| [14] | 1 | %{ |
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| 2 | /**CFile*********************************************************************** |
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| 3 | |
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| 4 | FileName [io.y] |
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| 5 | |
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| 6 | PackageName [io] |
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| 7 | |
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| 8 | Synopsis [Yacc file for the BLIF-MV parser.] |
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| 9 | |
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| 10 | Description [] |
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| 11 | |
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| 12 | SeeAlso [] |
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| 13 | |
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| 14 | Author [Yuji Kukimoto, Rajeev Ranjan, Huey-Yih Wang] |
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| 15 | |
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| 16 | Copyright [Copyright (c) 1994-1996 The Regents of the Univ. of California. |
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| 17 | All rights reserved. |
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| 18 | |
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| 19 | Permission is hereby granted, without written agreement and without license |
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| 20 | or royalty fees, to use, copy, modify, and distribute this software and its |
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| 21 | documentation for any purpose, provided that the above copyright notice and |
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| 22 | the following two paragraphs appear in all copies of this software. |
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| 23 | |
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| 24 | IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR |
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| 25 | DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT |
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| 26 | OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF |
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| 27 | CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | |
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| 29 | THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, |
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| 30 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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| 31 | FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN |
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| 32 | "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO PROVIDE |
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| 33 | MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.] |
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| 34 | |
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| 35 | ******************************************************************************/ |
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| 36 | |
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| 37 | #include "ioInt.h" |
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| 38 | |
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| 39 | /* |
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| 40 | * The following is a workaround for a bug in bison, which generates code |
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| 41 | * that uses alloca(). Their lengthy sequence of #ifdefs for defining |
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| 42 | * alloca() does the wrong thing for HPUX (it should do what is defined below) |
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| 43 | */ |
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| 44 | #ifdef __hpux |
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| 45 | # include <alloca.h> |
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| 46 | #endif |
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| 47 | |
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| 48 | static char rcsid[] UNUSED = "$Id: io.y,v 1.11 2010/04/09 23:32:13 fabio Exp $"; |
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| 49 | |
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| 50 | /*---------------------------------------------------------------------------*/ |
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| 51 | /* Constant declarations */ |
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| 52 | /*---------------------------------------------------------------------------*/ |
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| 53 | |
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| 54 | |
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| 55 | /*---------------------------------------------------------------------------*/ |
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| 56 | /* Stucture declarations */ |
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| 57 | /*---------------------------------------------------------------------------*/ |
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| 58 | |
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| 59 | |
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| 60 | /*---------------------------------------------------------------------------*/ |
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| 61 | /* Type declarations */ |
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| 62 | /*---------------------------------------------------------------------------*/ |
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| 63 | |
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| 64 | |
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| 65 | /*---------------------------------------------------------------------------*/ |
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| 66 | /* Variable declarations */ |
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| 67 | /*---------------------------------------------------------------------------*/ |
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| 68 | int globalLineNumber; |
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| 69 | Hrc_Manager_t *globalYaccHmgr; |
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| 70 | Hrc_Model_t *globalModel; |
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| 71 | Hrc_Node_t *globalHnode; |
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| 72 | Hrc_Model_t *globalFirstModel; |
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| 73 | Hrc_Model_t *globalRootModel; |
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| 74 | char *globalRootInstanceName; |
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| 75 | array_t *globalMvNameArray; |
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| 76 | array_t *globalSymValueArray; |
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| 77 | array_t *globalTableInputArray; |
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| 78 | array_t *globalTableOutputArray; |
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| 79 | array_t *globalTableDefaultArray; |
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| 80 | array_t *globalTableSymCubeArray; |
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| 81 | array_t *globalFormalNameArray; |
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| 82 | array_t *globalActualNameArray; |
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| 83 | array_t *globalSubcktArray; |
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| 84 | array_t *globalResetArray; |
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| 85 | st_table *globalParserResetInfo; |
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| 86 | st_table *globalParserSubcktInfo; |
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| 87 | array_t *globalNewModelArray; |
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| 88 | |
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| 89 | /*---------------------------------------------------------------------------*/ |
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| 90 | /* Macro declarations */ |
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| 91 | /*---------------------------------------------------------------------------*/ |
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| 92 | |
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| 93 | |
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| 94 | /**AutomaticStart*************************************************************/ |
