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Make the 'catchUp' call implicit to source location updates.

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This commit is contained in:
Logan Smyth
2016-07-02 15:31:30 -07:00
parent 3680d10b6f
commit d6b1e36d49
4 changed files with 14 additions and 17 deletions
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14
packages/babel-generator/src/buffer.js
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@@ -37,14 +37,10 @@ export default class Buffer {
buf: string;
last: string;
/**
* Description
*/
catchUp(node: Object) {
_catchUp(){
// catch up to this nodes newline if we're behind
if (node.loc && this.format.retainLines && this.buf) {
while (this.getCurrentLine() < node.loc.start.line) {
if (this.format.retainLines && this._sourcePosition.line !== null) {
while (this.getCurrentLine() < this._sourcePosition.line) {
this.push("\n");
}
}
@@ -276,6 +272,8 @@ export default class Buffer {
this._sourcePosition.line = pos ? pos.line : null;
this._sourcePosition.column = pos ? pos.column : null;
this._sourcePosition.filename = loc && loc.filename || null;
this._catchUp();
}
/**
@@ -283,7 +281,7 @@ export default class Buffer {
*/
withSource(prop: string, loc: Location, cb: () => void) {
if (!this.opts.sourceMaps) return cb();
if (!this.opts.sourceMaps && !this.format.retainLines) return cb();
// Use the call stack to manage a stack of "source location" data.
let originalLine = this._sourcePosition.line;