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Resolve forward references for %fork.

This commit is contained in:
steve 2001-04-18 05:03:49 +00:00
parent 9e8005f7b7
commit 3194b0c53a
1 changed files with 18 additions and 41 deletions
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59
vvp/compile.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: compile.cc,v 1.35 2001/04/18 04:21:23 steve Exp $"
#ident "$Id: compile.cc,v 1.36 2001/04/18 05:03:49 steve Exp $"
#endif
# include "compile.h"
@ -601,7 +601,14 @@ void compile_fork(char*label, struct symb_s dest, struct symb_s scope)
/* Figure out the target PC. */
tmp = sym_get_value(sym_codespace, dest.text);
code->fork->cptr = tmp.num;
assert(code->fork->cptr);
if (code->fork->cptr == 0) {
struct cresolv_list_s*res = new cresolv_list_s;
res->cp = code;
res->lab = dest.text;
res->next = cresolv_list;
cresolv_list = res;
dest.text = 0;
}
/* Figure out the target SCOPE. */
vpiHandle sh = compile_vpi_lookup(scope.text);
@ -798,7 +805,12 @@ void compile_cleanup(void)
vvp_cpoint_t tmp = val.num;
if (tmp != 0) {
res->cp->cptr = tmp;
/* Resolved the reference. If this is a %fork,
then handle it slightly differently. */
if (res->cp->opcode == of_FORK)
res->cp->fork->cptr = tmp;
else
res->cp->cptr = tmp;
free(res->lab);
} else {
@ -828,6 +840,9 @@ void compile_dump(FILE*fd)
/*
* $Log: compile.cc,v $
* Revision 1.36 2001/04/18 05:03:49 steve
* Resolve forward references for %fork.
*
* Revision 1.35 2001/04/18 04:21:23 steve
* Put threads into scopes.
*
@ -896,43 +911,5 @@ void compile_dump(FILE*fd)
*
* Revision 1.13 2001/03/25 00:35:35 steve
* Add the .net statement.
*
* Revision 1.12 2001/03/23 02:40:22 steve
* Add the :module header statement.
*
* Revision 1.11 2001/03/22 22:38:13 steve
* Detect undefined system tasks at compile time.
*
* Revision 1.10 2001/03/22 05:28:41 steve
* Add code label forward references.
*
* Revision 1.9 2001/03/22 05:08:00 steve
* implement %load, %inv, %jum/0 and %cmp/u
*
* Revision 1.8 2001/03/21 05:13:03 steve
* Allow var objects as vpiHandle arguments to %vpi_call.
*
* Revision 1.7 2001/03/20 06:16:24 steve
* Add support for variable vectors.
*
* Revision 1.6 2001/03/18 04:35:18 steve
* Add support for string constants to VPI.
*
* Revision 1.5 2001/03/18 00:37:55 steve
* Add support for vpi scopes.
*
* Revision 1.4 2001/03/16 01:44:34 steve
* Add structures for VPI support, and all the %vpi_call
* instruction. Get linking of VPI modules to work.
*
* Revision 1.3 2001/03/11 23:06:49 steve
* Compact the vvp_code_s structure.
*
* Revision 1.2 2001/03/11 22:42:11 steve
* Functor values and propagation.
*
* Revision 1.1 2001/03/11 00:29:38 steve
* Add the vvp engine to cvs.
*
*/