apg-exp
Version:
(Deprecated: use apg-js instead.) Pattern-matching alternative to RegExp. Replaces the regular expression syntax with ABNF. Adds APG parser features such as User Defined Terminals (hand-written pattern matchers) and access to the AST.
2 lines • 200 kB
JavaScript
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otherwise',l+="<br><i>NOTE: for success, entire string must be matched</i></td></tr>\n",l+="<tr><td>parser state</td><td>"+o+"</td>\n",l+='<td><span class="'+s.CLASS_EMPTY+'">EMPTY</span>, ',l+='<span class="'+s.CLASS_MATCH+'">MATCH</span> or \n',l+='<span class="'+s.CLASS_NOMATCH+'">NOMATCH</span></td></tr>\n',l+="<tr><td>string length</td><td>"+e.length+"</td><td>length of the input (sub)string</td></tr>\n",l+="<tr><td>matched length</td><td>"+e.matched+"</td><td>number of input string characters matched</td></tr>\n",l+="<tr><td>max matched</td><td>"+e.maxMatched+"</td><td>maximum number of input string characters matched</td></tr>\n",l+="<tr><td>max tree depth</td><td>"+e.maxTreeDepth+"</td><td>maximum depth of the parse tree reached</td></tr>\n",l+="<tr><td>node hits</td><td>"+e.nodeHits+"</td><td>number of parse tree node hits (opcode function calls)</td></tr>\n",l+="<tr><td>input length</td><td>"+e.inputLength+"</td><td>length of full input 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this.charsToAsciiHtml(t)}},function(e,t){e.exports={CLASS_MONOSPACE:"apg-mono",CLASS_ACTIVE:"apg-active",CLASS_EMPTY:"apg-empty",CLASS_MATCH:"apg-match",CLASS_NOMATCH:"apg-nomatch",CLASS_LOOKAHEAD:"apg-lh-match",CLASS_LOOKBEHIND:"apg-lb-match",CLASS_REMAINDER:"apg-remainder",CLASS_CTRLCHAR:"apg-ctrl-char",CLASS_LINEEND:"apg-line-end",CLASS_ERROR:"apg-error",CLASS_PHRASE:"apg-phrase",CLASS_EMPTYPHRASE:"apg-empty-phrase",CLASS_STATE:"apg-state",CLASS_STATS:"apg-stats",CLASS_TRACE:"apg-trace",CLASS_GRAMMAR:"apg-grammar",CLASS_RULES:"apg-rules",CLASS_RULESLINK:"apg-rules-link",CLASS_ATTRIBUTES:"apg-attrs"}},function(e,t,r){"use strict";(function(e){function n(){try{var e=new Uint8Array(1);return e.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}},42===e.foo()&&"function"==typeof e.subarray&&0===e.subarray(1,1).byteLength}catch(e){return!1}}function s(){return a.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function i(e,t){if(s()<t)throw new RangeError("Invalid typed array 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t.length>0&&t[t.length-1]!==p&&t.push(p),t}},t.base64={encode:function(t){if(0===t.length)return e.alloc(0);var r,n,s,i=t.length%3;i=i>0?3-i:0;var a=(t.length+i)/3,l=e.alloc(4*a);i>0&&(a-=1),r=0,n=0;for(var c=0;c<a;c+=1)s=t[r++]<<16,s+=t[r++]<<8,s+=t[r++],l[n++]=h[s>>18&o[6]],l[n++]=h[s>>12&o[6]],l[n++]=h[s>>6&o[6]],l[n++]=h[s&o[6]];return 0===i?l:1===i?(s=t[r++]<<16,s+=t[r]<<8,l[n++]=h[s>>18&o[6]],l[n++]=h[s>>12&o[6]],l[n++]=h[s>>6&o[6]],l[n]=h[64],l):2===i?(s=t[r]<<16,l[n++]=h[s>>18&o[6]],l[n++]=h[s>>12&o[6]],l[n++]=h[64],l[n]=h[64],l):void 0},decode:function(t){function r(t){for(var r=[],n=0,s=0;s<t.length;s+=1)for(var i=t[s];;){if(32===i||9===i||10===i||13===i)break;if(i>=65&&i<=90){r.push(i-65);break}if(i>=97&&i<=122){r.push(i-71);break}if(i>=48&&i<=57){r.push(i+4);break}if(43===i){r.push(62);break}if(47===i){r.push(63);break}if(61===i){r.push(64),n+=1;break}throw new RangeError("base64.decode: invalid character buf["+s+"]: "+i)}if(r.length%4>0)throw new RangeError("base64.decode: 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73:n+=e+t+r+"\r\n"+i,s=1;break;default:n+=e+t+r+i,s+=4}}function r(e){return e>=65&&e<=90||(e>=97&&e<=122||(e>=48&&e<=57||(43===e||(47===e||61===e))))}if(e.length%4>0)throw new RangeError("base64.toString: input buffer length not multiple of 4: "+e.length);for(var n="",s=0,i=0;i<e.length;i+=4){for(var a=i;a<i+4;a+=1)if(!r(e[a]))throw new RangeError("base64.toString: buf["+a+"]: "+e[a]+" : not valid base64 character code");t(String.fromCharCode(e[i]),String.fromCharCode(e[i+1]),String.fromCharCode(e[i+2]),String.fromCharCode(e[i+3]))}return n}}}).call(t,r(4).Buffer)},function(e,t,r){"use strict;";var n=r(0),s=n.utils,i=n.style,a=16,o=10,l=8,c=32,h=function(e,t){if(""===e)return'<span class="'+i.CLASS_EMPTY+'">𝜺</span>';if(void 0===e)return'<span class="'+i.CLASS_REMAINDER+'">undefined</span>';var r=i.CLASS_REMAINDER;"string"==typeof t&&("match"===t.toLowerCase()?r=i.CLASS_MATCH:"nomatch"===t.toLowerCase()&&(r=i.CLASS_NOMATCH));var s=n.utils.stringToChars(e),a='<span 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