[14] | 1 | /**CFile*********************************************************************** |
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| 2 | |
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| 3 | FileName [rstGroup.c] |
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| 4 | |
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| 5 | PackageName [rst] |
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| 6 | |
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| 7 | Synopsis [rst package partitioning code with user interface.] |
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| 8 | |
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| 9 | Author [Desmond A. Kirkpatrick] |
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| 10 | |
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| 11 | Copyright [Copyright (c) 1994-1996 The Regents of the Univ. of California. |
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| 12 | All rights reserved. |
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| 13 | |
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| 14 | Permission is hereby granted, without written agreement and without license |
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| 15 | or royalty fees, to use, copy, modify, and distribute this software and its |
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| 16 | documentation for any purpose, provided that the above copyright notice and |
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| 17 | the following two paragraphs appear in all copies of this software. |
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| 18 | |
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| 19 | IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR |
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| 20 | DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT |
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| 21 | OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF |
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| 22 | CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 23 | |
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| 24 | THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, |
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| 25 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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| 26 | FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN |
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| 27 | "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO PROVIDE |
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| 28 | MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.] |
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| 29 | |
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| 30 | ******************************************************************************/ |
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| 31 | |
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| 32 | #include <stdio.h> |
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| 33 | #include "rstInt.h" |
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| 34 | #include "cmd.h" |
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| 35 | #include "varInt.h" |
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| 36 | |
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| 37 | static char rcsid[] UNUSED = "$Id: rstGroup.c,v 1.9 2005/05/16 06:22:35 fabio Exp $"; |
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| 38 | |
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| 39 | /*---------------------------------------------------------------------------*/ |
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| 40 | /* Constant declarations */ |
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| 41 | /*---------------------------------------------------------------------------*/ |
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| 42 | |
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| 43 | /* |
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| 44 | #define RST_GROUP_DEBUG 1 |
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| 45 | */ |
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| 46 | |
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| 47 | /*---------------------------------------------------------------------------*/ |
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| 48 | /* Structure declarations */ |
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| 49 | /*---------------------------------------------------------------------------*/ |
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| 50 | |
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| 51 | /*---------------------------------------------------------------------------*/ |
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| 52 | /* Type declarations */ |
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| 53 | /*---------------------------------------------------------------------------*/ |
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| 54 | /*---------------------------------------------------------------------------*/ |
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| 55 | /* Variable declarations */ |
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| 56 | /*---------------------------------------------------------------------------*/ |
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| 57 | |
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| 58 | /*---------------------------------------------------------------------------*/ |
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| 59 | /* Macro declarations */ |
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| 60 | /*---------------------------------------------------------------------------*/ |
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| 61 | |
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| 62 | #define Rst_VarForEachVarInArray( \ |
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| 63 | /* array_t* */ array, \ |
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| 64 | /* int, local */ i, \ |
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| 65 | /* Var_Variable_t* */ var \ |
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| 66 | ) \ |
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| 67 | arrayForEachItem(Var_Variable_t*, array, i, var) |
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| 68 | |
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| 69 | /**AutomaticStart*************************************************************/ |
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| 70 | |
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| 71 | /*---------------------------------------------------------------------------*/ |
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| 72 | /* Static function prototypes */ |
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| 73 | /*---------------------------------------------------------------------------*/ |
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| 74 | |
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| 75 | |
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| 76 | /**AutomaticEnd***************************************************************/ |
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| 77 | |
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| 78 | |
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| 79 | /*---------------------------------------------------------------------------*/ |
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| 80 | /* Definition of exported functions */ |
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| 81 | /*---------------------------------------------------------------------------*/ |
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| 82 | |
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| 83 | |
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| 84 | |
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| 85 | /**Function******************************************************************** |
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| 86 | |
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| 87 | Synopsis [Resets number of fanout tables.] |
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| 88 | |
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| 89 | Description [This should be moved to the Var package.] |
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| 90 | |
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| 91 | SideEffects [] |
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| 92 | |
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| 93 | SeeAlso [] |
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| 94 | |
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| 95 | ******************************************************************************/ |
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| 96 | /* |
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| 97 | This was moved to VAR package by Yuji on 11/8 and renamed to |
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| 98 | Var_VariableResetNumFanoutTables() |
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| 99 | |
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| 100 | void |
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| 101 | Var_VariableResetNumFanout( |
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| 102 | Var_Variable_t* var) |
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| 103 | { |
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| 104 | var->numFanoutTables = 0; |
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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 | /**Function******************************************************************** |
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| 110 | |
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| 111 | Synopsis [Duplicates a table and substitutes its variables.] |
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| 112 | |
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| 113 | Description [Duplicates a table and substitutes its input and output |
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| 114 | variables with variables given in an st_table. This is a common |
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| 115 | operation when copying tables to new Nodes during hierarchy |
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| 116 | restructuring operations. VartoVar table MUST contain new variables |
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| 117 | for each variable in Table. Returns a pointer to new table. |
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| 118 | |
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| 119 | This should be moved to the Tbl package. ] |
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| 120 | |
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| 121 | SideEffects [Creates new table and potentially modifies variable |
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| 122 | types of variables in st_table.] |
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| 123 | |
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| 124 | SeeAlso [] |
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| 125 | |
