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support const (#4190)

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This commit is contained in:
Alex Lam S.L
2020-10-11 18:18:57 +01:00
committed by GitHub
parent ffcce28ce1
commit 55451e7b78
15 changed files with 1265 additions and 302 deletions
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6
test/compress/asm.js
View File

@@ -76,9 +76,8 @@ asm_mixed: {
start = start | 0;
end = end | 0;
var sum = 0.0, p = 0, q = 0;
for (p = start << 3, q = end << 3; (p | 0) < (q | 0); p = p + 8 | 0) {
for (p = start << 3, q = end << 3; (p | 0) < (q | 0); p = p + 8 | 0)
sum = sum + +log(values[p >> 3]);
}
return +sum;
}
function geometricMean(start, end) {
@@ -91,7 +90,8 @@ asm_mixed: {
function no_asm_GeometricMean(stdlib, foreign, buffer) {
function logSum(start, end) {
start |= 0, end |= 0;
for (var sum = 0, p = 0, q = 0, p = start << 3, q = end << 3; (0 | p) < (0 | q); p = p + 8 | 0) sum += +log(values[p >> 3]);
for (var sum = 0, p = 0, q = 0, p = start << 3, q = end << 3; (0 | p) < (0 | q); p = p + 8 | 0)
sum += +log(values[p >> 3]);
return +sum;
}
function geometricMean(start, end) {

9
test/compress/collapse_vars.js
View File

@@ -346,9 +346,8 @@ collapse_vars_if: {
return "x" != "Bar" + x / 4 ? g9 : g5;
}
function f3(x) {
if (x) {
if (x)
return 1;
}
return 2;
}
}
@@ -4192,9 +4191,8 @@ issue_2436_11: {
if (isCollection(arg1)) {
var size = arg1, max = arg2, min = 0, res = _randomDataForMatrix(size.valueOf(), min, max, _randomInt);
return size && true === size.isMatrix ? matrix(res) : res;
} else {
} else
return _randomInt(min = arg1, max = arg2);
}
}
}
}
@@ -4310,9 +4308,8 @@ issue_2497: {
function sample() {
if (true)
for (var i = 0; i < 1; ++i)
for (var k = 0; k < 1; ++k) {
for (var k = 0; k < 1; ++k)
value = (value = 1) ? value + 1 : 0;
}
else
for (i = 0; i < 1; ++i)
for (k = 0; k < 1; ++k)

29
test/compress/conditionals.js
View File

@@ -55,14 +55,15 @@ ifs_3_should_warn: {
}
input: {
var x, y;
if (x && !(x + "1") && y) { // 1
// 1
if (x && !(x + "1") && y) {
var qq;
foo();
} else {
bar();
}
if (x || !!(x + "1") || y) { // 2
// 2
if (x || !!(x + "1") || y) {
foo();
} else {
var jj;
@@ -71,9 +72,27 @@ ifs_3_should_warn: {
}
expect: {
var x, y;
var qq; bar(); // 1
var jj; foo(); // 2
// 1
var qq; bar();
// 2
foo(); var jj;
}
expect_warnings: [
"WARN: + in boolean context always true [test/compress/conditionals.js:3,18]",
"WARN: Boolean && always false [test/compress/conditionals.js:3,12]",
"WARN: Condition left of && always false [test/compress/conditionals.js:3,12]",
"WARN: Condition always false [test/compress/conditionals.js:3,12]",
"WARN: Dropping unreachable code [test/compress/conditionals.js:3,34]",
"WARN: Declarations in unreachable code! [test/compress/conditionals.js:4,12]",
"WARN: + in boolean context always true [test/compress/conditionals.js:10,19]",
"WARN: Boolean || always true [test/compress/conditionals.js:10,12]",
"WARN: Condition left of || always true [test/compress/conditionals.js:10,12]",
"WARN: Condition always true [test/compress/conditionals.js:10,12]",
"WARN: Dropping unreachable code [test/compress/conditionals.js:12,15]",
"WARN: Declarations in unreachable code! [test/compress/conditionals.js:13,12]",
"WARN: Dropping side-effect-free statement [test/compress/conditionals.js:3,12]",
"WARN: Dropping side-effect-free statement [test/compress/conditionals.js:10,12]",
]
}
ifs_4: {

