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); |
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467 | } |
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468 | } |
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469 | } |
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470 | } |
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471 | |
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472 | return group; |
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473 | } |
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474 | |
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475 | /**Function******************************************************************** |
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476 | |
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477 | Synopsis [Takes a Group partitioning of a Node and builds a new |
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478 | Model reflecting that partition.] |
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479 | |
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480 | Description [Called by the main routine Rst_CommandGroupComponents, |
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481 | this routine builds the models corresponding to each group in |
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482 | GroupArray, builds a new Node instantiating these models as |
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483 | subckts. Note that one can build a Group using RstGroupComponents] |
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484 | |
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485 | SideEffects [Allocates a new Hrc_Model_t.] |
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486 | |
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487 | SeeAlso [RstGroupComponents, RstGroupBuildModel, RstCreateParentGroup, |
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488 | Rst_CommandGroupComponents, Rst_GroupRestructureNode] |
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489 | |
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490 | ******************************************************************************/ |
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491 | Hrc_Model_t* |
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492 | Rst_GroupRestructureModel( |
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493 | Hrc_Manager_t* Hmgr, |
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494 | Hrc_Model_t* ParentModel, |
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495 | array_t* GroupArray) |
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496 | { |
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497 | int i, j; |
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498 | char *newModelName; |
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499 | st_generator *sgen; |
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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, |
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1448 | Rst_CommandGroupComponents] |
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1449 | |
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1450 | ******************************************************************************/ |
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1451 | Hrc_Model_t* |
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1452 | RstGroupBuildModel( |
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1453 | Hrc_Manager_t* Hmgr, |
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1454 | Rst_Group_t* Group) |
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1455 | { |
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1456 | long inGroup; |
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1457 | int retVal, i; |
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1458 | st_generator* sgen; |
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1459 | Var_Variable_t* var, *newVar, *newLatchInput, *newLatchOutput; |
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1460 | Tbl_Table_t* tbl, *newTbl; |
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1461 | Hrc_Latch_t* latch, *newLatch; |
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1462 | st_table* varForwPtr; |
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1463 | Hrc_Node_t* newMaster; |
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1464 | Hrc_Subckt_t *subckt; |
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1465 | Hrc_Model_t* subcktModel; |
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1466 | Hrc_Model_t* newModel = Hrc_ModelAlloc(Hmgr, Group->name); |
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1467 | array_t* actualInputArray, *actualOutputArray; |
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1468 | |
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1469 | if (! newModel) { |
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1470 | (void) fprintf(vis_stderr, "ERROR: could not create Model %s\n", |
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1471 | Group->name); |
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1472 | return 0; |
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1473 | } |
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1474 | |
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1475 | newMaster = Hrc_ModelReadMasterNode(newModel); |
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1476 | assert(newMaster); |
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1477 | |
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1478 | varForwPtr = st_init_table(st_ptrcmp, st_ptrhash); |
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1479 | /* Add group's Variables: Inputs, Outputs */ |
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1480 | st_foreach_item(Group->Inputs, sgen, &var, &inGroup) { |
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1481 | if (! st_lookup(varForwPtr, (char*) var, &newVar)) { |
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1482 | newVar = Var_VariableDup(var, newMaster); |
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1483 | Var_VariableResetAllTypes(newVar); |
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1484 | Var_VariableResetNumFanoutTables(newVar); |
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1485 | Hrc_NodeAddFormalInput(newMaster, newVar); |
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1486 | Var_VariableSetPI(newVar); |
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1487 | st_insert(Group->VarBackPtr, (char*) newVar, (char*) var); |
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1488 | st_insert(varForwPtr, (char*) var, (char*) newVar); |
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1489 | } |
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1490 | } |
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1491 | st_foreach_item(Group->Outputs, sgen, &var, &inGroup) { |
