Module: Murlsh::SearchGrammar

Includes:
Treetop::Runtime
Included in:
SearchGrammarParser
Defined in:
lib/murlsh/search_grammar.rb

Defined Under Namespace

Modules: Query0, QuotedString0, QuotedString1, String0, Whitespace0

Instance Method Summary collapse

Instance Method Details

#_nt_query ⇒ Object 



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# File 'lib/murlsh/search_grammar.rb', line 17

def _nt_query
  start_index = index
  if node_cache[:query].has_key?(index)
    cached = node_cache[:query][index]
    if cached
      cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  s0, i0 = [], index
  loop do
    i1 = index
    r2 = _nt_quoted_string
    if r2
      r1 = r2
    else
      r3 = _nt_whitespace
      if r3
        r1 = r3
      else
        r4 = _nt_string
        if r4
          r1 = r4
        else
          @index = i1
          r1 = nil
        end
      end
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
  r0.extend(Query0)

  node_cache[:query][start_index] = r0

  r0
end

#_nt_quoted_string ⇒ Object 



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# File 'lib/murlsh/search_grammar.rb', line 72

def _nt_quoted_string
  start_index = index
  if node_cache[:quoted_string].has_key?(index)
    cached = node_cache[:quoted_string][index]
    if cached
      cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if has_terminal?('"', false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure('"')
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      if has_terminal?('\G[^"]', true, index)
        r3 = true
        @index += 1
      else
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    s0 << r2
    if r2
      if has_terminal?('"', false, index)
        r4 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure('"')
        r4 = nil
      end
      s0 << r4
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(QuotedString0)
    r0.extend(QuotedString1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:quoted_string][start_index] = r0

  r0
end

#_nt_string ⇒ Object 



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# File 'lib/murlsh/search_grammar.rb', line 180

def _nt_string
  start_index = index
  if node_cache[:string].has_key?(index)
    cached = node_cache[:string][index]
    if cached
      cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  s0, i0 = [], index
  loop do
    if has_terminal?('\G[^\\s]', true, index)
      r1 = true
      @index += 1
    else
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    @index = i0
    r0 = nil
  else
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(String0)
  end

  node_cache[:string][start_index] = r0

  r0
end

#_nt_whitespace ⇒ Object 



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# File 'lib/murlsh/search_grammar.rb', line 138

def _nt_whitespace
  start_index = index
  if node_cache[:whitespace].has_key?(index)
    cached = node_cache[:whitespace][index]
    if cached
      cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  s0, i0 = [], index
  loop do
    if has_terminal?('\G[\\s]', true, index)
      r1 = true
      @index += 1
    else
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    @index = i0
    r0 = nil
  else
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Whitespace0)
  end

  node_cache[:whitespace][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/murlsh/search_grammar.rb', line 9

def root
  @root ||= :query
end