forked from OSchip/llvm-project
163 lines
4.0 KiB
C++
163 lines
4.0 KiB
C++
//===--- Module.h - Describe a module ---------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the Module class, which describes a module in the source
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// code.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Basic/Module.h"
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#include "clang/Basic/FileManager.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace clang;
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Module::~Module() {
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for (llvm::StringMap<Module *>::iterator I = SubModules.begin(),
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IEnd = SubModules.end();
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I != IEnd; ++I) {
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delete I->getValue();
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}
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}
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bool Module::isSubModuleOf(Module *Other) const {
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const Module *This = this;
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do {
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if (This == Other)
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return true;
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This = This->Parent;
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} while (This);
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return false;
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}
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const Module *Module::getTopLevelModule() const {
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const Module *Result = this;
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while (Result->Parent)
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Result = Result->Parent;
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return Result;
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}
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std::string Module::getFullModuleName() const {
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llvm::SmallVector<StringRef, 2> Names;
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// Build up the set of module names (from innermost to outermost).
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for (const Module *M = this; M; M = M->Parent)
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Names.push_back(M->Name);
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std::string Result;
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for (llvm::SmallVector<StringRef, 2>::reverse_iterator I = Names.rbegin(),
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IEnd = Names.rend();
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I != IEnd; ++I) {
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if (!Result.empty())
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Result += '.';
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Result += *I;
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}
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return Result;
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}
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const DirectoryEntry *Module::getUmbrellaDir() const {
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if (const FileEntry *Header = getUmbrellaHeader())
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return Header->getDir();
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return Umbrella.dyn_cast<const DirectoryEntry *>();
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}
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static void printModuleId(llvm::raw_ostream &OS, const ModuleId &Id) {
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for (unsigned I = 0, N = Id.size(); I != N; ++I) {
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if (I)
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OS << ".";
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OS << Id[I].first;
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}
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}
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void Module::print(llvm::raw_ostream &OS, unsigned Indent) const {
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OS.indent(Indent);
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if (IsFramework)
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OS << "framework ";
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if (IsExplicit)
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OS << "explicit ";
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OS << "module " << Name << " {\n";
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if (const FileEntry *UmbrellaHeader = getUmbrellaHeader()) {
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OS.indent(Indent + 2);
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OS << "umbrella header \"";
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OS.write_escaped(UmbrellaHeader->getName());
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OS << "\"\n";
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} else if (const DirectoryEntry *UmbrellaDir = getUmbrellaDir()) {
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OS.indent(Indent + 2);
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OS << "umbrella \"";
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OS.write_escaped(UmbrellaDir->getName());
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OS << "\"\n";
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}
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for (unsigned I = 0, N = Headers.size(); I != N; ++I) {
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OS.indent(Indent + 2);
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OS << "header \"";
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OS.write_escaped(Headers[I]->getName());
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OS << "\"\n";
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}
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for (llvm::StringMap<Module *>::const_iterator MI = SubModules.begin(),
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MIEnd = SubModules.end();
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MI != MIEnd; ++MI)
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MI->getValue()->print(OS, Indent + 2);
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for (unsigned I = 0, N = Exports.size(); I != N; ++I) {
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OS.indent(Indent + 2);
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OS << "export ";
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if (Module *Restriction = Exports[I].getPointer()) {
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OS << Restriction->getFullModuleName();
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if (Exports[I].getInt())
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OS << ".*";
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} else {
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OS << "*";
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}
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OS << "\n";
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}
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for (unsigned I = 0, N = UnresolvedExports.size(); I != N; ++I) {
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OS.indent(Indent + 2);
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OS << "export ";
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printModuleId(OS, UnresolvedExports[I].Id);
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if (UnresolvedExports[I].Wildcard) {
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if (UnresolvedExports[I].Id.empty())
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OS << "*";
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else
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OS << ".*";
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}
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OS << "\n";
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}
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if (InferSubmodules) {
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OS.indent(Indent + 2);
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if (InferExplicitSubmodules)
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OS << "explicit ";
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OS << "module * {\n";
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if (InferExportWildcard) {
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OS.indent(Indent + 4);
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OS << "export *\n";
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}
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OS.indent(Indent + 2);
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OS << "}\n";
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}
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OS.indent(Indent);
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OS << "}\n";
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}
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void Module::dump() const {
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print(llvm::errs());
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}
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