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Internals: Refactor to create VCMethod (#3715). No functional change intended.

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This commit is contained in:
Wilson Snyder
2025-09-27 08:22:17 -04:00
parent 89cd5417ef
commit 3b623dc12e
20 changed files with 467 additions and 244 deletions
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src/V3Timing.cpp
+13 -12
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@@ -543,7 +543,7 @@ class TimingControlVisitor final : public VNVisitor {
FileLine* const flp = m_scopeTopp->fileline();
auto* const awaitingCurrentTimep
= new AstCMethodHard{flp, new AstVarRef{flp, getCreateDelayScheduler(), VAccess::READ},
"awaitingCurrentTime"};
VCMethod::SCHED_AWAITING_CURRENT_TIME};
awaitingCurrentTimep->dtypeSetBit();
m_delaySensesp
= new AstSenTree{flp, new AstSenItem{flp, VEdgeType::ET_TRUE, awaitingCurrentTimep}};
@@ -566,7 +566,7 @@ class TimingControlVisitor final : public VNVisitor {
FileLine* const flp = m_scopeTopp->fileline();
auto* const awaitingCurrentTimep = new AstCMethodHard{
flp, new AstVarRef{flp, getCreateDynamicTriggerScheduler(), VAccess::READ},
"evaluate"};
VCMethod::SCHED_EVALUATE};
awaitingCurrentTimep->dtypeSetBit();
m_dynamicSensesp
= new AstSenTree{flp, new AstSenItem{flp, VEdgeType::ET_TRUE, awaitingCurrentTimep}};
@@ -712,7 +712,7 @@ class TimingControlVisitor final : public VNVisitor {
void addForkDone(AstBegin* const beginp, AstVarScope* const forkVscp) const {
FileLine* const flp = beginp->fileline();
auto* const donep = new AstCMethodHard{
beginp->fileline(), new AstVarRef{flp, forkVscp, VAccess::WRITE}, "done"};
beginp->fileline(), new AstVarRef{flp, forkVscp, VAccess::WRITE}, VCMethod::FORK_DONE};
donep->dtypeSetVoid();
addDebugInfo(donep);
beginp->addStmtsp(donep->makeStmt());
@@ -735,13 +735,13 @@ class TimingControlVisitor final : public VNVisitor {
if (forkp->joinType().joinAny()) joinCount = 1;
// Set the join counter
auto* const initp = new AstCMethodHard{flp, new AstVarRef{flp, forkVscp, VAccess::WRITE},
"init", new AstConst{flp, joinCount}};
VCMethod::FORK_INIT, new AstConst{flp, joinCount}};
initp->dtypeSetVoid();
addProcessInfo(initp);
forkp->addHereThisAsNext(initp->makeStmt());
// Await the join at the end
auto* const joinp
= new AstCMethodHard{flp, new AstVarRef{flp, forkVscp, VAccess::WRITE}, "join"};
auto* const joinp = new AstCMethodHard{flp, new AstVarRef{flp, forkVscp, VAccess::WRITE},
VCMethod::FORK_JOIN};
joinp->dtypeSetVoid();
addProcessInfo(joinp);
addDebugInfo(joinp);
@@ -884,7 +884,8 @@ class TimingControlVisitor final : public VNVisitor {
}
// Replace self with a 'co_await dlySched.delay(<valuep>)'
AstCMethodHard* const delayMethodp = new AstCMethodHard{
flp, new AstVarRef{flp, getCreateDelayScheduler(), VAccess::WRITE}, "delay", valuep};
flp, new AstVarRef{flp, getCreateDelayScheduler(), VAccess::WRITE},
VCMethod::SCHED_DELAY, valuep};
delayMethodp->dtypeSetVoid();
addProcessInfo(delayMethodp);
addDebugInfo(delayMethodp);
@@ -922,7 +923,7 @@ class TimingControlVisitor final : public VNVisitor {
// call
auto* const evalMethodp = new AstCMethodHard{
flp, new AstVarRef{flp, getCreateDynamicTriggerScheduler(), VAccess::WRITE},
"evaluation"};
VCMethod::SCHED_EVALUATION};
evalMethodp->dtypeSetVoid();
addProcessInfo(evalMethodp);
auto* const sentreep = nodep->sentreep();
@@ -954,21 +955,21 @@ class TimingControlVisitor final : public VNVisitor {
// If it was, a call to the scheduler's evaluate() will return true
AstCMethodHard* const anyTriggeredMethodp = new AstCMethodHard{
flp, new AstVarRef{flp, getCreateDynamicTriggerScheduler(), VAccess::WRITE},
"anyTriggered", new AstVarRef{flp, trigvscp, VAccess::READ}};
VCMethod::SCHED_ANY_TRIGGERED, new AstVarRef{flp, trigvscp, VAccess::READ}};
anyTriggeredMethodp->dtypeSetVoid();
loopp->addStmtsp(anyTriggeredMethodp->makeStmt());
// If the post update is destructive (e.g. event vars are cleared), create an await for
// the post update step
if (destructivePostUpdate(sentreep)) {
AstCAwait* const awaitPostUpdatep = awaitEvalp->cloneTree(false);
VN_AS(awaitPostUpdatep->exprp(), CMethodHard)->name("postUpdate");
VN_AS(awaitPostUpdatep->exprp(), CMethodHard)->method(VCMethod::SCHED_POST_UPDATE);
loopp->addStmtsp(awaitPostUpdatep->makeStmt());
}
// Put the post updates at the end of the loop
for (AstNodeStmt* const stmtp : senResults.m_postUpdates) loopp->addStmtsp(stmtp);
// Finally, await the resumption step in 'act'
AstCAwait* const awaitResumep = awaitEvalp->cloneTree(false);
VN_AS(awaitResumep->exprp(), CMethodHard)->name("resumption");
VN_AS(awaitResumep->exprp(), CMethodHard)->method(VCMethod::SCHED_RESUMPTION);
AstNode::addNext<AstNodeStmt, AstNodeStmt>(loopp, awaitResumep->makeStmt());
// Replace the event control with the loop
nodep->replaceWith(loopp);
@@ -979,7 +980,7 @@ class TimingControlVisitor final : public VNVisitor {
// Replace self with a 'co_await trigSched.trigger()'
auto* const triggerMethodp = new AstCMethodHard{
flp, new AstVarRef{flp, getCreateTriggerSchedulerp(sentreep), VAccess::WRITE},
"trigger"};
VCMethod::SCHED_TRIGGER};
triggerMethodp->dtypeSetVoid();
// If it should be committed immediately, pass true, otherwise false
triggerMethodp->addPinsp(nodep->user2() ? new AstConst{flp, AstConst::BitTrue{}}