1 | /**CFile*********************************************************************** |
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2 | |
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3 | FileName [ltlCompose.c] |
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4 | |
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5 | PackageName [ltl] |
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6 | |
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7 | Synopsis [Write the Buechi automaton into a file.] |
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8 | |
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9 | Author [Chao Wang<chao.wang@colorado.EDU>] |
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10 | |
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11 | Copyright [This file was created at the University of Colorado at Boulder. |
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12 | The University of Colorado at Boulder makes no warranty about the suitability |
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13 | of this software for any purpose. It is presented on an AS IS basis.] |
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14 | |
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15 | ******************************************************************************/ |
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16 | |
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17 | #include "ltlInt.h" |
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18 | |
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19 | static char rcsid[] UNUSED = "$Id: ltlCompose.c,v 1.30 2005/04/28 08:51:19 bli Exp $"; |
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20 | |
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21 | /*---------------------------------------------------------------------------*/ |
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22 | /* Constant declarations */ |
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23 | /*---------------------------------------------------------------------------*/ |
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24 | |
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25 | /*---------------------------------------------------------------------------*/ |
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26 | /* Structure declarations */ |
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27 | /*---------------------------------------------------------------------------*/ |
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28 | |
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29 | /*---------------------------------------------------------------------------*/ |
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30 | /* Type declarations */ |
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31 | /*---------------------------------------------------------------------------*/ |
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32 | |
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33 | /*---------------------------------------------------------------------------*/ |
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34 | /* Variable declarations */ |
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35 | /*---------------------------------------------------------------------------*/ |
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36 | |
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37 | /*---------------------------------------------------------------------------*/ |
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38 | /* Macro declarations */ |
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39 | /*---------------------------------------------------------------------------*/ |
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40 | |
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41 | /**AutomaticStart*************************************************************/ |
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42 | |
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43 | /*---------------------------------------------------------------------------*/ |
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44 | /* Static function prototypes */ |
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45 | /*---------------------------------------------------------------------------*/ |
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46 | |
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47 | static void AutomatonGetInputNames(Ltl_Automaton_t *A, array_t *InputNames, array_t *Name2LabelIdx); |
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48 | static int AutomatonCountSelector(Ltl_Automaton_t *A); |
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49 | static int AutomatonComputeInitState(Ltl_Automaton_t *A); |
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50 | /*static lsList AutomatonLabelGetCubes(Ltl_Automaton_t *A, LtlSet_t *compositeLabel, Ntk_Network_t *network);*/ |
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51 | static lsList GetCubes_Aux(Ltl_Automaton_t *A, int index); |
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52 | static char * StringNormalize(char *inputString); |
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53 | static void AutomatonVtxLabelToBlifMv(FILE *fp, Ltl_Automaton_t *A, vertex_t *vtx); |
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54 | static void VtxLabelToBlifMv_Aux(FILE *fp, Ltl_Automaton_t *A, int node_idx, int index, st_table *CreatedSignals); |
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55 | |
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56 | /**AutomaticEnd***************************************************************/ |
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57 | |
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58 | /*---------------------------------------------------------------------------*/ |
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59 | /* Definition of exported functions */ |
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60 | /*---------------------------------------------------------------------------*/ |
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61 | |
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62 | /**Function******************************************************************** |
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63 | |
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64 | Synopsis [Translate the Automaton into Dot format.] |
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65 | |
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66 | Description [] |
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67 | |
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68 | SideEffects [] |
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69 | |
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70 | SeeAlso [] |
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71 | |
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72 | ******************************************************************************/ |
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73 | void |
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74 | Ltl_AutomatonToDot( |
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75 | FILE *fp, |
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76 | Ltl_Automaton_t *aut, |
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77 | int level) |
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78 | { |
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79 | edge_t *edge; |
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80 | vertex_t *vtx1, *vtx2; |
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81 | Ltl_AutomatonNode_t *node, *node2; |
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82 | lsGen lsgen, lsgen2; |
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83 | st_table *FairSet; |
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84 | st_generator *stgen; |
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85 | Ctlsp_Formula_t *F; |
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86 | char *tmpString; |
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87 | int fairindex, first, i, n; |
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88 | |
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89 | /*------------------------------------------------- |
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90 | * digraph "G(F(p=1))" { |
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91 | * node [shape=ellipse]; |
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92 | * size = "7.5,10" |
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93 | * center = true; |
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94 | * "title" [label="G(F(p=1))", shape=plaintext]; |
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95 | *------------------------------------------------- |
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96 | */ |
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97 | if (aut->name) |
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98 | tmpString = aut->name; |
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99 | else |
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100 | tmpString = ""; |
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101 | |
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102 | fprintf(fp, "\ndigraph \"%s\" {\nnode [shape=ellipse];\nsize = \"7.5,10\"\ncenter = true;\n\"title\" [label=\"%s\",shape=plaintext];", tmpString, tmpString); |
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103 | |
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104 | /*------------------------------------------------- |
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105 | * "n1" [label="n1\n{p=1}\n(1)"]; |
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106 | *------------------------------------------------- |
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107 | */ |
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108 | foreach_vertex( aut->G, lsgen, vtx1) { |
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109 | node = (Ltl_AutomatonNode_t *)vtx1->user_data; |
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110 | fprintf(fp,"\n\"n%d\" [label=\"n%d\\n{", node->index, node->index); |
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111 | if (node->Labels) { |
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112 | first = 1; n = array_n(aut->labelTable); |
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113 | for (i=0; i<n; i++) { |
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114 | if (LtlSetGetElt(node->Labels, i)) { |
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115 | if (!first) fprintf(fp, ","); |
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116 | else first = 0; |
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117 | F = array_fetch(Ctlsp_Formula_t *, aut->labelTable, i); |
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118 | Ctlsp_FormulaPrint(fp, F); |
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119 | } |
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120 | } |
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121 | } |
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122 | fprintf(fp, "}\\n("); |
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123 | fairindex = 1; |
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124 | lsForEachItem(aut->Fair, lsgen2, FairSet) { |
