/usr/include/antlr/BaseAST.hpp is in libantlr-dev 2.7.7+dfsg-9.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | #ifndef INC_BaseAST_hpp__
#define INC_BaseAST_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/BaseAST.hpp#2 $
*/
#include <antlr/config.hpp>
#include <antlr/AST.hpp>
#include <iostream>
#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
namespace antlr {
#endif
class ANTLR_API BaseAST;
typedef ASTRefCount<BaseAST> RefBaseAST;
class ANTLR_API BaseAST : public AST {
public:
BaseAST() : AST()
{
}
BaseAST(const BaseAST& other)
: AST(other)
{
}
virtual ~BaseAST()
{
}
/// Return the class name
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;
/** 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;
/** Is 't' a subtree of this list? The siblings of the root are NOT ignored.
*/
virtual bool equalsListPartial(RefAST t) const;
/** Is tree rooted at 'this' equal to 't'? The siblings of 'this' are
* ignored.
*/
virtual bool equalsTree(RefAST t) const;
/** Is 't' a subtree of the tree rooted at 'this'? The siblings of
* 'this' are ignored.
*/
virtual bool equalsTreePartial(RefAST t) const;
/** Walk the tree looking for all exact subtree matches. Return
* an ASTEnumerator that lets the caller walk the list
* of subtree roots found herein.
*/
virtual ANTLR_USE_NAMESPACE(std)vector<RefAST> findAll(RefAST t);
/** Walk the tree looking for all subtrees. Return
* an ASTEnumerator that lets the caller walk the list
* of subtree roots found herein.
*/
virtual ANTLR_USE_NAMESPACE(std)vector<RefAST> findAllPartial(RefAST t);
/// Add a node to the end of the child list for this node
virtual void addChild(RefAST c)
{
if( !c )
return;
RefBaseAST tmp = down;
if (tmp)
{
while (tmp->right)
tmp = tmp->right;
tmp->right = c;
}
else
down = c;
}
/** Get the number of child nodes of this node (shallow e.g. not of the
* whole tree it spans).
*/
virtual size_t getNumberOfChildren() const;
/// Get the first child of this node; null if no children
virtual RefAST getFirstChild() const
{
return RefAST(down);
}
/// Get the next sibling in line after this one
virtual RefAST getNextSibling() const
{
return RefAST(right);
}
/// Get the token text for this node
virtual ANTLR_USE_NAMESPACE(std)string getText() const
{
return "";
}
/// Get the token type for this node
virtual int getType() const
{
return 0;
}
/// Remove all children
virtual void removeChildren()
{
down = static_cast<BaseAST*>(static_cast<AST*>(nullAST));
}
/// Set the first child of a node.
virtual void setFirstChild(RefAST c)
{
down = static_cast<BaseAST*>(static_cast<AST*>(c));
}
/// Set the next sibling after this one.
virtual void setNextSibling(RefAST n)
{
right = static_cast<BaseAST*>(static_cast<AST*>(n));
}
/// Set the token text for this node
virtual void setText(const ANTLR_USE_NAMESPACE(std)string& txt)
{
}
/// Set the token type for this node
virtual void setType(int type)
{
}
#ifdef ANTLR_SUPPORT_XML
/** print attributes of this node to 'out'. Override to customize XML
* output.
* @param out the stream to write the AST attributes to.
*/
virtual bool attributesToStream( ANTLR_USE_NAMESPACE(std)ostream& out ) const;
/** Write this subtree to a stream. 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;
#endif
/// Return string representation for the AST
virtual ANTLR_USE_NAMESPACE(std)string toString() const
{
return getText();
}
/// Print out a child sibling tree in LISP notation
virtual ANTLR_USE_NAMESPACE(std)string toStringList() const;
virtual ANTLR_USE_NAMESPACE(std)string toStringTree() const;
protected:
RefBaseAST down;
RefBaseAST right;
private:
void doWorkForFindAll(ANTLR_USE_NAMESPACE(std)vector<RefAST>& v,
RefAST target,
bool partialMatch);
};
/** Is node t equal to this in terms of token type and text?
*/
inline bool BaseAST::equals(RefAST t) const
{
if (!t)
return false;
return ((getType() == t->getType()) && (getText() == t->getText()));
}
#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
}
#endif
#endif //INC_BaseAST_hpp__
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