| 1 | /* |
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| 2 | |
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| 3 | Copyright (c) 1992, 1993 |
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| 4 | Regents of the University of California |
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| 5 | All rights reserved. |
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| 6 | |
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| 7 | Use and copying of this software and preparation of derivative works |
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| 8 | based upon this software are permitted. However, any distribution of |
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| 9 | this software or derivative works must include the above copyright |
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| 10 | notice. |
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| 11 | |
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| 12 | This software is made available AS IS, and neither the Electronics |
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| 13 | Research Laboratory or the Universify of California make any |
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| 14 | warranty about the software, its performance or its conformity to |
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| 15 | any specification. |
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| 16 | |
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| 17 | Author: Szu-Tsung Cheng, stcheng@ic.Berkeley.EDU |
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| 18 | 10/92 |
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| 19 | 10/93 |
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| 20 | |
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| 21 | $Header: /projects/development/hsv/CVSRepository/vl2mv/src/parser/vl_reset.c,v 1.2 2009/03/09 20:25:58 fabio Exp $ |
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| 22 | |
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| 23 | |
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| 24 | */ |
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| 25 | |
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| 26 | #include <stdio.h> |
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| 27 | #include <math.h> |
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| 28 | #include "util.h" |
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| 29 | #include "array.h" |
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| 30 | #include "list.h" |
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| 31 | #include "st.h" |
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| 32 | #include "set.h" |
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| 33 | #include "vl_types.h" |
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| 34 | #include "vl_defs.h" |
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| 35 | #include "vlr_int.h" |
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| 36 | #include "vl_fg_defs.h" |
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| 37 | #include "vl_create.h" |
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| 38 | #include "vl_write.h" |
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| 39 | #include "vl_write_util.h" |
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| 40 | #include "vl_vardecl.h" |
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| 41 | |
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| 42 | extern int set_notation; |
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| 43 | extern int smartEvent; |
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| 44 | extern int vis_nond; |
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| 45 | |
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| 46 | static void warn_uninit_vars ARGS((char *latch_name)); |
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| 47 | |
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| 48 | void reset_mvar_latch(FILE *file, int non_block_var, vl_id_range *id_sym, |
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| 49 | int lo, int hi, char *lname) |
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| 50 | { |
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| 51 | int dummy; |
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| 52 | int idx, idx_lo, idx_hi; |
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| 53 | lsList domain; |
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| 54 | lsGen enum_gen; |
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| 55 | lsHandle enum_handle; |
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| 56 | vl_enumerator *enum_elt; |
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| 57 | vl_id_range *comb_id_sym; |
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| 58 | char latch_name[MAXSTRLEN]; |
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| 59 | |
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| 60 | if (st_lookup(vl_currentModule->combVar_st, lname, (char**)&comb_id_sym)) |
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| 61 | return; |
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| 62 | |
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| 63 | domain = id_sym->id_type->specifier->u.enum_type->domain_list; |
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| 64 | if (!(id_sym->range)) { |
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| 65 | if (non_block_var) sel_var(lname); |
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| 66 | strip_char(lname, SEP_SEL_VAR); |
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| 67 | sprintf(latch_name, lname); |
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| 68 | if (st_lookup(vl_currentModule->quasi_st,lname,(char**)&dummy)) { |
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| 69 | strcat(latch_name, SEP_GATEPIN); |
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| 70 | strcat(latch_name, PIN_PS); |
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| 71 | } |
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| 72 | |
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| 73 | |
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| 74 | if (lsLength(id_sym->initial) > 0) { |
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| 75 | int i; |
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| 76 | vl_term *init_term; |
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| 77 | lsGen gen; |
