--- /dev/null
+#ifdef PEG
+struct T_SRC {
+ char *fl; int ln;
+} T_SRC[NTRANS];
+
+void
+tr_2_src(int m, char *file, int ln)
+{ T_SRC[m].fl = file;
+ T_SRC[m].ln = ln;
+}
+
+void
+putpeg(int n, int m)
+{ printf("%5d trans %4d ", m, n);
+ printf("file %s line %3d\n",
+ T_SRC[n].fl, T_SRC[n].ln);
+}
+#endif
+
+void
+settable(void)
+{ Trans *T;
+ Trans *settr(int, int, int, int, int, char *, int, int, int);
+
+ trans = (Trans ***) emalloc(7*sizeof(Trans **));
+
+ /* proctype 5: :never: */
+
+ trans[5] = (Trans **) emalloc(9*sizeof(Trans *));
+
+ T = trans[5][5] = settr(167,0,0,0,0,"IF", 0, 2, 0);
+ T = T->nxt = settr(167,0,1,0,0,"IF", 0, 2, 0);
+ T->nxt = settr(167,0,3,0,0,"IF", 0, 2, 0);
+ trans[5][1] = settr(163,0,7,3,0,"((((4+1)<=8)&&(events_lost!=0)))", 1, 2, 0);
+ trans[5][2] = settr(164,0,7,1,0,"goto accept_all", 0, 2, 0);
+ trans[5][6] = settr(168,0,7,1,0,".(goto)", 0, 2, 0);
+ trans[5][3] = settr(165,0,5,1,0,"(1)", 0, 2, 0);
+ trans[5][4] = settr(166,0,5,1,0,"goto T0_init", 0, 2, 0);
+ trans[5][7] = settr(169,0,8,1,0,"(1)", 0, 2, 0);
+ trans[5][8] = settr(170,0,0,4,4,"-end-", 0, 3500, 0);
+
+ /* proctype 4: :init: */
+
+ trans[4] = (Trans **) emalloc(44*sizeof(Trans *));
+
+ T = trans[ 4][42] = settr(161,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(161,2,1,0,0,"ATOMIC", 1, 2, 0);
+ trans[4][1] = settr(120,2,7,5,5,"i = 0", 1, 2, 0);
+ trans[4][8] = settr(127,2,7,1,0,".(goto)", 1, 2, 0);
+ T = trans[4][7] = settr(126,2,0,0,0,"DO", 1, 2, 0);
+ T = T->nxt = settr(126,2,2,0,0,"DO", 1, 2, 0);
+ T->nxt = settr(126,2,5,0,0,"DO", 1, 2, 0);
+ trans[4][2] = settr(121,2,7,6,6,"((i<2))", 1, 2, 0); /* m: 3 -> 7,0 */
+ reached4[3] = 1;
+ trans[4][3] = settr(0,0,0,0,0,"commit_count[i] = 0",0,0,0);
+ trans[4][4] = settr(0,0,0,0,0,"i = (i+1)",0,0,0);
+ trans[4][5] = settr(124,2,17,7,7,"((i>=2))", 1, 2, 0); /* m: 10 -> 17,0 */
+ reached4[10] = 1;
+ trans[4][6] = settr(125,2,10,1,0,"goto :b6", 1, 2, 0); /* m: 10 -> 0,17 */
+ reached4[10] = 1;
+ trans[4][9] = settr(128,2,10,1,0,"break", 1, 2, 0);
+ trans[4][10] = settr(129,2,17,8,8,"_commit_sum = 0", 1, 2, 0); /* m: 11 -> 0,17 */
+ reached4[11] = 1;
+ trans[4][11] = settr(0,0,0,0,0,"i = 0",0,0,0);
+ trans[4][18] = settr(137,2,17,1,0,".(goto)", 1, 2, 0);
+ T = trans[4][17] = settr(136,2,0,0,0,"DO", 1, 2, 0);
+ T = T->nxt = settr(136,2,12,0,0,"DO", 1, 2, 0);
+ T->nxt = settr(136,2,15,0,0,"DO", 1, 2, 0);
+ trans[4][12] = settr(131,2,17,9,9,"((i<8))", 1, 2, 0); /* m: 13 -> 17,0 */
+ reached4[13] = 1;
+ trans[4][13] = settr(0,0,0,0,0,"buffer_use[i] = 0",0,0,0);
+ trans[4][14] = settr(0,0,0,0,0,"i = (i+1)",0,0,0);
+ trans[4][15] = settr(134,2,20,10,10,"((i>=8))", 1, 2, 0);
+ trans[4][16] = settr(135,2,20,1,0,"goto :b7", 1, 2, 0);
+ trans[4][19] = settr(138,2,20,1,0,"break", 1, 2, 0);
+ trans[4][20] = settr(139,2,21,11,11,"(run reader())", 1, 2, 0);
+ trans[4][21] = settr(140,2,29,12,12,"(run cleaner())", 1, 2, 0); /* m: 22 -> 29,0 */
+ reached4[22] = 1;
+ trans[4][22] = settr(0,0,0,0,0,"i = 0",0,0,0);
+ trans[4][30] = settr(149,2,29,1,0,".(goto)", 1, 2, 0);
+ T = trans[4][29] = settr(148,2,0,0,0,"DO", 1, 2, 0);
+ T = T->nxt = settr(148,2,23,0,0,"DO", 1, 2, 0);
+ T->nxt = settr(148,2,27,0,0,"DO", 1, 2, 0);
+ trans[4][23] = settr(142,2,25,13,13,"((i<4))", 1, 2, 0); /* m: 24 -> 25,0 */
+ reached4[24] = 1;
+ trans[4][24] = settr(0,0,0,0,0,"refcount = (refcount+1)",0,0,0);
+ trans[4][25] = settr(144,2,29,14,14,"(run tracer())", 1, 2, 0); /* m: 26 -> 29,0 */
+ reached4[26] = 1;
+ trans[4][26] = settr(0,0,0,0,0,"i = (i+1)",0,0,0);
+ trans[4][27] = settr(146,2,39,15,15,"((i>=4))", 1, 2, 0); /* m: 32 -> 39,0 */
+ reached4[32] = 1;
+ trans[4][28] = settr(147,2,32,1,0,"goto :b8", 1, 2, 0); /* m: 32 -> 0,39 */