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| 126 | ******************************************************************************/ |
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| 127 | Tbl_Table_t* |
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| 128 | Tbl_TableDupAndSubstVars( |
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| 129 | Tbl_Table_t* Table, |
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| 130 | st_table* VartoVar) |
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| 131 | { |
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| 132 | int tblIndx, retVal; |
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| 133 | Var_Variable_t *var, *newVar; |
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| 134 | Tbl_Table_t* newTbl = Tbl_TableHardDup(Table); |
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| 135 | |
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| 136 | Tbl_TableForEachInputVar(newTbl, tblIndx, var) { |
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| 137 | retVal = st_lookup(VartoVar, (char*) var, &newVar); |
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| 138 | assert(retVal); |
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| 139 | Tbl_TableSubstituteVar(newTbl, var, newVar); |
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| 140 | Var_VariableIncrementNumFanoutTables(newVar); |
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| 141 | } |
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| 142 | Tbl_TableForEachOutputVar(newTbl, tblIndx, var) { |
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| 143 | retVal = st_lookup(VartoVar, (char*) var,&newVar); |
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| 144 | assert(retVal); |
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| 145 | Tbl_TableSubstituteVar(newTbl, var, newVar); |
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| 146 | } |
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| 147 | return newTbl; |
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| 148 | } |
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| 149 | |
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| 150 | /**Function******************************************************************** |
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| 151 | |
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| 152 | Synopsis [Translates a set of variables given one or two st_tables.] |
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| 153 | |
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| 154 | Description [Given an array of variables, this function looks up the |
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| 155 | variable in table VartoVarOne and finds a new variable to translate |
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| 156 | to. If VartoVarTwo exist, it repeats this operation. It returns an |
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| 157 | array of new (translated) variables. |
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| 158 | |
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| 159 | Is this a good Var package utility? ] |
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| 160 | |
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| 161 | SideEffects [Creates new array_t of variables.] |
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| 162 | |
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| 163 | SeeAlso [] |
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| 164 | |
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| 165 | ******************************************************************************/ |
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| 166 | array_t* |
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| 167 | Rst_VartoVarLookup( |
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| 168 | array_t* VarArray, |
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| 169 | st_table* VartoVarOne, |
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| 170 | st_table* VartoVarTwo) |
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| 171 | { |
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| 172 | int i, retVal; |
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| 173 | Var_Variable_t *var, *newVar, *tmpVar; |
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| 174 | array_t* newVarArray = array_alloc(Var_Variable_t*, array_n(VarArray)); |
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| 175 | |
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| 176 | Rst_VarForEachVarInArray(VarArray, i, var) { |
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| 177 | retVal = st_lookup(VartoVarOne, (char*) var, &newVar); |
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| 178 | assert(retVal); |
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| 179 | if (VartoVarTwo) { |
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| 180 | tmpVar = newVar; |
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| 181 | retVal = st_lookup(VartoVarTwo, (char*) tmpVar, &newVar); |
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| 182 | } |
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| 183 | assert(retVal); |
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| 184 | array_insert(Var_Variable_t*, newVarArray, i, newVar); |
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| 185 | } |
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| 186 | return newVarArray; |
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| 187 | } |
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| 188 | |
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| 189 | /**Function******************************************************************** |
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| 190 | |
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| 191 | Synopsis [Grabs non-option strings off command line.] |
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| 192 | |
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| 193 | Description [While running getopt, this function can be used to |
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| 194 | parse strings between options off the command line. This is useful |
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| 195 | for options with multiple arguments or arguments that can be |
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| 196 | specified anywhere with respect to option flags. |
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| 197 | |
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| 198 | Perhaps this belongs in the Cmd package. ] |
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| 199 | |
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| 200 | SideEffects [Creates new array_t of allocated char*s. |
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| 201 | Presumes that getopt has been reset and is running. |
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| 202 | MODIFIES util_optind!!!] |
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| 203 | |
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| 204 | SeeAlso [util_getopt, Rst_CommandGroupComponents] |
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| 205 | |
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| 206 | ******************************************************************************/ |
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| 207 | array_t* |
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| 208 | Rst_GetNamesUntilNextOption( |
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| 209 | array_t* nameArray, |
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| 210 | int argc, |
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| 211 | char **argv) |
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| 212 | { |
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| 213 | char* name; |
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| 214 | |
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| 215 | while ((util_optind < argc) && (*argv[util_optind] != '-')) { |
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| 216 | name = util_strcat3(argv[util_optind], "", ""); |
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| 217 | array_insert_last(char*, nameArray, name); |
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| 218 | util_optind++; |
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| 219 | } |
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| 220 | return nameArray; |
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| 221 | } |
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| 222 | |
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| 223 | /**Function******************************************************************** |
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| 224 | |
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| 225 | Synopsis [Reads an array of strings from a file.] |
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| 226 | |
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| 227 | Description [Returns an array of strings read from an open file.] |
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| 228 | |
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| 229 | SideEffects [Returns allocated char*s in nameArray which must be |
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| 230 | preallocated. fp must have been opened.] |
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| 231 | |
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| 232 | SeeAlso [] |
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| 233 | |
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| 234 | ******************************************************************************/ |
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| 235 | array_t* |
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| 236 | Rst_LoadNameArrayFromFile( |
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| 237 | array_t* nameArray, |
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| 238 | FILE* fp) |
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| 239 | { |
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| 240 | char* name; |
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| 241 | char buffer[1024]; |
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| 242 | |
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| 243 | while (fscanf(fp, "%s", buffer) != EOF) { |
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| 244 | name = util_strcat3(buffer, "", ""); |
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| 245 | array_insert_last(char*, nameArray, name); |
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| 246 | } |
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| 247 | return nameArray; |
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| 248 | } |
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| 249 | |
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| 250 | /**Function******************************************************************** |
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| 251 | |
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| 252 | Synopsis [Creates a Group from user specified components] |
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| 253 | |
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| 254 | Description [Treating all components which PRODUCE variables (ie, |