667
test/compress/const.js Normal file
View File

@@ -0,0 +1,667 @@
mangle_catch_1: {
mangle = {}
input: {
try {
throw "eeeee";
} catch (c) {
const e = typeof d;
}
console.log(typeof a, typeof b);
}
expect: {
try {
throw "eeeee";
} catch (e) {
const o = typeof d;
}
console.log(typeof a, typeof b);
}
expect_stdout: "undefined undefined"
}
mangle_catch_2: {
mangle = {}
input: {
console.log(function f() {
try {} catch (e) {
const f = 0;
}
}());
}
expect: {
console.log(function o() {
try {} catch (c) {
const o = 0;
}
}());
}
expect_stdout: "undefined"
}
retain_block: {
options = {}
input: {
{
const a = "FAIL";
}
var a = "PASS";
console.log(a);
}
expect: {
{
const a = "FAIL";
}
var a = "PASS";
console.log(a);
}
expect_stdout: true
}
if_dead_branch: {
options = {
conditionals: true,
dead_code: true,
evaluate: true,
}
input: {
console.log(function() {
if (0) {
const a = 0;
}
return typeof a;
}());
}
expect: {
console.log(function() {
0;
{
const a = void 0;
}
return typeof a;
}());
}
expect_stdout: "undefined"
}
merge_vars_1: {
options = {
merge_vars: true,
toplevel: true,
}
input: {
const a = console;
console.log(typeof a);
var b = typeof a;
console.log(b);
}
expect: {
const a = console;
console.log(typeof a);
var b = typeof a;
console.log(b);
}
expect_stdout: [
"object",
"object",
]
}
merge_vars_2: {
options = {
inline: true,
merge_vars: true,
toplevel: true,
}
input: {
var a = 0;
(function() {
var b = function f() {
const c = a && f;
c.var += 0;
}();
console.log(b);
})(1 && --a);
}
expect: {
var a = 0;
1 && --a,
b = function f() {
const c = a && f;
c.var += 0;
}(),
void console.log(b);
var b;
}
expect_stdout: "undefined"
}
merge_vars_3: {
options = {
merge_vars: true,
toplevel: true,
}
input: {
{
const a = 0;
var b = console;
console.log(typeof b);
}
var a = 1;
console.log(typeof a);
}
expect: {
{
const a = 0;
var b = console;
console.log(typeof b);
}
var a = 1;
console.log(typeof a);
}
expect_stdout: true
}
reduce_merge_vars: {
options = {
merge_vars: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
const a = console;
console.log(typeof a);
var b = typeof a;
console.log(b);
}
expect: {
var b = console;
console.log(typeof b);
b = typeof b;
console.log(b);
}
expect_stdout: [
"object",
"object",
]
}
use_before_init_1: {
options = {
reduce_vars: true,
toplevel: true,
}
input: {
a = "foo";
const a = "bar";
}
expect: {
a = "foo";
const a = "bar";
}
expect_stdout: true
}
use_before_init_2: {
options = {
toplevel: true,
unused: true,
}
input: {
try {
a = "foo";
} catch (e) {
console.log("PASS");
}
const a = "bar";
}
expect: {
try {
a = "foo";
} catch (e) {
console.log("PASS");
}
const a = "bar";
}
expect_stdout: true
}
use_before_init_3: {
options = {
side_effects: true,
}
input: {
try {
a;
} catch (e) {
console.log("PASS");
}
const a = 42;
}
expect: {
try {
a;
} catch (e) {
console.log("PASS");
}
const a = 42;
}
expect_stdout: true
}
use_before_init_4: {
options = {
reduce_vars: true,
}
input: {
try {
console.log(a);
} catch (e) {
console.log("PASS");
}
const a = "FAIL";
}
expect: {
try {
console.log(a);
} catch (e) {
console.log("PASS");
}
const a = "FAIL";
}
expect_stdout: true
}
collapse_block: {
options = {
collapse_vars: true,
pure_getters: "strict",
unsafe: true,
}
input: {
{
const a = typeof console;
console.log(a);
}
}
expect: {
{
const a = typeof console;
console.log(a);
}
}
expect_stdout: "object"
}
reduce_block_1: {
options = {
reduce_vars: true,
}
input: {
{
const a = typeof console;
console.log(a);
}
}
expect: {
{
const a = typeof console;
console.log(a);
}
}
expect_stdout: "object"
}
reduce_block_1_toplevel: {
options = {
reduce_vars: true,
toplevel: true,
}
input: {
{
const a = typeof console;
