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 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 "+unicode(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"+unicode(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(u"factor: "+unicode(ptok) + u" / "+ unicode(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"+unicode(ptok));
elif ( ptok.kind == EzhilToken.LCURLBRACE ):
val=None
raise ParseException("dictionary indexing implemented"+unicode(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 "+unicode(tok))
self.dbg_msg( u"factor-returning: "+unicode(val) )
return val
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 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