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| 95 | |
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| 96 | /*---------------------------------------------------------------------------*/ |
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| 97 | /* Static function prototypes */ |
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| 98 | /*---------------------------------------------------------------------------*/ |
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| 99 | |
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| 100 | /**AutomaticEnd***************************************************************/ |
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| 101 | |
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| 102 | |
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| 103 | /*---------------------------------------------------------------------------*/ |
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| 104 | /* Definition of exported functions */ |
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| 105 | /*---------------------------------------------------------------------------*/ |
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| 106 | |
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| 107 | |
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| 108 | /*---------------------------------------------------------------------------*/ |
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| 109 | /* Definition of internal functions */ |
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| 110 | /*---------------------------------------------------------------------------*/ |
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| 111 | |
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| 112 | |
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| 113 | /*---------------------------------------------------------------------------*/ |
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| 114 | /* Definition of static functions */ |
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| 115 | /*---------------------------------------------------------------------------*/ |
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| 116 | |
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| 117 | #include "ioLex.c" |
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| 118 | |
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| 119 | static void |
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| 120 | IoYyerror(char *string) |
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| 121 | { |
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| 122 | (void)fprintf(vis_stderr,"%s",error_string()); |
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| 123 | (void)fprintf(vis_stderr,"%s in line %d with token %s\n",string,globalLineNumber,IoYytext); |
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| 124 | fflush(vis_stderr); |
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| 125 | } |
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| 126 | |
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| 127 | %} |
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| 128 | |
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| 129 | /* %token YYERROR_VERBOSE */ |
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| 130 | |
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| 131 | %token MODEL END INPUTS OUTPUTS MV LATCH RESET NAMES DEFAULT SUBCKT ROOT |
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| 132 | %token IDENTIFIER ARROW ASSIGN NEWLINE |
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| 133 | |
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| 134 | %union { |
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| 135 | char *string; |
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| 136 | int integer; |
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| 137 | IoSymValue_t *IoSymValue_t_ptr; |
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| 138 | array_t *array_t_ptr; |
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| 139 | } |
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| 140 | |
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| 141 | %type <string> name; |
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| 142 | %type <integer> range; |
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| 143 | %type <IoSymValue_t_ptr> sym_value sym_value_without_assign basic_sym_value; |
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| 144 | %type <array_t_ptr> sub_sym_value; |
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| 145 | |
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| 146 | %start models |
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| 147 | |
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| 148 | %% |
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| 149 | |
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| 150 | models: |
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| 151 | model |
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| 152 | | models model |
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| 153 | | models error { |
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| 154 | IoError(); |
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| 155 | } |
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| 156 | ; |
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| 157 | model: |
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| 158 | model_start model_content model_end |
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| 159 | ; |
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| 160 | model_start: |
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| 161 | MODEL name NEWLINE { |
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| 162 | if ( Hrc_ManagerFindModelByName(globalYaccHmgr,$2) ){ |
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| 163 | error_append("Model "); |
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| 164 | error_append($2); |
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| 165 | error_append(" is multiply-defined\n"); |
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| 166 | FREE($2); |
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| 167 | IoError(); |
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| 168 | } |
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| 169 | globalModel = Hrc_ModelAlloc(globalYaccHmgr,$2); |
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| 170 | globalHnode = Hrc_ModelReadMasterNode(globalModel); |
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| 171 | if ( globalFirstModel == NIL(Hrc_Model_t) ) |
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| 172 | globalFirstModel = globalModel; |
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| 173 | FREE($2); |
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| 174 | array_insert_last(Hrc_Model_t *,globalNewModelArray,globalModel); |
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| 175 | } |
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| 176 | option_root |
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| 177 | ; |
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| 178 | option_root: |
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| 179 | /* empty */ |
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| 180 | | ROOT NEWLINE { |
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| 181 | if ( globalRootModel != NIL(Hrc_Model_t) ){ |
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| 182 | error_append("Two models "); |
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| 183 | error_append(Hrc_ModelReadName(globalRootModel)); |
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| 184 | error_append(" and "); |
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| 185 | error_append(Hrc_ModelReadName(globalModel)); |
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| 186 | error_append(" are defined as the root model\n"); |
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| 187 | IoError(); |
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| 188 | } |
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| 189 | globalRootModel = globalModel; |
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| 190 | } |
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| 191 | | ROOT name NEWLINE { |
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| 192 | if ( globalRootModel != NIL(Hrc_Model_t) ){ |
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| 193 | error_append("Two models "); |
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| 194 | error_append(Hrc_ModelReadName(globalRootModel)); |
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| 195 | error_append(" and "); |
