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module Treetop
module Compiler
class Grammar < Runtime::SyntaxNode
def compile
builder = RubyBuilder.new
builder.module_declaration "#{grammar_name.text_value}" do
builder.in(indent_level) # account for initial indentation of grammar declaration
builder << "include Treetop::Runtime"
builder.newline
declaration_sequence.compile(builder)
builder.newline
builder.class_declaration "Parser < Treetop::Runtime::CompiledParser" do
builder << "include #{grammar_name.text_value}"
end
end
builder.newline
builder << "#{parser_name} = #{grammar_name.text_value}::Parser"
end
def indent_level
input.column_of(interval.begin) - 1
end
def parser_name
grammar_name.text_value + 'Parser'
end
end
end
end
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