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s/appliedRules/visitedRules/

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The rules are not really *applied* by the |reportLeftRecursion| pass,
they are just *visited*.
This commit is contained in:
David Majda 2015-04-01 10:08:45 +02:00
parent 25ed2b7ee2
commit 03a391e874
1 changed files with 7 additions and 7 deletions
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14
lib/compiler/passes/report-left-recursion.js
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@ -59,28 +59,28 @@ function reportLeftRecursion(ast) {
});
var check = visitor.build({
rule: function(node, appliedRules) {
check(node.expression, appliedRules.concat(node.name));
rule: function(node, visitedRules) {
check(node.expression, visitedRules.concat(node.name));
},
sequence: function(node, appliedRules) {
sequence: function(node, visitedRules) {
arrays.every(node.elements, function(element) {
if (element.type === "rule_ref") {
check(element, appliedRules);
check(element, visitedRules);
}
return matchesEmpty(element);
});
},
rule_ref: function(node, appliedRules) {
if (arrays.contains(appliedRules, node.name)) {
rule_ref: function(node, visitedRules) {
if (arrays.contains(visitedRules, node.name)) {
throw new GrammarError(
"Left recursion detected for rule \"" + node.name + "\"."
);
}
check(asts.findRule(ast, node.name), appliedRules);
check(asts.findRule(ast, node.name), visitedRules);
}
});