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| 196 | error_append(Hrc_ModelReadName(globalModel)); |
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| 197 | error_append(" are defined as the root model\n"); |
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| 198 | IoError(); |
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| 199 | } |
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| 200 | globalRootModel = globalModel; |
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| 201 | globalRootInstanceName = $2; |
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| 202 | } |
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| 203 | ; |
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| 204 | model_end: |
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| 205 | END NEWLINE { |
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| 206 | if (st_is_member(globalParserResetInfo,(char *)globalModel) == 1){ |
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| 207 | error_append("Model "); |
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| 208 | error_append(Hrc_ModelReadName(globalModel)); |
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| 209 | error_append(" is multiply-defined.\n"); |
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| 210 | IoError(); |
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| 211 | } |
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| 212 | /* the following st_insert should return 0 */ |
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| 213 | (void)st_insert(globalParserResetInfo,(char *)globalModel,(char *)globalResetArray); |
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| 214 | if (st_is_member(globalParserSubcktInfo,(char *)globalModel) == 1){ |
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| 215 | error_append("Model "); |
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| 216 | error_append(Hrc_ModelReadName(globalModel)); |
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| 217 | error_append(" is multiply-defined.\n"); |
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| 218 | IoError(); |
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| 219 | } |
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| 220 | /* the following st_insert should return 0 */ |
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| 221 | (void)st_insert(globalParserSubcktInfo,(char *)globalModel,(char *)globalSubcktArray); |
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| 222 | globalResetArray = NIL(array_t); |
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| 223 | globalSubcktArray = NIL(array_t); |
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| 224 | globalModel = NIL(Hrc_Model_t); |
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| 225 | globalHnode = NIL(Hrc_Node_t); |
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| 226 | } |
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| 227 | ; |
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| 228 | model_content: |
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| 229 | /* empty */ |
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| 230 | | model_content command |
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| 231 | ; |
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| 232 | command: |
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| 233 | input |
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| 234 | | output |
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| 235 | | mv |
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| 236 | | latch |
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| 237 | | table |
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| 238 | | reset |
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| 239 | | subckt |
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| 240 | ; |
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| 241 | input: |
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| 242 | INPUTS input_names NEWLINE |
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| 243 | ; |
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| 244 | input_names: |
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| 245 | /* empty */ |
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| 246 | | input_names input_name |
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| 247 | ; |
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| 248 | input_name: |
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| 249 | name { |
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| 250 | if (IoInputProcess(globalHnode,$1) == 0){ |
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| 251 | error_append("Input "); |
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| 252 | error_append($1); |
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| 253 | error_append(" is multiply defined.\n"); |
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| 254 | FREE($1); |
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| 255 | IoError(); |
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| 256 | } |
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| 257 | FREE($1); |
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| 258 | } |
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| 259 | ; |
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| 260 | output: |
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| 261 | OUTPUTS output_names NEWLINE |
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| 262 | ; |
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| 263 | output_names: |
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| 264 | /* empty */ |
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| 265 | | output_names output_name |
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| 266 | ; |
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| 267 | output_name: |
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| 268 | name { |
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| 269 | if (IoOutputProcess(globalHnode,$1) == 0){ |
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| 270 | error_append("Output "); |
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| 271 | error_append($1); |
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| 272 | error_append(" is multiply defined.\n"); |
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| 273 | FREE($1); |
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| 274 | IoError(); |
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| 275 | } |
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| 276 | FREE($1); |
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| 277 | } |
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| 278 | ; |
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| 279 | mv: |
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| 280 | MV mv_names range NEWLINE { |
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| 281 | if (IoMvProcess(globalModel,globalHnode,globalMvNameArray,$3,NIL(array_t)) == 0){ |
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| 282 | IoStringArrayFree(globalMvNameArray); |
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| 283 | IoError(); |
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| 284 | } |
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| 285 | IoStringArrayFree(globalMvNameArray); |
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| 286 | globalMvNameArray = NIL(array_t); |
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| 287 | } |
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| 288 | | MV mv_names range val_names NEWLINE { |
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| 289 | if (IoMvProcess(globalModel,globalHnode,globalMvNameArray,$3,globalSymValueArray) == 0){ |
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| 290 | IoStringArrayFree(globalMvNameArray); |
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| 291 | IoStringArrayFree(globalSymValueArray); |
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| 292 | IoError(); |
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| 293 | } |
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| 294 | IoStringArrayFree(globalMvNameArray); |
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| 295 | IoStringArrayFree(globalSymValueArray); |
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| 296 | globalMvNameArray = NIL(array_t); |
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| 297 | globalSymValueArray = NIL(array_t); |
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| 298 | } |
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| 299 | ; |
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| 300 | mv_names: |
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| 301 | mv_name |
