Exemplos de psfParser em Python

Exemplo n.º 1

Arquivo: gfl_parser.py Projeto: ArchnaBhatia/gfl_syntax

def antlr_parse(code):
  if isinstance(code,str): code = code.decode('utf8')
  char_stream = antlr3.ANTLRStringStream(code)
  lexer = psfLexer(char_stream)
  tokens = antlr3.CommonTokenStream(lexer)
  parser = psfParser(tokens)
  parsetree = parser.annotate()
  if parsetree.tree is None:
    raise ParseError("failed to parse")
  return parsetree

Exemplo n.º 2

def antlr_parse(code):
    if isinstance(code, str): code = code.decode('utf8')
    char_stream = antlr3.ANTLRStringStream(code)
    lexer = psfLexer(char_stream)
    tokens = antlr3.CommonTokenStream(lexer)
    parser = psfParser(tokens)
    parsetree = parser.annotate()
    if parsetree.tree is None:
        raise ParseError("failed to parse")
    return parsetree

Exemplo n.º 3

Arquivo: python-driver.py Projeto: ArchnaBhatia/gfl_syntax

import antlr3
from psfLexer import psfLexer
from psfParser import psfParser

char_stream = antlr3.ANTLRFileStream('footballwives.txt')

lexer = psfLexer(char_stream)
tokens = antlr3.CommonTokenStream(lexer)
parser = psfParser(tokens)
p = parser.annotate()

def walk(node, indent=0):
  print "{indent} {info}".format(
      indent=' '*(indent*4), 
      info=node.token if node.token else repr(node),
      #s=node.token.text if node.token else ''
      )
  if node.children:
    for c in node.children:
      walk(c, indent=indent+1)

walk(p.tree)

Exemplo n.º 4

Arquivo: python-driver.py Projeto: ArchnaBhatia/gfl_syntax

import antlr3
from psfLexer import psfLexer
from psfParser import psfParser

char_stream = antlr3.ANTLRFileStream('footballwives.txt')

lexer = psfLexer(char_stream)
tokens = antlr3.CommonTokenStream(lexer)
parser = psfParser(tokens)
p = parser.annotate()


def walk(node, indent=0):
    print "{indent} {info}".format(
        indent=' ' * (indent * 4),
        info=node.token if node.token else repr(node),
        #s=node.token.text if node.token else ''
    )
    if node.children:
        for c in node.children:
            walk(c, indent=indent + 1)


walk(p.tree)