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support asynchronous arrow functions (#4530)

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This commit is contained in:
Alex Lam S.L
2021-01-10 03:34:26 +00:00
committed by GitHub
parent 0818d396c5
commit ba54d074d8
10 changed files with 159 additions and 56 deletions
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7
test/ufuzz/index.js
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@@ -1053,7 +1053,7 @@ function _createExpression(recurmax, noComma, stmtDepth, canThrow) {
var s = [];
switch (rng(5)) {
case 0:
if (SUPPORT.arrow && !async && !name && rng(2)) {
if (SUPPORT.arrow && !name && rng(2)) {
var args, suffix;
(rng(2) ? createBlockVariables : function() {
arguments[3]();
@@ -1067,16 +1067,17 @@ function _createExpression(recurmax, noComma, stmtDepth, canThrow) {
} else {
params = createParams(save_async, NO_DUPLICATE);
}
params = (async ? "async (" : "(") + params + ") => ";
if (defns) {
s.push(
"((" + params + ") => {",
"(" + params + "{",
strictMode(),
defns(),
_createStatements(rng(5) + 1, recurmax, canThrow, CANNOT_BREAK, CANNOT_CONTINUE, CAN_RETURN, stmtDepth)
);
suffix = "})";
} else {
s.push("((" + params + ") => ");
s.push("(" + params);
switch (rng(10)) {
case 0:
s.push('(typeof arguments != "undefined" && arguments && arguments[' + rng(3) + "])");