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location.hh
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1/* A Bison parser, made by GNU Bison 2.7. */
2
3/* Locations for Bison parsers in C++
4
5 Copyright (C) 2002-2007, 2009-2012 Free Software Foundation, Inc.
6
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20/* As a special exception, you may create a larger work that contains
21 part or all of the Bison parser skeleton and distribute that work
22 under terms of your choice, so long as that work isn't itself a
23 parser generator using the skeleton or a modified version thereof
24 as a parser skeleton. Alternatively, if you modify or redistribute
25 the parser skeleton itself, you may (at your option) remove this
26 special exception, which will cause the skeleton and the resulting
27 Bison output files to be licensed under the GNU General Public
28 License without this special exception.
29
30 This special exception was added by the Free Software Foundation in
31 version 2.2 of Bison. */
32
38#ifndef YY_YY_LOCATION_HH_INCLUDED
39# define YY_YY_LOCATION_HH_INCLUDED
40
41# include "position.hh"
42
43
44namespace yy {
45/* Line 166 of location.cc */
46#line 47 "location.hh"
47
50 {
51 public:
52
54 location (const position& b, const position& e)
55 : begin (b)
56 , end (e)
57 {
58 }
59
61 explicit location (const position& p = position ())
62 : begin (p)
63 , end (p)
64 {
65 }
66
68 explicit location (std::string* f,
69 unsigned int l = 1u,
70 unsigned int c = 1u)
71 : begin (f, l, c)
72 , end (f, l, c)
73 {
74 }
75
76
78 void initialize (std::string* f = YY_NULL,
79 unsigned int l = 1u,
80 unsigned int c = 1u)
81 {
82 begin.initialize (f, l, c);
83 end = begin;
84 }
85
88 public:
90 void step ()
91 {
92 begin = end;
93 }
94
96 void columns (unsigned int count = 1)
97 {
98 end += count;
99 }
100
102 void lines (unsigned int count = 1)
103 {
104 end.lines (count);
105 }
109 public:
114 };
115
117 inline const location operator+ (const location& begin, const location& end)
118 {
119 location res = begin;
120 res.end = end.end;
121 return res;
122 }
123
125 inline const location operator+ (const location& begin, unsigned int width)
126 {
127 location res = begin;
128 res.columns (width);
129 return res;
130 }
131
133 inline location& operator+= (location& res, unsigned int width)
134 {
135 res.columns (width);
136 return res;
137 }
138
140 inline bool
141 operator== (const location& loc1, const location& loc2)
142 {
143 return loc1.begin == loc2.begin && loc1.end == loc2.end;
144 }
145
147 inline bool
148 operator!= (const location& loc1, const location& loc2)
149 {
150 return !(loc1 == loc2);
151 }
152
159 template <typename YYChar>
160 inline std::basic_ostream<YYChar>&
161 operator<< (std::basic_ostream<YYChar>& ostr, const location& loc)
162 {
163 position last = loc.end - 1;
164 ostr << loc.begin;
165 if (last.filename
166 && (!loc.begin.filename
167 || *loc.begin.filename != *last.filename))
168 ostr << '-' << last;
169 else if (loc.begin.line != last.line)
170 ostr << '-' << last.line << '.' << last.column;
171 else if (loc.begin.column != last.column)
172 ostr << '-' << last.column;
173 return ostr;
174 }
175
176
177} // yy
178/* Line 296 of location.cc */
179#line 180 "location.hh"
180
181#endif /* !YY_YY_LOCATION_HH_INCLUDED */
Abstract a location.
Definition: location.hh:50
void columns(unsigned int count=1)
Extend the current location to the COUNT next columns.
Definition: location.hh:96
location(const position &b, const position &e)
Construct a location from b to e.
Definition: location.hh:54
void initialize(std::string *f=YY_NULL, unsigned int l=1u, unsigned int c=1u)
Initialization.
Definition: location.hh:78
location(const position &p=position())
Construct a 0-width location in p.
Definition: location.hh:61
position begin
Beginning of the located region.
Definition: location.hh:111
location(std::string *f, unsigned int l=1u, unsigned int c=1u)
Construct a 0-width location in f, l, c.
Definition: location.hh:68
void step()
Reset initial location to final location.
Definition: location.hh:90
position end
End of the located region.
Definition: location.hh:113
void lines(unsigned int count=1)
Extend the current location to the COUNT next lines.
Definition: location.hh:102
Abstract a position.
Definition: position.hh:59
void lines(int count=1)
(line related) Advance to the COUNT next lines.
Definition: position.hh:86
unsigned int line
Current line number.
Definition: position.hh:102
void initialize(std::string *fn=YY_NULL, unsigned int l=1u, unsigned int c=1u)
Initialization.
Definition: position.hh:74

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