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64 <li><a href="#M000049">#exit_with_paren_errors</a></li>
66 <li><a href="#M000048">#exit_with_parse_errors</a></li>
68 <li><a href="#M000047">#exit_with_token_errors</a></li>
70 <li><a href="#M000050">#parse</a></li>
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333 <h1 class="class">MCollective::Matcher::Parser</h1>
335 <div id="description">
344 <div id="attribute-method-details" class="method-section section">
345 <h3 class="section-header">Attributes</h3>
348 <div id="scanner-attribute-method" class="method-detail">
349 <a name="scanner"></a>
351 <div class="method-heading attribute-method-heading">
352 <span class="method-name">scanner</span><span
353 class="attribute-access-type">[R]</span>
356 <div class="method-description">
358 <p class="missing-docs">(Not documented)</p>
363 <div id="execution-stack-attribute-method" class="method-detail">
364 <a name="execution_stack"></a>
366 <div class="method-heading attribute-method-heading">
367 <span class="method-name">execution_stack</span><span
368 class="attribute-access-type">[R]</span>
371 <div class="method-description">
373 <p class="missing-docs">(Not documented)</p>
383 <div id="public-class-method-details" class="method-section section">
384 <h3 class="section-header">Public Class Methods</h3>
387 <div id="new-method" class="method-detail ">
388 <a name="M000046"></a>
390 <div class="method-heading">
392 <span class="method-name">new</span><span
393 class="method-args">(args)</span>
394 <span class="method-click-advice">click to toggle source</span>
398 <div class="method-description">
400 <p class="missing-docs">(Not documented)</p>
404 <div class="method-source-code"
407 <span class="ruby-comment cmt"># File lib/mcollective/matcher/parser.rb, line 6</span>
408 6: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">args</span>)
409 7: <span class="ruby-ivar">@scanner</span> = <span class="ruby-constant">Scanner</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">args</span>)
410 8: <span class="ruby-ivar">@execution_stack</span> = []
411 9: <span class="ruby-ivar">@parse_errors</span> = []
412 10: <span class="ruby-ivar">@token_errors</span> = []
413 11: <span class="ruby-ivar">@paren_errors</span> = []
414 12: <span class="ruby-identifier">parse</span>
415 13: <span class="ruby-identifier">exit_with_token_errors</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@token_errors</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span>
416 14: <span class="ruby-identifier">exit_with_parse_errors</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@parse_errors</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span>
417 15: <span class="ruby-identifier">exit_with_paren_errors</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@paren_errors</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span>
418 16: <span class="ruby-keyword kw">end</span></pre>
429 <div id="public-instance-method-details" class="method-section section">
430 <h3 class="section-header">Public Instance Methods</h3>
433 <div id="exit-with-paren-errors-method" class="method-detail ">
434 <a name="M000049"></a>
436 <div class="method-heading">
438 <span class="method-name">exit_with_paren_errors</span><span
439 class="method-args">()</span>
440 <span class="method-click-advice">click to toggle source</span>
444 <div class="method-description">
446 <p class="missing-docs">(Not documented)</p>
450 <div class="method-source-code"
451 id="exit-with-paren-errors-source">
453 <span class="ruby-comment cmt"># File lib/mcollective/matcher/parser.rb, line 37</span>
454 37: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">exit_with_paren_errors</span>
455 38: <span class="ruby-ivar">@paren_errors</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
456 39: <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">arguments</span>[<span class="ruby-identifier">i</span>] = <span class="ruby-constant">Util</span>.<span class="ruby-identifier">colorize</span>(<span class="ruby-identifier">:red</span>, <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">arguments</span>[<span class="ruby-identifier">i</span>])
457 40: <span class="ruby-keyword kw">end</span>
458 41: <span class="ruby-identifier">raise</span> <span class="ruby-node">"Missing parenthesis found while parsing -S input #{@scanner.arguments.join}"</span>
459 42: <span class="ruby-keyword kw">end</span></pre>
468 <div id="exit-with-parse-errors-method" class="method-detail ">
469 <a name="M000048"></a>
471 <div class="method-heading">
473 <span class="method-name">exit_with_parse_errors</span><span
474 class="method-args">()</span>