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| 255 | outputs of Tables, Latches, Subcircuits) as in the group specified by a |
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| 256 | list of variables, this function builds a group and all the tables |
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| 257 | associated. Specifically, it derives the input and output |
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| 258 | variables, as well as simple tables to list the contained |
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| 259 | components. A Group can then be transformed into a model via |
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| 260 | RstGroupBuildModel. Note that a special kind of group for the |
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| 261 | remainder of the Node being partitioned is created using |
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| 262 | RstCreateParentGroup. This routine is called by |
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| 263 | Rst_GroupRestructureNode. |
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| 264 | |
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| 265 | NUMBER ONE RULE OF GROUPS: GROUP COMPONENTS are tracked by their |
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| 266 | OUTPUT VARS ] |
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| 267 | |
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| 268 | SideEffects [Allocates a Rst_Group_t.] |
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| 269 | |
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| 270 | SeeAlso [RstGroupBuildModel, RstCreateParentGroup, Rst_GroupRestructureNode] |
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| 271 | |
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| 272 | ******************************************************************************/ |
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| 273 | Rst_Group_t* |
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| 274 | RstGroupComponents( |
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| 275 | Hrc_Model_t* CurModel, |
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| 276 | char* NewName, |
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| 277 | array_t* VarGroup, |
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| 278 | array_t* Subcircuits) |
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| 279 | { |
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| 280 | int i, j, tblIndx; |
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| 281 | long inGroup; |
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| 282 | char* latchName, *subcktName; |
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| 283 | Hrc_Latch_t* latch; |
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| 284 | Hrc_Subckt_t* subckt; |
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| 285 | Hrc_Node_t* curMaster; |
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| 286 | st_generator* sgen; |
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| 287 | Tbl_Table_t* tbl; |
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| 288 | Var_Variable_t* var = NIL(Var_Variable_t); |
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| 289 | array_t* subOutputs; |
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| 290 | Rst_Group_t* group = RstGroupAlloc(NewName); |
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| 291 | |
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| 292 | curMaster = Hrc_ModelReadMasterNode(CurModel); |
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| 293 | |
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| 294 | /* Make sure there is something to group */ |
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| 295 | i=0; |
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| 296 | if (VarGroup) { |
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| 297 | i += array_n(VarGroup); |
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| 298 | } |
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| 299 | if (Subcircuits) { |
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| 300 | i += array_n(Subcircuits); |
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| 301 | } |
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| 302 | if (i == 0) { |
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| 303 | return 0; |
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| 304 | } |
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| 305 | |
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| 306 | /* Determine Input/Output Formal list from implied partitioning */ |
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| 307 | |
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| 308 | if (VarGroup) { |
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| 309 | /* Store group variables (ie outputs of tables/latches) in hash |
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| 310 | table */ |
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| 311 | Rst_VarForEachVarInArray(VarGroup, i, var) { |
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| 312 | if ((var) && (! Var_VariableTestIsPI(var))) { |
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| 313 | st_insert(group->Vars, (char*) var, (char*) (long) 1); |
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| 314 | } else if ((var) && (Var_VariableTestIsPI(var))) { |
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| 315 | (void) fprintf(vis_stderr, |
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| 316 | "Warning: can't group a PI: %s\n", |
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| 317 | Var_VariableReadName(var)); |
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| 318 | } |
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| 319 | } |
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| 320 | } |
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| 321 | |
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| 322 | if (Subcircuits) { |
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| 323 | /* Store Subckt in group Subcircuits hashtable. |
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| 324 | Store output vars of all group Subckts in var hash table */ |
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| 325 | for (i = 0; i < array_n(Subcircuits); i++) { |
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| 326 | subckt = array_fetch(Hrc_Subckt_t*, Subcircuits, i); |
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| 327 | st_insert(group->Subcircuits, (char*) subckt, (char*) (long) 1); |
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| 328 | Rst_VarForEachVarInArray(Hrc_SubcktReadActualOutputVars(subckt), |
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| 329 | j, var) { |
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| 330 | if (! st_lookup(group->Vars, (char*) var, &inGroup)) { |
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| 331 | st_insert(group->Vars, (char*) var, (char*) (long) 1); |
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| 332 | } |
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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 | /* Table and Latch outputs which are group vars become members of the group |
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| 338 | */ |
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| 339 | |
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| 340 | Hrc_NodeForEachLatch(curMaster, sgen, latchName, latch) { |
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| 341 | if (st_lookup(group->Vars, (char*) Hrc_LatchReadOutput(latch), &inGroup)) { |
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| 342 | st_insert(group->Latches, (char*) latch, (char*) (long) 1); |
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| 343 | } |
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| 344 | } |
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| 345 | |
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| 346 | Hrc_NodeForEachNameTable(curMaster, tblIndx, tbl) { |
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| 347 | Tbl_TableForEachOutputVar(tbl, j, var) { |
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| 348 | inGroup = 0; |
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| 349 | if (st_lookup(group->Vars, (char*) var, &inGroup)) { |
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| 350 | st_insert(group->Tables, (char*) tbl, (char*) (long) 1); |
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| 351 | break; |
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| 352 | } |
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| 353 | } |
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| 354 | /* FIXME: Table Splitting here */ |
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| 355 | |
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| 356 | if ((inGroup) && (Tbl_TableReadNumOutputs(tbl) > 1)) { |
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| 357 | (void) fprintf(vis_stderr, |
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| 358 | "WARNING: multi-output table %s moved to group %s\n", |
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| 359 | Var_VariableReadName(var), group->name); |
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| 360 | } |
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| 361 | } |
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| 362 | /* If outputs of a subckt are in a group, the subckt moves |
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| 363 | into the group */ |
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| 364 | |
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| 365 | Hrc_ModelForEachSubckt(CurModel, sgen, subcktName, subckt) { |
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| 366 | Var_Variable_t* outVar = NIL(Var_Variable_t); /* initialize to pacify */ |
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| 367 | if (! st_lookup(group->Subcircuits, (char*) subckt, &inGroup)) { |
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| 368 | subOutputs = Hrc_SubcktReadActualOutputVars(subckt); |
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| 369 | Rst_VarForEachVarInArray(subOutputs, i, outVar) { |
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| 370 | if (st_lookup(group->Vars, (char*) outVar, &inGroup)) { |
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| 371 | break; |
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| 372 | } |
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| 373 | } |
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| 374 | if (i < array_n(subOutputs)) { |
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| 375 | Rst_VarForEachVarInArray(subOutputs, j, var) { |
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| 376 | if (! st_lookup(group->Vars, (char*) var, &inGroup)) { |
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| 377 | st_insert(group->Vars, (char*) var, (char*) (long) 1); |
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| 378 | } |
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| 379 | } |
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| 380 | st_insert(group->Subcircuits, (char*) subckt, (char*) (long) 1); |
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| 381 | (void) fprintf(vis_stderr, |
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| 382 | "Warning: instance %s becomes member of group %s", |
