Class: Treetop::Compiler::Sequence

### Home Classes Methods

### In Files

- lib/treetop/compiler/node_classes/sequence.rb

### Parent

Treetop::Compiler::ParsingExpression

### Methods

- #compile
- #compile_sequence_elements
- #node_class_name
- #sequence_element_accessor_module
- #sequence_element_accessor_module_name

### Class/Module Index

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- Treetop::Compiler::Optional
- Treetop::Compiler::ParenthesizedExpression
- Treetop::Compiler::ParsingExpression
- Treetop::Compiler::ParsingRule
- Treetop::Compiler::Predicate
- Treetop::Compiler::PredicateBlock
- Treetop::Compiler::Repetition
- Treetop::Compiler::RubyBuilder
- Treetop::Compiler::Sequence
- Treetop::Compiler::SequenceElementAccessorModule
- Treetop::Compiler::Terminal
- Treetop::Compiler::TransientPrefix
- Treetop::Compiler::TreetopFile
- Treetop::Compiler::ZeroOrMore
- Treetop::Polyglot
- Treetop::Runtime
- Treetop::Runtime::CompiledParser
- Treetop::Runtime::SyntaxNode
- Treetop::Runtime::TerminalParseFailure
- Treetop::Runtime::TerminalSyntaxNode
- IntervalSkipList
- IntervalSkipList::HeadNode
- IntervalSkipList::Node
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No matching classes.

# Treetop::Compiler::Sequence

### Public Instance Methods

compile(address, builder, parent_expression = nil) click to toggle source

    # File lib/treetop/compiler/node_classes/sequence.rb, line 4
    def compile(address, builder, parent_expression = nil)
      super
      begin_comment(self)
      use_vars :result, :start_index, :accumulator
      compile_sequence_elements(sequence_elements)
      builder.if__ "#{accumulator_var}.last" do
        assign_result "instantiate_node(#{node_class_name},input, #{start_index_var}...index, #{accumulator_var})"
        extend_result sequence_element_accessor_module_name if sequence_element_accessor_module_name
        extend_result_with_inline_module
      end
      builder.else_ do
        reset_index
        assign_failure start_index_var
      end
      end_comment(self)
    end

compile_sequence_elements(elements) click to toggle source

    # File lib/treetop/compiler/node_classes/sequence.rb, line 25
    def compile_sequence_elements(elements)
      obtain_new_subexpression_address
      elements.first.compile(subexpression_address, builder)
      accumulate_subexpression_result
      if elements.size > 1
        builder.if_ subexpression_success? do
          compile_sequence_elements(elements[1..-1])
        end
      end
    end

node_class_name() click to toggle source

    # File lib/treetop/compiler/node_classes/sequence.rb, line 21
    def node_class_name
      node_class_declarations.node_class_name || 'SyntaxNode'
    end

sequence_element_accessor_module() click to toggle source

    # File lib/treetop/compiler/node_classes/sequence.rb, line 36
    def sequence_element_accessor_module
      @sequence_element_accessor_module ||= SequenceElementAccessorModule.new(sequence_elements)
    end

sequence_element_accessor_module_name() click to toggle source

    # File lib/treetop/compiler/node_classes/sequence.rb, line 40
    def sequence_element_accessor_module_name
      sequence_element_accessor_module.module_name
    end

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