ANTLR Support Libraries 2.7.1+
ASTPair.hpp
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1#ifndef INC_ASTPair_hpp__
2#define INC_ASTPair_hpp__
3
4/* ANTLR Translator Generator
5 * Project led by Terence Parr at http://www.jGuru.com
6 * Software rights: http://www.antlr.org/license.html
7 *
8 * $Id: //depot/code/org.antlr/release/antlr-2.7.7/lib/cpp/antlr/ASTPair.hpp#2 $
9 */
10
11#include <antlr/config.hpp>
12#include <antlr/AST.hpp>
13
14#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
15namespace antlr {
16#endif
17
27public:
28 RefAST root; // current root of tree
29 RefAST child; // current child to which siblings are added
30
33 if (child) {
34 while (child->getNextSibling()) {
35 child = child->getNextSibling();
36 }
37 }
38 }
39// /** Copy an ASTPair. Don't call it clone() because we want type-safety */
40// ASTPair copy() {
41// ASTPair tmp = new ASTPair();
42// tmp.root = root;
43// tmp.child = child;
44// return tmp;
45// }
46 ANTLR_USE_NAMESPACE(std)string toString() const {
47 ANTLR_USE_NAMESPACE(std)string r = !root ? ANTLR_USE_NAMESPACE(std)string("null") : root->getText();
48 ANTLR_USE_NAMESPACE(std)string c = !child ? ANTLR_USE_NAMESPACE(std)string("null") : child->getText();
49 return "["+r+","+c+"]";
50 }
51};
52
53#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
54}
55#endif
56
57#endif //INC_ASTPair_hpp__
Definition: ASTPair.hpp:26
RefAST root
Definition: ASTPair.hpp:28
void advanceChildToEnd()
Definition: ASTPair.hpp:32
RefAST child
Definition: ASTPair.hpp:29
std::string toString() const
Definition: ASTPair.hpp:46
virtual std::string getText() const =0
Get the token text for this node.
virtual RefAST getNextSibling() const =0
Get the next sibling in line after this one.
#define ANTLR_USE_NAMESPACE(_x_)
Definition: config.hpp:18
#define ANTLR_API
Definition: config.hpp:22
Definition: ANTLRException.hpp:15