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Commit 8a420675 authored by eckhart's avatar eckhart
Browse files

- added a few remarks to the source code

parent 522259cb
......@@ -109,7 +109,7 @@ def add_parser_guard(parser_func):
# if location has already been visited by the current parser,
# return saved result
if location in parser.visited:
# no history recording in case of meomized results
# no history recording in case of memoized results
return parser.visited[location]
if grammar.history_tracking__:
......@@ -123,7 +123,7 @@ def add_parser_guard(parser_func):
return None, text
parser.recursion_counter[location] += 1
# run original __call__ method
# PARSER CALL: run original __call__ method
node, rest = parser_func(parser, text)
if grammar.left_recursion_handling__:
......@@ -151,9 +151,11 @@ def add_parser_guard(parser_func):
# because caching would interfere with changes of variable state
# - in case of left recursion, the first recursive step that
# matches will store its result in the cache
# TODO: need a test concerning interference of variable manipulation and left recursion algorithm?
parser.visited[location] = (node, rest)
# Mind that meomized parser calls will not appear in the history record!
# Mind that memoized parser calls will not appear in the history record!
# Does this make sense? Or should it be changed?
if grammar.history_tracking__:
# don't track returning parsers except in case an error has occurred
# remaining = len(rest)
......
......@@ -206,6 +206,8 @@ class Node(collections.abc.Sized):
"""
Represents a node in the concrete or abstract syntax tree.
TODO: Add some documentation and doc-tests here...
Attributes:
tag_name (str): The name of the node, which is either its
parser's name or, if that is empty, the parser's class name
......
......@@ -237,13 +237,11 @@ class LaTeXGrammar(Grammar):
paragraph = Forward()
tabular_config = Forward()
text_element = Forward()
source_hash__ = "1329c620430169c2cbeff23b05e049c3"
source_hash__ = "840c0f34c77bbbe0433e7691fe68f884"
parser_initialization__ = "upon instantiation"
COMMENT__ = r'%.*'
WHITESPACE__ = r'[ \t]*(?:\n(?![ \t]*\n)[ \t]*)?'
WSP_RE__ = mixin_comment(whitespace=WHITESPACE__, comment=COMMENT__)
wspL__ = ''
wspR__ = WSP_RE__
wsp__ = Whitespace(WSP_RE__)
EOF = RegExp('(?!.)')
BACKSLASH = RegExp('[\\\\]')
......
......@@ -277,13 +277,11 @@ class XMLGrammar(Grammar):
extSubsetDecl = Forward()
ignoreSectContents = Forward()
markupdecl = Forward()
source_hash__ = "8bfb22526aa4f9b2b66e9aba5ffccf06"
source_hash__ = "205ce13682b5d466a39069a1c1c6108b"
parser_initialization__ = "upon instantiation"
COMMENT__ = r''
WHITESPACE__ = r'\s*'
WSP_RE__ = mixin_comment(whitespace=WHITESPACE__, comment=COMMENT__)
wspL__ = ''
wspR__ = ''
wsp__ = Whitespace(WSP_RE__)
EOF = NegativeLookahead(RegExp('.'))
S = RegExp('\\s+')
......
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