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1 | <html> |
2 | ||
3 | <head> | |
4 | <title>Quick Reference</title> | |
5 | <link rel="stylesheet" href="theme/style.css" type="text/css"> | |
6 | </head> | |
7 | ||
8 | <body> | |
9 | <table width="100%" border="0" background="theme/bkd2.gif" cellspacing="2"> | |
10 | <tr> | |
11 | <td width="10"> </td> | |
12 | <td width="85%"> <font size="6" face="Verdana, Arial, Helvetica, sans-serif"><b>Quick | |
13 | Reference </b></font></td> | |
14 | <td width="112"><a href="http://spirit.sf.net"><img src="theme/spirit.gif" width="112" height="48" align="right" border="0"></a></td> | |
15 | </tr> | |
16 | </table> | |
17 | <br> | |
18 | <table border="0"> | |
19 | <tr> | |
20 | <td width="10"></td> | |
21 | <td width="30"><a href="../index.html"><img src="theme/u_arr.gif" border="0"></a></td> | |
22 | <td width="30"><a href="error_handling.html"><img src="theme/l_arr.gif" border="0"></a></td> | |
23 | <td width="30"><a href="includes.html"><img src="theme/r_arr.gif" border="0"></a></td> | |
24 | </tr> | |
25 | </table> | |
26 | <p>This isn't intended to be a full, detailed reference; nor is it intended to | |
27 | be of any use to readers who aren't already familiar with Spirit. It's just | |
28 | a brief reminder of the syntax and behaviour of each component, with links to | |
29 | the full documentation. </p> | |
30 | <ul> | |
31 | <li><strong>Primitive parser generators</strong> <i>(action arguments are listed | |
32 | on the right)</i> | |
33 | <ul> | |
34 | <li><a href="quickref.html#null_parsers">Null parsers</a></li> | |
35 | <li><a href="quickref.html#character_parsers">Character parsers</a></li> | |
36 | <li><a href="quickref.html#number_parsers">Number parsers</a></li> | |
37 | <li><a href="quickref.html#otherlexeme_parsers">Other lexeme parsers</a></li> | |
38 | <li><a href="quickref.html#text_parsers">Text parsers</a><br> | |
39 | <br> | |
40 | </li> | |
41 | </ul> | |
42 | </li> | |
43 | <li><strong>Other parser elements</strong> | |
44 | <ul> | |
45 | <li><a href="quickref.html#compound_parsers">Compound parsers</a></li> | |
46 | <li><a href="quickref.html#general_directives">General directives</a></li> | |
47 | <li><a href="quickref.html#tree_specific_directives">Tree-specific directives</a><br> | |
48 | <br> | |
49 | </li> | |
50 | </ul> | |
51 | </li> | |
52 | <li><strong>Operators</strong> | |
53 | <ul> | |
54 | <li><a href="quickref.html#unary_operators">Unary operators</a></li> | |
55 | <li><a href="quickref.html#binary_operators">Binary operators</a> <i>(in order of precedence)<br> | |
56 | </i></li> | |
57 | </ul> | |
58 | </li> | |
59 | </ul> | |
60 | ||
61 | <table> | |
62 | ||
63 | <tr> | |
64 | ||
65 | <td valign="top"> | |
66 | ||
67 | <table> | |
68 | ||
69 | <tr> | |
70 | <td class="table_title" colspan="3"><a name="null_parsers"></a>Null parsers</td> | |
71 | </tr> | |
72 | <tr> | |
73 | <td class="table_cells"><code><a href="primitives.html">end_p</a></code></td> | |
74 | <td class="table_cells">Matches EOF</td> | |
75 | <td class="table_cells"><i>iter,iter</i></td> | |
76 | </tr> | |
77 | <tr> | |
78 | <td class="table_cells"><code><a href="primitives.html">eps_p</a><br /> | |
79 | <a href="primitives.html">eps_p</a>(P)</code></td> | |