475 <span class="method-click-advice">click to toggle source</span>
479 <div class="method-description">
481 <p class="missing-docs">(Not documented)</p>
485 <div class="method-source-code"
486 id="exit-with-parse-errors-source">
488 <span class="ruby-comment cmt"># File lib/mcollective/matcher/parser.rb, line 28</span>
489 28: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">exit_with_parse_errors</span>
490 29: <span class="ruby-ivar">@parse_errors</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">error_range</span><span class="ruby-operator">|</span>
491 30: (<span class="ruby-identifier">error_range</span>[<span class="ruby-value">0</span>]<span class="ruby-operator">..</span><span class="ruby-identifier">error_range</span>[<span class="ruby-value">1</span>]).<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
492 31: <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">arguments</span>[<span class="ruby-identifier">i</span>] = <span class="ruby-constant">Util</span>.<span class="ruby-identifier">colorize</span>(<span class="ruby-identifier">:red</span>, <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">arguments</span>[<span class="ruby-identifier">i</span>])
493 32: <span class="ruby-keyword kw">end</span>
494 33: <span class="ruby-keyword kw">end</span>
495 34: <span class="ruby-identifier">raise</span> <span class="ruby-node">"Parse errors found while parsing -S input #{ @scanner.arguments.join}"</span>
496 35: <span class="ruby-keyword kw">end</span></pre>
505 <div id="exit-with-token-errors-method" class="method-detail ">
506 <a name="M000047"></a>
508 <div class="method-heading">
510 <span class="method-name">exit_with_token_errors</span><span
511 class="method-args">()</span>
512 <span class="method-click-advice">click to toggle source</span>
516 <div class="method-description">
519 Exit and highlight any malformed tokens
524 <div class="method-source-code"
525 id="exit-with-token-errors-source">
527 <span class="ruby-comment cmt"># File lib/mcollective/matcher/parser.rb, line 19</span>
528 19: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">exit_with_token_errors</span>
529 20: <span class="ruby-ivar">@token_errors</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">error_range</span><span class="ruby-operator">|</span>
530 21: (<span class="ruby-identifier">error_range</span>[<span class="ruby-value">0</span>]<span class="ruby-operator">..</span><span class="ruby-identifier">error_range</span>[<span class="ruby-value">1</span>]).<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
531 22: <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">arguments</span>[<span class="ruby-identifier">i</span>] = <span class="ruby-constant">Util</span>.<span class="ruby-identifier">colorize</span>(<span class="ruby-identifier">:red</span>, <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">arguments</span>[<span class="ruby-identifier">i</span>])
532 23: <span class="ruby-keyword kw">end</span>
533 24: <span class="ruby-keyword kw">end</span>
534 25: <span class="ruby-identifier">raise</span> <span class="ruby-node">"Malformed token(s) found while parsing -S input #{@scanner.arguments.join}"</span>
535 26: <span class="ruby-keyword kw">end</span></pre>
544 <div id="parse-method" class="method-detail ">
545 <a name="M000050"></a>
547 <div class="method-heading">
549 <span class="method-name">parse</span><span
550 class="method-args">()</span>
551 <span class="method-click-advice">click to toggle source</span>
555 <div class="method-description">
558 Parse the input string, one token at a time a contruct the call stack
563 <div class="method-source-code"
566 <span class="ruby-comment cmt"># File lib/mcollective/matcher/parser.rb, line 45</span>
567 45: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">parse</span>
568 46: <span class="ruby-identifier">pre_index</span> = <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">token_index</span>
569 47: <span class="ruby-identifier">p_token</span>,<span class="ruby-identifier">p_token_value</span> = <span class="ruby-keyword kw">nil</span>
570 48: <span class="ruby-identifier">c_token</span>,<span class="ruby-identifier">c_token_value</span> = <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">get_token</span>
571 49: <span class="ruby-identifier">parenth</span> = <span class="ruby-value">0</span>
573 51: <span class="ruby-keyword kw">while</span> (<span class="ruby-identifier">c_token</span> <span class="ruby-operator">!=</span> <span class="ruby-keyword kw">nil</span>)
574 52: <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">token_index</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span>
