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view tests/agcl/examples/good/ffcalc.c @ 0:13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
author | David A. Holland |
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date | Sat, 22 Dec 2007 17:52:45 -0500 |
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/* FOUR FUNCTION CALCULATOR: FFCALC.SYN */ /* * 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 FFCALC_H #include "ffcalc.h" #endif #ifndef FFCALC_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]) ffcalc_pcb_type ffcalc_pcb; #define PCB ffcalc_pcb /* Line -, ffcalc.syn */ /* -- EMBEDDED C ---------------------------------- */ double value[64]; /* registers */ int main(void) { ffcalc(); return 0; } #ifndef CONVERT_CASE #define CONVERT_CASE(c) (c) #endif #ifndef TAB_SPACING #define TAB_SPACING 8 #endif #define ag_rp_1(x) (printf("%g\n",x)) static void ag_rp_2(int n, double x) { /* Line -, ffcalc.syn */ printf("%c = %g\n",n+'A',value[n]=x); } #define ag_rp_3(x, t) (x+t) #define ag_rp_4(x, t) (x-t) #define ag_rp_5(t, f) (t*f) #define ag_rp_6(t, f) (t/f) #define ag_rp_7(n) (value[n]) #define ag_rp_8(x) (x) #define ag_rp_9(f) (-f) #define ag_rp_10(c) (c-'A') #define ag_rp_11(i, f) (i+f) #define ag_rp_12(f) (f) #define ag_rp_13(d) (d-'0') #define ag_rp_14(x, d) (10*x + d-'0') #define ag_rp_15(d) ((d-'0')/10.) #define ag_rp_16(d, f) ((d-'0' + f)/10.) #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 ffcalc_vs_type const ag_null_value NULL_VALUE_INITIALIZER; static const unsigned char ag_rpx[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 3, 4, 0, 5, 6, 7, 0, 8, 9, 0, 0, 0, 0, 0, 0, 10, 11, 0, 0, 0, 12, 13, 14, 15, 16 }; static const unsigned char ag_key_itt[] = { 0 }; static const unsigned short ag_key_pt[] = { 0 }; static const unsigned char ag_key_ch[] = { 0, 47,255, 42,255 }; static const unsigned char ag_key_act[] = { 0,3,4,3,4 }; static const unsigned char ag_key_parm[] = { 0, 24, 0, 28, 0 }; static const unsigned char ag_key_jmp[] = { 0, 0, 0, 2, 0 }; static const unsigned char ag_key_index[] = { 1, 3, 1, 0, 3, 3, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0 }; static const unsigned char ag_key_ends[] = { 42,0, 47,0, }; #define AG_TCV(x) (((int)(x) >= -1 && (int)(x) <= 255) ? ag_tcv[(x) + 1] : 0) static const unsigned char ag_tcv[] = { 10, 35, 35, 35, 35, 35, 35, 35, 35, 35, 23, 38, 23, 23, 23, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 23, 35, 35, 35, 35, 35, 35, 35, 46, 45, 42, 40, 35, 41, 31, 43, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 35, 35, 35, 39, 35, 35, 35, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 35, 35, 35, 35, 35, 35, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35 }; #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 = (ffcalc_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 = (ffcalc_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 = (ffcalc_token_type) ag_key_pt[ag_k1+1]; break; } case ag_set_key: save_index = (PCB).rx; (PCB).token_number = (ffcalc_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 = (ffcalc_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 = (ffcalc_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 = (ffcalc_token_type) (PCB).drt; (PCB).ssx = (PCB).dssx; (PCB).sn = (PCB).dsn; (PCB).drt = -1; } static const unsigned char ag_tstt[] = { 47,46,41,38,34,31,24,23,10,0,1,36,37, 