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125 | if (st_is_member(FairSet, vtx1)) |
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126 | fprintf(fp, " %d ", fairindex); |
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127 | fairindex++; |
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128 | } |
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129 | fprintf(fp, ")\"];"); |
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130 | } |
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131 | |
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132 | /*------------------------------------------------- |
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133 | * "init-n2" [style=invis] |
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134 | * "init-n2" -> "n2"; |
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135 | *------------------------------------------------- |
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136 | */ |
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137 | st_foreach_item(aut->Init, stgen, &vtx1, NIL(char *)) { |
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138 | node = (Ltl_AutomatonNode_t *) vtx1->user_data; |
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139 | fprintf(fp, "\n\"init-n%d\" [style=invis]", node->index); |
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140 | fprintf(fp, "\n\"init-n%d\" -> \"n%d\";", node->index, node->index); |
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141 | } |
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142 | |
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143 | |
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144 | /*------------------------------------------------- |
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145 | * "n1" -> "n1"; |
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146 | *------------------------------------------------- |
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147 | */ |
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148 | foreach_edge(aut->G, lsgen, edge) { |
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149 | vtx1 = g_e_source(edge); |
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150 | vtx2 = g_e_dest(edge); |
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151 | node = (Ltl_AutomatonNode_t *) vtx1->user_data; |
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152 | node2 = (Ltl_AutomatonNode_t *) vtx2->user_data; |
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153 | fprintf(fp, "\n\"n%d\" -> \"n%d\";", node->index, node2->index); |
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154 | } |
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155 | fprintf(fp, "\n}\n"); |
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156 | } |
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157 | |
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158 | |
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159 | /**Function******************************************************************** |
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160 | |
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161 | Synopsis [Translate the automaton to a BlifMv file.] |
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162 | |
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163 | Description [The Hrc_Manager may or may not be provided. If not, the blifmv |
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164 | file generated is not complete (all the inputs are assummed to be boolean). |
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165 | |
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166 | Notice that the labels on each state are propositional subformulae, not |
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167 | necessarily atomic propositions.] |
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168 | |
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169 | SideEffects [] |
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170 | |
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171 | SeeAlso [] |
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172 | |
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173 | ******************************************************************************/ |
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174 | int |
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175 | Ltl_AutomatonToBlifMv( |
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176 | FILE *fp, |
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177 | Ntk_Network_t *network, |
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178 | Ltl_Automaton_t *A) |
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179 | { |
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180 | Var_Variable_t *inputVar; |
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181 | array_t *InputNames = array_alloc(char *, 0); |
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182 | array_t *Name2LabelIdx = array_alloc(st_table *, 0); |
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183 | Ntk_Node_t *ntknode; |
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184 | char *inputName; |
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185 | st_generator *stgen; |
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186 | lsGen lsgen, lsgen2; |
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187 | int i, j, is_enum, range; |
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188 | int sel_num, sel_cnt; |
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189 | edge_t *edge; |
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190 | vertex_t *vtx, *vtx2; |
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191 | st_table *FairSet, *tmptbl; |
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192 | int InitIdx = AutomatonComputeInitState(A); |
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193 | char InitStr[10]; |
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194 | int result = 1; |
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195 | array_t *labelArray; |
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196 | |
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197 | /* The initState of the automaton */ |
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198 | if (InitIdx == -1) |
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199 | sprintf(InitStr, "Init"); |
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200 | else |
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201 | sprintf(InitStr, "n%d", InitIdx); |
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202 | |
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203 | if (network == NIL(Ntk_Network_t)) { |
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204 | result = 0; |
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205 | fprintf(vis_stderr, "Warning: the BlifMv output is incomplete. (The current node is empty. Read in design.)\n"); |
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206 | } |
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207 | |
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208 | /* Retrieve all the input names on the labels; For each input, create a |
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209 | * hash table and add all the label subformulae contains that input; |
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210 | * Finally, calculate the size of the "selector" |
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211 | */ |
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212 | AutomatonGetInputNames(A, InputNames, Name2LabelIdx); |
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213 | sel_num = AutomatonCountSelector(A); |
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214 | fprintf(fp, "\n# Buechi automaton: %s\n\n", A->name); |
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215 | |
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216 | /*------------------------------------------------------- |
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217 | * .model Buechi$AUT |
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218 | * .root Buechi$AUT |
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219 | *------------------------------------------------------- |
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220 | */ |
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221 | fprintf(fp, ".model Buechi$AUT\n.root Buechi$AUT"); |
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222 | |
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223 | /*------------------------------------------------------- |
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224 | * .inputs in1 in2 in3 ... inN |
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225 | *------------------------------------------------------- |
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226 | */ |
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227 | fprintf(fp, "\n.inputs "); |
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228 | for (i=0; i<array_n(InputNames); i++) { |
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229 | inputName = array_fetch(char *, InputNames, i); |
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230 | fprintf(fp, "%s ", inputName); |
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231 | } |
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232 | |
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233 | /*------------------------------------------------------- |
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234 | * .outputs fair1 fair2 fair3... fairN |
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235 | *------------------------------------------------------- |
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236 | */ |
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237 | fprintf(fp, "\n.outputs "); |
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238 | if ( lsLength(A->Fair) != 0) { |
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239 | for (i=0; i<lsLength(A->Fair); i++) { |
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240 | fprintf(fp, "fair%d$AUT ", i+1); |
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241 | } |
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242 | }else |
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243 | fprintf(fp, "fair1$AUT"); |
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244 | |
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245 | /*------------------------------------------------------- |
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246 | * .mv in1 3 RED GREEN YELLOW |
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247 | *------------------------------------------------------- |
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248 | */ |
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249 | if (network != NIL(Ntk_Network_t)) { |
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250 | for (i=0; i<array_n(InputNames); i++) { |
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251 | inputName = array_fetch(char *, InputNames, i); |
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252 | ntknode = Ntk_NetworkFindNodeByName(network, inputName); |
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253 | assert(ntknode != NIL(Ntk_Node_t)); |
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254 | inputVar = Ntk_NodeReadVariable(ntknode); |
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255 | is_enum = Var_VariableTestIsEnumerative(inputVar); |
