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comparison python/c3/parser.py @ 254:bd26dc13f270

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Added logger
author Windel Bouwman
date Wed, 31 Jul 2013 21:20:58 +0200
parents 6ed3d3a82a63
children e64bae57cda8
comparison
equal deleted inserted replaced
253:74c6a20302d5 254:bd26dc13f270
1 import logging
1 from . import astnodes, lexer 2 from . import astnodes, lexer
2 from ppci import CompilerError 3 from ppci import CompilerError
3 4
4 class Parser: 5 class Parser:
5 """ Parses sourcecode into an abstract syntax tree (AST) """ 6 """ Parses sourcecode into an abstract syntax tree (AST) """
6 def __init__(self, diag): 7 def __init__(self, diag):
8 self.logger = logging.getLogger('c3')
7 self.diag = diag 9 self.diag = diag
8 10
9 def parseSource(self, source): 11 def parseSource(self, source):
10 self.initLex(source) 12 self.logger.info('Parsing source')
11 try: 13 self.initLex(source)
12 self.parsePackage() 14 try:
13 return self.mod 15 self.parsePackage()
14 except CompilerError as e: 16 return self.mod
15 self.diag.addDiag(e) 17 except CompilerError as e:
18 self.diag.addDiag(e)
16 19
17 def Error(self, msg): 20 def Error(self, msg):
18 raise CompilerError(msg, self.token.loc) 21 raise CompilerError(msg, self.token.loc)
19 22
20 # Lexer helpers: 23 # Lexer helpers: