def ezhil_reverse(*args):
if (len(args) != 1):
raise Exception('One argument alone expected to reverse function')
if (isinstance(args[0], str) or isinstance(args[0], unicode)):
return String(args[0][::-1]) #string-reverse
return list.reverse(args[0])
def line(p):
function = p[1]
if function.gettokentype() == 'SET_INT':
return SetVariable(p[2].value, p[1].value, Integer(p[3].value))
elif function.gettokentype() == 'SET_FLOAT':
return SetVariable(p[2].value, p[1].value, Float(p[3].value))
elif function.gettokentype() == 'SET_CHAR':
return SetVariable(p[2].value, p[1].value, Char(p[3].value))
elif function.gettokentype() == 'SET_STRING':
return SetVariable(p[2].value, p[1].value, String(p[3].value))
elif function.gettokentype() == 'SET_BOOL':
return SetVariable(p[2].value, p[1].value, Bool(p[3].value))
elif function.gettokentype() == 'SET_ARRAY':
type = p[2].gettokentype()
if type == 'SET_INT':
return SetArray(p[4], 0, p[3].value)
elif type == 'SET_FLOAT':
return SetArray(p[4], 0.0, p[3].value)
elif type == 'SET_STRING':
return SetArray(p[4], "a", p[3].value)
def factor(self):
self.dbg_msg("factor")
tok = self.peek()
if tok.kind == Token.LPAREN:
lparen_tok = self.dequeue()
val = self.expr()
if self.dequeue().kind != Token.RPAREN:
raise SyntaxError("Missing Parens")
elif tok.kind == Token.NUMBER:
tok_num = self.dequeue()
[l, c] = tok_num.get_line_col()
val = Number(tok.val, l, c, self.debug)
elif tok.kind == Token.ID:
tok_id = self.dequeue()
[l, c] = tok_id.get_line_col()
val = Identifier(tok.val, l, c, self.debug)
ptok = self.peek()
self.dbg_msg("factor: " + str(ptok) + " / " + str(tok))
if (ptok.kind == Token.LPAREN):
## function call
[l, c] = ptok.get_line_col()
vallist = self.valuelist()
val = ExprCall(val, vallist, l, c, self.debug)
elif (ptok.kind == Token.LSQRBRACE):
## array type
val = None
raise ParseException("arrays not implemented" + str(ptok))
elif tok.kind == Token.STRING:
str_tok = self.dequeue()
[l, c] = str_tok.get_line_col()
val = String(tok.val, l, c, self.debug)
else:
raise ParseException("Expected Number, found something " +
str(tok))
self.dbg_msg("factor-returning: " + str(val))
return val
def SPRINTF(*args):
opstr = Interpreter.SPRINTF_worker(*args)
return String(opstr)
def INPUT(args):
op = (raw_input(args))
if (isinstance(op, int) or isinstance(op, float)):
return Number(0.0 + op)
return String(op)
def RAWINPUT(args):
op = raw_input(args)
return String(op)
def file_read(*args):
assert (len(args) == 1)
assert (hasattr(args[0], 'read'))
return String(args[0].read())
def box_y(p):
return String(p[0].getstr())
def origem(p):
return String(p[0].getstr())
def factor(self):
self.dbg_msg("factor")
tok = self.peek()
if tok.kind == EzhilToken.LPAREN:
lparen_tok = self.dequeue()
val = self.expr()
if self.dequeue().kind != EzhilToken.RPAREN:
raise SyntaxError("Missing Parens " + str(self.last_token()))
elif tok.kind == EzhilToken.NUMBER:
tok_num = self.dequeue()
[l, c] = tok_num.get_line_col()
val = Number(tok.val, l, c, self.debug)
elif tok.kind == EzhilToken.LOGICAL_NOT:
tok_not = self.dequeue()
[l, c] = tok_not.get_line_col()
val = UnaryExpr(self.expr(), tok_not, l, c, self.debug)
self.dbg_msg("completed parsing unary expression" + str(val))
elif tok.kind == EzhilToken.ID:
tok_id = self.dequeue()
[l, c] = tok_id.get_line_col()
val = Identifier(tok.val, l, c, self.debug)
ptok = self.peek()
self.dbg_msg("factor: " + str(ptok) + " / " + str(tok))
if (ptok.kind == EzhilToken.LPAREN):
## function call
[l, c] = ptok.get_line_col()
vallist = self.valuelist()
val = ExprCall(val, vallist, l, c, self.debug)
elif (ptok.kind == EzhilToken.LSQRBRACE):
## indexing a array type variable or ID
[l, c] = ptok.get_line_col()
## replace with a call to __getitem__
exp = self.factor()
if (hasattr(exp, '__getitem__')):
VL2 = ValueList([val, exp[0]], l, c, self.debug)
else:
# when exp is a expression
VL2 = ValueList([val, exp], l, c, self.debug)
val = ExprCall(Identifier("__getitem__", l, c), VL2, l, c,
self.debug)
for itr in range(1, len(exp)):
