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switch from anyref to eqref for GC code

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This commit is contained in:
Volker Berlin 2020-06-14 17:11:46 +02:00
parent 4cd43a4d65
commit 1d3db1135b
7 changed files with 12 additions and 10 deletions
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2
src/de/inetsoftware/jwebassembly/binary/BinaryModuleWriter.java
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@ -1394,7 +1394,7 @@ public class BinaryModuleWriter extends ModuleWriter implements InstructionOpcod
break;
case NULL:
opCode = REF_NULL;
type = options.useGC() ? ValueType.anyref : ValueType.externref;
type = options.useGC() ? ValueType.eqref : ValueType.externref;
break;
default:
throw new Error( "Unknown operator: " + op );

2
src/de/inetsoftware/jwebassembly/binary/StructTypeEntry.java
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@ -55,8 +55,8 @@ class StructTypeEntry extends TypeEntry {
void writeSectionEntryDetails( WasmOutputStream stream ) throws IOException {
stream.writeVaruint32( this.fields.size() );
for( NamedStorageType field : this.fields ) {
stream.writeVarint( 1 ); // 0 - immutable; 1 - mutable
stream.writeRefValueType( field.getType() );
stream.writeVarint( 1 ); // 0 - immutable; 1 - mutable
}
}

2
src/de/inetsoftware/jwebassembly/binary/WasmOutputStream.java
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@ -99,7 +99,7 @@ class WasmOutputStream extends LittleEndianOutputStream {
if( type.isRefType() ) {
if( options.useGC() ) {
//TODO writeValueType( ValueType.ref_type );
type = ValueType.anyref;
type = ValueType.eqref;
} else {
type = ValueType.externref;
}

2
src/de/inetsoftware/jwebassembly/module/TypeManager.java
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@ -783,7 +783,7 @@ public class TypeManager {
@Override
public boolean isSubTypeOf( AnyType type ) {
//TODO if type is StructType (class or interface)
return type == this || type == ValueType.externref || type == ValueType.anyref;
return type == this || type == ValueType.externref || type == ValueType.anyref || type == ValueType.eqref;
}
/**

2
src/de/inetsoftware/jwebassembly/module/WasmStructInstruction.java
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@ -203,7 +203,7 @@ class WasmStructInstruction extends WasmInstruction {
AnyType getPushValueType() {
switch( op ) {
case NULL:
return options.useGC() ? ValueType.anyref : ValueType.externref;
return options.useGC() ? ValueType.eqref : ValueType.externref;
case NEW:
case NEW_DEFAULT:
case CAST:

4
src/de/inetsoftware/jwebassembly/text/TextModuleWriter.java
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@ -316,7 +316,7 @@ public class TextModuleWriter extends ModuleWriter {
if( !type.isRefType() ) {
output.append( type.toString() );
} else if( options.useGC() ) {
output.append( ValueType.anyref.toString() );
output.append( ValueType.eqref.toString() );
//TODO output.append( "(optref " ).append( normalizeName( type.toString() ) ).append( ')' );
} else {
output.append( ValueType.externref.toString() );
@ -859,7 +859,7 @@ public class TextModuleWriter extends ModuleWriter {
operation = "struct.set";
break;
case NULL:
operation = options.useGC() ? "ref.null any" : "ref.null extern";
operation = options.useGC() ? "ref.null eq" : "ref.null extern";
type = null;
break;
default:

8
src/de/inetsoftware/jwebassembly/wasm/ValueType.java
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@ -24,12 +24,14 @@ public enum ValueType implements AnyType {
f32(-0x03),
f64(-0x04),
v128(-0x05),
i8(-0x06), //TODO dummy value for https://github.com/WebAssembly/gc
i16(-0x07), //TODO dummy value for https://github.com/WebAssembly/gc
i8(-0x06),
i16(-0x07),
funcref(-0x10),
externref(-0x11),
anyref(-0x12),
ref_type(-0x13 ), // 0x6D https://github.com/lars-t-hansen/moz-gc-experiments/blob/master/version2.md
eqref(-0x13),
optref(-0x14),
ref(-0x15),
exnref(-0x18), // https://github.com/WebAssembly/exception-handling/blob/master/proposals/Exceptions.md
func(-0x20),
struct(-0x21),