### $ANTLR 2.7.5 (20050128): "excel-formula.g" -> "ExcelFormulaParser.py"$
### import antlr and other modules ..
import sys
import antlr
version = sys.version.split()[0]
if version < '2.2.1':
False = 0
if version < '2.3':
True = not False
### header action >>>
__rev_id__ = """$Id: ExcelFormulaParser.py,v 1.4 2005/08/14 06:40:23 rvk Exp $"""
import struct
import Utils
from UnicodeUtils import upack1
from ExcelMagic import *
### header action <<<
### preamble action>>>
### preamble action <<<
### import antlr.Token
from antlr import Token
### >>>The Known Token Types <<<
SKIP = antlr.SKIP
INVALID_TYPE = antlr.INVALID_TYPE
EOF_TYPE = antlr.EOF_TYPE
EOF = antlr.EOF
NULL_TREE_LOOKAHEAD = antlr.NULL_TREE_LOOKAHEAD
MIN_USER_TYPE = antlr.MIN_USER_TYPE
TRUE_CONST = 4
FALSE_CONST = 5
STR_CONST = 6
NUM_CONST = 7
INT_CONST = 8
NAME = 9
EQ = 10
NE = 11
GT = 12
LT = 13
GE = 14
LE = 15
ADD = 16
SUB = 17
MUL = 18
DIV = 19
POWER = 20
PERCENT = 21
LP = 22
RP = 23
LB = 24
RB = 25
COLON = 26
COMMA = 27
SEMICOLON = 28
CONCAT = 29
REF2D = 30
[docs]class Parser(antlr.LLkParser):
### user action >>>
### user action <<<
def __init__(self, *args, **kwargs):
antlr.LLkParser.__init__(self, *args, **kwargs)
self.tokenNames = _tokenNames
### __init__ header action >>>
self.rpn = ""
### __init__ header action <<<
[docs] def expr(self,
arg_type
):
pass
self.prec0_expr(arg_type)
while True:
if ((self.LA(1) >= EQ and self.LA(1) <= LE)):
pass
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [EQ]:
pass
self.match(EQ)
op = struct.pack('B', ptgEQ)
elif la1 and la1 in [NE]:
pass
self.match(NE)
op = struct.pack('B', ptgNE)
elif la1 and la1 in [GT]:
pass
self.match(GT)
op = struct.pack('B', ptgGT)
elif la1 and la1 in [LT]:
pass
self.match(LT)
op = struct.pack('B', ptgLT)
elif la1 and la1 in [GE]:
pass
self.match(GE)
op = struct.pack('B', ptgGE)
elif la1 and la1 in [LE]:
pass
self.match(LE)
op = struct.pack('B', ptgLE)
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
self.prec0_expr(arg_type)
self.rpn += op
else:
break
[docs] def prec0_expr(self,
arg_type
):
pass
self.prec1_expr(arg_type)
while True:
if (self.LA(1)==CONCAT):
pass
pass
self.match(CONCAT)
op = struct.pack('B', ptgConcat)
self.prec1_expr(arg_type)
self.rpn += op
else:
break
[docs] def prec1_expr(self,
arg_type
):
pass
self.prec2_expr(arg_type)
while True:
if (self.LA(1)==ADD or self.LA(1)==SUB):
pass
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [ADD]:
pass
self.match(ADD)
op = struct.pack('B', ptgAdd)
elif la1 and la1 in [SUB]:
pass
self.match(SUB)
op = struct.pack('B', ptgSub)
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
self.prec2_expr(arg_type)
self.rpn += op
else:
break
[docs] def prec2_expr(self,
arg_type
):
pass
self.prec3_expr(arg_type)
while True:
if (self.LA(1)==MUL or self.LA(1)==DIV):
pass
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [MUL]:
pass
self.match(MUL)
op = struct.pack('B', ptgMul)
elif la1 and la1 in [DIV]:
pass
self.match(DIV)
op = struct.pack('B', ptgDiv)
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
self.prec3_expr(arg_type)
self.rpn += op
else:
break
[docs] def prec3_expr(self,
arg_type
):
pass
self.prec4_expr(arg_type)
while True:
if (self.LA(1)==POWER):
pass
pass
self.match(POWER)
op = struct.pack('B', ptgPower)
self.prec4_expr(arg_type)
self.rpn += op
else:
break
[docs] def prec4_expr(self,
arg_type
):
pass
self.prec5_expr(arg_type)
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [PERCENT]:
pass
self.match(PERCENT)
self.rpn += struct.pack('B', ptgPercent)
elif la1 and la1 in [EOF,EQ,NE,GT,LT,GE,LE,ADD,SUB,MUL,DIV,POWER,RP,SEMICOLON,CONCAT]:
pass
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
[docs] def prec5_expr(self,
arg_type
):
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [TRUE_CONST,FALSE_CONST,STR_CONST,NUM_CONST,INT_CONST,NAME,LP,REF2D]:
pass
self.primary(arg_type)
elif la1 and la1 in [SUB]:
pass
self.match(SUB)
self.primary(arg_type)
self.rpn += struct.pack('B', ptgUminus)
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
[docs] def primary(self,
arg_type
):
str_tok = None
int_tok = None
num_tok = None
ref2d_tok = None
ref2d1_tok = None
