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chpgraph.cc
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chpgraph.cc
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/*************************************************************************
*
* Copyright (c) 2024 Rajit Manohar
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
**************************************************************************
*/
#include <stdio.h>
#include "chpsim.h"
int ChpSimGraph::cur_pending_count = 0;
int ChpSimGraph::max_pending_count = 0;
int ChpSimGraph::max_stats = 0;
struct Hashtable *ChpSimGraph::labels = NULL;
/*
*
* Routines to build the CHP simulation graph from the CHP data
* structures
*
*/
ChpSimGraph::ChpSimGraph (ActSimCore *s)
{
state = s;
stmt = NULL;
next = NULL;
all = NULL;
wait = 0;
totidx = 0;
#if 0
printf ("alloc %p\n", this);
#endif
}
void ChpSimGraph::printStmt (FILE *fp, Process *p)
{
act_connection *c;
int dy;
if (!stmt) {
fprintf (fp, "(null)");
return;
}
switch (stmt->type) {
case CHPSIM_FORK:
fprintf (fp, "concur-fork:");
for (int i=0; i < stmt->u.fork; i++) {
if (all[i]) {
fprintf (fp, " ");
all[i]->printStmt (fp, p);
}
}
break;
case CHPSIM_ASSIGN:
fprintf (fp, "assign: ");
if (!p) break;
c = state->getConnFromOffset (p, stmt->u.assign.d.offset,
(stmt->u.assign.isint ? 1 : 0),
&dy);
if (c) {
ActId *t = c->toid();
t->Print (fp);
delete t;
if (dy != -1) { fprintf (fp, "[]"); }
}
else {
fprintf (fp, "-?-");
}
break;
case CHPSIM_SEND:
fprintf (fp, "send: ");
if (!p) break;
c = state->getConnFromOffset (p, stmt->u.sendrecv.chvar, 3, &dy);
if (c) {
ActId *t = c->toid();
t->Print (fp);
delete t;
if (dy != -1) { fprintf (fp, "[]"); }
}
else {
fprintf (fp, "-?-");
}
break;
case CHPSIM_RECV:
fprintf (fp, "recv: ");
if (!p) break;
c = state->getConnFromOffset (p, stmt->u.sendrecv.chvar, 2, &dy);
if (c) {
ActId *t = c->toid();
t->Print (fp);
delete t;
if (dy != -1) { fprintf (fp, "[]"); }
}
else {
fprintf (fp, "-?-");
}
break;
case CHPSIM_FUNC:
fprintf (fp, "func");
break;
case CHPSIM_COND:
fprintf (fp, "cond: ");
break;
case CHPSIM_CONDARB:
fprintf (fp, "cond-arb: ");
break;
case CHPSIM_LOOP:
fprintf (fp, "loop: ");
break;
case CHPSIM_NOP:
fprintf (fp, "nop ");
break;
default:
fatal_error ("What?");
break;
}
}
ChpSimGraph *ChpSimGraph::completed (int pc, int *tot, int *done)
{
*done = 0;
if (!next || (stmt && (stmt->type == CHPSIM_COND || stmt->type == CHPSIM_CONDARB))) {
return NULL;
}
if (next->wait > 0) {
#ifdef DUMP_ALL
printf (" [wt=%d cur=%d{%d}]", next->wait, tot[next->totidx], next->totidx);
#endif
tot[next->totidx]++;
if (next->wait == tot[next->totidx]) {
*done = 1;
tot[next->totidx] = 0;
return next;
}
else {
return NULL;
}
}
else {
return next;
}
}
static Expr *expr_to_chp_expr (Expr *e, ActSimCore *s, int *flags);
static void _free_chp_expr (Expr *e);
static void _free_deref (struct chpsimderef *d)
{
if (d->range) {
for (int i=0; i < d->range->nDims(); i++) {
_free_chp_expr (d->chp_idx[i]);
}
FREE (d->chp_idx);
FREE (d->idx);
}
else {
if (d->idx) {
FREE (d->idx);
}
}
}
static struct chpsimderef *_mk_deref (ActId *id, ActSimCore *s, int *type,
int *width = NULL)
{
struct chpsimderef *d;
Scope *sc = s->cursi()->bnl->cur;