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| 383 | subcktName, group->name); |
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| 384 | (void) fprintf(vis_stderr, " because of output variable %s\n", |
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| 385 | Var_VariableReadName(outVar)); |
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| 386 | } |
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| 387 | } |
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| 388 | } |
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| 389 | |
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| 390 | /* Group Outputs: Scan parent outputs for group vars. Scan non-group |
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| 391 | component (Subcircuits/Latches/Tables) inputs for group vars */ |
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| 392 | |
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| 393 | Hrc_NodeForEachFormalOutput(curMaster, i, var) { |
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| 394 | if ((st_lookup(group->Vars, (char*) var, &inGroup)) && |
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| 395 | (! st_lookup(group->Outputs, (char*) var, &inGroup))) { |
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| 396 | st_insert(group->Outputs, (char*) var, (char*) (long) 1); |
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| 397 | } |
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| 398 | } |
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| 399 | |
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| 400 | Hrc_ModelForEachSubckt(CurModel, sgen, subcktName, subckt) { |
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| 401 | if (! st_lookup(group->Subcircuits, (char*) subckt, &inGroup)) { |
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| 402 | Rst_VarForEachVarInArray(Hrc_SubcktReadActualInputVars(subckt), i, var) { |
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| 403 | if ((st_lookup(group->Vars, (char*) var, &inGroup)) && |
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| 404 | (! st_lookup(group->Outputs, (char*) var, &inGroup))) { |
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| 405 | st_insert(group->Outputs, (char*) var, (char*) (long) 1); |
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| 406 | } |
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| 407 | } |
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| 408 | } |
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| 409 | } |
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| 410 | Hrc_NodeForEachLatch(curMaster, sgen, latchName, latch) { |
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| 411 | if (! st_lookup(group->Latches, (char*) latch, &inGroup)) { |
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| 412 | var = Hrc_LatchReadInput(latch); |
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| 413 | if ((st_lookup(group->Vars, (char*) var, &inGroup)) && |
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| 414 | (! st_lookup(group->Outputs, (char*) var, &inGroup))) { |
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| 415 | st_insert(group->Outputs, (char*) var, (char*) (long) 1); |
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| 416 | } |
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| 417 | } |
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| 418 | } |
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| 419 | Hrc_NodeForEachNameTable(curMaster, i, tbl) { |
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| 420 | if (! st_lookup(group->Tables, (char*) tbl, &inGroup)) { |
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| 421 | Tbl_TableForEachInputVar(tbl, j, var) { |
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| 422 | if ((st_lookup(group->Vars, (char*) var, &inGroup)) && |
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| 423 | (! st_lookup(group->Outputs, (char*) var, &inGroup))) { |
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| 424 | st_insert(group->Outputs, (char*) var, (char*) (long) 1); |
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| 425 | } |
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| 426 | } |
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| 427 | } |
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| 428 | } |
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| 429 | |
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| 430 | /* Group Inputs: Scan group subcomponent inputs for non-group vars */ |
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| 431 | |
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| 432 | /* Formal inputs are never vars of a group. Thus, they are always |
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| 433 | non-group vars when are inputs to group subcomponents, and are |
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| 434 | caught by the code below*/ |
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| 435 | |
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| 436 | Hrc_ModelForEachSubckt(CurModel, sgen, subcktName, subckt) { |
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| 437 | if (st_lookup(group->Subcircuits, (char*) subckt, &inGroup)) { |
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| 438 | Rst_VarForEachVarInArray(Hrc_SubcktReadActualInputVars(subckt), i, var) { |
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| 439 | if ((! st_lookup(group->Vars, (char*) var, &inGroup)) && |
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| 440 | (! st_lookup(group->Inputs, (char*) var, &inGroup))) { |
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| 441 | st_insert(group->Inputs, (char*) var, (char*) (long) 1); |
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| 442 | } |
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| 443 | } |
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| 444 | } |
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| 445 | } |
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| 446 | Hrc_NodeForEachLatch(curMaster, sgen, latchName, latch) { |
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| 447 | if (st_lookup(group->Latches, (char*) latch, &inGroup)) { |
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| 448 | var = Hrc_LatchReadInput(latch); |
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| 449 | if ((! st_lookup(group->Vars, (char*) var, &inGroup)) && |
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| 450 | (! st_lookup(group->Inputs, (char*) var, &inGroup))) { |
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| 451 | st_insert(group->Inputs, (char*) var, (char*) (long) 1); |
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| 452 | } |
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| 453 | /* Reset table here */ |
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| 454 | tbl = Hrc_LatchReadResetTable(latch); |
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| 455 | Tbl_TableForEachInputVar(tbl, j, var) { |
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| 456 | if (! st_lookup(group->Vars, (char*) var, &inGroup)) |
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| 457 | st_insert(group->Vars, (char*) var, (char*) (long) 1); |
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| 458 | } |
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| 459 | } |
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| 460 | } |
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| 461 | Hrc_NodeForEachNameTable(curMaster, tblIndx, tbl) { |
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| 462 | if (st_lookup(group->Tables, (char*) tbl, &inGroup)) { |
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| 463 | Tbl_TableForEachInputVar(tbl, j, var) { |
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| 464 | if ((! st_lookup(group->Vars, (char*) var, &inGroup)) && |
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| 465 | (! st_lookup(group->Inputs, (char*) var, &inGroup))) { |
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| 466 | st_insert(group->Inputs, (char*) var, (char*) (long) 1); |
---|
| 467 | } |
---|
| 468 | } |
---|
| 469 | } |
---|
| 470 | } |
---|
| 471 | |
---|
| 472 | return group; |
---|
| 473 | } |
---|
| 474 | |
---|
| 475 | /**Function******************************************************************** |
---|
| 476 | |
---|
| 477 | Synopsis [Takes a Group partitioning of a Node and builds a new |
---|
| 478 | Model reflecting that partition.] |
---|
| 479 | |
---|
| 480 | Description [Called by the main routine Rst_CommandGroupComponents, |
---|
| 481 | this routine builds the models corresponding to each group in |
---|
| 482 | GroupArray, builds a new Node instantiating these models as |
---|
| 483 | subckts. Note that one can build a Group using RstGroupComponents] |
---|
| 484 | |
---|
| 485 | SideEffects [Allocates a new Hrc_Model_t.] |
---|
| 486 | |
---|
| 487 | SeeAlso [RstGroupComponents, RstGroupBuildModel, RstCreateParentGroup, |
---|
| 488 | Rst_CommandGroupComponents, Rst_GroupRestructureNode] |
---|
| 489 | |
---|
| 490 | ******************************************************************************/ |
---|
| 491 | Hrc_Model_t* |
---|
| 492 | Rst_GroupRestructureModel( |
---|
| 493 | Hrc_Manager_t* Hmgr, |
---|
| 494 | Hrc_Model_t* ParentModel, |
---|
| 495 | array_t* GroupArray) |
---|
| 496 | { |
---|
| 497 | int i, j; |
---|
| 498 | char *newModelName; |
---|
| 499 | st_generator *sgen; |
---|
| 500 | Var_Variable_t *var, *newVar; |
---|
| 501 | Hrc_Model_t *newModel, *newParentModel; |
---|
| 502 | Hrc_Node_t *newMaster; |
---|
| 503 | Rst_Group_t *group, *parentGroup; |
---|
| 504 | st_table *varForwPtr; |
---|
| 505 | array_t *newModelArray, *newMasterArray, *newNodeArray; |
---|
| 506 | |
---|
| 507 | for (i = 0; i < array_n(GroupArray); i++) { |
---|
| 508 | group = array_fetch(Rst_Group_t*, GroupArray, i); |
---|
| 509 | #ifdef RST_GROUP_DEBUG |
---|
| 510 | RstGroupPrint(group); |
---|
| 511 | #endif |
---|
| 512 | } |
---|
| 513 | /* Check group components for disjointness */ |
---|
| 514 | |
---|
| 515 | if (RstGroupDisjointCheck(GroupArray)) |
---|
| 516 | return 0; |
---|
| 517 | |
---|
| 518 | /* Construct a level of hierarchy for each group */ |
---|
| 519 | |
---|
| 520 | newModelArray = array_alloc(Hrc_Model_t*, array_n(GroupArray)); |
---|
| 521 | newMasterArray = array_alloc(Hrc_Node_t*, array_n(GroupArray)); |
---|
| 522 | newNodeArray = array_alloc(Hrc_Node_t*, array_n(GroupArray)); |
---|
| 523 | |
---|
| 524 | for (i = 0; i < array_n(GroupArray); i++) { |
---|
| 525 | group = array_fetch(Rst_Group_t*, GroupArray, i); |
---|
| 526 | newModel = RstGroupBuildModel(Hmgr, group); |
---|
| 527 | if (! newModel) { |
---|
| 528 | return 0; |
---|
| 529 | } |
---|
| 530 | newMaster = Hrc_ModelReadMasterNode(newModel); |
---|
| 531 | array_insert(Hrc_Model_t*, newModelArray, i, newModel); |
---|
| 532 | array_insert(Hrc_Node_t*, newMasterArray, i, newMaster); |
---|
| 533 | } |
---|
| 534 | |
---|
| 535 | /* Build the new parent hierarchy */ |
---|
| 536 | |
---|
| 537 | newModelName = RstGroupNewParentName(Hrc_ModelReadName(ParentModel)); |
---|
| 538 | parentGroup = RstCreateParentGroup(Hmgr, ParentModel, newModelName, |
---|
| 539 | GroupArray); |
---|
| 540 | FREE(newModelName); |
---|
| 541 | if (! parentGroup) { |
---|
| 542 | return 0; |
---|
| 543 | } |
---|
| 544 | #ifdef RST_GROUP_DEBUG |
---|
| 545 | RstGroupPrint(parentGroup); |
---|
| 546 | #endif |