80 | <td class="table_cells">Matches without consuming text</td> | |
81 | <td class="table_cells"><i>iter,iter</i></td> | |
82 | </tr> | |
83 | <tr> | |
84 | <td class="table_cells"><code><a href="primitives.html">epsilon_p</a><br /> | |
85 | <a href="primitives.html">epsilon_p</a>(P)</code></td> | |
86 | <td class="table_cells">Synonym for <b>eps_p</b></td> | |
87 | <td class="table_cells"><i>iter,iter</i></td> | |
88 | </tr> | |
89 | <tr> | |
90 | <td class="table_cells"><code><a href="primitives.html">nothing_p</a></code></td> | |
91 | <td class="table_cells">Always fails</td> | |
92 | <td class="table_cells"><i>iter,iter</i></td> | |
93 | </tr> | |
94 | ||
95 | <tr> | |
96 | <td class="table_title" colspan="3"><a name="character_parsers"></a>Character parsers</td> | |
97 | </tr> | |
98 | <tr> | |
99 | <td class="table_cells"><code><a href="primitives.html">alnum_p</a></code></td> | |
100 | <td class="table_cells">Matches any alphanumeric character</td> | |
101 | <td class="table_cells"><i>char</i></td> | |
102 | </tr> | |
103 | <tr> | |
104 | <td class="table_cells"><code><a href="primitives.html">alpha_p</a></code></td> | |
105 | <td class="table_cells">Matches any letter</td> | |
106 | <td class="table_cells"><i>char</i></td> | |
107 | </tr> | |
108 | <tr> | |
109 | <td class="table_cells"><code><a href="primitives.html">anychar_p</a></code></td> | |
110 | <td class="table_cells">Matches any character</td> | |
111 | <td class="table_cells"><i>char</i></td> | |
112 | </tr> | |
113 | <tr> | |
114 | <td class="table_cells"><code><a href="primitives.html">blank_p</a></code></td> | |
115 | <td class="table_cells">Matches a space or tab</td> | |
116 | <td class="table_cells"><i>char</i></td> | |
117 | </tr> | |
118 | <tr> | |
119 | ||
120 | <td class="table_cells"><code><a href="primitives.html">ch_p</a>(char)</code></td> | |
121 | <td class="table_cells">Matches a character</td> | |
122 | <td class="table_cells"><i>char</i></td> | |
123 | </tr> | |
124 | <tr> | |
125 | ||
126 | <td class="table_cells"><code><a href="character_sets.html">chset_p</a>(charset)</code></td> | |
127 | <td class="table_cells">Matches a character in the set</td> | |
128 | <td class="table_cells"><i>char</i></td> | |
129 | </tr> | |
130 | <tr> | |
131 | <td class="table_cells"><code><a href="primitives.html">cntrl_p</a></code></td> | |
132 | <td class="table_cells">Matches any control character</td> | |
133 | <td class="table_cells"><i>char</i></td> | |
134 | </tr> | |
135 | <tr> | |
136 | <td class="table_cells"><code><a href="primitives.html">digit_p</a></code></td> | |
137 | <td class="table_cells">Matches any digit</td> | |
138 | <td class="table_cells"><i>char</i></td> | |
139 | </tr> | |
140 | <tr> | |
141 | ||
142 | <td class="table_cells"><code><a href="parametric_parsers.html">f_ch_p</a>(func)</code></td> | |
143 | <td class="table_cells">Matches a character</td> | |
144 | <td class="table_cells"><i>char</i></td> | |
145 | </tr> | |
146 | <tr> | |
147 | ||
148 | <td class="table_cells"><code><a href="parametric_parsers.html">f_range_p</a>(func1, | |
149 | func2)</code></td> | |
150 | <td class="table_cells">Matches any character in the inclusive range</td> | |
151 | <td class="table_cells"><i>char</i></td> | |
