked as exported?
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*/
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static bool is_exported(Decl *decl)
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{
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return has_annotation(decl, "isl_export");
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}
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/* Collect all types and functions that are annotated "isl_export"
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* in "types" and "function".
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*
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* We currently only consider single declarations.
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*/
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struct MyASTConsumer : public ASTConsumer {
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set<RecordDecl *> types;
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set<FunctionDecl *> functions;
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virtual HandleTopLevelDeclReturn HandleTopLevelDecl(DeclGroupRef D) {
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Decl *decl;
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if (!D.isSingleDecl())
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return HandleTopLevelDeclContinue;
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decl = D.getSingleDecl();
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if (!is_exported(decl))
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return HandleTopLevelDeclContinue;
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switch (decl->getKind()) {
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case Decl::Record:
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types.insert(cast<RecordDecl>(decl));
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break;
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case Decl::Function:
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functions.insert(cast<FunctionDecl>(decl));
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break;
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default:
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break;
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}
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return HandleTopLevelDeclContinue;
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}
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};
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#ifdef USE_ARRAYREF
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#ifdef HAVE_CXXISPRODUCTION
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static Driver *construct_driver(const char *binary, DiagnosticsEngine &Diags)
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{
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return new Driver(binary, llvm::sys::getDefaultTargetTriple(),
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"", false, false, Diags);
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}
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#elif defined(HAVE_ISPRODUCTION)
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static Driver *construct_driver(const char *binary, DiagnosticsEngine &Diags)
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{
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return new Driver(binary, llvm::sys::getDefaultTargetTriple(),
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"", false, Diags);
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}
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#elif defined(DRIVER_CTOR_TAKES_DEFAULTIMAGENAME)
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static Driver *construct_driver(const char *binary, DiagnosticsEngine &Diags)
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{
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return new Driver(binary, llvm::sys::getDefaultTargetTriple(),
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"", Diags);
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}
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#else
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static Driver *construct_driver(const char *binary, DiagnosticsEngine &Diags)
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{
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return new Driver(binary, llvm::sys::getDefaultTargetTriple(), Diags);
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}
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#endif
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/* Create a CompilerInvocation object that stores the command line
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* arguments constructed by the driver.
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* The arguments are mainly useful for setting up the system include
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* paths on newer clangs and on some platforms.
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*/
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static CompilerInvocation *construct_invocation(const char *filename,
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DiagnosticsEngine &Diags)
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{
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const char *binary = CLANG_PREFIX"/bin/clang";
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const unique_ptr<Driver> driver(construct_driver(binary, Diags));
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std::vector<const char *> Argv;
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Argv.push_back(binary);
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Argv.push_back(filename);
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const unique_ptr<Compilation> compilation(
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driver->BuildCompilation(llvm::ArrayRef<const char *>(Argv)));
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JobList &Jobs = compilation->getJobs();
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Command *cmd = cast<Command>(*Jobs.begin());
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if (strcmp(cmd->getCreator().getName(), "clang"))
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return NULL;
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const ArgStringList *args = &cmd->getArguments();
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CompilerInvocation *invocation = new CompilerInvocation;
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CompilerInvocation::CreateFromArgs(*invocation, args->data() + 1,