---|
| 547 | newParentModel = RstGroupBuildModel(Hmgr, parentGroup); |
---|
| 548 | |
---|
| 549 | /* Computing actuals: Group IO vars USED to be in the old parent. |
---|
| 550 | 1) lookup what the new IO vars used to be in the old parent |
---|
| 551 | 2) In the old parent, find the correspond new parent vars |
---|
| 552 | */ |
---|
| 553 | |
---|
| 554 | /* Build Table: Parent to New Parent Vars, by reversing back pointers */ |
---|
| 555 | |
---|
| 556 | varForwPtr = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 557 | st_foreach_item(parentGroup->VarBackPtr, sgen, &newVar, &var) { |
---|
| 558 | st_insert(varForwPtr, (char*) var, (char*) newVar); |
---|
| 559 | } |
---|
| 560 | |
---|
| 561 | /* Free parent group now */ |
---|
| 562 | RstGroupFree(parentGroup); parentGroup = 0; |
---|
| 563 | |
---|
| 564 | /* Instantiate groups as subckts */ |
---|
| 565 | |
---|
| 566 | for (i = 0; i < array_n(GroupArray); i++) { |
---|
| 567 | array_t* actualInputArray, *actualOutputArray; |
---|
| 568 | |
---|
| 569 | group = array_fetch(Rst_Group_t*, GroupArray, i); |
---|
| 570 | newModel = array_fetch(Hrc_Model_t*, newModelArray, i); |
---|
| 571 | newMaster = Hrc_ModelReadMasterNode(newModel); |
---|
| 572 | |
---|
| 573 | actualInputArray = |
---|
| 574 | Rst_VartoVarLookup(Hrc_NodeReadFormalInputs(newMaster), |
---|
| 575 | group->VarBackPtr, varForwPtr); |
---|
| 576 | actualOutputArray = |
---|
| 577 | Rst_VartoVarLookup(Hrc_NodeReadFormalOutputs(newMaster), |
---|
| 578 | group->VarBackPtr, varForwPtr); |
---|
| 579 | |
---|
| 580 | Hrc_ModelAddSubckt(newParentModel, newModel, group->name, |
---|
| 581 | actualInputArray, actualOutputArray); |
---|
| 582 | Rst_VarForEachVarInArray(actualInputArray, j, var) { |
---|
| 583 | Var_VariableSetSI(var); |
---|
| 584 | } |
---|
| 585 | Rst_VarForEachVarInArray(actualOutputArray, j, var) { |
---|
| 586 | Var_VariableSetSO(var); |
---|
| 587 | } |
---|
| 588 | } |
---|
| 589 | array_free(newModelArray); |
---|
| 590 | array_free(newMasterArray); |
---|
| 591 | array_free(newNodeArray); |
---|
| 592 | |
---|
| 593 | st_free_table(varForwPtr); |
---|
| 594 | return newParentModel; |
---|
| 595 | } |
---|
| 596 | |
---|
| 597 | /**Function******************************************************************** |
---|
| 598 | |
---|
| 599 | Synopsis [Takes a Group partitioning of a Node and replaces Node |
---|
| 600 | with the partitioned Node.] |
---|
| 601 | |
---|
| 602 | Description [Called by the main routine Rst_CommandGroupComponents, |
---|
| 603 | this routine builds the models corresponding to each group in |
---|
| 604 | GroupArray, builds a new Node instantiating these models as |
---|
| 605 | subckts. Note that one can build a Group using RstGroupComponents] |
---|
| 606 | |
---|
| 607 | SideEffects [Allocates a new Hrc_Node_t and replaces the CurNode with it.] |
---|
| 608 | |
---|
| 609 | SeeAlso [RstGroupComponents, RstGroupBuildModel, RstCreateParentGroup, |
---|
| 610 | Rst_CommandGroupComponents] |
---|
| 611 | |
---|
| 612 | ******************************************************************************/ |
---|
| 613 | Hrc_Node_t* |
---|
| 614 | Rst_GroupRestructureNode( |
---|
| 615 | Hrc_Manager_t* Hmgr, |
---|
| 616 | Hrc_Node_t* CurNode, |
---|
| 617 | array_t* GroupArray) |
---|
| 618 | { |
---|
| 619 | int retVal; |
---|
| 620 | #ifdef RST_GROUP_DEBUG |
---|
| 621 | st_generator* sgen; |
---|
| 622 | char* childName; |
---|
| 623 | Hrc_Node_t *child; |
---|
| 624 | #endif |
---|
| 625 | Hrc_Model_t *newParentModel; |
---|
| 626 | Hrc_Node_t *newNode = 0; |
---|
| 627 | Hrc_Model_t* CurModel= |
---|
| 628 | Hrc_ManagerFindModelByName(Hmgr, Hrc_NodeReadModelName(CurNode)); |
---|
| 629 | |
---|
| 630 | newParentModel = Rst_GroupRestructureModel(Hmgr, CurModel, GroupArray); |
---|
| 631 | if (newParentModel) { |
---|
| 632 | |
---|
| 633 | newNode = Hrc_ModelCreateHierarchy(Hmgr, newParentModel, |
---|
| 634 | Hrc_NodeReadInstanceName(CurNode)); |
---|
| 635 | |
---|
| 636 | #ifdef RST_GROUP_DEBUG |
---|
| 637 | (void) fprintf(vis_stderr, "Checking New Node\n"); |
---|
| 638 | assert(Hrc_NodeCheckVariableConsistency(newNode)); |
---|
| 639 | (void) fprintf(vis_stderr, "Checking Subcircuits\n"); |
---|
| 640 | Hrc_NodeForEachChild(newNode, sgen, childName, child) { |
---|
| 641 | assert(Hrc_NodeCheckVariableConsistency(child)); |
---|
| 642 | } |
---|
| 643 | #endif |
---|
| 644 | |
---|
| 645 | retVal = Hrc_TreeReplace(CurNode, newNode); |
---|
| 646 | assert(retVal); |
---|
| 647 | Hrc_ManagerSetCurrentNode(Hmgr, newNode); |
---|
| 648 | } |
---|
| 649 | return newNode; |
---|
| 650 | } |
---|
| 651 | |
---|
| 652 | /**Function******************************************************************** |
---|
| 653 | |
---|
| 654 | Synopsis [Creates a model of the combinational portion of a Node.] |
---|
| 655 | |
---|
| 656 | Description [Finds the combinational logic of a Model and groups it into |
---|
| 657 | a new Model.] |
---|
| 658 | |
---|
| 659 | SideEffects [Allocates a new Hrc_Model_t.] |
---|
| 660 | |
---|
| 661 | SeeAlso [RstGroupComponents, Rst_GroupRestructureNode] |
---|
| 662 | |
---|
| 663 | ******************************************************************************/ |
---|
| 664 | Hrc_Model_t* |
---|
| 665 | Rst_GroupGroupCombLogic( |
---|
| 666 | Hrc_Manager_t* Hmgr, |
---|
| 667 | Hrc_Model_t* CurModel) |
---|
| 668 | { |
---|
| 669 | long inGroup; |
---|
| 670 | int tblIndx, varIndx; |
---|
| 671 | Var_Variable_t *var; |
---|
| 672 | Tbl_Table_t* tbl; |
---|
| 673 | array_t* varArray = array_alloc(Var_Variable_t*, 0); |
---|
| 674 | Rst_Group_t *group; |
---|
| 675 | st_table *tableOutputs = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 676 | Hrc_Node_t *curMaster; |
---|
| 677 | Hrc_Model_t* newModel; |
---|
| 678 | |
---|
| 679 | /* Perhaps this is better done with the NameTables so that we drop |
---|
| 680 | subckts from inclusion */ |
---|
| 681 | |
---|
| 682 | curMaster = Hrc_ModelReadMasterNode(CurModel); |
---|
| 683 | |
---|
| 684 | Hrc_NodeForEachNameTable(curMaster, tblIndx, tbl) { |
---|
| 685 | Tbl_TableForEachOutputVar(tbl, varIndx, var) { |
---|
| 686 | if (! st_lookup(tableOutputs, (char*) var, &inGroup)) { |
---|
| 687 | st_insert(tableOutputs, (char*) var, (char*) (long) 1); |
---|
| 688 | array_insert_last(Var_Variable_t*, varArray, var); |
---|
| 689 | } |
---|
| 690 | } |
---|
| 691 | } |
---|
| 692 | st_free_table(tableOutputs); |
---|
| 693 | group = RstGroupComponents(CurModel, |
---|
| 694 | util_strcat3(Hrc_ModelReadName(CurModel), |
---|
| 695 | "_comb", ""), |
---|
| 696 | varArray, NULL); |
---|
| 697 | array_free(varArray); |
---|
| 698 | |
---|
| 699 | if (group) { |
---|
| 700 | array_t *groupArray = array_alloc(Rst_Group_t*, 1); |
---|
| 701 | array_insert_last(Rst_Group_t*, groupArray, group); |
---|
| 702 | newModel = Rst_GroupRestructureModel(Hmgr, CurModel, groupArray); |
---|
| 703 | array_free(groupArray); |
---|
| 704 | return newModel; |
---|
| 705 | } |
---|
| 706 | return 0; |
---|
| 707 | } |
---|
| 708 | |
---|
| 709 | /**Function******************************************************************** |
---|
| 710 | |
---|
| 711 | Synopsis [Creates a model of the latch portion of a Node.] |
---|
| 712 | |
---|
| 713 | Description [Finds the latches of a Model and groups them into a new Model.] |
---|
| 714 | |
---|
| 715 | SideEffects [Allocates a new Hrc_Model_t.] |
---|
| 716 | |
---|
| 717 | SeeAlso [RstGroupComponents, Rst_GroupRestructureNode] |
---|
| 718 | |
---|
| 719 | ******************************************************************************/ |
---|
| 720 | Hrc_Model_t* |
---|
| 721 | Rst_GroupGroupLatches( |
---|
| 722 | Hrc_Manager_t* Hmgr, |
---|
| 723 | Hrc_Model_t* CurModel) |
---|
| 724 | { |
---|
| 725 | char *latchName; |
---|
| 726 | st_generator *sgen; |
---|
| 727 | Hrc_Latch_t *latch; |
---|
| 728 | array_t* varArray = array_alloc(Var_Variable_t*, 0); |
---|
| 729 | Rst_Group_t *group; |
---|
| 730 | Hrc_Node_t* curMaster = Hrc_ModelReadMasterNode(CurModel); |
---|
| 731 | Hrc_Model_t* newModel; |
---|
| 732 | |
---|
| 733 | Hrc_NodeForEachLatch(curMaster, sgen, latchName, latch) { |
---|
| 734 | array_insert_last(Var_Variable_t*, varArray, Hrc_LatchReadOutput(latch)); |
---|
| 735 | } |
---|
| 736 | |
---|
| 737 | group = RstGroupComponents(CurModel, |
---|
| 738 | util_strcat3(Hrc_ModelReadName(CurModel), |
---|
| 739 | "_latch", ""), |
---|
| 740 | varArray, NULL); |
---|
| 741 | array_free(varArray); |
---|
| 742 | |
---|
| 743 | if (group) { |
---|
| 744 | array_t *groupArray = array_alloc(Rst_Group_t*, 1); |
---|
| 745 | array_insert_last(Rst_Group_t*, groupArray, group); |
---|
| 746 | newModel = Rst_GroupRestructureModel(Hmgr, CurModel, groupArray); |
---|
| 747 | array_free(groupArray); |
---|
| 748 | return newModel; |
---|
| 749 | } |
---|
| 750 | return 0; |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | /**Function******************************************************************** |
---|
| 754 | |
---|
| 755 | Synopsis [This function is the command-line interface for the user |
---|
| 756 | to specify groups into which to partition the components of the |
---|
| 757 | current level of hierarchy.] |
---|
| 758 | |
---|
| 759 | CommandName [decompose_child] |
---|
| 760 | |
---|
| 761 | CommandSynopsis [Partitions Node components into child nodes. ] |
---|
| 762 | |
---|
| 763 | CommandArguments[-n <groupname> \[-f <filename>\] |
---|
| 764 | \[-c\] \[-v\] \[-t\] \[-l\] \[<components>\]] |
---|
| 765 | |
---|
| 766 | CommandDescription [This command partitions the current Node into |
---|
| 767 | several new children nodes according to user-specified groups. |
---|
| 768 | |
---|
| 769 | The user may specify several groups by name \[-n\] sequentially on |
---|
| 770 | the command line. Within each group a list of components (either |
---|
| 771 | variables or child nodes) can be placed. The flags \[-c\] \[-v\] |
---|
| 772 | toggle whether element names are interpreted as child instances or |
---|
| 773 | variables (default is instances \[-c\]). Element names can be |
---|
| 774 | loaded from a file as well using the \[-f\] flag. <p> |
---|
| 775 | |
---|
| 776 | By specifying a variable to be grouped, any object (e.g., Table, |
---|
| 777 | Latch, Child) that PRODUCES that variable is included in the newly |
---|
| 778 | created child node for that group.<p> |
---|
| 779 | |
---|
| 780 | |
---|
| 781 | Command options:<p> |
---|
| 782 | |
---|
| 783 | <dl> |
---|
| 784 | <dt> -n <groupname> |
---|
| 785 | <dd> Define new group |
---|
| 786 | </dl> |
---|
| 787 | |
---|
| 788 | <dl> |
---|
| 789 | <dt> -f <filename> |
---|
| 790 | <dd> Load names from file |
---|
| 791 | </dl> |
---|
| 792 | <dl> |
---|
| 793 | |
---|
| 794 | <dt> -c |
---|
| 795 | <dd> Interpret names that follow as child instances to group |
---|
| 796 | </dl> |
---|
| 797 | |
---|
| 798 | <dt> -v |
---|
| 799 | <dd> Interpret names that follow as variables |
---|
| 800 | </dl> |
---|
| 801 | |
---|
| 802 | <dt> -l |
---|
| 803 | <dd> Include all latch output nodes (and therefore latches) in group |
---|
| 804 | </dl> |
---|
| 805 | |
---|
| 806 | <dt> -t |
---|
| 807 | <dd> Include all combinational tables in group. |
---|
| 808 | </dl> |
---|
| 809 | |
---|
| 810 | Examples:<p> |
---|
| 811 | decompose_child -n c1 -v G1 G2 -n c2 IA IB<p> |
---|
| 812 | |
---|
| 813 | Place variables G1 and G2 into a new child node c1 and |
---|
| 814 | child nodes IA and IB into a new child node c2.<p> |
---|
| 815 | |
---|
| 816 | Example:<p> |
---|
