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add support for local.tee to wat parser

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This commit is contained in:
Volker Berlin 2019-11-09 18:48:28 +01:00
parent baf7fb9cf0
commit 0ae27b2c86
5 changed files with 24 additions and 12 deletions
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8
src/de/inetsoftware/jwebassembly/module/WasmCodeBuilder.java
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@ -254,8 +254,8 @@ public abstract class WasmCodeBuilder {
/** /**
* Create a WasmLoadStoreInstruction local.get/local.set. * Create a WasmLoadStoreInstruction local.get/local.set.
* *
* @param load * @param op
* true: if load * the operation
* @param wasmIdx * @param wasmIdx
* the index of the variable * the index of the variable
* @param javaCodePos * @param javaCodePos
@ -264,8 +264,8 @@ public abstract class WasmCodeBuilder {
* the line number in the Java source code * the line number in the Java source code
*/ */
@Nonnull @Nonnull
protected void addLocalInstruction( boolean load, @Nonnegative int wasmIdx, int javaCodePos, int lineNumber ) { protected void addLocalInstruction( VariableOperator op, @Nonnegative int wasmIdx, int javaCodePos, int lineNumber ) {
instructions.add( new WasmLocalInstruction( load, wasmIdx, javaCodePos, lineNumber ) ); instructions.add( new WasmLocalInstruction( op, wasmIdx, javaCodePos, lineNumber ) );
} }
/** /**

5
src/de/inetsoftware/jwebassembly/module/WasmLoadStoreInstruction.java
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@ -16,6 +16,9 @@
*/ */
package de.inetsoftware.jwebassembly.module; package de.inetsoftware.jwebassembly.module;
import static de.inetsoftware.jwebassembly.wasm.VariableOperator.get;
import static de.inetsoftware.jwebassembly.wasm.VariableOperator.set;
import javax.annotation.Nonnegative; import javax.annotation.Nonnegative;
import de.inetsoftware.jwebassembly.wasm.AnyType; import de.inetsoftware.jwebassembly.wasm.AnyType;
@ -45,7 +48,7 @@ class WasmLoadStoreInstruction extends WasmLocalInstruction {
* the line number in the Java source code * the line number in the Java source code
*/ */
WasmLoadStoreInstruction( boolean load, @Nonnegative int idx, LocaleVariableManager localVariables, int javaCodePos, int lineNumber ) { WasmLoadStoreInstruction( boolean load, @Nonnegative int idx, LocaleVariableManager localVariables, int javaCodePos, int lineNumber ) {
super( load, idx, javaCodePos, lineNumber ); super( load ? get : set, idx, javaCodePos, lineNumber );
this.localVariables = localVariables; this.localVariables = localVariables;
} }

10
src/de/inetsoftware/jwebassembly/module/WasmLocalInstruction.java
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@ -39,10 +39,10 @@ class WasmLocalInstruction extends WasmInstruction {
private int idx; private int idx;
/** /**
* Create an instance of a load/store instruction * Create an instance of a load/store instruction for a local variable.
* *
* @param load * @param op
* true: if load * the operation
* @param idx * @param idx
* the memory/slot idx of the variable * the memory/slot idx of the variable
* @param javaCodePos * @param javaCodePos
@ -50,9 +50,9 @@ class WasmLocalInstruction extends WasmInstruction {
* @param lineNumber * @param lineNumber
* the line number in the Java source code * the line number in the Java source code
*/ */
WasmLocalInstruction( boolean load, @Nonnegative int idx, int javaCodePos, int lineNumber ) { WasmLocalInstruction( VariableOperator op, @Nonnegative int idx, int javaCodePos, int lineNumber ) {
super( javaCodePos, lineNumber ); super( javaCodePos, lineNumber );
this.op = load ? get : set; this.op = op;
this.idx = idx; this.idx = idx;
} }

8
src/de/inetsoftware/jwebassembly/watparser/WatParser.java
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@ -29,6 +29,7 @@ import de.inetsoftware.jwebassembly.module.ValueTypeConvertion;
import de.inetsoftware.jwebassembly.module.WasmCodeBuilder; import de.inetsoftware.jwebassembly.module.WasmCodeBuilder;
import de.inetsoftware.jwebassembly.wasm.NumericOperator; import de.inetsoftware.jwebassembly.wasm.NumericOperator;
import de.inetsoftware.jwebassembly.wasm.ValueType; import de.inetsoftware.jwebassembly.wasm.ValueType;
import de.inetsoftware.jwebassembly.wasm.VariableOperator;
import de.inetsoftware.jwebassembly.wasm.WasmBlockOperator; import de.inetsoftware.jwebassembly.wasm.WasmBlockOperator;
/** /**
@ -58,10 +59,13 @@ public class WatParser extends WasmCodeBuilder {
String tok = tokens.get( i ); String tok = tokens.get( i );
switch( tok ) { switch( tok ) {
case "local.get": case "local.get":
addLocalInstruction( true, getInt( tokens, ++i), javaCodePos, lineNumber ); addLocalInstruction( VariableOperator.get, getInt( tokens, ++i), javaCodePos, lineNumber );
break; break;
case "local.set": case "local.set":
addLocalInstruction( false, getInt( tokens, ++i), javaCodePos, lineNumber ); addLocalInstruction( VariableOperator.set, getInt( tokens, ++i), javaCodePos, lineNumber );
break;
case "local.tee":
addLocalInstruction( VariableOperator.tee, getInt( tokens, ++i), javaCodePos, lineNumber );
break; break;
// case "get_global": // case "get_global":
// addGlobalInstruction( true, ref, javaCodePos ); // addGlobalInstruction( true, ref, javaCodePos );

5
test/de/inetsoftware/jwebassembly/module/WatParserTest.java
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@ -109,6 +109,11 @@ public class WatParserTest {
test( "local.set 2" ); test( "local.set 2" );
} }
@Test
public void Local_tee() throws IOException {
test( "local.tee 3" );
}
@Test @Test
public void i32_add() throws IOException { public void i32_add() throws IOException {
test( "i32.add" ); test( "i32.add" );