addtoken -> add_token.

This commit is contained in:
Dave Halter
2017-07-17 08:44:27 +02:00
parent e3f7427c99
commit 1a4539420d

View File

@@ -62,7 +62,7 @@ class PgenParser(object):
p = Parser(grammar, [converter]) # create instance
p.setup([start]) # prepare for parsing
<for each input token>:
if p.addtoken(...): # parse a token
if p.add_token(...): # parse a token
break
root = p.rootnode # root of abstract syntax tree
@@ -75,7 +75,7 @@ class PgenParser(object):
See driver.py for how to get input tokens by tokenizing a file or
string.
Parsing is complete when addtoken() returns True; the root of the
Parsing is complete when add_token() returns True; the root of the
abstract syntax tree can then be retrieved from the rootnode
instance variable. When a syntax error occurs, error_recovery()
is called. There is no error recovery; the parser cannot be used
@@ -125,7 +125,7 @@ class PgenParser(object):
def parse(self, tokens):
for type_, value, start_pos, prefix in tokens:
if self.addtoken(type_, value, start_pos, prefix):
if self.add_token(type_, value, start_pos, prefix):
break
else:
# We never broke out -- EOF is too soon -- Unfinished statement.
@@ -135,7 +135,7 @@ class PgenParser(object):
raise InternalParseError("incomplete input", type_, value, start_pos)
return self.rootnode
def addtoken(self, type_, value, start_pos, prefix):
def add_token(self, type_, value, start_pos, prefix):
"""Add a token; return True if this is the end of the program."""
ilabel = token_to_ilabel(self.grammar, type_, value)
@@ -185,7 +185,7 @@ class PgenParser(object):
raise InternalParseError("too much input", type_, value, start_pos)
else:
self.error_recovery(self.grammar, self.stack, arcs, type_,
value, start_pos, prefix, self.addtoken)
value, start_pos, prefix, self.add_token)
break
def _shift(self, type_, value, newstate, prefix, start_pos):