tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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codegen-test-common.js (1378B)

      1 // Set to true to emit ' +' instead of the unreadable '\s+'.
      2 var SPACEDEBUG = false;
      3 
      4 // Any hex string
      5 var HEX = '[0-9a-fA-F]'
      6 var HEXES = `${HEX}+`;
      7 
      8 function wrap(options, funcs) {
      9    if ('memory' in options)
     10        return `(module (memory ${options.memory}) ${funcs})`;
     11    return `(module ${funcs})`;
     12 }
     13 
     14 function fixlines(s) {
     15    return s.split(/\n+/)
     16        .map(strip)
     17        .filter(x => x.length > 0)
     18        .map(spaces)
     19        .join('\n');
     20 }
     21 
     22 function stripencoding(s, insEncoding) {
     23    var encoding = RegExp(`^(?:0x)?${HEX}+\\s+${insEncoding}\\s+(.*)$`);
     24    return s.split('\n')
     25        .map(x => x.match(encoding)?.[1] ?? x)
     26        .join('\n');
     27 }
     28 
     29 function strip(s) {
     30    var start = 0, end = s.length;
     31    while (start < s.length && isspace(s.charAt(start)))
     32        start++;
     33    while (end > start && isspace(s.charAt(end - 1)))
     34        end--;
     35    return s.substring(start, end);
     36 }
     37 
     38 function striplines(s) {
     39    return s.split('\n').map(strip).join('\n');
     40 }
     41 
     42 function spaces(s) {
     43    let t = '';
     44    let i = 0;
     45    while (i < s.length) {
     46        if (isspace(s.charAt(i))) {
     47            t += SPACEDEBUG ? ' +' : '\\s+';
     48            i++;
     49            while (i < s.length && isspace(s.charAt(i)))
     50                i++;
     51        } else {
     52            t += s.charAt(i++);
     53        }
     54    }
     55    return t;
     56 }
     57 
     58 function isspace(c) {
     59    return c == ' ' || c == '\t';
     60 }