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