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Replace FIRST_* and LAST_* macros with a generic STMT_RANGE macro
Also rename ABSTRACT to ABSTRACT_STMT git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104018 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -37,7 +37,8 @@ typedef ChildMap::const_iterator ChildIterator;
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// Called recursively to ensure that nodes remain contiguous
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static std::pair<Record *, Record *> EmitStmtNode(const ChildMap &Tree,
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raw_ostream &OS,
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Record *Base) {
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Record *Base,
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bool Root = true) {
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std::string BaseName = macroName(Base->getName());
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ChildIterator i = Tree.lower_bound(Base), e = Tree.upper_bound(Base);
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@ -59,14 +60,15 @@ static std::pair<Record *, Record *> EmitStmtNode(const ChildMap &Tree,
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OS << "#endif\n";
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if (Abstract)
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OS << "ABSTRACT(" << NodeName << "(" << R->getName() << ", "
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OS << "ABSTRACT_STMT(" << NodeName << "(" << R->getName() << ", "
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<< Base->getName() << "))\n";
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else
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OS << NodeName << "(" << R->getName() << ", "
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<< Base->getName() << ")\n";
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if (Tree.find(R) != Tree.end()) {
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const std::pair<Record *, Record *> &Result = EmitStmtNode(Tree, OS, R);
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const std::pair<Record *, Record *> &Result
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= EmitStmtNode(Tree, OS, R, false);
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if (!First && Result.first)
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First = Result.first;
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if (Result.second)
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@ -83,32 +85,35 @@ static std::pair<Record *, Record *> EmitStmtNode(const ChildMap &Tree,
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OS << "#undef " << NodeName << "\n\n";
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}
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assert(!First == !Last && "Got a first or last node, but not the other");
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if (First) {
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OS << "#ifndef FIRST_" << BaseName << "\n";
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OS << "# define FIRST_" << BaseName << "(CLASS)\n";
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OS << "#endif\n";
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OS << "#ifndef LAST_" << BaseName << "\n";
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OS << "# define LAST_" << BaseName << "(CLASS)\n";
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OS << "#endif\n\n";
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OS << "FIRST_" << BaseName << "(" << First->getName() << ")\n";
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OS << "LAST_" << BaseName << "(" << Last->getName() << ")\n\n";
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assert (Last && "Got a first node but not a last node for a range!");
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if (Root)
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OS << "LAST_STMT_RANGE(";
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else
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OS << "STMT_RANGE(";
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OS << Base->getName() << ", " << First->getName() << ", "
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<< Last->getName() << ")\n\n";
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}
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OS << "#undef FIRST_" << BaseName << "\n";
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OS << "#undef LAST_" << BaseName << "\n\n";
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return std::make_pair(First, Last);
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}
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void ClangStmtNodesEmitter::run(raw_ostream &OS) {
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// Write the preamble
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OS << "#ifndef ABSTRACT\n";
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OS << "# define ABSTRACT(Stmt) Stmt\n";
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OS << "#ifndef ABSTRACT_STMT\n";
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OS << "# define ABSTRACT_STMT(Stmt) Stmt\n";
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OS << "#endif\n";
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OS << "#ifndef STMT_RANGE\n";
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OS << "# define STMT_RANGE(Base, First, Last)\n";
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OS << "#endif\n\n";
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OS << "#ifndef LAST_STMT_RANGE\n";
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OS << "# define LAST_STMT_RANGE(Base, First, Last) "
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"STMT_RANGE(Base, First, Last)\n";
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OS << "#endif\n\n";
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// Emit statements
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const std::vector<Record*> Stmts = Records.getAllDerivedDefinitions("Stmt");
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@ -130,5 +135,7 @@ void ClangStmtNodesEmitter::run(raw_ostream &OS) {
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EmitStmtNode(Tree, OS, &Stmt);
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OS << "#undef STMT\n";
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OS << "#undef ABSTRACT\n";
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OS << "#undef STMT_RANGE\n";
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OS << "#undef LAST_STMT_RANGE\n";
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OS << "#undef ABSTRACT_STMT\n";
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}
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