152 | </tr> | |
153 | <tr> | |
154 | <td class="table_cells"><code><a href="primitives.html">graph_p</a></code></td> | |
155 | <td class="table_cells">Matches any non-space printable character</td> | |
156 | <td class="table_cells"><i>char</i></td> | |
157 | </tr> | |
158 | <tr> | |
159 | <td class="table_cells"><code><a href="primitives.html">lower_p</a></code></td> | |
160 | <td class="table_cells">Matches any lower-case letter</td> | |
161 | <td class="table_cells"><i>char</i></td> | |
162 | </tr> | |
163 | <tr> | |
164 | <td class="table_cells"><code><a href="primitives.html">print_p</a></code></td> | |
165 | <td class="table_cells">Matches any printable character</td> | |
166 | <td class="table_cells"><i>char</i></td> | |
167 | </tr> | |
168 | <tr> | |
169 | <td class="table_cells"><code><a href="primitives.html">punct_p</a></code></td> | |
170 | <td class="table_cells">Matches any punctuation mark</td> | |
171 | <td class="table_cells"><i>char</i></td> | |
172 | </tr> | |
173 | <tr> | |
174 | ||
175 | <td class="table_cells"><code><a href="primitives.html">range_p</a>(char1, | |
176 | char2)</code></td> | |
177 | <td class="table_cells">Matches any character in the inclusive range</td> | |
178 | <td class="table_cells"><i>char</i></td> | |
179 | </tr> | |
180 | <tr> | |
181 | <td class="table_cells"><code><a href="numerics.html">sign_p</a></code></td> | |
182 | <td class="table_cells">Matches a plus or minus sign</td> | |
183 | <td class="table_cells"><i>bool</i></td> | |
184 | </tr> | |
185 | <tr> | |
186 | <td class="table_cells"><code><a href="primitives.html">space_p</a></code></td> | |
187 | <td class="table_cells">Matches any whitespace character</td> | |
188 | <td class="table_cells"><i>char</i></td> | |
189 | </tr> | |
190 | <tr> | |
191 | <td class="table_cells"><code><a href="primitives.html">upper_p</a></code></td> | |
192 | <td class="table_cells">Matches any upper-case letter</td> | |
193 | <td class="table_cells"><i>char</i></td> | |
194 | </tr> | |
195 | <tr> | |
196 | <td class="table_cells"><code><a href="primitives.html">xdigit_p</a></code></td> | |
197 | <td class="table_cells">Matches any hexadecimal digit</td> | |
198 | <td class="table_cells"><i>char</i></td> | |
199 | </tr> | |
200 | ||
201 | <tr> | |
202 | <td class="table_title" colspan="3"><a name="number_parsers"></a>Number parsers</td> | |
203 | </tr> | |
204 | <tr> | |
205 | <td class="table_cells"><code><a href="numerics.html">bin_p</a></code></td> | |
206 | <td class="table_cells">Matches an unsigned binary integer</td> | |
207 | <td class="table_cells"><i>numeric</i></td> | |
208 | </tr> | |
209 | <tr> | |
210 | <td class="table_cells"><code><a href="numerics.html">hex_p</a></code></td> | |
211 | <td class="table_cells">Matches an unsigned hexadecimal integer</td> | |
212 | <td class="table_cells"><i>numeric</i></td> | |
213 | </tr> | |
214 | <tr> | |
215 | <td class="table_cells"><code><a href="numerics.html">int_p</a></code></td> | |
216 | <td class="table_cells">Matches a signed decimal integer</td> | |
217 | <td class="table_cells"><i>numeric</i></td> | |
218 | </tr> | |
219 | <tr> | |
220 | ||
221 | <td class="table_cells"><code><a href="numerics.html">int_parser</a><type, | |
222 | base, min, max></code></td> | |