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| 78 | lsHandle handle; |
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| 79 | |
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| 80 | fprintf(file, ".r "); |
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| 81 | for (gen=lsStart(id_sym->initial), i=0; |
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| 82 | lsNext(gen, (lsGeneric*)&init_term, &handle)!=LS_NOMORE; |
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| 83 | i++) |
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| 84 | fprintf(file, "%s ", init_term->name->name); |
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| 85 | lsFinish(gen); |
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| 86 | fprintf(file, "%s", latch_name); |
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| 87 | } else |
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| 88 | fprintf(file, ".r %s", latch_name); |
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| 89 | fprintf(file, "\n"); |
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| 90 | if (lsLength(id_sym->initial) == 0) |
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| 91 | if (vis_nond) |
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| 92 | warn_uninit_vars(lname); |
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| 93 | if (set_notation) { |
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| 94 | if (lsLength(id_sym->initial) > 0) { |
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| 95 | int i; |
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| 96 | vl_term *init_term; |
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| 97 | for (i=0; i<lsLength(id_sym->initial); i++) |
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| 98 | fprintf(file, "- "); |
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| 99 | lsLastItem(id_sym->initial, (lsGeneric*)&init_term, 0); |
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| 100 | fprintf(file, "%s%s\n", |
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| 101 | HSIS_EQUAL, init_term->name->name); |
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| 102 | } else { |
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| 103 | fprintf(file, "-\n"); |
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| 104 | } |
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| 105 | } else { |
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| 106 | for (enum_gen=lsStart(domain); |
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| 107 | lsNext(enum_gen,(lsGeneric*)&enum_elt,&enum_handle)!= |
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| 108 | LS_NOMORE;) |
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| 109 | if (lsLength(id_sym->initial) > 0) |
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| 110 | fprintf(file,"%s %s\n",enum_elt->name,enum_elt->name); |
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| 111 | else |
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| 112 | fprintf(file, "%s\n", enum_elt->name); |
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| 113 | lsFinish(enum_gen); |
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| 114 | } |
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| 115 | } else { |
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| 116 | idx_lo = vl_eval_expr(id_sym->range->left); |
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| 117 | if (id_sym->range->right) |
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| 118 | idx_hi = |
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| 119 | vl_eval_expr(id_sym->range->right); |
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| 120 | else |
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| 121 | idx_hi = idx_lo; |
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| 122 | |
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| 123 | for (idx=idx_lo; idx<=idx_hi; idx++) { |
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| 124 | |
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| 125 | if (lsLength(id_sym->initial) > 0) { |
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| 126 | int i; |
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| 127 | vl_term *init_term; |
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| 128 | lsGen gen; |
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| 129 | lsHandle handle; |
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| 130 | fprintf(file, ".r "); |
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| 131 | for (gen=lsStart(id_sym->initial), i=0; |
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| 132 | lsNext(gen, (lsGeneric*)&init_term, &handle) != |
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| 133 | LS_NOMORE; |
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| 134 | i++) |
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| 135 | fprintf(file, "%s%s%d%s ", |
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| 136 | init_term->name->name, |
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| 137 | SEP_LARRAY, idx, SEP_RARRAY); |
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| 138 | lsFinish(gen); |
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| 139 | fprintf(file, "%s%s%d%s", |
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| 140 | non_block_var?sel_var(lname):lname, |
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| 141 | SEP_LARRAY, idx, SEP_RARRAY); |
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| 142 | } else { |
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| 143 | fprintf(file, ".r %s%s%d%s", |
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| 144 | non_block_var? |
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| 145 | sel_var(lname):lname, |
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| 146 | SEP_LARRAY, idx, SEP_RARRAY); |
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| 147 | } |
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| 148 | strip_char(lname,SEP_SEL_VAR); |
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| 149 | if (st_lookup(vl_currentModule->quasi_st,lname,(char**)&dummy)) |
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| 150 | fprintf(file, "%s%s", SEP_GATEPIN, PIN_PS); |
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| 151 | fprintf(file, "\n"); |
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| 152 | if (lsLength(id_sym->initial) == 0) |
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| 153 | if (vis_nond) |
