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7735c1f5fe
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59636 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
1226 lines
29 KiB
Ruby
Executable file
1226 lines
29 KiB
Ruby
Executable file
#!./miniruby
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# -*- coding: us-ascii -*-
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#
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# This library is used by insns2vm.rb as part of autogenerating
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# instruction files with .inc extensions like insns.inc and vm.inc.
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require 'erb'
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$:.unshift(File.dirname(__FILE__))
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require 'vpath'
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class RubyVM
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class Instruction
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def initialize name, opes, pops, rets, comm, body, tvars, sp_inc,
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orig = self, defopes = [], type = nil,
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nsc = [], psc = [[], []]
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@name = name
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@opes = opes # [[type, name], ...]
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@pops = pops # [[type, name], ...]
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@rets = rets # [[type, name], ...]
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@comm = comm # {:c => category, :e => en desc, :j => ja desc}
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@body = body # '...'
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@orig = orig
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@defopes = defopes
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@type = type
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@tvars = tvars
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@nextsc = nsc
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@pushsc = psc
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@sc = []
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@unifs = []
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@optimized = []
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@is_sc = false
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@sp_inc = sp_inc
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end
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def add_sc sci
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@sc << sci
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sci.set_sc
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end
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attr_reader :name, :opes, :pops, :rets
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attr_reader :body, :comm
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attr_reader :nextsc, :pushsc
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attr_reader :orig, :defopes, :type
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attr_reader :sc
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attr_reader :unifs, :optimized
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attr_reader :is_sc
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attr_reader :tvars
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attr_reader :sp_inc
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def set_sc
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@is_sc = true
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end
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def add_unif insns
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@unifs << insns
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end
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def add_optimized insn
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@optimized << insn
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end
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def sp_increase_c_expr
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if(pops.any?{|t, v| v == '...'} ||
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rets.any?{|t, v| v == '...'})
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# user definition
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raise "no sp increase definition" if @sp_inc.nil?
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ret = "int inc = 0;\n"
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@opes.each_with_index{|(t, v), i|
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if (t == 'rb_num_t' && ((re = /\b#{v}\b/n) =~ @sp_inc)) ||
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(@defopes.any?{|t, val| re =~ val})
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ret << " int #{v} = FIX2INT(opes[#{i}]);\n"
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elsif (t == 'CALL_INFO' && ((re = /\b#{v}\b/n) =~ @sp_inc))
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ret << " CALL_INFO #{v} = (CALL_INFO)(opes[#{i}]);\n"
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end
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}
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@defopes.each_with_index{|((t, var), val), i|
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if t == 'rb_num_t' && val != '*' && /\b#{var}\b/ =~ @sp_inc
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ret << " #{t} #{var} = #{val};\n"
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end
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}
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ret << " #{@sp_inc};\n"
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ret << " return depth + inc;"
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ret
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else
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"return depth + #{rets.size - pops.size};"
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end
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end
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def inspect
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"#<Instruction:#{@name}>"
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end
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end
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class InstructionsLoader
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def initialize opts = {}
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@insns = []
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@insn_map = {}
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@vpath = opts[:VPATH] || File
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@use_const = opts[:use_const]
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@verbose = opts[:verbose]
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@destdir = opts[:destdir]
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(@vm_opts = load_vm_opts).each {|k, v|
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@vm_opts[k] = opts[k] if opts.key?(k)
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}
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load_insns_def opts[:"insns.def"] || 'insns.def'
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load_opt_operand_def opts[:"opope.def"] || 'defs/opt_operand.def'
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load_insn_unification_def opts[:"unif.def"] || 'defs/opt_insn_unif.def'
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make_stackcaching_insns if vm_opt?('STACK_CACHING')
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end
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attr_reader :vpath
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attr_reader :destdir
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%w[use_const verbose].each do |attr|
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attr_reader attr
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alias_method "#{attr}?", attr
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remove_method attr
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end
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def [](s)
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@insn_map[s.to_s]
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end
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def each
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@insns.each{|insn|
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yield insn
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}
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end
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def size
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@insns.size
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end
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###
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private
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def vm_opt? name
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@vm_opts[name]
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end
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def load_vm_opts file = nil
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file ||= 'vm_opts.h'
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opts = {}
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vpath.open(file) do |f|
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f.grep(/^\#define\s+OPT_([A-Z_]+)\s+(\d+)/) do
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opts[$1] = !$2.to_i.zero?
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end
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end
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opts
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end
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SKIP_COMMENT_PATTERN = Regexp.compile(Regexp.escape('/** ##skip'))
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include Enumerable
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def add_insn insn
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@insns << insn
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@insn_map[insn.name] = insn
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end
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def make_insn name, opes, pops, rets, comm, body, sp_inc
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add_insn Instruction.new(name, opes, pops, rets, comm, body, [], sp_inc)
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end
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# str -> [[type, var], ...]