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256 | range = Var_VariableReadNumValues(inputVar); |
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257 | if (is_enum) { |
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258 | if (range != 2) |
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259 | fprintf(fp, "\n.mv %s %d\n", inputName, range); |
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260 | }else { |
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261 | fprintf(fp, "\n.mv %s %d ", inputName, range); |
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262 | for (j=0; j<range; j++) { |
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263 | fprintf(fp, "%s ", |
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264 | Var_VariableReadSymbolicValueFromIndex(inputVar,j)); |
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265 | } |
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266 | } |
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267 | } |
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268 | } |
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269 | |
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270 | /*------------------------------------------------------- |
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271 | * .mv stateD$AUT N Init n1 n2 n3 ... nN |
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272 | * .mv state$AUT N Init n1 n2 n3 ... nN |
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273 | *------------------------------------------------------- |
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274 | */ |
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275 | if (InitIdx == -1) |
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276 | fprintf(fp, "\n.mv stateD$AUT %d Init Trap ", |
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277 | lsLength(g_get_vertices(A->G)) + 2); |
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278 | else |
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279 | fprintf(fp, "\n.mv stateD$AUT %d Trap ", |
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280 | lsLength(g_get_vertices(A->G)) + 1); |
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281 | foreach_vertex(A->G, lsgen, vtx) { |
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282 | fprintf(fp, "n%d ", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
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283 | } |
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284 | if (InitIdx == -1) |
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285 | fprintf(fp, "\n.mv state$AUT %d Init Trap ", |
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286 | lsLength(g_get_vertices(A->G)) + 2); |
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287 | else |
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288 | fprintf(fp, "\n.mv state$AUT %d Trap ", |
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289 | lsLength(g_get_vertices(A->G)) + 1); |
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290 | foreach_vertex(A->G, lsgen, vtx) { |
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291 | fprintf(fp, "n%d ", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
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292 | } |
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293 | |
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294 | /*------------------------------------------------------- |
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295 | * .mv selector n |
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296 | * .table selector |
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297 | * - |
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298 | *------------------------------------------------------- |
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299 | */ |
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300 | if (sel_num > 1) |
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301 | fprintf(fp, "\n.mv selector$AUT %d\n.table selector$AUT\n-", sel_num); |
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302 | |
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303 | /*------------------------------------------------------- |
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304 | * for each state label, create a signal n1_##_label$AUT (recursively) |
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305 | *------------------------------------------------------- |
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306 | */ |
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307 | labelArray = array_alloc(vertex_t *, 0); |
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308 | foreach_vertex(A->G, lsgen, vtx) { |
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309 | AutomatonVtxLabelToBlifMv(fp, A, vtx); |
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310 | array_insert_last(vertex_t *, labelArray, vtx); |
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311 | } |
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312 | |
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313 | /*------------------------------------------------------- |
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314 | * .latch stateD$AUT state$AUT |
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315 | * .reset state$AUT |
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316 | * Init (or ns) |
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317 | *------------------------------------------------------- |
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318 | */ |
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319 | fprintf(fp, "\n.latch stateD$AUT state$AUT\n.reset -> state$AUT\n%s", |
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320 | InitStr); |
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321 | |
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322 | |
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323 | /*------------------------------------------------------ |
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324 | * .table selector$AUT state$AUT n1_label$AUT n2_label... -> stateD$AUT |
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325 | * .default Trap |
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326 | * 0 1 0 0 ... n1 |
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327 | * 1 0 1 n2 |
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328 | * ... |
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329 | *------------------------------------------------------ |
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330 | */ |
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331 | if (sel_num >1) |
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332 | fprintf(fp, "\n.table selector$AUT state$AUT "); |
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333 | else |
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334 | fprintf(fp, "\n.table state$AUT "); |
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335 | |
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336 | arrayForEachItem(vertex_t *, labelArray, i, vtx) { |
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337 | fprintf(fp, "n%d_label$AUT ", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
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338 | } |
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339 | fprintf(fp, " -> stateD$AUT\n.default Trap"); |
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340 | |
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341 | if (InitIdx == -1) { |
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342 | sel_cnt = 0; |
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343 | arrayForEachItem(vertex_t *, labelArray, i, vtx) { |
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344 | if (!st_is_member(A->Init, vtx)) |
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345 | continue; |
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346 | if (sel_num > 1) { |
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347 | if (st_count(A->Init) == 1) |
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348 | fprintf(fp, "\n- Init "); |
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349 | else |
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350 | fprintf(fp, "\n%d Init ", sel_cnt); |
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351 | }else |
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352 | fprintf(fp, "\nInit "); |
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353 | |
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354 | for(j=0; j<array_n(labelArray); j++) |
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355 | fprintf(fp, "%s ", ((i==j)?"1":"-")); |
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356 | |
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357 | fprintf(fp, " n%d", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
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358 | |
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359 | if (sel_num > 1) |
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360 | sel_cnt++; |
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361 | } |
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362 | } |
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363 | |
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364 | /* for each edge (n1, n2) with n2 labeled n2_label$AUT, add entry: |
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365 | *------------------------------------------------------- |
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366 | * selector 1 0 0 ... n1 |
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367 | * selector 0 1 0 ... n2 |
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368 | * ... |
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369 | *------------------------------------------------------- |
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370 | */ |
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371 | foreach_vertex(A->G, lsgen, vtx) { |
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372 | int n1 = Ltl_AutomatonVtxGetNodeIdx(vtx); |
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373 | int outDegree = lsLength(g_get_out_edges(vtx)); |
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374 | sel_cnt = 0; |
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375 | foreach_out_edge(vtx, lsgen2, edge) { |
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376 | int n2 = Ltl_AutomatonVtxGetNodeIdx(g_e_dest(edge)); |
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377 | |
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378 | if (sel_num > 1) { |
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379 | if (outDegree == 1) |
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380 | fprintf(fp, "\n- n%d ", n1); |
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381 | else |
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382 | fprintf(fp, "\n%d n%d ", sel_cnt, n1); |
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383 | }else { |
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384 | fprintf(fp, "\nn%d ", n1); |
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385 | } |
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386 | |
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387 | arrayForEachItem(vertex_t *, labelArray, i, vtx2) { |
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388 | fprintf(fp, "%s ", ((vtx2 == g_e_dest(edge))?"1":"-")); |
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389 | } |