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| 154 | warn_uninit_vars(lname); |
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| 155 | if (set_notation) { |
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| 156 | if (lsLength(id_sym->initial)>0) { |
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| 157 | int i, j, k; |
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| 158 | vl_term *init_term; |
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| 159 | vl_enumerator *first_enum; |
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| 160 | lsGen gen; |
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| 161 | lsHandle handle; |
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| 162 | lsFirstItem(domain, (lsGeneric*)&first_enum, 0); |
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| 163 | fprintf(file, "%s %s\n", HSIS_DEFAULT, |
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| 164 | first_enum->name); |
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| 165 | for (gen=lsStart(id_sym->initial), j=0; |
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| 166 | lsNext(gen, (lsGeneric*)&init_term, &handle) != |
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| 167 | LS_NOMORE; j++) { |
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| 168 | for (enum_gen=lsEnd(domain), i=0; |
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| 169 | lsPrev(enum_gen, (lsGeneric*)&enum_elt, |
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| 170 | &enum_handle) != LS_NOMORE && |
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| 171 | i < lsLength(domain)-1; i++) { |
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| 172 | for (k=0; k<j; k++) |
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| 173 | fprintf(file, "%s ", first_enum->name); |
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| 174 | fprintf(file, "%s ", enum_elt->name); |
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| 175 | k++; |
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| 176 | for (; k<lsLength(id_sym->initial); k++) |
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| 177 | fprintf(file, "- "); |
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| 178 | fprintf(file, "%s%s%s%d%s\n", |
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| 179 | HSIS_EQUAL, init_term->name->name, |
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| 180 | SEP_LARRAY, idx, SEP_RARRAY); |
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| 181 | } |
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| 182 | lsFinish(enum_gen); |
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| 183 | } |
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| 184 | lsFinish(gen); |
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| 185 | } else { |
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| 186 | fprintf(file, "-\n"); |
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| 187 | } |
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| 188 | } else { |
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| 189 | for (enum_gen=lsStart(domain); |
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| 190 | lsNext(enum_gen, |
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| 191 | (lsGeneric*)&enum_elt,&enum_handle)!= |
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| 192 | LS_NOMORE;) |
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| 193 | if (lsLength(id_sym->initial) > 0) { |
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| 194 | int i; |
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| 195 | for (i=0; i<lsLength(id_sym->initial)-1; i++) |
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| 196 | fprintf(file, "- "); |
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| 197 | fprintf(file, "%s %s\n", |
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| 198 | enum_elt->name, enum_elt->name); |
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| 199 | } else |
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| 200 | fprintf(file, "%s\n", enum_elt->name); |
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| 201 | lsFinish(enum_gen); |
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| 202 | } |
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| 203 | } |
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| 204 | } |
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| 205 | |
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| 206 | |
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| 207 | lo = lo; |
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| 208 | hi = hi; |
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| 209 | } |
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| 210 | |
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| 211 | |
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| 212 | void reset_bin_scalar_latch(FILE *file, int non_block_var, |
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| 213 | vl_id_range *id_sym, char *lname) |
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| 214 | { |
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| 215 | int dummy; |
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| 216 | int idx, idx_lo, idx_hi; |
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| 217 | vl_id_range *comb_id_sym; |
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| 218 | char latch_name[MAXSTRLEN]; |
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| 219 | |
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| 220 | if (st_lookup(vl_currentModule->combVar_st, lname, (char**)&comb_id_sym)) |
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| 221 | return; |
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| 222 | |
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| 223 | if (lsLength(id_sym->initial) == 0) |
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| 224 | if (vis_nond) |
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| 225 | warn_uninit_vars(lname); |
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| 226 | if (!id_sym->range) { |
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| 227 | if (non_block_var) sel_var(lname); |
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| 228 | strip_char(lname,SEP_SEL_VAR); |
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| 229 | sprintf(latch_name, "%s", lname); |
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| 230 | if (st_lookup(vl_currentModule->quasi_st,lname,(char**)&dummy)) { |