47,46,45,43,42,41,40,39,38,35,34,31,28,23,0,26,27, 24,23,0,1, 47,46,41,38,34,31,14,10,0,2,3,4,5,7,8,9,11,12,15,17,18,21,29,30,44, 47,46,45,43,42,41,40,39,38,35,34,31,23,0, 28,0, 34,0,32, 45,43,42,41,40,38,34,31,24,23,0,33, 47,46,41,34,31,24,23,0,1,36,37, 47,46,41,34,31,24,23,0,1,36,37, 45,43,42,41,40,38,24,23,0,1,36,37, 47,46,41,34,31,0,2,12,17,18,21,29,30,44, 47,46,41,34,31,0,2,11,12,15,17,18,21,29,30,44, 45,43,42,41,40,39,38,24,23,0,1,36,37, 43,42,0,19,20, 43,42,41,40,39,38,0,13, 41,40,38,0,16,17, 38,0,6, 47,46,41,38,34,31,14,10,0,2,4,5,7,11,12,15,17,18,21,29,30,44, 10,0, 45,43,42,41,40,38,34,24,23,0,32, 34,0,32, 45,41,40,0,16,17,22, 47,46,41,34,31,24,23,0,1,36,37, 47,46,41,34,31,0,2,12,17,18,21,29,30,44, 47,46,41,34,31,24,23,0,1,36,37, 47,46,41,34,31,0,2,12,17,18,21,29,30,44, 47,46,41,34,31,24,23,0,1,36,37, 47,46,41,34,31,0,2,11,12,15,17,18,21,29,30,44, 47,46,41,34,31,0,2,12,15,17,18,21,29,30,44, 47,46,41,34,31,24,23,0,1,36,37, 47,46,41,34,31,0,2,12,15,17,18,21,29,30,44, 47,46,41,38,34,31,24,23,10,0,1,36,37, 45,43,42,41,40,38,24,23,0,1,36,37, 41,40,38,0,16,17, 45,43,42,41,40,38,0,19,20, 45,43,42,41,40,38,0,19,20, }; static unsigned const char ag_astt[401] = { 8,8,8,8,8,8,1,1,8,7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,8,1,7,1,1,1,9,5,3,1,1,1, 8,2,1,1,8,7,1,0,1,1,1,1,1,1,1,1,1,1,1,2,1,1,9,9,9,9,9,9,9,9,9,9,9,9,9,5,3, 7,1,7,2,5,5,5,5,5,5,10,1,5,5,7,3,5,5,5,5,5,1,1,7,1,1,3,5,5,5,5,5,1,1,7,1,1, 3,5,5,5,5,5,5,1,1,7,1,1,3,1,1,1,2,1,7,2,2,1,2,1,2,1,1,1,1,1,2,1,7,1,1,2,1, 1,1,1,2,1,1,5,5,5,5,5,5,5,1,1,7,1,1,3,1,1,5,1,1,4,4,4,4,1,4,7,1,1,1,4,7,1, 1,1,7,3,1,1,1,8,2,1,1,5,7,1,1,1,3,1,1,1,1,1,1,2,1,1,3,7,4,4,4,4,4,4,1,4,4, 7,2,1,5,2,1,1,1,7,1,1,2,5,5,5,5,5,1,1,7,1,1,3,1,1,1,2,1,7,2,2,1,2,1,2,1,1, 5,5,5,5,5,1,1,7,1,1,3,1,1,1,2,1,7,2,2,1,2,1,2,1,1,5,5,5,5,5,1,1,7,1,1,3,1, 1,1,2,1,7,1,1,2,1,1,1,1,2,1,1,1,1,1,2,1,7,1,2,1,1,1,1,2,1,1,5,5,5,5,5,1,1, 7,1,1,3,1,1,1,2,1,7,1,2,1,1,1,1,2,1,1,5,5,5,5,5,5,1,1,5,7,1,1,3,5,5,5,5,5, 5,1,1,7,1,1,3,1,1,4,7,1,1,4,1,1,4,4,4,7,1,1,4,1,1,4,4,4,7,1,1 }; static const unsigned char ag_pstt[] = { 3,3,3,3,3,3,1,2,3,0,2,2,3, 4,4,4,4,4,4,4,4,4,4,4,4,5,4,1,4,5, 1,52,54,52, 13,9,8,17,34,6,17,19,3,14,0,17,17,18,18,19,16,15,14,11,14,12,28,7,10, 24,24,24,24,24,24,24,24,24,24,24,24,24,26, 27,5, 20,6,33, 30,30,30,30,30,30,35,21,30,30,7,32, 53,53,53,53,53,1,2,8,2,2,58, 53,53,53,53,53,1,2,9,2,2,63, 53,53,53,53,53,53,1,2,10,2,2,61, 13,9,8,34,6,11,21,18,11,21,12,28,7,10, 13,9,8,34,6,12,14,22,18,14,11,14,12,28,7,10, 53,53,53,53,53,53,53,1,2,13,2,2,64, 23,25,12,26,24, 18,18,18,18,27,18,15,28, 8,30,9,16,31,29, 32,17,3, 13,9,8,17,34,6,17,7,18,14,17,17,5,16,15,14,11,14,12,28,7,10, 8,19, 36,36,36,36,36,36,20,36,36,20,37, 20,31,29, 33,8,30,22,31,29,20, 53,53,53,53,53,1,2,23,2,2,60, 13,9,8,34,6,24,17,18,11,17,12,28,7,10, 53,53,53,53,53,1,2,25,2,2,59, 13,9,8,34,6,26,16,18,11,16,12,28,7,10, 53,53,53,53,53,1,2,27,2,2,56, 13,9,8,34,6,28,14,34,18,14,11,14,12,28,7,10, 13,9,8,34,6,29,35,18,35,11,35,12,28,7,10, 53,53,53,53,53,1,2,30,2,2,57, 13,9,8,34,6,31,36,18,36,11,36,12,28,7,10, 53,53,53,53,53,53,1,2,53,32,2,2,55, 53,53,53,53,53,53,1,2,33,2,2,62, 8,30,10,34,31,29, 14,23,25,14,14,14,35,26,24, 13,23,25,13,13,13,36,26,24, }; static const unsigned short ag_sbt[] = { 0, 13, 30, 34, 59, 73, 75, 78, 90, 101, 112, 124, 138, 154, 167, 172, 180, 186, 189, 211, 213, 224, 227, 234, 245, 259, 270, 284, 295, 311, 326, 337, 352, 365, 