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390 | fprintf(fp, " n%d", n2); |
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391 | |
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392 | if (sel_num > 1) |
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393 | sel_cnt++; |
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394 | } |
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395 | } |
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396 | array_free(labelArray); |
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397 | |
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398 | /*------------------------------------------------------- |
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399 | * .table state -> fair1 |
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400 | * .default 0 |
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401 | * ------------------------------------------------------ |
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402 | */ |
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403 | if (lsLength(A->Fair) != 0) { |
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404 | i = 1; |
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405 | lsForEachItem(A->Fair, lsgen, FairSet) { |
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406 | int isFirst = 1; |
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407 | fprintf(fp, "\n.table state$AUT -> fair%d$AUT ", i++); |
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408 | fprintf(fp, "\n.default 0\n("); |
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409 | st_foreach_item(FairSet, stgen, &vtx, NIL(char *)) { |
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410 | if (isFirst) |
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411 | isFirst = 0; |
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412 | else |
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413 | fprintf(fp, ","); |
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414 | fprintf(fp, "n%d", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
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415 | } |
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416 | fprintf(fp, ") 1"); |
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417 | } |
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418 | }else { |
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419 | fprintf(fp, "\n.table state$AUT -> fair1$AUT "); |
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420 | if (InitIdx == -1) |
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421 | fprintf(fp, "\n.default 0\n!(Trap,Init) 1"); |
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422 | else |
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423 | fprintf(fp, "\n.default 0\n!(Trap) 1"); |
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424 | } |
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425 | |
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426 | /*------------------------------------------------------- |
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427 | * .end |
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428 | * ------------------------------------------------------ |
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429 | */ |
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430 | fprintf(fp, "\n.end\n"); |
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431 | |
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432 | /* free the name array |
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433 | */ |
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434 | array_free(InputNames); |
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435 | arrayForEachItem(st_table *, Name2LabelIdx, i, tmptbl) { |
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436 | st_free_table(tmptbl); |
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437 | } |
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438 | array_free(Name2LabelIdx); |
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439 | |
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440 | return result; |
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441 | } |
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442 | |
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443 | #if 0 |
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444 | int |
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445 | Ltl_AutomatonToBlifMv_Old( |
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446 | FILE *fp, |
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447 | Ntk_Network_t *network, |
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448 | Ltl_Automaton_t *A) |
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449 | { |
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450 | Var_Variable_t *inputVar; |
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451 | array_t *InputNames = array_alloc(char *, 0); |
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452 | array_t *Name2LabelIdx = array_alloc(st_table *, 0); |
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453 | Ntk_Node_t *ntknode; |
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454 | char *inputName; |
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455 | st_generator *stgen, *stgen2; |
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456 | lsGen lsgen, lsgen2, lsgen3; |
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457 | int i, j, is_enum, range; |
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458 | long index; |
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459 | int sel_num, sel_cnt; |
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460 | edge_t *edge; |
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461 | vertex_t *vtx; |
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462 | st_table *FairSet, *tmptbl; |
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463 | LtlSet_t *label; |
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464 | int InitIdx = AutomatonComputeInitState(A); |
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465 | char InitStr[10]; |
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466 | int result = 1; |
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467 | |
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468 | /* The initState of the automaton */ |
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469 | if (InitIdx == -1) |
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470 | sprintf(InitStr, "Init"); |
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471 | else |
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472 | sprintf(InitStr, "n%d", InitIdx); |
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473 | |
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474 | if (network == NIL(Ntk_Network_t)) { |
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475 | result = 0; |
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476 | fprintf(vis_stderr, "Warning: the BlifMv output is incomplete. (The current node is empty. Read in design.)\n"); |
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477 | } |
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478 | |
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479 | /* Retrieve all the input names on the labels; For each input, create a |
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480 | * hash table and add all the label subformulae contains that input; |
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481 | * Finally, calculate the size of the "selector" |
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482 | */ |
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483 | AutomatonGetInputNames(A, InputNames, Name2LabelIdx); |
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484 | sel_num = AutomatonCountSelector(A); |
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485 | fprintf(fp, "\n# Buechi automaton: %s\n\n", A->name); |
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486 | |
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487 | /*------------------------------------------------------- |
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488 | * .model Buechi$AUT |
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489 | * .root Buechi$AUT |
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490 | *------------------------------------------------------- |
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491 | */ |
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492 | fprintf(fp, ".model Buechi$AUT\n.root Buechi$AUT"); |
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493 | |
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494 | /*------------------------------------------------------- |
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495 | * .inputs in1 in2 in3 ... inN |
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496 | *------------------------------------------------------- |
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497 | */ |
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498 | fprintf(fp, "\n.inputs "); |
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499 | for (i=0; i<array_n(InputNames); i++) { |
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500 | inputName = array_fetch(char *, InputNames, i); |
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501 | fprintf(fp, "%s ", inputName); |
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502 | } |
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503 | |
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504 | /*------------------------------------------------------- |
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505 | * .outputs fair1 fair2 fair3... fairN |
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506 | *------------------------------------------------------- |
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507 | */ |
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508 | fprintf(fp, "\n.outputs "); |
---|
509 | if ( lsLength(A->Fair) != 0) { |
---|
510 | for (i=0; i<lsLength(A->Fair); i++) { |
---|
511 | fprintf(fp, "fair%d$AUT ", i+1); |
---|
512 | } |
---|
513 | }else |
---|
514 | fprintf(fp, "fair1$AUT"); |
---|
515 | |
---|
516 | /*------------------------------------------------------- |
---|
517 | * .mv in1 3 RED GREEN YELLOW |
---|
518 | *------------------------------------------------------- |
---|
519 | */ |
---|
520 | if (network != NIL(Ntk_Network_t)) { |
---|
521 | for (i=0; i<array_n(InputNames); i++) { |
---|
522 | inputName = array_fetch(char *, InputNames, i); |
---|
523 | ntknode = Ntk_NetworkFindNodeByName(network, inputName); |
---|
524 | assert(ntknode != NIL(Ntk_Node_t)); |
---|
525 | inputVar = Ntk_NodeReadVariable(ntknode); |
---|
526 | is_enum = Var_VariableTestIsEnumerative(inputVar); |
---|
527 | range = Var_VariableReadNumValues(inputVar); |
---|
528 | if (is_enum) { |
---|
529 | if (range != 2) |
---|
530 | fprintf(fp, "\n.mv %s %d\n", inputName, range); |
---|
531 | }else { |
---|
532 | fprintf(fp, "\n.mv %s %d ", inputName, range); |
---|
533 | for (j=0; j<range; j++) { |
---|
534 | fprintf(fp, "%s ", |
---|
535 | Var_VariableReadSymbolicValueFromIndex(inputVar,j)); |
---|
536 | } |
---|
537 | } |
---|
538 | } |
---|
539 | } |
---|
540 | |
---|
541 | /*------------------------------------------------------- |
---|
542 | * .mv stateD$AUT N Init n1 n2 n3 ... nN |
---|
543 | * .mv state$AUT N Init n1 n2 n3 ... nN |
---|
544 | *------------------------------------------------------- |
