ruby--ruby/template/id.h.tmpl

%#  -*- c -*-
/* DO NOT EDIT THIS FILE DIRECTLY */
/**********************************************************************

  id.h -

  $Author$
  created at: Sun Oct 19 21:12:51 2008

  Copyright (C) 2007 Koichi Sasada

**********************************************************************/
<%
require 'optparse'
vpath = ["."]
input = nil

opt = OptionParser.new do |o|
  o.on('-v', '--vpath=DIR') {|dirs| vpath.concat dirs.split(File::PATH_SEPARATOR)}
  input, = o.order!(ARGV)
end or abort opt.opt_s

tokens = nil
vpath.find do |dir|
  begin
    if line = File.read(File.join(dir, input))[/^\s*enum\s+yytokentype\s*\{([^{}]*)\s*\};/m, 1]
      tokens = line.scan(/\b(t(?:LAST_TOKEN|U(?:PLUS|MINUS)|POW|CMP|EQQ?|[NGL]EQ|(?:AND|OR)OP|N?MATCH|DOT\d|AREF|ASET|[LR]SHFT|LAMBDA)|id\w+)\s*=\s*(\d+),?/m)
    end
  rescue Errno::ENOENT
    nil
  else
    true
  end
end

method_ids = %w[
  Intern
  MethodMissing
  Length
  Size
  Gets
  Succ
  Each
  Lambda
  Send
  __send__
  Initialize
  UScore
  Bitblt
  Answer
]

preserved_ids = %w[
  NULL
  Respond_to
  IFUNC
  CFUNC
  _core_set_method_alias
  _core_set_variable_alias
  _core_undef_method
  _core_define_method
  _core_define_singleton_method
  _core_set_postexe
  _core_hash_from_ary
  _core_hash_merge_ary
  _core_hash_merge_ptr
  _core_hash_merge_kwd
]
%>
#ifndef RUBY_ID_H
#define RUBY_ID_H

#define ID_SCOPE_SHIFT 3
#define ID_SCOPE_MASK 0x07
#define ID_LOCAL      0x00
#define ID_INSTANCE   0x01
#define ID_GLOBAL     0x03
#define ID_ATTRSET    0x04
#define ID_CONST      0x05
#define ID_CLASS      0x06
#define ID_JUNK       0x07
#define ID_INTERNAL   ID_JUNK

#ifdef USE_PARSE_H
#include "parse.h"
#endif

#define symIFUNC ID2SYM(idIFUNC)
#define symCFUNC ID2SYM(idCFUNC)

#if !defined tLAST_TOKEN && defined YYTOKENTYPE
#define tLAST_TOKEN tLAST_TOKEN
#endif

enum ruby_method_ids {
#ifndef tLAST_TOKEN
% tokens.each do |token, value|
    <%=token%> = <%=value%>,
% end
#endif
    idDot2 = tDOT2,
    idDot3 = tDOT3,
    idUPlus = tUPLUS,
    idUMinus = tUMINUS,
    idPow = tPOW,
    idCmp = tCMP,
    idPLUS = '+',
    idMINUS = '-',
    idMULT = '*',
    idDIV = '/',
    idMOD = '%',
    idLT = '<',
    idLTLT = tLSHFT,
    idLE = tLEQ,
    idGT = '>',
    idGE = tGEQ,
    idEq = tEQ,
    idEqq = tEQQ,
    idNeq = tNEQ,
    idNot = '!',
    idBackquote = '`',
    idEqTilde = tMATCH,
    idNeqTilde = tNMATCH,
    idAREF = tAREF,
    idASET = tASET,
    tPRESERVED_ID_BEGIN = tLAST_TOKEN-1,
% preserved_ids.each do |token|
    id<%=token%>,
% end
    tPRESERVED_ID_END,
    tLAST_OP_ID = tPRESERVED_ID_END-1,
    idLAST_OP_ID = tLAST_OP_ID >> ID_SCOPE_SHIFT,
% method_ids.each do |token|
    t<%=token%>,
% end
    tLAST_ID,
#define TOKEN2ID(n) id##n = ((t##n<<ID_SCOPE_SHIFT)|ID_LOCAL)
% method_ids.each do |token|
    TOKEN2ID(<%=token%>),
% end
    TOKEN2ID(LAST_ID)
};

#ifdef tLAST_TOKEN
struct ruby_method_ids_check {
#define ruby_method_id_check_for(name, value) \
    int checking_for_##name[name == (value) ? 1 : -1]
% tokens.map do |token, value|
ruby_method_id_check_for(<%=token%>, <%=value%>);
% end
};
#endif

#endif /* RUBY_ID_H */