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more es6.tailCall transformer cleanup

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This commit is contained in:
Sebastian McKenzie 2015-05-13 01:13:08 +01:00
parent faade72787
commit dc101adad3
1 changed files with 6 additions and 7 deletions
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13
src/babel/transformation/transformers/es6/tail-call.js
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@ -1,4 +1,3 @@
import blockScopedFunctions from "../spec/block-scoped-functions";
import reduceRight from "lodash/collection/reduceRight";
import * as messages from "../../../messages";
import flatten from "lodash/array/flatten";
@ -47,13 +46,13 @@ var visitor = {
ThisExpression(node, parent, scope, state) {
state.needsThis = true;
state.thises.push(this);
state.thisPaths.push(this);
},
ReferencedIdentifier(node, parent, scope, state) {
if (node.name === "arguments") {
state.needsArguments = true;
state.arguments.push(this);
state.argumentsPaths.push(this);
}
}
};
@ -63,11 +62,11 @@ class TailCallTransformer {
this.hasTailRecursion = false;
this.needsArguments = false;
this.argumentsPaths = [];
this.setsArguments = false;
this.arguments = [];
this.needsThis = false;
this.thises = [];
this.thisPaths = [];
this.ownerId = path.node.id;
this.vars = [];
@ -195,7 +194,7 @@ class TailCallTransformer {
var topVars = [];
if (this.needsThis) {
for (var path of (this.thises: Array)) {
for (var path of (this.thisPaths: Array)) {
path.replaceWith(this.getThisId());
}
@ -203,7 +202,7 @@ class TailCallTransformer {
}
if (this.needsArguments || this.setsArguments) {
for (var path of (this.arguments: Array)) {
for (var path of (this.argumentsPaths: Array)) {
path.replaceWith(this.argumentsId);
}