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[apple/security.git] / libsecurity_codesigning / antlr2 / antlr / TreeParser.hpp
diff --git a/libsecurity_codesigning/antlr2/antlr/TreeParser.hpp b/libsecurity_codesigning/antlr2/antlr/TreeParser.hpp
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-#ifndef INC_TreeParser_hpp__
-#define INC_TreeParser_hpp__
-
-/* ANTLR Translator Generator
- * Project led by Terence Parr at http://www.jGuru.com
- * Software rights: http://www.antlr.org/license.html
- *
- * $Id: //depot/code/org.antlr/release/antlr-2.7.7/lib/cpp/antlr/TreeParser.hpp#2 $
- */
-
-#include <antlr/config.hpp>
-#include <antlr/AST.hpp>
-#include <antlr/ASTFactory.hpp>
-#include <antlr/BitSet.hpp>
-#include <antlr/RecognitionException.hpp>
-#include <antlr/MismatchedTokenException.hpp>
-#include <antlr/TreeParserSharedInputState.hpp>
-
-#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
-namespace antlr {
-#endif
-
-class ANTLR_API TreeParser {
-public:
-       TreeParser()
-       : astFactory(0)
-       , inputState(new TreeParserInputState())
-       , traceDepth(0)
-       {
-       }
-
-       TreeParser(const TreeParserSharedInputState& state)
-       : astFactory(0)
-       , inputState(state)
-       , traceDepth(0)
-       {
-       }
-
-       virtual ~TreeParser()
-       {
-       }
-
-       /// Get the AST return value squirreled away in the parser
-       virtual RefAST getAST() = 0;
-
-       /** Make sure current lookahead symbol matches the given set
-        * Throw an exception upon mismatch, which is caught by either the
-        * error handler or by a syntactic predicate.
-        */
-       virtual void match(RefAST t, const BitSet& b)
-       {
-               if ( !t || t==ASTNULL || !b.member(t->getType()) )
-                       throw MismatchedTokenException( getTokenNames(), getNumTokens(),
-                                                                                                         t, b, false );
-       }
-
-       /** Specify the AST factory to be used during tree building. (Compulsory)
-        * Setting the factory is compulsory (if you intend to modify
-        * the tree in the treeparser). The AST Factory is shared between
-        * parser (who builds the initial AST) and treeparser.
-        * @see Parser::getASTFactory()
-        */
-       virtual void setASTFactory(ASTFactory* factory)
-       {
-               astFactory = factory;
-       }
-       /// Return pointer to ASTFactory
-       virtual ASTFactory* getASTFactory() const
-       {
-               return astFactory;
-       }
-       /// Get the name for token 'num'
-       virtual const char* getTokenName(int num) const = 0;
-       /// Return the number of tokens defined
-       virtual int getNumTokens() const = 0;
-       /// Return an array of getNumTokens() token names
-       virtual const char* const* getTokenNames() const = 0;
-
-       /// Parser error-reporting function can be overridden in subclass
-       virtual void reportError(const RecognitionException& ex);
-       /// Parser error-reporting function can be overridden in subclass
-       virtual void reportError(const ANTLR_USE_NAMESPACE(std)string& s);
-       /// Parser warning-reporting function can be overridden in subclass
-       virtual void reportWarning(const ANTLR_USE_NAMESPACE(std)string& s);
-
-       /// These are used during when traceTreeParser commandline option is passed.
-       virtual void traceIndent();
-       virtual void traceIn(const char* rname, RefAST t);
-       virtual void traceOut(const char* rname, RefAST t);
-
-       /** The AST Null object; the parsing cursor is set to this when
-        * it is found to be null.  This way, we can test the
-        * token type of a node without having to have tests for 0
-        * everywhere.
-        */
-       static RefAST ASTNULL;
-
-protected:
-       virtual void match(RefAST t, int ttype)
-       {
-               if (!t || t == ASTNULL || t->getType() != ttype )
-                       throw MismatchedTokenException( getTokenNames(), getNumTokens(),
-                                                                                                         t, ttype, false );
-       }
-
-       virtual void matchNot(RefAST t, int ttype)
-       {
-               if ( !t || t == ASTNULL || t->getType() == ttype )
-                       throw MismatchedTokenException( getTokenNames(), getNumTokens(),
-                                                                                                         t, ttype, true );
-       }
-
-       /** AST support code; parser and treeparser delegate to this object */
-       ASTFactory* astFactory;
-
-       /// The input state of this tree parser.
-       TreeParserSharedInputState inputState;
-
-       /** Used to keep track of indent depth with -traceTreeParser */
-       int traceDepth;
-
-       /** Utility class which allows tracing to work even when exceptions are
-        * thrown.
-        */
-       class Tracer {
-       private:
-               TreeParser* parser;
-               const char* text;
-               RefAST tree;
-       public:
-               Tracer(TreeParser* p, const char* t, RefAST a)
-               : parser(p), text(t), tree(a)
-               {
-                       parser->traceIn(text,tree);
-               }
-               ~Tracer()
-               {
-                       parser->traceOut(text,tree);
-               }
-       private:
-               Tracer(const Tracer&);                                                  // undefined
-               const Tracer& operator=(const Tracer&); // undefined
-       };
-
-private:
-       // no copying of treeparser instantiations...
-       TreeParser(const TreeParser& other);
-       TreeParser& operator=(const TreeParser& other);
-};
-
-#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
-}
-#endif
-
-#endif //INC_TreeParser_hpp__