This file is indexed.

/usr/include/antlr3commontree.h is in libantlr3c-dev 3.2-3.

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
/** Interface for an ANTLR3 common tree which is what gets
 *  passed around by the AST producing parser.
 */

#ifndef	_ANTLR3_COMMON_TREE_H
#define	_ANTLR3_COMMON_TREE_H

// [The "BSD licence"]
// Copyright (c) 2005-2009 Jim Idle, Temporal Wave LLC
// http://www.temporal-wave.com
// http://www.linkedin.com/in/jimidle
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
// 3. The name of the author may not be used to endorse or promote products
//    derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include    <antlr3defs.h>
#include    <antlr3basetree.h>
#include    <antlr3commontoken.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct ANTLR3_COMMON_TREE_struct
{

	/// Not used by ANTLR, but if a super structure is created above
    /// this structure, it can be used to point to the start of the super
    /// structure, where additional data and function pointers can be stored.
    ///
    void					* super;

    /// Start token index that encases this tree
    ///
    ANTLR3_MARKER			  startIndex;

    /// End token that encases this tree
    ///
    ANTLR3_MARKER			  stopIndex;

    /// A single token, this is the payload for the tree
    ///
    pANTLR3_COMMON_TOKEN      token;

	/// Points to the node that has this node as a child.
	/// If this is NULL, then this is the root node.
	///
	pANTLR3_COMMON_TREE		  parent;

	/// What index is this particular node in the child list it
	/// belongs to?
	///
	ANTLR3_INT32			  childIndex;
	
	/// Pointer to the tree factory that manufactured this
	/// token. This can be used by duplication methods and so on
	/// to manufacture another auto-tracked common tree structure
	///
	pANTLR3_ARBORETUM	factory;

    /// An encapsulated BASE TREE structure (NOT a pointer)
    /// that performs a lot of the dirty work of node management
    /// To this we add just a few functions that are specific to the 
    /// payload. You can further abstract common tree so long
    /// as you always have a baseTree pointer in the top structure
    /// and copy it from the next one down. 
    /// So, lets say we have a structure JIMS_TREE. 
    /// It needs an ANTLR3_BASE_TREE that will support all the
    /// general tree duplication stuff.
    /// It needs a ANTLR3_COMMON_TREE structure embedded or completely
    /// provides the equivalent interface.
    /// It provides it's own methods and data.
    /// To create a new one of these, the function provided to
    /// the tree adaptor (see comments there) should allocate the
    /// memory for a new JIMS_TREE structure, then call
    /// antlr3InitCommonTree(<addressofembeddedCOMMON_TREE>)
    /// antlr3BaseTreeNew(<addressofBASETREE>)
    /// The interfaces for BASE_TREE and COMMON_TREE will then
    /// be initialized. You then call and you can override them or just init
    /// JIMS_TREE (note that the base tree in common tree will be ignored)
    /// just the top level base tree is used). Codegen will take care of the rest.
    /// 
    ANTLR3_BASE_TREE	    baseTree;
     
}
    ANTLR3_COMMON_TREE;

/// \brief ANTLR3 Tree factory interface to create lots of trees efficiently
///  rather than creating and freeing lots of little bits of memory.
///
typedef	struct ANTLR3_ARBORETUM_struct
{
    /// Pointers to the array of tokens that this factory has produced so far
    ///
    pANTLR3_COMMON_TREE    *pools;

    /// Current pool tokens we are allocating from
    ///
    ANTLR3_INT32			thisPool;

    /// The next token to throw out from the pool, will cause a new pool allocation
    ///  if this exceeds the available tokenCount
    ///
    ANTLR3_UINT32			nextTree;

    /// Trick to initialize tokens and their API quickly, we set up this token when the
    /// factory is created, then just copy the memory it uses into the new token.
    ///
    ANTLR3_COMMON_TREE	    unTruc;

    /// Pointer to a vector factory that is used to create child list vectors
    /// for any child nodes that need them. This means that we auto track the
    /// vectors and auto free them when we close the factory. It also means
    /// that all rewriting trees can use the same tree factory and the same
    /// vector factory and we do not dup any nodes unless we must do so
    /// explicitly because of context such as an empty rewrite stream and
    /// ->IMAGINARY[ID] so on. This makes memory tracking much simpler and
    /// tempts no errors.
    ///
    pANTLR3_VECTOR_FACTORY   vFactory;

    /// A resuse stack for reclaiming Nil nodes that were used in rewrites
    /// and are now dead. The nilNode() method will eat one of these before
    /// creating a new node.
    ///
    pANTLR3_STACK           nilStack;

    /// Pointer to a function that returns a new tree
    ///
    pANTLR3_BASE_TREE	    (*newTree)		(struct ANTLR3_ARBORETUM_struct * factory);
    pANTLR3_BASE_TREE	    (*newFromTree)	(struct ANTLR3_ARBORETUM_struct * factory, pANTLR3_COMMON_TREE tree);
    pANTLR3_BASE_TREE	    (*newFromToken)	(struct ANTLR3_ARBORETUM_struct * factory, pANTLR3_COMMON_TOKEN token);

    /// Pointer to a function the destroys the factory
    ///
    void		    (*close)	    (struct ANTLR3_ARBORETUM_struct * factory);
}
    ANTLR3_ARBORETUM;

#ifdef __cplusplus
}
#endif

#endif