int intype;
ValueIdx *vx = id->rootVx (sc);
Assert (vx->connection(), "What?");
NEW (d, struct chpsimderef);
d->stride = 1;
d->idx = NULL;
d->d = NULL;
d->cx = vx->connection();
/*
If the base is a structure, and we are de-referencing a piece of
it, then we need the offset *into* the structure itself
*/
intype = *type;
d->offset = s->getLocalOffset (vx->connection()->primary(),
s->cursi(), type, &d->width);
if (intype != -1 && TypeFactory::isStructure (vx->t)) {
#if 0
printf ("hi, I'm here, intype=%d\n", intype);
printf ("id: "); id->Print (stdout);
printf ("\n");
#endif
Data *dt = dynamic_cast<Data *> (vx->t->BaseType());
int i_off, b_off;
if (dt->getStructOffsetPair (id->Rest(), &b_off, &i_off) == 0) {
warning ("Illegal offset; how did this happen?");
i_off = 0;
b_off = 0;
}
#if 0
printf ("i-off: %d; b-off: %d\n", i_off, b_off);
#endif
if (intype == 0) {
d->offset += b_off;
*type = 0;
}
else {
d->offset += i_off;
*type = 1;
d->width = intype;
}
dt->getStructCount (&b_off, &i_off);
if (intype == 0) {
d->stride = b_off;
}
else {
d->stride = i_off;
}
#if 0
printf ("offset: %d; stride: %d\n", d->offset, d->stride);
#endif
}
if (width) {
*width = d->width;
}
if (*type == 0) {
d->isbool = 1;
}
else {
d->isbool = 0;
}
d->isenum = 0;
d->range = vx->t->arrayInfo();
Assert (d->range, "What?");
Assert (d->range->nDims() > 0, "What?");
MALLOC (d->idx, int, d->range->nDims());
MALLOC (d->chp_idx, Expr *, d->range->nDims());
/* now convert array deref into a chp array deref! */
for (int i = 0; i < d->range->nDims(); i++) {
int flags = 0;
d->chp_idx[i] = expr_to_chp_expr (id->arrayInfo()->getDeref(i), s, &flags);
d->idx[i] = -1;
}
return d;
}
static struct chpsimderef *
_mk_deref_struct (ActId *id, ActSimCore *s)
{
struct chpsimderef *d = NULL;
Scope *sc = s->cursi()->bnl->cur;
ValueIdx *vx = id->rootVx (sc);
Assert (vx->connection(), "What?");
NEW (d, struct chpsimderef);
d->stride = 1;
d->cx = vx->connection();
d->d = dynamic_cast<Data *> (vx->t->BaseType());
d->isbool = 0;
d->isenum = 0;
Assert (d->d, "what?");
if (!s->getLocalDynamicStructOffset (vx->connection()->primary(),
s->cursi(),
&d->offset, &d->width)) {
fatal_error ("Structure derefence generation failed!");
return NULL;
}
d->range = vx->t->arrayInfo();
Assert (d->range, "What?");
Assert (d->range->nDims() > 0, "What?");
MALLOC (d->idx, int, d->range->nDims());
MALLOC (d->chp_idx, Expr *, d->range->nDims());
/* now convert array deref into a chp array deref! */
for (int i = 0; i < d->range->nDims(); i++) {
int flags = 0;
d->chp_idx[i] = expr_to_chp_expr (id->arrayInfo()->getDeref(i), s, &flags);
d->idx[i] = -1;
}
return d;
}
static void _add_deref_struct (ActSimCore *sc,
ActId *id, Data *d,
struct chpsimderef *ds
)
{
ActId *tmp, *tail;
tail = id;
while (tail->Rest()) {
tail = tail->Rest();
}
for (int i=0; i < d->getNumPorts(); i++) {
InstType *it = d->getPortType (i);
tmp = new ActId (d->getPortName(i));
tail->Append (tmp);
if (it->arrayInfo()) {
Arraystep *as = it->arrayInfo()->stepper();
while (!as->isend()) {
Array *a = as->toArray();
tmp->setArray (a);
if (TypeFactory::isStructure (it)) {
Data *x = dynamic_cast<Data *> (it->BaseType());
Assert (x, "What?");