223 | <td class="table_cells">Matches a signed integer with <b>min</b> to <b>max</b> digits</td> | |
224 | <td class="table_cells"><i>numeric</i></td> | |
225 | </tr> | |
226 | <tr> | |
227 | <td class="table_cells"><code><a href="numerics.html">oct_p</a></code></td> | |
228 | <td class="table_cells">Matches an unsigned octal integer</td> | |
229 | <td class="table_cells"><i>numeric</i></td> | |
230 | </tr> | |
231 | <tr> | |
232 | <td class="table_cells"><code><a href="numerics.html">real_p</a></code></td> | |
233 | <td class="table_cells">Matches a floating point number</td> | |
234 | <td class="table_cells"><i>numeric</i></td> | |
235 | </tr> | |
236 | <tr> | |
237 | ||
238 | <td class="table_cells"><code><a href="numerics.html">real_parser</a><type, | |
239 | policy></code></td> | |
240 | <td class="table_cells">Matches a floating point number</td> | |
241 | <td class="table_cells"><i>numeric</i></td> | |
242 | </tr> | |
243 | <tr> | |
244 | <td class="table_cells"><code><a href="numerics.html">strict_real_p</a></code></td> | |
245 | <td class="table_cells">Matches a floating point number (requires decimal point)</td> | |
246 | <td class="table_cells"><i>numeric</i></td> | |
247 | </tr> | |
248 | <tr> | |
249 | <td class="table_cells"><code><a href="numerics.html">strict_ureal_p</a></code></td> | |
250 | <td class="table_cells">Matches an unsigned FP number (requires decimal point)</td> | |
251 | <td class="table_cells"><i>numeric</i></td> | |
252 | </tr> | |
253 | <tr> | |
254 | <td class="table_cells"><code><a href="numerics.html">uint_p</a></code></td> | |
255 | <td class="table_cells">Matches an unsigned decimal integer</td> | |
256 | <td class="table_cells"><i>numeric</i></td> | |
257 | </tr> | |
258 | <tr> | |
259 | ||
260 | <td class="table_cells"><code><a href="numerics.html">uint_parser</a><type, | |
261 | base, min, max></code></td> | |
262 | <td class="table_cells">Matches an unsigned integer with <b>min</b> to <b>max</b> digits</td> | |
263 | <td class="table_cells"><i>numeric</i></td> | |
264 | </tr> | |
265 | <tr> | |
266 | <td class="table_cells"><code><a href="numerics.html">ureal_p</a></code></td> | |
267 | <td class="table_cells">Matches an unsigned FP number</td> | |
268 | <td class="table_cells"><i>numeric</i></td> | |
269 | </tr> | |
270 | ||
271 | <tr> | |
272 | <td class="table_title" colspan="3" id="other_lexeme_parsers"><a name="otherlexeme_parsers"></a>Other lexeme parsers</td> | |
273 | </tr> | |
274 | <tr> | |
275 | <td class="table_cells"><code><a href="escape_char_parser.html">c_escape_ch_p</a></code></td> | |
276 | <td class="table_cells">Matches a C escape code</td> | |
277 | <td class="table_cells"><i>char</i></td> | |
278 | </tr> | |
279 | <tr> | |
280 | ||
281 | <td class="table_cells"><code><a href="confix.html">comment_p</a>(string)<br /> | |
282 | <a href="confix.html">comment_p</a> (string1, string2)</code></td> | |
283 | <td class="table_cells">Matches C++ or C-style comments</td> | |
284 | <td class="table_cells"><i>iter,iter</i></td> | |
285 | </tr> | |
286 | <tr> | |
287 | <td class="table_cells"><code><a href="primitives.html">eol_p</a></code></td> | |
288 | <td class="table_cells">Matches CR, LF, or any combination</td> | |
