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var_naming and revert

This commit is contained in:
Yilou Wang 2025-10-20 22:52:06 +02:00
parent 64d48e4879
commit 69281ab33c
1 changed files with 16 additions and 16 deletions
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32
src/V3Randomize.cpp
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@ -230,14 +230,14 @@ class RandomizeMarkVisitor final : public VNVisitor {
// Build MemberSel chain from variable path
AstNodeExpr* buildMemberSelChain(AstVarRef* rootVarRefp, const std::vector<AstVar*>& path) {
AstNodeExpr* current = rootVarRefp->cloneTree(false);
AstNodeExpr* exprp = rootVarRefp->cloneTree(false);
for (AstVar* memberVarp : path) {
AstMemberSel* memberSel
= new AstMemberSel{rootVarRefp->fileline(), current, memberVarp};
memberSel->user2p(m_classp);
current = memberSel;
AstMemberSel* memberSelp
= new AstMemberSel{rootVarRefp->fileline(), exprp, memberVarp};
memberSelp->user2p(m_classp);
exprp = memberSelp;
}
return current;
return exprp;
}
// Clone constraints from nested rand class members
@ -273,11 +273,11 @@ class RandomizeMarkVisitor final : public VNVisitor {
cloneConstrp->foreach([&](AstVarRef* varRefp) {
if (!varRefp || !varRefp->varp()) return;
AstNodeExpr* chain = buildMemberSelChain(rootVarRefp, newPath);
AstMemberSel* finalSel = new AstMemberSel{varRefp->fileline(),
chain, varRefp->varp()};
finalSel->user2p(m_classp);
varRefp->replaceWith(finalSel);
AstNodeExpr* const chainp = buildMemberSelChain(rootVarRefp, newPath);
AstMemberSel* const finalSelp = new AstMemberSel(varRefp->fileline(),
chainp, varRefp->varp());
finalSelp->user2p(m_classp);
varRefp->replaceWith(finalSelp);
VL_DO_DANGLING(varRefp->deleteTree(), varRefp);
});
@ -301,9 +301,9 @@ class RandomizeMarkVisitor final : public VNVisitor {
cloneCons->name(fromp->name() + GLOBAL_CONSTRAINT_SEPARATOR + cloneCons->name());
cloneCons->foreach([&](AstVarRef* varRefp) {
if (!varRefp || !varRefp->varp()) return;
AstVarRef* clonedFromp = fromp->cloneTree(false);
AstVarRef* const clonedFromp = fromp->cloneTree(false);
if (!clonedFromp) return;
AstMemberSel* varMemberp
AstMemberSel* const varMemberp
= new AstMemberSel{cloneCons->fileline(), clonedFromp, varRefp->varp()};
varMemberp->user2p(m_classp);
varRefp->replaceWith(varMemberp);
@ -572,7 +572,7 @@ class RandomizeMarkVisitor final : public VNVisitor {
if (nodep->varp()->lifetime().isStatic()) m_staticRefs.emplace(nodep);
if (nodep->varp()->rand().isRandomizable()) { nodep->user1(true); }
if (nodep->varp()->rand().isRandomizable()) nodep->user1(true);
}
void visit(AstMemberSel* nodep) override {
if (!m_constraintExprGenp) return;
@ -710,10 +710,10 @@ class ConstraintExprVisitor final : public VNVisitor {
// (used to format "%@.%@" for struct arrays)
// Build full path for a MemberSel chain (e.g., "obj.l2.l3.l4")
std::string buildMemberPath(AstMemberSel* memberSelp) {
std::string buildMemberPath(const AstMemberSel* memberSelp) {
if (!memberSelp) return "";
AstNode* fromp = memberSelp->fromp();
const AstNode* fromp = memberSelp->fromp();
if (VN_IS(fromp, VarRef)) {
// Base case: reached root VarRef
return VN_AS(fromp, VarRef)->name() + "." + memberSelp->name();