_add_deref_struct (sc, id, x, ds);
}
else {
ds->idx[ds->offset] = sc->getLocalOffset (id, sc->cursi(),
&ds->idx[ds->offset+1],
&ds->idx[ds->offset+2]);
if (TypeFactory::isEnum (it)) {
ds->idx[ds->offset+1] = 2;
ds->idx[ds->offset+2] = TypeFactory::enumNum (it);
}
ds->offset += 3;
}
delete a;
as->step();
}
tmp->setArray (NULL);
}
else {
if (TypeFactory::isStructure (it)) {
Data *x = dynamic_cast<Data *> (it->BaseType());
Assert (x, "What?");
_add_deref_struct (sc, id, x, ds);
}
else {
ds->idx[ds->offset] = sc->getLocalOffset (id, sc->cursi(),
&ds->idx[ds->offset+1],
&ds->idx[ds->offset+2]);
if (TypeFactory::isEnum (it)) {
ds->idx[ds->offset+1] = 2;
ds->idx[ds->offset+2] = TypeFactory::enumNum (it);
}
ds->offset += 3;
}
}
tail->prune ();
delete tmp;
}
}
static struct chpsimderef *
_mk_std_deref_struct (ActId *id, Data *d, ActSimCore *s)
{
struct chpsimderef *ds = NULL;
Scope *sc = s->cursi()->bnl->cur;
NEW (ds, struct chpsimderef);
ds->stride = 1;
ds->range = NULL;
ds->idx = NULL;
ds->d = d;
ds->isbool = 0;
ds->isenum = 0;
state_counts ts;
ActStatePass::getStructCount (d, &ts);
ds->offset = 0;
MALLOC (ds->idx, int, 3*(ts.numInts() + ts.numBools()));
_add_deref_struct (s, id, d, ds);
Assert (ds->offset == 3*(ts.numInts() + ts.numBools()), "What?");
ds->cx = id->Canonical (sc);
return ds;
}
/*------------------------------------------------------------------------
* The CHP simulation graph
*------------------------------------------------------------------------
*/
static void _free_chp_expr (Expr *e)
{
if (!e) return;
switch (e->type) {
/* binary */
case E_AND:
case E_OR:
case E_PLUS:
case E_MINUS:
case E_MULT:
case E_DIV:
case E_MOD:
case E_LSL:
case E_LSR:
case E_ASR:
case E_XOR:
case E_LT:
case E_GT:
case E_LE:
case E_GE:
case E_EQ:
case E_NE:
_free_chp_expr (e->u.e.l);
_free_chp_expr (e->u.e.r);
break;
case E_NOT:
case E_UMINUS:
case E_COMPLEMENT:
_free_chp_expr (e->u.e.l);
break;
case E_QUERY:
_free_chp_expr (e->u.e.l);
_free_chp_expr (e->u.e.r->u.e.l);
_free_chp_expr (e->u.e.r->u.e.r);
FREE (e->u.e.r);
break;
case E_COLON:
case E_COMMA:
fatal_error ("Should have been handled elsewhere");
break;
case E_CONCAT:
_free_chp_expr (e->u.e.l);
_free_chp_expr (e->u.e.r);
break;
case E_CHP_BITFIELD:
_free_chp_expr (e->u.e.r->u.e.l);
_free_chp_expr (e->u.e.r->u.e.r);
FREE (e->u.e.r);
{
struct chpsimderef *d;
d = (struct chpsimderef *)e->u.e.l;
_free_deref (d);
FREE (d);
}
break;
case E_TRUE:
case E_FALSE:
case E_INT:
return;
break;
case E_REAL:
break;
case E_CHP_VARBOOL_DEREF:
case E_CHP_VARINT_DEREF:
case E_CHP_VARSTRUCT:
case E_CHP_VARSTRUCT_DEREF:
{
struct chpsimderef *d = (struct chpsimderef *)e->u.e.l;
_free_deref (d);
FREE (d);
}
break;
case E_CHP_VARCHAN:
case E_CHP_VARINT:
case E_CHP_VARBOOL:
break;
case E_PROBEIN:
case E_PROBEOUT:
break;
case E_FUNCTION:
{
Expr *tmp = NULL;
tmp = e->u.fn.r;
while (tmp) {
Expr *x;
_free_chp_expr (tmp->u.e.l);
x = tmp->u.e.r;
FREE (tmp);
tmp = x;
}
}
break;
case E_BUILTIN_INT:
case E_BUILTIN_BOOL:
_free_chp_expr (e->u.e.l);
_free_chp_expr (e->u.e.r);
break;
default:
fatal_error ("Unknown expression type %d\n", e->type);
break;
}
FREE (e);
}
/*
* Record static bitwidths for -, ~, and concat for function
* expressions.
