Lib.xlwt.ExcelFormulaParser.py Maven / Gradle / Ivy
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... for visual testing and automation
### $ANTLR 2.7.7 (20060930): "xlwt/excel-formula.g" -> "ExcelFormulaParser.py"$
### 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 >>>
import struct
import Utils
from UnicodeUtils import upack1
from ExcelMagic import *
_RVAdelta = {"R": 0, "V": 0x20, "A": 0x40}
_RVAdeltaRef = {"R": 0, "V": 0x20, "A": 0x40, "D": 0x20}
_RVAdeltaArea = {"R": 0, "V": 0x20, "A": 0x40, "D": 0}
class FormulaParseException(Exception):
"""
An exception indicating that a Formula could not be successfully parsed.
"""
### header action <<<
### preamble action>>>
### preamble action <<<
### >>>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
FUNC_IF = 9
FUNC_CHOOSE = 10
NAME = 11
QUOTENAME = 12
EQ = 13
NE = 14
GT = 15
LT = 16
GE = 17
LE = 18
ADD = 19
SUB = 20
MUL = 21
DIV = 22
POWER = 23
PERCENT = 24
LP = 25
RP = 26
LB = 27
RB = 28
COLON = 29
COMMA = 30
SEMICOLON = 31
REF2D = 32
REF2D_R1C1 = 33
BANG = 34
CONCAT = 35
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 = ""
self.sheet_references = []
self.xcall_references = []
### __init__ header action <<<
def formula(self):
pass
self.expr("V")
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
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
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;
# print "**prec1_expr4 %s" % arg_type
else:
break
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
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
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,COMMA,SEMICOLON,CONCAT]:
pass
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
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,FUNC_IF,FUNC_CHOOSE,NAME,QUOTENAME,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())
def primary(self,
arg_type
):
str_tok = None
int_tok = None
num_tok = None
ref2d_tok = None
ref2d1_tok = None
ref2d2_tok = None
ref3d_ref2d = None
ref3d_ref2d2 = 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].replace("\"\"", "\""))
elif la1 and la1 in [NUM_CONST]:
pass
num_tok = self.LT(1)
self.match(NUM_CONST)
self.rpn += struct.pack(" max_argc or arg_count < min_argc:
raise Exception, "%d parameters for function: %s" % (arg_count, func_tok.text)
if xcall:
func_ptg = ptgFuncVarR + _RVAdelta[func_type]
self.rpn += struct.pack("<2BH", func_ptg, arg_count + 1, 255) # 255 is magic XCALL function
elif min_argc == max_argc:
func_ptg = ptgFuncR + _RVAdelta[func_type]
self.rpn += struct.pack("",
"EOF",
"<2>",
"NULL_TREE_LOOKAHEAD",
"TRUE_CONST",
"FALSE_CONST",
"STR_CONST",
"NUM_CONST",
"INT_CONST",
"FUNC_IF",
"FUNC_CHOOSE",
"NAME",
"QUOTENAME",
"EQ",
"NE",
"GT",
"LT",
"GE",
"LE",
"ADD",
"SUB",
"MUL",
"DIV",
"POWER",
"PERCENT",
"LP",
"RP",
"LB",
"RB",
"COLON",
"COMMA",
"SEMICOLON",
"REF2D",
"REF2D_R1C1",
"BANG",
"CONCAT"
]
### generate bit set
def mk_tokenSet_0():
### var1
data = [ 37681618946L, 0L]
return data
_tokenSet_0 = antlr.BitSet(mk_tokenSet_0())