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//===-- ReadStdin.h -------------------------------------------------------===//
// The LLVM Compiler Infrastructure
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Defines the ReadStdin class (helper for driver functionality).
#include "Tool.h"
namespace gollvm {
namespace driver {
class ToolChain;
class Compilation;
class Action;
class Artifact;
// This class encapsulates the reading of standard input during a compilation
// that includes the pseudo-input flag "-". The driver handles this case
// by creating a tool (ReadStdin) that consumes standard input and emits
// a temporary file, which is then piped through the remainder of the compiler
// as usual. See also the notes in the command parsing code relating to
// handling of and "-x c".
class ReadStdin : public InternalTool {
// If mustBeEmpty is set, then issue an error if stdin has any contents.
ReadStdin(ToolChain &tc, bool mustBeEmpty);
// Perform action (reading stdin).
bool performAction(Compilation &compilation,
const Action &jobAction,
const ArtifactList &inputArtifacts,
const Artifact &output) override;
bool mustBeEmpty_;
} // end namespace driver
} // end namespace gollvm