org.jsweet.transpiler.util

Class SourceMap

java.lang.Object

org.jsweet.transpiler.util.SourceMap

public class SourceMap
extends Object

This object represents a source map between an input source file and an output source file.

Author:

Renaud Pawlak

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SourceMap.Entry An entry in the source map.

Constructor Summary

Constructors

Constructor and Description
SourceMap()

Method Summary

Modifier and Type	Method and Description
SourceMap.Entry	addEntry(Position inputPosition, Position outputPosition) Adds an entry to the source map (entry must be added in order).
Position	findInputPosition(int outputLine, int outputColumn) Finds the input position from an output position.
Position	findInputPosition(Position outputPosition) Finds the input position from an output position.
List<SourceMap.Entry>	getSortedEntries(Comparator<SourceMap.Entry> comparator) Gets all the sorted entries in this source map agains the given comparator.
void	removeLastInsertedEntry() Removes the last inserted entry from this source map.
void	shiftOutputPositions(int lineOffset) Shifts the ouput positions by the given line offset.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SourceMap

public SourceMap()

Method Detail

addEntry

public final SourceMap.Entry addEntry(Position inputPosition,
                                      Position outputPosition)

Adds an entry to the source map (entry must be added in order).

Parameters:

inputPosition - the input position in the input source file

outputPosition - the output position in the output source file

Returns:

the added entry (null if the entry cannot be added)

findInputPosition

public final Position findInputPosition(Position outputPosition)

Finds the input position from an output position.

Parameters:

outputPosition - a position in the output source file

Returns:

the mapped position in the input source file

findInputPosition

public final Position findInputPosition(int outputLine,
                                        int outputColumn)

Finds the input position from an output position.

Parameters:

outputLine - a line in the output source file

outputColumn - a column in the output source file

Returns:

the mapped position in the input source file

shiftOutputPositions

public final void shiftOutputPositions(int lineOffset)

Shifts the ouput positions by the given line offset.

toString

public String toString()

Overrides:

toString in class Object

getSortedEntries

public List<SourceMap.Entry> getSortedEntries(Comparator<SourceMap.Entry> comparator)

Gets all the sorted entries in this source map agains the given comparator.

removeLastInsertedEntry

public void removeLastInsertedEntry()

Removes the last inserted entry from this source map.