diff options
Diffstat (limited to 'symbols/mdb/Mono.CompilerServices.SymbolWriter/MonoSymbolTable.cs')
| -rw-r--r-- | symbols/mdb/Mono.CompilerServices.SymbolWriter/MonoSymbolTable.cs | 189 |
1 files changed, 125 insertions, 64 deletions
diff --git a/symbols/mdb/Mono.CompilerServices.SymbolWriter/MonoSymbolTable.cs b/symbols/mdb/Mono.CompilerServices.SymbolWriter/MonoSymbolTable.cs index c170150..cf5d819 100644 --- a/symbols/mdb/Mono.CompilerServices.SymbolWriter/MonoSymbolTable.cs +++ b/symbols/mdb/Mono.CompilerServices.SymbolWriter/MonoSymbolTable.cs @@ -183,57 +183,56 @@ namespace Mono.CompilerServices.SymbolWriter { #region This is actually written to the symbol file public readonly int Row; + public int Column; + public int EndRow, EndColumn; public readonly int File; public readonly int Offset; - public readonly bool IsHidden; + public readonly bool IsHidden; // Obsolete is never used #endregion - public LineNumberEntry (int file, int row, int offset) - : this (file, row, offset, false) - { } - - public LineNumberEntry (int file, int row, int offset, bool is_hidden) + public sealed class LocationComparer : IComparer<LineNumberEntry> { - this.File = file; - this.Row = row; - this.Offset = offset; - this.IsHidden = is_hidden; - } - - public static LineNumberEntry Null = new LineNumberEntry (0, 0, 0); + public static readonly LocationComparer Default = new LocationComparer (); - private class OffsetComparerClass : IComparer<LineNumberEntry> - { public int Compare (LineNumberEntry l1, LineNumberEntry l2) { - if (l1.Offset < l2.Offset) - return -1; - else if (l1.Offset > l2.Offset) - return 1; - else - return 0; + return l1.Row == l2.Row ? + l1.Column.CompareTo (l2.Column) : + l1.Row.CompareTo (l2.Row); } } - private class RowComparerClass : IComparer<LineNumberEntry> + public static readonly LineNumberEntry Null = new LineNumberEntry (0, 0, 0, 0); + + public LineNumberEntry (int file, int row, int column, int offset) + : this (file, row, offset, column, false) + { + } + + public LineNumberEntry (int file, int row, int offset) + : this (file, row, -1, offset, false) { - public int Compare (LineNumberEntry l1, LineNumberEntry l2) - { - if (l1.Row < l2.Row) - return -1; - else if (l1.Row > l2.Row) - return 1; - else - return 0; - } } - public static readonly IComparer<LineNumberEntry> OffsetComparer = new OffsetComparerClass (); - public static readonly IComparer<LineNumberEntry> RowComparer = new RowComparerClass (); + public LineNumberEntry (int file, int row, int column, int offset, bool is_hidden) + : this (file, row, column, -1, -1, offset, is_hidden) + { + } + + public LineNumberEntry (int file, int row, int column, int end_row, int end_column, int offset, bool is_hidden) + { + this.File = file; + this.Row = row; + this.Column = column; + this.EndRow = end_row; + this.EndColumn = end_column; + this.Offset = offset; + this.IsHidden = is_hidden; + } public override string ToString () { - return String.Format ("[Line {0}:{1}:{2}]", File, Row, Offset); + return String.Format ("[Line {0}:{1,2}-{3,4}:{5}]", File, Row, Column, EndRow, EndColumn, Offset); } } @@ -610,6 +609,11 @@ namespace Mono.CompilerServices.SymbolWriter DataOffset = reader.ReadInt32 (); } + public void ReadAll () + { + ReadData (); + } + void ReadData () { if (creating) @@ -692,26 +696,33 @@ namespace Mono.CompilerServices.SymbolWriter creating = true; } - public