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[C API] Add experimental StringNew and StringEq variants (#5471)
Adds APIs for string.from_code_point, string.new_utf8_try, string.new_utf8_array_try (#5459) and string.compare (#5453).
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‎CHANGELOG.md

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@@ -32,6 +32,12 @@ Current Trunk
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and JS APIs and `RefIs` has been replaced with `RefIsNull`.
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- Types `Data` and `Dataref` have been replaced with types `Struct` and
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`Structref` in the C and JS APIs.
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* `BinaryenStringNew` now takes an additional last argument, `try_`, indicating
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whether the instruction is one of `string.new_utf8_try` respectively
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`string.new_utf8_array_try`.
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* `BinaryenStringEq` now takes an additional second argument, `op`, that is
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either `BinaryenStringEqEqual()` if the instruction is `string.eq` or
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`BinaryenStringEqCompare()` if the instruction is `string.compare`.
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v111
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----

‎src/binaryen-c.cpp

Lines changed: 29 additions & 5 deletions
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@@ -1023,6 +1023,9 @@ BinaryenOp BinaryenStringNewUTF8Array(void) { return StringNewUTF8Array; }
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BinaryenOp BinaryenStringNewWTF8Array(void) { return StringNewWTF8Array; }
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BinaryenOp BinaryenStringNewReplaceArray(void) { return StringNewReplaceArray; }
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BinaryenOp BinaryenStringNewWTF16Array(void) { return StringNewWTF16Array; }
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BinaryenOp BinaryenStringNewFromCodePoint(void) {
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return StringNewFromCodePoint;
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}
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BinaryenOp BinaryenStringMeasureUTF8(void) { return StringMeasureUTF8; }
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BinaryenOp BinaryenStringMeasureWTF8(void) { return StringMeasureWTF8; }
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BinaryenOp BinaryenStringMeasureWTF16(void) { return StringMeasureWTF16; }
@@ -1045,6 +1048,8 @@ BinaryenOp BinaryenStringIterMoveAdvance(void) { return StringIterMoveAdvance; }
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BinaryenOp BinaryenStringIterMoveRewind(void) { return StringIterMoveRewind; }
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BinaryenOp BinaryenStringSliceWTF8(void) { return StringSliceWTF8; }
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BinaryenOp BinaryenStringSliceWTF16(void) { return StringSliceWTF16; }
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BinaryenOp BinaryenStringEqEqual(void) { return StringEqEqual; }
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BinaryenOp BinaryenStringEqCompare(void) { return StringEqCompare; }
10481053

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BinaryenExpressionRef BinaryenBlock(BinaryenModuleRef module,
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const char* name,
@@ -1835,10 +1840,8 @@ BinaryenExpressionRef BinaryenStringNew(BinaryenModuleRef module,
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BinaryenExpressionRef ptr,
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BinaryenExpressionRef length,
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BinaryenExpressionRef start,
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BinaryenExpressionRef end) {
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// TODO: add API support for this
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bool try_ = false;
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BinaryenExpressionRef end,
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bool try_) {
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Builder builder(*(Module*)module);
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return static_cast<Expression*>(
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length ? builder.makeStringNew(
@@ -1880,11 +1883,12 @@ BinaryenExpressionRef BinaryenStringConcat(BinaryenModuleRef module,
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.makeStringConcat((Expression*)left, (Expression*)right));
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}
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BinaryenExpressionRef BinaryenStringEq(BinaryenModuleRef module,
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BinaryenOp op,
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BinaryenExpressionRef left,
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BinaryenExpressionRef right) {
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return static_cast<Expression*>(
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Builder(*(Module*)module)
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.makeStringEq(StringEqEqual, (Expression*)left, (Expression*)right));
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.makeStringEq(StringEqOp(op), (Expression*)left, (Expression*)right));
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}
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BinaryenExpressionRef BinaryenStringAs(BinaryenModuleRef module,
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BinaryenOp op,
@@ -4506,6 +4510,16 @@ void BinaryenStringNewSetEnd(BinaryenExpressionRef expr,
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// may be null (GC only)
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static_cast<StringNew*>(expression)->end = (Expression*)endExpr;
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}
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void BinaryenStringNewSetTry(BinaryenExpressionRef expr, bool try_) {
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auto* expression = (Expression*)expr;
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assert(expression->is<StringNew>());
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static_cast<StringNew*>(expression)->try_ = try_;
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}
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bool BinaryenStringNewIsTry(BinaryenExpressionRef expr) {
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auto* expression = (Expression*)expr;
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assert(expression->is<StringNew>());
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return static_cast<StringNew*>(expression)->try_;
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}
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// StringConst
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const char* BinaryenStringConstGetString(BinaryenExpressionRef expr) {
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auto* expression = (Expression*)expr;
@@ -4615,6 +4629,16 @@ void BinaryenStringConcatSetRight(BinaryenExpressionRef expr,
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static_cast<StringConcat*>(expression)->right = (Expression*)rightExpr;
46164630
}
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// StringEq
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BinaryenOp BinaryenStringEqGetOp(BinaryenExpressionRef expr) {
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auto* expression = (Expression*)expr;
4634+
assert(expression->is<StringEq>());
4635+
return static_cast<StringEq*>(expression)->op;
4636+
}
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void BinaryenStringEqSetOp(BinaryenExpressionRef expr, BinaryenOp op) {
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auto* expression = (Expression*)expr;
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assert(expression->is<StringEq>());
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static_cast<StringEq*>(expression)->op = StringEqOp(op);
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}
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BinaryenExpressionRef BinaryenStringEqGetLeft(BinaryenExpressionRef expr) {
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auto* expression = (Expression*)expr;
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assert(expression->is<StringEq>());