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| 231 | strcat(latch_name,SEP_GATEPIN); |
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| 232 | strcat(latch_name,PIN_PS); |
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| 233 | } |
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| 234 | |
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| 235 | if (lsLength(id_sym->initial)>0) { |
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| 236 | vl_term *init_term; |
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| 237 | lsLastItem(id_sym->initial, (lsGeneric*)&init_term, 0); |
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| 238 | fprintf(file, ".r %s %s\n0 0\n1 1\n", |
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| 239 | init_term->name->name, latch_name); |
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| 240 | } else if ((id_sym->flags & EventVar) && !smartEvent) { |
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| 241 | fprintf(file, ".r %s%s%s\n0\n", |
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| 242 | latch_name,SEP_GATEPIN,PIN_EVENT); |
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| 243 | } else if ((id_sym->flags & EventVar) && smartEvent) { |
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| 244 | } else { |
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| 245 | |
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| 246 | fprintf(file, ".r %s\n0\n1\n", latch_name); |
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| 247 | } |
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| 248 | } else { |
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| 249 | idx_lo = vl_eval_expr(id_sym->range->left); |
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| 250 | if (id_sym->range->right) |
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| 251 | idx_hi = |
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| 252 | vl_eval_expr(id_sym->range->right); |
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| 253 | else |
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| 254 | idx_hi = idx_lo; |
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| 255 | |
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| 256 | for (idx=idx_lo; idx<=idx_hi; idx++) { |
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| 257 | |
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| 258 | if (lsLength(id_sym->initial) > 0) { |
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| 259 | vl_term *init_term; |
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| 260 | lsGen gen; |
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| 261 | lsHandle handle; |
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| 262 | fprintf(file, ".r "); |
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| 263 | for (gen=lsStart(id_sym->initial); |
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| 264 | lsNext(gen, (lsGeneric*)&init_term, &handle) |
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| 265 | != LS_NOMORE; ) |
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| 266 | fprintf(file, "%s%s%d%s ", |
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| 267 | init_term->name->name, |
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| 268 | SEP_LARRAY, idx, SEP_RARRAY); |
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| 269 | lsFinish(gen); |
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| 270 | fprintf(file, "%s%s%d%s", |
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| 271 | non_block_var?sel_var(lname):lname, |
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| 272 | SEP_LARRAY, idx, SEP_RARRAY); |
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| 273 | } else |
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| 274 | fprintf(file, ".r %s%s%d%s", |
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| 275 | non_block_var? |
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| 276 | sel_var(lname):lname, |
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| 277 | SEP_LARRAY, idx, SEP_RARRAY); |
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| 278 | strip_char(lname,SEP_SEL_VAR); |
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| 279 | if (st_lookup(vl_currentModule->quasi_st,lname,(char**)&dummy)) |
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| 280 | fprintf(file, "%s%s", SEP_GATEPIN, PIN_PS); |
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| 281 | fprintf(file, "\n"); |
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| 282 | if (lsLength(id_sym->initial) > 0) { |
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| 283 | int i, j; |
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| 284 | fprintf(file, "%s 0\n", HSIS_DEFAULT); |
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| 285 | for (i=0; i<lsLength(id_sym->initial); i++) { |
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| 286 | for (j=0; j<lsLength(id_sym->initial); j++) |
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| 287 | fprintf(file, "%c ", (i==j)?'1':'0'); |
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| 288 | fprintf(file, "1\n"); |
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| 289 | } |
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| 290 | } else |
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| 291 | fprintf(file, "0\n1\n"); |
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| 292 | } |
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| 293 | } |
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| 294 | } |
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| 295 | |
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| 296 | |
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| 297 | void reset_bin_vector_latch(FILE *file, int non_block_var, |
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| 298 | vl_id_range *id_sym, |
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| 299 | int lo, int hi, char *lname) |
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| 300 | { |
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| 301 | int i=0; |
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| 302 | int idx, idx_lo, idx_hi; |
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| 303 | vl_id_range *comb_id_sym; |
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| 304 | int dummy; |
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| 305 | extern int combinationalReduction; |
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| 306 | |
