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Expose try for exception handling #2110

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Merged
MaxGraey merged 4 commits into from
Nov 1, 2021
Merged

Expose try for exception handling #2110

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0707844
expose try for exception handling
MaxGraey Nov 1, 2021
9aa9fff
explicit checks with nulls
MaxGraey Nov 1, 2021
a12028e
refactor
MaxGraey Nov 1, 2021
ea48c52
Update src/module.ts
MaxGraey Nov 1, 2021
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40 changes: 23 additions & 17 deletions src/module.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1613,23 +1613,29 @@ export class Module {

// exception handling

// try(
// body: ExpressionRef,
// catchTags: string[],
// catchBodies: ExpressionRef[]
// ): ExpressionRef {
// var numCatchTags = catchTags.length;
// var strs = new Array<TagRef>(numCatchTags);
// for (let i = 0; i < numCatchTags; ++i) {
// strs[i] = this.allocStringCached(catchTags[i]);
// }
// var cArr1 = allocPtrArray(strs);
// var cArr2 = allocPtrArray(catchBodies);
// var ret = binaryen._BinaryenTry(this.ref, body, cArr1, numCatchTags, cArr2, catchBodies.length);
// binaryen._free(cArr2);
// binaryen._free(cArr1);
// return ret;
// }
try(
name: string | null,
body: ExpressionRef,
catchTags: string[],
catchBodies: ExpressionRef[],
delegateTarget: string | null = null
): ExpressionRef {
var numCatchTags = catchTags.length;
var strs = new Array<TagRef>(numCatchTags);
for (let i = 0; i < numCatchTags; ++i) {
strs[i] = this.allocStringCached(catchTags[i]);
}
var cArr1 = allocPtrArray(strs);
var cArr2 = allocPtrArray(catchBodies);
var cStr1 = this.allocStringCached(name);
var cStr2 = this.allocStringCached(delegateTarget);
var ret = binaryen._BinaryenTry(
this.ref, cStr1, body, cArr1, numCatchTags, cArr2, catchBodies.length, cStr2
);
binaryen._free(cArr2);
binaryen._free(cArr1);
return ret;
}

throw(
tagName: string,
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