‎src/binaryen-c.h

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@@ -685,6 +685,7 @@ BINARYEN_API BinaryenOp BinaryenStringNewUTF8Array(void);
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BINARYEN_API BinaryenOp BinaryenStringNewWTF8Array(void);
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BINARYEN_API BinaryenOp BinaryenStringNewReplaceArray(void);
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BINARYEN_API BinaryenOp BinaryenStringNewWTF16Array(void);
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BINARYEN_API BinaryenOp BinaryenStringNewFromCodePoint(void);
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BINARYEN_API BinaryenOp BinaryenStringMeasureUTF8(void);
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BINARYEN_API BinaryenOp BinaryenStringMeasureWTF8(void);
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BINARYEN_API BinaryenOp BinaryenStringMeasureWTF16(void);
@@ -703,6 +704,8 @@ BINARYEN_API BinaryenOp BinaryenStringIterMoveAdvance(void);
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BINARYEN_API BinaryenOp BinaryenStringIterMoveRewind(void);
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BINARYEN_API BinaryenOp BinaryenStringSliceWTF8(void);
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BINARYEN_API BinaryenOp BinaryenStringSliceWTF16(void);
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BINARYEN_API BinaryenOp BinaryenStringEqEqual(void);
708+
BINARYEN_API BinaryenOp BinaryenStringEqCompare(void);
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BINARYEN_REF(Expression);
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@@ -1087,7 +1090,8 @@ BinaryenStringNew(BinaryenModuleRef module,
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BinaryenExpressionRef ptr,
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BinaryenExpressionRef length,
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BinaryenExpressionRef start,
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BinaryenExpressionRef end);
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BinaryenExpressionRef end,
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bool try_);
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BINARYEN_API BinaryenExpressionRef BinaryenStringConst(BinaryenModuleRef module,
10921096
const char* name);
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BINARYEN_API BinaryenExpressionRef BinaryenStringMeasure(
@@ -1104,6 +1108,7 @@ BinaryenStringConcat(BinaryenModuleRef module,
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BinaryenExpressionRef right);
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BINARYEN_API BinaryenExpressionRef
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BinaryenStringEq(BinaryenModuleRef module,
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BinaryenOp op,
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BinaryenExpressionRef left,
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BinaryenExpressionRef right);
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BINARYEN_API BinaryenExpressionRef BinaryenStringAs(BinaryenModuleRef module,
@@ -2529,6 +2534,9 @@ BINARYEN_API BinaryenExpressionRef
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BinaryenStringNewGetEnd(BinaryenExpressionRef expr);
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BINARYEN_API void BinaryenStringNewSetEnd(BinaryenExpressionRef expr,
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BinaryenExpressionRef endExpr);
2537+
BINARYEN_API void BinaryenStringNewSetTry(BinaryenExpressionRef expr,
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bool try_);
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BINARYEN_API bool BinaryenStringNewIsTry(BinaryenExpressionRef expr);
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// StringConst
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@@ -2578,6 +2586,9 @@ BINARYEN_API void BinaryenStringConcatSetRight(BinaryenExpressionRef expr,
25782586

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// StringEq
25802588

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BINARYEN_API BinaryenOp BinaryenStringEqGetOp(BinaryenExpressionRef expr);
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BINARYEN_API void BinaryenStringEqSetOp(BinaryenExpressionRef expr,
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BinaryenOp op);
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BINARYEN_API BinaryenExpressionRef
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BinaryenStringEqGetLeft(BinaryenExpressionRef expr);
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BINARYEN_API void BinaryenStringEqSetLeft(BinaryenExpressionRef expr,

‎src/js/binaryen.js-post.js

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@@ -564,6 +564,7 @@ function initializeConstants() {
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'StringNewWTF8Array',
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'StringNewReplaceArray',
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'StringNewWTF16Array',
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'StringNewFromCodePoint',
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'StringMeasureUTF8',
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'StringMeasureWTF8',
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'StringMeasureWTF16',
@@ -581,7 +582,9 @@ function initializeConstants() {
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'StringIterMoveAdvance',
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'StringIterMoveRewind',
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'StringSliceWTF8',
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'StringSliceWTF16'
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'StringSliceWTF16',
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'StringEqEqual',
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'StringEqCompare'
585588
].forEach(name => {
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Module['Operations'][name] = Module[name] = Module['_Binaryen' + name]();
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});

