source: vis_dev/vis-2.3/src/hrc/hrcInt.h @ 46

Last change on this file since 46 was 14, checked in by cecile, 13 years ago

vis2.3
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[14]1/**CHeaderFile*****************************************************************
2
3  FileName    [hrcInt.h]
4
5  PackageName [hrc]
6
7  Synopsis    [The internal declarations needed for the hierarchy]
8
9  Description [This file contains the definitions of important structures
10               needed for defining the hierarchy.]
11
12  SeeAlso     [hrc.h]
13
14  Author      [Yuji Kukimoto, Shaz Qadeer]
15
16  Copyright   [Copyright (c) 1994-1996 The Regents of the Univ. of California.
17  All rights reserved.
18
19  Permission is hereby granted, without written agreement and without license
20  or royalty fees, to use, copy, modify, and distribute this software and its
21  documentation for any purpose, provided that the above copyright notice and
22  the following two paragraphs appear in all copies of this software.
23
24  IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
25  DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
26  OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
27  CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29  THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
30  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31  FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS ON AN
32  "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO PROVIDE
33  MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.]
34
35  Revision    [$Id: hrcInt.h,v 1.2 2001/03/12 22:28:29 jinh Exp $]
36
37******************************************************************************/
38
39#ifndef _HRCINT
40#define _HRCINT
41 
42#include "hrc.h"
43#include "cmd.h"
44#include <string.h>
45
46/*---------------------------------------------------------------------------*/
47/* Constant declarations                                                     */
48/*---------------------------------------------------------------------------*/
49
50/*---------------------------------------------------------------------------*/
51/* Type declarations                                                         */
52/*---------------------------------------------------------------------------*/
53
54/*---------------------------------------------------------------------------*/
55/* Stucture declarations                                                     */
56/*---------------------------------------------------------------------------*/
57
58/**Enum************************************************************************
59
60  Synopsis    [Types of components present in a circuit.]
61
62******************************************************************************/
63typedef enum {
64  HrcLatch_c,             /* component is a latch */
65  HrcSubckt_c,            /* component is a subckt */
66  HrcUndef_c              /* component is an arbitrary gate */
67} HrcCktComponentType;
68
69/**Struct**********************************************************************
70
71  Synopsis    [Structure to store uninterpreted application info.]
72
73  SeeAlso     [Hrc_NodeAddApplInfo()]
74
75******************************************************************************/
76typedef struct ApplInfoStruct {
77  Hrc_ApplInfoFreeFn  freeFn;  /* application function to free data */
78  Hrc_ApplInfoChangeFn changeFn; /* application function to change data */
79  void               *data;    /* application data */
80} ApplInfo_t;
81
82/**Struct**********************************************************************
83
84  Synopsis    [Definition of a hierarchy manager]
85
86  Description [rootNode is a pointer to the root node of the hierarchy tree.
87               It corresponds to the instantiation of the root model in a
88               blifmv file. currentNode points to the current position in
89               the hierarchy. This pointer is initialized to root node. Its
90               value changes whenever the cd command for changing the
91               hierarchical level is used. modelTable contains all the
92               defined models.]
93
94  SeeAlso     []
95
96******************************************************************************/
97struct HrcManagerStruct {
98  Hrc_Node_t *rootNode;   /* pointer to root Hrc_Node_t */
99  Hrc_Node_t *currentNode;/* pointer to current Hrc_Node_t */
100  st_table *modelTable;   /* hash table from model name(char *)
101                           * to model (Hrc_Model_t *) */
102};
103
104/**Struct**********************************************************************
105
106  Synopsis    [Definition of a model]
107
108  Description [hrcNode is a pointer to a the master node of the model. The
109               master node contains information about all the elements in
110               the model. subcktTable contains all information about the
111               various instantiations of other models from within the model.]