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def parse_vars line
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raise unless /\((.*?)\)/ =~ line
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vars = $1.split(',')
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vars.map!{|v|
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if /\s*(\S+)\s+(\S+)\s*/ =~ v
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type = $1
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var = $2
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elsif /\s*\.\.\.\s*/ =~ v
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type = var = '...'
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else
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raise
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end
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[type, var]
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}
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vars
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end
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def parse_comment comm
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c = 'others'
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j = ''
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e = ''
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comm.each_line{|line|
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case line
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when /@c (.+)/
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c = $1
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when /@e (.+)/
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e = $1
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when /@e\s*$/
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e = ''
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when /@j (.+)$/
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j = $1
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when /@j\s*$/
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j = ''
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end
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}
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{ :c => c,
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:e => e,
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:j => j,
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}
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end
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def load_insns_def file
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body = insn = opes = pops = rets = nil
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comment = ''
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vpath.open(file) {|f|
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f.instance_variable_set(:@line_no, 0)
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class << f
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def line_no
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@line_no
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end
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def gets
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@line_no += 1
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super
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end
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end
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while line = f.gets
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line.chomp!
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case line
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when SKIP_COMMENT_PATTERN
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while line = f.gets.chomp
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if /\s+\*\/$/ =~ line
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break
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end
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end
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# collect instruction comment
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when /^\/\*\*$/
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while line = f.gets
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if /\s+\*\/\s*$/ =~ line
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break
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else
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comment << line
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end
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end
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# start instruction body
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when /^DEFINE_INSN$/
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insn = f.gets.chomp
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opes = parse_vars(f.gets.chomp)
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pops = parse_vars(f.gets.chomp).reverse
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rets_str = f.gets.chomp
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rets = parse_vars(rets_str).reverse
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comment = parse_comment(comment)
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insn_in = true
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body = ''
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sp_inc = rets_str[%r"//\s*(.+)", 1]
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raise unless /^\{$/ =~ f.gets.chomp
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line_no = f.line_no
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# end instruction body
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when /^\}/
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if insn_in
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body.instance_variable_set(:@line_no, line_no)
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body.instance_variable_set(:@file, f.path)
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insn = make_insn(insn, opes, pops, rets, comment, body, sp_inc)
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insn_in = false
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comment = ''
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end
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else
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if insn_in
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body << line + "\n"
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end
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end
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end
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}
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end
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## opt op
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def load_opt_operand_def file
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vpath.foreach(file) {|line|
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line = line.gsub(/\#.*/, '').strip
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next if line.length == 0
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break if /__END__/ =~ line
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/(\S+)\s+(.+)/ =~ line
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insn = $1
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opts = $2
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add_opt_operand insn, opts.split(/,/).map{|e| e.strip}
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} if file
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end
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def label_escape label
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label.gsub(/\(/, '_O_').
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gsub(/\)/, '_C_').
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gsub(/\*/, '_WC_')
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end
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def add_opt_operand insn_name, opts
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insn = @insn_map[insn_name]
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opes = insn.opes
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if opes.size != opts.size
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raise "operand size mismatch for #{insn.name} (opes: #{opes.size}, opts: #{opts.size})"
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end
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ninsn = insn.name + '_OP_' + opts.map{|e| label_escape(e)}.join('_')
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nopes = []
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defv = []
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opts.each_with_index{|e, i|
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if e == '*'
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nopes << opes[i]
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end
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defv << [opes[i], e]
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}
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make_insn_operand_optimized(insn, ninsn, nopes, defv)
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end
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def make_insn_operand_optimized orig_insn, name, opes, defopes
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comm = orig_insn.comm.dup
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comm[:c] = 'optimize'
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add_insn insn = Instruction.new(
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name, opes, orig_insn.pops, orig_insn.rets, comm,
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orig_insn.body, orig_insn.tvars, orig_insn.sp_inc,
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orig_insn, defopes)
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orig_insn.add_optimized insn
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end
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## insn unif
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def load_insn_unification_def file
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vpath.foreach(file) {|line|
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line = line.gsub(/\#.*/, '').strip
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next if line.length == 0
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break if /__END__/ =~ line
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make_unified_insns line.split.map{|e|
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raise "unknown insn: #{e}" unless @insn_map[e]
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@insn_map[e]
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}
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} if file
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end
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def all_combination sets
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ret = sets.shift.map{|e| [e]}
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sets.each{|set|
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prev = ret
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ret = []
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prev.each{|ary|
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set.each{|e|
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eary = ary.dup
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eary << e
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ret << eary
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}
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}
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}
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ret
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end
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def make_unified_insns insns
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if vm_opt?('UNIFY_ALL_COMBINATION')
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insn_sets = insns.map{|insn|
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[insn] + insn.optimized
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}
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all_combination(insn_sets).each{|insns_set|
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make_unified_insn_each insns_set
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}
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else
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make_unified_insn_each insns
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end
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end
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def mk_private_val vals, i, redef
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vals.dup.map{|v|
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# v[0] : type
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# v[1] : var name
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v = v.dup
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if v[0] != '...'
