59 lines
1.1 KiB
Ruby
59 lines
1.1 KiB
Ruby
require 'hammer/internal'
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require 'hammer/parser'
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require 'hammer/parser_builder'
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# TODO:
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# Probably need to rename this file to 'hammer-parser.rb', so
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# people can use "require 'hammer-parser'" in their code.
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# TODO: Put tests in test/ directory.
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parser = Hammer::Parser.build do
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token 'blah'
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ch 'a'
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choice {
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sequence {
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token 'abc'
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}
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token 'def'
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}
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end
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p parser
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if parser
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p parser.parse 'blahaabcd'
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p parser.parse 'blahadefd'
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p parser.parse 'blahablad'
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p parser.parse 'blaha'
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p parser.parse 'blah'
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end
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parser = Hammer::Parser.build {
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token 'Hello '
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choice {
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token 'Mom'
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token 'Dad'
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}
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token '!'
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}
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p parser.parse 'Hello Mom!'
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parser = Hammer::ParserBuilder.new
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.token('Hello ')
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.choice(Hammer::Parser.token('Mom'), Hammer::Parser.token('Dad'))
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.token('!')
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.build
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p parser.parse 'Hello Mom!'
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h = Hammer::Parser
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parser = h.sequence(h.token('Hello '), h.choice(h.token('Mom'), h.token('Dad')), h.token('!'))
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p parser.parse 'Hello Mom!'
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s = 'blah'
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parser = h.token(s)
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p parser.parse 'BLAH' # => false
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s.upcase!
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p parser.parse 'BLAH' # => false
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