Class: TRuby::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/t_ruby/parser.rb

Overview

Enhanced Parser using Parser Combinator for complex type expressions Maintains backward compatibility with original Parser interface

Direct Known Subclasses

LegacyParser

Constant Summary collapse

VALID_TYPES =

Type names that are recognized as valid

%w[String Integer Boolean Array Hash Symbol void nil].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, use_combinator: true) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/t_ruby/parser.rb', line 12

def initialize(source, use_combinator: true)
  @source = source
  @lines = source.split("\n")
  @use_combinator = use_combinator
  @type_parser = ParserCombinator::TypeParser.new if use_combinator
  @ir_program = nil
end

Instance Attribute Details

#ir_program ⇒ Object (readonly)

Returns the value of attribute ir_program.



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# File 'lib/t_ruby/parser.rb', line 10

def ir_program
  @ir_program
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/t_ruby/parser.rb', line 10

def source
  @source
end

#use_combinator ⇒ Object (readonly)

Returns the value of attribute use_combinator.



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# File 'lib/t_ruby/parser.rb', line 10

def use_combinator
  @use_combinator
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/t_ruby/parser.rb', line 20

def parse
  functions = []
  type_aliases = []
  interfaces = []
  i = 0

  while i < @lines.length
    line = @lines[i]

    # Match type alias definitions
    if line.match?(/^\s*type\s+\w+/)
      alias_info = parse_type_alias(line)
      type_aliases << alias_info if alias_info
    end

    # Match interface definitions
    if line.match?(/^\s*interface\s+\w+/)
      interface_info, next_i = parse_interface(i)
      if interface_info
        interfaces << interface_info
        i = next_i
        next
      end
    end

    # Match function definitions
    if line.match?(/^\s*def\s+\w+/)
      func_info = parse_function_definition(line)
      functions << func_info if func_info
    end

    i += 1
  end

  result = {
    type: :success,
    functions: functions,
    type_aliases: type_aliases,
    interfaces: interfaces
  }

  # Build IR if combinator is enabled
  if @use_combinator
    builder = IR::Builder.new
    @ir_program = builder.build(result, source: @source)
  end

  result
end

#parse_to_ir ⇒ Object

Parse to IR directly (new API)



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# File 'lib/t_ruby/parser.rb', line 71

def parse_to_ir
  parse unless @ir_program
  @ir_program
end

#parse_type(type_string) ⇒ Object

Parse a type expression using combinator (new API)



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# File 'lib/t_ruby/parser.rb', line 77

def parse_type(type_string)
  return nil unless @use_combinator

  result = @type_parser.parse(type_string)
  result[:success] ? result[:type] : nil
end