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redef[v[1]] = v[0]
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v[1] = "#{v[1]}_#{i}"
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end
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v
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}
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end
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def mk_private_val2 vals, i, redef
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vals.dup.map{|v|
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# v[0][0] : type
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# v[0][1] : var name
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# v[1] : default val
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pv = v.dup
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v = pv[0] = pv[0].dup
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if v[0] != '...'
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redef[v[1]] = v[0]
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v[1] = "#{v[1]}_#{i}"
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end
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pv
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}
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end
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def make_unified_insn_each insns
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names = []
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opes = []
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pops = []
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rets = []
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comm = {
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:c => 'optimize',
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:e => 'unified insn',
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:j => 'unified insn',
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}
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body = ''
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passed = []
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tvars = []
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defopes = []
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sp_inc = ''
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insns.each_with_index{|insn, i|
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names << insn.name
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redef_vars = {}
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e_opes = mk_private_val(insn.opes, i, redef_vars)
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e_pops = mk_private_val(insn.pops, i, redef_vars)
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e_rets = mk_private_val(insn.rets, i, redef_vars)
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# ToDo: fix it
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e_defs = mk_private_val2(insn.defopes, i, redef_vars)
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passed_vars = []
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while pvar = e_pops.pop
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rvar = rets.pop
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if rvar
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raise "unsupported unif insn: #{insns.inspect}" if rvar[0] == '...'
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passed_vars << [pvar, rvar]
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tvars << rvar
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else
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e_pops.push pvar
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break
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end
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end
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opes.concat e_opes
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pops.concat e_pops
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rets.concat e_rets
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defopes.concat e_defs
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sp_inc << "#{insn.sp_inc}"
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body << "{ /* unif: #{i} */\n" +
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passed_vars.map{|rpvars|
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pv = rpvars[0]
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rv = rpvars[1]
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"#define #{pv[1]} #{rv[1]}"
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}.join("\n") +
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"\n" +
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redef_vars.map{|v, type|
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"#{type} #{v} = #{v}_#{i};"
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}.join("\n") + "\n"
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if line = insn.body.instance_variable_get(:@line_no)
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file = insn.body.instance_variable_get(:@file)
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body << "#line #{line+1} \"#{file}\"\n"
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body << insn.body
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body << "\n#line __CURRENT_LINE__ \"__CURRENT_FILE__\"\n"
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else
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body << insn.body
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end
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body << redef_vars.keys.map{|v|
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"#{v}_#{i} = #{v};"
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}.join("\n") +
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"\n" +
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passed_vars.map{|rpvars|
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"#undef #{rpvars[0][1]}"
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}.join("\n") +
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"\n}\n"
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}
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tvars_ary = []
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tvars.each{|tvar|
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unless opes.any?{|var|
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var[1] == tvar[1]
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} || defopes.any?{|pvar|
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pvar[0][1] == tvar[1]
