Gecko [ klinikpearlcity.com ]

Name	Size	Permission	Date
atn	[ DIR ]	drwxr-xr-x	2026-05-04 18:19
dfa	[ DIR ]	drwxr-xr-x	2026-05-04 18:19
error	[ DIR ]	drwxr-xr-x	2026-05-04 18:19
tree	[ DIR ]	drwxr-xr-x	2026-05-04 18:19
xpath	[ DIR ]	drwxr-xr-x	2026-05-04 18:19
BufferedTokenStream.py	10.53 KB	-rw-r--r--	2026-03-24 06:27
CommonTokenFactory.py	2.06 KB	-rw-r--r--	2026-03-24 06:27
CommonTokenStream.py	2.71 KB	-rw-r--r--	2026-03-24 06:27
FileStream.py	868 B	-rw-r--r--	2026-03-24 06:27
InputStream.py	2.28 KB	-rw-r--r--	2026-03-24 06:27
IntervalSet.py	5.83 KB	-rw-r--r--	2026-03-24 06:27
LL1Analyzer.py	7.57 KB	-rw-r--r--	2026-03-24 06:27
Lexer.py	11.27 KB	-rw-r--r--	2026-03-24 06:27
ListTokenSource.py	5.23 KB	-rw-r--r--	2026-03-24 06:27
Parser.py	22.35 KB	-rw-r--r--	2026-03-24 06:27
ParserInterpreter.py	7.04 KB	-rw-r--r--	2026-03-24 06:27
ParserRuleContext.py	6.6 KB	-rw-r--r--	2026-03-24 06:27
PredictionContext.py	22.94 KB	-rw-r--r--	2026-03-24 06:27
Recognizer.py	5.26 KB	-rw-r--r--	2026-03-24 06:27
RuleContext.py	7.91 KB	-rw-r--r--	2026-03-24 06:27
StdinStream.py	303 B	-rw-r--r--	2026-03-24 06:27
Token.py	5.08 KB	-rw-r--r--	2026-03-24 06:27
TokenStreamRewriter.py	10.08 KB	-rw-r--r--	2026-03-24 06:27
Utils.py	931 B	-rw-r--r--	2026-03-24 06:27
__init__.py	1.1 KB	-rw-r--r--	2026-03-24 06:27
_pygrun.py	6.14 KB	-rw-r--r--	2026-03-24 06:27

Rename

#
# Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
# Use of this file is governed by the BSD 3-clause license that
# can be found in the LICENSE.txt file in the project root.
#

#
#  Vacuum all input from a string and then treat it like a buffer.
#
from antlr4.Token import Token

class InputStream (object):
    __slots__ = ('name', 'strdata', '_index', 'data', '_size')

def __init__(self, data: str):
        self.name = "<empty>"
        self.strdata = data
        self._loadString()

def _loadString(self):
        self._index = 0
        self.data = [ord(c) for c in self.strdata]
        self._size = len(self.data)

@property
    def index(self):
        return self._index

@property
    def size(self):
        return self._size

# Reset the stream so that it's in the same state it was
    #  when the object was created *except* the data array is not
    #  touched.
    #
    def reset(self):
        self._index = 0

def consume(self):
        if self._index >= self._size:
            assert self.LA(1) == Token.EOF
            raise Exception("cannot consume EOF")
        self._index += 1

def LA(self, offset: int):
        if offset==0:
            return 0 # undefined
        if offset<0:
            offset += 1 # e.g., translate LA(-1) to use offset=0
        pos = self._index + offset - 1
        if pos < 0 or pos >= self._size: # invalid
            return Token.EOF
        return self.data[pos]

def LT(self, offset: int):
        return self.LA(offset)

# mark/release do nothing; we have entire buffer
    def mark(self):
        return -1

def release(self, marker: int):
        pass

# consume() ahead until p==_index; can't just set p=_index as we must
    # update line and column. If we seek backwards, just set p
    #
    def seek(self, _index: int):
        if _index<=self._index:
            self._index = _index # just jump; don't update stream state (line, ...)
            return
        # seek forward
        self._index = min(_index, self._size)

def getText(self, start :int, stop: int):
        if stop >= self._size:
            stop = self._size-1
        if start >= self._size:
            return ""
        else:
            return self.strdata[start:stop+1]

def __str__(self):
        return self.strdata