---|
545 | */ |
---|
546 | if (InitIdx == -1) |
---|
547 | fprintf(fp, "\n.mv stateD$AUT %d Init Trap ", |
---|
548 | lsLength(g_get_vertices(A->G)) + 2); |
---|
549 | else |
---|
550 | fprintf(fp, "\n.mv stateD$AUT %d Trap ", |
---|
551 | lsLength(g_get_vertices(A->G)) + 1); |
---|
552 | foreach_vertex(A->G, lsgen, vtx) { |
---|
553 | fprintf(fp, "n%d ", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
---|
554 | } |
---|
555 | if (InitIdx == -1) |
---|
556 | fprintf(fp, "\n.mv state$AUT %d Init Trap ", |
---|
557 | lsLength(g_get_vertices(A->G)) + 2); |
---|
558 | else |
---|
559 | fprintf(fp, "\n.mv state$AUT %d Trap ", |
---|
560 | lsLength(g_get_vertices(A->G)) + 1); |
---|
561 | foreach_vertex(A->G, lsgen, vtx) { |
---|
562 | fprintf(fp, "n%d ", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
---|
563 | } |
---|
564 | |
---|
565 | /*------------------------------------------------------- |
---|
566 | * .mv selector n |
---|
567 | * .table selector |
---|
568 | * - |
---|
569 | *------------------------------------------------------- |
---|
570 | */ |
---|
571 | if (sel_num > 1) |
---|
572 | fprintf(fp, "\n.mv selector$AUT %d\n.table selector$AUT\n-", sel_num); |
---|
573 | |
---|
574 | /*------------------------------------------------------- |
---|
575 | * .latch stateD$AUT state$AUT |
---|
576 | * .reset state$AUT |
---|
577 | * Init (or ns) |
---|
578 | *------------------------------------------------------- |
---|
579 | */ |
---|
580 | fprintf(fp, "\n.latch stateD$AUT state$AUT\n.reset -> state$AUT\n%s", |
---|
581 | InitStr); |
---|
582 | |
---|
583 | /*------------------------------------------------------ |
---|
584 | * .table selector$AUT state$AUT in1 in2 ... inN -> stateD$AUT |
---|
585 | * .default Trap |
---|
586 | *------------------------------------------------------ |
---|
587 | */ |
---|
588 | if (sel_num >1) |
---|
589 | fprintf(fp, "\n.table selector$AUT state$AUT "); |
---|
590 | else |
---|
591 | fprintf(fp, "\n.table state$AUT "); |
---|
592 | |
---|
593 | for (i=0; i<array_n(InputNames); i++) { |
---|
594 | inputName = array_fetch(char *, InputNames, i); |
---|
595 | fprintf(fp, "%s ", inputName); |
---|
596 | } |
---|
597 | fprintf(fp, " -> stateD$AUT\n.default Trap"); |
---|
598 | |
---|
599 | |
---|
600 | /* for each initial state n2 with label "in1=p !in3=q...", add entry: |
---|
601 | *------------------------------------------------------- |
---|
602 | * selector Init (p) - (!(q)) .. n2 |
---|
603 | *------------------------------------------------------- |
---|
604 | */ |
---|
605 | if (InitIdx == -1) { |
---|
606 | sel_cnt = 0; |
---|
607 | st_foreach_item(A->Init, stgen, &vtx, NIL(char *)) { |
---|
608 | int n2 = Ltl_AutomatonVtxGetNodeIdx(vtx); |
---|
609 | /* each 'compLabel' is a set of "propositional formulae" */ |
---|
610 | LtlSet_t *compLabel = LtlAutomatonVertexGetLabels(vtx); |
---|
611 | /* each item in labelList is a set of "atomic proposition" */ |
---|
612 | lsList labelList = AutomatonLabelGetCubes(A, compLabel, network); |
---|
613 | lsForEachItem(labelList, lsgen, label) { |
---|
614 | if (sel_num > 1) { |
---|
615 | if (st_count(A->Init) == 1) |
---|
616 | fprintf(fp, "\n- Init "); |
---|
617 | else |
---|
618 | fprintf(fp, "\n%d Init ", sel_cnt); |
---|
619 | }else |
---|
620 | fprintf(fp, "\nInit "); |
---|
621 | arrayForEachItem(st_table *, Name2LabelIdx, i, tmptbl) { |
---|
622 | int isFirst = 1; |
---|
623 | int is_universe = 1; |
---|
624 | /* The value is the universe '-' iff it is not in the label */ |
---|
625 | if (!LtlSetIsEmpty(label)) { |
---|
626 | st_foreach_item(tmptbl, stgen2, &index, NIL(char *)) { |
---|
627 | if (LtlSetGetElt(label, (int) index)) { |
---|
628 | is_universe = 0; |
---|
629 | st_free_gen(stgen2); |
---|
630 | break; |
---|
631 | } |
---|
632 | } |
---|
633 | } |
---|
634 | if (is_universe) { |
---|
635 | fprintf(fp, "- "); |
---|
636 | continue; |
---|
637 | } |
---|
638 | /* Otherwise, write the value. Note that the value should be |
---|
639 | * the conjunction of the values of the atomic propositions. |
---|
640 | * A * B * C = !(!A + !B +!C) |
---|
641 | */ |
---|
642 | fprintf(fp, "!("); |
---|
643 | st_foreach_item(tmptbl, stgen2, &index, NIL(char *)) { |
---|
644 | if (LtlSetGetElt(label, (int) index)) { |
---|
645 | Ctlsp_Formula_t *F = array_fetch(Ctlsp_Formula_t *, |
---|
646 | A->labelTable, |
---|
647 | (int) index); |
---|
648 | if (isFirst) |
---|
649 | isFirst = 0; |
---|
650 | else |
---|
651 | fprintf(fp, ","); |
---|
652 | if (Ctlsp_FormulaReadType(F) == Ctlsp_NOT_c) { |
---|
653 | F = Ctlsp_FormulaReadLeftChild(F); |
---|
654 | }else { |
---|
655 | fprintf(fp, "!"); |
---|
656 | } |
---|
657 | |
---|
658 | fprintf(fp, "(%s)", Ctlsp_FormulaReadValueName(F)); |
---|
659 | } |
---|
660 | } |
---|
661 | fprintf(fp, ") "); |
---|
662 | } |
---|
663 | fprintf(fp, " n%d", n2); |
---|
664 | } |
---|
665 | lsDestroy(labelList, (void (*)(lsGeneric))LtlSetFree); |
---|
666 | |
---|
667 | if (sel_num > 1) |
---|
668 | sel_cnt++; |
---|
669 | } |
---|
670 | } |
---|
671 | |
---|
672 | /* for each edge (n1, n2) with n2 labelled "in1=p !in3=q...", add entry: |
---|
673 | *------------------------------------------------------- |
---|
674 | * selector n1 (p) - (!(q)) ... n2 |
---|
675 | *------------------------------------------------------- |
---|
676 | */ |
---|
677 | foreach_vertex(A->G, lsgen, vtx) { |
---|
678 | int n1 = Ltl_AutomatonVtxGetNodeIdx(vtx); |
---|
679 | int outDegree = lsLength(g_get_out_edges(vtx)); |
---|
680 | sel_cnt = 0; |
---|
681 | foreach_out_edge(vtx, lsgen2, edge) { |
---|
682 | int n2 = Ltl_AutomatonVtxGetNodeIdx(g_e_dest(edge)); |
---|
683 | /* 'compLabel' contains a set of "propositional formulae" */ |
---|
684 | LtlSet_t *compLabel = LtlAutomatonVertexGetLabels(g_e_dest(edge)); |
---|
685 | /* each item in 'labelList' is a set of "atomic propositions" */ |
---|
686 | lsList labelList = AutomatonLabelGetCubes(A, compLabel, network); |
---|
687 | lsForEachItem(labelList, lsgen3, label) { |
---|
688 | if (sel_num > 1) { |
---|
689 | if (outDegree == 1) |
---|
690 | fprintf(fp, "\n- n%d ", n1); |
---|
691 | else |
---|
692 | fprintf(fp, "\n%d n%d ", sel_cnt, n1); |
---|
693 | }else { |
---|
694 | fprintf(fp, "\nn%d ", n1); |
---|
695 | } |
---|
696 | arrayForEachItem(st_table *, Name2LabelIdx, i, tmptbl) { |
---|
697 | int isFirst = 1; |
---|
698 | int is_universe = 1; |
---|
699 | /* the value is universe '-' iff it is not in the label */ |
---|
700 | if (!LtlSetIsEmpty(label)) { |
---|
701 | st_foreach_item(tmptbl,stgen2,&index, NIL(char *)){ |
---|
702 | if (LtlSetGetElt(label, (int) index)) { |
---|
703 | is_universe = 0; |
---|
704 | st_free_gen(stgen2); |
---|
705 | break; |
---|
706 | } |
---|
707 | } |
---|
708 | } |
---|
709 | if (is_universe) { |
---|
710 | fprintf(fp, "- "); |
---|
711 | continue; |
---|
712 | } |
---|
713 | /* write the value as the conjunction of the values in the |
---|
714 | * atomic proposition. for example, if the state is labeled |
---|
715 | * 'in1={R,G,B}' and 'in1={G}', we should write as |
---|
716 | * !( !(R,G,B), !(G) ) |
---|
717 | * Note that it's the same as {R,G,B}^{G}={G} |
---|
718 | */ |
---|
719 | fprintf(fp, "!("); |
---|
720 | st_foreach_item(tmptbl, stgen, &index, NIL(char *)) { |
---|
721 | if (LtlSetGetElt(label, (int) index)) { |
---|
722 | Ctlsp_Formula_t *F = array_fetch(Ctlsp_Formula_t *, |
---|
723 | A->labelTable, |
---|
724 | (int) index); |
---|
725 | if (isFirst) |
---|
726 | isFirst = 0; |
---|
727 | else |
---|
728 | fprintf(fp, ","); |
---|
729 | if (Ctlsp_FormulaReadType(F) == Ctlsp_NOT_c) |
---|
730 | F = Ctlsp_FormulaReadLeftChild(F); |
---|
731 | else |
---|
732 | fprintf(fp, "!"); |
---|
733 | fprintf(fp, "(%s)", Ctlsp_FormulaReadValueName(F)); |
---|
734 | } |
---|
735 | } |
---|
736 | fprintf(fp, ") "); |
---|
737 | } |
---|
738 | fprintf(fp, " n%d", n2); |
---|
739 | } |
---|
740 | lsDestroy(labelList, (void (*)(lsGeneric))LtlSetFree); |
---|
741 | |
---|
742 | if (sel_num > 1) |
---|
743 | sel_cnt++; |
---|
744 | } |
---|
745 | } |
---|
746 | |
---|
747 | |
---|
748 | /*------------------------------------------------------- |
---|
749 | * .table state -> fair1 |
---|
750 | * .default 0 |
---|
751 | * ------------------------------------------------------ |
---|
752 | */ |
---|
753 | if (lsLength(A->Fair) != 0) { |
---|
754 | i = 1; |
---|
755 | lsForEachItem(A->Fair, lsgen, FairSet) { |
---|
756 | int isFirst = 1; |
---|
757 | fprintf(fp, "\n.table state$AUT -> fair%d$AUT ", i++); |
---|
758 | fprintf(fp, "\n.default 0\n("); |
---|
759 | st_foreach_item(FairSet, stgen, &vtx, NIL(char *)) { |
---|
760 | if (isFirst) |
---|
761 | isFirst = 0; |
---|
762 | else |
---|
763 | fprintf(fp, ","); |
---|
764 | fprintf(fp, "n%d", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
---|
765 | } |
---|
766 | fprintf(fp, ") 1"); |
---|
767 | } |
---|
768 | }else { |
---|
769 | fprintf(fp, "\n.table state$AUT -> fair1$AUT "); |
---|
770 | if (InitIdx == -1) |
---|
771 | fprintf(fp, "\n.default 0\n!(Trap,Init) 1"); |
---|
772 | else |
---|
773 | fprintf(fp, "\n.default 0\n!(Trap) 1"); |
---|
774 | } |
---|
775 | |
---|
776 | /*------------------------------------------------------- |
---|
777 | * .end |
---|
778 | * ------------------------------------------------------ |
---|
779 | */ |
---|
780 | fprintf(fp, "\n.end\n"); |
---|
781 | |
---|
782 | /* free the name array |
---|
783 | */ |
---|
784 | array_free(InputNames); |
---|
785 | arrayForEachItem(st_table *, Name2LabelIdx, i, tmptbl) { |
---|
786 | st_free_table(tmptbl); |
---|
787 | } |
---|
788 | array_free(Name2LabelIdx); |
---|
789 | |
---|
790 | return result; |
---|
791 | } |
---|
792 | #endif |
---|
793 | |
---|
794 | |
---|
795 | /**Function******************************************************************** |
---|
796 | |
---|
797 | Synopsis [Translate the automaton to Verilog file.] |
---|
798 | |
---|
799 | Description [The Hrc_Manager may or may not be provided. If not, the verilog |
---|
800 | file generated is not accurate (all the inputs are assummed to be boolean).] |
---|
801 | |
---|
802 | SideEffects [] |
---|
803 | |
---|
804 | SeeAlso [] |
---|
805 | |
---|
806 | ******************************************************************************/ |
---|
807 | int |
---|
808 | Ltl_AutomatonToVerilog( |
---|
809 | FILE *fp, |
---|
810 | Ntk_Network_t *network, |
---|
811 | Ltl_Automaton_t *A) |
---|
812 | { |
---|
813 | Var_Variable_t *inputVar; |
---|
814 | array_t *InputNames = array_alloc(char *, 0); |
---|
815 | array_t *Name2LabelIdx = array_alloc(st_table *, 0); |
---|
816 | Ntk_Node_t *ntknode; |
---|
817 | char *inputName, *formulaString, *normalString; |
---|
818 | st_generator *stgen; |
---|
819 | lsGen lsgen, lsgen2; |
---|
820 | int i, j, is_enum, range, isFirst; |
---|
821 | int sel_num, sel_cnt; |
---|
822 | edge_t *edge; |
---|
823 | vertex_t *vtx; |
---|
824 | st_table *FairSet; |
---|
825 | int InitIdx = AutomatonComputeInitState(A); |
---|
826 | char InitStr[10]; |
---|
827 | int result = 1; |
---|
828 | |
---|
829 | /* The initState of the automaton */ |
---|
830 | if (InitIdx == -1) |
---|
831 | sprintf(InitStr, "Init"); |
---|
832 | else |
---|
833 | sprintf(InitStr, "n%d", InitIdx); |
---|
834 | |
---|
835 | if (network == NIL(Ntk_Network_t)) { |
---|
836 | result = 0; |
---|
837 | fprintf(vis_stderr, "Warning: the Verilog output is incomplete. (The current node is empty. Read in design.)\n"); |
---|
838 | } |
---|
839 | |
---|
840 | /* Retrieve all the input names of the automaton into 'InputNames', And for |
---|
841 | * each name, put into a hash table all the subformulae contains it |
---|
842 | */ |
---|
843 | AutomatonGetInputNames(A, InputNames, Name2LabelIdx); |
