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Preserve original execution order in :: operator.

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Ingvar Stepanyan
2015-05-14 12:39:05 +03:00
parent 1a299b2bcc
commit fd8e94a90f
5 changed files with 60 additions and 24 deletions
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39
src/babel/transformation/transformers/es7/function-bind.js
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@@ -7,28 +7,35 @@ export var metadata = {
stage: 0
};
function inferBindContext(bindExpr, scope) {
// nothing to infer
if (bindExpr.object) return bindExpr.object;
function getTempId(scope) {
var id = scope.path.getData("functionBind");
if (!id) {
id = scope.generateTemp("context");
scope.path.setData("functionBind", id);
if (id) return id;
id = scope.generateTemp("context");
return scope.path.setData("functionBind", id);
}
function inferBindContext(bind, scope) {
var tempId = getTempId(scope);
if (!bind.object) {
bind.callee.object = t.assignmentExpression("=", tempId, bind.callee.object);
} else {
bind.callee = t.sequenceExpression([
t.assignmentExpression("=", tempId, bind.object),
bind.callee
]);
}
bindExpr.callee.object = t.assignmentExpression("=", id, bindExpr.callee.object);
return id;
return tempId;
}
export function CallExpression(node, parent, scope, file) {
var bindExpr = node.callee;
if (!t.isBindExpression(bindExpr)) return;
var bindCtx = inferBindContext(bindExpr, scope);
node.callee = t.memberExpression(bindExpr.callee, t.identifier("call"));
node.arguments.unshift(bindCtx);
var bind = node.callee;
if (!t.isBindExpression(bind)) return;
var context = inferBindContext(bind, scope);
node.callee = t.memberExpression(bind.callee, t.identifier("call"));
node.arguments.unshift(context);
}
export function BindExpression(node, parent, scope, file) {
var bindCtx = inferBindContext(node, scope);
return t.callExpression(t.memberExpression(node.callee, t.identifier("bind")), [bindCtx]);
var context = inferBindContext(node, scope);
return t.callExpression(t.memberExpression(node.callee, t.identifier("bind")), [context]);
}