53 lines
1.0 KiB
Ruby
53 lines
1.0 KiB
Ruby
module RDoc; end
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##
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# A TokenStream is a list of tokens, gathered during the parse of some entity
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# (say a method). Entities populate these streams by being registered with the
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# lexer. Any class can collect tokens by including TokenStream. From the
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# outside, you use such an object by calling the start_collecting_tokens
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# method, followed by calls to add_token and pop_token.
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module RDoc::TokenStream
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##
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# Adds +tokens+ to the collected tokens
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def add_tokens(*tokens)
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tokens.flatten.each { |token| @token_stream << token }
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end
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alias add_token add_tokens
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##
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# Starts collecting tokens
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def collect_tokens
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@token_stream = []
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end
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alias start_collecting_tokens collect_tokens
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##
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# Remove the last token from the collected tokens
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def pop_token
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@token_stream.pop
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end
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##
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# Current token stream
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def token_stream
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@token_stream
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end
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##
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# Returns a string representation of the token stream
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def tokens_to_s
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token_stream.map { |token| token.text }.join ''
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end
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end
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