zydronium/aspclassic-core
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

progress

Browse source
This commit is contained in:
Jelle Luteijn 2022-05-15 11:19:49 +02:00
parent 16e76d6b31
commit 484dbfc9d9
529 changed files with 113694 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

66
AspClassic.VBScript/Compiler/VBScriptSourceMapper.cs Normal file
View file

@ -0,0 +1,66 @@
using System;
using System.Collections;
using System.Collections.Generic;
using AspClassic.Scripting;
using System.Text;
namespace Dlrsoft.VBScript.Compiler
{
public class VBScriptSourceMapper : ISourceMapper
{
//Here the range is start line number and the end line number
private List<SourceSpan> _spans = new List<SourceSpan>(); //use ArrayList so that we can use the binary search method
private IDictionary<SourceSpan, DocSpan> _mappings = new Dictionary<SourceSpan, DocSpan>();
static private SpanComparer _comparer = new SpanComparer();
public VBScriptSourceMapper() {}
public void AddMapping(SourceSpan generatedSpan, DocSpan span)
{
_spans.Add(generatedSpan);
_mappings[generatedSpan] = span;
}
#region ISourceMapper Members
public DocSpan Map(SourceSpan span)
{
int generatedStartLine = span.Start.Line;
int index = _spans.BinarySearch(span, _comparer);
SourceSpan containingSpan = (SourceSpan)_spans[index];
DocSpan docSpan = _mappings[containingSpan];
int rawStartIndex = docSpan.Span.Start.Index + span.Start.Index - containingSpan.Start.Index;
int lineOffSet = generatedStartLine - containingSpan.Start.Line;
int rawStartLine = docSpan.Span.Start.Line + lineOffSet;
int rawStartColumn;
if (lineOffSet == 0)
{
rawStartColumn = docSpan.Span.Start.Column + span.Start.Column;
}
else
{
rawStartColumn = span.Start.Column;
}
int lines = span.End.Line - generatedStartLine;
int rawEndIndex = rawStartIndex + span.End.Index + span.Start.Index;
int rawEndLine = rawStartLine + lines;
int rawEndColumn;
if (lines == 0)
{
rawEndColumn = rawStartColumn + span.End.Column - span.Start.Column;
}
else
{
rawEndColumn = span.End.Column;
}
return new DocSpan(docSpan.Uri,
new SourceSpan(
new SourceLocation(rawStartIndex, rawStartLine, rawStartColumn),
new SourceLocation(rawEndIndex, rawEndLine, rawEndColumn)
)
);
}
#endregion
}
}