def parse_float(this, args):
from js.runistr import encode_unicode_utf8
from js.constants import num_lit_rexp
string = get_arg(args, 0)
input_string = string.to_string()
trimmed_string = _strip(input_string)
str_trimmed_string = encode_unicode_utf8(trimmed_string)
match_data = num_lit_rexp.match(str_trimmed_string)
if match_data is not None:
number_string = match_data.group()
else:
number_string = ''
if number_string == 'Infinity' or number_string == '+Infinity':
return INFINITY
elif number_string == '-Infinity':
return -INFINITY
try:
number = float(number_string)
return number
except ValueError:
pass
return NAN
def parse_float(this, args):
from js.runistr import encode_unicode_utf8
from js.constants import num_lit_rexp
string = get_arg(args, 0)
input_string = string.to_string()
trimmed_string = _strip(input_string)
str_trimmed_string = encode_unicode_utf8(trimmed_string)
match_data = num_lit_rexp.match(str_trimmed_string)
if match_data is not None:
number_string = match_data.group()
else:
number_string = ''
if number_string == 'Infinity' or number_string == '+Infinity':
return INFINITY
elif number_string == '-Infinity':
return -INFINITY
try:
number = float(number_string)
return number
except ValueError:
pass
return NAN
def parse_to_ast(code):
#assert isinstance(code, unicode)
from js.jsparser import parse
from js.runistr import encode_unicode_utf8
src = encode_unicode_utf8(code)
parse_tree = parse(src)
ast = parse_tree_to_ast(parse_tree)
return ast
def printjs(this, args):
if len(args) == 0:
return
from rpython.rlib.rstring import UnicodeBuilder
from js.runistr import encode_unicode_utf8
builder = UnicodeBuilder()
for arg in args[:-1]:
builder.append(arg.to_string())
builder.append(u',')
builder.append(args[-1].to_string())
u_print_str = builder.build()
print_str = encode_unicode_utf8(u_print_str)
print(print_str)
def printjs(this, args):
if len(args) == 0:
return
from rpython.rlib.rstring import UnicodeBuilder
from js.runistr import encode_unicode_utf8
builder = UnicodeBuilder()
for arg in args[:-1]:
builder.append(arg.to_string())
builder.append(u',')
builder.append(args[-1].to_string())
u_print_str = builder.build()
print_str = encode_unicode_utf8(u_print_str)
print(print_str)
def ToNumber(self):
from js.builtins.js_global import _strip
from js.runistr import encode_unicode_utf8
from js.constants import hex_rexp, oct_rexp, num_rexp
u_strval = self._strval_
u_strval = _strip(u_strval)
s = encode_unicode_utf8(u_strval)
if s == '':
return 0.0
match_data = num_rexp.match(s)
if match_data is not None:
num_lit = match_data.group()
assert num_lit is not None
assert isinstance(num_lit, str)
if num_lit == 'Infinity' or num_lit == '+Infinity':
return INFINITY
elif num_lit == '-Infinity':
return -INFINITY
return float(num_lit)
from js.builtins.js_global import _parse_int
match_data = hex_rexp.match(s)
if match_data is not None:
hex_lit = match_data.group(1)
assert hex_lit is not None
assert hex_lit.startswith('0x') is False
assert hex_lit.startswith('0X') is False
return float(_parse_int(unicode(hex_lit), 16))
match_data = oct_rexp.match(s)
if match_data is not None:
oct_lit = match_data.group(1)
assert oct_lit is not None
return float(_parse_int(unicode(oct_lit), 8))
return NAN
def printmessage(msg):
from js.runistr import encode_unicode_utf8
os.write(1, encode_unicode_utf8(msg))
def printmessage(msg):
from js.runistr import encode_unicode_utf8
os.write(1, encode_unicode_utf8(msg))