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chore(docs): refactor traceur usage

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Peter Bacon Darwin
2014-12-06 11:25:17 +00:00
parent 94b541a3e8
commit b4772fc79b
8 changed files with 75 additions and 33 deletions
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35
docs/dgeni-package/services/atParser.js
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@ -1,10 +1,8 @@
var traceur = require('traceur/src/node/traceur.js');
var ParseTreeVisitor = System.get(System.map.traceur + '/src/syntax/ParseTreeVisitor').ParseTreeVisitor;
var file2modulename = require('../../../tools/build/file2modulename');
/**
* Wrapper around traceur that can parse the contents of a file
*/
module.exports = function atParser(log) {
module.exports = function atParser(AttachCommentTreeVisitor, SourceFile, TraceurParser, traceurOptions, log) {
var service = {
/**
@ -33,16 +31,16 @@ module.exports = function atParser(log) {
function parseModule(fileInfo) {
var moduleName = file2modulename(fileInfo.relativePath);
var sourceFile = new traceur.syntax.SourceFile(moduleName, fileInfo.content);
var parser = new traceur.syntax.Parser(sourceFile);
var sourceFile = new SourceFile(moduleName, fileInfo.content);
var comments = [];
var moduleTree;
var parser = new TraceurParser(sourceFile);
// Configure the parser
parser.handleComment = function(range) {
comments.push({ range: range });
};
traceur.options.setFromObject(service.traceurOptions);
traceurOptions.setFromObject(service.traceurOptions);
try {
// Parse the file as a module, attaching the comments
@ -69,29 +67,8 @@ module.exports = function atParser(log) {
// attach the comments to their nearest code tree
function attachComments(tree, comments) {
var visitor = new ParseTreeVisitor();
var index = 0;
var currentComment = comments[index];
if (currentComment) log.silly('comment: ' + currentComment.range.start.line + ' - ' + currentComment.range.end.line);
// Really we ought to subclass ParseTreeVisitor but this is fiddly in ES5 so
// it is easier to simply override the prototype's method on the instance
visitor.visitAny = function(tree) {
if (tree && tree.location && tree.location.start && currentComment) {
if (currentComment.range.end.offset < tree.location.start.offset) {
log.silly('tree: ' + tree.constructor.name + ' - ' + tree.location.start.line);
tree.commentBefore = currentComment;
currentComment.treeAfter = tree;
index++;
currentComment = comments[index];
if (currentComment) log.silly('comment: ' + currentComment.range.start.line + ' - ' + currentComment.range.end.line);
}
}
return ParseTreeVisitor.prototype.visitAny.call(this, tree);
};
var visitor = new AttachCommentTreeVisitor();
// Visit every node of the tree using our custom method
visitor.visit(tree);
visitor.visit(tree, comments);
}
};