| 817 | decompose_child -n ckt_inst child1 -f myinstances -v var1 -n latch_inst -l <p> |
---|
| 818 | |
---|
| 819 | This groups the subckts child1 and those listed in the file myinstances, |
---|
| 820 | as well as the variable var1 into a subckt called 'ckt_inst'. It |
---|
| 821 | also groups all the latches into a subckt called 'latch_inst'.] |
---|
| 822 | |
---|
| 823 | SideEffects [Replaces current Node with a new Node containing |
---|
| 824 | children representing the partition.] |
---|
| 825 | |
---|
| 826 | ******************************************************************************/ |
---|
| 827 | int |
---|
| 828 | Rst_CommandGroupComponents( |
---|
| 829 | Hrc_Manager_t** Hmgr, |
---|
| 830 | int argc, |
---|
| 831 | char ** argv) |
---|
| 832 | { |
---|
| 833 | enum { SUBCKT_GROUP, VAR_GROUP } readType = SUBCKT_GROUP; |
---|
| 834 | int c, i, retVal, tblIndx; |
---|
| 835 | st_generator *sgen; |
---|
| 836 | Rst_Group_t* group; |
---|
| 837 | Var_Variable_t* var; |
---|
| 838 | Hrc_Subckt_t* child; |
---|
| 839 | char *fileName, *varName, *childName, *latchName; |
---|
| 840 | char* groupName = 0; |
---|
| 841 | array_t *vars = 0, *children = 0; |
---|
| 842 | Hrc_Latch_t* latch; |
---|
| 843 | Tbl_Table_t* tbl; |
---|
| 844 | array_t* nameArray = 0; |
---|
| 845 | array_t* groupArray = array_alloc(Rst_Group_t*, 1); |
---|
| 846 | Hrc_Node_t* curNode = Hrc_ManagerReadCurrentNode(*Hmgr); |
---|
| 847 | Hrc_Node_t* curMaster; |
---|
| 848 | FILE* fp; |
---|
| 849 | Hrc_Model_t* CurModel; |
---|
| 850 | |
---|
| 851 | if (! curNode) { |
---|
| 852 | /* No node has been read in. The only sane thing we |
---|
| 853 | support is the -h option */ |
---|
| 854 | array_free(groupArray); groupArray = 0; |
---|
| 855 | util_getopt_reset(); |
---|
| 856 | if ((c = util_getopt(argc,argv,"h")) != EOF) { |
---|
| 857 | goto usage; |
---|
| 858 | } |
---|
| 859 | (void) fprintf(vis_stderr, "ERROR: no current Node\n"); |
---|
| 860 | return 1; |
---|
| 861 | } |
---|
| 862 | |
---|
| 863 | CurModel= |
---|
| 864 | Hrc_ManagerFindModelByName(Hrc_NodeReadManager(curNode), |
---|
| 865 | Hrc_NodeReadModelName(curNode)); |
---|
| 866 | curMaster = Hrc_ModelReadMasterNode(CurModel); |
---|
| 867 | |
---|
| 868 | /* This command processing loop is conceptually simple, but almost |
---|
| 869 | 'goto' like and needs explanation. The command line is a sequence |
---|
| 870 | of groups between which are specified component names to group. |
---|
| 871 | |
---|
| 872 | A group is started with a Naming operation '-n'. We get a list of |
---|
| 873 | component names to group either from the command line or from a |
---|
| 874 | file. Names can be anywhere on the command line (except between |
---|
| 875 | -n/-f and their argument). The names are interpreted as Variables |
---|
| 876 | or Children depending on the last -v or -c flag. Children is the |
---|
| 877 | default setting on entry. |
---|
| 878 | |
---|
| 879 | After every option, we can read more names off command line, so we |
---|
| 880 | drop into this mode after completing a -n <name> or -f <file> |
---|
| 881 | operation. This means we always drop into the outer 'default'. |
---|
| 882 | |
---|
| 883 | The goal is to collect a set of Variable and Child names for each |
---|
| 884 | Group Name specified. */ |
---|
| 885 | |
---|
| 886 | util_getopt_reset(); |
---|
| 887 | while ((c = util_getopt(argc, argv, "n:f:cvtlh")) != EOF) { |
---|
| 888 | switch(c) { |
---|
| 889 | case 'n': /* expects a Name arg */ |
---|
| 890 | case 'f': /* expects a filename arg */ |
---|
| 891 | switch(c) { |
---|
| 892 | case 'n': /* Name a new group */ |
---|
| 893 | if (groupName != NULL) { |
---|
| 894 | group = RstGroupComponents(CurModel, groupName, |
---|
| 895 | vars, children); |
---|
| 896 | array_free(vars); vars = 0; |
---|
| 897 | array_free(children); children = 0; |
---|
| 898 | FREE(groupName); |
---|
| 899 | if (group) { |
---|
| 900 | array_insert_last(Rst_Group_t*, groupArray, group); |
---|
| 901 | } else { |
---|
| 902 | (void) fprintf(vis_stderr, |
---|
| 903 | "Warning: Incomplete group %s -- ignored\n", |
---|
| 904 | groupName); |
---|
| 905 | RstGroupFree(group); group = 0; |
---|
| 906 | } |
---|
| 907 | } |
---|
| 908 | vars = array_alloc(Var_Variable_t*, 0); |
---|
| 909 | children = array_alloc(Hrc_Subckt_t*, 0); |
---|
| 910 | groupName = util_strcat3(argv[util_optind -1], "",""); |
---|
| 911 | break; |
---|
| 912 | case 'f': /* Read component names from file */ |
---|
| 913 | fileName = argv[util_optind - 1]; |
---|
| 914 | fp = Cmd_FileOpen(util_optarg, "r", &fileName, 1); |
---|
| 915 | if (fp == NIL(FILE)) { |
---|
| 916 | (void) fprintf(vis_stderr, |
---|
| 917 | "Could not open file %s\n", fileName); |
---|
| 918 | return 1; |
---|
| 919 | } |
---|
| 920 | nameArray = array_alloc(char*, 0); |
---|
| 921 | Rst_LoadNameArrayFromFile(nameArray, fp); |
---|
| 922 | fclose(fp); |
---|
| 923 | break; |
---|
| 924 | } |
---|
| 925 | /* WE ALWAYS DROP IN HERE ON EVERY FLAG */ |
---|
| 926 | default: |
---|
| 927 | if (! groupName && (c != 'h')) { |
---|
| 928 | (void) fprintf(vis_stderr, "ERROR: Group not defined yet\n"); |
---|
| 929 | goto usage; |
---|
| 930 | } |
---|
| 931 | if (! nameArray) nameArray = array_alloc(char*, 0); |
---|
| 932 | switch(c) { |
---|
| 933 | case 'n': |
---|
| 934 | case 'f': |
---|
| 935 | break; |
---|
| 936 | case 'c': readType = SUBCKT_GROUP; break; |
---|
| 937 | case 'v': readType = VAR_GROUP; break; |
---|
| 938 | case 'l': |
---|
| 939 | /* Put latch ouput vars into group*/ |
---|
| 940 | Hrc_NodeForEachLatch(curMaster, sgen, latchName, latch) { |
---|
| 941 | var = Hrc_LatchReadOutput(latch); |
---|
| 942 | array_insert_last(Var_Variable_t*, vars, var); |
---|
| 943 | } |
---|
| 944 | break; |
---|
| 945 | case 't': |
---|
| 946 | /* Put table ouput vars into group*/ |
---|
| 947 | Hrc_NodeForEachNameTable(curMaster, tblIndx, tbl) { |
---|
| 948 | Tbl_TableForEachOutputVar(tbl, i, var) { |
---|
| 949 | array_insert_last(Var_Variable_t*, vars, var); |
---|
| 950 | } |
---|
| 951 | } |
---|
| 952 | break; |
---|
| 953 | default: goto usage; |
---|
| 954 | } |
---|
| 955 | /* Grab any more names off the command line, appending if |
---|
| 956 | possible to nameArray */ |
---|
| 957 | |
---|
| 958 | Rst_GetNamesUntilNextOption(nameArray, argc, argv); |
---|
| 959 | |
---|
| 960 | /* We store names read as either variable names or child names */ |
---|
| 961 | |
---|
| 962 | switch(readType) { |
---|
| 963 | case VAR_GROUP: |
---|
| 964 | for (i=0; i < array_n(nameArray); i++) { |
---|
| 965 | varName = array_fetch(char*, nameArray, i); |
---|
| 966 | var = Hrc_NodeFindVariableByName(curMaster, varName); |
---|
| 967 | if (var) { |
---|
| 968 | array_insert_last(Var_Variable_t*, vars, var); |
---|
| 969 | } else { |
---|
| 970 | (void) fprintf(vis_stderr, "Could not find variable %s\n", |
---|
| 971 | varName); |
---|
| 972 | } |
---|
| 973 | } |
---|
| 974 | break; |
---|
| 975 | case SUBCKT_GROUP: |
---|
| 976 | for (i=0; i < array_n(nameArray); i++) { |
---|
| 977 | childName = array_fetch(char*, nameArray, i); |
---|
| 978 | retVal = st_lookup(Hrc_ModelReadSubcktTable(CurModel), |
---|
| 979 | childName, &child); |
---|
| 980 | if (retVal) { |
---|
| 981 | array_insert_last(Hrc_Subckt_t*, children, child); |
---|
| 982 | } else { |
---|
| 983 | (void) fprintf(vis_stderr, "Could not find instance %s\n", |
---|
| 984 | childName); |
---|
| 985 | } |
---|
| 986 | } |
---|
| 987 | break; |
---|
| 988 | default: /* Unreached */ |
---|
| 989 | break; |
---|
| 990 | } |
---|
| 991 | break; |
---|
| 992 | } |
---|
| 993 | for (i=0; i < array_n(nameArray); i++) { |
---|
| 994 | varName = array_fetch(char*, nameArray, i); |
---|
| 995 | FREE(varName); |
---|
| 996 | } |
---|
| 997 | array_free(nameArray); nameArray = 0; |
---|
| 998 | } |
---|
| 999 | if (groupName) { |
---|
| 1000 | group = RstGroupComponents(CurModel, groupName, vars, children); |
---|
| 1001 | if (group) |
---|
| 1002 | array_insert_last(Rst_Group_t*, groupArray, group); |
---|
| 1003 | else |
---|
| 1004 | (void) fprintf(vis_stderr, "Incomplete group %s\n", groupName); |
---|
| 1005 | array_free(vars); vars = 0; |
---|
| 1006 | array_free(children); children = 0; |
---|
| 1007 | FREE(groupName); |
---|
| 1008 | } |
---|
| 1009 | |
---|
| 1010 | if (array_n(groupArray) > 0) { |
---|
| 1011 | Rst_GroupRestructureNode(*Hmgr, curNode, groupArray); |
---|
| 1012 | for (i=0; i < array_n(groupArray); i++) { |
---|
| 1013 | group = array_fetch(Rst_Group_t*, groupArray, i); |
---|
| 1014 | RstGroupFree(group); |
---|
| 1015 | } |
---|
| 1016 | array_free(groupArray); groupArray = 0; |
---|
| 1017 | } else { |
---|
| 1018 | (void) fprintf(vis_stderr, "ERROR: no groups defined\n"); |
---|
| 1019 | array_free(groupArray); |
---|
| 1020 | return 1; |
---|
| 1021 | } |
---|
| 1022 | return 0; /* normal exit */ |
---|
| 1023 | |
---|
| 1024 | usage: |
---|
| 1025 | if (vars) array_free(vars); vars = 0; |
---|
| 1026 | if (children) array_free(children); children = 0; |
---|
| 1027 | FREE(groupName); groupName = 0; |
---|
| 1028 | array_free(nameArray); nameArray = 0; |
---|
| 1029 | array_free(groupArray); |
---|
| 1030 | (void) fprintf(vis_stderr, "usage: decompose_child -n <groupname>"); |
---|
| 1031 | (void) fprintf(vis_stderr, " [-f <filename>] [-c] [-v] [<names>] [-t] [-l] [-h] \n"); |
---|
| 1032 | (void) fprintf(vis_stderr, " -n\t\tName of new child group \n"); |
---|
| 1033 | (void) fprintf(vis_stderr, " -f\t\tLoad names from file \n"); |
---|
| 1034 | (void) fprintf(vis_stderr, " -c\t\tGroup by children toggle (default)\n"); |
---|
| 1035 | (void) fprintf(vis_stderr, " -v\t\tGroup by variable toggle \n"); |
---|
| 1036 | (void) fprintf(vis_stderr, " -l\t\tGroup latches\n"); |
---|
| 1037 | (void) fprintf(vis_stderr, " -t\t\tGroup combinational logic tables \n"); |
---|
| 1038 | (void) fprintf(vis_stderr, " -h\t\thelp \n"); |
---|
| 1039 | return 1; /* error exit */ |
---|
| 1040 | |
---|
| 1041 | } |
---|
| 1042 | |
---|
| 1043 | /*---------------------------------------------------------------------------*/ |
---|
| 1044 | /* Definition of internal functions */ |
---|
| 1045 | /*---------------------------------------------------------------------------*/ |
---|
| 1046 | |
---|
| 1047 | |
---|
| 1048 | /*---------------------------------------------------------------------------*/ |
---|
| 1049 | /* Definition of static functions */ |
---|
| 1050 | /*---------------------------------------------------------------------------*/ |
---|
| 1051 | |
---|
| 1052 | /**Function******************************************************************** |
---|
| 1053 | |
---|
| 1054 | Synopsis [Allocates a group.] |
---|
| 1055 | |
---|
| 1056 | Description [Initializes all tables for collecting components of a |
---|
| 1057 | group for node partitioning. The VarBackPtr table stores pointers |
---|
| 1058 | from newly allocated variables to their original variables in the |
---|
| 1059 | Node being partitioned.] |
---|
| 1060 | |
---|
| 1061 | SideEffects [Creates a new Rst_Group_t.] |
---|
| 1062 | |
---|
| 1063 | SeeAlso [RstGroupFree, RstGroupPrint] |
---|
| 1064 | |
---|
| 1065 | ******************************************************************************/ |
---|
| 1066 | Rst_Group_t* |
---|
| 1067 | RstGroupAlloc(char* Name) |
---|
| 1068 | { |
---|
| 1069 | Rst_Group_t* group = ALLOC(Rst_Group_t, 1); |
---|
| 1070 | |
---|
