scratchfoundation/paper.js
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Clean up code and comments.

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This commit is contained in:
Jürg Lehni 2014-01-03 18:31:07 +01:00
parent 57f1763abe
commit de939ab939
1 changed files with 7 additions and 8 deletions
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15
src/core/PaperScript.js
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@ -109,13 +109,12 @@ var PaperScript = Base.exports.PaperScript = (function(root) {
*/
function compile(code) {
// Use Acorn or Esprima to translate the code into an AST structure
// which is then walked and parsed for operators to overload.
// Instead of modifying the AST and converting back to code, we directly
// change the source code based on the parser's range information, so we
// can preserve line-numbers in syntax errors and remove the need for
// Escodegen.
// which is then walked and parsed for operators to overload. Instead of
// modifying the AST and translating it back to code, we directly change
// the source code based on the parser's range information, to preserve
// line-numbers in syntax errors and remove the need for Escodegen.
// Tracks code insertions so we can add their differences to the
// Track code insertions so their differences can be added to the
// original offsets.
var insertions = [];
@ -143,8 +142,8 @@ var PaperScript = Base.exports.PaperScript = (function(root) {
// information up-to-date.
function replaceCode(node, str) {
var start = getOffset(node.range[0]),
end = getOffset(node.range[1]);
var insert = 0;
end = getOffset(node.range[1]),
insert = 0;
// Sort insertions by their offset, so getOffest() can do its thing
for (var i = insertions.length - 1; i >= 0; i--) {
if (start > insertions[i][0]) {