+++ /dev/null
-#ifndef INC_AST_hpp__
-#define INC_AST_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/AST.hpp#2 $
- */
-
-#include <antlr/config.hpp>
-#include <antlr/ASTRefCount.hpp>
-#include <antlr/Token.hpp>
-#include <vector>
-#include <string>
-
-#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
-namespace antlr {
-#endif
-
-struct ASTRef;
-
-class ANTLR_API AST {
-public:
- AST() : ref(0) {}
- AST(const AST&) : ref(0) {}
- virtual ~AST() {}
-
- /// Return the type name for this AST node. (for XML output)
- virtual const char* typeName( void ) const = 0;
- /// Clone this AST node.
- virtual RefAST clone( void ) const = 0;
- /// Is node t equal to this in terms of token type and text?
- virtual bool equals(RefAST t) const = 0;
- /** Is t an exact structural and equals() match of this tree. The
- * 'this' reference is considered the start of a sibling list.
- */
- virtual bool equalsList(RefAST t) const = 0;
-
- /** Is 't' a subtree of this list? The siblings of the root are NOT ignored.
- */
- virtual bool equalsListPartial(RefAST t) const = 0;
- /** Is tree rooted at 'this' equal to 't'? The siblings of 'this' are
- * ignored.
- */
- virtual bool equalsTree(RefAST t) const = 0;
- /** Is 't' a subtree of the tree rooted at 'this'? The siblings of
- * 'this' are ignored.
- */
- virtual bool equalsTreePartial(RefAST t) const = 0;
-
- /** Walk the tree looking for all exact subtree matches. Return
- * a vector of RefAST that lets the caller walk the list
- * of subtree roots found herein.
- */
- virtual ANTLR_USE_NAMESPACE(std)vector<RefAST> findAll(RefAST t) = 0;
-
- /** Walk the tree looking for all subtrees. Return
- * a vector of RefAST that lets the caller walk the list
- * of subtree roots found herein.
- */
- virtual ANTLR_USE_NAMESPACE(std)vector<RefAST> findAllPartial(RefAST t) = 0;
-
- /// Add a node to the end of the child list for this node
- virtual void addChild(RefAST c) = 0;
- /// Get the number of children. Returns 0 if the node is a leaf
- virtual size_t getNumberOfChildren() const = 0;
-
- /// Get the first child of this node; null if no children
- virtual RefAST getFirstChild() const = 0;
- /// Get the next sibling in line after this one
- virtual RefAST getNextSibling() const = 0;
-
- /// Get the token text for this node
- virtual ANTLR_USE_NAMESPACE(std)string getText() const = 0;
- /// Get the token type for this node
- virtual int getType() const = 0;
-
- /** Various initialization routines. Used by several factories to initialize
- * an AST element.
- */
- virtual void initialize(int t, const ANTLR_USE_NAMESPACE(std)string& txt) = 0;
- virtual void initialize(RefAST t) = 0;
- virtual void initialize(RefToken t) = 0;
-
-#ifdef ANTLR_SUPPORT_XML
- /** initialize this node from the contents of a stream.
- * @param in the stream to read the AST attributes from.
- */
- virtual void initialize( ANTLR_USE_NAMESPACE(std)istream& in ) = 0;
-#endif
-
- /// Set the first child of a node.
- virtual void setFirstChild(RefAST c) = 0;
- /// Set the next sibling after this one.
- virtual void setNextSibling(RefAST n) = 0;
-
- /// Set the token text for this node
- virtual void setText(const ANTLR_USE_NAMESPACE(std)string& txt) = 0;
- /// Set the token type for this node
- virtual void setType(int type) = 0;
-
- /// Return this AST node as a string
- virtual ANTLR_USE_NAMESPACE(std)string toString() const = 0;
-
- /// Print out a child-sibling tree in LISP notation
- virtual ANTLR_USE_NAMESPACE(std)string toStringList() const = 0;
- virtual ANTLR_USE_NAMESPACE(std)string toStringTree() const = 0;
-
-#ifdef ANTLR_SUPPORT_XML
- /** get attributes of this node to 'out'. Override to customize XML
- * output.
- * @param out the stream to write the AST attributes to.
- * @returns if a explicit closetag should be written
- */
- virtual bool attributesToStream( ANTLR_USE_NAMESPACE(std)ostream& out ) const = 0;
-
- /** Print a symbol over ostream. Overload this one to customize the XML
- * output for AST derived AST-types
- * @param output stream
- */
- virtual void toStream( ANTLR_USE_NAMESPACE(std)ostream &out ) const = 0;
-
- /** Dump AST contents in XML format to output stream.
- * Works in conjunction with to_stream method. Overload that one is
- * derived classes to customize behaviour.
- * @param output stream to write to string to put the stuff in.
- * @param ast RefAST object to write.
- */
- friend ANTLR_USE_NAMESPACE(std)ostream& operator<<( ANTLR_USE_NAMESPACE(std)ostream& output, const RefAST& ast );
-#endif
-
-private:
- friend struct ASTRef;
- ASTRef* ref;
-
- AST(RefAST other);
- AST& operator=(const AST& other);
- AST& operator=(RefAST other);
-};
-
-#ifdef ANTLR_SUPPORT_XML
-inline ANTLR_USE_NAMESPACE(std)ostream& operator<<( ANTLR_USE_NAMESPACE(std)ostream& output, const RefAST& ast )
-{
- ast->toStream(output);
- return output;
-}
-#endif
-
-extern ANTLR_API RefAST nullAST;
-extern ANTLR_API AST* const nullASTptr;
-
-#ifdef NEEDS_OPERATOR_LESS_THAN
-// RK: apparently needed by MSVC and a SUN CC, up to and including
-// 2.7.2 this was undefined ?
-inline bool operator<( RefAST l, RefAST r )
-{
- return nullAST == l ? ( nullAST == r ? false : true ) : l->getType() < r->getType();
-}
-#endif
-
-#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
-}
-#endif
-
-#endif //INC_AST_hpp__
projects / apple / security.git / blobdiff