20560723383

Committed 28 Dec 2025 10:58PM UTC coverage: 79.074% (+1.7%) from 77.331%

Build # 20560723383

Build Type

Pull #29

github

Committed by

web-flow

Commit Message

Merge 5876e651d into fda099366

Pull Request Pull Request #29: refactor: migrate parser from regex to token-based parser combinator

Run Details

1848 of 2097 new or added lines in 53 files covered. (88.13%)

6 existing lines in 2 files now uncovered.

6643 of 8401 relevant lines covered (79.07%)

908.2 hits per line

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84.0

/lib/t_ruby/parser_combinator/token/token_parser.rb

# frozen_string_literal: true

module TRuby
  module ParserCombinator
    # Base class for token parsers
    class TokenParser
      def parse(tokens, position = 0)
        raise NotImplementedError
      end

      # Sequence: run this parser, then the other
      def >>(other)
        TokenSequence.new(self, other)
      end

      # Alternative: try this parser, if it fails try the other
      def |(other)
        TokenAlternative.new(self, other)
      end

      # Map: transform the result
      def map(&block)
        TokenMap.new(self, block)
      end

      # Many: zero or more repetitions
      def many
        TokenMany.new(self)
      end

      # Many1: one or more repetitions
      def many1
        TokenMany1.new(self)
      end

      # Optional: zero or one
      def optional
        TokenOptional.new(self)
      end

      # Separated by: parse items separated by delimiter
      def sep_by(delimiter)
        TokenSepBy.new(self, delimiter)
      end

      # Separated by 1: at least one item
      def sep_by1(delimiter)
        TokenSepBy1.new(self, delimiter)
      end

      # Skip right: parse both, keep left result
      def <<(other)
        TokenSkipRight.new(self, other)
      end

      # Label: add a descriptive label for error messages
      def label(name)
        TokenLabel.new(self, name)
      end
    end
  end
end

1	# frozen_string_literal: true
2
3	module TRuby	1✔
4	module ParserCombinator	1✔
5	# Base class for token parsers
6	class TokenParser	1✔
7	def parse(tokens, position = 0)	1✔
NEW 8	raise NotImplementedError	×
9	end
10
11	# Sequence: run this parser, then the other
12	def >>(other)	1✔
13	TokenSequence.new(self, other)	24✔
14	end
15
16	# Alternative: try this parser, if it fails try the other
17	def \|(other)	1✔
18	TokenAlternative.new(self, other)	6✔
19	end
20
21	# Map: transform the result
22	def map(&block)	1✔
23	TokenMap.new(self, block)	1✔
24	end
25
26	# Many: zero or more repetitions
27	def many	1✔
28	TokenMany.new(self)	2✔
29	end
30
31	# Many1: one or more repetitions
32	def many1	1✔
NEW 33	TokenMany1.new(self)	×
34	end
35
36	# Optional: zero or one
37	def optional	1✔
38	TokenOptional.new(self)	4✔
39	end
40
41	# Separated by: parse items separated by delimiter
42	def sep_by(delimiter)	1✔
43	TokenSepBy.new(self, delimiter)	3✔
44	end
45
46	# Separated by 1: at least one item
47	def sep_by1(delimiter)	1✔
NEW 48	TokenSepBy1.new(self, delimiter)	×
49	end
50
51	# Skip right: parse both, keep left result
52	def <<(other)	1✔
53	TokenSkipRight.new(self, other)	1✔
54	end
55
56	# Label: add a descriptive label for error messages
57	def label(name)	1✔
NEW 58	TokenLabel.new(self, name)	×
59	end
60	end
61	end
62	end

type-ruby / t-ruby / 20560723383

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