passing code position for a source map. #6

This commit is contained in:
Volker Berlin 2019-03-26 18:21:20 +01:00
parent 018fa3896a
commit 97b7b9dafd
5 changed files with 44 additions and 1 deletions

View File

@ -394,6 +394,14 @@ public class BinaryModuleWriter extends ModuleWriter implements InstructionOpcod
function.typeId = typeId;
}
/**
* {@inheritDoc}
*/
@Override
protected void markCodePosition( int javaCodePosition ) {
function.markCodePosition( codeStream.size(), javaCodePosition );
}
/**
* {@inheritDoc}
*/

View File

@ -1,5 +1,5 @@
/*
* Copyright 2017 - 2018 Volker Berlin (i-net software)
* Copyright 2017 - 2019 Volker Berlin (i-net software)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -40,4 +40,16 @@ class Function extends SectionEntry {
void writeSectionEntry( WasmOutputStream stream ) throws IOException {
stream.writeVaruint32( this.typeId );
}
/**
* Add code position marker for a source map.
*
* @param streamPosition
* the position in the function stream
* @param javaCodePosition
* the position in the Java Source file
*/
void markCodePosition( int streamPosition, int javaCodePosition ) {
// TODO Auto-generated method stub
}
}

View File

@ -369,6 +369,8 @@ public class ModuleGenerator {
List<WasmInstruction> instructions = codeBuilder.getInstructions();
optimizer.optimze( instructions );
int lastCodePosition = -1;
for( WasmInstruction instruction : instructions ) {
switch( instruction.getType() ) {
case Block:
@ -388,6 +390,11 @@ public class ModuleGenerator {
break;
default:
}
int codePosition = instruction.getCodePosition();
if( codePosition >= 0 && codePosition != lastCodePosition ) {
writer.markCodePosition( codePosition );
lastCodePosition = codePosition;
}
instruction.writeTo( writer );
}
writer.writeMethodFinish();

View File

@ -126,6 +126,14 @@ public abstract class ModuleWriter implements Closeable {
*/
protected abstract void writeMethodParamFinish() throws IOException;
/**
* Mark the current output position with Java code position for crating of a source map.
*
* @param javaCodePosition
* the position in the Java code
*/
protected abstract void markCodePosition( int javaCodePosition );
/**
* Complete the method
*

View File

@ -198,6 +198,14 @@ public class TextModuleWriter extends ModuleWriter {
}
}
/**
* {@inheritDoc}
*/
@Override
protected void markCodePosition( int javaCodePosition ) {
// nothing
}
/**
* {@inheritDoc}
*/