| 1071 | group->Vars = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 1072 | group->Latches = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 1073 | group->Tables = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 1074 | group->Subcircuits = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 1075 | group->Inputs = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 1076 | group->Outputs = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 1077 | group->VarBackPtr = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 1078 | group->name = ALLOC(char, strlen(Name) + 1); |
---|
| 1079 | strcpy(group->name, Name); |
---|
| 1080 | return group; |
---|
| 1081 | } |
---|
| 1082 | |
---|
| 1083 | /**Function******************************************************************** |
---|
| 1084 | |
---|
| 1085 | Synopsis [Frees a group.] |
---|
| 1086 | |
---|
| 1087 | Description [Frees all tables associated with a group. |
---|
| 1088 | Frees the name stored with the group.] |
---|
| 1089 | |
---|
| 1090 | SideEffects [] |
---|
| 1091 | |
---|
| 1092 | SeeAlso [RstGroupAlloc, RstGroupPrint] |
---|
| 1093 | |
---|
| 1094 | ******************************************************************************/ |
---|
| 1095 | void |
---|
| 1096 | RstGroupFree(Rst_Group_t* Group) |
---|
| 1097 | { |
---|
| 1098 | st_free_table(Group->Vars); |
---|
| 1099 | st_free_table(Group->Latches); |
---|
| 1100 | st_free_table(Group->Tables); |
---|
| 1101 | st_free_table(Group->Subcircuits); |
---|
| 1102 | st_free_table(Group->Inputs); |
---|
| 1103 | st_free_table(Group->Outputs); |
---|
| 1104 | st_free_table(Group->VarBackPtr); |
---|
| 1105 | FREE(Group->name); |
---|
| 1106 | FREE(Group); /* Watch for dangling references */ |
---|
| 1107 | } |
---|
| 1108 | |
---|
| 1109 | /**Function******************************************************************** |
---|
| 1110 | |
---|
| 1111 | Synopsis [Creates a new name for the node being partitioned.] |
---|
| 1112 | |
---|
| 1113 | Description [] |
---|
| 1114 | |
---|
| 1115 | SideEffects [] |
---|
| 1116 | |
---|
| 1117 | SeeAlso [] |
---|
| 1118 | |
---|
| 1119 | ******************************************************************************/ |
---|
| 1120 | char* |
---|
| 1121 | RstGroupNewParentName( |
---|
| 1122 | char* Name) |
---|
| 1123 | { |
---|
| 1124 | char* newName = util_strcat3(Name, "_N", ""); |
---|
| 1125 | return newName; |
---|
| 1126 | } |
---|
| 1127 | |
---|
| 1128 | /**Function******************************************************************** |
---|
| 1129 | |
---|
| 1130 | Synopsis [Prints the tables of a group for debug purposes.] |
---|
| 1131 | |
---|
| 1132 | Description [] |
---|
| 1133 | |
---|
| 1134 | SideEffects [] |
---|
| 1135 | |
---|
| 1136 | SeeAlso [] |
---|
| 1137 | |
---|
| 1138 | ******************************************************************************/ |
---|
| 1139 | void |
---|
| 1140 | RstGroupPrint( |
---|
| 1141 | Rst_Group_t* group) |
---|
| 1142 | { |
---|
| 1143 | st_generator* sgen; |
---|
| 1144 | Var_Variable_t* var; |
---|
| 1145 | Hrc_Subckt_t* subckt; |
---|
| 1146 | Hrc_Latch_t* latch; |
---|
| 1147 | |
---|
| 1148 | printf("GROUP: %s\n\tInputs:\t", group->name); |
---|
| 1149 | st_foreach_item(group->Inputs, sgen, &var, NIL(char *)) { |
---|
| 1150 | printf("%s ", Var_VariableReadName(var)); |
---|
| 1151 | } |
---|
| 1152 | printf("\n\tOutputs:\t"); |
---|
| 1153 | st_foreach_item(group->Outputs, sgen, &var, NIL(char *)) { |
---|
| 1154 | printf("%s ", Var_VariableReadName(var)); |
---|
| 1155 | } |
---|
| 1156 | printf("\n\tSubcircuits:\t"); |
---|
| 1157 | st_foreach_item(group->Subcircuits, sgen, &subckt, NIL(char *)) { |
---|
| 1158 | printf("%s ", Hrc_SubcktReadInstanceName(subckt)); |
---|
| 1159 | } |
---|
| 1160 | printf("\n\tLatches:\t"); |
---|
| 1161 | st_foreach_item(group->Latches, sgen, &latch, NIL(char *)) { |
---|
| 1162 | printf("%s ", Var_VariableReadName(Hrc_LatchReadOutput(latch))); |
---|
| 1163 | } |
---|
| 1164 | printf("\n\tVars:\t"); |
---|
| 1165 | st_foreach_item(group->Vars, sgen, &var, NIL(char *)) { |
---|
| 1166 | printf("%s ", Var_VariableReadName(var)); |
---|
| 1167 | } |
---|
| 1168 | printf("\n"); |
---|
| 1169 | } |
---|
| 1170 | |
---|
| 1171 | /**Function******************************************************************** |
---|
| 1172 | |
---|
| 1173 | Synopsis [Makes sure groups are disjoint.] |
---|
| 1174 | |
---|
| 1175 | Description [Checks that each Variable, Table, Latch, and Subcircuit |
---|
| 1176 | is assigned to one and only one group.] |
---|
| 1177 | |
---|
| 1178 | SideEffects [] |
---|
| 1179 | |
---|
| 1180 | SeeAlso [Rst_GroupBuildModel] |
---|
| 1181 | |
---|
| 1182 | ******************************************************************************/ |
---|
| 1183 | int |
---|
| 1184 | RstGroupDisjointCheck( |
---|
| 1185 | array_t* GroupArray) |
---|
| 1186 | { |
---|
| 1187 | int i, j, retVal; |
---|
| 1188 | st_generator *sgen; |
---|
| 1189 | Hrc_Subckt_t* subckt; |
---|
| 1190 | Rst_Group_t* group1, *group2; |
---|
| 1191 | Hrc_Latch_t* latch; |
---|
| 1192 | Tbl_Table_t* tbl; |
---|
| 1193 | Var_Variable_t* var; |
---|
| 1194 | |
---|
| 1195 | for (i = 0; i < array_n(GroupArray); i++) { |
---|
| 1196 | group1 = array_fetch(Rst_Group_t*, GroupArray, i); |
---|
| 1197 | for (j = i + 1; j < array_n(GroupArray); j++) { |
---|
| 1198 | group2 = array_fetch(Rst_Group_t*, GroupArray, j); |
---|
| 1199 | |
---|
| 1200 | st_foreach_item(group1->Subcircuits, sgen, &subckt, NULL) { |
---|
| 1201 | retVal = st_lookup(group2->Subcircuits, (char*) subckt, NIL(char *)); |
---|
| 1202 | if (retVal) { |
---|
| 1203 | (void) fprintf(vis_stderr, |
---|
| 1204 | "ERROR: component %s assigned to groups %s and %s\n", |
---|
| 1205 | Hrc_SubcktReadInstanceName(subckt), |
---|
| 1206 | group1->name, group2->name); |
---|
| 1207 | return 1; |
---|
| 1208 | } |
---|
| 1209 | } |
---|
| 1210 | st_foreach_item(group1->Vars, sgen, &var, NULL) { |
---|
| 1211 | retVal = st_lookup(group2->Vars, (char*) var, NIL(char *)); |
---|
| 1212 | if (retVal) { |
---|
| 1213 | (void) fprintf(vis_stderr, |
---|
| 1214 | "ERROR: var %s assigned to groups %s and %s\n", |
---|
| 1215 | Var_VariableReadName(var), |
---|
| 1216 | group1->name, group2->name); |
---|
| 1217 | return 1; |
---|
| 1218 | } |
---|
| 1219 | } |
---|
| 1220 | st_foreach_item(group1->Tables, sgen, &tbl, NULL) { |
---|
| 1221 | retVal = st_lookup(group2->Tables, (char*) tbl, NIL(char *)); |
---|
| 1222 | if (retVal) { |
---|
| 1223 | (void) fprintf(vis_stderr, |
---|
| 1224 | "ERROR: table assigned to groups %s and %s\n", |
---|
| 1225 | group1->name, group2->name); |
---|
| 1226 | return 1; |
---|
| 1227 | } |
---|
| 1228 | } |
---|
| 1229 | st_foreach_item(group1->Latches, sgen, &latch, NULL) { |
---|
| 1230 | retVal = st_lookup(group2->Latches, (char*) latch, NIL(char *)); |
---|
| 1231 | if (retVal) { |
---|
| 1232 | (void) fprintf(vis_stderr, |
---|
| 1233 | "ERROR: latch %s assigned to groups %s and %s\n", |
---|
| 1234 | Var_VariableReadName(Hrc_LatchReadOutput(latch)), |
---|
| 1235 | group1->name, group2->name); |
---|
| 1236 | return 1; |
---|
| 1237 | } |
---|
| 1238 | } |
---|
| 1239 | } |
---|
| 1240 | } |
---|
| 1241 | return 0; |
---|
| 1242 | } |
---|
| 1243 | |
---|
| 1244 | /**Function******************************************************************** |
---|
| 1245 | |
---|
| 1246 | Synopsis [Creates the Parent Group.] |
---|
| 1247 | |
---|
| 1248 | Description [Creates a special Group representing components of a |
---|
| 1249 | Node "left behind" by a partitioning of it's components into groups. |
---|
| 1250 | This takes special care because Vars have to remain in the parent if |
---|
| 1251 | they are on the interface of a Group or connect remaining components |
---|
| 1252 | of the Parent.] |
---|
| 1253 | |
---|
| 1254 | SideEffects [Allocates a new Rst_Group_t] |
---|
| 1255 | |
---|
| 1256 | SeeAlso [RstGroupComponents, RstGroupBuildModel, Rst_GroupRestructureNode] |
---|
| 1257 | |
---|
| 1258 | ******************************************************************************/ |
---|
| 1259 | Rst_Group_t* |
---|
| 1260 | RstCreateParentGroup( |
---|
| 1261 | Hrc_Manager_t* Hmgr, |
---|
| 1262 | Hrc_Model_t* ParentModel, |
---|
| 1263 | char* NewModelName, |
---|
| 1264 | array_t* GroupArray) |
---|
| 1265 | { |
---|
| 1266 | int i, j, tblIndx, varIndx; |
---|
| 1267 | long inGroup; |
---|
| 1268 | char *latchName, *subcktName, *varName; |
---|
| 1269 | st_generator* sgen; |
---|
| 1270 | Var_Variable_t* var; |
---|
| 1271 | Tbl_Table_t* tbl; |
---|
| 1272 | Hrc_Latch_t* latch; |
---|
| 1273 | Hrc_Subckt_t *subckt; |
---|
| 1274 | Hrc_Node_t *parentMaster; |
---|
| 1275 | Rst_Group_t *group, *parentGroup; |
---|
| 1276 | array_t* subOutputs; |
---|
| 1277 | |
---|
| 1278 | /* Build a parent group */ |
---|
| 1279 | |
---|
| 1280 | parentGroup = RstGroupAlloc(NewModelName); |
---|
| 1281 | parentMaster = Hrc_ModelReadMasterNode(ParentModel); |
---|
| 1282 | |
---|
| 1283 | /* IO of latches of parent group are parent group vars */ |
---|
| 1284 | |
---|
| 1285 | Hrc_NodeForEachLatch(parentMaster, sgen, latchName, latch) { |
---|
| 1286 | for (i = 0; i < array_n(GroupArray); i++) { |
---|
| 1287 | group = array_fetch(Rst_Group_t*, GroupArray, i); |
---|
| 1288 | if (st_lookup(group->Latches, (char*) latch, &inGroup)) { |
---|
| 1289 | break; |
---|
| 1290 | } |
---|
| 1291 | } |
---|
| 1292 | if (i >= array_n(GroupArray)) { |
---|
| 1293 | st_insert(parentGroup->Latches, (char*) latch, (char*) (long) 1); |
---|
| 1294 | var = Hrc_LatchReadInput(latch); |
---|
| 1295 | if (! st_lookup(parentGroup->Vars, (char*) var, &inGroup)) { |
---|
| 1296 | st_insert(parentGroup->Vars, (char*) var, (char*) (long) 1); |
---|
| 1297 | } |
---|
| 1298 | var = Hrc_LatchReadOutput(latch); |
---|
| 1299 | if (! st_lookup(parentGroup->Vars, (char*) var, &inGroup)) { |
---|
| 1300 | st_insert(parentGroup->Vars, (char*) var, (char*) (long) 1); |
---|
| 1301 | } |
---|
| 1302 | } |
---|
| 1303 | } |
---|
| 1304 | |
---|
| 1305 | /* IO of parent group tables (that stay in parent) are parent group vars */ |
---|
| 1306 | |
---|
| 1307 | Hrc_NodeForEachNameTable(parentMaster, tblIndx, tbl) { |
---|
| 1308 | for (i = 0; i < array_n(GroupArray); i++) { |
---|
| 1309 | group = array_fetch(Rst_Group_t*, GroupArray, i); |
---|
| 1310 | if (st_lookup(group->Tables, (char*) tbl, &inGroup)) { |
---|
| 1311 | break; |
---|
| 1312 | } |
---|
| 1313 | } |
---|
| 1314 | if (i >= array_n(GroupArray)) { |
---|
| 1315 | /* Table stays in parent */ |
---|
| 1316 | st_insert(parentGroup->Tables, (char*) tbl, (char*) (long) 1); |
---|
| 1317 | Tbl_TableForEachInputVar(tbl, varIndx, var) { |
---|
| 1318 | if (! st_lookup(parentGroup->Vars, (char*) var, &inGroup)) { |
---|
| 1319 | st_insert(parentGroup->Vars, (char*) var, (char*) (long) 1); |
---|
| 1320 | } |
---|
| 1321 | } |
---|
| 1322 | Tbl_TableForEachOutputVar(tbl, varIndx, var) { |
---|
| 1323 | if (! st_lookup(parentGroup->Vars, (char*) var, &inGroup)) { |
---|
| 1324 | st_insert(parentGroup->Vars, (char*) var, (char*) (long) 1); |
---|
| 1325 | } |
---|
| 1326 | } |
---|
| 1327 | } |
---|
| 1328 | } |
---|
| 1329 | |
---|
| 1330 | /* IO of groups are group Vars of the parent. Note that inputs are |
---|
| 1331 | never group vars of a group EXCEPT in the case of the parent group */ |
---|
| 1332 | |
---|
| 1333 | Hrc_NodeForEachVariable(parentMaster, sgen, varName, var) { |
---|
| 1334 | if (! st_lookup(parentGroup->Vars, (char*) var, &inGroup)) { |
---|
| 1335 | for (i = 0; i < array_n(GroupArray); i++) { |
---|
| 1336 | group = array_fetch(Rst_Group_t*, GroupArray, i); |
---|
| 1337 | if ((st_lookup(group->Inputs, (char*) var, &inGroup)) || |
---|