+ reached4[32] = 1;
+ trans[4][31] = settr(150,2,32,1,0,"break", 1, 2, 0);
+ trans[4][32] = settr(151,2,39,16,16,"i = 0", 1, 2, 0);
+ trans[4][40] = settr(159,2,39,1,0,".(goto)", 1, 2, 0);
+ T = trans[4][39] = settr(158,2,0,0,0,"DO", 1, 2, 0);
+ T = T->nxt = settr(158,2,33,0,0,"DO", 1, 2, 0);
+ T->nxt = settr(158,2,37,0,0,"DO", 1, 2, 0);
+ trans[4][33] = settr(152,2,35,17,17,"((i<1))", 1, 2, 0); /* m: 34 -> 35,0 */
+ reached4[34] = 1;
+ trans[4][34] = settr(0,0,0,0,0,"refcount = (refcount+1)",0,0,0);
+ trans[4][35] = settr(154,2,39,18,18,"(run switcher())", 1, 2, 0); /* m: 36 -> 39,0 */
+ reached4[36] = 1;
+ trans[4][36] = settr(0,0,0,0,0,"i = (i+1)",0,0,0);
+ trans[4][37] = settr(156,2,41,19,19,"((i>=1))", 1, 2, 0); /* m: 38 -> 41,0 */
+ reached4[38] = 1;
+ trans[4][38] = settr(157,2,41,1,0,"goto :b9", 1, 2, 0);
+ trans[4][41] = settr(160,0,43,1,0,"break", 1, 2, 0);
+ trans[4][43] = settr(162,0,0,20,20,"-end-", 0, 3500, 0);
+
+ /* proctype 3: cleaner */
+
+ trans[3] = (Trans **) emalloc(10*sizeof(Trans *));
+
+ T = trans[ 3][8] = settr(118,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(118,2,5,0,0,"ATOMIC", 1, 2, 0);
+ trans[3][6] = settr(116,2,5,1,0,".(goto)", 1, 2, 0);
+ T = trans[3][5] = settr(115,2,0,0,0,"DO", 1, 2, 0);
+ T->nxt = settr(115,2,1,0,0,"DO", 1, 2, 0);
+ trans[3][1] = settr(111,2,3,21,21,"((refcount==0))", 1, 2, 0); /* m: 2 -> 3,0 */
+ reached3[2] = 1;
+ trans[3][2] = settr(0,0,0,0,0,"refcount = (refcount+1)",0,0,0);
+ trans[3][3] = settr(113,2,7,22,22,"(run switcher())", 1, 2, 0); /* m: 4 -> 7,0 */
+ reached3[4] = 1;
+ trans[3][4] = settr(114,2,7,1,0,"goto :b5", 1, 2, 0);
+ trans[3][7] = settr(117,0,9,1,0,"break", 1, 2, 0);
+ trans[3][9] = settr(119,0,0,23,23,"-end-", 0, 3500, 0);
+
+ /* proctype 2: reader */
+
+ trans[2] = (Trans **) emalloc(30*sizeof(Trans *));
+
+ trans[2][27] = settr(108,0,26,1,0,".(goto)", 0, 2, 0);
+ T = trans[2][26] = settr(107,0,0,0,0,"DO", 0, 2, 0);
+ T = T->nxt = settr(107,0,1,0,0,"DO", 0, 2, 0);
+ T->nxt = settr(107,0,24,0,0,"DO", 0, 2, 0);
+ trans[2][1] = settr(82,0,12,24,0,"((((((write_off/(8/2))-(read_off/(8/2)))>0)&&(((write_off/(8/2))-(read_off/(8/2)))<(255/2)))&&(((commit_count[((read_off%8)/(8/2))]-(8/2))-(((read_off/8)*8)/2))==0)))", 1, 2, 0);
+ T = trans[ 2][12] = settr(93,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(93,2,2,0,0,"ATOMIC", 1, 2, 0);
+ trans[2][2] = settr(83,2,9,25,25,"i = 0", 1, 2, 0);
+ trans[2][10] = settr(91,2,9,1,0,".(goto)", 1, 2, 0);
+ T = trans[2][9] = settr(90,2,0,0,0,"DO", 1, 2, 0);
+ T = T->nxt = settr(90,2,3,0,0,"DO", 1, 2, 0);
+ T->nxt = settr(90,2,7,0,0,"DO", 1, 2, 0);
+ trans[2][3] = settr(84,2,9,26,26,"((i<(8/2)))", 1, 2, 0); /* m: 4 -> 9,0 */
+ reached2[4] = 1;
+ trans[2][4] = settr(0,0,0,0,0,"assert((buffer_use[((read_off+i)%8)]==0))",0,0,0);
+ trans[2][5] = settr(0,0,0,0,0,"buffer_use[((read_off+i)%8)] = 1",0,0,0);
+ trans[2][6] = settr(0,0,0,0,0,"i = (i+1)",0,0,0);
+ trans[2][7] = settr(88,2,11,27,27,"((i>=(8/2)))", 1, 2, 0); /* m: 8 -> 11,0 */
+ reached2[8] = 1;
+ trans[2][8] = settr(89,2,11,1,0,"goto :b3", 1, 2, 0);
+ trans[2][11] = settr(92,0,23,1,0,"break", 1, 2, 0);
+ T = trans[ 2][23] = settr(104,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(104,2,13,0,0,"ATOMIC", 1, 2, 0);
+ trans[2][13] = /* c */ settr(94,2,19,25,25,"i = 0", 1, 2, 0);
+ trans[2][20] = settr(101,2,19,1,0,".(goto)", 1, 2, 0);
+ T = trans[2][19] = settr(100,2,0,0,0,"DO", 1, 2, 0);
+ T = T->nxt = settr(100,2,14,0,0,"DO", 1, 2, 0);
+ T->nxt = settr(100,2,17,0,0,"DO", 1, 2, 0);
+ trans[2][14] = settr(95,2,19,28,28,"((i<(8/2)))", 1, 2, 0); /* m: 15 -> 19,0 */
+ reached2[15] = 1;
+ trans[2][15] = settr(0,0,0,0,0,"buffer_use[((read_off+i)%8)] = 0",0,0,0);
+ trans[2][16] = settr(0,0,0,0,0,"i = (i+1)",0,0,0);
+ trans[2][17] = settr(98,2,21,29,29,"((i>=(8/2)))", 1, 2, 0);
+ trans[2][18] = settr(99,2,21,1,0,"goto :b4", 1, 2, 0);
+ trans[2][21] = settr(102,2,22,1,0,"break", 1, 2, 0);
+ trans[2][22] = settr(103,0,26,30,30,"read_off = (read_off+(8/2))", 1, 2, 0);
+ trans[2][24] = settr(105,0,29,31,0,"((read_off>=(4-events_lost)))", 1, 2, 0);
+ trans[2][25] = settr(106,0,29,1,0,"goto :b2", 0, 2, 0);
+ trans[2][28] = settr(109,0,29,1,0,"break", 0, 2, 0);
+ trans[2][29] = settr(110,0,0,32,32,"-end-", 0, 3500, 0);
+
+ /* proctype 1: tracer */
+
+ trans[1] = (Trans **) emalloc(52*sizeof(Trans *));
+
+ T = trans[ 1][3] = settr(33,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(33,2,1,0,0,"ATOMIC", 1, 2, 0);
+ trans[1][1] = settr(31,4,10,33,33,"prev_off = write_off", 1, 2, 0); /* m: 2 -> 0,10 */
+ reached1[2] = 1;
+ trans[1][2] = settr(0,0,0,0,0,"new_off = (prev_off+size)",0,0,0);
+ T = trans[ 1][10] = settr(40,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(40,2,8,0,0,"ATOMIC", 1, 2, 0);
+ T = trans[1][8] = settr(38,2,0,0,0,"IF", 1, 2, 0);
+ T = T->nxt = settr(38,2,4,0,0,"IF", 1, 2, 0);
+ T->nxt = settr(38,2,6,0,0,"IF", 1, 2, 0);
+ trans[1][4] = settr(34,2,48,34,34,"((((new_off-read_off)>8)&&((new_off-read_off)<(255/2))))", 1, 2, 0);
+ trans[1][5] = settr(35,2,48,1,0,"goto lost", 1, 2, 0);
+ trans[1][9] = settr(39,0,27,1,0,".(goto)", 1, 2, 0);
+ trans[1][6] = settr(36,2,7,2,0,"else", 1, 2, 0);
+ trans[1][7] = settr(37,4,27,35,35,"(1)", 1, 2, 0); /* m: 9 -> 27,0 */
+ reached1[9] = 1;
+ T = trans[ 1][27] = settr(57,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(57,2,15,0,0,"ATOMIC", 1, 2, 0);
+ T = trans[1][15] = settr(45,2,0,0,0,"IF", 1, 2, 0);
+ T = T->nxt = settr(45,2,11,0,0,"IF", 1, 2, 0);
+ T->nxt = settr(45,2,13,0,0,"IF", 1, 2, 0);
+ trans[1][11] = settr(41,4,3,36,36,"((prev_off!=write_off))", 1, 2, 0); /* m: 12 -> 3,0 */
+ reached1[12] = 1;
+ trans[1][12] = settr(42,0,3,1,0,"goto cmpxchg_loop", 1, 2, 0);
+ trans[1][16] = settr(46,2,17,1,0,".(goto)", 1, 2, 0); /* m: 17 -> 0,24 */
+ reached1[17] = 1;
+ trans[1][13] = settr(43,2,14,2,0,"else", 1, 2, 0);
+ trans[1][14] = settr(44,2,24,37,37,"write_off = new_off", 1, 2, 0); /* m: 17 -> 0,24 */
+ reached1[17] = 1;
+ trans[1][17] = settr(47,2,24,38,38,"i = 0", 1, 2, 0);
+ trans[1][25] = settr(55,2,24,1,0,".(goto)", 1, 2, 0);
+ T = trans[1][24] = settr(54,2,0,0,0,"DO", 1, 2, 0);
+ T = T->nxt = settr(54,2,18,0,0,"DO", 1, 2, 0);
+ T->nxt = settr(54,2,22,0,0,"DO", 1, 2, 0);
+ trans[1][18] = settr(48,2,24,39,39,"((i<size))", 1, 2, 0); /* m: 19 -> 24,0 */
+ reached1[19] = 1;
+ trans[1][19] = settr(0,0,0,0,0,"assert((buffer_use[((prev_off+i)%8)]==0))",0,0,0);
+ trans[1][20] = settr(0,0,0,0,0,"buffer_use[((prev_off+i)%8)] = 1",0,0,0);
+ trans[1][21] = settr(0,0,0,0,0,"i = (i+1)",0,0,0);
+ trans[1][22] = settr(52,2,26,40,40,"((i>=size))", 1, 2, 0); /* m: 23 -> 26,0 */
+ reached1[23] = 1;
+ trans[1][23] = settr(53,2,26,1,0,"goto :b0", 1, 2, 0);
+ trans[1][26] = settr(56,0,46,1,0,"break", 1, 2, 0);
+ T = trans[ 1][46] = settr(76,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(76,2,28,0,0,"ATOMIC", 1, 2, 0);
+ trans[1][28] = settr(58,2,34,41,41,"i = 0", 1, 2, 0);
+ trans[1][35] = settr(65,2,34,1,0,".(goto)", 1, 2, 0);
+ T = trans[1][34] = settr(64,2,0,0,0,"DO", 1, 2, 0);
+ T = T->nxt = settr(64,2,29,0,0,"DO", 1, 2, 0);
+ T->nxt = settr(64,2,32,0,0,"DO", 1, 2, 0);
+ trans[1][29] = settr(59,2,34,42,42,"((i<size))", 1, 2, 0); /* m: 30 -> 34,0 */
+ reached1[30] = 1;
+ trans[1][30] = settr(0,0,0,0,0,"buffer_use[((prev_off+i)%8)] = 0",0,0,0);
+ trans[1][31] = settr(0,0,0,0,0,"i = (i+1)",0,0,0);