‎test/example/c-api-kitchen-sink.c

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@@ -1137,49 +1137,78 @@ void test_core() {
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makeInt32(module, 0),
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makeInt32(module, 0),
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0,
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0),
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0,
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false),
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BinaryenStringNew(module,
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BinaryenStringNewUTF8(),
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makeInt32(module, 0),
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makeInt32(module, 0),
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0,
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0,
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true),
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BinaryenStringNew(module,
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BinaryenStringNewWTF8(),
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makeInt32(module, 0),
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makeInt32(module, 0),
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0,
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0),
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0,
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false),
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BinaryenStringNew(module,
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BinaryenStringNewReplace(),
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makeInt32(module, 0),
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makeInt32(module, 0),
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0,
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0),
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0,
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false),
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BinaryenStringNew(module,
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BinaryenStringNewWTF16(),
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makeInt32(module, 0),
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makeInt32(module, 0),
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0,
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0),
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0,
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false),
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BinaryenStringNew(module,
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BinaryenStringNewUTF8Array(),
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BinaryenGlobalGet(module, "i8Array-global", i8Array),
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0,
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makeInt32(module, 0),
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makeInt32(module, 0)),
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makeInt32(module, 0),
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false),
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BinaryenStringNew(module,
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BinaryenStringNewUTF8Array(),
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BinaryenGlobalGet(module, "i8Array-global", i8Array),
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0,
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makeInt32(module, 0),
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makeInt32(module, 0),
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true),
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BinaryenStringNew(module,
11661185
BinaryenStringNewWTF8Array(),
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BinaryenGlobalGet(module, "i8Array-global", i8Array),
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0,
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makeInt32(module, 0),
1170-
makeInt32(module, 0)),
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makeInt32(module, 0),
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false),
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BinaryenStringNew(module,
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BinaryenStringNewReplaceArray(),
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BinaryenGlobalGet(module, "i8Array-global", i8Array),
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0,
11751195
makeInt32(module, 0),
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makeInt32(module, 0)),
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makeInt32(module, 0),
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false),
11771198
BinaryenStringNew(module,
11781199
BinaryenStringNewWTF16Array(),
11791200
BinaryenGlobalGet(module, "i16Array-global", i8Array),
11801201
0,
11811202
makeInt32(module, 0),
1182-
makeInt32(module, 0)),
1203+
makeInt32(module, 0),
1204+
false),
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BinaryenStringNew(module,
1206+
BinaryenStringNewFromCodePoint(),
1207+
makeInt32(module, 1),
1208+
0,
1209+
0,
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0,
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false),
11831212
BinaryenStringConst(module, "hello world"),
11841213
BinaryenStringMeasure(
11851214
module,
@@ -1246,6 +1275,12 @@ void test_core() {
12461275
BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref())),
12471276
BinaryenStringEq(
12481277
module,
1278+
BinaryenStringEqEqual(),
1279+
BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref()),
1280+
BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref())),
1281+
BinaryenStringEq(
1282+
module,
1283+
BinaryenStringEqCompare(),
12491284
BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref()),
12501285
BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref())),
12511286
BinaryenStringAs(

‎test/example/c-api-kitchen-sink.txt

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@@ -2208,6 +2208,12 @@ BinaryenFeatureAll: 126975
22082208
(i32.const 0)
22092209
)
22102210
)
2211+
(drop
2212+
(string.new_utf8_try
2213+
(i32.const 0)
2214+
(i32.const 0)
2215+
)
2216+
)
22112217
(drop
22122218
(string.new_wtf8 wtf8
22132219
(i32.const 0)
@@ -2233,6 +2239,13 @@ BinaryenFeatureAll: 126975
22332239
(i32.const 0)
22342240
)
22352241
)
2242+
(drop
2243+
(string.new_utf8_array_try
2244+
(global.get $i8Array-global)
2245+
(i32.const 0)
2246+
(i32.const 0)
2247+
)
2248+
)
22362249
(drop
22372250
(string.new_wtf8_array wtf8
22382251
(global.get $i8Array-global)
@@ -2254,6 +2267,11 @@ BinaryenFeatureAll: 126975
22542267
(i32.const 0)
22552268
)
22562269
)
2270+
(drop
2271+
(string.from_code_point
2272+
(i32.const 1)
2273+
)
2274+
)
22572275
(drop
22582276
(string.const "hello world")
22592277
)
@@ -2335,6 +2353,12 @@ BinaryenFeatureAll: 126975
23352353
(global.get $string-global)
23362354
)
23372355
)
2356+
(drop
2357+
(string.compare
2358+
(global.get $string-global)
2359+
(global.get $string-global)
2360+
)
2361+
)
23382362
(drop
23392363
(string.as_wtf8
23402364
(global.get $string-global)

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