diff options
Diffstat (limited to 'examples/decaf_parser.py')
| -rw-r--r-- | examples/decaf_parser.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/examples/decaf_parser.py b/examples/decaf_parser.py index c3574b3..e6b1abb 100644 --- a/examples/decaf_parser.py +++ b/examples/decaf_parser.py @@ -41,6 +41,7 @@ Constant ::= intConstant | doubleConstant | boolConstant | stringConstant | null """ import pyparsing as pp +from pyparsing import pyparsing_common as ppc pp.ParserElement.enablePackrat() # keywords @@ -52,8 +53,8 @@ keywords = pp.MatchFirst(list(keywords)) LPAR, RPAR, LBRACE, RBRACE, LBRACK, RBRACK, DOT, EQ, COMMA, SEMI = map(pp.Suppress, "(){}[].=,;") hexConstant = pp.Regex(r"0[xX][0-9a-fA-F]+").addParseAction(lambda t: int(t[0][2:], 16)) -intConstant = hexConstant | pp.pyparsing_common.integer -doubleConstant = pp.pyparsing_common.real +intConstant = hexConstant | ppc.integer +doubleConstant = ppc.real boolConstant = TRUE | FALSE stringConstant = pp.dblQuotedString null = NULL |