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}
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tvars_ary << tvar
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end
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}
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add_insn insn = Instruction.new("UNIFIED_" + names.join('_'),
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opes, pops, rets.reverse, comm, body,
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tvars_ary, sp_inc)
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insn.defopes.replace defopes
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insns[0].add_unif [insn, insns]
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end
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## sc
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SPECIAL_INSN_FOR_SC_AFTER = {
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/\Asend/ => [:a],
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/\Aend/ => [:a],
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/\Ayield/ => [:a],
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/\Aclassdef/ => [:a],
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/\Amoduledef/ => [:a],
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}
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FROM_SC = [[], [:a], [:b], [:a, :b], [:b, :a]]
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def make_stackcaching_insns
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pops = rets = nil
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@insns.dup.each{|insn|
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opops = insn.pops
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orets = insn.rets
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oopes = insn.opes
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ocomm = insn.comm
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oname = insn.name
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after = SPECIAL_INSN_FOR_SC_AFTER.find {|k, v| k =~ oname}
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insns = []
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FROM_SC.each{|from|
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name, pops, rets, pushs1, pushs2, nextsc =
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*calc_stack(insn, from, after, opops, orets)
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make_insn_sc(insn, name, oopes, pops, rets, [pushs1, pushs2], nextsc)
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}
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}
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end
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def make_insn_sc orig_insn, name, opes, pops, rets, pushs, nextsc
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comm = orig_insn.comm.dup
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comm[:c] = 'optimize(sc)'
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scinsn = Instruction.new(
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name, opes, pops, rets, comm,
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orig_insn.body, orig_insn.tvars, orig_insn.sp_inc,
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orig_insn, orig_insn.defopes, :sc, nextsc, pushs)
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add_insn scinsn
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orig_insn.add_sc scinsn
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end
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def self.complement_name st
|
|
"#{st[0] ? st[0] : 'x'}#{st[1] ? st[1] : 'x'}"
|
|
end
|
|
|
|
def add_stack_value st
|
|
len = st.length
|
|
if len == 0
|
|
st[0] = :a
|
|
[nil, :a]
|
|
elsif len == 1
|
|
if st[0] == :a
|
|
st[1] = :b
|
|
else
|
|
st[1] = :a
|
|
end
|
|
[nil, st[1]]
|
|
else
|
|
st[0], st[1] = st[1], st[0]
|
|
[st[1], st[1]]
|
|
end
|
|
end
|
|
|
|
def calc_stack insn, ofrom, oafter, opops, orets
|
|
from = ofrom.dup
|
|
pops = opops.dup
|
|
rets = orets.dup
|
|
rest_scr = ofrom.dup
|
|
|
|
pushs_before = []
|
|
pushs= []
|
|
|
|
pops.each_with_index{|e, i|
|
|
if e[0] == '...'
|
|
pushs_before = from
|
|
from = []
|
|
end
|
|
r = from.pop
|
|
break unless r
|
|
pops[i] = pops[i].dup << r
|
|
}
|
|
|
|
if oafter
|
|
from = oafter
|
|
from.each_with_index{|r, i|
|
|
rets[i] = rets[i].dup << r if rets[i]
|
|
}
|
|
else
|
|
rets = rets.reverse
|
|
rets.each_with_index{|e, i|
|
|
break if e[0] == '...'
|
|
pushed, r = add_stack_value from
|
|
rets[i] = rets[i].dup << r
|
|
if pushed
|
|
if rest_scr.pop
|
|
pushs << pushed
|
|
end
|
|
|
|
if i - 2 >= 0
|
|
rets[i-2].pop
|
|
end
|
|
end
|
|
}
|
|
end
|
|
|
|
if false #|| insn.name =~ /test3/
|
|
p ofrom
|
|
p pops
|
|
p rets
|
|
p pushs_before
|
|
p pushs
|
|
p from
|
|
exit
|
|
end
|
|
|
|
ret = ["#{insn.name}_SC_#{InstructionsLoader.complement_name(ofrom)}_#{complement_name(from)}",
|
|
pops, rets, pushs_before, pushs, from]
|
|
end
|
|
end
|
|
|
|
class SourceCodeGenerator
|
|
def initialize insns
|
|
@insns = insns
|
|
end
|
|
|
|
attr_reader :insns
|
|
|
|
def generate
|
|
raise "should not reach here"
|
|
end
|
|
|
|
def vpath
|
|
@insns.vpath
|
|
end
|
|
|
|
def verbose?
|
|
@insns.verbose?
|
|
end
|
|
|
|
def use_const?
|
|
@insns.use_const?
|
|
end
|
|
|
|
def template(name)
|
|
ERB.new(vpath.read("template/#{name}"), nil, '%-')
|
|
end
|
|
|
|
def build_string
|
|
@lines = []
|
|
yield
|
|
@lines.join("\n")
|
|
end
|
|
|
|
EMPTY_STRING = ''.freeze
|
|
|
|
def commit str = EMPTY_STRING
|
|
@lines << str
|
|
end
|
|
|
|
def comment str
|
|
@lines << str if verbose?
|
|
end
|
|
|
|
def output_path(fn)
|
|
d = @insns.destdir
|
|
fn = File.join(d, fn) if d
|
|
fn
|
|
end
|
|
end
|
|
|
|
###################################################################
|
|
# vm.inc
|
|
class VmBodyGenerator < SourceCodeGenerator
|
|
# vm.inc
|
|
def generate
|
|
template('vm.inc.tmpl').result(binding)
|
|
end
|
|
|
|
def generate_from_insnname insnname
|
|
make_insn_def @insns[insnname.to_s]
|
|
end
|
|
|
|
#######
|
|
private
|
|
|
|
def make_header_prepare_stack insn
|
|
comment " /* prepare stack status */"
|
|
|
|
push_ba = insn.pushsc
|
|
raise "unsupport" if push_ba[0].size > 0 && push_ba[1].size > 0
|
|
|
|
n = 0
|
|
push_ba.each {|pushs| n += pushs.length}
|
|
commit " CHECK_VM_STACK_OVERFLOW_FOR_INSN(VM_REG_CFP, #{n});" if n > 0
|
|
push_ba.each{|pushs|
|
|
pushs.each{|r|
|
|
commit " PUSH(SCREG(#{r}));"
|
|
}
|
|
}
|
|
end
|
|
|
|
def make_header_operands insn
|
|
comment " /* declare and get from iseq */"
|
|
|
|
vars = insn.opes
|
|
n = 0
|
|
ops = []
|
|
|
|
vars.each_with_index{|(type, var), i|
|
|
if type == '...'
