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enhance unsafe evaluate of arrays & objects (#2394)

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This commit is contained in:
Alex Lam S.L
2017-10-24 02:58:30 +08:00
committed by GitHub
parent 8a713e449f
commit 86ea38a259
2 changed files with 323 additions and 14 deletions
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290
test/compress/reduce_vars.js
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@@ -211,7 +211,91 @@ unsafe_evaluate: {
}
}
unsafe_evaluate_object: {
unsafe_evaluate_side_effect_free: {
options = {
evaluate: true,
reduce_vars: true,
unsafe: true,
unused: true,
}
input: {
console.log(function(){ var o={p:1}; console.log(o.p); return o.p; }());
console.log(function(){ var o={p:2}; console.log(o.p); return o; }());
}
expect: {
console.log(function(){ console.log(1); return 1; }());
console.log(function(){ var o={p:2}; console.log(2); return o; }());
}
expect_stdout: true
}
unsafe_evaluate_escaped: {
options = {
evaluate: true,
reduce_vars: true,
unsafe: true,
unused: true,
}
input: {
console.log(function(){ var o={p:1}; console.log(o, o.p); return o.p; }());
console.log(function(){ var o={p:2}; console.log(o.p, o); return o.p; }());
}
expect: {
console.log(function(){ var o={p:1}; console.log(o, o.p); return o.p; }());
console.log(function(){ var o={p:2}; console.log(o.p, o); return o.p; }());
}
expect_stdout: true
}
unsafe_evaluate_modified: {
options = {
evaluate: true,
reduce_vars: true,
unsafe: true,
unused: true,
}
input: {
console.log(function(){ var o={p:1}; o.p++; console.log(o.p); return o.p; }());
console.log(function(){ var o={p:2}; --o.p; console.log(o.p); return o.p; }());
console.log(function(){ var o={p:3}; o.p += ""; console.log(o.p); return o.p; }());
console.log(function(){ var o={p:4}; o = {}; console.log(o.p); return o.p; }());
console.log(function(){ var o={p:5}; o.p = -9; console.log(o.p); return o.p; }());
function inc() { this.p++; }
console.log(function(){ var o={p:6}; inc.call(o); console.log(o.p); return o.p; }());
}
expect: {
console.log(function(){ var o={p:1}; o.p++; console.log(o.p); return o.p; }());
console.log(function(){ var o={p:2}; --o.p; console.log(o.p); return o.p; }());
console.log(function(){ var o={p:3}; o.p += ""; console.log(o.p); return o.p; }());
console.log(function(){ var o={p:4}; o = {}; console.log(o.p); return o.p; }());
console.log(function(){ var o={p:5}; o.p = -9; console.log(o.p); return o.p; }());
function inc() { this.p++; }
console.log(function(){ var o={p:6}; inc.call(o); console.log(o.p); return o.p; }());
}
expect_stdout: true
}
unsafe_evaluate_unknown: {
options = {
evaluate: true,
reduce_vars: true,
unsafe: true,
unused: true,
}
input: {
console.log(function(){ var o={p:1}; console.log(o.not_present); return o.p; }());
console.log(function(){ var o={p:2}; console.log(o.prototype); return o.p; }());
console.log(function(){ var o={p:3}; console.log(o.hasOwnProperty); return o.p; }());
}
expect: {
console.log(function(){ var o={p:1}; console.log(o.not_present); return o.p; }());
console.log(function(){ var o={p:2}; console.log(o.prototype); return o.p; }());
console.log(function(){ var o={p:3}; console.log(o.hasOwnProperty); return o.p; }());
}
expect_stdout: true
}
unsafe_evaluate_object_1: {
options = {
evaluate : true,
reduce_vars : true,
@@ -251,7 +335,83 @@ unsafe_evaluate_object: {
}
}
unsafe_evaluate_array: {
unsafe_evaluate_object_2: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
}
input: {
var obj = {
foo: 1,
bar: 2,
square: function(x) {
return x * x;
},
cube: function(x) {
return x * x * x;
},
};
console.log(obj.foo, obj.bar, obj.square(2), obj.cube);
}
expect: {
var obj = {
foo: 1,
bar: 2,
square: function(x) {
return x * x;
},
cube: function(x) {
return x * x * x;
},
};
console.log(1, 2, obj.square(2), obj.cube);
}
expect_stdout: true
}
unsafe_evaluate_object_3: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
}
input: {
var obj = {
get foo() {
return 1;
},
bar: 2,
square: function(x) {
return x * x;
},
cube: function(x) {
return x * x * x;
},
};
console.log(obj.foo, obj.bar, obj.square(2), obj.cube);
}
expect: {
var obj = {
get foo() {
return 1;
},
bar: 2,
square: function(x) {
return x * x;
},
cube: function(x) {
return x * x * x;
},
};
console.log(obj.foo, obj.bar, obj.square(2), obj.cube);
}
expect_stdout: true
}
unsafe_evaluate_array_1: {
options = {
evaluate : true,
reduce_vars : true,
@@ -299,6 +459,132 @@ unsafe_evaluate_array: {
}
}
unsafe_evaluate_array_2: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
}
input: {
var arr = [
1,
2,
function(x) {
return x * x;
},
function(x) {
return x * x * x;
},
];
console.log(arr[0], arr[1], arr[2](2), arr[3]);
}
expect: {
var arr = [
1,
2,
function(x) {
return x * x;
},
function(x) {
return x * x * x;
},
];
console.log(1, 2, arr[2](2), arr[3]);
}
expect_stdout: true
}
unsafe_evaluate_array_3: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
}
input: {
var arr = [
1,
2,
function() {
return ++arr[0];
},
];
console.log(arr[0], arr[1], arr[2](), arr[0]);
}
expect: {
var arr = [
1,
2,
function() {
return ++arr[0];
},
];
console.log(arr[0], arr[1], arr[2](), arr[0]);
}
expect_stdout: "1 2 2 2"
}
unsafe_evaluate_array_4: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
}
input: {
var arr = [
1,
2,
function() {
return ++this[0];
},
];
console.log(arr[0], arr[1], arr[2], arr[0]);
}
expect: {
var arr = [
1,
2,
function() {
return ++this[0];
},
];
console.log(1, 2, arr[2], 1);
}
expect_stdout: true
}
unsafe_evaluate_array_5: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
}
input: {
var arr = [
1,
2,
function() {
return ++this[0];
},
];
console.log(arr[0], arr[1], arr[2](), arr[0]);
}
expect: {
var arr = [
1,
2,
function() {
return ++this[0];
},
];
console.log(arr[0], arr[1], arr[2](), arr[0]);
}
expect_stdout: "1 2 2 2"
}
unsafe_evaluate_equality_1: {
options = {
evaluate : true,