本文整理汇总了C++中AstVarRef::user2方法的典型用法代码示例。如果您正苦于以下问题：C++ AstVarRef::user2方法的具体用法？C++ AstVarRef::user2怎么用？C++ AstVarRef::user2使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AstVarRef的用法示例。
在下文中一共展示了AstVarRef::user2方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: visit
virtual void visit(AstVarRef* nodep, AstNUser*) {
if (!nodep->user2Inc()) { // Not done yet
if (m_inDly && nodep->lvalue()) {
UINFO(4,"AssignDlyVar: "<<nodep<<endl);
markVarUsage(nodep->varScopep(), VU_DLY);
if (!m_activep) nodep->v3fatalSrc("<= not under sensitivity block");
if (!m_activep->hasClocked()) nodep->v3error("Internal: Blocking <= assignment in non-clocked block, should have converted in V3Active");
AstVarScope* oldvscp = nodep->varScopep();
if (!oldvscp) nodep->v3fatalSrc("Var didn't get varscoped in V3Scope.cpp\n");
AstVarScope* dlyvscp = oldvscp->user1p()->castNode()->castVarScope();
if (dlyvscp) { // Multiple use of delayed variable
AstActive* oldactivep = dlyvscp->user2p()->castNode()->castActive();
checkActivePost(nodep, oldactivep);
}
if (!dlyvscp) { // First use of this delayed variable
string newvarname = (string("__Vdly__")+nodep->varp()->shortName());
dlyvscp = createVarSc(oldvscp, newvarname, 0);
AstNodeAssign* prep
= new AstAssignPre (nodep->fileline(),
new AstVarRef(nodep->fileline(), dlyvscp, true),
new AstVarRef(nodep->fileline(), oldvscp, false));
AstNodeAssign* postp
= new AstAssignPost (nodep->fileline(),
new AstVarRef(nodep->fileline(), oldvscp, true),
new AstVarRef(nodep->fileline(), dlyvscp, false));
postp->lhsp()->user2(true); // Don't detect this assignment
oldvscp->user1p(dlyvscp); // So we can find it later
// Make new ACTIVE with identical sensitivity tree
AstActive* newactp = createActivePost(nodep);
dlyvscp->user2p(newactp);
newactp->addStmtsp(prep); // Add to FRONT of statements
newactp->addStmtsp(postp);
}
AstVarRef* newrefp = new AstVarRef(nodep->fileline(), dlyvscp, true);
newrefp->user2(true); // No reason to do it again
nodep->replaceWith(newrefp); nodep->deleteTree(); nodep=NULL;
}
else if (!m_inDly && nodep->lvalue()) {
//UINFO(9,"NBA "<<nodep<<endl);
if (!m_inInitial) {
UINFO(4,"AssignNDlyVar: "<<nodep<<endl);
markVarUsage(nodep->varScopep(), VU_NONDLY);
}
}
}
}