| 1338 | (st_lookup(group->Outputs, (char*) var, &inGroup))) { |
---|
| 1339 | break; |
---|
| 1340 | } |
---|
| 1341 | } |
---|
| 1342 | if (i < array_n(GroupArray)) { |
---|
| 1343 | st_insert(parentGroup->Vars, (char*) var, (char*) (long) 1); |
---|
| 1344 | } |
---|
| 1345 | } |
---|
| 1346 | } |
---|
| 1347 | |
---|
| 1348 | /* All formal IO of old parent remains part of the parent group */ |
---|
| 1349 | |
---|
| 1350 | Hrc_NodeForEachFormalInput(parentMaster, i, var) |
---|
| 1351 | st_insert(parentGroup->Inputs, (char*) var, (char*) (long) 1); |
---|
| 1352 | |
---|
| 1353 | Hrc_NodeForEachFormalOutput(parentMaster, i, var) |
---|
| 1354 | st_insert(parentGroup->Outputs, (char*) var, (char*) (long) 1); |
---|
| 1355 | |
---|
| 1356 | /* Outputs of subckts of parent group are parent group vars |
---|
| 1357 | We do this last to catch this possible dangling input scenario*/ |
---|
| 1358 | |
---|
| 1359 | Hrc_ModelForEachSubckt(ParentModel, sgen, subcktName, subckt) { |
---|
| 1360 | for (i = 0; i < array_n(GroupArray); i++) { |
---|
| 1361 | group = array_fetch(Rst_Group_t*, GroupArray, i); |
---|
| 1362 | if (st_lookup(group->Subcircuits, (char*) subckt, &inGroup)) { |
---|
| 1363 | break; |
---|
| 1364 | } |
---|
| 1365 | } |
---|
| 1366 | if (i >= array_n(GroupArray)) { |
---|
| 1367 | st_insert(parentGroup->Subcircuits, (char*) subckt, (char*) (long) 1); |
---|
| 1368 | subOutputs = Hrc_SubcktReadActualOutputVars(subckt); |
---|
| 1369 | Rst_VarForEachVarInArray(subOutputs, j, var) { |
---|
| 1370 | if (! st_lookup(parentGroup->Vars, (char*) var, &inGroup)) { |
---|
| 1371 | st_insert(parentGroup->Vars, (char*) var, (char*) (long) 1); |
---|
| 1372 | } |
---|
| 1373 | } |
---|
| 1374 | /* FIXME: Possible bug: inputs are caught because they are |
---|
| 1375 | outputs of other components. But a dangling input (ie, one |
---|
| 1376 | with no connection to anything) might get dropped. But adding |
---|
| 1377 | an input var might cause it's driving component to be |
---|
| 1378 | incorporated! We opt for a warning here. */ |
---|
| 1379 | /* FIXME: Hack-using same array */ |
---|
| 1380 | subOutputs = Hrc_SubcktReadActualInputVars(subckt); |
---|
| 1381 | Rst_VarForEachVarInArray(subOutputs, j, var) { |
---|
| 1382 | if ((! st_lookup(parentGroup->Vars, (char*) var, &inGroup)) && |
---|
| 1383 | (! st_lookup(parentGroup->Inputs, (char*) var, &inGroup))) { |
---|
| 1384 | (void) fprintf(vis_stderr, |
---|
| 1385 | "Warning: subcircuit %s has input variable %s ", |
---|
| 1386 | subcktName, Var_VariableReadName(var)); |
---|
| 1387 | (void) fprintf(vis_stderr, "that has no driver in parent %s\n", |
---|
| 1388 | parentGroup->name); |
---|
| 1389 | } |
---|
| 1390 | } |
---|
| 1391 | } |
---|
| 1392 | } |
---|
| 1393 | return parentGroup; |
---|
| 1394 | } |
---|
| 1395 | |
---|
| 1396 | /**Function******************************************************************** |
---|
| 1397 | |
---|
| 1398 | Synopsis [Debug routine for printing a Model.] |
---|
| 1399 | |
---|
| 1400 | Description [Prints the IO and Vars of a new Model] |
---|
| 1401 | |
---|
| 1402 | SideEffects [] |
---|
| 1403 | |
---|
| 1404 | SeeAlso [RstGroupBuildModel] |
---|
| 1405 | |
---|
| 1406 | ******************************************************************************/ |
---|
| 1407 | void |
---|
| 1408 | RstModelPrint( |
---|
| 1409 | Hrc_Model_t* newModel) |
---|
| 1410 | { |
---|
| 1411 | Hrc_Node_t* newMaster; |
---|
| 1412 | int i; |
---|
| 1413 | st_generator* sgen; |
---|
| 1414 | char* varName; |
---|
| 1415 | Var_Variable_t* var; |
---|
| 1416 | |
---|
| 1417 | /* Print out new model */ |
---|
| 1418 | printf("Model %s\n", Hrc_ModelReadName(newModel)); |
---|
| 1419 | newMaster = Hrc_ModelReadMasterNode(newModel); |
---|
| 1420 | printf("\tInputs :\t"); |
---|
| 1421 | Rst_VarForEachVarInArray(Hrc_NodeReadFormalInputs(newMaster), i, var) { |
---|
| 1422 | printf("%s ", Var_VariableReadName(var)); |
---|
| 1423 | } |
---|
| 1424 | printf("\n\tOutputs:\t"); |
---|
| 1425 | Rst_VarForEachVarInArray(Hrc_NodeReadFormalOutputs(newMaster), i, var) { |
---|
| 1426 | printf("%s ", Var_VariableReadName(var)); |
---|
| 1427 | } |
---|
| 1428 | printf("\n\tVars:\t"); |
---|
| 1429 | Hrc_NodeForEachVariable(Hrc_ModelReadMasterNode(newModel), |
---|
| 1430 | sgen, varName, var) { |
---|
| 1431 | printf("%s ", Var_VariableReadName(var)); |
---|
| 1432 | } |
---|
| 1433 | printf("\n"); |
---|
| 1434 | } |
---|
| 1435 | |
---|
| 1436 | /**Function******************************************************************** |
---|
| 1437 | |
---|
| 1438 | Synopsis [Builds a Model from a Group.] |
---|
| 1439 | |
---|
| 1440 | Description [Uses the tables of a group to replicate the portion of |
---|
| 1441 | a Node' structure contained by a Groups. Duplicates Variables, |
---|
| 1442 | Tables, Latches, and Subcircuit Instances to create a Model reflecting |
---|
| 1443 | the structure of the Group.] |
---|
| 1444 | |
---|
| 1445 | SideEffects [Allocates a new Hrc_Model_t.] |
---|
| 1446 | |
---|
| 1447 | SeeAlso [RstGroupComponents, Rst_GroupRestructureNode, |
---|
| 1448 | Rst_CommandGroupComponents] |
---|
| 1449 | |
---|
| 1450 | ******************************************************************************/ |
---|
| 1451 | Hrc_Model_t* |
---|
| 1452 | RstGroupBuildModel( |
---|
| 1453 | Hrc_Manager_t* Hmgr, |
---|
| 1454 | Rst_Group_t* Group) |
---|
| 1455 | { |
---|
| 1456 | long inGroup; |
---|
| 1457 | int retVal, i; |
---|
| 1458 | st_generator* sgen; |
---|
| 1459 | Var_Variable_t* var, *newVar, *newLatchInput, *newLatchOutput; |
---|
| 1460 | Tbl_Table_t* tbl, *newTbl; |
---|
| 1461 | Hrc_Latch_t* latch, *newLatch; |
---|
| 1462 | st_table* varForwPtr; |
---|
| 1463 | Hrc_Node_t* newMaster; |
---|
| 1464 | Hrc_Subckt_t *subckt; |
---|
| 1465 | Hrc_Model_t* subcktModel; |
---|
| 1466 | Hrc_Model_t* newModel = Hrc_ModelAlloc(Hmgr, Group->name); |
---|
| 1467 | array_t* actualInputArray, *actualOutputArray; |
---|
| 1468 | |
---|
| 1469 | if (! newModel) { |
---|
| 1470 | (void) fprintf(vis_stderr, "ERROR: could not create Model %s\n", |
---|
| 1471 | Group->name); |
---|
| 1472 | return 0; |
---|
| 1473 | } |
---|
| 1474 | |
---|
| 1475 | newMaster = Hrc_ModelReadMasterNode(newModel); |
---|
| 1476 | assert(newMaster); |
---|
| 1477 | |
---|
| 1478 | varForwPtr = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 1479 | /* Add group's Variables: Inputs, Outputs */ |
---|
| 1480 | st_foreach_item(Group->Inputs, sgen, &var, &inGroup) { |
---|
| 1481 | if (! st_lookup(varForwPtr, (char*) var, &newVar)) { |
---|
| 1482 | newVar = Var_VariableDup(var, newMaster); |
---|
| 1483 | Var_VariableResetAllTypes(newVar); |
---|
| 1484 | Var_VariableResetNumFanoutTables(newVar); |
---|
| 1485 | Hrc_NodeAddFormalInput(newMaster, newVar); |
---|
| 1486 | Var_VariableSetPI(newVar); |
---|
| 1487 | st_insert(Group->VarBackPtr, (char*) newVar, (char*) var); |
---|
| 1488 | st_insert(varForwPtr, (char*) var, (char*) newVar); |
---|
| 1489 | } |
---|
| 1490 | } |
---|
| 1491 | st_foreach_item(Group->Outputs, sgen, &var, &inGroup) { |
---|
| 1492 | if (! st_lookup(varForwPtr, (char*) var, &newVar)) { |
---|
| 1493 | newVar = Var_VariableDup(var, newMaster); |
---|
| 1494 | Var_VariableResetAllTypes(newVar); |
---|
| 1495 | Var_VariableResetNumFanoutTables(newVar); |
---|
| 1496 | Hrc_NodeAddFormalOutput(newMaster, newVar); |
---|
| 1497 | Var_VariableSetPO(newVar); |
---|
| 1498 | st_insert(Group->VarBackPtr, (char*) newVar, (char*) var); |
---|
| 1499 | st_insert(varForwPtr, (char*) var, (char*) newVar); |
---|
| 1500 | } |
---|
| 1501 | } |
---|
| 1502 | st_foreach_item(Group->Vars, sgen, &var, &inGroup) { |
---|
| 1503 | if (! st_lookup(varForwPtr, (char*) var, &newVar)) { |
---|
| 1504 | newVar = Var_VariableDup(var, newMaster); |
---|
| 1505 | Var_VariableResetAllTypes(newVar); |
---|
| 1506 | Var_VariableResetNumFanoutTables(newVar); |
---|
| 1507 | st_insert(Group->VarBackPtr, (char*) newVar, (char*) var); |
---|
| 1508 | st_insert(varForwPtr, (char*) var, (char*) newVar); |
---|
| 1509 | } |
---|
| 1510 | } |
---|
| 1511 | |
---|
| 1512 | /* Add group's Tables */ |
---|
| 1513 | st_foreach_item(Group->Tables, sgen, &tbl, &inGroup) { |
---|
| 1514 | Hrc_NodeAddNameTable(newMaster, Tbl_TableDupAndSubstVars(tbl, varForwPtr)); |
---|
| 1515 | } |
---|
| 1516 | |
---|
| 1517 | /* Add group's Latches */ |
---|
| 1518 | st_foreach_item(Group->Latches, sgen, &latch, &inGroup) { |
---|
| 1519 | retVal = st_lookup(varForwPtr, (char*) Hrc_LatchReadInput(latch), |
---|
| 1520 | &newLatchInput); |
---|
| 1521 | assert(retVal); |
---|
| 1522 | retVal = st_lookup(varForwPtr, (char*) Hrc_LatchReadOutput(latch), |
---|
| 1523 | &newLatchOutput); |
---|
| 1524 | assert(retVal); |
---|
| 1525 | |
---|
| 1526 | newLatch = Hrc_LatchCreate(newModel, newLatchInput, newLatchOutput); |
---|
| 1527 | assert(newLatch != NULL); |
---|
| 1528 | Var_VariableSetNS(newLatchInput); |
---|
| 1529 | Var_VariableSetPS(newLatchOutput); |
---|
| 1530 | |
---|
| 1531 | /* Duplicate and attach Reset Table */ |
---|
| 1532 | tbl = Hrc_LatchReadResetTable(latch); |
---|
| 1533 | newTbl = Tbl_TableDupAndSubstVars(tbl, varForwPtr); |
---|
| 1534 | /* HACK: For some reason, we don't count latches in fanout count */ |
---|
| 1535 | retVal = Hrc_LatchSetResetTable(newLatch, newTbl); |
---|
| 1536 | /* newTbl = Hrc_LatchReadResetTable(latch); */ |
---|
| 1537 | assert(retVal); |
---|
| 1538 | Tbl_TableForEachInputVar(tbl, i, var) { |
---|
| 1539 | retVal = st_lookup(varForwPtr, (char*) var, &newVar); |
---|
| 1540 | assert(retVal); |
---|
| 1541 | Var_VariableResetAllTypes(newVar); |
---|
| 1542 | Var_VariableResetNumFanoutTables(newVar); |
---|
| 1543 | } |
---|
| 1544 | Hrc_NodeAddLatch(newMaster, newLatch); |
---|
| 1545 | } |
---|
| 1546 | |
---|
| 1547 | /* Add group's Subckts */ |
---|
| 1548 | |
---|
| 1549 | st_foreach_item(Group->Subcircuits, sgen, &subckt, &inGroup) { |
---|
| 1550 | actualInputArray = |
---|
| 1551 | Rst_VartoVarLookup(Hrc_SubcktReadActualInputVars(subckt), |
---|
| 1552 | varForwPtr, 0); |
---|
| 1553 | actualOutputArray = |
---|
| 1554 | Rst_VartoVarLookup(Hrc_SubcktReadActualOutputVars(subckt), |
---|
| 1555 | varForwPtr, 0); |
---|
| 1556 | subcktModel = Hrc_SubcktReadModel(subckt); |
---|
| 1557 | Hrc_ModelAddSubckt(newModel, subcktModel, |
---|
| 1558 | Hrc_SubcktReadInstanceName(subckt), |
---|
| 1559 | actualInputArray, actualOutputArray); |
---|
| 1560 | Rst_VarForEachVarInArray(actualInputArray, i, var) { |
---|
| 1561 | Var_VariableSetSI(var); |
---|
| 1562 | } |
---|
| 1563 | Rst_VarForEachVarInArray(actualOutputArray, i, var) { |
---|
| 1564 | Var_VariableSetSO(var); |
---|
| 1565 | } |
---|
| 1566 | } |
---|
| 1567 | |
---|
| 1568 | st_free_table(varForwPtr); |
---|
| 1569 | |
---|
| 1570 | #ifdef RST_GROUP_DEBUG |
---|
| 1571 | RstModelPrint(newModel); |
---|
| 1572 | #endif |
---|
| 1573 | return newModel; |
---|
| 1574 | } |
---|
| 1575 | |
---|
| 1576 | /* Overrides for Emacs so that we follow VIS tabbing style. |
---|
| 1577 | * Must remain at end of file. |
---|
| 1578 | * --------------------------------------------------------------------------- |
---|
| 1579 | * Local variables: |
---|
| 1580 | * c-basic-offset: 2 |
---|
| 1581 | * c-indent-level: 2 |
---|
| 1582 | * c-brace-imaginary-offset: 0 |
---|
| 1583 | * c-brace-offset: -2 |
---|
| 1584 | * c-argdecl-indent: 2 |
---|
| 1585 | * c-comment-only-line-offset: 0 |
---|
| 1586 | * c-label-offset: -4 |
---|
| 1587 | * c-continued-statement-offset: 2 |
---|
| 1588 | * c-continued-brace-offset: 0 |
---|
| 1589 | * End: */ |
---|