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stack now relfects self correctly

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This commit is contained in:
alexlamsl 2017-03-12 17:07:45 +08:00
parent 7d8bcc06a1
commit bca9b4ea5b
1 changed files with 5 additions and 5 deletions
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10
lib/compress.js
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@ -1688,7 +1688,7 @@ merge(Compressor.prototype, {
OPT(AST_LabeledStatement, function(self, compressor){ OPT(AST_LabeledStatement, function(self, compressor){
if (self.body instanceof AST_Break if (self.body instanceof AST_Break
&& compressor.loopcontrol_target(self.body.label) === compressor.self().body) { && compressor.loopcontrol_target(self.body.label) === self.body) {
return make_node(AST_EmptyStatement, self); return make_node(AST_EmptyStatement, self);
} }
return self.label.references.length == 0 ? self.body : self; return self.label.references.length == 0 ? self.body : self;
@ -2298,7 +2298,7 @@ merge(Compressor.prototype, {
var first = self.body instanceof AST_BlockStatement ? self.body.body[0] : self.body; var first = self.body instanceof AST_BlockStatement ? self.body.body[0] : self.body;
if (first instanceof AST_If) { if (first instanceof AST_If) {
if (first.body instanceof AST_Break if (first.body instanceof AST_Break
&& compressor.loopcontrol_target(first.body.label) === compressor.self()) { && compressor.loopcontrol_target(first.body.label) === self) {
if (self.condition) { if (self.condition) {
self.condition = make_node(AST_Binary, self.condition, { self.condition = make_node(AST_Binary, self.condition, {
left: self.condition, left: self.condition,
@ -2311,7 +2311,7 @@ merge(Compressor.prototype, {
drop_it(first.alternative); drop_it(first.alternative);
} }
else if (first.alternative instanceof AST_Break else if (first.alternative instanceof AST_Break
&& compressor.loopcontrol_target(first.alternative.label) === compressor.self()) { && compressor.loopcontrol_target(first.alternative.label) === self) {
if (self.condition) { if (self.condition) {
self.condition = make_node(AST_Binary, self.condition, { self.condition = make_node(AST_Binary, self.condition, {
left: self.condition, left: self.condition,
@ -2501,7 +2501,7 @@ merge(Compressor.prototype, {
var last_branch = self.body[self.body.length - 1]; var last_branch = self.body[self.body.length - 1];
if (last_branch) { if (last_branch) {
var stat = last_branch.body[last_branch.body.length - 1]; // last statement var stat = last_branch.body[last_branch.body.length - 1]; // last statement
if (stat instanceof AST_Break && loop_body(compressor.loopcontrol_target(stat.label)) === compressor.self()) if (stat instanceof AST_Break && loop_body(compressor.loopcontrol_target(stat.label)) === self)
last_branch.body.pop(); last_branch.body.pop();
if (last_branch instanceof AST_Default && last_branch.body.length == 0) { if (last_branch instanceof AST_Default && last_branch.body.length == 0) {
self.body.pop(); self.body.pop();
@ -2549,7 +2549,7 @@ merge(Compressor.prototype, {
in_block = save; in_block = save;
return node; return node;
} }
else if (node instanceof AST_Break && this.loopcontrol_target(node.label) === compressor.self()) { else if (node instanceof AST_Break && this.loopcontrol_target(node.label) === self) {
if (in_if) { if (in_if) {
ruined = true; ruined = true;
return node; return node;