289 | <td class="table_cells"><i>iter,iter</i></td> | |
290 | </tr> | |
291 | <tr> | |
292 | ||
293 | <td class="table_cells"><code><a href="parametric_parsers.html">f_str_p</a>(func1, | |
294 | func2)</code></td> | |
295 | <td class="table_cells">Matches a string</td> | |
296 | <td class="table_cells"><i>iter,iter</i></td> | |
297 | </tr> | |
298 | <tr> | |
299 | <td class="table_cells"><code><a href="escape_char_parser.html">lex_escape_ch_p</a></code></td> | |
300 | <td class="table_cells">Matches a C escape code or any backslash escape</td> | |
301 | <td class="table_cells"><i>char</i></td> | |
302 | </tr> | |
303 | <tr> | |
304 | ||
305 | <td class="table_cells"><code><a href="regular_expression_parser.html">regex_p</a>(regex)</code></td> | |
306 | <td class="table_cells">Matches a regular expression</td> | |
307 | <td class="table_cells"><i>iter,iter</i></td> | |
308 | </tr> | |
309 | <tr> | |
310 | ||
311 | <td class="table_cells"><code><a href="primitives.html">str_p</a>(string)<br /> | |
312 | <a href="primitives.html">str_p</a>(iter1, iter2)</code></td> | |
313 | <td class="table_cells">Matches a string</td> | |
314 | <td class="table_cells"><i>iter,iter</i></td> | |
315 | </tr> | |
316 | ||
317 | <tr> | |
318 | <td class="table_title" colspan="3"><a name="text_parsers"></a>Text parsers</td> | |
319 | </tr> | |
320 | <tr> | |
321 | ||
322 | <td class="table_cells"><code><a href="primitives.html">chseq_p</a>(string)<br /> | |
323 | <a href="primitives.html">chseq_p</a>(iter1, iter2)</code></td> | |
324 | <td class="table_cells">Matches a string, possibly with embedded whitespace</td> | |
325 | <td class="table_cells"><i>iter,iter</i></td> | |
326 | </tr> | |
327 | <tr> | |
328 | ||
329 | <td class="table_cells"><code><a href="parametric_parsers.html">f_chseq_p</a>(func1, | |
330 | func2)</code></td> | |
331 | <td class="table_cells">Matches a string, possibly with embedded whitespace</td> | |
332 | <td class="table_cells"><i>iter,iter</i></td> | |
333 | </tr> | |
334 | ||
335 | </table> | |
336 | ||
337 | </td> | |
338 | ||
339 | <td width="10"> </td> | |
340 | ||
341 | <td valign="top"> | |
342 | ||
343 | <table> | |
344 | ||
345 | <tr> | |
346 | <td class="table_title" colspan="2"><a name="compound_parsers"></a>Compound parsers</td> | |
347 | </tr> | |
348 | <tr> | |
349 | ||
350 | <td class="table_cells"><code><a href="confix.html">confix_p</a>(open, | |
351 | exp, close)</code></td> | |
352 | <td class="table_cells">Matches <b>open >> (exp - close) >> close</b></td> | |
353 | </tr> | |
354 | <tr> | |
355 | ||
356 | <td class="table_cells"><code><a href="dynamic_parsers.html">do_p</a>[P].<a href="dynamic_parsers.html">while_p</a>(cond)</code></td> | |
357 | <td class="table_cells">Matches while a condition is true (at least once)</td> | |
358 | </tr> | |
359 | <tr> | |
360 | ||
361 | <td class="table_cells"><code><a href="dynamic_parsers.html">for_p</a>(init, | |
362 | cond, step)[P]</code></td> | |
363 | <td class="table_cells">Matches in a loop</td> | |
364 | </tr> | |
365 | <tr> | |
366 | ||
367 | <td class="table_cells"><code><a href="functor_parser.html">functor_parser</a><func></code></td> | |
368 | <td class="table_cells">Wraps an external parser</td> | |
369 | </tr> | |
370 | <tr> | |
371 | ||