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1492 | if (! st_lookup(varForwPtr, (char*) var, &newVar)) { |
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1493 | newVar = Var_VariableDup(var, newMaster); |
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1494 | Var_VariableResetAllTypes(newVar); |
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1495 | Var_VariableResetNumFanoutTables(newVar); |
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1496 | Hrc_NodeAddFormalOutput(newMaster, newVar); |
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1497 | Var_VariableSetPO(newVar); |
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1498 | st_insert(Group->VarBackPtr, (char*) newVar, (char*) var); |
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1499 | st_insert(varForwPtr, (char*) var, (char*) newVar); |
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1500 | } |
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1501 | } |
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1502 | st_foreach_item(Group->Vars, sgen, &var, &inGroup) { |
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1503 | if (! st_lookup(varForwPtr, (char*) var, &newVar)) { |
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1504 | newVar = Var_VariableDup(var, newMaster); |
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1505 | Var_VariableResetAllTypes(newVar); |
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1506 | Var_VariableResetNumFanoutTables(newVar); |
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1507 | st_insert(Group->VarBackPtr, (char*) newVar, (char*) var); |
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1508 | st_insert(varForwPtr, (char*) var, (char*) newVar); |
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1509 | } |
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1510 | } |
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1511 | |
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1512 | /* Add group's Tables */ |
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1513 | st_foreach_item(Group->Tables, sgen, &tbl, &inGroup) { |
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1514 | Hrc_NodeAddNameTable(newMaster, Tbl_TableDupAndSubstVars(tbl, varForwPtr)); |
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1515 | } |
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1516 | |
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1517 | /* Add group's Latches */ |
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1518 | st_foreach_item(Group->Latches, sgen, &latch, &inGroup) { |
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1519 | retVal = st_lookup(varForwPtr, (char*) Hrc_LatchReadInput(latch), |
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1520 | &newLatchInput); |
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1521 | assert(retVal); |
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1522 | retVal = st_lookup(varForwPtr, (char*) Hrc_LatchReadOutput(latch), |
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1523 | &newLatchOutput); |
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1524 | assert(retVal); |
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1525 | |
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1526 | newLatch = Hrc_LatchCreate(newModel, newLatchInput, newLatchOutput); |
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1527 | assert(newLatch != NULL); |
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1528 | Var_VariableSetNS(newLatchInput); |
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1529 | Var_VariableSetPS(newLatchOutput); |
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1530 | |
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1531 | /* Duplicate and attach Reset Table */ |
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1532 | tbl = Hrc_LatchReadResetTable(latch); |
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1533 | newTbl = Tbl_TableDupAndSubstVars(tbl, varForwPtr); |
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1534 | /* HACK: For some reason, we don't count latches in fanout count */ |
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1535 | retVal = Hrc_LatchSetResetTable(newLatch, newTbl); |
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1536 | /* newTbl = Hrc_LatchReadResetTable(latch); */ |
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1537 | assert(retVal); |
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1538 | Tbl_TableForEachInputVar(tbl, i, var) { |
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1539 | retVal = st_lookup(varForwPtr, (char*) var, &newVar); |
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1540 | assert(retVal); |
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1541 | Var_VariableResetAllTypes(newVar); |
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1542 | Var_VariableResetNumFanoutTables(newVar); |
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1543 | } |
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1544 | Hrc_NodeAddLatch(newMaster, newLatch); |
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1545 | } |
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1546 | |
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1547 | /* Add group's Subckts */ |
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1548 | |
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1549 | st_foreach_item(Group->Subcircuits, sgen, &subckt, &inGroup) { |
---|
1550 | actualInputArray = |
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1551 | Rst_VartoVarLookup(Hrc_SubcktReadActualInputVars(subckt), |
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1552 | varForwPtr, 0); |
---|
1553 | actualOutputArray = |
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1554 | Rst_VartoVarLookup(Hrc_SubcktReadActualOutputVars(subckt), |
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1555 | varForwPtr, 0); |
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1556 | subcktModel = Hrc_SubcktReadModel(subckt); |
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1557 | Hrc_ModelAddSubckt(newModel, subcktModel, |
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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 |
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1571 | RstModelPrint(newModel); |
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1572 | #endif |
---|
1573 | return newModel; |
---|
1574 | } |
---|
1575 | |
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1576 | /* Overrides for Emacs so that we follow VIS tabbing style. |
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1577 | * Must remain at end of file. |
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1578 | * --------------------------------------------------------------------------- |
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1579 | * Local variables: |
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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: */ |
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