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passing code position for a source map. #6
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@ -394,6 +394,14 @@ public class BinaryModuleWriter extends ModuleWriter implements InstructionOpcod
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function.typeId = typeId;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected void markCodePosition( int javaCodePosition ) {
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function.markCodePosition( codeStream.size(), javaCodePosition );
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}
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/**
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* {@inheritDoc}
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*/
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@ -1,5 +1,5 @@
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/*
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* Copyright 2017 - 2018 Volker Berlin (i-net software)
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* Copyright 2017 - 2019 Volker Berlin (i-net software)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -40,4 +40,16 @@ class Function extends SectionEntry {
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void writeSectionEntry( WasmOutputStream stream ) throws IOException {
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stream.writeVaruint32( this.typeId );
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}
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/**
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* Add code position marker for a source map.
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*
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* @param streamPosition
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* the position in the function stream
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* @param javaCodePosition
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* the position in the Java Source file
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*/
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void markCodePosition( int streamPosition, int javaCodePosition ) {
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// TODO Auto-generated method stub
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}
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}
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@ -369,6 +369,8 @@ public class ModuleGenerator {
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List<WasmInstruction> instructions = codeBuilder.getInstructions();
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optimizer.optimze( instructions );
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int lastCodePosition = -1;
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for( WasmInstruction instruction : instructions ) {
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switch( instruction.getType() ) {
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case Block:
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@ -388,6 +390,11 @@ public class ModuleGenerator {
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break;
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default:
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}
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int codePosition = instruction.getCodePosition();
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if( codePosition >= 0 && codePosition != lastCodePosition ) {
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writer.markCodePosition( codePosition );
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lastCodePosition = codePosition;
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}
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instruction.writeTo( writer );
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}
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writer.writeMethodFinish();
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@ -126,6 +126,14 @@ public abstract class ModuleWriter implements Closeable {
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*/
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protected abstract void writeMethodParamFinish() throws IOException;
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/**
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* Mark the current output position with Java code position for crating of a source map.
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*
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* @param javaCodePosition
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* the position in the Java code
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*/
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protected abstract void markCodePosition( int javaCodePosition );
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/**
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* Complete the method
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*
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@ -198,6 +198,14 @@ public class TextModuleWriter extends ModuleWriter {
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected void markCodePosition( int javaCodePosition ) {
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// nothing
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}
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/**
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* {@inheritDoc}
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*/
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