|
|
break
|
|
end
|
|
|
|
# skip make operands when body has no reference to this operand
|
|
# TODO: really needed?
|
|
re = /\b#{var}\b/n
|
|
if re =~ insn.body or re =~ insn.sp_inc or insn.rets.any?{|t, v| re =~ v} or re =~ 'ic' or re =~ 'ci' or re =~ 'cc'
|
|
ops << " #{type} #{var} = (#{type})GET_OPERAND(#{i+1});"
|
|
end
|
|
|
|
n += 1
|
|
}
|
|
@opn = n
|
|
|
|
# reverse or not?
|
|
# ops.join
|
|
commit ops.reverse
|
|
end
|
|
|
|
def make_header_default_operands insn
|
|
vars = insn.defopes
|
|
|
|
vars.each{|e|
|
|
next if e[1] == '*'
|
|
if use_const?
|
|
commit " const #{e[0][0]} #{e[0][1]} = #{e[1]};"
|
|
else
|
|
commit " #define #{e[0][1]} #{e[1]}"
|
|
end
|
|
}
|
|
end
|
|
|
|
def make_footer_default_operands insn
|
|
comment " /* declare and initialize default opes */"
|
|
if use_const?
|
|
commit
|
|
else
|
|
vars = insn.defopes
|
|
|
|
vars.each{|e|
|
|
next if e[1] == '*'
|
|
commit "#undef #{e[0][1]}"
|
|
}
|
|
end
|
|
end
|
|
|
|
def make_header_stack_pops insn
|
|
comment " /* declare and pop from stack */"
|
|
|
|
n = 0
|
|
pops = []
|
|
vars = insn.pops
|
|
vars.each_with_index{|iter, i|
|
|
type, var, r = *iter
|
|
if type == '...'
|
|
break
|
|
end
|
|
if r
|
|
pops << " #{type} #{var} = SCREG(#{r});"
|
|
else
|
|
pops << " #{type} #{var} = TOPN(#{n});"
|
|
n += 1
|
|
end
|
|
}
|
|
@popn = n
|
|
|
|
# reverse or not?
|
|
commit pops.reverse
|
|
end
|
|
|
|
def make_header_temporary_vars insn
|
|
comment " /* declare temporary vars */"
|
|
|
|
insn.tvars.each{|var|
|
|
commit " #{var[0]} #{var[1]};"
|
|
}
|
|
end
|
|
|
|
def make_header_stack_val insn
|
|
comment "/* declare stack push val */"
|
|
|
|
vars = insn.opes + insn.pops + insn.defopes.map{|e| e[0]}
|
|
|
|
insn.rets.each{|var|
|
|
if vars.all?{|e| e[1] != var[1]} && var[1] != '...'
|
|
commit " #{var[0]} #{var[1]};"
|
|
end
|
|
}
|
|
end
|
|
|
|
def make_header_analysis insn
|
|
commit " COLLECT_USAGE_INSN(BIN(#{insn.name}));"
|
|
insn.opes.each_with_index{|op, i|
|
|
commit " COLLECT_USAGE_OPERAND(BIN(#{insn.name}), #{i}, #{op[1]});"
|
|
}
|
|
end
|
|
|
|
def make_header_pc insn
|
|
commit " ADD_PC(1+#{@opn});"
|
|
commit " PREFETCH(GET_PC());"
|
|
end
|
|
|
|
def make_header_popn insn
|
|
comment " /* management */"
|
|
commit " POPN(#{@popn});" if @popn > 0
|
|
end
|
|
|
|
def make_header_debug insn
|
|
comment " /* for debug */"
|
|
commit " DEBUG_ENTER_INSN(\"#{insn.name}\");"
|
|
end
|
|
|
|
def make_header_defines insn
|
|
commit " #define CURRENT_INSN_#{insn.name} 1"
|
|
commit " #define INSN_IS_SC() #{insn.sc ? 0 : 1}"
|
|
commit " #define INSN_LABEL(lab) LABEL_#{insn.name}_##lab"
|
|
commit " #define LABEL_IS_SC(lab) LABEL_##lab##_###{insn.sc.size == 0 ? 't' : 'f'}"
|
|
end
|
|
|
|
def each_footer_stack_val insn
|
|
insn.rets.reverse_each{|v|
|
|
break if v[1] == '...'