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| 302 | | mv_names ',' mv_name |
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| 303 | ; |
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| 304 | mv_name: |
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| 305 | name { |
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| 306 | IoNameInsertInArray(&globalMvNameArray,$1); |
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| 307 | } |
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| 308 | ; |
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| 309 | range: |
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| 310 | name { |
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| 311 | $$ = IoAtoi($1); |
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| 312 | FREE($1); |
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| 313 | } |
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| 314 | ; |
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| 315 | val_names: |
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| 316 | val_name |
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| 317 | | val_names val_name |
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| 318 | ; |
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| 319 | val_name: |
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| 320 | name { |
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| 321 | IoNameInsertInArray(&globalSymValueArray,$1); |
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| 322 | } |
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| 323 | ; |
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| 324 | latch: |
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| 325 | LATCH name name NEWLINE { |
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| 326 | if (IoLatchProcess(globalModel,globalHnode,$2,$3) == 0){ |
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| 327 | IoError(); |
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| 328 | FREE($2); |
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| 329 | FREE($3); |
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| 330 | } |
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| 331 | FREE($2); |
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| 332 | FREE($3); |
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| 333 | } |
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| 334 | ; |
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| 335 | |
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| 336 | |
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| 337 | reset: |
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| 338 | RESET table_io_names NEWLINE option_default table_content { |
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| 339 | if (IoResetProcess(&globalResetArray,globalModel,globalHnode,globalTableInputArray,globalTableOutputArray,globalTableDefaultArray,globalTableSymCubeArray) == 0){ |
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| 340 | IoError(); |
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| 341 | } |
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| 342 | globalTableInputArray = NIL(array_t); |
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| 343 | globalTableOutputArray = NIL(array_t); |
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| 344 | globalTableDefaultArray = NIL(array_t); |
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| 345 | globalTableSymCubeArray = NIL(array_t); |
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| 346 | } |
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| 347 | ; |
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| 348 | table: |
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| 349 | NAMES table_io_names NEWLINE option_default table_content { |
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| 350 | if (IoTableProcess(globalModel,globalHnode, globalTableInputArray,globalTableOutputArray,globalTableDefaultArray,globalTableSymCubeArray) == 0){ |
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| 351 | IoError(); |
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| 352 | } |
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| 353 | globalTableInputArray = NIL(array_t); |
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| 354 | globalTableOutputArray = NIL(array_t); |
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| 355 | globalTableDefaultArray = NIL(array_t); |
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| 356 | globalTableSymCubeArray = NIL(array_t); |
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| 357 | } |
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| 358 | ; |
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| 359 | table_io_names: |
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| 360 | table_input_names ARROW table_output_names |
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| 361 | | table_input_names table_output_name |
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| 362 | ; |
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| 363 | table_input_names: |
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| 364 | /* empty */ |
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| 365 | | table_input_names table_input_name |
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| 366 | ; |
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| 367 | table_input_name: |
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| 368 | name { |
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| 369 | IoNameInsertInArray(&globalTableInputArray,$1); |
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| 370 | } |
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| 371 | ; |
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| 372 | table_output_names: |
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| 373 | table_output_name |
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| 374 | | table_output_names table_output_name |
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| 375 | ; |
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| 376 | table_output_name: |
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| 377 | name { |
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| 378 | IoNameInsertInArray(&globalTableOutputArray,$1); |
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| 379 | } |
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| 380 | ; |
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| 381 | option_default: |
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| 382 | /* empty */ |
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| 383 | | DEFAULT def_values NEWLINE |
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| 384 | ; |
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| 385 | def_values: |
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| 386 | def_value |
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| 387 | | def_values def_value |
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| 388 | ; |
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| 389 | def_value: |
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| 390 | sym_value { |
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| 391 | IoSymValueInsertInArray(&globalTableDefaultArray,$1); |
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| 392 | } |
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| 393 | ; |
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| 394 | sym_values: |
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| 395 | sym_value { |
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| 396 | IoSymValueInsertInArray(&globalSymValueArray,$1); |
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| 397 | } |
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| 398 | | sym_values sym_value { |
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| 399 | IoSymValueInsertInArray(&globalSymValueArray,$2); |
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| 400 | } |
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| 401 | ; |
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| 402 | sym_value: |
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| 403 | basic_sym_value |
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| 404 | | ASSIGN name { |
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| 405 | IoSymValue_t *entry; |
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| 406 | entry = IoSymValueAlloc(); |
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| 407 | entry->left = (IoSymValue_t *)$2; |
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| 408 | entry->flag = IoAssign_c; |
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| 409 | $$ = entry; |
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| 410 | } |