372 | <td class="table_cells"><code><a href="dynamic_parsers.html">if_p</a>(cond)[P]<br /> | |
373 | <a href="dynamic_parsers.html">if_p</a>(cond)[P].<a href="dynamic_parsers.html">else_p</a>[P]</code></td> | |
374 | <td class="table_cells">Matches depending on a condition</td> | |
375 | </tr> | |
376 | <tr> | |
377 | ||
378 | <td class="table_cells"><code><a href="the_lazy_parser.html">lazy_p</a>(P)</code></td> | |
379 | <td class="table_cells">Evaluates a parser at run time</td> | |
380 | </tr> | |
381 | <tr> | |
382 | <td class="table_cells"><code><a href="list_parsers.html">list_p</a> <br /> | |
383 | <a href="list_parsers.html">list_p</a>(del)<br /> | |
384 | <a href="list_parsers.html">list_p</a>(item, del)<br /> | |
385 | <a href="list_parsers.html">list_p</a>(item, del, end)</code></td> | |
386 | <td class="table_cells">Matches a delimited list</td> | |
387 | </tr> | |
388 | <tr> | |
389 | ||
390 | <td class="table_cells"><code><a href="loops.html">repeat_p</a>(num)[P]<br /> | |
391 | <a href="loops.html">repeat_p</a>(min, max)[P]<br /> | |
392 | <a href="loops.html">repeat_p</a>(min, <a href="loops.html">more</a>)[P]</code></td> | |
393 | <td class="table_cells">Matches multiple times</td> | |
394 | </tr> | |
395 | <tr> | |
396 | <td class="table_cells"><code><a href="dynamic_parsers.html">while_p</a> (cond) [P]</code></td> | |
397 | <td class="table_cells">Matches while a condition is true</td> | |
398 | </tr> | |
399 | ||
400 | <tr> | |
401 | <td class="table_title" colspan="2" id="general_directives"><a name="general_directives"></a>General directives</td> | |
402 | </tr> | |
403 | <tr> | |
404 | ||
405 | <td class="table_cells"><code><a href="directives.html">as_lower_d</a>[P]</code></td> | |
406 | <td class="table_cells">Converts text to lower case before matching</td> | |
407 | </tr> | |
408 | <tr> | |
409 | ||
410 | <td class="table_cells"><code><a href="refactoring.html">attach_action_d</a>[(P1 | |
411 | op P2)[act]]</code></td> | |
412 | <td class="table_cells">Transforms to <b>P1 [act] op P2 [act]</b></td> | |
413 | </tr> | |
414 | <tr> | |
415 | ||
416 | <td class="table_cells"><code><a href="directives.html">lexeme_d</a>[P]</code></td> | |
417 | <td class="table_cells">Turns off whitespace skipping</td> | |
418 | </tr> | |
419 | <tr> | |
420 | ||
421 | <td class="table_cells"><code><a href="directives.html">limit_d</a>[P](min, | |
422 | max)</code></td> | |
423 | <td class="table_cells">Matches only if the value is within the range</td> | |
424 | </tr> | |
425 | <tr> | |
426 | ||
427 | <td class="table_cells"><code><a href="directives.html">longest_d</a>[P]</code></td> | |
428 | <td class="table_cells">Matches the longest of alternatives</td> | |
429 | </tr> | |
430 | <tr> | |
431 | ||
432 | <td class="table_cells"><code><a href="directives.html">max_limit_d</a>[P](max)</code></td> | |
433 | <td class="table_cells">Matches only if <b>value <= max</b></td> | |
434 | </tr> | |
435 | <tr> | |
436 | ||
437 | <td class="table_cells"><code><a href="directives.html">min_limit_d</a>[P](min)</code></td> | |
438 | <td class="table_cells">Matches only if <b>value >= min</b></td> | |
439 | </tr> | |
440 | <tr> | |
441 | ||
442 | <td class="table_cells"><code><a href="refactoring.html">refactor_action_d</a>[P1 | |