*/
static void fn_expr_bitwidth (Scope *sc, Expr *e, ActSimCore *s)
{
if (!e) return;
switch (e->type) {
/* binary */
case E_AND:
case E_OR:
case E_PLUS:
case E_MINUS:
case E_MULT:
case E_DIV:
case E_MOD:
case E_LSL:
case E_LSR:
case E_ASR:
case E_XOR:
case E_LT:
case E_GT:
case E_LE:
case E_GE:
case E_EQ:
case E_NE:
fn_expr_bitwidth (sc, e->u.e.l, s);
fn_expr_bitwidth (sc, e->u.e.r, s);
if (e->type == E_MINUS) {
phash_bucket_t *b = s->exprWidth (e);
if (!b) {
int width;
b = s->exprAddWidth (e);
act_type_expr (sc, e, &width, 2);
b->i = width;
}
}
break;
case E_NOT:
case E_UMINUS:
case E_COMPLEMENT:
fn_expr_bitwidth (sc, e->u.e.l, s);
{
phash_bucket_t *b;
int width;
act_type_expr (sc, e->u.e.l, &width, 2);
b = s->exprWidth (e->u.e.l);
if (!b) {
b = s->exprAddWidth (e->u.e.l);
b->i = width;
}
}
break;
case E_QUERY:
fn_expr_bitwidth (sc, e->u.e.l, s);
fn_expr_bitwidth (sc, e->u.e.r->u.e.l, s);
fn_expr_bitwidth (sc, e->u.e.r->u.e.r, s);
break;
case E_COLON:
case E_COMMA:
fatal_error ("Should have been handled elsewhere");
break;
case E_CONCAT:
do {
phash_bucket_t *b;
fn_expr_bitwidth (sc, e->u.e.l, s);
b = s->exprWidth (e->u.e.l);
if (!b) {
int width;
b = s->exprAddWidth (e->u.e.l);
act_type_expr (sc, e->u.e.l, &width, 2);
b->i = width;
}
e = e->u.e.r;
} while (e);
break;
case E_BITFIELD:
case E_TRUE:
case E_FALSE:
case E_INT:
case E_REAL:
case E_VAR:
case E_PROBE:
break;
case E_FUNCTION:
{
e = e->u.fn.r;
while (e) {
fn_expr_bitwidth (sc, e->u.e.l, s);
e = e->u.e.r;
}
}
break;
case E_BUILTIN_INT:
case E_BUILTIN_BOOL:
fn_expr_bitwidth (sc, e->u.e.l, s);
fn_expr_bitwidth (sc, e->u.e.r, s);
break;
case E_SELF:
case E_SELF_ACK:
default:
fatal_error ("Unknown expression type %d\n", e->type);
break;
}
}
static void process_func_body_exprs (Function *f, act_chp_lang_t *c, ActSimCore *s)
{
act_chp_gc_t *gc;
if (!c) return;
switch (c->type) {
case ACT_CHP_SEMI:
case ACT_CHP_COMMA:
for (listitem_t *li = list_first (c->u.semi_comma.cmd); li; li = list_next (li)) {
process_func_body_exprs (f, (act_chp_lang_t *) list_value (li), s);
}
break;
case ACT_CHP_SELECT:
case ACT_CHP_SELECT_NONDET:
case ACT_CHP_LOOP:
case ACT_CHP_DOLOOP:
gc = c->u.gc;
if (gc->id) {
fatal_error ("No replication in functions!");
}
while (gc) {
fn_expr_bitwidth (f->CurScope(), gc->g, s);
process_func_body_exprs (f, gc->s, s);
gc = gc->next;
}
break;
case ACT_CHP_SKIP:
break;
case ACT_CHP_SEND:
case ACT_CHP_RECV:
fatal_error ("Functions cannot use send/receive");
break;
case ACT_CHP_FUNC:
if (strcmp (string_char (c->u.func.name), "log") == 0 ||
strcmp (string_char (c->u.func.name), "log_p") == 0 ||
strcmp (string_char (c->u.func.name), "warn") == 0 ||
strcmp (string_char (c->u.func.name), "assert") == 0) {
listitem_t *li;
for (li = list_first (c->u.func.rhs); li; li = list_next (li)) {
act_func_arguments_t *tmp = (act_func_arguments_t *)list_value (li);
