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Adding better error messages for Tokenization and Parsing
- More msg, less stack tracemaster
Jacob Alexander
8 years ago
1 changed files with 7 additions and 3 deletions
+ 7
- 3
kll.py
View File
| @@ -683,13 +683,17 @@ def parse( tokenSequence ): | |||
| def processKLLFile( filename ): | |||
| with open( filename ) as file: | |||
| data = file.read() | |||
| tokenSequence = tokenize( data ) | |||
| try: | |||
| tokenSequence = tokenize( data ) | |||
| except LexerError as e: | |||
| print ( "{0} Tokenization error in '{1}' - {2}".format( ERROR, filename, e ) ) | |||
| sys.exit( 1 ) | |||
| #print ( pformat( tokenSequence ) ) # Display tokenization | |||
| try: | |||
| tree = parse( tokenSequence ) | |||
| except NoParseError as e: | |||
| print("Error parsing %s. %s" % (filename, e.msg), file=sys.stderr) | |||
| sys.exit(1) | |||
| print ( "{0} Parsing error in '{1}' - {2}".format( ERROR, filename, e ) ) | |||
| sys.exit( 1 ) | |||
| ### Misc Utility Functions ### | |||