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| 411 | | '(' sub_sym_value ')' { |
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| 412 | IoSymValue_t *entry; |
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| 413 | entry = IoSymValueAlloc(); |
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| 414 | entry->elements = $2; |
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| 415 | entry->flag = IoList_c; |
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| 416 | $$ = entry; |
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| 417 | } |
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| 418 | | '!' sym_value_without_assign { |
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| 419 | IoSymValue_t *entry; |
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| 420 | entry = IoSymValueAlloc(); |
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| 421 | entry->left = $2; |
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| 422 | entry->flag = IoComplement_c; |
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| 423 | $$ = entry; |
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| 424 | } |
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| 425 | ; |
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| 426 | sym_value_without_assign: |
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| 427 | basic_sym_value |
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| 428 | | '(' sub_sym_value ')' { |
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| 429 | IoSymValue_t *entry; |
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| 430 | entry = IoSymValueAlloc(); |
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| 431 | entry->elements = $2; |
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| 432 | entry->flag = IoList_c; |
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| 433 | $$ = entry; |
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| 434 | } |
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| 435 | | '!' sym_value_without_assign { |
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| 436 | IoSymValue_t *entry; |
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| 437 | entry = IoSymValueAlloc(); |
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| 438 | entry->left = $2; |
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| 439 | entry->flag = IoComplement_c; |
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| 440 | $$ = entry; |
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| 441 | } |
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| 442 | ; |
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| 443 | basic_sym_value: |
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| 444 | '-' { |
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| 445 | IoSymValue_t *entry; |
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| 446 | entry = IoSymValueAlloc(); |
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| 447 | entry->flag = IoUniverse_c; |
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| 448 | $$ = entry; |
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| 449 | } |
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| 450 | | name { |
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| 451 | IoSymValue_t *entry; |
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| 452 | entry = IoSymValueAlloc(); |
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| 453 | entry->flag = IoLeaf_c; |
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| 454 | entry->left = (IoSymValue_t *)$1; |
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| 455 | $$ = entry; |
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| 456 | } |
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| 457 | | '{' name '-' name '}' { |
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| 458 | IoSymValue_t *entry; |
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| 459 | entry = IoSymValueAlloc(); |
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| 460 | entry->left = (IoSymValue_t *)$2; |
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| 461 | entry->right = (IoSymValue_t *)$4; |
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| 462 | entry->flag = IoRange_c; |
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| 463 | $$ = entry; |
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| 464 | } |
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| 465 | ; |
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| 466 | sub_sym_value: |
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| 467 | sym_value_without_assign { |
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| 468 | array_t *array; |
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| 469 | array = array_alloc(IoSymValue_t *,0); |
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| 470 | array_insert_last(IoSymValue_t *,array,$1); |
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| 471 | $$ = array; |
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| 472 | } |
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| 473 | | sub_sym_value ',' sym_value_without_assign { |
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| 474 | array_insert_last(IoSymValue_t *,$1,$3); |
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| 475 | } |
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| 476 | ; |
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| 477 | table_content: /* must have at least one row */ |
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| 478 | /* empty */ |
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| 479 | /* |
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| 480 | sym_values NEWLINE { |
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| 481 | IoSymCubeInsertInArray(&globalTableSymCubeArray,globalSymValueArray); |
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| 482 | globalSymValueArray = NIL(array_t); |
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| 483 | } |
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| 484 | */ |
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| 485 | | table_content sym_values NEWLINE { |
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| 486 | IoSymCubeInsertInArray(&globalTableSymCubeArray,globalSymValueArray); |
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| 487 | globalSymValueArray = NIL(array_t); |
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| 488 | } |
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| 489 | ; |
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| 490 | |
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| 491 | subckt: |
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| 492 | SUBCKT name name connections NEWLINE { |
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| 493 | if (IoSubcktProcess(&globalSubcktArray,globalModel,globalHnode,$2,$3,globalFormalNameArray,globalActualNameArray) == 0 ){ |
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| 494 | IoError(); |
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| 495 | } |
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| 496 | globalFormalNameArray = NIL(array_t); |
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| 497 | globalActualNameArray = NIL(array_t); |
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| 498 | } |
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| 499 | ; |
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| 500 | connections: |
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| 501 | connection |
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| 502 | | connections connection |
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| 503 | ; |
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| 504 | connection: |
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| 505 | name ASSIGN name { |
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| 506 | IoNameInsertInArray(&globalFormalNameArray,$1); |
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| 507 | IoNameInsertInArray(&globalActualNameArray,$3); |
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| 508 | } |
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| 509 | ; |
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| 510 | name: |
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| 511 | IDENTIFIER { |
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| 512 | $$ = util_strsav(IoYytext); |
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| 513 | } |
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| 514 | ; |
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| 515 | |
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| 516 | %% |
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| 517 | |
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