+ trans[1][32] = settr(62,2,44,43,43,"((i>=size))", 1, 2, 0); /* m: 37 -> 44,0 */
+ reached1[37] = 1;
+ trans[1][33] = settr(63,2,37,1,0,"goto :b1", 1, 2, 0); /* m: 37 -> 0,44 */
+ reached1[37] = 1;
+ trans[1][36] = settr(66,2,37,1,0,"break", 1, 2, 0);
+ trans[1][37] = settr(67,2,44,44,44,"tmp_commit = (commit_count[((prev_off%8)/(8/2))]+size)", 1, 2, 0); /* m: 38 -> 0,44 */
+ reached1[38] = 1;
+ trans[1][38] = settr(0,0,0,0,0,"_commit_sum = ((_commit_sum-commit_count[((prev_off%8)/(8/2))])+tmp_commit)",0,0,0);
+ trans[1][39] = settr(0,0,0,0,0,"commit_count[((prev_off%8)/(8/2))] = tmp_commit",0,0,0);
+ T = trans[1][44] = settr(74,2,0,0,0,"IF", 1, 2, 0);
+ T = T->nxt = settr(74,2,40,0,0,"IF", 1, 2, 0);
+ T->nxt = settr(74,2,42,0,0,"IF", 1, 2, 0);
+ trans[1][40] = settr(70,4,50,45,45,"((((((prev_off/8)*8)/2)+(8/2))-tmp_commit))", 1, 2, 0); /* m: 41 -> 50,0 */
+ reached1[41] = 1;
+ trans[1][41] = settr(0,0,0,0,0,"deliver = 1",0,0,0);
+ trans[1][45] = settr(75,0,50,46,46,".(goto)", 1, 2, 0);
+ trans[1][42] = settr(72,2,43,2,0,"else", 1, 2, 0);
+ trans[1][43] = settr(73,4,50,47,47,"(1)", 1, 2, 0); /* m: 45 -> 50,0 */
+ reached1[45] = 1;
+ T = trans[ 1][50] = settr(80,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(80,2,47,0,0,"ATOMIC", 1, 2, 0);
+ trans[1][47] = settr(77,2,49,1,0,"goto end", 1, 2, 0);
+ trans[1][48] = settr(78,2,49,48,48,"events_lost = (events_lost+1)", 1, 2, 0);
+ trans[1][49] = settr(79,0,51,49,49,"refcount = (refcount-1)", 1, 2, 0);
+ trans[1][51] = settr(81,0,0,50,50,"-end-", 0, 3500, 0);
+
+ /* proctype 0: switcher */
+
+ trans[0] = (Trans **) emalloc(32*sizeof(Trans *));
+
+ T = trans[ 0][11] = settr(10,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(10,2,1,0,0,"ATOMIC", 1, 2, 0);
+ trans[0][1] = settr(0,2,9,51,51,"prev_off = write_off", 1, 2, 0); /* m: 2 -> 0,9 */
+ reached0[2] = 1;
+ trans[0][2] = settr(0,0,0,0,0,"size = ((8/2)-(prev_off%(8/2)))",0,0,0);
+ trans[0][3] = settr(0,0,0,0,0,"new_off = (prev_off+size)",0,0,0);
+ T = trans[0][9] = settr(8,2,0,0,0,"IF", 1, 2, 0);
+ T = T->nxt = settr(8,2,4,0,0,"IF", 1, 2, 0);
+ T->nxt = settr(8,2,7,0,0,"IF", 1, 2, 0);
+ trans[0][4] = settr(3,4,30,52,52,"(((((new_off-read_off)>8)&&((new_off-read_off)<(255/2)))||(size==(8/2))))", 1, 2, 0); /* m: 5 -> 30,0 */
+ reached0[5] = 1;
+ trans[0][5] = settr(0,0,0,0,0,"refcount = (refcount-1)",0,0,0);
+ trans[0][6] = settr(5,0,30,1,0,"goto not_needed", 1, 2, 0);
+ trans[0][10] = settr(9,0,18,1,0,".(goto)", 1, 2, 0);
+ trans[0][7] = settr(6,2,8,2,0,"else", 1, 2, 0);
+ trans[0][8] = settr(7,4,18,53,53,"(1)", 1, 2, 0); /* m: 10 -> 18,0 */
+ reached0[10] = 1;
+ T = trans[ 0][18] = settr(17,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(17,2,16,0,0,"ATOMIC", 1, 2, 0);
+ T = trans[0][16] = settr(15,2,0,0,0,"IF", 1, 2, 0);
+ T = T->nxt = settr(15,2,12,0,0,"IF", 1, 2, 0);
+ T->nxt = settr(15,2,14,0,0,"IF", 1, 2, 0);
+ trans[0][12] = settr(11,4,11,54,54,"((prev_off!=write_off))", 1, 2, 0); /* m: 13 -> 11,0 */
+ reached0[13] = 1;
+ trans[0][13] = settr(12,0,11,1,0,"goto cmpxchg_loop", 1, 2, 0);
+ trans[0][17] = settr(16,0,29,55,55,".(goto)", 1, 2, 0);
+ trans[0][14] = settr(13,2,15,2,0,"else", 1, 2, 0);
+ trans[0][15] = settr(14,4,29,56,56,"write_off = new_off", 1, 2, 0); /* m: 17 -> 0,29 */
+ reached0[17] = 1;
+ T = trans[ 0][29] = settr(28,2,0,0,0,"ATOMIC", 1, 2, 0);
+ T->nxt = settr(28,2,19,0,0,"ATOMIC", 1, 2, 0);
+ trans[0][19] = settr(18,2,26,57,57,"tmp_commit = (commit_count[((prev_off%8)/(8/2))]+size)", 1, 2, 0); /* m: 20 -> 0,26 */
+ reached0[20] = 1;
+ trans[0][20] = settr(0,0,0,0,0,"_commit_sum = ((_commit_sum-commit_count[((prev_off%8)/(8/2))])+tmp_commit)",0,0,0);
