Mercurial > ~dholland > hg > ag > index.cgi
view tests/agcl/parsifal/good/pex2.c @ 24:a4899cdfc2d6 default tip
Obfuscate the regexps to strip off the IBM compiler's copyright banners.
I don't want bots scanning github to think they're real copyright
notices because that could cause real problems.
author | David A. Holland |
---|---|
date | Mon, 13 Jun 2022 00:40:23 -0400 |
parents | 13d2b8934445 |
children |
line wrap: on
line source
/* * AnaGram, A System for Syntax Directed Programming * File generated by: ... * * AnaGram Parsing Engine * Copyright 1993-2002 Parsifal Software. All Rights Reserved. * * This software is provided 'as-is', without any express or implied * warranty. In no event will the authors be held liable for any damages * arising from the use of this software. * * Permission is granted to anyone to use this software for any purpose, * including commercial applications, and to alter it and redistribute it * freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you must not * claim that you wrote the original software. If you use this software * in a product, an acknowledgment in the product documentation would be * appreciated but is not required. * 2. Altered source versions must be plainly marked as such, and must not be * misrepresented as being the original software. * 3. This notice may not be removed or altered from any source distribution. */ #ifndef PEX2_H #include "pex2.h" #endif #ifndef PEX2_H #error Mismatched header file #endif #include <ctype.h> #include <stdio.h> #define RULE_CONTEXT (&((PCB).cs[(PCB).ssx])) #define ERROR_CONTEXT ((PCB).cs[(PCB).error_frame_ssx]) #define CONTEXT ((PCB).cs[(PCB).ssx]) pex2_pcb_type pex2_pcb; #define PCB pex2_pcb #define CHANGE_REDUCTION(x) pex2_change_reduction(pex2_##x##_token) int pex2_change_reduction(pex2_token_type); #ifndef CONVERT_CASE static const char agCaseTable[31] = { 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 }; static int agConvertCase(int c) { if (c >= 'a' && c <= 'z') return c ^= 0x20; if (c >= 0xe0 && c < 0xff) c ^= agCaseTable[c-0xe0]; return c; } #define CONVERT_CASE(c) agConvertCase(c) #endif #ifndef TAB_SPACING #define TAB_SPACING 8 #endif #define ag_rp_1() (save_loop_head << PCB.pointer) static void ag_rp_2(void) { /* Line -, pex2.syn */ save_loop_tail << PCB.pointer; save_loop_top >> PCB.pointer; // Restore top of loop save_loop_top << PCB.pointer; // Save top of loop } static void ag_rp_3(int x) { /* Line -, pex2.syn */ if (x.value.lval) return; CHANGE_REDUCTION(false_while_condition); save_loop_tail >> PCB.pointer; save_loop_head >> junk; } static void ag_rp_4(void) { /* Line -, pex2.syn */ save_loop_top >> PCB.pointer; // Restore top of loop save_loop_top << PCB.pointer; // Save top of loop } #define READ_COUNTS #define WRITE_COUNTS #undef V #define V(i,t) (*t (&(PCB).vs[(PCB).ssx + i])) #undef VS #define VS(i) (PCB).vs[(PCB).ssx + i] #ifndef GET_CONTEXT #define GET_CONTEXT CONTEXT = (PCB).input_context #endif typedef enum { ag_action_1, ag_action_2, ag_action_3, ag_action_4, ag_action_5, ag_action_6, ag_action_7, ag_action_8, ag_action_9, ag_action_10, ag_action_11, ag_action_12 } ag_parser_action; #ifndef NULL_VALUE_INITIALIZER #define NULL_VALUE_INITIALIZER = 0 #endif static int const ag_null_value NULL_VALUE_INITIALIZER; static const unsigned char ag_rpx[] = { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 3, 4 }; static const unsigned char ag_key_itt[] = { 0 }; static const unsigned short ag_key_pt[] = { 0 }; static const unsigned char ag_key_ch[] = { 0, 33,255, 72,255, 87,255, 68,255, 78,255, 69, 87,255, 33,255, 72,255, 87,255, 68,255, 78,255, 69,255, 33,255 }; static const unsigned char ag_key_act[] = { 0,3,4,3,4,1,4,2,4,2,4,2,3,4,2,4,3,4,1,4,2,4,2,4,2,4,2,4 }; static const unsigned char ag_key_parm[] = { 0, 31, 0, 18, 0, 17, 0, 0, 0, 0, 0, 0, 31, 0, 0, 0, 18, 0, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; static const unsigned char ag_key_jmp[] = { 0, 0, 0, 6, 0, 3, 0, 5, 0, 7, 0, 9, 10, 0, 11, 0, 15, 0, 16, 0, 18, 0, 20, 0, 22, 0, 24, 0 }; static const unsigned char ag_key_index[] = { 1, 14, 1, 26, 26, 26, 26, 0, 0, 26, 26, 0, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26 }; static const unsigned char ag_key_ends[] = { 87,72,73,76,69,0, 73,76,69,0, 72,73,76,69,0, 73,76,69,0, }; #define AG_TCV(x) (((int)(x) >= 0 && (int)(x) <= 255) ? ag_tcv[(x)] : 0) static const unsigned char ag_tcv[] = { 0, 11, 11, 11, 11, 11, 11, 11, 11, 3, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11 }; #ifndef SYNTAX_ERROR #define SYNTAX_ERROR fprintf(stderr,"%s, line %d, column %d\n", \ (PCB).error_message, (PCB).line, (PCB).column) #endif #ifndef FIRST_LINE #define FIRST_LINE 1 #endif #ifndef FIRST_COLUMN #define FIRST_COLUMN 1 #endif #ifndef PARSER_STACK_OVERFLOW #define PARSER_STACK_OVERFLOW {fprintf(stderr, \ "\nParser stack overflow, line %d, column %d\n",\ (PCB).line, (PCB).column);} #endif #ifndef REDUCTION_TOKEN_ERROR #define REDUCTION_TOKEN_ERROR {fprintf(stderr, \ "\nReduction token error, line %d, column %d\n", \ (PCB).line, (PCB).column);} #endif typedef enum {ag_accept_key, ag_set_key, ag_jmp_key, ag_end_key, ag_no_match_key, ag_cf_accept_key, ag_cf_set_key, ag_cf_end_key} key_words; #ifndef GET_INPUT #define GET_INPUT ((PCB).input_code = getchar()) #endif static int ag_look_ahead(void) { if ((PCB).rx < (PCB).fx) { return CONVERT_CASE((PCB).lab[(PCB).rx++]); } GET_INPUT; (PCB).fx++; return CONVERT_CASE((PCB).lab[(PCB).rx++] = (PCB).input_code); } static void ag_get_key_word(int ag_k) { int save_index = (PCB).rx; const unsigned char *sp; int ag_ch; while (1) { switch (ag_key_act[ag_k]) { case ag_cf_end_key: sp = ag_key_ends + ag_key_jmp[ag_k]; do { if ((ag_ch = *sp++) == 0) { int ag_k1 = ag_key_parm[ag_k]; int ag_k2 = ag_key_pt[ag_k1]; if (ag_key_itt[ag_k2 + ag_look_ahead()]) goto ag_fail; (PCB).rx--; (PCB).token_number = (pex2_token_type) ag_key_pt[ag_k1 + 1]; return; } } while (ag_look_ahead() == ag_ch); goto ag_fail; case ag_end_key: sp = ag_key_ends + ag_key_jmp[ag_k]; do { if ((ag_ch = *sp++) == 0) { (PCB).token_number = (pex2_token_type) ag_key_parm[ag_k]; return; } } while (ag_look_ahead() == ag_ch); case ag_no_match_key: ag_fail: (PCB).rx = save_index; return; case ag_cf_set_key: { int ag_k1 = ag_key_parm[ag_k]; int ag_k2 = ag_key_pt[ag_k1]; ag_k = ag_key_jmp[ag_k]; if (ag_key_itt[ag_k2 + (ag_ch = ag_look_ahead())]) break; save_index = --(PCB).rx; (PCB).token_number = (pex2_token_type) ag_key_pt[ag_k1+1]; break; } case ag_set_key: save_index = (PCB).rx; (PCB).token_number = (pex2_token_type) ag_key_parm[ag_k]; case ag_jmp_key: ag_k = ag_key_jmp[ag_k]; ag_ch = ag_look_ahead(); break; case ag_accept_key: (PCB).token_number = (pex2_token_type) ag_key_parm[ag_k]; return; case ag_cf_accept_key: { int ag_k1 = ag_key_parm[ag_k]; int ag_k2 = ag_key_pt[ag_k1]; if (ag_key_itt[ag_k2 + ag_look_ahead()]) (PCB).rx = save_index; else { (PCB).rx--; (PCB).token_number = (pex2_token_type) ag_key_pt[ag_k1+1]; } return; } default: /* not reachable; here to suppress compiler warnings */ goto ag_fail; } if (ag_ch <= 255) while (ag_key_ch[ag_k] < ag_ch) ag_k++; if (ag_ch > 255 || ag_key_ch[ag_k] != ag_ch) { (PCB).rx = save_index; return; } } } #ifndef AG_NEWLINE #define AG_NEWLINE 10 #endif #ifndef AG_RETURN #define AG_RETURN 13 #endif #ifndef AG_FORMFEED #define AG_FORMFEED 12 #endif #ifndef AG_TABCHAR #define AG_TABCHAR 9 #endif static void ag_track(void) { int ag_k = 0; while (ag_k < (PCB).rx) { int ag_ch = (PCB).lab[ag_k++]; switch (ag_ch) { case AG_NEWLINE: (PCB).column = 1, (PCB).line++; case AG_RETURN: case AG_FORMFEED: break; case AG_TABCHAR: (PCB).column += (TAB_SPACING) - ((PCB).column - 1) % (TAB_SPACING); break; default: (PCB).column++; } } ag_k = 0; while ((PCB).rx < (PCB).fx) (PCB).lab[ag_k++] = (PCB).lab[(PCB).rx++]; (PCB).fx = ag_k; (PCB).rx = 0; } static void ag_prot(void) { int ag_k; ag_k = 128 - ++(PCB).btsx; if (ag_k <= (PCB).ssx) { (PCB).exit_flag = AG_STACK_ERROR_CODE; PARSER_STACK_OVERFLOW; return; } (PCB).bts[(PCB).btsx] = (PCB).sn; (PCB).bts[ag_k] = (PCB).ssx; (PCB).vs[ag_k] = (PCB).vs[(PCB).ssx]; (PCB).ss[ag_k] = (PCB).ss[(PCB).ssx]; } static void ag_undo(void) { if ((PCB).drt == -1) return; while ((PCB).btsx) { int ag_k = 128 - (PCB).btsx; (PCB).sn = (PCB).bts[(PCB).btsx--]; (PCB).ssx = (PCB).bts[ag_k]; (PCB).vs[(PCB).ssx] = (PCB).vs[ag_k]; (PCB).ss[(PCB).ssx] = (PCB).ss[ag_k]; } (PCB).token_number = (pex2_token_type) (PCB).drt; (PCB).ssx = (PCB).dssx; (PCB).sn = (PCB).dsn; (PCB).drt = -1; } static const int ag_rtt[] = { 19, 7, 0 }; static const unsigned char ag_tstt[] = { 31,4,3,0,1,28,29, 4,3,0,1, 31,0,5,6,10, 18,17,11,4,3,0,1,28,29, 18,17,11,0,2,15,30, 18,17,11,3,0,13,14, 18,17,0,35, 32,4,3,0,1,28,29, 32,0,7,8,9,19,20, 11,3,0, 34,33,18,17,0,21,22,23,24,25,26,27, 32,0,7,8,19,20, 34,33,18,17,4,3,0,1,28,29, 34,33,18,17,4,3,0,1,28,29, 33,18,17,4,3,0,1,28,29, 33,0,23, 34,0,22, 33,0,23,24, 18,17,0,16,35, 18,17,0,16,35, 33,0,23, 32,18,17,4,3,0,1,28,29, }; static unsigned const char ag_astt[139] = { 8,1,1,7,1,1,1,9,9,5,3,1,7,0,1,2,5,5,5,1,1,7,1,1,3,8,8,1,7,1,1,1,5,5,1,1,7, 1,3,2,2,7,2,5,1,1,7,1,1,3,1,7,3,1,1,1,2,9,9,5,1,1,8,8,7,1,1,1,1,1,1,1,1,7, 3,3,1,2,5,5,5,5,1,1,7,1,1,3,5,5,5,5,1,1,7,1,1,3,5,5,5,1,1,7,1,1,3,1,5,3,1, 5,3,1,5,1,1,1,1,7,3,1,1,1,7,2,1,1,5,3,5,5,5,1,1,7,1,1,3 }; static const unsigned char ag_pstt[] = { 2,1,1,0,1,1,2, 32,32,34,32, 3,2,0,4,7, 