ID_SCOPE_SHIFT     31 id.h           #define ID_SCOPE_SHIFT RUBY_ID_SCOPE_SHIFT
ID_SCOPE_SHIFT    168 id.h           #define TOKEN2LOCALID(n) id##n = ((t##n<<ID_SCOPE_SHIFT)|ID_LOCAL|ID_STATIC_SYM)
ID_SCOPE_SHIFT    213 id.h           #define TOKEN2GLOBALID(n) id##n = ((t##n<<ID_SCOPE_SHIFT)|ID_GLOBAL|ID_STATIC_SYM)
ID_SCOPE_SHIFT    217 id.h           idLAST_OP_ID = tLAST_OP_ID >> ID_SCOPE_SHIFT