575 53: <span class="ruby-identifier">n_token</span>, <span class="ruby-identifier">n_token_value</span> = <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">get_token</span>
577 55: <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">n_token</span> <span class="ruby-operator">==</span> <span class="ruby-value str">" "</span>
578 56: <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">c_token</span>
579 57: <span class="ruby-keyword kw">when</span> <span class="ruby-value str">"bad_token"</span>
580 58: <span class="ruby-ivar">@token_errors</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">c_token_value</span>
582 60: <span class="ruby-keyword kw">when</span> <span class="ruby-value str">"and"</span>
583 61: <span class="ruby-keyword kw">unless</span> (<span class="ruby-identifier">n_token</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/not|fstatement|statement|\(/</span>) <span class="ruby-operator">||</span> (<span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">arguments</span>.<span class="ruby-identifier">size</span>) <span class="ruby-operator">&&</span> <span class="ruby-operator">!</span>(<span class="ruby-identifier">n_token</span> <span class="ruby-operator">==</span> <span class="ruby-keyword kw">nil</span>)
584 62: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span>, <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span>]
585 63: <span class="ruby-keyword kw">end</span>
587 65: <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">p_token</span> <span class="ruby-operator">==</span> <span class="ruby-keyword kw">nil</span>
588 66: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">c_token</span>.<span class="ruby-identifier">size</span>, <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span>]
589 67: <span class="ruby-keyword kw">elsif</span> (<span class="ruby-identifier">p_token</span> <span class="ruby-operator">==</span> <span class="ruby-value str">"and"</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">p_token</span> <span class="ruby-operator">==</span> <span class="ruby-value str">"or"</span>)
590 68: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">p_token</span>.<span class="ruby-identifier">size</span>, <span class="ruby-identifier">pre_index</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>]
591 69: <span class="ruby-keyword kw">end</span>
593 71: <span class="ruby-keyword kw">when</span> <span class="ruby-value str">"or"</span>
594 72: <span class="ruby-keyword kw">unless</span> (<span class="ruby-identifier">n_token</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/not|fstatement|statement|\(/</span>) <span class="ruby-operator">||</span> (<span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">arguments</span>.<span class="ruby-identifier">size</span>) <span class="ruby-operator">&&</span> <span class="ruby-operator">!</span>(<span class="ruby-identifier">n_token</span> <span class="ruby-operator">==</span> <span class="ruby-keyword kw">nil</span>)
595 73: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span>, <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span>]
596 74: <span class="ruby-keyword kw">end</span>
598 76: <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">p_token</span> <span class="ruby-operator">==</span> <span class="ruby-keyword kw">nil</span>
599 77: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">c_token</span>.<span class="ruby-identifier">size</span>, <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span>]
600 78: <span class="ruby-keyword kw">elsif</span> (<span class="ruby-identifier">p_token</span> <span class="ruby-operator">==</span> <span class="ruby-value str">"and"</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">p_token</span> <span class="ruby-operator">==</span> <span class="ruby-value str">"or"</span>)
601 79: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">p_token</span>.<span class="ruby-identifier">size</span>, <span class="ruby-identifier">pre_index</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>]
602 80: <span class="ruby-keyword kw">end</span>
604 82: <span class="ruby-keyword kw">when</span> <span class="ruby-value str">"not"</span>
605 83: <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">n_token</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/fstatement|statement|\(|not/</span> <span class="ruby-operator">&&</span> <span class="ruby-operator">!</span>(<span class="ruby-identifier">n_token</span> <span class="ruby-operator">==</span> <span class="ruby-keyword kw">nil</span>)
606 84: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span>, <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span>]
