private void EnsureCompatible(ILineBreaks lineBreaks)
{
if (this.LineBreaks != lineBreaks)
{
throw new ArgumentException();
}
}
public override LineSpan GetLineFromLineNumber(int lineNumber)
{
if ((lineNumber < 0) || (lineNumber > this.LineBreakCount))
{
throw new ArgumentOutOfRangeException("lineNumber");
}
ILineBreaks lineBreaks = _storage.LineBreaks;
int absoluteLineNumber = _lineBreakSpanStart + lineNumber;
int start = (lineNumber == 0)
? 0
: (Math.Min(this.TextSpanEnd, lineBreaks.EndOfLineBreak(absoluteLineNumber - 1)) - _textSpanStart);
int end;
int breakLength;
if (lineNumber < this.LineBreakCount)
{
end = Math.Max(_textSpanStart, lineBreaks.StartOfLineBreak(absoluteLineNumber));
breakLength = Math.Min(this.TextSpanEnd, lineBreaks.EndOfLineBreak(absoluteLineNumber)) - end;
end -= _textSpanStart;
}
else
{
end = this.Length;
breakLength = 0;
}
return(new LineSpan(lineNumber, Span.FromBounds(start, end), breakLength));
}
/// <summary>
/// Gets <see cref="Microsoft.CodeAnalysis.Text.LinePosition"/> from source position.
/// </summary>
public static LinePosition LinePosition(this ILineBreaks lines, int pos)
{
lines.GetLineColumnFromPosition(pos, out int line, out int col);
// https://github.com/dotnet/corefx/blob/master/src/System.Reflection.Metadata/specs/PortablePdb-Metadata.md#sequence-points-blob - column must be less than 0x10000
return(new LinePosition(line, Math.Min(col, 0x09999)));
}
/// <summary>
/// Gets <see cref="Microsoft.CodeAnalysis.Text.LinePosition"/> from source position.
/// </summary>
public static LinePosition LinePosition(this ILineBreaks lines, int pos)
{
int line, col;
lines.GetLineColumnFromPosition(pos, out line, out col);
return(new LinePosition(line, col));
}
private static StringRebuilder Create(Page content, ILineBreaks lineBreaks, int start, int length, int lineBreaksStart, int linebreaksLength)
{
Debug.Assert(content.Length > 0);
var expanded = content.Expand();
return(new StringRebuilderForCompressedChars(content, lineBreaks, start, length, lineBreaksStart, linebreaksLength, expanded[start], expanded[start + length - 1]));
}
public TextPoint(ILineBreaks lineBreaks, int position)
{
//if (lineBreaks == null)
// throw new ArgumentNullException("lineBreaks");
//if (position > lineBreaks.TextLength)
// throw new ArgumentException("position");
_lineBreaks = lineBreaks;
_position = position;
}
public SourceUnit(PhpSourceFile /*!*/ sourceFile, Encoding /*!*/ encoding, ILineBreaks /*!*/ lineBreaks)
{
Debug.Assert(sourceFile != null && encoding != null);
Debug.Assert(lineBreaks != null);
this.sourceFile = sourceFile;
this.encoding = encoding;
this.innerLineBreaks = lineBreaks;
this.naming = new NamingContext(null, null);
}
public SourceUnit(string /*!*/ filePath, Encoding /*!*/ encoding, ILineBreaks /*!*/ lineBreaks)
{
Debug.Assert(filePath != null && encoding != null);
Debug.Assert(lineBreaks != null);
_filePath = filePath;
_encoding = encoding;
_innerLineBreaks = lineBreaks;
_naming = new NamingContext(null);
}
protected UnaryStringRebuilder(ILineBreaks lineBreaks, int start, int length, int linebreaksStart, int linebreaksLength, char first, char last)
: base(length, linebreaksLength, first, last)
{
#if DEBUG
Interlocked.Increment(ref _totalCreated);
#endif
_lineBreaks = lineBreaks;
_textSpanStart = start;
_lineBreakSpanStart = linebreaksStart;
}
internal static StringRebuilder Create(string source, ILineBreaks lineBreaks, int start, int length, int lineBreaksStart, int lineBreaksLength)
{
Debug.Assert(length != 0);
if (lineBreaksLength == 0)
{
return(new StringRebuilderForString(source, LineBreakManager.Empty, start, length, 0, 0, source[start], source[start + length - 1]));
}
else
{
return(new StringRebuilderForString(source, lineBreaks, start, length, lineBreaksStart, lineBreaksLength, source[start], source[start + length - 1]));
}
}
public TextSpan(ILineBreaks lineBreaks, Span span)
{
if (lineBreaks == null)
{
throw new ArgumentNullException("lineBreaks");
}
if (span.End > lineBreaks.TextLength)
{
throw new ArgumentOutOfRangeException("span");
}
_start = new TextPoint(lineBreaks, span.Start);
_length = span.Length;
}
/// <summary>
/// Gets <see cref="Span"/> of whole <paramref name="line"/>.
/// </summary>
/// <param name="lineBreaks">Information about line breaks in the document. Cannot be <c>null</c>.</param>
/// <param name="line">Line number.</param>
/// <returns><see cref="Span"/> of line specified by parameter <paramref name="line"/> within the document <paramref name="lineBreaks"/>.</returns>
public static Span GetLineSpan(this ILineBreaks /*!*/ lineBreaks, int line)
{
if (lineBreaks == null)
{
throw new ArgumentNullException("lineBreaks");
}
if (line < 0 || line > lineBreaks.Count)
{
throw new ArgumentException("line");
}
int start = (line != 0) ? lineBreaks.EndOfLineBreak(line - 1) : 0;
int end = (line < lineBreaks.Count) ? lineBreaks.EndOfLineBreak(line) : lineBreaks.TextLength;
return(Span.FromBounds(start, end));
}
public TextSpan(ILineBreaks lineBreaks, int start, int length)
{
_start = new TextPoint(lineBreaks, start);
_length = length;
}
internal static StringRebuilder Create(Page content, ILineBreaks lineBreaks)
{
return(StringRebuilderForCompressedChars.Create(content, lineBreaks, 0, content.Length, 0, lineBreaks.Length));
}
internal static StringRebuilder Create(string source, int length, ILineBreaks lineBreaks)
{
return(StringRebuilderForString.Create(source, lineBreaks, 0, length, 0, lineBreaks.Length));
}
private StringRebuilderForCompressedChars(Page content, ILineBreaks lineBreaks, int start, int length, int lineBreaksStart, int linebreaksLength, char first, char last)
: base(lineBreaks, start, length, lineBreaksStart, linebreaksLength, first, last)
{
_content = content;
}
private StringRebuilderForString(string source, ILineBreaks lineBreaks, int start, int length, int lineBreaksStart, int lineBreaksLength, char first, char last)
: base(lineBreaks, start, length, lineBreaksStart, lineBreaksLength, first, last)
{
_content = source;
}
public CompilationSourceUnit(CompilationUnitBase /*!*/ compilationUnit, PhpSourceFile /*!*/ sourceFile, Encoding /*!*/ encoding, ILineBreaks /*!*/ lineBreaks)
: base(sourceFile, encoding, lineBreaks)
{
Debug.Assert(compilationUnit != null);
this.compilationUnit = compilationUnit;
this.namingContextFieldBuilder = null; // to be filled during compilation just before the unit gets emitted
this.symbolDocumentWriter = null; // to be filled during compilation just before the unit gets emitted
}
