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support exponentiation operator (#4593)

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This commit is contained in:
Alex Lam S.L
2021-01-24 21:48:51 +00:00
committed by GitHub
parent a08d42555a
commit 9d23ba0a22
6 changed files with 94 additions and 12 deletions
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58
test/compress/exponentiation.js Normal file
View File

@@ -0,0 +1,58 @@
precedence_1: {
input: {
console.log(-4 ** 3 ** 2);
}
expect_exact: "console.log((-4)**3**2);"
expect_stdout: "-262144"
node_version: ">=8"
}
precedence_2: {
input: {
console.log(-4 ** (3 ** 2));
}
expect_exact: "console.log((-4)**3**2);"
expect_stdout: "-262144"
node_version: ">=8"
}
precedence_3: {
input: {
console.log(-(4 ** 3) ** 2);
}
expect_exact: "console.log((-(4**3))**2);"
expect_stdout: "4096"
node_version: ">=8"
}
precedence_4: {
input: {
console.log((-4 ** 3) ** 2);
}
expect_exact: "console.log(((-4)**3)**2);"
expect_stdout: "4096"
node_version: ">=8"
}
await: {
input: {
(async a => a * await a ** ++a % a)(2).then(console.log);
}
expect_exact: "(async a=>a*(await a)**++a%a)(2).then(console.log);"
expect_stdout: "1"
node_version: ">=8"
}
evaluate: {
options = {
evaluate: true,
}
input: {
console.log(1 + 2 ** 3 - 4);
}
expect: {
console.log(5);
}
expect_stdout: "5"
node_version: ">=8"
}

20
test/ufuzz/index.js
View File

@@ -140,6 +140,7 @@ var SUPPORT = function(matrix) {
const_block: "var a; { const a = 0; }",
default_value: "[ a = 0 ] = [];",
destructuring: "[] = [];",
exponentiation: "0 ** 0",
let: "let a;",
rest: "var [...a] = [];",
rest_object: "var {...a} = {};",
@@ -168,7 +169,7 @@ var VALUES = [
"4",
"5",
"22",
"-0", // 0/-0 !== 0
"(-0)", // 0/-0 !== 0
"23..toString()",
"24 .toString()",
"25. ",
@@ -190,7 +191,7 @@ var VALUES = [
"this",
];
if (SUPPORT.bigint) VALUES = VALUES.concat([
"!0o644n",
"(!0o644n)",
"([3n][0] > 2)",
"(-42n).toString()",
"Number(0XDEADn << 16n | 0xbeefn)",
@@ -224,6 +225,7 @@ var BINARY_OPS = [
BINARY_OPS = BINARY_OPS.concat(BINARY_OPS);
BINARY_OPS = BINARY_OPS.concat(BINARY_OPS);
BINARY_OPS = BINARY_OPS.concat(BINARY_OPS);
if (SUPPORT.exponentiation) BINARY_OPS.push("**");
BINARY_OPS = BINARY_OPS.concat(BINARY_OPS);
BINARY_OPS = BINARY_OPS.concat(BINARY_OPS);
BINARY_OPS.push(" in ");
@@ -439,17 +441,19 @@ function createAssignmentPairs(recurmax, stmtDepth, canThrow, nameLenBefore, was
return pairs;
function mapShuffled(values, fn) {
var ordered = [];
var shuffled = [];
var declare_only = [];
var side_effects = [];
values.forEach(function(value, index) {
value = fn(value, index);
if (/]:/.test(value) ? canThrow && rng(10) == 0 : rng(5)) {
shuffled.splice(rng(shuffled.length + 1), 0, value);
if (/]:|=/.test(value) ? canThrow && rng(10) == 0 : rng(5)) {
declare_only.splice(rng(declare_only.length + 1), 0, value);
} else if (canThrow && rng(5) == 0) {
side_effects.splice(rng(side_effects.length + 1), 0, value);
} else {
ordered.push(value);
side_effects.push(value);
}
});
return shuffled.concat(ordered);
return declare_only.concat(side_effects);
}
function convertToRest(names) {