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| 307 | if (st_lookup(vl_currentModule->combVar_st, lname, (char**)&comb_id_sym)) |
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| 308 | return; |
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| 309 | |
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| 310 | if (lsLength(id_sym->initial) == 0) |
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| 311 | if (vis_nond) |
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| 312 | warn_uninit_vars(lname); |
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| 313 | |
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| 314 | if (id_sym->syndrome_expr_list) |
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| 315 | if (lsLength(id_sym->syndrome_expr_list) == 0) |
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| 316 | if (id_sym->rst_syndrome_expr_list) |
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| 317 | if (lsLength(id_sym->rst_syndrome_expr_list) == 0) |
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| 318 | if (combinationalReduction) |
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| 319 | return; |
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| 320 | |
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| 321 | for (i=lo; i<=hi; i++) { |
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| 322 | if (!id_sym->range) { |
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| 323 | |
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| 324 | if (lsLength(id_sym->initial) > 0) { |
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| 325 | int k; |
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| 326 | vl_term *init_term; |
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| 327 | lsGen gen; |
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| 328 | lsHandle handle; |
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| 329 | fprintf(file, ".r "); |
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| 330 | for (gen=lsStart(id_sym->initial), k=0; |
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| 331 | lsNext(gen, (lsGeneric*)&init_term, &handle) |
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| 332 | != LS_NOMORE; k++) { |
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| 333 | fprintf(file, "%s%s%d%s ", init_term->name->name, |
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| 334 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
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| 335 | } |
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| 336 | lsFinish(gen); |
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| 337 | fprintf(file, "%s%s%d%s", |
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| 338 | non_block_var?sel_var(lname):lname, |
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| 339 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
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| 340 | |
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| 341 | } else { |
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| 342 | fprintf(file, ".r %s%s%d%s", |
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| 343 | non_block_var? |
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| 344 | sel_var(lname):lname, |
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| 345 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
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| 346 | } |
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| 347 | strip_char(lname,SEP_SEL_VAR); |
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| 348 | if (st_lookup(vl_currentModule->quasi_st, |
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| 349 | lname,(char**)&dummy)) |
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| 350 | fprintf(file, "%s%s", SEP_GATEPIN, PIN_PS); |
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| 351 | fprintf(file, "\n"); |
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| 352 | if (set_notation) { |
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| 353 | if (lsLength(id_sym->initial) > 0) { |
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| 354 | int i, j; |
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| 355 | fprintf(file, "%s 0\n", HSIS_DEFAULT); |
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| 356 | for (i=0; i<lsLength(id_sym->initial); i++) { |
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| 357 | for (j=0; j<lsLength(id_sym->initial); j++) |
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| 358 | fprintf(file, "%c ", (i==j)?'1':'-'); |
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| 359 | fprintf(file, "1\n"); |
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| 360 | } |
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| 361 | } else { |
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| 362 | fprintf(file, "-\n"); |
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| 363 | } |
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| 364 | } else { |
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| 365 | if (lsLength(id_sym->initial) > 0) { |
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| 366 | int i, j; |
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| 367 | for (i=0; i<lsLength(id_sym->initial); i++) { |
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| 368 | for (j=0; j<lsLength(id_sym->initial); j++) |
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| 369 | fprintf(file, "%c ", (i==j)?'1':'-'); |
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| 370 | fprintf(file, "1\n"); |
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| 371 | } |
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| 372 | for (i=0; i<lsLength(id_sym->initial); i++) |
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| 373 | fprintf(file, "0 "); |
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| 374 | fprintf(file, "0\n"); |
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| 375 | } else { |
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| 376 | fprintf(file, "0\n1\n"); |
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| 377 | } |
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| 378 | } |
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| 379 | } else { |
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| 380 | idx_lo = vl_eval_expr(id_sym->range->left); |
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| 381 | if (id_sym->range->right) |
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| 382 | idx_hi = vl_eval_expr(id_sym->range->right); |