+ trans[0][21] = settr(0,0,0,0,0,"commit_count[((prev_off%8)/(8/2))] = tmp_commit",0,0,0);
+ T = trans[0][26] = settr(25,2,0,0,0,"IF", 1, 2, 0);
+ T = T->nxt = settr(25,2,22,0,0,"IF", 1, 2, 0);
+ T->nxt = settr(25,2,24,0,0,"IF", 1, 2, 0);
+ trans[0][22] = settr(21,4,30,58,58,"((((((prev_off/8)*8)/2)+(8/2))-tmp_commit))", 1, 2, 0); /* m: 23 -> 30,0 */
+ reached0[23] = 1;
+ trans[0][23] = settr(0,0,0,0,0,"deliver = 1",0,0,0);
+ trans[0][27] = settr(26,4,30,59,59,".(goto)", 1, 2, 0); /* m: 28 -> 0,30 */
+ reached0[28] = 1;
+ trans[0][24] = settr(23,2,25,2,0,"else", 1, 2, 0);
+ trans[0][25] = settr(24,4,30,60,60,"(1)", 1, 2, 0); /* m: 27 -> 30,0 */
+ reached0[27] = 1;
+ trans[0][28] = settr(0,0,0,0,0,"refcount = (refcount-1)",0,0,0);
+ trans[0][30] = settr(29,0,31,1,0,"(1)", 0, 2, 0);
+ trans[0][31] = settr(30,0,0,61,61,"-end-", 0, 3500, 0);
+ /* np_ demon: */
+ trans[_NP_] = (Trans **) emalloc(2*sizeof(Trans *));
+ T = trans[_NP_][0] = settr(9997,0,1,_T5,0,"(np_)", 1,2,0);
+ T->nxt = settr(9998,0,0,_T2,0,"(1)", 0,2,0);
+ T = trans[_NP_][1] = settr(9999,0,1,_T5,0,"(np_)", 1,2,0);
+}
+
+Trans *
+settr( int t_id, int a, int b, int c, int d,
+ char *t, int g, int tpe0, int tpe1)
+{ Trans *tmp = (Trans *) emalloc(sizeof(Trans));
+
+ tmp->atom = a&(6|32); /* only (2|8|32) have meaning */
+ if (!g) tmp->atom |= 8; /* no global references */
+ tmp->st = b;
+ tmp->tpe[0] = tpe0;
+ tmp->tpe[1] = tpe1;
+ tmp->tp = t;
+ tmp->t_id = t_id;
+ tmp->forw = c;
+ tmp->back = d;
+ return tmp;
+}
+
+Trans *
+cpytr(Trans *a)
+{ Trans *tmp = (Trans *) emalloc(sizeof(Trans));
+
+ int i;
+ tmp->atom = a->atom;
+ tmp->st = a->st;
+#ifdef HAS_UNLESS
+ tmp->e_trans = a->e_trans;
+ for (i = 0; i < HAS_UNLESS; i++)
+ tmp->escp[i] = a->escp[i];
+#endif
+ tmp->tpe[0] = a->tpe[0];
+ tmp->tpe[1] = a->tpe[1];
+ for (i = 0; i < 6; i++)
+ { tmp->qu[i] = a->qu[i];
+ tmp->ty[i] = a->ty[i];
+ }
+ tmp->tp = (char *) emalloc(strlen(a->tp)+1);
+ strcpy(tmp->tp, a->tp);
+ tmp->t_id = a->t_id;
+ tmp->forw = a->forw;
+ tmp->back = a->back;
+ return tmp;
+}
+
+#ifndef NOREDUCE
+int
+srinc_set(int n)
+{ if (n <= 2) return LOCAL;
+ if (n <= 2+ DELTA) return Q_FULL_F; /* 's' or nfull */
+ if (n <= 2+2*DELTA) return Q_EMPT_F; /* 'r' or nempty */
+ if (n <= 2+3*DELTA) return Q_EMPT_T; /* empty */
+ if (n <= 2+4*DELTA) return Q_FULL_T; /* full */
+ if (n == 5*DELTA) return GLOBAL;
+ if (n == 6*DELTA) return TIMEOUT_F;
+ if (n == 7*DELTA) return ALPHA_F;
+ Uerror("cannot happen srinc_class");
+ return BAD;
+}
+int
+srunc(int n, int m)
+{ switch(m) {
+ case Q_FULL_F: return n-2;
+ case Q_EMPT_F: return n-2-DELTA;
+ case Q_EMPT_T: return n-2-2*DELTA;
+ case Q_FULL_T: return n-2-3*DELTA;
+ case ALPHA_F:
+ case TIMEOUT_F: return 257; /* non-zero, and > MAXQ */
+ }
+ Uerror("cannot happen srunc");
+ return 0;
+}
+#endif
+int cnt;
+#ifdef HAS_UNLESS
+int
+isthere(Trans *a, int b)
+{ Trans *t;
+ for (t = a; t; t = t->nxt)
+ if (t->t_id == b)
+ return 1;
+ return 0;
+}
+#endif
+#ifndef NOREDUCE
+int
+mark_safety(Trans *t) /* for conditional safety */
+{ int g = 0, i, j, k;
+
+ if (!t) return 0;
+ if (t->qu[0])
+ return (t->qu[1])?2:1; /* marked */
+
+ for (i = 0; i < 2; i++)
+ { j = srinc_set(t->tpe[i]);
+ if (j >= GLOBAL && j != ALPHA_F)
+ return -1;
+ if (j != LOCAL)
+ { k = srunc(t->tpe[i], j);
+ if (g == 0
+ || t->qu[0] != k
+ || t->ty[0] != j)
+ { t->qu[g] = k;
+ t->ty[g] = j;
+ g++;
+ } } }
+ return g;
+}
+#endif
+void
+retrans(int n, int m, int is, short srcln[], uchar reach[], uchar lstate[])
+ /* process n, with m states, is=initial state */
+{ Trans *T0, *T1, *T2, *T3;
+ int i, k;
+#ifndef NOREDUCE
+ int g, h, j, aa;
+#endif
+#ifdef HAS_UNLESS
+ int p;
+#endif
+ if (state_tables >= 4)
+ { printf("STEP 1 proctype %s\n",
