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Diffstat (limited to 'poxml/antlr/antlr/AST.h')
| -rw-r--r-- | poxml/antlr/antlr/AST.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/poxml/antlr/antlr/AST.h b/poxml/antlr/antlr/AST.h new file mode 100644 index 00000000..c8610fdd --- /dev/null +++ b/poxml/antlr/antlr/AST.h @@ -0,0 +1,108 @@ +#ifndef INC_AST_hpp__ +#define INC_AST_hpp__ + +/** + * <b>SOFTWARE RIGHTS</b> + * <p> + * ANTLR 2.6.0 MageLang Insitute, 1999 + * <p> + * We reserve no legal rights to the ANTLR--it is fully in the + * public domain. An individual or company may do whatever + * they wish with source code distributed with ANTLR or the + * code generated by ANTLR, including the incorporation of + * ANTLR, or its output, into commerical software. + * <p> + * We encourage users to develop software with ANTLR. However, + * we do ask that credit is given to us for developing + * ANTLR. By "credit", we mean that if you use ANTLR or + * incorporate any source code into one of your programs + * (commercial product, research project, or otherwise) that + * you acknowledge this fact somewhere in the documentation, + * research report, etc... If you like ANTLR and have + * developed a nice tool with the output, please mention that + * you developed it using ANTLR. In addition, we ask that the + * headers remain intact in our source code. As long as these + * guidelines are kept, we expect to continue enhancing this + * system and expect to make other tools available as they are + * completed. + * <p> + * The ANTLR gang: + * @version ANTLR 2.6.0 MageLang Insitute, 1999 + * @author Terence Parr, <a href=http://www.MageLang.com>MageLang Institute</a> + * @author <br>John Lilley, <a href=http://www.Empathy.com>Empathy Software</a> + * @author <br><a href="mailto:pete@yamuna.demon.co.uk">Pete Wells</a> + */ + +#include "antlr/config.h" +#include "antlr/ASTRefCount.h" +#include "antlr/Token.h" +#include <vector> +#include <string> + +ANTLR_BEGIN_NAMESPACE(antlr) + +struct ASTRef; + +class AST { +public: + AST() : ref(0) {} + virtual ~AST() {} + + virtual void addChild(RefAST c)=0; + + virtual bool equals(RefAST t) const=0; + virtual bool equalsList(RefAST t) const=0; + virtual bool equalsListPartial(RefAST t) const=0; + virtual bool equalsTree(RefAST t) const=0; + virtual bool equalsTreePartial(RefAST t) const=0; + + virtual ANTLR_USE_NAMESPACE(std)vector<RefAST> findAll(RefAST t)=0; + virtual ANTLR_USE_NAMESPACE(std)vector<RefAST> findAllPartial(RefAST t)=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; + + 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; + + /** 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; + + virtual ANTLR_USE_NAMESPACE(std)string toString() const=0; + virtual ANTLR_USE_NAMESPACE(std)string toStringList() const=0; + virtual ANTLR_USE_NAMESPACE(std)string toStringTree() const=0; +private: + friend struct ASTRef; + ASTRef* ref; + + AST(const AST& other); + AST(RefAST other); + AST& operator=(const AST& other); + AST& operator=(RefAST other); +}; + +extern RefAST nullAST; +extern AST* const nullASTptr; + +#ifdef NEEDS_OPERATOR_LESS_THAN +inline operator<(RefAST l,RefAST r); // {return true;} +#endif + +ANTLR_END_NAMESPACE + +#endif //INC_AST_hpp__ |