377, 383, 392, 401 }; static const unsigned short ag_sbe[] = { 9, 27, 32, 42, 72, 74, 76, 88, 97, 108, 120, 129, 143, 163, 169, 178, 183, 187, 197, 212, 222, 225, 230, 241, 250, 266, 275, 291, 300, 316, 333, 342, 361, 373, 380, 389, 398, 401 }; static const unsigned char ag_fl[] = { 2,0,1,2,1,2,0,1,2,1,3,1,1,3,3,1,3,3,1,1,3,2,1,1,2,0,1,3,1,3,0,1,2,2,1, 2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,0,1,2,2,2,2,2,2,2,2,2,2 }; static const unsigned char ag_ptt[] = { 0, 5, 5, 7, 8, 8, 9, 9, 3, 4, 4, 4, 11, 11, 11, 15, 15, 15, 18, 18, 18, 18, 1, 26, 26, 27, 27, 1, 12, 44, 33, 33, 44, 44, 30, 30, 32, 32, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 36, 36, 37, 37, 6, 13, 16, 17, 19, 20, 2, 22, 21, 29 }; static void ag_ra(void) { switch(ag_rpx[(PCB).ag_ap]) { case 1: ag_rp_1(V(0,(double *))); break; case 2: ag_rp_2(V(0,(int *)), V(2,(double *))); break; case 3: V(0,(double *)) = ag_rp_3(V(0,(double *)), V(2,(double *))); break; case 4: V(0,(double *)) = ag_rp_4(V(0,(double *)), V(2,(double *))); break; case 5: V(0,(double *)) = ag_rp_5(V(0,(double *)), V(2,(double *))); break; case 6: V(0,(double *)) = ag_rp_6(V(0,(double *)), V(2,(double *))); break; case 7: V(0,(double *)) = ag_rp_7(V(0,(int *))); break; case 8: V(0,(double *)) = ag_rp_8(V(1,(double *))); break; case 9: V(0,(double *)) = ag_rp_9(V(1,(double *))); break; case 10: V(0,(int *)) = ag_rp_10(V(0,(int *))); break; case 11: V(0,(double *)) = ag_rp_11(V(0,(double *)), V(2,(double *))); break; case 12: V(0,(double *)) = ag_rp_12(V(1,(double *))); break; case 13: V(0,(double *)) = ag_rp_13(V(0,(int *))); break; case 14: V(0,(double *)) = ag_rp_14(V(0,(double *)), V(1,(int *))); break; case 15: V(0,(double *)) = ag_rp_15(V(0,(int *))); break; case 16: V(0,(double *)) = ag_rp_16(V(0,(int *)), V(1,(double *))); break; } } #define TOKEN_NAMES ffcalc_token_names const char *const ffcalc_token_names[48] = { "calculator", "white space", "real", "calculator", "calculation", "", "'\\n'", "", "", "", "eof", "expression", "name", "'='", "error", "term", "'+'", "'-'", "factor", "'*'", "'/'", "'('", "')'", "", "\"/*\"", "", "", "", "\"*/\"", "", "integer part", "'.'", "fraction part", "", "digit", "", "", "", "'\\n'", "'='", "'+'", "'-'", "'*'", "'/'", "real", "')'", "'('", "", }; #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_1_er_proc(void); static int ag_action_2_er_proc(void); static int ag_action_3_er_proc(void); static int ag_action_4_er_proc(void); static int (*const ag_er_procs_scan[])(void) = { ag_action_1_er_proc, ag_action_2_er_proc, ag_action_3_er_proc, ag_action_4_er_proc }; static void ag_error_resynch(void) { int ag_k; int ag_ssx = (PCB).ssx; ag_diagnose(); SYNTAX_ERROR; if ((PCB).exit_flag != AG_RUNNING_CODE) return; while (1) { ag_k = ag_sbt[(PCB).sn]; while (ag_tstt[ag_k] != 14 && ag_tstt[ag_k]) ag_k++; if (ag_tstt[ag_k] || (PCB).ssx == 0) break; (PCB).sn = (PCB).ss[--(PCB).ssx]; } if (ag_tstt[ag_k] == 0) { (PCB).sn = PCB.ss[(PCB).ssx = ag_ssx]; (PCB).exit_flag = AG_SYNTAX_ERROR_CODE; return; } ag_k = ag_sbt[(PCB).sn]; while (ag_tstt[ag_k] != 14 && ag_tstt[ag_k]) ag_k++; (PCB).ag_ap = ag_pstt[ag_k]; (ag_er_procs_scan[ag_astt[ag_k]])(); while (1) { ag_k = ag_sbt[(PCB).sn]; while (ag_tstt[ag_k] != (unsigned char) (PCB).token_number && ag_tstt[ag_k]) ag_k++; if (ag_tstt[ag_k] && ag_astt[ag_k] != ag_action_10) break; if ((PCB).token_number == 