+ procname[n]);
+ for (i = 1; i < m; i++)
+ for (T0 = trans[n][i]; T0; T0 = T0->nxt)
+ crack(n, i, T0, srcln);
+ return;
+ }
+ do {
+ for (i = 1, cnt = 0; i < m; i++)
+ { T2 = trans[n][i];
+ T1 = T2?T2->nxt:(Trans *)0;
+/* prescan: */ for (T0 = T1; T0; T0 = T0->nxt)
+/* choice in choice */ { if (T0->st && trans[n][T0->st]
+ && trans[n][T0->st]->nxt)
+ break;
+ }
+#if 0
+ if (T0)
+ printf("\tstate %d / %d: choice in choice\n",
+ i, T0->st);
+#endif
+ if (T0)
+ for (T0 = T1; T0; T0 = T0->nxt)
+ { T3 = trans[n][T0->st];
+ if (!T3->nxt)
+ { T2->nxt = cpytr(T0);
+ T2 = T2->nxt;
+ imed(T2, T0->st, n, i);
+ continue;
+ }
+ do { T3 = T3->nxt;
+ T2->nxt = cpytr(T3);
+ T2 = T2->nxt;
+ imed(T2, T0->st, n, i);
+ } while (T3->nxt);
+ cnt++;
+ }
+ }
+ } while (cnt);
+ if (state_tables >= 3)
+ { printf("STEP 2 proctype %s\n",
+ procname[n]);
+ for (i = 1; i < m; i++)
+ for (T0 = trans[n][i]; T0; T0 = T0->nxt)
+ crack(n, i, T0, srcln);
+ return;
+ }
+ for (i = 1; i < m; i++)
+ { if (trans[n][i] && trans[n][i]->nxt) /* optimize */
+ { T1 = trans[n][i]->nxt;
+#if 0
+ printf("\t\tpull %d (%d) to %d\n",
+ T1->st, T1->forw, i);
+#endif
+ if (!trans[n][T1->st]) continue;
+ T0 = cpytr(trans[n][T1->st]);
+ trans[n][i] = T0;
+ reach[T1->st] = 1;
+ imed(T0, T1->st, n, i);
+ for (T1 = T1->nxt; T1; T1 = T1->nxt)
+ {
+#if 0
+ printf("\t\tpull %d (%d) to %d\n",
+ T1->st, T1->forw, i);
+#endif
+ if (!trans[n][T1->st]) continue;
+ T0->nxt = cpytr(trans[n][T1->st]);
+ T0 = T0->nxt;
+ reach[T1->st] = 1;
+ imed(T0, T1->st, n, i);
+ } } }
+ if (state_tables >= 2)
+ { printf("STEP 3 proctype %s\n",
+ procname[n]);
+ for (i = 1; i < m; i++)
+ for (T0 = trans[n][i]; T0; T0 = T0->nxt)
+ crack(n, i, T0, srcln);
+ return;
+ }
+#ifdef HAS_UNLESS
+ for (i = 1; i < m; i++)
+ { if (!trans[n][i]) continue;
+ /* check for each state i if an
+ * escape to some state p is defined
+ * if so, copy and mark p's transitions
+ * and prepend them to the transition-
+ * list of state i
+ */
+ if (!like_java) /* the default */
+ { for (T0 = trans[n][i]; T0; T0 = T0->nxt)
+ for (k = HAS_UNLESS-1; k >= 0; k--)
+ { if (p = T0->escp[k])
+ for (T1 = trans[n][p]; T1; T1 = T1->nxt)
+ { if (isthere(trans[n][i], T1->t_id))
+ continue;
+ T2 = cpytr(T1);
+ T2->e_trans = p;
+ T2->nxt = trans[n][i];
+ trans[n][i] = T2;
+ } }
+ } else /* outermost unless checked first */
+ { Trans *T4;
+ T4 = T3 = (Trans *) 0;
+ for (T0 = trans[n][i]; T0; T0 = T0->nxt)
+ for (k = HAS_UNLESS-1; k >= 0; k--)
+ { if (p = T0->escp[k])
+ for (T1 = trans[n][p]; T1; T1 = T1->nxt)
+ { if (isthere(trans[n][i], T1->t_id))
+ continue;
+ T2 = cpytr(T1);
+ T2->nxt = (Trans *) 0;
+ T2->e_trans = p;
+ if (T3) T3->nxt = T2;
+ else T4 = T2;
+ T3 = T2;
+ } }
+ if (T4)
+ { T3->nxt = trans[n][i];
+ trans[n][i] = T4;
+ }
+ }
+ }
+#endif
+#ifndef NOREDUCE
+ for (i = 1; i < m; i++)
+ { if (a_cycles)
+ { /* moves through these states are visible */
+ #if PROG_LAB>0 && defined(HAS_NP)
+ if (progstate[n][i])
+ goto degrade;
+ for (T1 = trans[n][i]; T1; T1 = T1->nxt)
+ if (progstate[n][T1->st])
+ goto degrade;
+ #endif
+ if (accpstate[n][i] || visstate[n][i])
+ goto degrade;
+ for (T1 = trans[n][i]; T1; T1 = T1->nxt)
+ if (accpstate[n][T1->st])
+ goto degrade;
+ }
+ T1 = trans[n][i];
+ if (!T1) continue;
+ g = mark_safety(T1); /* V3.3.1 */
+ if (g < 0) goto degrade; /* global */
+ /* check if mixing of guards preserves reduction */
+ if (T1->nxt)
+ { k = 0;
+ for (T0 = T1; T0; T0 = T0->nxt)
+ { if (!(T0->atom&8))
+ goto degrade;
+ for (aa = 0; aa < 2; aa++)
+ { j = srinc_set(T0->tpe[aa]);
+ if (j >= GLOBAL && j != ALPHA_F)
+ goto degrade;
+ if (T0->tpe[aa]
+ && T0->tpe[aa]
+ != T1->tpe[0])
+ k = 1;
+ } }
+ /* g = 0; V3.3.1 */
