def target(self):
self.show_rule('target', [['NAME']])
pos = self.mark()
if (True and self.show_index(0, 0)
and (name := self.expect(NAME)) is not None):
self.show_index(0, 0, 1)
return Node('target', [name])
def atom(self):
self.show_rule('atom', [['NAME'], ['NUMBER'], ["'('", 'expr', "')'"]])
pos = self.mark()
if (True and self.show_index(0, 0)
and (name := self.expect(NAME)) is not None):
self.show_index(0, 0, 1)
return Node('atom', [name])
def statement(self):
self.show_rule('statement',
[['if_statement'], ['assignment'], ['expr']])
pos = self.mark()
if (True and self.show_index(0, 0)
and (if_statement := self.if_statement()) is not None):
self.show_index(0, 0, 1)
return Node('statement', [if_statement])
def start(self):
self.show_rule('start', [['expr_stmt*', 'ENDMARKER']])
pos = self.mark()
if (True and self.show_index(0, 0)
and (expr_stmt := self.loop(False, self.expr_stmt)) is not None
and self.show_index(0, 1)
and (endmarker := self.expect(ENDMARKER)) is not None):
self.show_index(0, 0, 2)
return Node('start', [expr_stmt, endmarker])
def start(self):
self.show_rule('start', [['statements', 'ENDMARKER']])
pos = self.mark()
if (True and self.show_index(0, 0)
and (statements := self.statements()) is not None
and self.show_index(0, 1)
and (endmarker := self.expect(ENDMARKER)) is not None):
self.show_index(0, 0, 2)
return Node('start', [statements, endmarker])
def if_statement(self):
self.show_rule('if_statement', [["'if'", 'expr', "':'", 'statement']])
pos = self.mark()
if (True and self.show_index(0, 0) and self.expect('if') is not None
and self.show_index(0, 1) and (expr := self.expr()) is not None
and self.show_index(0, 2) and self.expect(':') is not None
and self.show_index(0, 3)
and (statement := self.statement()) is not None):
self.show_index(0, 0, 4)
return Node('if_statement', [expr, statement])
def assignment(self):
self.show_rule('assignment', [['target', "'='", 'expr']])
pos = self.mark()
if (True and self.show_index(0, 0)
and (target := self.target()) is not None
and self.show_index(0, 1) and self.expect('=') is not None
and self.show_index(0, 2)
and (expr := self.expr()) is not None):
self.show_index(0, 0, 3)
return Node('assignment', [target, expr])
def expr(self):
self.show_rule(
'*' + 'expr',
[['expr', "'+'", 'term'], ['expr', "'-'", 'term'], ['term']])
pos = self.mark()
if (True and self.show_index(0, 0)
and (expr := self.expr()) is not None
and self.show_index(0, 1) and self.expect('+') is not None
and self.show_index(0, 2)
and (term := self.term()) is not None):
self.show_index(0, 0, 3)
return Node('expr', [expr, term])
def term(self):
self.show_rule(
'*' + 'term',
[['term', "'*'", 'atom'], ['term', "'/'", 'atom'], ['atom']])
pos = self.mark()
if (True and self.show_index(0, 0)
and (term := self.term()) is not None
and self.show_index(0, 1) and self.expect('*') is not None
and self.show_index(0, 2)
and (atom := self.atom()) is not None):
self.show_index(0, 0, 3)
return Node('term', [term, atom])
def statements(self):
self.show_rule(
'statements',
[['statement', 'NEWLINE', 'statements'], ['statement', 'NEWLINE']])
pos = self.mark()
if (True and self.show_index(0, 0)
and (statement := self.statement()) is not None
and self.show_index(0, 1)
and (newline := self.expect(NEWLINE)) is not None
and self.show_index(0, 2)
and (statements := self.statements()) is not None):
self.show_index(0, 0, 3)
return Node('statements', [statement, newline, statements])
pos = self.mark()
if (True and self.show_index(0, 0)
and (statement := self.statement()) is not None
and self.show_index(0, 1)
and (newline := self.expect(NEWLINE)) is not None
and self.show_index(0, 2)
and (statements := self.statements()) is not None):
self.show_index(0, 0, 3)
return Node('statements', [statement, newline, statements])
self.reset(pos)
if (True and self.show_index(1, 0)
and (statement := self.statement()) is not None
and self.show_index(1, 1)
and (newline := self.expect(NEWLINE)) is not None):
self.show_index(1, 0, 2)
return Node('statements', [statement, newline])
self.reset(pos)
self.show_index(0, 0, 0)
return None
@memoize
def statement(self):
self.show_rule('statement',
[['if_statement'], ['assignment'], ['expr']])
pos = self.mark()
if (True and self.show_index(0, 0)
and (if_statement := self.if_statement()) is not None):
self.show_index(0, 0, 1)
return Node('statement', [if_statement])
self.reset(pos)
if (True and self.show_index(1, 0)