VL2 = ValueList([val, exp[itr]], l, c, self.debug)
val = ExprCall(Identifier("__getitem__", l, c), VL2, l, c,
self.debug)
#raise ParseException("array indexing implemented"+str(ptok));
elif (ptok.kind == EzhilToken.LCURLBRACE):
val = None
raise ParseException("dictionary indexing implemented" +
str(ptok))
elif tok.kind == EzhilToken.STRING:
str_tok = self.dequeue()
[l, c] = str_tok.get_line_col()
val = String(tok.val, l, c, self.debug)
elif tok.kind in EzhilToken.ADDSUB:
unop = self.dequeue()
[l, c] = unop.get_line_col()
val = Expr(Number(0), unop, self.term(), l, c, self.debug)
elif tok.kind == EzhilToken.LCURLBRACE:
# creating a list/dictionary expression
dict_start = self.dequeue()
val = Dict()
while (True):
if (self.peek().kind == EzhilToken.RCURLBRACE):
break
exprkey = self.expr()
tok_colon = self.match(EzhilToken.COLON)
exprval = self.expr()
val.update({exprkey: exprval})
if self.debug: print(self.peek().__class__, self.peek())
if (self.peek().kind == EzhilToken.RCURLBRACE):
break
else:
assert (self.peek().kind == EzhilToken.COMMA)
self.dequeue()
assert (self.peek().kind == EzhilToken.RCURLBRACE)
list_end = self.dequeue()
elif tok.kind == EzhilToken.LSQRBRACE:
# creating a list/array expression
list_start = self.dequeue()
val = Array()
while (True):
if (self.peek().kind == EzhilToken.RSQRBRACE):
break
exprval = self.expr()
val.append(exprval)
if self.debug: print(self.peek().__class__, self.peek())
if (self.peek().kind == EzhilToken.RSQRBRACE):
break
else:
assert (self.peek().kind == EzhilToken.COMMA)
self.dequeue()
assert (self.peek().kind == EzhilToken.RSQRBRACE)
list_end = self.dequeue()
else:
raise ParseException("Expected Number, found something " +
str(tok))
self.dbg_msg("factor-returning: " + str(val))
return val
def string(p):
return String(p[1])
def expression_string(p):
# p is a list of the pieces matched by the right hand side of the
# rule
return String(str(p[0].getstr()))
def handleString(p):
return String(p[0].value)
def factor(self):
self.dbg_msg("factor")
tok = self.peek()
if tok.kind == EzhilToken.LPAREN:
lparen_tok = self.dequeue()
val = self.expr()
if self.dequeue().kind != EzhilToken.RPAREN:
raise SyntaxError("Missing Parens " + str(self.last_token()))
elif tok.kind == EzhilToken.NUMBER:
tok_num = self.dequeue()
[l, c] = tok_num.get_line_col()
val = Number(tok.val, l, c, self.debug)
elif tok.kind == EzhilToken.LOGICAL_NOT:
tok_not = self.dequeue()
[l, c] = tok_not.get_line_col()
val = UnaryExpr(self.expr(), tok_not, l, c, self.debug)
self.dbg_msg("completed parsing unary expression" + str(val))
elif tok.kind == EzhilToken.ID:
tok_id = self.dequeue()
[l, c] = tok_id.get_line_col()
val = Identifier(tok.val, l, c, self.debug)
ptok = self.peek()
self.dbg_msg("factor: " + str(ptok) + " / " + str(tok))
if (ptok.kind == EzhilToken.LPAREN):
## function call
[l, c] = ptok.get_line_col()
vallist = self.valuelist()
val = ExprCall(val, vallist, l, c, self.debug)
elif (ptok.kind == EzhilToken.LSQRBRACE):
## indexing a array type variable or ID
val = None
raise ParseException("arrays not implemented" + str(ptok))
elif tok.kind == EzhilToken.STRING:
str_tok = self.dequeue()
[l, c] = str_tok.get_line_col()
val = String(tok.val, l, c, self.debug)
elif tok.kind in EzhilToken.ADDSUB:
unop = self.dequeue()
[l, c] = unop.get_line_col()
val = Expr(Number(0), unop, self.term(), l, c, self.debug)
elif tok.kind == EzhilToken.LSQRBRACE:
# creating a list/array expression
list_start = self.dequeue()
val = Array()
while (True):
exprval = self.expr()
val.append(exprval)
if self.debug: print(self.peek().__class__, self.peek())
if (self.peek().kind == EzhilToken.RSQRBRACE):
break
else:
assert (self.peek().kind == EzhilToken.COMMA)
self.dequeue()
assert (self.peek().kind == EzhilToken.RSQRBRACE)
list_end = self.dequeue()
else:
raise ParseException("Expected Number, found something " +
str(tok))
self.dbg_msg("factor-returning: " + str(val))
return val
def sel_col(p):
return String(p[0].getstr())
def string(p):
return String(p[0].value)
def strings(p):
return String(p[0].value[1:-1])