if (!tmp->isstring) {
fn_expr_bitwidth (f->CurScope(), tmp->u.e, s);
}
}
}
break;
case ACT_CHP_ASSIGN:
fn_expr_bitwidth (f->CurScope(), c->u.assign.e, s);
break;
default:
fatal_error ("Unknown chp type %d\n", c->type);
break;
}
}
/*
* flags: 0x1 set if probe exists
* 0x2 set if shared variable exists
*/
static Expr *expr_to_chp_expr (Expr *e, ActSimCore *s, int *flags)
{
Expr *ret;
if (!e) return NULL;
NEW (ret, Expr);
ret->type = e->type;
switch (e->type) {
/* binary */
case E_AND:
case E_OR:
case E_PLUS:
case E_MINUS:
case E_MULT:
case E_DIV:
case E_MOD:
case E_LSL:
case E_LSR:
case E_ASR:
case E_XOR:
case E_LT:
case E_GT:
case E_LE:
case E_GE:
case E_EQ:
case E_NE:
ret->u.e.l = expr_to_chp_expr (e->u.e.l, s, flags);
ret->u.e.r = expr_to_chp_expr (e->u.e.r, s, flags);
if (e->type == E_MINUS) {
phash_bucket_t *b = s->exprWidth (ret);
if (!b) {
int width;
b = s->exprAddWidth (ret);
act_type_expr (s->CurScope(), e, &width, 2);
b->i = width;
}
}
break;
case E_NOT:
case E_UMINUS:
case E_COMPLEMENT:
ret->u.e.l = expr_to_chp_expr (e->u.e.l, s, flags);
{
phash_bucket_t *b;
int width;
act_type_expr (s->CurScope(), e->u.e.l, &width, 2);
b = s->exprAddWidth (ret->u.e.l);
b->i = width;
}
break;
case E_QUERY:
ret->u.e.l = expr_to_chp_expr (e->u.e.l, s, flags);
NEW (ret->u.e.r, Expr);
ret->u.e.r->type = e->u.e.r->type;
ret->u.e.r->u.e.l = expr_to_chp_expr (e->u.e.r->u.e.l, s, flags);
ret->u.e.r->u.e.r = expr_to_chp_expr (e->u.e.r->u.e.r, s, flags);
break;
case E_COLON:
case E_COMMA:
fatal_error ("Should have been handled elsewhere");
break;
case E_CONCAT:
{
Expr *tmp;
tmp = ret;
do {
phash_bucket_t *b;
tmp->u.e.l = expr_to_chp_expr (e->u.e.l, s, flags);
b = s->exprWidth (tmp->u.e.l);
if (!b) {
int width;
b = s->exprAddWidth (tmp->u.e.l);
act_type_expr (s->CurScope(), e->u.e.l, &width, 2);
b->i = width;
}
if (e->u.e.r) {
NEW (tmp->u.e.r, Expr);
tmp->u.e.r->type = e->u.e.r->type;
}
else {
tmp->u.e.r = NULL;
}
tmp = tmp->u.e.r;
e = e->u.e.r;
} while (e);
}
break;
case E_BITFIELD:
{
int type;
struct chpsimderef *d;
if (ActBooleanizePass::isDynamicRef (s->cursi()->bnl,
((ActId *)e->u.e.l))) {
type = 1;
d = _mk_deref ((ActId *)e->u.e.l, s, &type);
}
else {
NEW (d, struct chpsimderef);
d->stride = 1;
d->range = NULL;
d->idx = NULL;
d->offset = s->getLocalOffset ((ActId *)e->u.e.l, s->cursi(), &type,
&d->width);
d->cx = ((ActId *)e->u.e.l)->Canonical (s->cursi()->bnl->cur);
d->isbool = 0;
d->isenum = 0;
d->d = NULL;
}
ret->u.e.l = (Expr *) d;
NEW (ret->u.e.r, Expr);
ret->u.e.r->u.e.l = e->u.e.r->u.e.l;
ret->u.e.r->u.e.r = e->u.e.r->u.e.r;
ret->type = E_CHP_BITFIELD;
}
break;
case E_TRUE:
case E_FALSE:
case E_INT:
FREE (ret);
ret = e;
break;
case E_REAL:
ret->u.f = e->u.f;
break;
case E_VAR:
{
int type = -1;
InstType *it = s->cursi()->bnl->cur->FullLookup ((ActId *)e->u.e.l,
NULL);
if (ActBooleanizePass::isDynamicRef (s->cursi()->bnl,
