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[JS API] Expose BinaryenStringConst #8951

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Merged
tlively merged 1 commit into from
Jul 29, 2026
+17 −2
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[JS API] Expose BinaryenStringConst #8951

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9 changes: 9 additions & 0 deletions src/js/binaryen.js-post.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2612,6 +2612,15 @@ function wrapModule(module, self = {}) {
};

// TODO: string.*
self['string'] = {
/**
* Creates a new string from the literal string contents.
* This instruction is constant and can be used in global variable initializers.
*/
'const'(value) {
return preserveStack(() => Module['_BinaryenStringConst'](module, strToStack(value)));
}
};

// 'Module' operations
self['addFunction'] = function(name, params, results, varTypes, body) {
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7 changes: 5 additions & 2 deletions test/binaryen.js/gc.js
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Expand Up @@ -19,7 +19,7 @@ var arrayType = binaryen.getTypeFromHeapType(arrayHeapType, true);
var funcArrayType = binaryen.getTypeFromHeapType(funcArrayHeapType, true);

var module = new binaryen.Module();
module.setFeatures(binaryen.Features.ReferenceTypes | binaryen.Features.BulkMemory | binaryen.Features.GC);
module.setFeatures(binaryen.Features.ReferenceTypes | binaryen.Features.BulkMemory | binaryen.Features.GC | binaryen.Features.Strings);

module.addFunction("add", binaryen.createType([binaryen.i32, binaryen.i32]), binaryen.i32, [],
module.i32.add(
Expand Down Expand Up @@ -157,7 +157,10 @@ var valueList = [
module.i32.const(0),
module.i32.const(1),
module.i32.const(2)
)
),

// string
module.string.const("hello 🌎"),
];
module.addFunction("main", binaryen.none, binaryen.none, [],
module.block(
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3 changes: 3 additions & 0 deletions test/binaryen.js/gc.js.txt
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Expand Up @@ -111,6 +111,9 @@
(i32.const 1)
(i32.const 2)
)
(drop
(string.const "hello \f0\9f\8c\8e")
)
)
)

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