112
113  SeeAlso     [HrcNodeStruct, HrcSubcktStruct]
114
115******************************************************************************/
116struct HrcModelStruct {
117  char *modelName;           /* unique model name */
118  Hrc_Node_t *masterNode;       /* pointer to the master hrcNode of a model */
119  st_table *subcktTable;     /* hash table from instance name (char *) of
120                              * model being called to subckt (Hrc_Subckt_t *)*/
121};
122
123/**Struct**********************************************************************
124
125  Synopsis    [Definition of a sub-circuit]
126
127  Description [A subckt is created whenever a model instantiates another. The
128               two arrays actualInputVars and actualOutputVars map contain
129               the variables used to refer to the I/O pins of the instantiated
130               model.]
131
132  SeeAlso     [HrcModelStruct]
133
134******************************************************************************/
135struct HrcSubcktStruct {
136  Hrc_Model_t *model;       /* the subckt resulted from an instantiation of
137                             * this model */
138  char *instanceName;       /* name by which the instantiation took place */
139  array_t *actualInputVars; /* array of actual input variable pointers
140                             * Var_Variable_t *'s */
141  array_t *actualOutputVars;/* array of actual output variable pointers
142                             * Var_Variable_t *'s */
143};
144
145/**Struct**********************************************************************
146
147  Synopsis    [Definition of a node in the hierarchy tree]
148
149  Description [This structure forms the basic unit of the hierarchy tree.
150               Note that the elements of arrays formalInputs and actualInputs,
151               and formalOutputs and actualOutputs are in one to one
152               correspondence.]
153
154  SeeAlso     [HrcModelStruct]
155
156******************************************************************************/
157struct HrcNodeStruct {
158  Hrc_Manager_t *manager;    /* manager to which this node belongs */
159  char *modelName;           /* corresponding model name */
160  char *instanceName;        /* instance name */
161  Hrc_Node_t *parentNode;    /* pointer to the unique parent node */
162  array_t *formalInputs;     /* formal input symbolic variables
163                              * (Var_Variable_t *) */
164  array_t *formalOutputs;    /* formal output symbolic variables
165                              * (Var_Variable_t *) */
166  array_t *actualInputs;     /* actual connections (Var_Variable_t *) with
167                              * the inputs of parent node */
168  array_t *actualOutputs;    /* actual connections (Var_Variable_t *) with
169                              * the outputs of parent node */ 
170  array_t *nameTables;       /* array of Tbl_Table_t *'s corresponding
171                              * to .names in the blifmv file */
172  st_table *childTable;      /* hash table from child instance name (char *)
173                              * to child (Hrc_Node_t *) */
174  st_table *latchTable;      /* hash table from name of output of latch
175                              * (char *)  to latch (Hrc_Latch_t *) */
176  st_table *varTable;        /* hash table from symbolic variable name
177                              * (char *) to (Var_Variable_t *) */
178  st_table *applInfoTable;   /* hash table for application specific
179                                information from (char *) to (ApplInfo_t *) */ 
180  void *undef;               /* for programmer's use */
181};
182
183/**Struct**********************************************************************
184
185  Synopsis    [Definition of a latch]
186
187  Description []
188
189  SeeAlso     []
190
191******************************************************************************/
192struct HrcLatchStruct {
193  Var_Variable_t *latchInput;  /* input of the latch (next state) */
194  Var_Variable_t *latchOutput; /* output of the latch (present state) */
195  Tbl_Table_t *resetTable;     /* pointer to reset table for this latch */
196  void *undef;                 /* for programmer's use */
197};
198
199/*---------------------------------------------------------------------------*/
200/* Variable declarations                                                     */
201/*---------------------------------------------------------------------------*/
202
203
204/*---------------------------------------------------------------------------*/
205/* Macro declarations                                                        */
206/*---------------------------------------------------------------------------*/
207
208
209/**AutomaticStart*************************************************************/
210
211/*---------------------------------------------------------------------------*/
212/* Function prototypes                                                       */
213/*---------------------------------------------------------------------------*/
214
215EXTERN void HrcNodeFreeRecursively(Hrc_Node_t *node);
216EXTERN void HrcNodeFreeInternalMemory(Hrc_Node_t *node);
217EXTERN Hrc_Node_t * HrcNodeDeleteChild(Hrc_Node_t *node, char *childName);
218
219/**AutomaticEnd***************************************************************/
220
221#endif /* _HRCINT */
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