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| 383 | else |
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| 384 | idx_hi = idx_lo; |
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| 385 | |
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| 386 | for (idx=idx_lo; idx<=idx_hi; idx++) { |
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| 387 | |
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| 388 | if (lsLength(id_sym->initial) > 0) { |
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| 389 | int k; |
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| 390 | vl_term *init_term; |
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| 391 | lsGen gen; |
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| 392 | lsHandle handle; |
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| 393 | fprintf(file, ".r "); |
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| 394 | for (gen=lsStart(id_sym->initial), k=0; |
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| 395 | lsNext(gen,(lsGeneric*)&init_term,&handle) |
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| 396 | != LS_NOMORE; k++) { |
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| 397 | fprintf(file, "%s%s%d%s%s%d%s ", |
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| 398 | init_term->name->name, |
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| 399 | SEP_LARRAY, idx, SEP_RARRAY, |
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| 400 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
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| 401 | } |
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| 402 | lsFinish(gen); |
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| 403 | fprintf(file, "%s%s%d%s%s%d%s", |
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| 404 | non_block_var?sel_var(lname):lname, |
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| 405 | SEP_LARRAY, idx, SEP_RARRAY, |
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| 406 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
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| 407 | } else |
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| 408 | fprintf(file, ".r %s%s%d%s%s%d%s", |
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| 409 | non_block_var? |
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| 410 | sel_var(lname):lname, |
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| 411 | SEP_LARRAY, idx, SEP_RARRAY, |
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| 412 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
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| 413 | strip_char(lname,SEP_SEL_VAR); |
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| 414 | if (st_lookup(vl_currentModule->quasi_st, |
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| 415 | lname,(char**)&dummy)) |
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| 416 | fprintf(file, "%s%s", SEP_GATEPIN, PIN_PS); |
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| 417 | fprintf(file, "\n"); |
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| 418 | if (set_notation) { |
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| 419 | if (lsLength(id_sym->initial) > 0) { |
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| 420 | int i, j; |
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| 421 | fprintf(file, "%s 0\n", HSIS_DEFAULT); |
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| 422 | for (i=0; i<lsLength(id_sym->initial); i++) { |
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| 423 | for (j=0; j<lsLength(id_sym->initial); j++) |
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| 424 | fprintf(file, "%c ", (i==j)?'1':'-'); |
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| 425 | fprintf(file, "1\n"); |
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| 426 | } |
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| 427 | } else { |
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| 428 | fprintf(file, "-\n"); |
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| 429 | } |
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| 430 | } else { |
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| 431 | if (lsLength(id_sym->initial) > 0) { |
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| 432 | int i, j; |
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| 433 | for (i=0; i<lsLength(id_sym->initial); i++) { |
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| 434 | for (j=0; j<lsLength(id_sym->initial); j++) |
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| 435 | fprintf(file, "%c ", (i==j)?'1':'-'); |
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| 436 | fprintf(file, "1\n"); |
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| 437 | } |
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| 438 | for (i=0; i<lsLength(id_sym->initial); i++) |
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| 439 | fprintf(file, "0 "); |
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| 440 | fprintf(file, "0\n"); |
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| 441 | } else |
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| 442 | fprintf(file,"0\n1\n"); |
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| 443 | } |
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| 444 | } |
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| 445 | } |
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| 446 | } |
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| 447 | } |
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| 448 | |
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| 449 | |
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| 450 | static void warn_uninit_vars(char *latch_name) |
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| 451 | { |
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| 452 | char buf[MAXSTRLEN]; |
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| 453 | |
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| 454 | sprintf(buf, "'%s': variable '%s' is uninitialized", |
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| 455 | vl_currentModule->name->name, latch_name); |
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| 456 | yylineno = -1; |
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| 457 | fprintf(stderr, "%s, be careful\n", buf); |
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| 458 | } |
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