add_asm('%s_START:' %inst_id)
traverse_instruction(block)
cmp_op = traverse_condition(pred)
add_asm('%s %s_END' %(op_to_cmd[cmp_op], inst_id))
add_asm('jmp %s_START' %inst_id)
add_asm('%s_END:' %inst_id)
leave_block()
def traverse_condition(pred):
cmp_op, e1, e2 = pred
traverse_expression(e1)
traverse_expression(e2)
add_cmp_asm('cmpq')
return cmp_op
if __name__ == '__main__':
parser = cparse.parser
s = remove_blank(remove_comment(sys.stdin.read()))
asts = parser.parse(s)
enter_block('global')
map(traverse_ast, asts)
if_call_cat()
if_exist_string()
add_str_literal_asm()
leave_block()
print '\n'.join(instructions)
def p_argument_expression_list_2(t):
'''argument_expression_list : argument_expression_list COMMA expression'''
t[0] = t[1] + [t[3]]
# constant:
def p_constant(t):
'''constant : ICONST'''
t[0] = 'ICONST',t[1]
def p_constant_1(t):
'''constant : FCONST'''
t[0] = 'FCONST',t[1]
def p_error(t):
if t:
print("Syntax error at token", t)
# Just discard the token and tell the parser it's okay.
parser.errok()
else:
print("Syntax error at EOF")
parser = yacc.yacc(method='LALR')
if __name__ == '__main__':
s = sys.stdin.read()
s = remove_blank(remove_comment(s))
print s
pp.pprint(parser.parse(s))
'''constant : ICONST'''
t[0] = 'ICONST', t[1]
def p_constant_1(t):
'''constant : FCONST'''
t[0] = 'FCONST', t[1]
# def p_empty(t):
# 'empty : '
# t[0] = None
def p_error(t):
# print "Whoa, We're hosed"
if t:
print("Syntax error at token", t[0])
# Just discard the token and tell the parser it's okay.
parser.errok()
else:
print("Syntax error at EOF")
parser = yacc.yacc(method='LALR')
if __name__ == '__main__':
s = sys.stdin.read()
s = remove_blank(remove_comment(s))
pp.pprint(parser.parse(s))