443 | [act] op P2]</code></td> | |
444 | <td class="table_cells">Transforms to <b>(P1 op P2) [act]</b></td> | |
445 | </tr> | |
446 | <tr> | |
447 | ||
448 | <td class="table_cells"><code><a href="refactoring.html">refactor_unary_d</a>[op1 | |
449 | P1 op2 P2]</code></td> | |
450 | <td class="table_cells">Transforms to <b>op1 (P1 op2 P2)</b></td> | |
451 | </tr> | |
452 | <tr> | |
453 | ||
454 | <td class="table_cells"><code><a href="scoped_lock.html">scoped_lock_d</a>[P](mutex)</code></td> | |
455 | <td class="table_cells">Locks a mutex while matching</td> | |
456 | </tr> | |
457 | <tr> | |
458 | ||
459 | <td class="table_cells"><code><a href="directives.html">shortest_d</a>[P]</code></td> | |
460 | <td class="table_cells">Matches the shortest of alternatives</td> | |
461 | </tr> | |
462 | ||
463 | <tr> | |
464 | <td class="table_title" colspan="2"><a name="tree_specific_directives"></a>Tree-specific directives</td> | |
465 | </tr> | |
466 | <tr> | |
467 | ||
468 | <td class="table_cells"><code><a href="trees.html">access_node_d</a>[P]</code></td> | |
469 | <td class="table_cells">Passes node value to action</td> | |
470 | </tr> | |
471 | <tr> | |
472 | ||
473 | <td class="table_cells"><code><a href="trees.html">discard_first_node_d</a>[P]</code></td> | |
474 | <td class="table_cells">Discards first node</td> | |
475 | </tr> | |
476 | <tr> | |
477 | ||
478 | <td class="table_cells"><code><a href="trees.html">discard_last_node_d</a>[P]</code></td> | |
479 | <td class="table_cells">Discards last node</td> | |
480 | </tr> | |
481 | <tr> | |
482 | ||
483 | <td class="table_cells"><code><a href="trees.html">discard_node_d</a>[P]</code></td> | |
484 | <td class="table_cells">Discards the generated node</td> | |
485 | </tr> | |
486 | <tr> | |
487 | ||
488 | <td class="table_cells"><code><a href="trees.html">infix_node_d</a>[P]</code></td> | |
489 | <td class="table_cells">Discards even-position nodes</td> | |
490 | </tr> | |
491 | <tr> | |
492 | ||
493 | <td class="table_cells"><code><a href="trees.html">inner_node_d</a>[P]</code></td> | |
494 | <td class="table_cells">Discards first and last nodes</td> | |
495 | </tr> | |
496 | <tr> | |
497 | ||
498 | <td class="table_cells"><code><a href="trees.html">leaf_node_d</a>[P]</code></td> | |
499 | <td class="table_cells">Generates a single node with no children</td> | |
500 | </tr> | |
501 | <tr> | |
502 | ||
503 | <td class="table_cells"><code><a href="trees.html">no_node_d</a>[P]</code></td> | |
504 | <td class="table_cells">Does not generate a node</td> | |
505 | </tr> | |
506 | <tr> | |
507 | ||
508 | <td class="table_cells"><code><a href="trees.html">root_node_d</a>[P]</code></td> | |
509 | <td class="table_cells">Identifies root nodes for an AST</td> | |
510 | </tr> | |
511 | <tr> | |
512 | ||
513 | <td class="table_cells"><code><a href="trees.html">token_node_d</a>[P]</code></td> | |
514 | <td class="table_cells">Synonym for <b>leaf_node_d</b></td> | |
515 | </tr> | |
516 | ||
517 | <tr> | |
518 | <td class="table_title" colspan="2"><a name="unary_operators"></a>Unary operators</td> | |
519 | </tr> | |
520 | <tr> | |
521 | ||
522 | <td class="table_cells"><code><a href="operators.html">!P</a></code></td> | |
