The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/generic/frame-verify.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,95 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +/**
     1.9 + * graph-frameclasses.js: a dehydra script to collect information about
    1.10 + * the class hierarchy of frame types.
    1.11 + */
    1.12 +
    1.13 +function inheritsFrom(t, baseName)
    1.14 +{
    1.15 +  let name = t.name;
    1.16 +  if (name == baseName)
    1.17 +    return true;
    1.18 +  
    1.19 +  for each (let base in t.bases)
    1.20 +    if (inheritsFrom(base.type, baseName))
    1.21 +      return true;
    1.22 +    
    1.23 +  return false;
    1.24 +}  
    1.25 +
    1.26 +let output = [];
    1.27 +
    1.28 +function process_type(t)
    1.29 +{
    1.30 +  if ((t.kind == "class" || t.kind == "struct")) {
    1.31 +    if (!t.isIncomplete && inheritsFrom(t, 'nsIFrame')) {
    1.32 +      if (inheritsFrom(t, 'nsISupports'))
    1.33 +        warning("nsIFrame derivative %s inherits from nsISupports but is not refcounted.".format(t.name), t.loc);
    1.34 +      
    1.35 +      let nonFrameBases = [];
    1.36 +      
    1.37 +      output.push('CLASS-DEF: %s'.format(t.name));
    1.38 +
    1.39 +      for each (let base in t.bases) {
    1.40 +        if (inheritsFrom(base.type, 'nsIFrame')) {
    1.41 +          output.push('%s -> %s;'.format(base.type.name, t.name));
    1.42 +        }
    1.43 +        else if (base.type.name != 'nsQueryFrame') {
    1.44 +          nonFrameBases.push(base.type.name);
    1.45 +        }
    1.46 +      }
    1.47 +      
    1.48 +      output.push('%s [label="%s%s"];'.format(t.name, t.name,
    1.49 +                                              ["\\n(%s)".format(b) for each (b in nonFrameBases)].join('')));
    1.50 +    }
    1.51 +  }
    1.52 +}
    1.53 +
    1.54 +let frameIIDRE = /::kFrameIID$/;
    1.55 +let queryFrameRE = /^do_QueryFrame::operator/;
    1.56 +
    1.57 +/* A list of class names T that have do_QueryFrame<T> used */
    1.58 +let needIDs = [];
    1.59 +
    1.60 +/* A map of class names that have a kFrameIID declared */
    1.61 +let haveIDs = {};
    1.62 +
    1.63 +// We match up needIDs with haveIDs at the end because static variables are
    1.64 +// not present in the .members array of a type
    1.65 +
    1.66 +function process_tree_decl(d)
    1.67 +{
    1.68 +  d = dehydra_convert(d);
    1.69 +  
    1.70 +  if (d.name && frameIIDRE.exec(d.name)) {
    1.71 +    haveIDs[d.memberOf.name] = 1;
    1.72 +  }
    1.73 +}
    1.74 +
    1.75 +function process_cp_pre_genericize(d)
    1.76 +{
    1.77 +  d = dehydra_convert(d);
    1.78 +  if (queryFrameRE.exec(d.name) && d.template === undefined) {
    1.79 +    let templtype = d.type.type.type;
    1.80 +    while (templtype.typedef !== undefined)
    1.81 +      templtype = templtype.typedef;
    1.82 +      
    1.83 +    needIDs.push([templtype.name, d.loc]);
    1.84 +  }
    1.85 +}
    1.86 +
    1.87 +function input_end()
    1.88 +{
    1.89 +  for each (let [name, loc] in needIDs) {
    1.90 +    if (!haveIDs.hasOwnProperty(name)) {
    1.91 +      error("nsQueryFrame<%s> found, but %s::kFrameIID is not declared".format(name, name), loc);
    1.92 +    }
    1.93 +  }
    1.94 +
    1.95 +  if (output.length > 0) {
    1.96 +    write_file(sys.aux_base_name + '.framedata', output.join('\n'));
    1.97 +  }
    1.98 +}