luke
/
iverilog
mirror of https://github.com/steveicarus/iverilog.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Allow forward references of memories.

This commit is contained in:
steve 2002-09-18 02:55:18 +00:00
parent 5d6567cb02
commit 466656b167
1 changed files with 39 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
vvp/compile.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: compile.cc,v 1.141 2002/09/12 15:49:43 steve Exp $"
#ident "$Id: compile.cc,v 1.142 2002/09/18 02:55:18 steve Exp $"
#endif
# include "arith.h"
@ -463,6 +463,40 @@ void code_label_lookup(struct vvp_code_s *code, char *label)
resolv_submit(res);
}
/*
* Lookup memories.
*/
struct memory_resolv_list_s: public resolv_list_s {
struct vvp_code_s *code;
char *label;
virtual bool resolve(bool mes);
};
bool memory_resolv_list_s::resolve(bool mes)
{
code->mem = memory_find(label);
if (code->mem != 0) {
free(label);
return true;
}
if (mes)
fprintf(stderr, "Memory unresolved: %s\n", label);
return false;
}
static void compile_mem_lookup(struct vvp_code_s *code, char *label)
{
struct memory_resolv_list_s *res
= new struct memory_resolv_list_s;
res->code = code;
res->label = label;
resolv_submit(res);
}
/*
* When parsing is otherwise complete, this function is called to do
* the final stuff. Clean up deferred linking here.
@ -1253,12 +1287,7 @@ void compile_code(char*label, char*mnem, comp_operands_t opa)
break;
}
code->mem = memory_find(opa->argv[idx].symb.text);
if (code->mem == 0) {
yyerror("memory undefined");
}
free(opa->argv[idx].symb.text);
compile_mem_lookup(code, opa->argv[idx].symb.text);
break;
case OA_VPI_PTR:
@ -1450,6 +1479,9 @@ void compile_net(char*label, char*name, int msb, int lsb, bool signed_flag,
/*
* $Log: compile.cc,v $
* Revision 1.142 2002/09/18 02:55:18 steve
* Allow forward references of memories.
*
* Revision 1.141 2002/09/12 15:49:43 steve
* Add support for binary nand operator.
*