console.log(a);
}
}
expect: {
var a = typeof console;
console.log(a);
}
expect_stdout: "object"
}
reduce_block_2: {
options = {
reduce_vars: true,
}
input: {
{
const a = typeof console;
console.log(a);
}
console.log(typeof a);
}
expect: {
{
const a = typeof console;
console.log(a);
}
console.log(typeof a);
}
expect_stdout: true
}
reduce_block_2_toplevel: {
options = {
reduce_vars: true,
toplevel: true,
}
input: {
{
const a = typeof console;
console.log(a);
}
console.log(typeof a);
}
expect: {
{
const a = typeof console;
console.log(a);
}
console.log(typeof a);
}
expect_stdout: true
}
hoist_props_1: {
options = {
hoist_props: true,
reduce_vars: true,
}
input: {
{
const o = {
p: "PASS",
};
console.log(o.p);
}
}
expect: {
{
const o = {
p: "PASS",
};
console.log(o.p);
}
}
expect_stdout: "PASS"
}
hoist_props_2: {
options = {
hoist_props: true,
passes: 2,
reduce_vars: true,
toplevel: true,
}
input: {
{
const o = {
p: "PASS",
};
console.log(o.p);
}
}
expect: {
var o_p = "PASS";
console.log(o_p);
}
expect_stdout: "PASS"
}
loop_block_1: {
options = {
loops: true,
}
input: {
do {
const o = console;
console.log(typeof o.log);
} while (!console);
}
expect: {
do {
const o = console;
console.log(typeof o.log);
} while (!console);
}
expect_stdout: "function"
}
loop_block_2: {
options = {
loops: true,
}
input: {
do {
const o = {};
(function() {
console.log(typeof this, o.p++);
})();
} while (!console);
}
expect: {
do {
const o = {};
(function() {
console.log(typeof this, o.p++);
})();
} while (!console);
}
expect_stdout: "object NaN"
}
do_continue: {
options = {
loops: true,
}
input: {
try {
do {
{
const a = 0;
continue;
}
} while ([ A ]);
} catch (e) {
console.log("PASS");
}
}
expect: {
try {
do {
const a = 0;
continue;
} while ([ A ]);
} catch (e) {
console.log("PASS");
}
}
expect_stdout: "PASS"
}
catch_ie8_1: {
options = {
ie8: true,
unused: true,
}
input: {
try {} catch (a) {}
console.log(function a() {
const a = 0;
}());
}
expect: {
try {} catch (a) {}
console.log(function a() {
}());
}
expect_stdout: "undefined"
}
catch_ie8_2: {
options = {
dead_code: true,
ie8: true,
toplevel: true,
unused: true,
}
input: {
try {} catch (a) {
const b = 0;
}
try {} catch (b) {}
console.log(function() {
return this;
}().b);
}
expect: {
console.log(function() {
return this;
}().b);
}
expect_stdout: "undefined"
}
dead_block_after_return: {
options = {
dead_code: true,
}
input: {
(function(a) {
console.log(a);
return;
{
const a = 0;
}
})();
}
expect: {
(function(a) {
console.log(a);
return;
{
const a = void 0;
}
})();
}
expect_stdout: true
}
const_to_var_scope_adjustment: {
options = {
conditionals: true,
inline: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
for (var k in [ 42 ])
console.log(function f() {
if (k) {
const a = 0;
}
}());
}
expect: {
for (var k in [ 42 ])
console.log(void (k && 0));
}
expect_stdout: "undefined"
}
do_if_continue_1: {
options = {
if_return: true,
}
input: {
do {
if (console) {
console.log("PASS");
{
const a = 0;
var b;
continue;
}
}
} while (b);
}
expect: {
do {
if (!console);
else {
console.log("PASS");
{
const a = 0;
var b;
}
}
} while (b);
}
expect_stdout: "PASS"
}
do_if_continue_2: {
options = {
if_return: true,
}
input: {
do {
if (console) {
console.log("PASS");
{
const a = 0;
A = 0;
continue;
}
}
} while (A);
}
expect: {
do {
if (!console);
else {
console.log("PASS");
{
const a = 0;
A = 0;
}
}
} while (A);
}
expect_stdout: "PASS"
}
drop_unused: {
options = {
evaluate: true,
side_effects: true,
unused: true,
}
input: {
function f(a) {
const b = a, c = b;
0 && c.p++;
}
console.log(f());
}
expect: {
function f(a) {
const b = a;
b;
}
console.log(f());
}
expect_stdout: "undefined"
}

