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85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
//===- ClangASTNodesEmitter.h - Generate Clang AST node tables -*- 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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// These tablegen backends emit Clang AST node tables
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//
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//===----------------------------------------------------------------------===//
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#ifndef CLANGAST_EMITTER_H
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#define CLANGAST_EMITTER_H
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#include "TableGenBackend.h"
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#include "Record.h"
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#include <string>
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#include <cctype>
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#include <map>
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namespace llvm {
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/// ClangASTNodesEmitter - The top-level class emits .inc files containing
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/// declarations of Clang statements.
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///
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class ClangASTNodesEmitter : public TableGenBackend {
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// A map from a node to each of its derived nodes.
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typedef std::multimap<Record*, Record*> ChildMap;
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typedef ChildMap::const_iterator ChildIterator;
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RecordKeeper &Records;
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Record Root;
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const std::string &BaseSuffix;
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// Create a macro-ized version of a name
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static std::string macroName(std::string S) {
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for (unsigned i = 0; i < S.size(); ++i)
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S[i] = std::toupper(S[i]);
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return S;
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}
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// Return the name to be printed in the base field. Normally this is
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// the record's name plus the base suffix, but if it is the root node and
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// the suffix is non-empty, it's just the suffix.
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std::string baseName(Record &R) {
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if (&R == &Root && !BaseSuffix.empty())
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return BaseSuffix;
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return R.getName() + BaseSuffix;
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}
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std::pair<Record *, Record *> EmitNode (const ChildMap &Tree, raw_ostream& OS,
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Record *Base);
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public:
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explicit ClangASTNodesEmitter(RecordKeeper &R, const std::string &N,
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const std::string &S)
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: Records(R), Root(N, SMLoc(), R), BaseSuffix(S)
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{}
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// run - Output the .inc file contents
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void run(raw_ostream &OS);
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};
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/// ClangDeclContextEmitter - Emits an addendum to a .inc file to enumerate the
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/// clang declaration contexts.
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///
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class ClangDeclContextEmitter : public TableGenBackend {
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RecordKeeper &Records;
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public:
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explicit ClangDeclContextEmitter(RecordKeeper &R)
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: Records(R)
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{}
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// run - Output the .inc file contents
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void run(raw_ostream &OS);
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};
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} // End llvm namespace
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#endif
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