---|
844 | sel_num = AutomatonCountSelector(A); |
---|
845 | fprintf(fp, "\n// Buechi automaton: %s", A->name); |
---|
846 | |
---|
847 | /*------------------------------------------------------- |
---|
848 | * typedef enum {Init, trap, n1, n2, ... nN} states; |
---|
849 | * typedef enum {READ, GREEN, YELLOW} type_in1; |
---|
850 | *------------------------------------------------------- |
---|
851 | */ |
---|
852 | if (InitIdx == -1) |
---|
853 | fprintf(fp, "\ntypedef enum {Init,Trap"); |
---|
854 | else |
---|
855 | fprintf(fp, "\ntypedef enum {Trap"); |
---|
856 | foreach_vertex(A->G, lsgen, vtx) { |
---|
857 | fprintf(fp, ",n%d", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
---|
858 | } |
---|
859 | fprintf(fp, "} type_states;"); |
---|
860 | |
---|
861 | if (network != NIL(Ntk_Network_t)) { |
---|
862 | arrayForEachItem(char *, InputNames, i, inputName) { |
---|
863 | /* replace illegal characters in the input name string */ |
---|
864 | normalString = StringNormalize(inputName); |
---|
865 | fprintf(fp, "\n//Input name mapping:\t %s => %s;", inputName, |
---|
866 | normalString); |
---|
867 | |
---|
868 | ntknode = Ntk_NetworkFindNodeByName(network, inputName); |
---|
869 | assert(ntknode != NIL(Ntk_Node_t)); |
---|
870 | inputVar = Ntk_NodeReadVariable(ntknode); |
---|
871 | |
---|
872 | is_enum = Var_VariableTestIsEnumerative(inputVar); |
---|
873 | range = Var_VariableReadNumValues(inputVar); |
---|
874 | if (is_enum) { |
---|
875 | if (range>2) |
---|
876 | fprintf(fp, "\ntypedef enum {0-%d} type_%s;", |
---|
877 | range-1, normalString); |
---|
878 | }else { |
---|
879 | fprintf(fp, "\ntypedef enum {"); |
---|
880 | isFirst = 1; |
---|
881 | for (j=0; j<range; j++) { |
---|
882 | char *vstr = |
---|
883 | Var_VariableReadSymbolicValueFromIndex(inputVar,j); |
---|
884 | if (isFirst) { |
---|
885 | fprintf(fp, "%s ", vstr); |
---|
886 | isFirst = 0; |
---|
887 | } else |
---|
888 | fprintf(fp, ",%s ", vstr); |
---|
889 | } |
---|
890 | fprintf(fp, "} type_%s;", normalString); |
---|
891 | } |
---|
892 | |
---|
893 | FREE(normalString); |
---|
894 | } |
---|
895 | } |
---|
896 | |
---|
897 | /*------------------------------------------------------- |
---|
898 | * module Buechi (clock, in1, in2 ... inN, fair1, ...); |
---|
899 | *------------------------------------------------------- |
---|
900 | */ |
---|
901 | fprintf(fp, "\n//Buechi Buechi (clock"); |
---|
902 | for (i=0; i<array_n(InputNames); i++) { |
---|
903 | inputName = array_fetch(char *, InputNames, i); |
---|
904 | fprintf(fp, ",%s", inputName); |
---|
905 | } |
---|
906 | for (i=0; i<lsLength(A->Fair); i++) { |
---|
907 | fprintf(fp, ",fair%d", i+1); |
---|
908 | } |
---|
909 | fprintf(fp, ");"); |
---|
910 | |
---|
911 | fprintf(fp, "\nmodule Buechi (clock"); |
---|
912 | for (i=0; i<array_n(InputNames); i++) { |
---|
913 | inputName = array_fetch(char *, InputNames, i); |
---|
914 | normalString = StringNormalize(inputName); |
---|
915 | fprintf(fp, ",%s", normalString); |
---|
916 | FREE(normalString); |
---|
917 | } |
---|
918 | for (i=0; i<lsLength(A->Fair); i++) { |
---|
919 | fprintf(fp, ",fair%d", i+1); |
---|
920 | } |
---|
921 | fprintf(fp, ");"); |
---|
922 | |
---|
923 | |
---|
924 | /*------------------------------------------------------- |
---|
925 | * input clock, in1, in2 ... inN ; |
---|
926 | * output fair1, fair2 ... fairN ; |
---|
927 | *------------------------------------------------------- |
---|
928 | */ |
---|
929 | fprintf(fp, "\n\tinput clock"); |
---|
930 | for (i=0; i<array_n(InputNames); i++) { |
---|
931 | inputName = array_fetch(char *, InputNames, i); |
---|
932 | normalString = StringNormalize(inputName); |
---|
933 | fprintf(fp, ", %s", normalString); |
---|
934 | FREE(normalString); |
---|
935 | } |
---|
936 | if (lsLength(A->Fair)>0) { |
---|
937 | fprintf(fp, ";\n\toutput "); |
---|
938 | isFirst = 1; |
---|
939 | for (i=0; i<lsLength(A->Fair); i++) { |
---|
940 | if (isFirst) { |
---|
941 | fprintf(fp, "fair%d", i+1); |
---|
942 | isFirst = 0; |
---|
943 | } else { |
---|
944 | fprintf(fp, ",fair%d", i+1); |
---|
945 | } |
---|
946 | } |
---|
947 | } |
---|
948 | fprintf(fp, ";"); |
---|
949 | |
---|
950 | |
---|
951 | /*------------------------------------------------------- |
---|
952 | * type_in1 wire in1; |
---|
953 | * type_in2 wire in2; |
---|
954 | * ... |
---|
955 | * type_states reg state; |
---|
956 | * wire[0:logN] sel; |
---|
957 | *------------------------------------------------------- |
---|
958 | */ |
---|
959 | if (network != NIL(Ntk_Network_t)) { |
---|
960 | arrayForEachItem(char *, InputNames, i, inputName) { |
---|
961 | normalString = StringNormalize(inputName); |
---|
962 | |
---|
963 | ntknode = Ntk_NetworkFindNodeByName(network, inputName); |
---|
964 | assert(ntknode != NIL(Ntk_Node_t)); |
---|
965 | inputVar = Ntk_NodeReadVariable(ntknode); |
---|
966 | |
---|
967 | is_enum = Var_VariableTestIsEnumerative(inputVar); |
---|
968 | range = Var_VariableReadNumValues(inputVar); |
---|
969 | |
---|
970 | if (!is_enum || range > 2) |
---|
971 | fprintf(fp, "\n\ttype_%s wire %s;", normalString,normalString); |
---|
972 | FREE(normalString); |
---|
973 | } |
---|
974 | } |
---|
975 | fprintf(fp, "\n\ttype_states reg state;"); |
---|
976 | if (sel_num >1) { |
---|
977 | if (sel_num == 2) |
---|
978 | fprintf(fp, "\n\twire sel;"); |
---|
979 | else |
---|
980 | fprintf(fp, "\n\twire [0:%d] sel;", (int)(ceil(log(sel_num)))-1); |
---|
981 | } |
---|
982 | |
---|
983 | /*------------------------------------------------------- |
---|
984 | * assign sel = $ND( {0-N} ); |
---|
985 | * assign fair = (state==n1 || state==n2 || ... ); |
---|
986 | *------------------------------------------------------- |
---|
987 | */ |
---|
988 | fprintf(fp, "\n\tassign sel = $ND( {0-%d} );", sel_num-1 ); |
---|
989 | i = 1; |
---|
990 | lsForEachItem(A->Fair, lsgen, FairSet) { |
---|
991 | int isFirst = 1; |
---|
992 | fprintf(fp, "\n\tassign fair%d = (state==", i++); |
---|
993 | st_foreach_item(FairSet, stgen, &vtx, NIL(char *)) { |
---|
994 | if (isFirst) |
---|
995 | isFirst = 0; |
---|
996 | else |
---|
997 | fprintf(fp, "|| state=="); |
---|
998 | fprintf(fp, "n%d", Ltl_AutomatonVtxGetNodeIdx(vtx)); |
---|
999 | } |
---|
1000 | fprintf(fp, ");"); |
---|
1001 | } |
---|
1002 | |
---|
1003 | /*------------------------------------------------------- |
---|
1004 | * initial state = Init; |
---|
1005 | *------------------------------------------------------- |
---|
1006 | */ |
---|
1007 | fprintf(fp, "\n\tinitial state = %s;", InitStr); |
---|
1008 | |
---|
1009 | /*------------------------------------------------------- |
---|
1010 | * always @ (posedge clock) begin |
---|
1011 | * case (state) |
---|
1012 | *------------------------------------------------------- |
---|
1013 | */ |
---|
1014 | fprintf(fp, "\n\talways @ (posedge clock) begin"); |
---|
1015 | fprintf(fp, "\n\t\tcase (state)"); |
---|
1016 | |
---|
1017 | /* for each initial state n2 with label "in1=p !in3=q...", add entry: |
---|
1018 | *------------------------------------------------------- |
---|
1019 | * Init: |
---|
1020 | * if( sel==0 && in1==p && !in3=q ... ) |
---|
1021 | * state = n2; |
---|
1022 | * else if( sel==1 && ...) |
---|
1023 | * state = n3; |
---|
1024 | * else |
---|
1025 | * state = Trap; |
---|
1026 | *------------------------------------------------------ |
---|
1027 | */ |
---|
1028 | if (InitIdx == -1) { |
---|
1029 | fprintf(fp, "\n\t\tInit:"); |
---|
1030 | sel_cnt = 0; |
---|
1031 | st_foreach_item(A->Init, stgen, &vtx, NIL(char *)) { |
---|
1032 | int n2 = Ltl_AutomatonVtxGetNodeIdx(vtx); |
---|
1033 | LtlSet_t *label = LtlAutomatonVertexGetLabels(vtx); |
---|
1034 | |
---|
1035 | /* universal label (no label) on n2 */ |
---|
1036 | if (LtlSetIsEmpty(label)) { |
---|
1037 | if (st_count(A->Init) == 1 || sel_num == 0) |
---|
1038 | fprintf(fp,"\n\t\t\tif(1) \n\t\t\t\tstate = n%d;", n2); |
---|
1039 | else if (sel_cnt == 0) |
---|
1040 | fprintf(fp,"\n\t\t\tif(sel==%d)\n\t\t\t\tstate = n%d;", |
---|
1041 | sel_cnt++, n2); |
---|
1042 | else |
---|
1043 | fprintf(fp, "\n\t\t\telse if(sel==%d)\n\t\t\t\tstate = n%d;", |
---|
1044 | sel_cnt++, n2); |
---|
1045 | }else { |
---|
1046 | /* there is at least one label on n2 */ |
---|
1047 | if (st_count(A->Init) == 1 || sel_num == 0) |
---|
1048 | fprintf(fp, "\n\t\t\tif("); |
---|
1049 | else if (sel_cnt==0) |
---|
1050 | fprintf(fp, "\n\t\t\tif(sel==%d && ", sel_cnt++); |
---|
1051 | else |
---|
1052 | fprintf(fp, "\n\t\t\telse if(sel==%d && ", sel_cnt++); |
---|
1053 | |
---|
1054 | isFirst = 1; |
---|
1055 | for (i=0; i<array_n(A->labelTable); i++) { |
---|
1056 | if (LtlSetGetElt(label, i)) { |
---|
1057 | Ctlsp_Formula_t *F = array_fetch(Ctlsp_Formula_t *, |
---|
1058 | A->labelTable, i); |
---|
1059 | formulaString = Ctlsp_FormulaConvertToString(F); |
---|
1060 | normalString = StringNormalize(formulaString); |
---|
1061 | FREE(formulaString); |
---|
1062 | |
---|
1063 | if (isFirst) |
---|
1064 | isFirst = 0; |
---|
1065 | else |
---|
1066 | fprintf(fp, " && "); |
---|
1067 | |
---|
1068 | fprintf(fp, "%s", normalString); |
---|
1069 | FREE(normalString); |
---|
1070 | } |
---|
1071 | } |
---|
1072 | fprintf(fp, ")\n\t\t\t\tstate = n%d;", n2); |
---|
1073 | } |
---|
1074 | } |
---|
1075 | fprintf(fp, "\n\t\t\telse\n\t\t\t\tstate = Trap;"); |
---|
1076 | } |
---|
1077 | |
---|
1078 | /* for each edge (n1, n2) with n2 labelled "in1=p !in3=q...", add entry: |
---|
1079 | *------------------------------------------------------- |
---|
1080 | * n1: |
---|
1081 | * if( sel==0 && in1==p && !in3=q ... ) |
---|
1082 | * state = n2; |
---|
1083 | * else if( sel==1 && ...) |
---|
1084 | * state = n3; |
---|
1085 | * else |
---|
1086 | * state = Trap; |
---|
1087 | *------------------------------------------------------- |
---|
1088 | */ |
---|
1089 | foreach_vertex(A->G, lsgen, vtx) { |
---|
1090 | int n1 = Ltl_AutomatonVtxGetNodeIdx(vtx); |
---|
1091 | int outDegree = lsLength(g_get_out_edges(vtx)); |
---|
1092 | fprintf(fp, "\n\t\tn%d:", n1); |
---|
1093 | sel_cnt = 0; |
---|
1094 | foreach_out_edge(vtx, lsgen2, edge) { |
---|
1095 | int n2 = Ltl_AutomatonVtxGetNodeIdx(g_e_dest(edge)); |
---|
1096 | LtlSet_t *label = LtlAutomatonVertexGetLabels(g_e_dest(edge)); |
---|
1097 | |
---|
1098 | /* universal label (no label) on n2 */ |
---|
1099 | if (LtlSetIsEmpty(label)) { |
---|
1100 | if (outDegree == 1 || sel_num == 0) |
---|
1101 | fprintf(fp, "\n\t\t\tif(1) \n\t\t\t\tstate = n%d;", n2); |
---|
1102 | else if (sel_cnt == 0) |
---|
1103 | fprintf(fp, "\n\t\t\tif(sel==%d) \n\t\t\t\tstate = n%d;", |
---|
1104 | sel_cnt++, n2); |
---|
1105 | else |
---|
1106 | fprintf(fp, "\n\t\t\telse if(sel==%d)\n\t\t\t\tstate = n%d;", |
---|
1107 | sel_cnt++, n2); |
---|
1108 | }else { |
---|
1109 | /* at least 1 label on n2 */ |
---|
1110 | if (outDegree == 1 || sel_num == 0) |
---|
1111 | fprintf(fp, "\n\t\t\tif("); |
---|
1112 | else if (sel_cnt==0) |
---|
1113 | fprintf(fp, "\n\t\t\tif(sel==%d && ", sel_cnt++); |
---|
1114 | else |
---|
1115 | fprintf(fp, "\n\t\t\telse if(sel==%d && ", sel_cnt++); |
---|
1116 | |
---|
1117 | isFirst = 1; |
---|
1118 | for (i=0; i<array_n(A->labelTableNegate); i++) { |
---|
1119 | if (LtlSetGetElt(label, i)) { |
---|
1120 | Ctlsp_Formula_t *F = array_fetch(Ctlsp_Formula_t *, |
---|
1121 | A->labelTable, i); |
---|
1122 | formulaString = Ctlsp_FormulaConvertToString(F); |
---|
1123 | normalString = StringNormalize(formulaString); |
---|
1124 | FREE(formulaString); |
---|
1125 | |
---|
1126 | if (isFirst) isFirst = 0; |
---|
1127 | else fprintf(fp, " && "); |
---|
1128 | |
---|
1129 | fprintf(fp, "%s", normalString); |
---|
1130 | FREE(normalString); |
---|
1131 | } |
