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8db11fd059
Added a new API, swift::driver::createCompilerInvocation. This takes an array of driver arguments, constructs a Driver and a Compilation, and then uses the Compilation's frontend arguments to create a CompilerInvocation. This works by forcing Driver to create a Compilation which contains a single compile command. (It achieves this by passing "-force-single-frontend-invocation" after all other arguments.) This approach roughly matches Clang's clang::createInvocationFromCommandLine. As implied by the namespacing, this lives in swiftDriver. As a result, swiftDriver now depends on swiftFrontend. In support of this, added a couple of driver diagnostics for exceptional error cases (where Driver produced something other than a single Command, or if that Command is not a frontend command). This fixes <rdar://problem/16125395>. Swift SVN r20972
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
//===--- FrontendUtil.h - Driver Utilities for Frontend ---------*- C++ -*-===//
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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 - 2015 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 http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_DRIVER_FRONTENDUTIL_H
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#define SWIFT_DRIVER_FRONTENDUTIL_H
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#include "swift/Basic/LLVM.h"
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#include <memory>
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namespace swift {
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class CompilerInvocation;
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class DiagnosticEngine;
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namespace driver {
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/// \brief Creates a CompilerInvocation from the given driver arguments.
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///
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/// \param ArgList The driver arguments for which a CompilerInvocation
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/// should be created.
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/// \param Diags The DiagnosticEngine which should be used for parsing arguments
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///
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/// \returns A fully-formed CompilerInvocation, or nullptr if one couldn't be
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/// created.
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///
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/// \note This function is not intended to create CompilerInvocation instances
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/// which are suitable for use in REPL or immediate modes, since it will have
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/// the effect of overriding the frontend's requested action to
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/// FrontendOptions::ActionType::Parse.
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std::unique_ptr<CompilerInvocation> createCompilerInvocation(
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ArrayRef<const char *> ArgList, DiagnosticEngine &Diags);
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} // end namespace driver
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} // end namespace swift
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#endif
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