523 | <td class="table_cells">Matches <b>P</b> or an empty string</td> | |
524 | </tr> | |
525 | <tr> | |
526 | ||
527 | <td class="table_cells"><code><a href="operators.html">*P</a></code></td> | |
528 | <td class="table_cells">Matches <b>P</b> zero or more times</td> | |
529 | </tr> | |
530 | <tr> | |
531 | ||
532 | <td class="table_cells"><code><a href="operators.html">+P</a></code></td> | |
533 | <td class="table_cells">Matches <b>P</b> one or more times</td> | |
534 | </tr> | |
535 | <tr> | |
536 | ||
537 | <td class="table_cells"><code><a href="primitives.html">~P</a></code></td> | |
538 | <td class="table_cells">Matches anything that does not match <b>P</b></td> | |
539 | </tr> | |
540 | ||
541 | <tr> | |
542 | <td class="table_title" colspan="2"><a name="binary_operators"></a>Binary operators</td> | |
543 | </tr> | |
544 | <tr> | |
545 | <td class="table_cells"><code><a href="operators.html">P1 % P2</a></code></td> | |
546 | <td class="table_cells">Matches one or more <b>P1</b> separated by <b>P2</b></td> | |
547 | </tr> | |
548 | <tr> | |
549 | <td class="table_cells"><code><a href="operators.html">P1 - P2</a></code></td> | |
550 | <td class="table_cells">Matches <b>P1</b> but not <b>P2</b></td> | |
551 | </tr> | |
552 | <tr> | |
553 | <td class="table_cells"><code><a href="operators.html">P1 >> P2</a></code></td> | |
554 | <td class="table_cells">Matches <b>P1</b> followed by <b>P2</b></td> | |
555 | </tr> | |
556 | <tr> | |
557 | <td class="table_cells"><code><a href="operators.html">P1 & P2</a></code></td> | |
558 | <td class="table_cells">Matches both <b>P1</b> and <b>P2</b></td> | |
559 | </tr> | |
560 | <tr> | |
561 | <td class="table_cells"><code><a href="operators.html">P1 ^ P2</a></code></td> | |
562 | <td class="table_cells">Matches <b>P1</b> or <b>P2</b>, but not both</td> | |
563 | </tr> | |
564 | <tr> | |
565 | <td class="table_cells"><code><a href="operators.html">P1 | P2</a></code></td> | |
566 | <td class="table_cells">Matches <b>P1</b> or <b>P2</b></td> | |
567 | </tr> | |
568 | <tr> | |
569 | <td class="table_cells"><code><a href="operators.html">P1 && P2</a></code></td> | |
570 | <td class="table_cells">Synonym for <b>P1 >> P2</b></td> | |
571 | </tr> | |
572 | <tr> | |
573 | <td class="table_cells"><code><a href="operators.html">P1 || P2</a></code></td> | |
574 | <td class="table_cells">Matches <b>P1 | P2 | P1 >> P2</b></td> | |
575 | </tr> | |
576 | ||
577 | </table> | |
578 | ||
579 | </td> | |
580 | ||
581 | </tr> | |
582 | ||
583 | </table> | |
584 | ||
585 | <br> | |
586 | <table border="0"> | |
587 | <tr> | |
588 | <td width="10"></td> | |
589 | <td width="30"><a href="../index.html"><img src="theme/u_arr.gif" border="0"></a></td> | |
590 | <td width="30"><a href="error_handling.html"><img src="theme/l_arr.gif" border="0"></a></td> | |
591 | <td width="30"><a href="includes.html"><img src="theme/r_arr.gif" border="0"></a></td> | |
592 | </tr> | |
593 | </table> | |
594 | <hr size="1"> | |
595 | <p class="copyright">Copyright © 2003 Ross Smith<br> | |
596 | <br> | |
597 | <font size="2">Use, modification and distribution is subject to the Boost Software | |
598 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)</font></p> | |
599 | <p> </p> | |
600 | </body> | |
601 | ||
602 | </html> |