---|
1132 | } |
---|
1133 | fprintf(fp, ")\n\t\t\t\tstate = n%d;", n2); |
---|
1134 | } |
---|
1135 | } |
---|
1136 | fprintf(fp, "\n\t\t\telse\n\t\t\t\tstate = Trap;"); |
---|
1137 | } |
---|
1138 | |
---|
1139 | /*------------------------------------------------------- |
---|
1140 | * default: state = Trap; |
---|
1141 | * endcase |
---|
1142 | * end |
---|
1143 | * endmodule |
---|
1144 | *------------------------------------------------------- |
---|
1145 | */ |
---|
1146 | fprintf(fp, "\n\t\tdefault: state = Trap;\n\t\tendcase\n\tend\nendmodule\n"); |
---|
1147 | |
---|
1148 | /* free the name array */ |
---|
1149 | array_free(InputNames); |
---|
1150 | for(i=0; i<array_n(Name2LabelIdx); i++) { |
---|
1151 | st_table *tmptbl = array_fetch(st_table *, Name2LabelIdx, i); |
---|
1152 | st_free_table(tmptbl); |
---|
1153 | } |
---|
1154 | array_free(Name2LabelIdx); |
---|
1155 | |
---|
1156 | return result; |
---|
1157 | } |
---|
1158 | |
---|
1159 | |
---|
1160 | /**Function******************************************************************** |
---|
1161 | |
---|
1162 | Synopsis [Translate the automaton to SMV file.] |
---|
1163 | |
---|
1164 | Description [The Hrc_Manager may or may not be provided. If not, the blifmv |
---|
1165 | file generated is not complete (inputs are assummed to be boolean.] |
---|
1166 | |
---|
1167 | SideEffects [] |
---|
1168 | |
---|
1169 | SeeAlso [] |
---|
1170 | |
---|
1171 | ******************************************************************************/ |
---|
1172 | int |
---|
1173 | Ltl_AutomatonToSmv( |
---|
1174 | FILE *fp, |
---|
1175 | Ntk_Network_t *network, |
---|
1176 | Ltl_Automaton_t *A) |
---|
1177 | { |
---|
1178 | return 1; |
---|
1179 | } |
---|
1180 | |
---|
1181 | /*---------------------------------------------------------------------------*/ |
---|
1182 | /* Definition of static functions */ |
---|
1183 | /*---------------------------------------------------------------------------*/ |
---|
1184 | |
---|
1185 | |
---|
1186 | /**Function******************************************************************** |
---|
1187 | |
---|
1188 | Synopsis [Return a array of all the inputnames of the automaton.] |
---|
1189 | |
---|
1190 | Description [InputNames and Name2LabelIdx are two "array_t" provided by the |
---|
1191 | caller. InputNames will be filled by all the labels on the automaton nodes; |
---|
1192 | Each item of Name2LabelIdx is a "st_table" from a label to all the related |
---|
1193 | formulae in A->labelTable that contains the label.] |
---|
1194 | |
---|
1195 | SideEffects [] |
---|
1196 | |
---|
1197 | ******************************************************************************/ |
---|
1198 | static void |
---|
1199 | AutomatonGetInputNames( |
---|
1200 | Ltl_Automaton_t *A, |
---|
1201 | array_t *InputNames, |
---|
1202 | array_t *Name2LabelIdx) |
---|
1203 | { |
---|
1204 | st_table *Visited = st_init_table(strcmp, st_strhash); |
---|
1205 | Ctlsp_Formula_t *F; |
---|
1206 | Ctlsp_FormulaType F_type; |
---|
1207 | long i, index, counter; |
---|
1208 | |
---|
1209 | counter = 0; |
---|
1210 | for (i=0; i<array_n(A->labelTable); i++) { |
---|
1211 | /* get the positive formula string */ |
---|
1212 | F = array_fetch(Ctlsp_Formula_t *, A->labelTable, i); |
---|
1213 | F_type = Ctlsp_FormulaReadType(F); |
---|
1214 | /* if it's not an AP (just a propositional formula), skip ... */ |
---|
1215 | if (F_type != Ctlsp_NOT_c && F_type != Ctlsp_ID_c) |
---|
1216 | continue; |
---|
1217 | if (F_type == Ctlsp_NOT_c) |
---|
1218 | F = Ctlsp_FormulaReadLeftChild(F); |
---|
1219 | /* put into the InputNames array */ |
---|
1220 | if (!st_lookup(Visited, Ctlsp_FormulaReadVariableName(F),&index)){ |
---|
1221 | st_table *tmptbl = st_init_table(st_numcmp, st_numhash); |
---|
1222 | st_insert(tmptbl, (char *) i, (char *)i); |
---|
1223 | |
---|
1224 | array_insert(st_table *, Name2LabelIdx, counter, tmptbl); |
---|
1225 | array_insert(char *, InputNames, counter, |
---|
1226 | Ctlsp_FormulaReadVariableName(F)); |
---|
1227 | |
---|
1228 | st_insert(Visited, Ctlsp_FormulaReadVariableName(F), (char *)counter++); |
---|
1229 | }else { |
---|
1230 | st_table *tmptbl = array_fetch(st_table *, Name2LabelIdx, index); |
---|
1231 | st_insert(tmptbl, (char *)i, (char *)i); |
---|
1232 | } |
---|
1233 | } |
---|
1234 | |
---|
1235 | st_free_table(Visited); |
---|
1236 | } |
---|
1237 | |
---|
1238 | /**Function******************************************************************** |
---|
1239 | |
---|
1240 | Synopsis [Return the upper bound number of nondeterministic selectors.] |
---|
1241 | |
---|
1242 | Description [The automaton is nondeterministic, but the blif_mv file should |
---|
1243 | be deterministic. Selector (variable with random output) is used to make |
---|
1244 | the .table determinstic. We need to know how many outputs the Selector |
---|
1245 | should have. Here we take the maximum out-degree among all nodes as the |
---|
1246 | upper bound estimation.] |
---|
1247 | |
---|
1248 | SideEffects [] |
---|
1249 | |
---|
1250 | ******************************************************************************/ |
---|
1251 | static int |
---|
1252 | AutomatonCountSelector( |
---|
1253 | Ltl_Automaton_t *A) |
---|
1254 | { |
---|
1255 | int sel_num = st_count(A->Init); |
---|
1256 | int local_num; |
---|
1257 | lsGen lsgen; |
---|
1258 | vertex_t *vtx; |
---|
1259 | |
---|
1260 | foreach_vertex(A->G, lsgen, vtx) { |
---|
1261 | local_num = lsLength(g_get_out_edges(vtx)); |
---|
1262 | if (sel_num < local_num) |
---|
1263 | sel_num = local_num; |
---|
1264 | } |
---|
1265 | |
---|
1266 | return sel_num; |
---|
1267 | } |
---|
1268 | |
---|
1269 | |
---|
1270 | /**Function******************************************************************** |
---|
1271 | |
---|
1272 | Synopsis [Determine if "Init" state is necessary.] |
---|
1273 | |
---|
1274 | Description [If there exists such a state 'ns', "Init" is not necessary: |
---|
1275 | (1) ns is in Aut->Init |
---|
1276 | (2) there is a edge from ns to every state in Aut->Init (including itself) |
---|
1277 | In another word, ns is equivalent to "Init". |
---|
1278 | (3) there is no edge fron ns to states not in Aut->Init. |
---|
1279 | |
---|
1280 | Return the index of the state 'ns' if exist, otherwise return -1. ] |
---|
1281 | |
---|
1282 | SideEffects [] |
---|
1283 | |
---|
1284 | ******************************************************************************/ |
---|
1285 | static int |
---|
1286 | AutomatonComputeInitState( |
---|
1287 | Ltl_Automaton_t *A) |
---|
1288 | { |
---|
1289 | int initIdx = -1; |
---|
1290 | vertex_t *vtx, *vtx2, *s; |
---|
1291 | edge_t *e; |
---|
1292 | st_generator *stgen, *stgen2; |
---|
1293 | lsGen lsgen; |
---|
1294 | |
---|
1295 | st_foreach_item(A->Init, stgen, &vtx, NIL(char *)) { |
---|
1296 | int isInit = 1; |
---|
1297 | /* first, compute the set of sucessors of 'vtx' */ |
---|
1298 | lsList Img = g_get_out_edges(vtx); |
---|
1299 | st_table *uTable = st_init_table(st_ptrcmp, st_ptrhash); |
---|
1300 | lsForEachItem(Img, lsgen, e) { |
---|
1301 | s = g_e_dest(e); |
---|
1302 | st_insert(uTable, s, s); |
---|
1303 | } |
---|
1304 | /* then, test if it is equivalent to 'A->Init': No more, No less */ |
---|
1305 | st_foreach_item(A->Init, stgen2, &vtx2, NIL(char *)) { |
---|
1306 | if (!st_is_member(uTable, vtx2)) { |
---|
1307 | isInit = 0; |
---|
1308 | st_free_gen(stgen2); |
---|
1309 | break; |
---|
1310 | } |
---|
1311 | } |
---|
1312 | if (isInit) { |
---|
1313 | st_foreach_item(uTable, stgen2, &vtx2, NIL(char *)) { |
---|
1314 | if (!st_is_member(A->Init, vtx2)) { |
---|
1315 | isInit = 0; |
---|
1316 | st_free_gen(stgen2); |
---|
1317 | break; |
---|
1318 | } |
---|
1319 | } |
---|
1320 | } |
---|
1321 | st_free_table(uTable); |
---|
1322 | |
---|
1323 | if (isInit == 1) { |
---|
1324 | initIdx = ((Ltl_AutomatonNode_t *)vtx->user_data)->index; |
---|
1325 | st_free_gen(stgen); |
---|
1326 | break; |
---|
1327 | } |
---|
1328 | } |
---|
1329 | |
---|
1330 | return initIdx; |
---|
1331 | } |
---|
1332 | |
---|
1333 | /**Function******************************************************************** |
---|
1334 | |
---|
1335 | Synopsis [Given a composite label, return a list of label (each of which |
---|
1336 | is a cube.] |
---|
1337 | |
---|
1338 | Description [The composite label can any combination of !, + , *.] |
---|
1339 | |
---|
1340 | SideEffects [] |
---|
1341 | |
---|
1342 | ******************************************************************************/ |
---|
1343 | /*static lsList |
---|
1344 | AutomatonLabelGetCubes( |
---|
1345 | Ltl_Automaton_t *A, |
---|
1346 | LtlSet_t *compositeLabel, |
---|
1347 | Ntk_Network_t *network) |
---|
1348 | { |
---|
1349 | LtlTableau_t *tableau = A->tableau; |
---|
1350 | int size = tableau->labelIndex; |
---|
1351 | LtlSet_t *tempSet, *tempSet2, *tempSet3; |
---|
1352 | lsList conjunctList; |
---|
1353 | lsList disjunctList; |
---|
1354 | lsList tempList, tempList2, tempList3; |
---|
1355 | lsGen lsgen, lsgen2; |
---|
1356 | int i; |
---|
1357 | |
---|
1358 | if (LtlSetIsEmpty(compositeLabel)) { |
---|
1359 | tempList = lsCreate(); |
---|
1360 | lsNewEnd(tempList, (lsGeneric)LtlSetNew(size), (lsHandle *)0); |
---|
1361 | return tempList; |
---|
1362 | } |
---|
1363 | |
---|
1364 | first, get a list of disjunctLists (which should be conjoin together |
---|
1365 | to form a cartesian product |
---|
1366 | |
---|
1367 | conjunctList = lsCreate(); |
---|
1368 | tempSet = LtlSetNew(size); |
---|
1369 | for (i=0; i<size; i++) { |
---|
1370 | if (LtlSetGetElt(compositeLabel, i)) { |
---|
1371 | if (Ctlsp_LtlFormulaIsAtomicPropositional(tableau->labelTable[i])) |
---|
1372 | LtlSetSetElt(tempSet, i); |
---|
1373 | else { |
---|
1374 | disjunctList = GetCubes_Aux(A, i); |
---|
1375 | lsNewEnd(conjunctList, (lsGeneric)disjunctList, (lsHandle *)0); |
---|
1376 | } |
---|
1377 | } |
---|
1378 | } |
---|
1379 | if (LtlSetIsEmpty(tempSet)) |
---|
1380 | LtlSetFree(tempSet); |
---|
1381 | else { |
---|
1382 | disjunctList = lsCreate(); |
---|
1383 | lsNewEnd(disjunctList, (lsGeneric)tempSet, (lsHandle *)0); |
---|
1384 | lsNewBegin(conjunctList, (lsGeneric)disjunctList, (lsHandle *)0); |
---|
1385 | } |
---|
1386 | |
---|
1387 | |
---|
1388 | compute the cartesian product of the conjuncts |
---|
1389 | while(lsLength(conjunctList)>1) { |
---|
1390 | lsList thisList; |
---|
1391 | lsList leftList; |
---|
1392 | lsList rightList; |
---|
1393 | |
---|
1394 | lsDelBegin(conjunctList, (lsGeneric *)&leftList); |
---|
1395 | lsDelBegin(conjunctList, (lsGeneric *)&rightList); |
---|
1396 | form the cartesian product of the two lists |
---|
1397 | thisList = lsCreate(); |
---|
1398 | lsForEachItem(leftList, lsgen, tempSet) { |
---|
1399 | lsForEachItem(rightList, lsgen2, tempSet2) { |
---|
1400 | tempSet3 = LtlSetNew(size); |
---|
1401 | LtlSetOR(tempSet3, tempSet, tempSet2); |
---|
1402 | |
---|
1403 | if (0) |
---|
1404 | fprintf(vis_stdout, |
---|
1405 | "tempSet = %d tempSet2 = %d tempSet3 = %d\n", |
---|
1406 | LtlSetIsEmpty(tempSet), |
---|
1407 | LtlSetIsEmpty(tempSet2), |
---|
1408 | LtlSetIsEmpty(tempSet3)); |
---|
1409 | |
---|
1410 | if no contradictory, retain it |
---|
1411 | if (LtlSetIsContradictory(tempSet3,tableau->labelTableNegate)) |
---|
1412 | LtlSetFree(tempSet3); |
---|
1413 | else |
---|
1414 | lsNewEnd(thisList, (lsGeneric)tempSet3, (lsHandle *)0); |
---|
1415 | } |
---|
1416 | } |
---|
1417 | lsDestroy(leftList, (void (*)(lsGeneric))LtlSetFree); |
---|
1418 | lsDestroy(rightList, (void (*)(lsGeneric))LtlSetFree); |
---|
1419 | |
---|
1420 | lsNewBegin(conjunctList, (lsGeneric)thisList, (lsHandle *)0); |
---|
1421 | } |
---|
1422 | |
---|
1423 | lsDelBegin(conjunctList, (lsGeneric *)&tempList); |