33,33,33,1,1,3,1,1,36, 6,6,5,4,8,6,7, 10,10,9,9,5,9,13, 14,14,6,14, 33,1,1,7,1,1,35, 12,8,3,11,11,10,17, 9,9,11, 14,13,18,18,10,19,17,15,15,17,16,18, 12,11,6,5,10,17, 33,33,33,33,1,1,12,1,1,37, 33,33,33,33,1,1,13,1,1,38, 33,33,33,1,1,14,1,1,39, 13,24,20, 14,27,22, 13,26,20,20, 21,21,18,28,21, 21,21,19,18,21, 13,23,20, 33,33,33,1,1,21,1,1,40, }; static const unsigned char ag_sbt[] = { 0, 7, 11, 16, 25, 32, 39, 43, 50, 57, 60, 72, 78, 88, 98, 107, 110, 113, 117, 122, 127, 130, 139 }; static const unsigned char ag_sbe[] = { 3, 9, 12, 21, 28, 36, 41, 46, 51, 59, 64, 73, 84, 94, 103, 108, 111, 114, 119, 124, 128, 135, 139 }; static const unsigned char ag_fl[] = { 2,1,1,3,1,2,4,1,1,2,0,1,0,2,2,1,1,1,3,1,2,1,2,2,1,0,1,1,2,1,1,1,2,0,1, 2,2,2,2,2,2 }; static const unsigned char ag_ptt[] = { 0, 1, 1, 5, 9, 9, 5, 6, 13, 13, 14, 14, 15, 15, 30, 35, 35, 19, 8, 24, 24, 25, 25, 26, 26, 27, 27, 27, 21, 12, 12, 28, 28, 29, 29, 2, 10, 20, 23, 22, 16 }; static const unsigned char *ag_valid(int ag_k) { const unsigned char *ag_tp = &ag_tstt[ag_sbt[(PCB).sn+1]]; while (*--ag_tp != (unsigned char) ag_k) if (*ag_tp == 0) return NULL; return ag_tp; } int pex2_change_reduction(pex2_token_type ag_k) { if (!ag_valid(ag_k)) return 0; (PCB).reduction_token = ag_k; return 1; } static void ag_default(const int *ag_tp) { (PCB).ag_dsn = (PCB).sn; (PCB).ag_dtl = ag_tp; while (!ag_valid((pex2_token_type) *ag_tp)) ag_tp++; (PCB).reduction_token = (pex2_token_type) *ag_tp; } static void ag_ra(void) { switch(ag_rpx[(PCB).ag_ap]) { case 1: ag_rp_1(); break; case 2: ag_rp_2(); break; case 3: ag_default(&ag_rtt[0]); ag_rp_3(VS(0)); break; case 4: ag_rp_4(); break; } } #define TOKEN_NAMES pex2_token_names const char *const pex2_token_names[36] = { "while loop", "white space", "while body text", "space", "comment", "while loop", "while head", "false while condition", "while iteration", "", "\"!WHILE\"", "", "", "", "", "", "while body terminator", "\"!ENDW\"", "\"!ENDWHILE\"", "true while condition", "expression", "while body", "section", "eol", "", "", "", "", "", "", "while body text", "\"!WHILE\"", "expression", "eol", "section", "while body terminator", }; #ifndef MISSING_FORMAT #define MISSING_FORMAT "Missing %s" #endif #ifndef UNEXPECTED_FORMAT #define UNEXPECTED_FORMAT "Unexpected %s" #endif #ifndef UNNAMED_TOKEN #define UNNAMED_TOKEN "input" #endif static void ag_diagnose(void) { int ag_snd = (PCB).sn; int ag_k = ag_sbt[ag_snd]; if (*TOKEN_NAMES[ag_tstt[ag_k]] && ag_astt[ag_k + 1] == ag_action_8) { sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]); } else if (ag_astt[ag_sbe[(PCB).sn]] == ag_action_8 && (ag_k = (int) ag_sbe[(PCB).sn] + 1) == (int) ag_sbt[(PCB).sn+1] - 1 && *TOKEN_NAMES[ag_tstt[ag_k]]) { sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]); } else if ((PCB).token_number && *TOKEN_NAMES[(PCB).token_number]) { sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, TOKEN_NAMES[(PCB).token_number]); } else if (isprint((*(PCB).lab)) && (*(PCB).lab) != '\\') { char buf[20]; sprintf(buf, "\'%c\'", (char) (*(PCB).lab)); sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, buf); } else sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, UNNAMED_TOKEN); (PCB).error_message = (PCB).ag_msg; } static int ag_action_1_r_proc(void); static int ag_action_2_r_proc(void); static int ag_action_3_r_proc(void); static int ag_action_4_r_proc(void); static int ag_action_1_s_proc(void); static int ag_action_3_s_proc(void); static int ag_action_1_proc(void); static int ag_action_2_proc(void); static int ag_action_3_proc(void); static int ag_action_4_proc(void); static int ag_action_5_proc(void); static int ag_action_6_proc(void); static int ag_action_7_proc(void); static int ag_action_8_proc(void); static int ag_action_9_proc(void); static int ag_action_10_proc(void); static int ag_action_11_proc(void); static int ag_action_8_proc(void); static int (*const ag_r_procs_scan[])(void) = { ag_action_1_r_proc, ag_action_2_r_proc, ag_action_3_r_proc, ag_action_4_r_proc }; static int (*const ag_s_procs_scan[])(void) = { ag_action_1_s_proc, ag_action_2_r_proc, ag_action_3_s_proc, ag_action_4_r_proc }; static int (*const ag_gt_procs_scan[])(void) = { ag_action_1_proc, ag_action_2_proc, ag_action_3_proc, ag_action_4_proc, ag_action_5_proc, ag_action_6_proc, ag_action_7_proc, ag_action_8_proc, ag_action_9_proc, ag_action_10_proc, ag_action_11_proc, ag_action_8_proc }; static int ag_action_10_proc(void) { int ag_t = (PCB).token_number; (PCB).btsx = 0, (PCB).drt = -1; do { ag_track(); if ((PCB).rx < (PCB).fx) { (PCB).input_code = (PCB).lab[(PCB).rx++]; (PCB).token_number = (pex2_token_type) AG_TCV((PCB).input_code);} else { GET_INPUT; (PCB).lab[(PCB).fx++] = (PCB).input_code; (PCB).token_number = (pex2_token_type) AG_TCV((PCB).input_code); (PCB).rx++; } if (ag_key_index[(PCB).sn]) { unsigned ag_k = ag_key_index[(PCB).sn]; int ag_ch = CONVERT_CASE((PCB).input_code); if (ag_ch < 255) { while (ag_key_ch[ag_k] < ag_ch) ag_k++; if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); } } } while ((PCB).token_number == (pex2_token_type) ag_t); (PCB).rx = 0; return 1; } static int ag_action_11_proc(void) { int ag_t = (PCB).token_number; (PCB).btsx = 0, (PCB).drt = -1; do { (PCB).vs[(PCB).ssx] = *(PCB).lab; (PCB).ssx--; ag_track(); ag_ra(); if ((PCB).exit_flag != AG_RUNNING_CODE) return 0; (PCB).ssx++; if ((PCB).rx < (PCB).fx) { (PCB).input_code = (PCB).lab[(PCB).rx++]; (PCB).token_number = (pex2_token_type) AG_TCV((PCB).input_code);} else { GET_INPUT; (PCB).lab[(PCB).fx++] = (PCB).input_code; (PCB).token_number = (pex2_token_type) AG_TCV((PCB).input_code); (PCB).rx++; } if (ag_key_index[(PCB).sn]) { unsigned ag_k = ag_key_index[(PCB).sn]; int ag_ch = CONVERT_CASE((PCB).input_code); if (ag_ch < 255) { while (ag_key_ch[ag_k] < ag_ch) ag_k++; if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); } } } while ((PCB).token_number == (pex2_token_type) ag_t); (PCB).rx = 0; return 1; } static int ag_action_3_r_proc(void) { int ag_sd = ag_fl[(PCB).ag_ap] - 1; if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; (PCB).btsx = 0, (PCB).drt = -1; (PCB).reduction_token = (pex2_token_type) ag_ptt[(PCB).ag_ap]; ag_ra(); return (PCB).exit_flag == AG_RUNNING_CODE; } static int ag_action_3_s_proc(void) { int