607 85: <span class="ruby-keyword kw">end</span>
609 87: <span class="ruby-keyword kw">when</span> <span class="ruby-value str">"statement"</span>,<span class="ruby-value str">"fstatement"</span>
610 88: <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">n_token</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/and|or|\)/</span>
611 89: <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">arguments</span>.<span class="ruby-identifier">size</span>
612 90: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span>, <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span>]
613 91: <span class="ruby-keyword kw">end</span>
614 92: <span class="ruby-keyword kw">end</span>
616 94: <span class="ruby-keyword kw">when</span> <span class="ruby-value str">")"</span>
617 95: <span class="ruby-keyword kw">unless</span> (<span class="ruby-identifier">n_token</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/|and|or|not|\(/</span>)
618 96: <span class="ruby-keyword kw">unless</span>(<span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">arguments</span>.<span class="ruby-identifier">size</span>)
619 97: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span>, <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span>]
620 98: <span class="ruby-keyword kw">end</span>
621 99: <span class="ruby-keyword kw">end</span>
622 100: <span class="ruby-keyword kw">unless</span> <span class="ruby-ivar">@paren_errors</span>.<span class="ruby-identifier">empty?</span>
623 101: <span class="ruby-ivar">@paren_errors</span>.<span class="ruby-identifier">pop</span>
624 102: <span class="ruby-keyword kw">else</span>
625 103: <span class="ruby-ivar">@paren_errors</span>.<span class="ruby-identifier">push</span>((<span class="ruby-identifier">n_token</span>.<span class="ruby-identifier">nil?</span>) <span class="ruby-operator">?</span> <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span><span class="ruby-operator">:</span> <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">n_token_value</span>.<span class="ruby-identifier">size</span>)
626 104: <span class="ruby-keyword kw">end</span>
628 106: <span class="ruby-keyword kw">when</span> <span class="ruby-value str">"("</span>
629 107: <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">n_token</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/fstatement|statement|not|\(/</span>
630 108: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span>, <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span>]
631 109: <span class="ruby-keyword kw">end</span>
632 110: <span class="ruby-ivar">@paren_errors</span>.<span class="ruby-identifier">push</span>((<span class="ruby-identifier">n_token</span>.<span class="ruby-identifier">nil?</span>) <span class="ruby-operator">?</span> <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span><span class="ruby-operator">:</span> <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">n_token_value</span>.<span class="ruby-identifier">size</span>)
634 112: <span class="ruby-keyword kw">else</span>
635 113: <span class="ruby-ivar">@parse_errors</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">pre_index</span>, <span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">token_index</span>]
636 114: <span class="ruby-keyword kw">end</span>
638 116: <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">n_token</span> <span class="ruby-operator">==</span> <span class="ruby-value str">" "</span> <span class="ruby-operator">||</span><span class="ruby-identifier">c_token</span> <span class="ruby-operator">==</span> <span class="ruby-value str">"bad_token"</span>
639 117: <span class="ruby-ivar">@execution_stack</span> <span class="ruby-operator"><<</span> {<span class="ruby-identifier">c_token</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">c_token_value</span>}
640 118: <span class="ruby-keyword kw">end</span>
642 120: <span class="ruby-identifier">p_token</span>, <span class="ruby-identifier">p_token_value</span> = <span class="ruby-identifier">c_token</span>, <span class="ruby-identifier">c_token_value</span>
643 121: <span class="ruby-identifier">c_token</span>, <span class="ruby-identifier">c_token_value</span> = <span class="ruby-identifier">n_token</span>, <span class="ruby-identifier">n_token_value</span>
644 122: <span class="ruby-keyword kw">end</span>
645 123: <span class="ruby-identifier">pre_index</span> = <span class="ruby-ivar">@scanner</span>.<span class="ruby-identifier">token_index</span>
646 124: <span class="ruby-keyword kw">end</span>
647 125: <span class="ruby-keyword kw">end</span></pre>
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