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enhance varify (#4279)

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This commit is contained in:
Alex Lam S.L
2020-11-17 04:35:00 +00:00
committed by GitHub
parent e5f80afc53
commit 6dbacb5e3f
3 changed files with 156 additions and 17 deletions
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119
test/compress/varify.js
View File

@@ -234,3 +234,122 @@ issue_4191_let: {
expect_stdout: "function undefined"
node_version: ">=4"
}
forin_const_1: {
options = {
join_vars: true,
reduce_vars: true,
toplevel: true,
varify: true,
}
input: {
const o = {
foo: 42,
bar: "PASS",
};
for (const k in o)
console.log(k, o[k]);
}
expect: {
var o = {
foo: 42,
bar: "PASS",
};
for (const k in o)
console.log(k, o[k]);
}
expect_stdout: true
node_version: ">=4"
}
forin_const_2: {
options = {
join_vars: true,
reduce_vars: true,
toplevel: true,
varify: true,
}
input: {
const o = {
p: 42,
q: "PASS",
};
for (const [ k ] in o)
console.log(k, o[k]);
}
expect: {
var o = {
p: 42,
q: "PASS",
}, k;
for ([ k ] in o)
console.log(k, o[k]);
}
expect_stdout: [
"p 42",
"q PASS",
]
node_version: ">=6"
}
forin_let_1: {
options = {
join_vars: true,
reduce_vars: true,
toplevel: true,
varify: true,
}
input: {
"use strict";
let o = {
foo: 42,
bar: "PASS",
};
for (let k in o)
console.log(k, o[k]);
}
expect: {
"use strict";
var o = {
foo: 42,
bar: "PASS",
}, k;
for (k in o)
console.log(k, o[k]);
}
expect_stdout: [
"foo 42",
"bar PASS",
]
node_version: ">=4"
}
forin_let_2: {
options = {
join_vars: true,
reduce_vars: true,
toplevel: true,
varify: true,
}
input: {
let o = {
p: 42,
q: "PASS",
};
for (let [ k ] in o)
console.log(k, o[k]);
}
expect: {
var o = {
p: 42,
q: "PASS",
}, k;
for ([ k ] in o)
console.log(k, o[k]);
}
expect_stdout: [
"p 42",
"q PASS",
]
node_version: ">=6"
}

2
test/ufuzz/index.js
View File

@@ -708,7 +708,7 @@ function createStatement(recurmax, canThrow, canBreak, canContinue, cannotReturn
"{var expr" + loop + " = " + createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) + "; ",
label.target + " for (",
!/^key/.test(key) ? rng(10) ? "" : "var " : rng(10) ? "var " : rng(2) ? "let " : "const ",
rng(20) ? key : "{ length: " + key + " }",
rng(10) ? key : rng(5) ? "[ " + key + " ]" : "{ length: " + key + " }",
" in expr" + loop + ") {",
rng(5) > 1 ? "c = 1 + c; var " + createVarName(MANDATORY) + " = expr" + loop + "[" + key + "]; " : "",
createStatement(recurmax, canThrow, canBreak, canContinue, cannotReturn, stmtDepth),