ag_sd = ag_fl[(PCB).ag_ap] - 1; if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; (PCB).btsx = 0, (PCB).drt = -1; (PCB).reduction_token = (pex2_token_type) ag_ptt[(PCB).ag_ap]; ag_ra(); return (PCB).exit_flag == AG_RUNNING_CODE; } static int ag_action_4_r_proc(void) { int ag_sd = ag_fl[(PCB).ag_ap] - 1; if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; (PCB).reduction_token = (pex2_token_type) ag_ptt[(PCB).ag_ap]; return 1; } static int ag_action_2_proc(void) { (PCB).btsx = 0, (PCB).drt = -1; if ((PCB).ssx >= 128) { (PCB).exit_flag = AG_STACK_ERROR_CODE; PARSER_STACK_OVERFLOW; } (PCB).vs[(PCB).ssx] = *(PCB).lab; (PCB).ss[(PCB).ssx] = (PCB).sn; (PCB).ssx++; (PCB).sn = (PCB).ag_ap; ag_track(); return 0; } static int ag_action_9_proc(void) { if ((PCB).drt == -1) { (PCB).drt=(PCB).token_number; (PCB).dssx=(PCB).ssx; (PCB).dsn=(PCB).sn; } ag_prot(); (PCB).vs[(PCB).ssx] = ag_null_value; (PCB).ss[(PCB).ssx] = (PCB).sn; (PCB).ssx++; (PCB).sn = (PCB).ag_ap; (PCB).rx = 0; return (PCB).exit_flag == AG_RUNNING_CODE; } static int ag_action_2_r_proc(void) { (PCB).ssx++; (PCB).sn = (PCB).ag_ap; return 0; } static int ag_action_7_proc(void) { --(PCB).ssx; (PCB).rx = 0; (PCB).exit_flag = AG_SUCCESS_CODE; return 0; } static int ag_action_1_proc(void) { ag_track(); (PCB).exit_flag = AG_SUCCESS_CODE; return 0; } static int ag_action_1_r_proc(void) { (PCB).exit_flag = AG_SUCCESS_CODE; return 0; } static int ag_action_1_s_proc(void) { (PCB).exit_flag = AG_SUCCESS_CODE; return 0; } static int ag_action_4_proc(void) { int ag_sd = ag_fl[(PCB).ag_ap] - 1; (PCB).reduction_token = (pex2_token_type) ag_ptt[(PCB).ag_ap]; (PCB).btsx = 0, (PCB).drt = -1; (PCB).vs[(PCB).ssx] = *(PCB).lab; if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; else (PCB).ss[(PCB).ssx] = (PCB).sn; ag_track(); while ((PCB).exit_flag == AG_RUNNING_CODE) { unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; do { unsigned ag_tx = (ag_t1 + ag_t2)/2; if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; else ag_t2 = ag_tx; } while (ag_t1 < ag_t2); if (ag_tstt[ag_t1] != (PCB).reduction_token) { (PCB).exit_flag = AG_REDUCTION_ERROR_CODE; REDUCTION_TOKEN_ERROR; break;} (PCB).ag_ap = ag_pstt[ag_t1]; if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; } return 0; } static int ag_action_3_proc(void) { int ag_sd = ag_fl[(PCB).ag_ap] - 1; (PCB).btsx = 0, (PCB).drt = -1; (PCB).vs[(PCB).ssx] = *(PCB).lab; if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; else (PCB).ss[(PCB).ssx] = (PCB).sn; ag_track(); (PCB).reduction_token = (pex2_token_type) ag_ptt[(PCB).ag_ap]; ag_ra(); while ((PCB).exit_flag == AG_RUNNING_CODE) { unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; do { unsigned ag_tx = (ag_t1 + ag_t2)/2; if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; else ag_t2 = ag_tx; } while (ag_t1 < ag_t2); if (ag_tstt[ag_t1] != (PCB).reduction_token) { (PCB).exit_flag = AG_REDUCTION_ERROR_CODE; REDUCTION_TOKEN_ERROR; break;} (PCB).ag_ap = ag_pstt[ag_t1]; if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; } return 0; } static int ag_action_8_proc(void) { ag_undo(); (PCB).rx = 0; (PCB).exit_flag = AG_SYNTAX_ERROR_CODE; ag_diagnose(); SYNTAX_ERROR; {(PCB).rx = 1; ag_track();} return (PCB).exit_flag == AG_RUNNING_CODE; } static int ag_action_5_proc(void) { int ag_sd = ag_fl[(PCB).ag_ap]; (PCB).btsx = 0, (PCB).drt = -1; if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; else { (PCB).ss[(PCB).ssx] = (PCB).sn; } (PCB).rx = 0; (PCB).reduction_token = (pex2_token_type) ag_ptt[(PCB).ag_ap]; ag_ra(); while ((PCB).exit_flag == AG_RUNNING_CODE) { unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; do { unsigned ag_tx = (ag_t1 + ag_t2)/2; if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; else ag_t2 = ag_tx; } while (ag_t1 < ag_t2); if (ag_tstt[ag_t1] != (PCB).reduction_token) { (PCB).exit_flag = AG_REDUCTION_ERROR_CODE; REDUCTION_TOKEN_ERROR; break;} (PCB).ag_ap = ag_pstt[ag_t1]; if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break; } return (PCB).exit_flag == AG_RUNNING_CODE; } static int ag_action_6_proc(void) { int ag_sd = ag_fl[(PCB).ag_ap]; (PCB).reduction_token = (pex2_token_type) ag_ptt[(PCB).ag_ap]; if ((PCB).drt == -1) { (PCB).drt=(PCB).token_number; (PCB).dssx=(PCB).ssx; (PCB).dsn=(PCB).sn; } if (ag_sd) { (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; } else { ag_prot(); (PCB).vs[(PCB).ssx] = ag_null_value; (PCB).ss[(PCB).ssx] = (PCB).sn; } (PCB).rx = 0; while ((PCB).exit_flag == AG_RUNNING_CODE) { unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; do { unsigned ag_tx = (ag_t1 + ag_t2)/2; if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; else ag_t2 = ag_tx; } while (ag_t1 < ag_t2); if (ag_tstt[ag_t1] != (PCB).reduction_token) { (PCB).exit_flag = AG_REDUCTION_ERROR_CODE; REDUCTION_TOKEN_ERROR; break;} (PCB).ag_ap = ag_pstt[ag_t1]; if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break; } return (PCB).exit_flag == AG_RUNNING_CODE; } void init_pex2(void) { (PCB).rx = (PCB).fx = 0; (PCB).ss[0] = (PCB).sn = (PCB).ssx = 0; (PCB).exit_flag = AG_RUNNING_CODE; (PCB).line = FIRST_LINE; (PCB).column = FIRST_COLUMN; (PCB).btsx = 0, (PCB).drt = -1; } void pex2(void) { init_pex2(); (PCB).exit_flag = AG_RUNNING_CODE; while ((PCB).exit_flag == AG_RUNNING_CODE) { unsigned ag_t1 = ag_sbt[(PCB).sn]; if (ag_tstt[ag_t1]) { unsigned ag_t2 = ag_sbe[(PCB).sn] - 1; if ((PCB).rx < (PCB).fx) { (PCB).input_code = (PCB).lab[(PCB).rx++]; (PCB).token_number = (pex2_token_type) AG_TCV((PCB).input_code);} else { GET_INPUT; (PCB).lab[(PCB).fx++] = (PCB).input_code; (PCB).token_number = (pex2_token_type) AG_TCV((PCB).input_code); (PCB).rx++; } if (ag_key_index[(PCB).sn]) { unsigned ag_k = ag_key_index[(PCB).sn]; int ag_ch = CONVERT_CASE((PCB).input_code); if (ag_ch < 255) { while (ag_key_ch[ag_k] < ag_ch) ag_k++; if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); } } do { unsigned ag_tx = (ag_t1 + ag_t2)/2; if (ag_tstt[ag_tx] > (unsigned char)(PCB).token_number) ag_t1 = ag_tx + 1; else ag_t2 = ag_tx; } while (ag_t1 < ag_t2); if (ag_tstt[ag_t1] != (unsigned char)(PCB).token_number) ag_t1 = ag_sbe[(PCB).sn]; } (PCB).ag_ap = ag_pstt[ag_t1]; (ag_gt_procs_scan[ag_astt[ag_t1]])(); } } int main(void) { pex2(); return 0; }