mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
46 lines
461 B
Text
46 lines
461 B
Text
#
|
|
# yyerror/yyerrok/yyaccept test
|
|
#
|
|
|
|
class A
|
|
rule
|
|
|
|
target: a b c
|
|
|
|
a:
|
|
{
|
|
yyerror
|
|
raise ArgumentError, "yyerror failed"
|
|
}
|
|
| error
|
|
|
|
b:
|
|
{
|
|
yyerrok
|
|
}
|
|
|
|
c:
|
|
{
|
|
yyaccept
|
|
raise ArgumentError, "yyaccept failed"
|
|
}
|
|
|
|
end
|
|
|
|
---- inner
|
|
|
|
def parse
|
|
do_parse
|
|
end
|
|
|
|
def next_token
|
|
[false, '$end']
|
|
end
|
|
|
|
def on_error( *args )
|
|
$stderr.puts "on_error called: args=#{args.inspect}"
|
|
end
|
|
|
|
---- footer
|
|
|
|
A.new.parse
|