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args->data() + args->size(),
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Diags);
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return invocation;
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}
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#else
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static CompilerInvocation *construct_invocation(const char *filename,
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DiagnosticsEngine &Diags)
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{
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return NULL;
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}
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#endif
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#ifdef HAVE_BASIC_DIAGNOSTICOPTIONS_H
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static TextDiagnosticPrinter *construct_printer(void)
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{
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return new TextDiagnosticPrinter(llvm::errs(), new DiagnosticOptions());
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}
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#else
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static TextDiagnosticPrinter *construct_printer(void)
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{
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DiagnosticOptions DO;
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return new TextDiagnosticPrinter(llvm::errs(), DO);
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}
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#endif
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#ifdef CREATETARGETINFO_TAKES_SHARED_PTR
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static TargetInfo *create_target_info(CompilerInstance *Clang,
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DiagnosticsEngine &Diags)
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{
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shared_ptr<TargetOptions> TO = Clang->getInvocation().TargetOpts;
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TO->Triple = llvm::sys::getDefaultTargetTriple();
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return TargetInfo::CreateTargetInfo(Diags, TO);
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}
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|
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#elif defined(CREATETARGETINFO_TAKES_POINTER)
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|
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static TargetInfo *create_target_info(CompilerInstance *Clang,
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DiagnosticsEngine &Diags)
|
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{
|
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TargetOptions &TO = Clang->getTargetOpts();
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|
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TO.Triple = llvm::sys::getDefaultTargetTriple();
|
|
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return TargetInfo::CreateTargetInfo(Diags, &TO;;
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}
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#else
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|
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static TargetInfo *create_target_info(CompilerInstance *Clang,
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DiagnosticsEngine &Diags)
|
|
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{
|
|
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TargetOptions &TO = Clang->getTargetOpts();
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|
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TO.Triple = llvm::sys::getDefaultTargetTriple();
|
|
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return TargetInfo::CreateTargetInfo(Diags, TO);
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}
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|
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#endif
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|
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#ifdef CREATEDIAGNOSTICS_TAKES_ARG
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|
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static void create_diagnostics(CompilerInstance *Clang)
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|
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{
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|
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Clang->createDiagnostics(0, NULL, construct_printer());
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}
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|
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#else
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|
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static void create_diagnostics(CompilerInstance *Clang)
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|
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{
|
|
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Clang->createDiagnostics(construct_printer());
|
|
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}
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|
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#endif
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|
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#ifdef CREATEPREPROCESSOR_TAKES_TUKIND
|
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|
|
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static void create_preprocessor(CompilerInstance *Clang)
|
|
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{
|
|
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Clang->createPreprocessor(TU_Complete);
|
|
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}
|
|
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|
|
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#else
|
|
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|
|
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static void create_preprocessor(CompilerInstance *Clang)
|
|
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{
|
|
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fb9d21 |
Clang->createPreprocessor();
|
|
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}
|
|
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|
|
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#endif
|
|
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|
|
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#ifdef ADDPATH_TAKES_4_ARGUMENTS