((ActId *)e->u.e.l))) {
if (TypeFactory::isStructure (it)) {
struct chpsimderef *ds = _mk_deref_struct ((ActId *)e->u.e.l, s);
ret->u.e.l = (Expr *) ds;
ret->u.e.r = (Expr *) ds->cx;
ret->type = E_CHP_VARSTRUCT_DEREF;
}
else {
if (TypeFactory::isBaseBoolType (it)) {
type = 0;
}
else {
type = TypeFactory::bitWidth (it);
}
struct chpsimderef *d = _mk_deref ((ActId *)e->u.e.l, s, &type);
ret->u.e.l = (Expr *) d;
ret->u.e.r = (Expr *) d->cx;
if (type == 0) {
ret->type = E_CHP_VARBOOL_DEREF;
}
else {
ret->type = E_CHP_VARINT_DEREF;
}
}
}
else {
int w;
act_boolean_netlist_t *bnl = s->cursi()->bnl;
act_connection *cx = ((ActId *)e->u.e.l)->Canonical (bnl->cur);
/* set potential shared variable flags */
if (cx->isglobal()) {
*flags = *flags | 0x2;
}
for (int i=0; (((*flags) & 0x2) == 0) && i < A_LEN (bnl->ports); i++) {
if (cx == bnl->ports[i].c) {
*flags = *flags | 0x2;
}
}
for (int i=0; (((*flags) & 0x2) == 0) && i < A_LEN (bnl->chpports); i++) {
if (cx == bnl->chpports[i].c) {
*flags = *flags | 0x2;
}
}
for (int i=0; (((*flags) & 0x2) == 0) && i < A_LEN (bnl->instports); i++) {
if (cx == bnl->instports[i]) {
*flags = *flags | 0x2;
}
}
for (int i=0; (((*flags) & 0x2) == 0) && i < A_LEN (bnl->instchpports); i++) {
if (cx == bnl->instchpports[i]) {
*flags = *flags | 0x2;
}
}
if (TypeFactory::isStructure (it)) {
struct chpsimderef *ds;
Data *d = dynamic_cast<Data *>(it->BaseType());
Assert (d, "Hmm");
ds = _mk_std_deref_struct ((ActId *)e->u.e.l, d, s);
ret->u.e.l = (Expr *)ds;
ret->u.e.r = (Expr *)ds->cx;
ret->type = E_CHP_VARSTRUCT;
}
else {
ret->u.x.val = s->getLocalOffset ((ActId *)e->u.e.l, s->cursi(), &type, &w);
ret->u.x.extra = w;
//ret->u.x.extra = (unsigned long) ((ActId *)e->u.e.l)->Canonical (s->cursi()->bnl->cur);
if (type == 2) {
ret->type = E_CHP_VARCHAN;
}
else if (type == 1) {
ret->type = E_CHP_VARINT;
}
else if (type == 0) {
ret->type = E_CHP_VARBOOL;
}
else {
fatal_error ("Channel output variable used in expression?");
}
}
}
}
break;
case E_PROBE:
{
int type;
ret->u.x.val = s->getLocalOffset ((ActId *)e->u.e.l, s->cursi(), &type);
ret->u.x.extra = (unsigned long) ((ActId *)e->u.e.l)->Canonical
(s->cursi()->bnl->cur);
if (type == 2) {
ret->type = E_PROBEIN;
}
else if (type == 3) {
ret->type = E_PROBEOUT;
}
else {
Assert (0, "Probe on a non-channel?");
}
*flags = *flags | 0x1;
}
break;
case E_FUNCTION:
ret->u.fn.s = e->u.fn.s;
ret->u.fn.r = NULL;
{
Expr *tmp = NULL;
e = e->u.fn.r;
while (e) {
if (!tmp) {
NEW (tmp, Expr);
ret->u.fn.r = tmp;
}
else {
NEW (tmp->u.e.r, Expr);
tmp = tmp->u.e.r;
}
tmp->u.e.r = NULL;
tmp->type = e->type;
tmp->u.e.l = expr_to_chp_expr (e->u.e.l, s, flags);
e = e->u.e.r;
}
Function *f = (Function *)ret->u.fn.s;
if (f->getlang() && f->getlang()->getchp()) {
act_chp *chp = f->getlang()->getchp ();
process_func_body_exprs (f, chp->c, s);
}
}
break;