/usr/lib/python2.7/dist-packages/stringtemplate3/language/TemplateParser.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 >>>
import stringtemplate3
from stringtemplate3.language.ChunkToken import ChunkToken
from stringtemplate3.language.StringRef import StringRef
from stringtemplate3.language.NewlineRef import NewlineRef
### 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 = 4
NEWLINE = 5
ACTION = 6
IF = 7
ELSEIF = 8
ELSE = 9
ENDIF = 10
REGION_REF = 11
REGION_DEF = 12
NL = 13
EXPR = 14
TEMPLATE = 15
IF_EXPR = 16
ESC_CHAR = 17
ESC = 18
HEX = 19
SUBTEMPLATE = 20
NESTED_PARENS = 21
INDENT = 22
COMMENT = 23
###/** A parser used to break up a single template into chunks, text literals
### * and attribute expressions.
### */
class Parser(antlr.LLkParser):
### user action >>>
def reportError(self, e):
group = self.this.group
if group == stringtemplate3.StringTemplate.defaultGroup:
self.this.error("template parse error; template context is "+self.this.enclosingInstanceStackString, e)
else:
self.this.error("template parse error in group "+self.this.group.name+" line "+str(self.this.groupFileLine)+"; template context is "+self.this.enclosingInstanceStackString, e)
### user action <<<
def __init__(self, *args, **kwargs):
antlr.LLkParser.__init__(self, *args, **kwargs)
self.tokenNames = _tokenNames
### __init__ header action >>>
self.this = None
### __init__ header action <<<
def template(self,
this
):
s = None
nl = None
try: ## for error handling
pass
while True:
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [LITERAL]:
pass
s = self.LT(1)
self.match(LITERAL)
this.addChunk(StringRef(this,s.getText()))
elif la1 and la1 in [NEWLINE]:
pass
nl = self.LT(1)
self.match(NEWLINE)
if self.LA(1) != ELSE and self.LA(1) != ENDIF:
this.addChunk(NewlineRef(this,nl.getText()))
elif la1 and la1 in [ACTION,IF,REGION_REF,REGION_DEF]:
pass
self.action(this)
else:
break
except antlr.RecognitionException, ex:
self.reportError(ex)
self.consume()
self.consumeUntil(_tokenSet_0)
def action(self,
this
):
a = None
i = None
ei = None
rr = None
rd = None
try: ## for error handling
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [ACTION]:
pass
a = self.LT(1)
self.match(ACTION)
indent = a.indentation
c = this.parseAction(a.getText())
c.indentation = indent
this.addChunk(c)
elif la1 and la1 in [IF]:
pass
i = self.LT(1)
self.match(IF)
c = this.parseAction(i.getText())
# create and precompile the subtemplate
subtemplate = stringtemplate3.StringTemplate(group=this.group)
subtemplate.enclosingInstance = this
subtemplate.name = i.getText() + "_subtemplate"
this.addChunk(c)
self.template(subtemplate)
if c: c.subtemplate = subtemplate
while True:
if (self.LA(1)==ELSEIF):
pass
ei = self.LT(1)
self.match(ELSEIF)
ec = this.parseAction(ei.getText())
# create and precompile the subtemplate
elseIfSubtemplate = stringtemplate3.StringTemplate(group=this.group)
elseIfSubtemplate.enclosingInstance = this
elseIfSubtemplate.name = ei.getText()+"_subtemplate"
self.template(elseIfSubtemplate)
if c is not None:
c.addElseIfSubtemplate(ec, elseIfSubtemplate)
else:
break
la1 = self.LA(1)
if False:
pass
elif la1 and la1 in [ELSE]:
pass
self.match(ELSE)
# create and precompile the subtemplate
elseSubtemplate = stringtemplate3.StringTemplate(group=this.group)
elseSubtemplate.enclosingInstance = this
elseSubtemplate.name = "else_subtemplate"
self.template(elseSubtemplate)
if c: c.elseSubtemplate = elseSubtemplate
elif la1 and la1 in [ENDIF]:
pass
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
self.match(ENDIF)
elif la1 and la1 in [REGION_REF]:
pass
rr = self.LT(1)
self.match(REGION_REF)
# define implicit template and
# convert <@r()> to <region__enclosingTemplate__r()>
regionName = rr.getText()
mangledRef = None
err = False
# watch out for <@super.r()>; that does NOT def implicit region
# convert to <super.region__enclosingTemplate__r()>
if regionName.startswith("super."):
#System.out.println("super region ref "+regionName);
regionRef = regionName[len("super."):len(regionName)]
templateScope = this.group.getUnMangledTemplateName(this.name)
scopeST = this.group.lookupTemplate(templateScope)
if scopeST is None:
this.group.error("reference to region within undefined template: "+
templateScope)
err = True
if not scopeST.containsRegionName(regionRef):
this.group.error("template "+templateScope+" has no region called "+
regionRef)
err = True
else:
mangledRef = this.group.getMangledRegionName(templateScope, regionRef)
mangledRef = "super." + mangledRef
else:
regionST = this.group.defineImplicitRegionTemplate(this, regionName)
mangledRef = regionST.name
if not err:
# treat as regular action: mangled template include
indent = rr.indentation
c = this.parseAction(mangledRef+"()")
c.indentation = indent
this.addChunk(c)
elif la1 and la1 in [REGION_DEF]:
pass
rd = self.LT(1)
self.match(REGION_DEF)
combinedNameTemplateStr = rd.getText()
indexOfDefSymbol = combinedNameTemplateStr.find("::=")
if indexOfDefSymbol >= 1:
regionName = combinedNameTemplateStr[0:indexOfDefSymbol]
template = combinedNameTemplateStr[indexOfDefSymbol+3:len(combinedNameTemplateStr)]
regionST = this.group.defineRegionTemplate(
this,
regionName,
template,
stringtemplate3.REGION_EMBEDDED
)
# treat as regular action: mangled template include
indent = rd.indentation
c = this.parseAction(regionST.name + "()")
c.indentation = indent
this.addChunk(c)
else:
this.error("embedded region definition screwed up")
else:
raise antlr.NoViableAltException(self.LT(1), self.getFilename())
except antlr.RecognitionException, ex:
self.reportError(ex)
self.consume()
self.consumeUntil(_tokenSet_1)
_tokenNames = [
"<0>",
"EOF",
"<2>",
"NULL_TREE_LOOKAHEAD",
"LITERAL",
"NEWLINE",
"ACTION",
"IF",
"ELSEIF",
"ELSE",
"ENDIF",
"REGION_REF",
"REGION_DEF",
"NL",
"EXPR",
"TEMPLATE",
"IF_EXPR",
"ESC_CHAR",
"ESC",
"HEX",
"SUBTEMPLATE",
"NESTED_PARENS",
"INDENT",
"COMMENT"
]
### generate bit set
def mk_tokenSet_0():
### var1
data = [ 1792L, 0L]
return data
_tokenSet_0 = antlr.BitSet(mk_tokenSet_0())
### generate bit set
def mk_tokenSet_1():
### var1
data = [ 8176L, 0L]
return data
_tokenSet_1 = antlr.BitSet(mk_tokenSet_1())
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