+ if (k) /* non-uniform selection */
+ for (T0 = T1; T0; T0 = T0->nxt)
+ for (aa = 0; aa < 2; aa++)
+ { j = srinc_set(T0->tpe[aa]);
+ if (j != LOCAL)
+ { k = srunc(T0->tpe[aa], j);
+ for (h = 0; h < 6; h++)
+ if (T1->qu[h] == k
+ && T1->ty[h] == j)
+ break;
+ if (h >= 6)
+ { T1->qu[g%6] = k;
+ T1->ty[g%6] = j;
+ g++;
+ } } }
+ if (g > 6)
+ { T1->qu[0] = 0; /* turn it off */
+ printf("pan: warning, line %d, ",
+ srcln[i]);
+ printf("too many stmnt types (%d)",
+ g);
+ printf(" in selection\n");
+ goto degrade;
+ }
+ }
+ /* mark all options global if >=1 is global */
+ for (T1 = trans[n][i]; T1; T1 = T1->nxt)
+ if (!(T1->atom&8)) break;
+ if (T1)
+degrade: for (T1 = trans[n][i]; T1; T1 = T1->nxt)
+ T1->atom &= ~8; /* mark as unsafe */
+ /* can only mix 'r's or 's's if on same chan */
+ /* and not mixed with other local operations */
+ T1 = trans[n][i];
+ if (!T1 || T1->qu[0]) continue;
+ j = T1->tpe[0];
+ if (T1->nxt && T1->atom&8)
+ { if (j == 5*DELTA)
+ { printf("warning: line %d ", srcln[i]);
+ printf("mixed condition ");
+ printf("(defeats reduction)\n");
+ goto degrade;
+ }
+ for (T0 = T1; T0; T0 = T0->nxt)
+ for (aa = 0; aa < 2; aa++)
+ if (T0->tpe[aa] && T0->tpe[aa] != j)
+ { printf("warning: line %d ", srcln[i]);
+ printf("[%d-%d] mixed %stion ",
+ T0->tpe[aa], j,
+ (j==5*DELTA)?"condi":"selec");
+ printf("(defeats reduction)\n");
+ printf(" '%s' <-> '%s'\n",
+ T1->tp, T0->tp);
+ goto degrade;
+ } }
+ }
+#endif
+ for (i = 1; i < m; i++)
+ { T2 = trans[n][i];
+ if (!T2
+ || T2->nxt
+ || strncmp(T2->tp, ".(goto)", 7)
+ || !stopstate[n][i])
+ continue;
+ stopstate[n][T2->st] = 1;
+ }
+ if (state_tables)
+ { printf("proctype ");
+ if (!strcmp(procname[n], ":init:"))
+ printf("init\n");
+ else
+ printf("%s\n", procname[n]);
+ for (i = 1; i < m; i++)
+ reach[i] = 1;
+ tagtable(n, m, is, srcln, reach);
+ } else
+ for (i = 1; i < m; i++)
+ { int nrelse;
+ if (strcmp(procname[n], ":never:") != 0)
+ { for (T0 = trans[n][i]; T0; T0 = T0->nxt)
+ { if (T0->st == i
+ && strcmp(T0->tp, "(1)") == 0)
+ { printf("error: proctype '%s' ",
+ procname[n]);
+ printf("line %d, state %d: has un",
+ srcln[i], i);
+ printf("conditional self-loop\n");
+ pan_exit(1);
+ } } }
+ nrelse = 0;
+ for (T0 = trans[n][i]; T0; T0 = T0->nxt)
+ { if (strcmp(T0->tp, "else") == 0)
+ nrelse++;
+ }
+ if (nrelse > 1)
+ { printf("error: proctype '%s' state",
+ procname[n]);
+ printf(" %d, inherits %d", i, nrelse);
+ printf(" 'else' stmnts\n");
+ pan_exit(1);
+ } }
+ if (!state_tables && strcmp(procname[n], ":never:") == 0)
+ { int h = 0;
+ for (i = 1; i < m; i++)
+ for (T0 = trans[n][i]; T0; T0 = T0->nxt)
+ if (T0->forw > h) h = T0->forw;
+ h++;
+ frm_st0 = (short *) emalloc(h * sizeof(short));
+ for (i = 1; i < m; i++)
+ for (T0 = trans[n][i]; T0; T0 = T0->nxt)
+ frm_st0[T0->forw] = i;
+ }
+#ifndef LOOPSTATE
+ if (state_tables)
+#endif
+ do_dfs(n, m, is, srcln, reach, lstate);
+#ifdef T_REVERSE
+ /* process n, with m states, is=initial state -- reverse list */
+ if (!state_tables && strcmp(procname[n], ":never:") != 0)
+ { for (i = 1; i < m; i++)
+ { Trans *T4 = (Trans *) 0;
+ T1 = (Trans *) 0;
+ T2 = (Trans *) 0;
+ T3 = (Trans *) 0;
+ for (T0 = trans[n][i]; T0; T0 = T4)
+ { T4 = T0->nxt;
+ if (strcmp(T0->tp, "else") == 0)
+ { T3 = T0;
+ T0->nxt = (Trans *) 0;
+ } else
+ { T0->nxt = T1;
+ if (!T1) { T2 = T0; }
+ T1 = T0;
+ } }
+ if (T2 && T3) { T2->nxt = T3; }
+ trans[n][i] = T1; /* reversed -- else at end */
+ } }
+#endif
+}
+void
+imed(Trans *T, int v, int n, int j) /* set intermediate state */
+{ progstate[n][T->st] |= progstate[n][v];
+ accpstate[n][T->st] |= accpstate[n][v];
+ stopstate[n][T->st] |= stopstate[n][v];
+ mapstate[n][j] = T->st;
+}
+void
