Module: IRPrettyPrinter

Defined in:
lib/jruby_visualizer/ir_pretty_printer.rb

Overview

Retrieve a nicely formatted string from JRuby’s IRScope

Class Method Summary collapse

Class Method Details

.pretty_ir(scope, indent = '') ⇒ Object 



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# File 'lib/jruby_visualizer/ir_pretty_printer.rb', line 23

def self.pretty_ir(scope, indent='')
  instrs = if scope.cfg
    # read instrs from control flow graph
    scope.cfg.sorted_basic_blocks.reduce([]) do |cfg_instrs, bb|
      cfg_instrs += bb.instrs
    end
  else
    # if no pass has been executed get them directly without cfg
    scope.instrs
  end
  pretty_str = instrs.map do |instr|
    f_str = "%s\s\s%s" % [indent, instr]
    f_str
  end
  pretty_str = [indent + scope.to_s] + pretty_str
  scope.lexical_scopes.each do |lex_scope|
    pretty_str += pretty_ir(lex_scope, indent + "\s" * 4)
  end
  pretty_str
end

.pretty_string(scope) ⇒ Object 



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# File 'lib/jruby_visualizer/ir_pretty_printer.rb', line 51

def self.pretty_string(scope)
  instrs = pretty_ir(scope)
  instrs.join("\n")
end

.print_ir(scope) ⇒ Object 



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# File 'lib/jruby_visualizer/ir_pretty_printer.rb', line 44

def self.print_ir(scope)
  instrs = pretty_ir(scope)
  instrs.each do |instr|
    puts instr
  end
end