Index: dart/utils/compiler/source_file.dart |
diff --git a/dart/utils/compiler/source_file.dart b/dart/utils/compiler/source_file.dart |
deleted file mode 100644 |
index c16d58ef2e78ff5c54a722c258ad98b8b6c9d0a4..0000000000000000000000000000000000000000 |
--- a/dart/utils/compiler/source_file.dart |
+++ /dev/null |
@@ -1,98 +0,0 @@ |
-// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
-// for details. All rights reserved. Use of this source code is governed by a |
-// BSD-style license that can be found in the LICENSE file. |
- |
-#library('source_file'); |
- |
-#import('../../frog/leg/colors.dart'); |
- |
-/** |
- * Represents a file of source code. |
- */ |
-class SourceFile { |
- |
- /** The name of the file. */ |
- final String filename; |
- |
- /** The text content of the file. */ |
- final String text; |
- |
- List<int> _lineStarts; |
- |
- SourceFile(this.filename, this.text); |
- |
- List<int> get lineStarts() { |
- if (_lineStarts == null) { |
- var starts = [0]; |
- var index = 0; |
- while (index < text.length) { |
- index = text.indexOf('\n', index) + 1; |
- if (index <= 0) break; |
- starts.add(index); |
- } |
- starts.add(text.length + 1); |
- _lineStarts = starts; |
- } |
- return _lineStarts; |
- } |
- |
- int getLine(int position) { |
- // TODO(jimhug): Implement as binary search. |
- var starts = lineStarts; |
- for (int i=0; i < starts.length; i++) { |
- if (starts[i] > position) return i-1; |
- } |
- throw 'bad position'; |
- } |
- |
- int getColumn(int line, int position) { |
- return position - lineStarts[line]; |
- } |
- |
- /** |
- * Create a pretty string representation from a character position |
- * in the file. |
- */ |
- String getLocationMessage(String message, int start, |
- [int end, bool includeText=false, bool useColors = true]) { |
- var line = getLine(start); |
- var column = getColumn(line, start); |
- |
- var buf = new StringBuffer( |
- '${filename}:${line + 1}:${column + 1}: $message'); |
- if (includeText) { |
- buf.add('\n'); |
- var textLine; |
- // +1 for 0-indexing, +1 again to avoid the last line of the file |
- if ((line + 2) < _lineStarts.length) { |
- textLine = text.substring(_lineStarts[line], _lineStarts[line+1]); |
- } else { |
- textLine = text.substring(_lineStarts[line]) + '\n'; |
- } |
- |
- int toColumn = Math.min(column + (end-start), textLine.length); |
- if (useColors) { |
- buf.add(textLine.substring(0, column)); |
- buf.add(RED_COLOR); |
- buf.add(textLine.substring(column, toColumn)); |
- buf.add(NO_COLOR); |
- buf.add(textLine.substring(toColumn)); |
- } else { |
- buf.add(textLine); |
- } |
- |
- int i = 0; |
- for (; i < column; i++) { |
- buf.add(' '); |
- } |
- |
- if (useColors) buf.add(RED_COLOR); |
- for (; i < toColumn; i++) { |
- buf.add('^'); |
- } |
- if (useColors) buf.add(NO_COLOR); |
- } |
- |
- return buf.toString(); |
- } |
-} |