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Generate AstNode accessors via astgen

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Introduce the @astgen directives parsed by astgen, currently used for
the generation child node (operand) accessors. Please see the updated
internal documentation for details.
This commit is contained in:
Geza Lore
2022-09-21 14:05:27 +01:00
parent 72e7271a14
commit 95145038b4
74 changed files with 1427 additions and 1579 deletions
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src/V3Timing.cpp
+16 -16
View File
@@ -161,13 +161,13 @@ private:
if (delayp) {
auto* const delayStmtp = new AstDelay{flp, delayp, nullptr};
stmtp->replaceWith(delayStmtp);
delayStmtp->stmtsp(stmtp);
delayStmtp->addStmtsp(stmtp);
stmtp = delayStmtp;
}
if (auto* const sensesp = VN_CAST(controlp, SenTree)) {
auto* const eventControlp = new AstEventControl{flp, sensesp, nullptr};
stmtp->replaceWith(eventControlp);
eventControlp->stmtsp(stmtp);
eventControlp->addStmtsp(stmtp);
stmtp = eventControlp;
}
return stmtp == nodep ? nullptr : stmtp;
@@ -216,7 +216,7 @@ private:
awaitingCurrentTimep->dtypeSetBit();
m_delaySensesp
= new AstSenTree{flp, new AstSenItem{flp, VEdgeType::ET_TRUE, awaitingCurrentTimep}};
m_netlistp->topScopep()->addSenTreep(m_delaySensesp);
m_netlistp->topScopep()->addSenTreesp(m_delaySensesp);
return m_delaySensesp;
}
// Creates a trigger scheduler variable
@@ -265,10 +265,10 @@ private:
insertBeforep->addHereThisAsNext(varp);
} else {
varp = new AstVar{flp, VVarType::MODULETEMP, name, dtypep};
m_scopep->modp()->addStmtp(varp);
m_scopep->modp()->addStmtsp(varp);
}
AstVarScope* vscp = new AstVarScope{flp, m_scopep, varp};
m_scopep->addVarp(vscp);
m_scopep->addVarsp(vscp);
return vscp;
}
// Add a done() call on the fork sync
@@ -347,9 +347,9 @@ private:
FileLine* const flp = nodep->fileline();
AstSenTree* const sensesp = m_activep->sensesp();
if (sensesp->hasClocked()) {
AstNode* bodysp = nodep->bodysp()->unlinkFrBackWithNext();
AstNode* bodysp = nodep->stmtsp()->unlinkFrBackWithNext();
auto* const controlp = new AstEventControl{flp, sensesp->cloneTree(false), bodysp};
nodep->addStmtp(controlp);
nodep->addStmtsp(controlp);
iterate(controlp);
}
// Note: The 'while (true)' outer loop will be added in V3Sched
@@ -412,9 +412,9 @@ private:
}
void visit(AstNodeCCall* nodep) override {
if (nodep->funcp()->user2()) { // If suspendable
auto* const awaitp = new AstCAwait{nodep->fileline(), nullptr};
nodep->replaceWith(awaitp);
awaitp->exprp(nodep);
VNRelinker relinker;
nodep->unlinkFrBack(&relinker);
relinker.relink(new AstCAwait{nodep->fileline(), nodep});
} else {
// Add our process/func as the CFunc's dependency as we might have to put an await here
DependencyVertex* const procVxp = getDependencyVertex(m_procp);
@@ -571,15 +571,15 @@ private:
// Wait on changed events related to the vars in the wait statement
AstSenItem* const senItemsp = varRefpsToSenItemsp(nodep->condp());
AstNode* const condp = nodep->condp()->unlinkFrBack();
AstNode* const bodysp = nodep->bodysp();
if (bodysp) bodysp->unlinkFrBackWithNext();
AstNode* const stmtsp = nodep->stmtsp();
if (stmtsp) stmtsp->unlinkFrBackWithNext();
FileLine* const flp = nodep->fileline();
if (senItemsp) {
// Put the event control in a while loop with the wait expression as condition
AstNode* const loopp
= new AstWhile{flp, new AstLogNot{flp, condp},
new AstEventControl{flp, new AstSenTree{flp, senItemsp}, nullptr}};
if (bodysp) loopp->addNext(bodysp);
if (stmtsp) loopp->addNext(stmtsp);
nodep->replaceWith(loopp);
} else {
condp->v3warn(WAITCONST, "Wait statement condition is constant");
@@ -590,10 +590,10 @@ private:
auto* const awaitp = new AstCAwait{flp, new AstCStmt{flp, "VlForever{}"}};
awaitp->statement(true);
nodep->replaceWith(awaitp);
if (bodysp) VL_DO_DANGLING(bodysp->deleteTree(), bodysp);
} else if (bodysp) {
if (stmtsp) VL_DO_DANGLING(stmtsp->deleteTree(), stmtsp);
} else if (stmtsp) {
// Just put the body there
nodep->replaceWith(bodysp);
nodep->replaceWith(stmtsp);
}
VL_DO_DANGLING(constCondp->deleteTree(), condp);
}