|
|
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fb9d21 |
|
|
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void add_path(HeaderSearchOptions &HSO, string Path)
|
|
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{
|
|
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HSO.AddPath(Path, frontend::Angled, false, false);
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fb9d21 |
}
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fb9d21 |
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fb9d21 |
#else
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fb9d21 |
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fb9d21 |
void add_path(HeaderSearchOptions &HSO, string Path)
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fb9d21 |
{
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fb9d21 |
HSO.AddPath(Path, frontend::Angled, true, false, false);
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fb9d21 |
}
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fb9d21 |
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fb9d21 |
#endif
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fb9d21 |
|
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fb9d21 |
#ifdef HAVE_SETMAINFILEID
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fb9d21 |
|
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fb9d21 |
static void create_main_file_id(SourceManager &SM, const FileEntry *file)
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fb9d21 |
{
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fb9d21 |
SM.setMainFileID(SM.createFileID(file, SourceLocation(),
|
|
Packit |
fb9d21 |
SrcMgr::C_User));
|
|
Packit |
fb9d21 |
}
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fb9d21 |
|
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fb9d21 |
#else
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fb9d21 |
|
|
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fb9d21 |
static void create_main_file_id(SourceManager &SM, const FileEntry *file)
|
|
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fb9d21 |
{
|
|
Packit |
fb9d21 |
SM.createMainFileID(file);
|
|
Packit |
fb9d21 |
}
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|
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fb9d21 |
|
|
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fb9d21 |
#endif
|
|
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fb9d21 |
|
|
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fb9d21 |
int main(int argc, char *argv[])
|
|
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fb9d21 |
{
|
|
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fb9d21 |
llvm::cl::ParseCommandLineOptions(argc, argv);
|
|
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fb9d21 |
|
|
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fb9d21 |
CompilerInstance *Clang = new CompilerInstance();
|
|
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fb9d21 |
create_diagnostics(Clang);
|
|
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fb9d21 |
DiagnosticsEngine &Diags = Clang->getDiagnostics();
|
|
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fb9d21 |
Diags.setSuppressSystemWarnings(true);
|
|
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fb9d21 |
CompilerInvocation *invocation =
|
|
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fb9d21 |
construct_invocation(InputFilename.c_str(), Diags);
|
|
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fb9d21 |
if (invocation)
|
|
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fb9d21 |
Clang->setInvocation(invocation);
|
|
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fb9d21 |
Clang->createFileManager();
|
|
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fb9d21 |
Clang->createSourceManager(Clang->getFileManager());
|
|
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fb9d21 |
TargetInfo *target = create_target_info(Clang, Diags);
|
|
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fb9d21 |
Clang->setTarget(target);
|
|
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fb9d21 |
CompilerInvocation::setLangDefaults(Clang->getLangOpts(), IK_C,
|
|
Packit |
fb9d21 |
LangStandard::lang_unspecified);
|
|
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fb9d21 |
HeaderSearchOptions &HSO = Clang->getHeaderSearchOpts();
|
|
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fb9d21 |
LangOptions &LO = Clang->getLangOpts();
|
|
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fb9d21 |
PreprocessorOptions &PO = Clang->getPreprocessorOpts();
|
|
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fb9d21 |
HSO.ResourceDir = ResourceDir;
|
|
Packit |
fb9d21 |
|
|
Packit |
fb9d21 |
for (int i = 0; i < Includes.size(); ++i)
|
|
Packit |
fb9d21 |
add_path(HSO, Includes[i]);
|
|
Packit |
fb9d21 |
|
|
Packit |
fb9d21 |
PO.addMacroDef("__isl_give=__attribute__((annotate(\"isl_give\")))");
|
|
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fb9d21 |
PO.addMacroDef("__isl_keep=__attribute__((annotate(\"isl_keep\")))");
|
|
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fb9d21 |
PO.addMacroDef("__isl_take=__attribute__((annotate(\"isl_take\")))");
|
|
Packit |
fb9d21 |
PO.addMacroDef("__isl_export=__attribute__((annotate(\"isl_export\")))");
|
|
Packit |
fb9d21 |
PO.addMacroDef("__isl_constructor=__attribute__((annotate(\"isl_constructor\"))) __attribute__((annotate(\"isl_export\")))");
|
|
Packit |
fb9d21 |
PO.addMacroDef("__isl_subclass(super)=__attribute__((annotate(\"isl_subclass(\" #super \")\"))) __attribute__((annotate(\"isl_export\")))");
|
|
Packit |
fb9d21 |
|
|
Packit |
fb9d21 |
create_preprocessor(Clang);
|
|
Packit |
fb9d21 |
Preprocessor &PP = Clang->getPreprocessor();
|
|
Packit |
fb9d21 |
|
|
Packit |
fb9d21 |
PP.getBuiltinInfo().InitializeBuiltins(PP.getIdentifierTable(), LO);
|
|
Packit |
fb9d21 |
|
|
Packit |
fb9d21 |
const FileEntry *file = Clang->getFileManager().getFile(InputFilename);
|
|
Packit |
fb9d21 |
assert(file);
|
|
Packit |
fb9d21 |
create_main_file_id(Clang->getSourceManager(), file);
|
|
Packit |
fb9d21 |
|
|
Packit |
fb9d21 |
Clang->createASTContext();
|
|
Packit |
fb9d21 |
MyASTConsumer consumer;
|
|
Packit |
fb9d21 |
Sema *sema = new Sema(PP, Clang->getASTContext(), consumer);
|
|
Packit |
fb9d21 |
|
|
Packit |
fb9d21 |
Diags.getClient()->BeginSourceFile(LO, &PP;;
|
|
Packit |
fb9d21 |
ParseAST(*sema);
|
|
Packit |
fb9d21 |
Diags.getClient()->EndSourceFile();
|
|
Packit |
fb9d21 |
|
|
Packit |
fb9d21 |
generate_python(consumer.types, consumer.functions);
|
|
Packit |
fb9d21 |
|
|
Packit |
fb9d21 |
delete sema;
|
|
Packit |
fb9d21 |
delete Clang;
|
|
Packit |
fb9d21 |
llvm::llvm_shutdown();
|
|
Packit |
fb9d21 |
|
|
Packit |
fb9d21 |
return 0;
|
|
Packit |
fb9d21 |
}
|