/usr/lib/python2.7/dist-packages/stringtemplate3/language/InterfaceParser.py is in python-stringtemplate3 3.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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### 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 >>>
#
# [The "BSD licence"]
# Copyright (c) 2003-2004 Terence Parr
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
import sys
import traceback
from stringtemplate3.language.FormalArgument import FormalArgument
### 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
LITERAL_interface = 4
ID = 5
SEMI = 6
LITERAL_optional = 7
LPAREN = 8
RPAREN = 9
COMMA = 10
COLON = 11
SL_COMMENT = 12
ML_COMMENT = 13
WS = 14
###/** Match an ST group interface. Just a list of template names with args.
### * Here is a sample interface file:
### *
### * interface nfa;
### * nfa(states,edges);
### * optional state(name);
### */
class Parser(antlr.LLkParser):
### user action >>>
def reportError(self, e):
if self.group_:
self.group_.error("template group interface parse error", e)
else:
sys.stderr.write("template group interface parse error: " + str(e) + '\n')
traceback.print_exc()
### user action <<<
def __init__(self, *args, **kwargs):
antlr.LLkParser.__init__(self, *args, **kwargs)
self.tokenNames = _tokenNames
### __init__ header action >>>
self.groupI = None
### __init__ header action <<<
def groupInterface(self,
groupI
):
name = None
self.groupI = groupI
try: ## for error handling
pass
self.match(LITERAL_interface)
name = self.LT(1)
self.match(ID)
groupI.name = name.getText()
self.match(SEMI)
_cnt3= 0
while True:
if (self.LA(1)==ID or self.LA(1)==LITERAL_optional):
pass
self.template(groupI)
else:
break
_cnt3 += 1
if _cnt3 < 1:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
except antlr.RecognitionException, ex:
self.reportError(ex)
self.consume()
self.consumeUntil(_tokenSet_0)
def template(self,
groupI
):
opt = None
name = None
formalArgs = {} # leave blank if no args
templateName = None
try: ## for error handling
pass
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [LITERAL_optional]:
pass
opt = self.LT(1)
self.match(LITERAL_optional)
elif la1 and la1 in [ID]:
pass
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
name = self.LT(1)
self.match(ID)
self.match(LPAREN)
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [ID]:
pass
formalArgs=self.args()
elif la1 and la1 in [RPAREN]:
pass
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
self.match(RPAREN)
self.match(SEMI)
templateName = name.getText()
groupI.defineTemplate(templateName, formalArgs, opt != None)
except antlr.RecognitionException, ex:
self.reportError(ex)
self.consume()
self.consumeUntil(_tokenSet_1)
def args(self):
args={}
a = None
b = None
try: ## for error handling
pass
a = self.LT(1)
self.match(ID)
args[a.getText()] = FormalArgument(a.getText())
while True:
if (self.LA(1)==COMMA):
pass
self.match(COMMA)
b = self.LT(1)
self.match(ID)
args[b.getText()] = FormalArgument(b.getText())
else:
break
except antlr.RecognitionException, ex:
self.reportError(ex)
self.consume()
self.consumeUntil(_tokenSet_2)
return args
_tokenNames = [
"<0>",
"EOF",
"<2>",
"NULL_TREE_LOOKAHEAD",
"\"interface\"",
"ID",
"SEMI",
"\"optional\"",
"LPAREN",
"RPAREN",
"COMMA",
"COLON",
"SL_COMMENT",
"ML_COMMENT",
"WS"
]
### generate bit set
def mk_tokenSet_0():
### var1
data = [ 2L, 0L]
return data
_tokenSet_0 = antlr.BitSet(mk_tokenSet_0())
### generate bit set
def mk_tokenSet_1():
### var1
data = [ 162L, 0L]
return data
_tokenSet_1 = antlr.BitSet(mk_tokenSet_1())
### generate bit set
def mk_tokenSet_2():
### var1
data = [ 512L, 0L]
return data
_tokenSet_2 = antlr.BitSet(mk_tokenSet_2())
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