give more information (at most 35 chars before and after) for too long lines

add tests for giving more informations for too long lines

add edge tests for giving more informations for too long lines

avoid printing out tailing white space

update test case after avoiding printing out trailing whitespace

update test case for removing the pre-release warning from reference

refactor the code to if-else flavor

rename folder to cmdlineErrorReports under test

rename folder to cmdlineErrorReports under test

ignore whitespace for reference files

avoiding to modify the file stderr_path by call sed without -i option

print ' ...' instead of ' ... ' at the end of a line

1 files changed, 8 insertions, 2 deletions

diff --git a/libsolidity/interface/SourceReferenceFormatter.cpp b/libsolidity/interface/SourceReferenceFormatter.cpp
index 0f014372..4724fc7f 100644
--- a/libsolidity/interface/SourceReferenceFormatter.cpp
+++ b/libsolidity/interface/SourceReferenceFormatter.cpp
@@ -55,8 +55,14 @@ void SourceReferenceFormatter::printSourceLocation(SourceLocation const* _locati
 		}
 		if (line.length() > 150)
 		{
-			line = " ... " + line.substr(startColumn, locationLength) + " ... ";
-			startColumn = 5;
+			int len = line.length();
+			line = line.substr(max(0, startColumn - 35), min(startColumn, 35) + min(locationLength + 35, len - startColumn));
+			if (startColumn + locationLength + 35 < len)
+				line += " ...";
+			if (startColumn > 35) {
+				line = " ... " + line;
+				startColumn = 40;
+			}
 			endColumn = startColumn + locationLength;
 		}