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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7630 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
//===- TableGenBackend.h - Base class for TableGen Backends -----*- C++ -*-===//
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//
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// The TableGenBackend class is provided as a common interface for all TableGen
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// backends. It provides useful services and an standardized interface.
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//
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//===----------------------------------------------------------------------===//
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#ifndef TABLEGENBACKEND_H
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#define TABLEGENBACKEND_H
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#include <string>
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#include <iosfwd>
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class Record;
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class RecordKeeper;
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struct TableGenBackend {
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virtual ~TableGenBackend() {}
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// run - All TableGen backends should implement the run method, which should
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// be the main entry point.
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virtual void run(std::ostream &OS) = 0;
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public: // Useful helper routines...
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/// EmitSourceFileHeader - Output a LLVM style file header to the specified
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/// ostream.
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void EmitSourceFileHeader(const std::string &Desc, std::ostream &OS) const;
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/// getQualifiedName - Return the name of the specified record, with a
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/// namespace qualifier if the record contains one.
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std::string getQualifiedName(Record *R) const;
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/// getTarget - Return the current instance of the Target class.
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Record *getTarget(RecordKeeper &RC) const;
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};
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#endif
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