10) {(PCB).exit_flag = AG_SYNTAX_ERROR_CODE; return;} {(PCB).rx = 1; ag_track();} if ((PCB).rx < (PCB).fx) { (PCB).input_code = (PCB).lab[(PCB).rx++]; (PCB).token_number = (ffcalc_token_type) AG_TCV((PCB).input_code);} else { GET_INPUT; (PCB).lab[(PCB).fx++] = (PCB).input_code; (PCB).token_number = (ffcalc_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); } } } (PCB).rx = 0; } 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 = (ffcalc_token_type) AG_TCV((PCB).input_code);} else { GET_INPUT; (PCB).lab[(PCB).fx++] = (PCB).input_code; (PCB).token_number = (ffcalc_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 == (ffcalc_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 { (*(int *) &(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 = (ffcalc_token_type) AG_TCV((PCB).input_code);} else { GET_INPUT; (PCB).lab[(PCB).fx++] = (PCB).input_code; (PCB).token_number = (ffcalc_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 == (ffcalc_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 = (ffcalc_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 = (ffcalc_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 = (ffcalc_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; } (*(int *) &(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 = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; (PCB).btsx = 0, (PCB).drt = -1; (*(int *) &(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); (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; (*(int *) &(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 = (ffcalc_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); (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) { int ag_k = ag_sbt[(PCB).sn]; while (ag_tstt[ag_k] != 14 && ag_tstt[ag_k]) ag_k++; if (ag_tstt[ag_k] == 0) ag_undo(); (PCB).rx = 0; ag_error_resynch(); 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 = (ffcalc_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); (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 = (ffcalc_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); (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_2_er_proc(void) { (PCB).btsx = 0, (PCB).drt = -1; (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; (PCB).ssx++; (PCB).sn = (PCB).ag_ap; return 0; } static int ag_action_1_er_proc(void) { (PCB).btsx = 0, (PCB).drt = -1; (PCB).exit_flag = AG_SUCCESS_CODE; return 0; } static int ag_action_4_er_proc(void) { int ag_sd = ag_fl[(PCB).ag_ap] - 1; (PCB).btsx = 0, (PCB).drt = -1; (PCB).reduction_token = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; else (PCB).ss[(PCB).ssx] = (PCB).sn; 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); (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_er_proc(void) { int ag_sd = ag_fl[(PCB).ag_ap] - 1; (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).reduction_token = (ffcalc_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); (PCB).ag_ap = ag_pstt[ag_t1]; if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; } return 0; } void init_ffcalc(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 ffcalc(void) { init_ffcalc(); (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 = (ffcalc_token_type) AG_TCV((PCB).input_code);} else { GET_INPUT; (PCB).lab[(PCB).fx++] = (PCB).input_code; (PCB).token_number = (ffcalc_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]])(); } }