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enhance if_return & inline (#5538)

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This commit is contained in:
Alex Lam S.L
2022-07-06 04:40:07 +01:00
committed by GitHub
parent aa2a9fbedb
commit 0207b46d70
6 changed files with 536 additions and 30 deletions
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299
test/compress/if_return.js
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@@ -1017,3 +1017,302 @@ issue_5523: {
}
expect_stdout: "undefined"
}
drop_catch: {
options = {
if_return: true,
}
input: {
function f() {
try {
throw 42;
} catch (e) {
return console.log("foo"), "bar";
} finally {
console.log("baz");
}
return "bar";
}
console.log(f());
}
expect: {
function f() {
try {
throw 42;
} catch (e) {
console.log("foo");
} finally {
console.log("baz");
}
return "bar";
}
console.log(f());
}
expect_stdout: [
"foo",
"baz",
"bar",
]
}
retain_catch: {
options = {
if_return: true,
}
input: {
function f() {
try {
throw 42;
} catch (e) {
return console.log("foo");
} finally {
console.log("bar");
}
return console.log("foo");
}
f();
}
expect: {
function f() {
try {
throw 42;
} catch (e) {
return console.log("foo");
} finally {
console.log("bar");
}
return console.log("foo");
}
f();
}
expect_stdout: [
"foo",
"bar",
]
}
retain_finally: {
options = {
if_return: true,
}
input: {
function f() {
try {
return console.log("foo"), FAIL;
} catch (e) {
return console.log("bar"), "FAIL";
} finally {
return console.log("baz"), console.log("moo");
}
return console.log("moo");
}
console.log(f());
}
expect: {
function f() {
try {
return console.log("foo"), FAIL;
} catch (e) {
return console.log("bar"), "FAIL";
} finally {
return console.log("baz"), console.log("moo");
}
return console.log("moo");
}
console.log(f());
}
expect_stdout: [
"foo",
"bar",
"baz",
"moo",
"undefined",
]
}
drop_try: {
options = {
if_return: true,
}
input: {
function f() {
try {
return console.log("foo"), "bar";
} finally {
console.log("baz");
}
return "bar";
}
console.log(f());
}
expect: {
function f() {
try {
console.log("foo");
} finally {
console.log("baz");
}
return "bar";
}
console.log(f());
}
expect_stdout: [
"foo",
"baz",
"bar",
]
}
retain_try: {
options = {
if_return: true,
}
input: {
function f() {
try {
return console.log("foo");
} finally {
console.log("bar");
}
return console.log("foo");
}
f();
}
expect: {
function f() {
try {
return console.log("foo");
} finally {
console.log("bar");
}
return console.log("foo");
}
f();
}
expect_stdout: [
"foo",
"bar",
]
}
drop_try_catch: {
options = {
if_return: true,
}
input: {
function f(a) {
try {
if (a())
return console.log("foo"), console.log("baz");
} catch (e) {
return console.log("bar"), console.log("baz");
}
return console.log("baz");
}
f(function() {
return 42;
});
f(function() {});
f();
}
expect: {
function f(a) {
try {
if (a())
console.log("foo");
} catch (e) {
console.log("bar");
}
return console.log("baz");
}
f(function() {
return 42;
});
f(function() {});
f();
}
expect_stdout: [
"foo",
"baz",
"baz",
"bar",
"baz",
]
}
empty_try: {
options = {
if_return: true,
reduce_vars: true,
unused: true,
}
input: {
console.log(function() {
return f;
function f() {
try {} finally {}
return "PASS";
}
}()());
}
expect: {
console.log(function() {
return function() {
try {} finally {}
return "PASS";
};
}()());
}
expect_stdout: "PASS"
}
sequence_void_1: {
options = {
if_return: true,
}
input: {
function f() {
{
if (console)
return console, void console.log("PASS");
return;
}
}
f();
}
expect: {
function f() {
if (console)
return console, void console.log("PASS");
}
f();
}
expect_stdout: "PASS"
}
sequence_void_2: {
options = {
if_return: true,
}
input: {
function f() {
{
if (console)
return console, void console.log("PASS");
return;
}
FAIL;
}
f();
}
expect: {
function f() {
if (console)
console, void console.log("PASS");
return;
FAIL;
}
f();
}
expect_stdout: "PASS"
}