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Loose: Added support for let and const.

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Fixes #146.
This commit is contained in:
Ingvar Stepanyan 2014-10-26 23:44:19 +02:00 committed by Marijn Haverbeke
parent 4879af22d1
commit 963a26e46f
1 changed files with 12 additions and 12 deletions
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24
acorn_loose.js
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@ -335,10 +335,8 @@
pushCx();
expect(tt.parenL);
if (token.type === tt.semi) return parseFor(node, null);
if (token.type === tt._var) {
var init = startNode();
next();
parseVar(init, true);
if (token.type === tt._var || token.type === tt._let) {
var init = parseVar(true);
if (init.declarations.length === 1 && eat(tt._in))
return parseForIn(node, init);
return parseFor(node, init);
@ -421,9 +419,9 @@
return finishNode(node, "TryStatement");
case tt._var:
next();
node = parseVar(node);
return node;
case tt._let:
case tt._const:
return parseVar();
case tt._while:
next();
@ -495,9 +493,11 @@
return finishNode(node, "ForInStatement");
}
function parseVar(node, noIn) {
function parseVar(noIn) {
var node = startNode();
node.kind = token.type.keyword;
next();
node.declarations = [];
node.kind = "var";
do {
var decl = startNode();
decl.id = options.ecmaVersion >= 6 ? toAssignable(parseExprAtom()) : parseIdent();
@ -803,7 +803,7 @@
node.type = "ObjectPattern";
var props = node.properties;
for (var i = 0; i < props.length; i++) {
toAssignable(props[i].value);
props[i].value = toAssignable(props[i].value);
}
break;
@ -811,12 +811,12 @@
node.type = "ArrayPattern";
var elms = node.elements;
for (var i = 0; i < elms.length; i++) {
toAssignable(elms[i]);
elms[i] = toAssignable(elms[i]);
}
break;
case "SpreadElement":
toAssignable(node.argument);
node.argument = toAssignable(node.argument);
break;
}
}