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fix rename (#2501)

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- suppress spurious `rename` from `commander`
- handle `AST_SymbolCatch` correctly
This commit is contained in:
Alex Lam S.L
2017-11-24 03:05:43 +08:00
committed by GitHub
parent f4e2fb9864
commit 30cfea2e7a
4 changed files with 547 additions and 3 deletions
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9
lib/scope.js
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@@ -456,6 +456,7 @@ AST_Toplevel.DEFMETHOD("find_unique_prefix", function(options) {
this.globals.each(add_def);
this.walk(new TreeWalker(function(node) {
if (node instanceof AST_Scope) node.variables.each(add_def);
if (node instanceof AST_SymbolCatch) add_def(node.definition());
}));
var prefix, i = 0;
do {
@@ -492,17 +493,19 @@ AST_Toplevel.DEFMETHOD("expand_names", function(options) {
this.globals.each(rename);
this.walk(new TreeWalker(function(node) {
if (node instanceof AST_Scope) node.variables.each(rename);
if (node instanceof AST_SymbolCatch) rename(node.definition());
}));
function rename(def) {
if (def.global || def.unmangleable(options)) return;
if (member(def.name, options.reserved)) return;
var name = prefix + def.id;
var d = def.redefined();
def.name = d ? d.name : prefix + def.id;
def.orig.forEach(function(sym) {
sym.name = name;
sym.name = def.name;
});
def.references.forEach(function(sym) {
sym.name = name;
sym.name = def.name;
});
}
});