19
test/compress/dead-code.js
View File

@@ -59,6 +59,11 @@ dead_code_2_should_warn: {
f();
}
expect_stdout: true
expect_warnings: [
"WARN: Dropping unreachable code [test/compress/dead-code.js:8,12]",
"WARN: Declarations in unreachable code! [test/compress/dead-code.js:10,16]",
"WARN: Dropping unreachable code [test/compress/dead-code.js:10,16]",
]
node_version: "<=4"
}
@@ -89,11 +94,23 @@ dead_code_constant_boolean_should_warn_more: {
function bar() {}
// nothing for the while
// as for the for, it should keep:
var moo;
var x = 10, y;
var moo;
bar();
}
expect_stdout: true
expect_warnings: [
"WARN: + in boolean context always true [test/compress/dead-code.js:1,33]",
"WARN: Boolean || always true [test/compress/dead-code.js:1,16]",
"WARN: Dropping unreachable code [test/compress/dead-code.js:1,45]",
"WARN: Declarations in unreachable code! [test/compress/dead-code.js:3,12]",
"WARN: Boolean expression always true [test/compress/dead-code.js:6,47]",
"WARN: Boolean && always false [test/compress/dead-code.js:6,28]",
"WARN: Dropping unreachable code [test/compress/dead-code.js:6,63]",
"WARN: Declarations in unreachable code! [test/compress/dead-code.js:9,12]",
"WARN: Dropping side-effect-free statement [test/compress/dead-code.js:1,15]",
"WARN: Dropping side-effect-free statement [test/compress/dead-code.js:6,28]",
]
node_version: "<=4"
}

8
test/compress/issue-1034.js
View File

@@ -90,13 +90,13 @@ non_hoisted_function_after_return_2a: {
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:7,16]",
"WARN: Dropping unused variable a [test/compress/issue-1034.js:4,20]",
"WARN: Dropping unused function nope [test/compress/issue-1034.js:11,21]",
"INFO: pass 0: last_count: Infinity, count: 36",
"INFO: pass 0: last_count: Infinity, count: 35",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:9,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:9,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:12,12]",
"INFO: Dropping unused variable b [test/compress/issue-1034.js:7,20]",
"INFO: Dropping unused variable c [test/compress/issue-1034.js:9,16]",
"INFO: pass 1: last_count: 36, count: 18",
"INFO: pass 1: last_count: 35, count: 18",
]
}
@@ -248,13 +248,13 @@ non_hoisted_function_after_return_2a_strict: {
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:8,16]",
"WARN: Dropping unused variable a [test/compress/issue-1034.js:5,20]",
"WARN: Dropping unused function nope [test/compress/issue-1034.js:12,21]",
"INFO: pass 0: last_count: Infinity, count: 47",
"INFO: pass 0: last_count: Infinity, count: 46",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:10,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:10,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:13,12]",
"INFO: Dropping unused variable b [test/compress/issue-1034.js:8,20]",
"INFO: Dropping unused variable c [test/compress/issue-1034.js:10,16]",
"INFO: pass 1: last_count: 47, count: 29",
"INFO: pass 1: last_count: 46, count: 29",
]
}

27
test/compress/loops.js
View File

@@ -547,8 +547,8 @@ dead_code_condition: {
console.log(a);
}
expect: {
var c;
var a = 0, b = 5;
var c;
a += 1, 0,
console.log(a);
}
@@ -1197,3 +1197,28 @@ issue_4182_2: {
}
expect_stdout: "PASS"
}
do_continue: {
options = {
loops: true,
}
input: {
try {
do {
continue;
} while ([ A ]);
} catch (e) {
console.log("PASS");
}
}
expect: {
try {
do {
continue;
} while ([ A ]);
} catch (e) {
console.log("PASS");
}
}
expect_stdout: "PASS"
}

3
test/compress/pure_getters.js
View File

@@ -848,9 +848,8 @@ collapse_vars_1_true: {
}
expect: {
function f(a, b) {
for (;;) {
for (;;)
if (a.g() || b.p) break;
}
}
}
}