def ezhil_file_parse_eval(file_input, redirectop, debug):
""" runs as a separate process with own memory space, pid etc, with @file_input, @debug values,
the output is written out into a file named, "ezhil_$PID.out". Calling process is responsible to
cleanup the cruft. Note file_input can be a string version of a program to be evaluated if it is
enclosed properly in a list format
"""
if (redirectop):
sys.stdout = open(
EzhilRedirectOutput.pidFileName(current_process().pid), "w")
sys.stderr = sys.stdout
lexer = EzhilLex(file_input, debug)
if (debug): lexer.dump_tokens()
parse_eval = EzhilInterpreter(lexer, debug)
web_ast = parse_eval.parse()
if (debug):
print(web_ast)
if (debug):
print("*" * 60)
print(str(parse_eval))
exit_code = 0
try:
env = parse_eval.evaluate()
except Exception as e:
exit_code = -1
print str(e)
finally:
if (redirectop):
# cerrar - முடி
sys.stdout.flush()
sys.stderr.flush()
sys.stdout.close()
return exit_code
def __init__(self, src_file):
""" @styler uses a Wiki/HTML/LaTeX output formatter, with a color theme
specificied by @theme to render the text into the appropriate format"""
Visitor.__init__(self)
self.styler = WikiStyle.wrap_msg
self.theme = XsyTheme()
self.lexer = EzhilLex(src_file)
#print self.lexer.comments.keys()
self.output = []
self.line = 1 #current line
self.NEWLINE = "<BR />\n"
def __init__(self, file_input, debug=False, redirectop=False):
EzhilRedirectInputOutput.__init__(self, file_input, redirectop)
try:
lang = "எழில்"
lexer = EzhilLex(debug)
if (debug): print(str(lexer))
parse_eval = EzhilInterpreter(lexer, debug)
ezhil_file_REPL(file_input, lang, lexer, parse_eval, debug)
except Exception as e:
print("exception ", str(e))
raise e
finally:
if (redirectop):
self.tmpf.close()
sys.stdout = self.old_stdout
sys.stderr = self.old_stderr
sys.stdin = self.old_stdin
def __init__(self, file_input, debug=False, redirectop=False):
EzhilRedirectInputOutput.__init__(self, file_input, redirectop)
try:
lang = u"எழில்"
lexer = EzhilLex(debug)
if (debug): print(unicode(lexer))
parse_eval = EzhilInterpreter(lexer, debug)
ezhil_file_REPL(file_input, lang, lexer, parse_eval, debug)
except Exception as e:
print(u"exception ", unicode(e))
traceback.print_tb(sys.exc_info()[2])
raise e
finally:
if (redirectop):
#self.tmpf.close()
sys.stdout = self.old_stdout
sys.stderr = self.old_stderr
sys.stdin = self.old_stdin
def __init__(self, file_input, debug=False, redirectop=False):
EzhilRedirectOutput.__init__(self, redirectop)
try:
lexer = EzhilLex(file_input, debug)
if (debug): lexer.dump_tokens()
parse_eval = EzhilInterpreter(lexer, debug)
parse_eval.parse()
if (debug):
print("*" * 60)
print(str(parse_eval))
env = parse_eval.evaluate()
except Exception as e:
print("exception ", str(e))
raise e
finally:
if (redirectop):
self.tmpf.close()
sys.stdout = self.old_stdout
sys.stderr = self.old_stderr
def ezhil_interactive_interpreter(lang=u"எழில்", debug=False):
## interactive interpreter
lexer = EzhilLex(debug)
parse_eval = EzhilInterpreter(lexer, debug)
REPL(lang, lexer, parse_eval, debug)
