Module: Optimize::Demo::DisasmNormalizer

Defined in:
lib/optimize/demo/disasm_normalizer.rb

Constant Summary collapse

HEADER_RE = 
/\A==\s+disasm:\s+#<ISeq:(?<label>[^>]+)>/
DROPPED_RE = 
/\A(?:local table|\(catch table|\|\s|\s*$)/
PC_RE = 
/\A\d{4}\s+/
SUFFIX_RE = 
/\s*\(\s*\d+\)\[[A-Za-z]+\]\s*\z/

Class Method Summary collapse

Class Method Details

.normalize(raw) ⇒ Object 



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# File 'lib/optimize/demo/disasm_normalizer.rb', line 14

def normalize(raw)
  out = []
  first_header = true
  raw.each_line do |line|
    line = line.chomp
    if (m = line.match(HEADER_RE))
      if first_header
        first_header = false
        next
      else
        out << "== block: #{m[:label]}"
        next
      end
    end
    next if DROPPED_RE.match?(line)
    stripped = line.sub(PC_RE, "").sub(SUFFIX_RE, "").rstrip
    next if stripped.empty?
    out << stripped
  end
  out.join("\n") + "\n"
end