ref2d2_tok = None
name_tok = None
func_tok = None
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [TRUE_CONST]:
pass
self.match(TRUE_CONST)
self.rpn += struct.pack("2B", ptgBool, 1)
elif la1 and la1 in [FALSE_CONST]:
pass
self.match(FALSE_CONST)
self.rpn += struct.pack("2B", ptgBool, 0)
elif la1 and la1 in [STR_CONST]:
pass
str_tok = self.LT(1)
self.match(STR_CONST)
self.rpn += struct.pack("B", ptgStr) + upack1(str_tok.text[1:-1])
elif la1 and la1 in [INT_CONST]:
pass
int_tok = self.LT(1)
self.match(INT_CONST)
self.rpn += struct.pack("<BH", ptgInt, int(int_tok.text))
elif la1 and la1 in [NUM_CONST]:
pass
num_tok = self.LT(1)
self.match(NUM_CONST)
self.rpn += struct.pack("<Bd", ptgNum, float(num_tok.text))
elif la1 and la1 in [LP]:
pass
self.match(LP)
self.expr(arg_type)
self.match(RP)
self.rpn += struct.pack("B", ptgParen)
else:
if (self.LA(1)==REF2D) and (_tokenSet_0.member(self.LA(2))):
pass
ref2d_tok = self.LT(1)
self.match(REF2D)
r, c = Utils.cell_to_packed_rowcol(ref2d_tok.text)
if arg_type == "R":
self.rpn += struct.pack("<B2H", ptgRefR, r, c)
else:
self.rpn += struct.pack("<B2H", ptgRefV, r, c)
elif (self.LA(1)==REF2D) and (self.LA(2)==COLON):
pass
ref2d1_tok = self.LT(1)
self.match(REF2D)
self.match(COLON)
ref2d2_tok = self.LT(1)
self.match(REF2D)
r1, c1 = Utils.cell_to_packed_rowcol(ref2d1_tok.text)
r2, c2 = Utils.cell_to_packed_rowcol(ref2d2_tok.text)
if arg_type == "R":
self.rpn += struct.pack("<B4H", ptgAreaR, r1, r2, c1, c2)
else:
self.rpn += struct.pack("<B4H", ptgAreaV, r1, r2, c1, c2)
elif (self.LA(1)==NAME) and (_tokenSet_0.member(self.LA(2))):
pass
name_tok = self.LT(1)
self.match(NAME)
self.rpn += ""
elif (self.LA(1)==NAME) and (self.LA(2)==LP):
pass
func_tok = self.LT(1)
self.match(NAME)
if func_tok.text.upper() in std_func_by_name:
(opcode,
min_argc,
max_argc,
func_type,
arg_type_list,
volatile_func) = std_func_by_name[func_tok.text.upper()]
else:
raise Exception, "unknown function: %s" % func_tok.text
self.match(LP)
arg_count=self.expr_list(arg_type_list, min_argc, max_argc)
self.match(RP)
if arg_count > max_argc or arg_count < min_argc:
raise Exception, "%d parameters for function: %s" % (arg_count, func_tok.text)
if min_argc == max_argc:
if func_type == "V":
func_ptg = ptgFuncV
elif func_type == "R":
func_ptg = ptgFuncR
elif func_type == "A":
func_ptg = ptgFuncA
else:
raise Exception, "wrong function type"
self.rpn += struct.pack("<BH", func_ptg, opcode)
else:
if func_type == "V":
func_ptg = ptgFuncVarV
elif func_type == "R":
func_ptg = ptgFuncVarR
elif func_type == "A":
func_ptg = ptgFuncVarA
else:
raise Exception, "wrong function type"
self.rpn += struct.pack("<2BH", func_ptg, arg_count, opcode)
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
[docs] def expr_list(self,
arg_type_list, min_argc, max_argc
):
arg_cnt = None
arg_cnt = 0
arg_type_list = arg_type_list.split()
arg_type = arg_type_list[arg_cnt]
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [TRUE_CONST,FALSE_CONST,STR_CONST,NUM_CONST,INT_CONST,NAME,SUB,LP,REF2D]:
pass
self.expr(arg_type)
arg_cnt += 1
while True:
if (self.LA(1)==SEMICOLON):
pass
if arg_cnt < len(arg_type_list):
arg_type = arg_type_list[arg_cnt]
else:
arg_type = arg_type_list[-1]
if arg_type == "...":
arg_type = arg_type_list[-2]
self.match(SEMICOLON)
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [TRUE_CONST,FALSE_CONST,STR_CONST,NUM_CONST,INT_CONST,NAME,SUB,LP,REF2D]:
pass
self.expr(arg_type)
elif la1 and la1 in [RP,SEMICOLON]:
pass
self.rpn += struct.pack("B", ptgMissArg)
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
arg_cnt += 1
else:
break
elif la1 and la1 in [RP]:
pass
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
return arg_cnt
_tokenNames = [
"<0>",
"EOF",
"<2>",
"NULL_TREE_LOOKAHEAD",
"TRUE_CONST",
"FALSE_CONST",
"STR_CONST",
"NUM_CONST",
"INT_CONST",
"NAME",
"EQ",
"NE",
"GT",
"LT",
"GE",
"LE",
"ADD",
"SUB",
"MUL",
"DIV",
"POWER",
"PERCENT",
"LP",
"RP",
"LB",
"RB",
"COLON",
"COMMA",
"SEMICOLON",
"CONCAT",
"REF2D"
]
### generate bit set
[docs]def mk_tokenSet_0():
### var1
data = [ 817888258L, 0L]
return data
_tokenSet_0 = antlr.BitSet(mk_tokenSet_0())