|
|
yield v
|
|
}
|
|
end
|
|
|
|
def make_footer_stack_val insn
|
|
comment " /* push stack val */"
|
|
|
|
n = 0
|
|
each_footer_stack_val(insn){|v|
|
|
n += 1 unless v[2]
|
|
}
|
|
commit " CHECK_VM_STACK_OVERFLOW_FOR_INSN(VM_REG_CFP, #{n});" if n > 0
|
|
each_footer_stack_val(insn){|v|
|
|
if v[2]
|
|
commit " SCREG(#{v[2]}) = #{v[1]};"
|
|
else
|
|
commit " PUSH(#{v[1]});"
|
|
end
|
|
}
|
|
end
|
|
|
|
def make_footer_undefs insn
|
|
commit "#undef CURRENT_INSN_#{insn.name}"
|
|
commit "#undef INSN_IS_SC"
|
|
commit "#undef INSN_LABEL"
|
|
commit "#undef LABEL_IS_SC"
|
|
end
|
|
|
|
def make_header insn
|
|
commit "INSN_ENTRY(#{insn.name}){"
|
|
make_header_prepare_stack insn
|
|
commit "{"
|
|
make_header_stack_val insn
|
|
make_header_default_operands insn
|
|
make_header_operands insn
|
|
make_header_stack_pops insn
|
|
make_header_temporary_vars insn
|
|
#
|
|
make_header_debug insn
|
|
make_header_pc insn
|
|
make_header_popn insn
|
|
make_header_defines insn
|
|
make_header_analysis insn
|
|
commit "{"
|
|
end
|
|
|
|
def make_footer insn
|
|
make_footer_stack_val insn
|
|
make_footer_default_operands insn
|
|
make_footer_undefs insn
|
|
commit " END_INSN(#{insn.name});}}}"
|
|
end
|
|
|
|
def make_insn_def insn
|
|
build_string do
|
|
make_header insn
|
|
if line = insn.body.instance_variable_get(:@line_no)
|
|
file = insn.body.instance_variable_get(:@file)
|
|
commit "#line #{line+1} \"#{file}\""
|
|
commit insn.body
|
|
commit '#line __CURRENT_LINE__ "__CURRENT_FILE__"'
|
|
else
|
|
commit insn.body
|
|
end
|
|
make_footer(insn)
|
|
end
|
|
end
|
|
end
|
|
|
|
###################################################################
|
|
# vmtc.inc
|
|
class VmTCIncGenerator < SourceCodeGenerator
|
|
def generate
|
|
template('vmtc.inc.tmpl').result(binding)
|
|
end
|
|
end
|
|
|
|
###################################################################
|
|
# insns_info.inc
|
|
class InsnsInfoIncGenerator < SourceCodeGenerator
|
|
def generate
|
|
template('insns_info.inc.tmpl').result(binding)
|
|
end
|
|
|
|
###
|
|
private
|
|
|
|
def op2typesig op
|
|
case op
|
|
when /^OFFSET/
|
|
"TS_OFFSET"
|
|
when /^rb_num_t/
|
|
"TS_NUM"
|
|
when /^lindex_t/
|
|
"TS_LINDEX"
|
|
when /^VALUE/
|
|
"TS_VALUE"
|
|
when /^ID/
|
|
"TS_ID"
|
|
when /GENTRY/
|
|
"TS_GENTRY"
|
|
when /^IC/
|
|
"TS_IC"
|
|
when /^CALL_INFO/
|
|
"TS_CALLINFO"
|
|
when /^CALL_CACHE/
|
|
"TS_CALLCACHE"
|
|
when /^\.\.\./
|
|
"TS_VARIABLE"
|
|
when /^CDHASH/
|
|
"TS_CDHASH"
|
|
when /^ISEQ/
|
|
"TS_ISEQ"
|
|
when /rb_insn_func_t/
|
|
"TS_FUNCPTR"
|
|
else
|
|
raise "unknown op type: #{op}"
|
|
end
|
|
end
|
|
|
|
TYPE_CHARS = {
|
|
'TS_OFFSET' => 'O',
|
|
'TS_NUM' => 'N',
|
|
'TS_LINDEX' => 'L',
|
|
'TS_VALUE' => 'V',
|
|
'TS_ID' => 'I',
|
|
'TS_GENTRY' => 'G',
|
|
'TS_IC' => 'K',
|
|
'TS_CALLINFO' => 'C',
|
|
'TS_CALLCACHE' => 'E',
|
|
'TS_CDHASH' => 'H',
|
|
'TS_ISEQ' => 'S',
|
|
'TS_VARIABLE' => '.',
|
|
'TS_FUNCPTR' => 'F',
|
|
}
|
|
|
|
def max_length(array)
|
|
max = 0
|
|
array.each do |i|
|
|
if (n = i.length) > max
|
|
max = n
|
|
end
|
|
end
|
|
max
|
|
end
|
|
end
|
|
|
|
###################################################################
|
|
# insns.inc
|
|
class InsnsIncGenerator < SourceCodeGenerator
