def visitParserRuleSpec(self, ctx: ANTLRv4Parser.ParserRuleSpecContext):
# Extract the name and reset subrules before exploring deeper.
name = str(ctx.RULE_REF())
self.last_rule = name
self.subrule_count = 0
# Recurse into the subtree of this rule.
rules = ctx.ruleBlock().accept(self)
self.grammar.add_nonterminal(name, rules)
def enterParserRuleSpec(self, ctx:ANTLRv4Parser.ParserRuleSpecContext):
global lhs
name = str(ctx.RULE_REF())
if ' ' in name:
raise Exception("Rule name with space not handled: " + name)
if mark in name:
raise Exception(("Rule name with '%s' not handled: " % mark) + name)
lhs = name
global first_lhs,add_axiom
if first_lhs and add_axiom:
print("<" + lhs + "> ;")
first_lhs = False
print("# PARSER: " + lhs)
global parser_or_lexer
parser_or_lexer = "parser"
global is_fragment
is_fragment = False
def visitRuleAltList(self, ctx: ANTLRv4Parser.ParserRuleSpecContext):
return tuple(x.accept(self) for x in ctx.labeledAlt())