Class: Reggae::Compiler

Inherits:
Object
  • Object
show all
Defined in:
lib/reggae/compiler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Compiler

Returns a new instance of Compiler.



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# File 'lib/reggae/compiler.rb', line 14

def initialize
  puts "Reggae generator #{VERSION}"
  @options={}
end

Instance Attribute Details

#ast ⇒ Object

Returns the value of attribute ast.



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# File 'lib/reggae/compiler.rb', line 12

def ast
  @ast
end

Instance Method Details

#analyze_options(args) ⇒ Object 



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# File 'lib/reggae/compiler.rb', line 19

def analyze_options args
  args << "-h" if args.empty?

  opt_parser = OptionParser.new do |opts|
    opts.banner = "Usage: reggae <filename.sexp>"

    opts.on("-v", "--version", "Prints version") do
      puts VERSION
      abort
    end

    opts.on("-h", "--help", "Prints this help") do
      puts
      puts "Generates an IP-based system, from its memory-map expressed in s-expressions."
      puts
      puts "Author mail: [email protected]"
      puts
      @options[:show_help]=true
      puts opts
      abort
    end

    opts.on("-s", "--system", "Generates a top-level system") do
      @options[:gen_system]=true
    end

    opts.on("-d","Shows VHDL generated in the terminal,during generation") do
      @options[:show_code]=true
    end

    opts.on("-u", "--include_uart", "Generates an UART Master in the system top-level") do
      @options[:include_uart]=true
    end

    opts.on("--gen_ruby", "Generates Ruby code to interact with the system from a PC host") do
      @options[:gen_ruby]=true
    end

    opts.on("-x", "--gen_xdc", "Generates a Xilinx XDC constraint file for Artix7 FPGA (IP only)") do
      @options[:gen_xdc]=true
    end

    opts.on("--from_vivado_hls", "Indicates that the sexp file is generated from VHDL_WRAP tuned for VivadoHLS") do
      @options[:from_vivado_hls]=true
    end
  end

  begin
    opt_parser.parse!(args)
  rescue Exception => e
    puts e
    #puts e.backtrace
    exit
  end
  @filename = ARGV.pop
  $dirname = File.dirname(@filename) if @filename
  unless @filename or @options[:show_help]
    puts "Need to specify a filename to process"
    #exit
  end
end

#compile ⇒ Object 



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# File 'lib/reggae/compiler.rb', line 81

def compile
  if @options.any?
    puts
    puts "running with the following options :"
    pp @options
    puts
  end
  @ast=parse(@filename)
  #pretty_print
  generate_vhdl
end

#generate_vhdl ⇒ Object 



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# File 'lib/reggae/compiler.rb', line 104

def generate_vhdl
  puts "=> generating VHDL..."
  Reggae::VHDLGenerator.new(@options).generate_from(ast)
end

#parse(filename) ⇒ Object 



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# File 'lib/reggae/compiler.rb', line 93

def parse filename
  puts "=> parsing #{filename}"
  $working_dir=Dir.pwd
  @ast=Reggae::Parser.new.parse(filename)
end

#pretty_print ⇒ Object 



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# File 'lib/reggae/compiler.rb', line 99

def pretty_print
  puts "=> pretty print..."
  Reggae::Visitor.new.visit(ast)
end