+tagtable(int n, int m, int is, short srcln[], uchar reach[])
+{ Trans *z;
+
+ if (is >= m || !trans[n][is]
+ || is <= 0 || reach[is] == 0)
+ return;
+ reach[is] = 0;
+ if (state_tables)
+ for (z = trans[n][is]; z; z = z->nxt)
+ crack(n, is, z, srcln);
+ for (z = trans[n][is]; z; z = z->nxt)
+ {
+#ifdef HAS_UNLESS
+ int i, j;
+#endif
+ tagtable(n, m, z->st, srcln, reach);
+#ifdef HAS_UNLESS
+ for (i = 0; i < HAS_UNLESS; i++)
+ { j = trans[n][is]->escp[i];
+ if (!j) break;
+ tagtable(n, m, j, srcln, reach);
+ }
+#endif
+ }
+}
+void
+dfs_table(int n, int m, int is, short srcln[], uchar reach[], uchar lstate[])
+{ Trans *z;
+
+ if (is >= m || is <= 0 || !trans[n][is])
+ return;
+ if ((reach[is] & (4|8|16)) != 0)
+ { if ((reach[is] & (8|16)) == 16) /* on stack, not yet recorded */
+ { lstate[is] = 1;
+ reach[is] |= 8; /* recorded */
+ if (state_tables)
+ { printf("state %d line %d is a loopstate\n", is, srcln[is]);
+ } }
+ return;
+ }
+ reach[is] |= (4|16); /* visited | onstack */
+ for (z = trans[n][is]; z; z = z->nxt)
+ {
+#ifdef HAS_UNLESS
+ int i, j;
+#endif
+ dfs_table(n, m, z->st, srcln, reach, lstate);
+#ifdef HAS_UNLESS
+ for (i = 0; i < HAS_UNLESS; i++)
+ { j = trans[n][is]->escp[i];
+ if (!j) break;
+ dfs_table(n, m, j, srcln, reach, lstate);
+ }
+#endif
+ }
+ reach[is] &= ~16; /* no longer on stack */
+}
+void
+do_dfs(int n, int m, int is, short srcln[], uchar reach[], uchar lstate[])
+{ int i;
+ dfs_table(n, m, is, srcln, reach, lstate);
+ for (i = 0; i < m; i++)
+ reach[i] &= ~(4|8|16);
+}
+void
+crack(int n, int j, Trans *z, short srcln[])
+{ int i;
+
+ if (!z) return;
+ printf(" state %3d -(tr %3d)-> state %3d ",
+ j, z->forw, z->st);
+ printf("[id %3d tp %3d", z->t_id, z->tpe[0]);
+ if (z->tpe[1]) printf(",%d", z->tpe[1]);
+#ifdef HAS_UNLESS
+ if (z->e_trans)
+ printf(" org %3d", z->e_trans);
+ else if (state_tables >= 2)
+ for (i = 0; i < HAS_UNLESS; i++)
+ { if (!z->escp[i]) break;
+ printf(" esc %d", z->escp[i]);
+ }
+#endif
+ printf("]");
+ printf(" [%s%s%s%s%s] line %d => ",
+ z->atom&6?"A":z->atom&32?"D":"-",
+ accpstate[n][j]?"a" :"-",
+ stopstate[n][j]?"e" : "-",
+ progstate[n][j]?"p" : "-",
+ z->atom & 8 ?"L":"G",
+ srcln[j]);
+ for (i = 0; z->tp[i]; i++)
+ if (z->tp[i] == '\n')
+ printf("\\n");
+ else
+ putchar(z->tp[i]);
+ if (z->qu[0])
+ { printf("\t[");
+ for (i = 0; i < 6; i++)
+ if (z->qu[i])
+ printf("(%d,%d)",
+ z->qu[i], z->ty[i]);
+ printf("]");
+ }
+ printf("\n");
+ fflush(stdout);
+}
+
+#ifdef VAR_RANGES
+#define BYTESIZE 32 /* 2^8 : 2^3 = 256:8 = 32 */
+
+typedef struct Vr_Ptr {
+ char *nm;
+ uchar vals[BYTESIZE];
+ struct Vr_Ptr *nxt;
+} Vr_Ptr;
+Vr_Ptr *ranges = (Vr_Ptr *) 0;
+
+void
+logval(char *s, int v)
+{ Vr_Ptr *tmp;
+
+ if (v<0 || v > 255) return;
+ for (tmp = ranges; tmp; tmp = tmp->nxt)
+ if (!strcmp(tmp->nm, s))
+ goto found;
+ tmp = (Vr_Ptr *) emalloc(sizeof(Vr_Ptr));
+ tmp->nxt = ranges;
+ ranges = tmp;
+ tmp->nm = s;
+found:
+ tmp->vals[(v)/8] |= 1<<((v)%8);
+}
+
+void
+dumpval(uchar X[], int range)
+{ int w, x, i, j = -1;
+
+ for (w = i = 0; w < range; w++)
+ for (x = 0; x < 8; x++, i++)
+ {
+from: if ((X[w] & (1<<x)))
+ { printf("%d", i);
+ j = i;
+ goto upto;
+ } }
+ return;
+ for (w = 0; w < range; w++)
+ for (x = 0; x < 8; x++, i++)
+ {
+upto: if (!(X[w] & (1<<x)))
+ { if (i-1 == j)
+ printf(", ");
+ else
+ printf("-%d, ", i-1);
+ goto from;
+ } }
+ if (j >= 0 && j != 255)
+ printf("-255");
+}
+
+void
+dumpranges(void)
+{ Vr_Ptr *tmp;
+ printf("\nValues assigned within ");
+ printf("interval [0..255]:\n");
+ for (tmp = ranges; tmp; tmp = tmp->nxt)
+ { printf("\t%s\t: ", tmp->nm);
+ dumpval(tmp->vals, BYTESIZE);
+ printf("\n");
+ }
+}
+#endif
projects / lttv.git / blobdiff