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fix AST_PropAccess in collapse_vars (take 3) (#2375)

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Suppress scanning beyond assignment to `a.b`
This commit is contained in:
Alex Lam S.L
2017-10-18 02:54:51 +08:00
committed by GitHub
parent c1346e06b7
commit 7e5b5cac97
2 changed files with 175 additions and 21 deletions
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168
test/compress/collapse_vars.js
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@@ -2783,3 +2783,171 @@ issue_2364_4: {
}
expect_stdout: "1 0"
}
issue_2364_5: {
options = {
collapse_vars: true,
evaluate: true,
pure_getters: true,
properties: true,
reduce_vars: true,
unused: true,
}
input: {
function f0(o, a, h) {
var b = 3 - a;
var obj = o;
var seven = 7;
var prop = 'run';
var t = obj[prop](b)[seven] = h;
return t;
}
}
expect: {
function f0(o, a, h) {
return o.run(3 - a)[7] = h;
}
}
}
issue_2364_6: {
options = {
collapse_vars: true,
pure_getters: true,
}
input: {
function f(a, b) {
var c = a.p;
b.p = "FAIL";
return c;
}
var o = {
p: "PASS"
}
console.log(f(o, o));
}
expect: {
function f(a, b) {
var c = a.p;
b.p = "FAIL";
return c;
}
var o = {
p: "PASS"
}
console.log(f(o, o));
}
expect_stdout: "PASS"
}
issue_2364_7: {
options = {
collapse_vars: true,
pure_getters: true,
}
input: {
function f(a, b) {
var c = a.p;
b.f();
return c;
}
var o = {
p: "PASS",
f: function() {
this.p = "FAIL";
}
}
console.log(f(o, o));
}
expect: {
function f(a, b) {
var c = a.p;
b.f();
return c;
}
var o = {
p: "PASS",
f: function() {
this.p = "FAIL";
}
}
console.log(f(o, o));
}
expect_stdout: "PASS"
}
issue_2364_8: {
options = {
collapse_vars: true,
pure_getters: true,
}
input: {
function f(a, b, c) {
var d = a[b.f = function() {
return "PASS";
}];
return c.f(d);
}
var o = {
f: function() {
return "FAIL";
}
};
console.log(f({}, o, o));
}
expect: {
function f(a, b, c) {
var d = a[b.f = function() {
return "PASS";
}];
return c.f(d);
}
var o = {
f: function() {
return "FAIL";
}
};
console.log(f({}, o, o));
}
expect_stdout: "PASS"
}
issue_2364_9: {
options = {
collapse_vars: true,
pure_getters: true,
}
input: {
function f(a, b) {
var d = a();
return b.f(d);
}
var o = {
f: function() {
return "FAIL";
}
};
console.log(f(function() {
o.f = function() {
return "PASS";
};
}, o));
}
expect: {
function f(a, b) {
var d = a();
return b.f(d);
}
var o = {
f: function() {
return "FAIL";
}
};
console.log(f(function() {
o.f = function() {
return "PASS";
};
}, o));
}
expect_stdout: "PASS"
}