|
|
def generate
|
|
template('insns.inc.tmpl').result(binding)
|
|
end
|
|
end
|
|
|
|
###################################################################
|
|
# minsns.inc
|
|
class MInsnsIncGenerator < SourceCodeGenerator
|
|
def generate
|
|
template('minsns.inc.tmpl').result(binding)
|
|
end
|
|
end
|
|
|
|
###################################################################
|
|
# optinsn.inc
|
|
class OptInsnIncGenerator < SourceCodeGenerator
|
|
def generate
|
|
optinsn_inc
|
|
end
|
|
|
|
###
|
|
private
|
|
|
|
def val_as_type op
|
|
type = op[0][0]
|
|
val = op[1]
|
|
|
|
case type
|
|
when /^long/, /^rb_num_t/, /^lindex_t/
|
|
"INT2FIX(#{val})"
|
|
when /^VALUE/
|
|
val
|
|
when /^ID/
|
|
"INT2FIX(#{val})"
|
|
when /^ISEQ/, /^rb_insn_func_t/
|
|
val
|
|
when /GENTRY/
|
|
raise
|
|
when /^\.\.\./
|
|
raise
|
|
else
|
|
raise "type: #{type}"
|
|
end
|
|
end
|
|
|
|
# optinsn.inc
|
|
def optinsn_inc
|
|
opt_insns_map = Hash.new{[]}
|
|
|
|
@insns.each{|insn|
|
|
next if insn.defopes.size == 0
|
|
next if insn.type == :sc
|
|
next if /^UNIFIED/ =~ insn.name.to_s
|
|
|
|
originsn = insn.orig
|
|
opt_insns_map[originsn] <<= insn
|
|
}
|
|
|
|
opt_insns_map.each_value do |optinsns|
|
|
sorted = optinsns.sort_by {|opti|
|
|
opti.defopes.find_all{|e| e[1] == '*'}.size
|
|
}
|
|
optinsns.replace(sorted)
|
|
end
|
|
|
|
template('optinsn.inc.tmpl').result(binding)
|
|
end
|
|
end
|
|
|
|
###################################################################
|
|
# optunifs.inc
|
|
class OptUnifsIncGenerator < SourceCodeGenerator
|
|
def generate
|
|
template('optunifs.inc.tmpl').result(binding)
|
|
end
|
|
end
|
|
|
|
###################################################################
|
|
# opt_sc.inc
|
|
class OptSCIncGenerator < SourceCodeGenerator
|
|
def generate
|
|
sc_insn_info = []
|
|
@insns.each{|insn|
|
|
insns = insn.sc
|
|
if insns.size > 0
|
|
insns = ['SC_ERROR'] + insns.map{|e| " BIN(#{e.name})"}
|
|
else
|
|
insns = Array.new(6){'SC_ERROR'}
|
|
end
|
|
sc_insn_info << " {\n#{insns.join(",\n")}}"
|
|
}
|
|
sc_insn_info = sc_insn_info.join(",\n")
|
|
|
|
sc_insn_next = @insns.map{|insn|
|
|
" SCS_#{InstructionsLoader.complement_name(insn.nextsc).upcase}" +
|
|
(verbose? ? " /* #{insn.name} */" : '')
|
|
}.join(",\n")
|
|
template('opt_sc.inc.tmpl').result(binding)
|
|
end
|
|
end
|
|
|
|
###################################################################
|
|
# yasmdata.rb
|
|
class YASMDataRbGenerator < SourceCodeGenerator
|
|
def generate
|
|
insn_id2no = ''
|
|
@insns.each_with_index{|insn, i|
|
|
insn_id2no << " :#{insn.name} => #{i},\n"
|
|
}
|
|
template('yasmdata.rb').result(binding)
|
|
end
|
|
end
|
|
|
|
###################################################################
|
|
# yarvarch.*
|
|
class YARVDocGenerator < SourceCodeGenerator
|
|
def generate
|
|
|
|
end
|
|
|
|
def desc lang
|
|
d = ''
|
|
i = 0
|
|
cat = nil
|
|
@insns.each{|insn|
|
|
seq = insn.opes.map{|t,v| v}.join(' ')
|
|
before = insn.pops.reverse.map{|t,v| v}.join(' ')
|
|
after = insn.rets.reverse.map{|t,v| v}.join(' ')
|
|
|
|
if cat != insn.comm[:c]
|
|
d << "** #{insn.comm[:c]}\n\n"
|
|
cat = insn.comm[:c]
|
|
end
|
|
|
|
d << "*** #{insn.name}\n"
|
|
d << "\n"
|
|
