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d7150460a3
This is colliding with an implicit frontend action. Temporarily rename this while we reconcile what to call this.
94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
//===--- swift-syntax-test.cpp - Reflection Syntax testing application ----===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This is a host-side tool to format Swift code.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Basic/LangOptions.h"
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#include "swift/Basic/SourceManager.h"
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#include "swift/AST/DiagnosticEngine.h"
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#include "swift/AST/DiagnosticsFrontend.h"
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#include "swift/Frontend/Frontend.h"
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#include "swift/Frontend/PrintingDiagnosticConsumer.h"
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#include "swift/Syntax/Format.h"
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#include "swift/Syntax/LegacyASTTransformer.h"
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#include "swift/Subsystems.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/CommandLine.h"
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using namespace swift;
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using namespace swift::syntax;
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using llvm::ArrayRef;
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using llvm::StringRef;
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int doFormat(ArrayRef<StringRef> InputFiles) {
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for (auto InputFilename : InputFiles) {
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CompilerInvocation Invocation;
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Invocation.addInputFilename(InputFilename);
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Invocation.setModuleName("Format");
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CompilerInstance Instance;
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auto &SourceMgr = Instance.getSourceMgr();
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auto &Diags = Instance.getDiags();
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PrintingDiagnosticConsumer DiagPrinter;
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Instance.addDiagnosticConsumer(&DiagPrinter);
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if (Instance.setup(Invocation)) {
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return EXIT_FAILURE;
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}
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// First, parse the file normally and get the regular old AST.
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Instance.performParseOnly();
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auto BufferID = Instance.getInputBufferIDs().back();
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auto &SF = Instance.getMainModule()
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->getMainSourceFile(SourceFileKind::Main);
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auto Buffer = llvm::MemoryBuffer::getFile(InputFilename);
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if (!Buffer) {
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Diags.diagnose(SourceLoc(), diag::cannot_open_file,
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InputFilename, Buffer.getError().message());
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return EXIT_FAILURE;
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}
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auto Tokens = tokenizeWithTrivia(Invocation.getLangOptions(),
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SourceMgr, BufferID);
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SmallVector<Decl *, 256> FileDecls;
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SF.getTopLevelDecls(FileDecls);
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sema::Semantics Sema;
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for (auto *Decl : FileDecls) {
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if (Decl->escapedFromIfConfig()) {
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continue;
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}
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auto NewNode = transformAST(ASTNode(Decl), Sema, SourceMgr,
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BufferID, Tokens);
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if (NewNode.hasValue()) {
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auto Reformatted = format(NewNode.getValue());
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Reformatted.print(llvm::outs());
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}
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}
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}
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return EXIT_SUCCESS;
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}
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int main(int argc, char *argv[]) {
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llvm::cl::ParseCommandLineOptions(argc, argv,
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"A tool to format Swift code\n");
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return doFormat({"/Users/david/test.swift"});
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}
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