SourceFileEntry (MonoSymbolFile file, string file_name, - byte[] guid, byte[] checksum) + public SourceFileEntry (MonoSymbolFile file, string file_name, byte[] guid, byte[] checksum) : this (file, file_name) { this.guid = guid; this.hash = checksum; } + public byte[] Checksum { + get { + return hash; + } + } + internal void WriteData (MyBinaryWriter bw) { DataOffset = (int) bw.BaseStream.Position; bw.Write (file_name); - if (guid == null) { - guid = Guid.NewGuid ().ToByteArray (); + if (guid == null) + guid = new byte[16]; + + if (hash == null) { try { - using (FileStream fs = new FileStream (file_name, FileMode.Open, FileAccess.Read)) { - MD5 md5 = MD5.Create (); - hash = md5.ComputeHash (fs); - } + using (FileStream fs = new FileStream (file_name, FileMode.Open, FileAccess.Read)) { + MD5 md5 = MD5.Create (); + hash = md5.ComputeHash (fs); + } } catch { hash = new byte [16]; } @@ -748,6 +759,7 @@ namespace Mono.CompilerServices.SymbolWriter public string FileName { get { return file_name; } + set { file_name = value; } } public bool AutoGenerated { @@ -802,7 +814,6 @@ namespace Mono.CompilerServices.SymbolWriter public const int Default_LineRange = 8; public const byte Default_OpcodeBase = 9; - public const bool SuppressDuplicates = true; #endregion public const byte DW_LNS_copy = 1; @@ -833,7 +844,7 @@ namespace Mono.CompilerServices.SymbolWriter this._line_numbers = lines; } - internal void Write (MonoSymbolFile file, MyBinaryWriter bw) + internal void Write (MonoSymbolFile file, MyBinaryWriter bw, bool hasColumnsInfo, bool hasEndInfo) { int start = (int) bw.BaseStream.Position; @@ -843,11 +854,6 @@ namespace Mono.CompilerServices.SymbolWriter int line_inc = LineNumbers [i].Row - last_line; int offset_inc = LineNumbers [i].Offset - last_offset; - if (SuppressDuplicates && (i+1 < LineNumbers.Length)) { - if (LineNumbers [i+1].Equals (LineNumbers [i])) - continue; - } - if (LineNumbers [i].File != last_file) { bw.Write (DW_LNS_set_file); bw.WriteLeb128 (LineNumbers [i].File); @@ -895,17 +901,37 @@ namespace Mono.CompilerServices.SymbolWriter bw.Write ((byte) 1); bw.Write (DW_LNE_end_sequence); + if (hasColumnsInfo) { + for (int i = 0; i < LineNumbers.Length; i++) { + var ln = LineNumbers [i]; + if (ln.Row >= 0) + bw.WriteLeb128 (ln.Column); + } + } + + if (hasEndInfo) { + for (int i = 0; i < LineNumbers.Length; i++) { + var ln = LineNumbers [i]; + if (ln.EndRow == -1 || ln.EndColumn == -1 || ln.Row > ln.EndRow) { + bw.WriteLeb128 (0xffffff); + } else { + bw.WriteLeb128 (ln.EndRow - ln.Row); + bw.WriteLeb128 (ln.EndColumn); + } + } + } + file.ExtendedLineNumberSize += (int) bw.BaseStream.Position - start; } - internal static LineNumberTable Read (MonoSymbolFile file, MyBinaryReader br) + internal static LineNumberTable Read (MonoSymbolFile file, MyBinaryReader br, bool readColumnsInfo, bool readEndInfo) { LineNumberTable lnt = new LineNumberTable (file); - lnt.DoRead (file, br); + lnt.DoRead (file, br, readColumnsInfo, readEndInfo); return lnt; } - void DoRead (MonoSymbolFile file, MyBinaryReader br) + void DoRead (MonoSymbolFile file, MyBinaryReader br, bool includesColumns, bool includesEnds) { var lines = new List<LineNumberEntry> (); @@ -922,7 +948,7 @@ namespace Mono.CompilerServices.SymbolWriter if (opcode == DW_LNE_end_sequence) { if (modified) lines.Add (new LineNumberEntry ( - stm_file, stm_line, stm_offset, is_hidden)); + stm_file, stm_line, -1, stm_offset, is_hidden)); break; } else if (opcode == DW_LNE_MONO_negate_is_hidden) { is_hidden = !is_hidden; @@ -931,9 +957,7 @@ namespace Mono.CompilerServices.SymbolWriter (opcode <= DW_LNE_MONO__extensions_end)) { ; // reserved for future extensions } else { - throw new MonoSymbolFileException ( - "Unknown extended opcode {0:x} in LNT ({1})", - opcode, file.FileName); + throw new MonoSymbolFileException ("Unknown extended opcode {0:x}", opcode); } br.BaseStream.Position = end_pos; @@ -942,7 +966,7 @@ namespace Mono.CompilerServices.SymbolWriter switch (opcode) { case DW_LNS_copy: lines.Add (new LineNumberEntry ( - stm_file, stm_line, stm_offset, is_hidden)); + stm_file, stm_line, -1, stm_offset, is_hidden)); modified = false; break; case DW_LNS_advance_pc: @@ -972,13 +996,34 @@ namespace Mono.CompilerServices.SymbolWriter stm_offset += opcode / LineRange; stm_line += LineBase + (opcode % LineRange); lines.Add (new LineNumberEntry ( - stm_file, stm_line, stm_offset, is_hidden)); + stm_file, stm_line, -1, stm_offset, is_hidden)); modified = false; } } - _line_numbers = new LineNumberEntry [lines.Count]; - lines.CopyTo (_line_numbers, 0); + _line_numbers = lines.ToArray (); + + if (includesColumns) { + for (int i = 0; i < _line_numbers.Length; ++i) { + var ln = _line_numbers[i]; + if (ln.Row >= 0) + ln.Column = br.ReadLeb128 (); + } + } + if (includesEnds) { + for (int i = 0; i < _line_numbers.Length; ++i) { + var ln = _line_numbers[i]; + + int row = br.ReadLeb128 (); + if (row == 0xffffff) { + ln.EndRow = -1; + ln.EndColumn = -1; + } else { + ln.EndRow = ln.Row + row; + ln.EndColumn = br.ReadLeb128 (); + } + } + } } public bool GetMethodBounds (out LineNumberEntry start, out LineNumberEntry end) @@ -1035,7 +1080,9 @@ namespace Mono.CompilerServices.SymbolWriter [Flags] public enum Flags { - LocalNamesAmbiguous = 1 + LocalNamesAmbiguous = 1, + ColumnsInfoIncluded = 1 << 1, + EndInfoIncluded = 1 << 2 } public const int Size = 12; @@ -1123,7 +1170,7 @@ namespace Mono.CompilerServices.SymbolWriter } } - void CheckLineNumberTable (LineNumberEntry[] line_numbers) + static void CheckLineNumberTable (LineNumberEntry[] line_numbers) { int last_offset = -1; int last_row = -1; @@ -1188,8 +1235,13 @@ namespace Mono.CompilerServices.SymbolWriter bw.Write (real_name); } + foreach (var lne in lnt.LineNumbers) { + if (lne.EndRow != -1 || lne.EndColumn != -1) + flags |= Flags.EndInfoIncluded; + } + LineNumberTableOffset = (int) bw.BaseStream.Position; - lnt.Write (file, bw); + lnt.Write (file, bw, (flags & Flags.ColumnsInfoIncluded) != 0, (flags & Flags.EndInfoIncluded) != 0); DataOffset = (int) bw.BaseStream.Position; @@ -1204,6 +1256,15 @@ namespace Mono.CompilerServices.SymbolWriter bw.WriteLeb128 ((int) flags); } + public void ReadAll () + { + GetLineNumberTable (); + GetLocals (); + GetCodeBlocks (); + GetScopeVariables (); + GetRealName (); + } + public LineNumberTable GetLineNumberTable () { lock (SymbolFile) { @@ -1217,7 +1278,7 @@ namespace Mono.CompilerServices.SymbolWriter long old_pos = reader.BaseStream.Position; reader.BaseStream.Position = LineNumberTableOffset; - lnt = LineNumberTable.Read (SymbolFile, reader); + lnt = LineNumberTable.Read (SymbolFile, reader, (flags & Flags.ColumnsInfoIncluded) != 0, (flags & Flags.EndInfoIncluded) != 0); reader.BaseStream.Position = old_pos; return lnt; |