d << insn.comm[lang] << "\n\n"
|
|
d << ":instruction sequence: 0x%02x " % i << seq << "\n"
|
|
d << ":stack: #{before} => #{after}\n\n"
|
|
i+=1
|
|
}
|
|
d
|
|
end
|
|
|
|
def desc_ja
|
|
d = desc :j
|
|
template('yarvarch.ja').result(binding)
|
|
end
|
|
|
|
def desc_en
|
|
d = desc :e
|
|
template('yarvarch.en').result(binding)
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|
end
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|
end
|
|
|
|
class SourceCodeGenerator
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|
Files = { # codes
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|
'vm.inc' => VmBodyGenerator,
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|
'vmtc.inc' => VmTCIncGenerator,
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|
'insns.inc' => InsnsIncGenerator,
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|
'insns_info.inc' => InsnsInfoIncGenerator,
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|
# 'minsns.inc' => MInsnsIncGenerator,
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|
'optinsn.inc' => OptInsnIncGenerator,
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|
'optunifs.inc' => OptUnifsIncGenerator,
|
|
'opt_sc.inc' => OptSCIncGenerator,
|
|
'yasmdata.rb' => YASMDataRbGenerator,
|
|
}
|
|
|
|
def generate args = []
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|
args = Files.keys if args.empty?
|
|
args.each{|fn|
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|
s = Files[fn].new(@insns).generate
|
|
open(output_path(fn), 'w') {|f| f.puts(s)}
|
|
}
|
|
end
|
|
|
|
def self.def_options(opt)
|
|
opts = {
|
|
:"insns.def" => 'insns.def',
|
|
:"opope.def" => 'defs/opt_operand.def',
|
|
:"unif.def" => 'defs/opt_insn_unif.def',
|
|
}
|
|
|
|
opt.on("-Dname", /\AOPT_(\w+)\z/, "enable VM option") {|s, v|
|
|
opts[v] = true
|
|
}
|
|
opt.on("--enable=name[,name...]", Array,
|
|
"enable VM options (without OPT_ prefix)") {|*a|
|
|
a.each {|v| opts[v] = true}
|
|
}
|
|
opt.on("-Uname", /\AOPT_(\w+)\z/, "disable VM option") {|s, v|
|
|
opts[v] = false
|
|
}
|
|
opt.on("--disable=name[,name...]", Array,
|
|
"disable VM options (without OPT_ prefix)") {|*a|
|
|
a.each {|v| opts[v] = false}
|
|
}
|
|
opt.on("-i", "--insnsdef=FILE", "--instructions-def",
|
|
"instructions definition file") {|n|
|
|
opts[:insns_def] = n
|
|
}
|
|
opt.on("-o", "--opt-operanddef=FILE", "--opt-operand-def",
|
|
"vm option: operand definition file") {|n|
|
|
opts[:opope_def] = n
|
|
}
|
|
opt.on("-u", "--opt-insnunifdef=FILE", "--opt-insn-unif-def",
|
|
"vm option: instruction unification file") {|n|
|
|
opts[:unif_def] = n
|
|
}
|
|
opt.on("-C", "--[no-]use-const",
|
|
"use consts for default operands instead of macros") {|v|
|
|
opts[:use_const] = v
|
|
}
|
|
opt.on("-d", "--destdir", "--output-directory=DIR",
|
|
"make output file underneath DIR") {|v|
|
|
opts[:destdir] = v
|
|
}
|
|
opt.on("-V", "--[no-]verbose") {|v|
|
|
opts[:verbose] = v
|
|
}
|
|
|
|
vpath = VPath.new
|
|
vpath.def_options(opt)
|
|
|
|
proc {
|
|
opts[:VPATH] = vpath
|
|
build opts
|
|
}
|
|
end
|
|
|
|
def self.build opts, vpath = ['./']
|
|
opts[:VPATH] ||= VPath.new(*vpath)
|
|
self.new InstructionsLoader.new(opts)
|
|
end
|
|
end
|
|
end
|
|
|