virtual void visit(AstCFunc* nodep) {
iterateChildren(nodep);
// Link to global function
if (nodep->formCallTree()) {
UINFO(4, " formCallTree "<<nodep<<endl);
AstCCall* callp = new AstCCall(nodep->fileline(), nodep);
callp->argTypes("vlSymsp");
m_finalFuncp->addStmtsp(callp);
}
}
AstCFunc* newCFuncSub(AstCFunc* basep) {
string name = basep->name()+"__"+cvtToStr(++m_funcNum);
AstCFunc* funcp = NULL;
if (basep->funcType()==AstCFuncType::TRACE_INIT) {
funcp = newCFunc(AstCFuncType::TRACE_INIT_SUB, name, basep->slow());
} else {
basep->v3fatalSrc("Strange base function type");
}
// cppcheck-suppress nullPointer // above fatal prevents it
AstCCall* callp = new AstCCall(funcp->fileline(), funcp);
callp->argTypes("vlSymsp, vcdp, code");
basep->addStmtsp(callp);
return funcp;
}
void replaceFunc (AstCFunc* oldfuncp, AstCFunc* newfuncp) {
if (oldfuncp==newfuncp) return;
if (newfuncp) {
UINFO(4, " Replace "<<oldfuncp<<" -WITH-> "<<newfuncp<<endl);
} else UINFO(4, " Remove "<<oldfuncp<<endl);
pair <CallMmap::iterator,CallMmap::iterator> eqrange = m_callMmap.equal_range(oldfuncp);
for (CallMmap::iterator nextit = eqrange.first; nextit != eqrange.second;) {
CallMmap::iterator eqit = nextit++;
AstCCall* callp = eqit->second;
if (!callp->user3()) { // !already done
UINFO(4, " Called "<<callp<<endl);
if (callp->funcp() != oldfuncp) callp->v3fatalSrc("Call list broken, points to call w/different func");
if (newfuncp) {
AstCCall* newp = new AstCCall(callp, newfuncp);
// Special new AstCCall form above transfers children of callp to newfuncp
callp->replaceWith(newp);
addCall(newp); // Fix the table
} else { // Just deleting empty function
callp->unlinkFrBack();
}
callp->user3(true); // Dead now
pushDeletep(callp); VL_DANGLING(callp);
m_callMmap.erase(eqit); // Fix the table
}
}
}
AstCFunc* createDeepFunc(AstNode* nodep) {
AstNRelinker relinkHandle;
nodep->unlinkFrBack(&relinkHandle);
// Create function
string name = m_funcp->name()+"__deep"+cvtToStr(++m_deepNum);
AstCFunc* funcp = new AstCFunc(nodep->fileline(), name, NULL);
funcp->argTypes(EmitCBaseVisitor::symClassVar());
funcp->symProlog(true);
funcp->slow(m_funcp->slow());
funcp->addStmtsp(nodep);
m_modp->addStmtp(funcp);
// Call it at the point where the body was removed from
AstCCall* callp = new AstCCall(nodep->fileline(), funcp);
callp->argTypes("vlSymsp");
UINFO(6," New "<<callp<<endl);
//
relinkHandle.relink(callp);
return funcp;
}