---|
1424 | lsDestroy(conjunctList, (void(*)(lsGeneric))0); |
---|
1425 | |
---|
1426 | remove redundant minterms from 'tempList' |
---|
1427 | tempList3 = lsCreate(); |
---|
1428 | tempList2 = lsCopy(tempList, (lsGeneric(*)(lsGeneric))0); |
---|
1429 | lsForEachItem(tempList, lsgen, tempSet) { |
---|
1430 | If tempSet is a superset of other cubes, discard it |
---|
1431 | int flag = 1; |
---|
1432 | lsForEachItem(tempList2, lsgen2, tempSet2) { |
---|
1433 | if (tempSet != tempSet2 && LtlSetInclude(tempSet, tempSet2)) { |
---|
1434 | flag = 0; |
---|
1435 | lsFinish(lsgen2); |
---|
1436 | break; |
---|
1437 | } |
---|
1438 | } |
---|
1439 | if (!flag) continue; |
---|
1440 | If tempSet is an "emptyset" (for example, comtains both |
---|
1441 | signal=0 and signal=1, where signal has only these two |
---|
1442 | values), discard it |
---|
1443 | |
---|
1444 | flag = 1; |
---|
1445 | if (network != NIL(Ntk_Network_t)) { |
---|
1446 | Fsm_Fsm_t *fsm = Fsm_NetworkReadOrCreateFsm(network); |
---|
1447 | if (fsm != NIL(Fsm_Fsm_t)) { |
---|
1448 | mdd_t *minterm = LtlSetModelCheckFormulae(tempSet, |
---|
1449 | A->labelTable, |
---|
1450 | fsm); |
---|
1451 | flag = !(mdd_is_tautology(minterm, 0)); |
---|
1452 | mdd_free(minterm); |
---|
1453 | } |
---|
1454 | } |
---|
1455 | if (!flag) continue; |
---|
1456 | otherwise, save a copy into tempList3 |
---|
1457 | lsNewBegin(tempList3, (lsGeneric)LtlSetCopy(tempSet), (lsHandle *)0); |
---|
1458 | } |
---|
1459 | lsDestroy(tempList2, (void(*)(lsGeneric))0); |
---|
1460 | lsDestroy(tempList, (void (*)(lsGeneric))LtlSetFree); |
---|
1461 | tempList = tempList3; |
---|
1462 | |
---|
1463 | return tempList; |
---|
1464 | } |
---|
1465 | */ |
---|
1466 | |
---|
1467 | /**Function******************************************************************** |
---|
1468 | |
---|
1469 | Synopsis [Given a index in A->tableau->labelTable, return a list of label |
---|
1470 | (each of which is a cube.] |
---|
1471 | |
---|
1472 | Description [The formula A->tableau->labelTable[index] can be any |
---|
1473 | combination of !, + , *.] |
---|
1474 | |
---|
1475 | SideEffects [] |
---|
1476 | |
---|
1477 | ******************************************************************************/ |
---|
1478 | static lsList |
---|
1479 | GetCubes_Aux( |
---|
1480 | Ltl_Automaton_t *A, |
---|
1481 | int index) |
---|
1482 | { |
---|
1483 | Ctlsp_Formula_t *F = A->tableau->labelTable[index]; |
---|
1484 | int size = A->tableau->labelIndex; |
---|
1485 | lsList leftList; |
---|
1486 | lsList rightList; |
---|
1487 | lsList thisList =(lsList)0; |
---|
1488 | lsGen lsgen, lsgen2; |
---|
1489 | LtlSet_t *tempSet, *tempSet2, *tempSet3; |
---|
1490 | |
---|
1491 | if (Ctlsp_LtlFormulaIsAtomicPropositional(F)) { |
---|
1492 | thisList = lsCreate(); |
---|
1493 | tempSet = LtlSetNew(size); |
---|
1494 | LtlSetSetElt(tempSet, Ctlsp_FormulaReadLabelIndex(F)); |
---|
1495 | lsNewEnd(thisList, (lsGeneric)tempSet, (lsHandle *)0); |
---|
1496 | }else { |
---|
1497 | Ctlsp_Formula_t *F_left = Ctlsp_FormulaReadLeftChild(F); |
---|
1498 | Ctlsp_Formula_t *F_right = Ctlsp_FormulaReadRightChild(F); |
---|
1499 | |
---|
1500 | switch(Ctlsp_FormulaReadType(F)) { |
---|
1501 | case Ctlsp_OR_c: |
---|
1502 | leftList = GetCubes_Aux(A, Ctlsp_FormulaReadLabelIndex(F_left)); |
---|
1503 | rightList = GetCubes_Aux(A, Ctlsp_FormulaReadLabelIndex(F_right)); |
---|
1504 | /* merge two list together */ |
---|
1505 | thisList = leftList; |
---|
1506 | lsForEachItem(rightList, lsgen, tempSet) { |
---|
1507 | lsNewEnd(thisList, (lsGeneric)tempSet, (lsHandle *)0); |
---|
1508 | } |
---|
1509 | lsDestroy(rightList, (void (*)(lsGeneric))0); |
---|
1510 | break; |
---|
1511 | case Ctlsp_AND_c: |
---|
1512 | leftList = GetCubes_Aux(A, Ctlsp_FormulaReadLabelIndex(F_left)); |
---|
1513 | rightList = GetCubes_Aux(A, Ctlsp_FormulaReadLabelIndex(F_right)); |
---|
1514 | /* generate the cartesian product of the two lists */ |
---|
1515 | thisList = lsCreate(); |
---|
1516 | lsForEachItem(leftList, lsgen, tempSet) { |
---|
1517 | lsForEachItem(rightList, lsgen2, tempSet2) { |
---|
1518 | tempSet3 = LtlSetNew(size); |
---|
1519 | LtlSetOR(tempSet3, tempSet, tempSet2); |
---|
1520 | lsNewEnd(thisList, (lsGeneric)tempSet3, (lsHandle *)0); |
---|
1521 | } |
---|
1522 | } |
---|
1523 | lsDestroy(leftList, (void (*)(lsGeneric))LtlSetFree); |
---|
1524 | lsDestroy(rightList, (void (*)(lsGeneric))LtlSetFree); |
---|
1525 | break; |
---|
1526 | default: |
---|
1527 | assert(0); |
---|
1528 | break; |
---|
1529 | } |
---|
1530 | } |
---|
1531 | |
---|
1532 | return thisList; |
---|
1533 | } |
---|
1534 | |
---|
1535 | |
---|
1536 | /**Function******************************************************************** |
---|
1537 | |
---|
1538 | Synopsis [Given a string, do the following replacement.] |
---|
1539 | |
---|
1540 | Description [ |
---|
1541 | = => == |
---|
1542 | + => || |
---|
1543 | * => && |
---|
1544 | . => _ |
---|
1545 | < => _ |
---|
1546 | > => _ ] |
---|
1547 | |
---|
1548 | SideEffects [The caller should free the result] |
---|
1549 | |
---|
1550 | ******************************************************************************/ |
---|
1551 | static char * |
---|
1552 | StringNormalize( |
---|
1553 | char *inputString) |
---|
1554 | { |
---|
1555 | char *normalString = ALLOC(char, strlen(inputString)*2); |
---|
1556 | char *from = inputString; |
---|
1557 | char *to = normalString; |
---|
1558 | |
---|
1559 | while( *from ) { |
---|
1560 | switch(*from) { |
---|
1561 | case '=': |
---|
1562 | *(to++) = '='; |
---|
1563 | *(to) = '='; |
---|
1564 | break; |
---|
1565 | case '+': |
---|
1566 | *(to++) = '|'; |
---|
1567 | *(to) = '|'; |
---|
1568 | break; |
---|
1569 | case '*': |
---|
1570 | *(to++) = '&'; |
---|
1571 | *(to) = '&'; |
---|
1572 | break; |
---|
1573 | case '.': |
---|
1574 | case '<': |
---|
1575 | case '>': |
---|
1576 | *(to) = '_'; |
---|
1577 | break; |
---|
1578 | default: |
---|
1579 | *(to) = *from; |
---|
1580 | } |
---|
1581 | from++; |
---|
1582 | to++; |
---|
1583 | } |
---|
1584 | *to = '\0'; |
---|
1585 | |
---|
1586 | return normalString; |
---|
1587 | } |
---|
1588 | |
---|
1589 | /**Function******************************************************************** |
---|
1590 | |
---|
1591 | Synopsis [Create the "label" signal in blif_mv format and print out.] |
---|
1592 | |
---|
1593 | Description [Assume that the label is a propositional formula with *, +, !. |
---|
1594 | * |
---|
1595 | * For Ctlsp_ID_c/Ctlsp_NOT_c: |
---|
1596 | * .table in1 n1_##_label$AUT |
---|
1597 | * !(RED) 1 |
---|
1598 | * For Ctlsp_AND_c: |
---|
1599 | * .table n1_#1_label$AUT n1_#2_label$AUT n1_##_label$AUT |
---|
1600 | * 1 1 1 |
---|
1601 | * For Ctlsp_OR_c: |
---|
1602 | * .table n1_#1_label$AUT n1_#2_label$AUT n1_##_label$AUT |
---|
1603 | * 1 - 1 |
---|
1604 | * - 1 1 |
---|
1605 | ] |
---|
1606 | |
---|
1607 | SideEffects [] |
---|
1608 | |
---|
1609 | ******************************************************************************/ |
---|
1610 | static void |
---|
1611 | AutomatonVtxLabelToBlifMv( |
---|
1612 | FILE *fp, |
---|
1613 | Ltl_Automaton_t *A, |
---|
1614 | vertex_t *vtx) |
---|
1615 | { |
---|
1616 | /* each 'compLabel' is a "propositional formulae" */ |
---|
1617 | LtlSet_t *compositeLabel = LtlAutomatonVertexGetLabels(vtx); |
---|
1618 | int idx = Ltl_AutomatonVtxGetNodeIdx(vtx); |
---|
1619 | int size = A->tableau->labelIndex; |
---|
1620 | int i; |
---|
1621 | st_table *CreatedSignals; |
---|
1622 | |
---|
1623 | if (LtlSetIsEmpty(compositeLabel)) { |
---|
1624 | fprintf(fp, "\n.table n%d_label$AUT\n1\n", idx); |
---|
1625 | return; |
---|
1626 | } |
---|
1627 | |
---|
1628 | /* first, we should create the signals for each subformula */ |
---|
1629 | CreatedSignals = st_init_table(st_ptrcmp, st_ptrhash); |
---|
1630 | for (i=0; i<size; i++) { |
---|
1631 | if (LtlSetGetElt(compositeLabel, i)) |
---|
1632 | VtxLabelToBlifMv_Aux(fp, A, idx, i, CreatedSignals); |
---|
1633 | } |
---|
1634 | st_free_table(CreatedSignals); |
---|
1635 | |
---|
1636 | /* the label signal is the AND or all the conjuncts */ |
---|
1637 | fprintf(fp, "\n.table "); |
---|
1638 | for (i=0; i<size; i++) { |
---|
1639 | if (LtlSetGetElt(compositeLabel, i)) |
---|
1640 | fprintf(fp, "n%d_%d_label$AUT ", idx, i); |
---|
1641 | } |
---|
1642 | fprintf(fp, " -> n%d_label$AUT\n.default 0\n", idx); |
---|
1643 | for (i=0; i<size; i++) { |
---|
1644 | if (LtlSetGetElt(compositeLabel, i)) |
---|
1645 | fprintf(fp, "1 "); |
---|
1646 | } |
---|
1647 | fprintf(fp, "1\n"); |
---|
1648 | |
---|
1649 | } |
---|
1650 | |
---|
1651 | /**Function******************************************************************** |
---|
1652 | |
---|
1653 | Synopsis [Create the "label" signal in blif_mv format and print out.] |
---|
1654 | |
---|
1655 | Description [Assume that "i" is the index in the label table] |
---|
1656 | |
---|
1657 | SideEffects [] |
---|
1658 | |
---|
1659 | ******************************************************************************/ |
---|
1660 | static void |
---|
1661 | VtxLabelToBlifMv_Aux( |
---|
1662 | FILE *fp, |
---|
1663 | Ltl_Automaton_t *A, |
---|
1664 | int node_idx, |
---|
1665 | int index, |
---|
1666 | st_table *CreatedSignals) |
---|
1667 | { |
---|
1668 | Ctlsp_Formula_t *F = A->tableau->labelTable[index]; |
---|
1669 | Ctlsp_Formula_t *F_left, *F_right; |
---|
1670 | int l_index, r_index; |
---|
1671 | |
---|
1672 | if (st_is_member(CreatedSignals, F)) |
---|
1673 | return; |
---|
1674 | else |
---|
1675 | st_insert(CreatedSignals, F, (char *)0); |
---|
1676 | |
---|
1677 | switch(Ctlsp_FormulaReadType(F)) { |
---|
1678 | case Ctlsp_ID_c: |
---|
1679 | fprintf(fp, "\n.table %s -> n%d_%d_label$AUT\n.default 0\n%s 1", |
---|
1680 | (char *)Ctlsp_FormulaReadVariableName(F), |
---|
1681 | node_idx, index, |
---|
1682 | (char *)Ctlsp_FormulaReadValueName(F)); |
---|
1683 | break; |
---|
1684 | case Ctlsp_NOT_c: |
---|
1685 | F_left = Ctlsp_FormulaReadLeftChild(F); |
---|
1686 | fprintf(fp, "\n.table %s -> n%d_%d_label$AUT\n.default 1\n%s 0", |
---|
1687 | (char *)Ctlsp_FormulaReadVariableName(F_left), |
---|
1688 | node_idx, index, |
---|
1689 | (char *)Ctlsp_FormulaReadValueName(F_left)); |
---|
1690 | break; |
---|
1691 | case Ctlsp_AND_c: |
---|
1692 | F_left = Ctlsp_FormulaReadLeftChild(F); |
---|
1693 | F_right = Ctlsp_FormulaReadRightChild(F); |
---|
1694 | l_index = Ctlsp_FormulaReadLabelIndex(F_left); |
---|
1695 | r_index = Ctlsp_FormulaReadLabelIndex(F_right); |
---|
1696 | VtxLabelToBlifMv_Aux(fp, A, node_idx, l_index, CreatedSignals); |
---|
1697 | VtxLabelToBlifMv_Aux(fp, A, node_idx, r_index, CreatedSignals); |
---|
1698 | fprintf(fp,"\n.table n%d_%d_label$AUT n%d_%d_label$AUT -> n%d_%d_label$AUT\n.default 0\n1 1 1", |
---|
1699 | node_idx, l_index, |
---|
1700 | node_idx, r_index, |
---|
1701 | node_idx, index); |
---|
1702 | break; |
---|
1703 | case Ctlsp_OR_c: |
---|
1704 | F_left = Ctlsp_FormulaReadLeftChild(F); |
---|
1705 | F_right = Ctlsp_FormulaReadRightChild(F); |
---|
1706 | l_index = Ctlsp_FormulaReadLabelIndex(F_left); |
---|
1707 | r_index = Ctlsp_FormulaReadLabelIndex(F_right); |
---|
1708 | VtxLabelToBlifMv_Aux(fp, A, node_idx, l_index, CreatedSignals); |
---|
1709 | VtxLabelToBlifMv_Aux(fp, A, node_idx, r_index, CreatedSignals); |
---|
1710 | fprintf(fp, |
---|
1711 | "\n.table n%d_%d_label$AUT n%d_%d_label$AUT -> n%d_%d_label$AUT\n.default 0\n1 - 1\n- 1 1", |
---|
1712 | node_idx, l_index, |
---|
1713 | node_idx, r_index, |
---|
1714 | node_idx, index); |
---|
1715 | break; |
---|
1716 | default: |
---|
1717 | fail("unkown formula type"); |
---|
1718 | } |
---|
1719 | } |
---|
1720 | |
---|
1721 | |
---|
1722 | |
---|