+++ /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