You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
833 B
47 lines
833 B
4 months ago
|
#!/usr/bin/ruby
|
||
|
|
# encoding: utf-8
|
||
|
|
|
||
|
|
require 'antlr3/test/functional'
|
||
|
|
|
||
|
|
class TestBug80 < ANTLR3::Test::Functional
|
||
|
|
inline_grammar( <<-'END' )
|
||
|
|
lexer grammar Bug80;
|
||
|
|
options { language = Ruby; }
|
||
|
|
|
||
|
|
ID_LIKE
|
||
|
|
: 'defined'
|
||
|
|
| {false}? Identifier
|
||
|
|
| Identifier
|
||
|
|
;
|
||
|
|
|
||
|
|
fragment
|
||
|
|
// with just 'a', output compiles
|
||
|
|
Identifier: 'a'..'z'+ ;
|
||
|
|
END
|
||
|
|
|
||
|
|
example "um... something" do
|
||
|
|
lexer = Bug80::Lexer.new( 'defined' )
|
||
|
|
tokens = lexer.each { |tk| tk }
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
class TestEOF < ANTLR3::Test::Functional
|
||
|
|
|
||
|
|
inline_grammar( <<-'END' )
|
||
|
|
lexer grammar EndOfFile;
|
||
|
|
|
||
|
|
options {
|
||
|
|
language = Ruby;
|
||
|
|
}
|
||
|
|
|
||
|
|
KEND: EOF;
|
||
|
|
SPACE: ' ';
|
||
|
|
END
|
||
|
|
|
||
|
|
example 'referencing EOF in a rule' do
|
||
|
|
lexer = EndOfFile::Lexer.new( " " )
|
||
|
|
tks = lexer.map { |tk| tk }
|
||
|
|
end
|
||
|
|
end
|