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Internals: Rename AstPackageRef as may point to class.

This commit is contained in:
Wilson Snyder 2020-07-11 10:29:15 -04:00
parent 1194dbf19c
commit bb8899f307
6 changed files with 33 additions and 30 deletions
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8
src/V3AstNodes.cpp
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@ -1493,12 +1493,12 @@ void AstParseRef::dump(std::ostream& str) const {
this->AstNode::dump(str);
str << " [" << expect().ascii() << "]";
}
void AstPackageRef::dump(std::ostream& str) const {
void AstClassOrPackageRef::dump(std::ostream& str) const {
this->AstNode::dump(str);
if (packagep()) { str << " pkg=" << nodeAddr(packagep()); }
if (classOrPackagep()) { str << " cpkg=" << nodeAddr(classOrPackagep()); }
str << " -> ";
if (packagep()) {
packagep()->dump(str);
if (classOrPackagep()) {
classOrPackagep()->dump(str);
} else {
str << "UNLINKED";
}

28
src/V3AstNodes.h
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@ -2891,29 +2891,33 @@ public:
void ftaskrefp(AstNodeFTaskRef* nodep) { setNOp2p(nodep); } // op2 = Function/task reference
};
class AstPackageRef : public AstNode {
class AstClassOrPackageRef : public AstNode {
private:
AstPackage* m_packagep; // Package hierarchy
AstNode* m_classOrPackagep; // Package hierarchy
public:
AstPackageRef(FileLine* fl, AstPackage* packagep)
AstClassOrPackageRef(FileLine* fl, AstNode* classOrPackagep)
: ASTGEN_SUPER(fl)
, m_packagep(packagep) {}
ASTNODE_NODE_FUNCS(PackageRef)
, m_classOrPackagep(classOrPackagep) {}
ASTNODE_NODE_FUNCS(ClassOrPackageRef)
// METHODS
virtual const char* broken() const {
BROKEN_RTN(!m_packagep || !m_packagep->brokeExists());
BROKEN_RTN(!m_classOrPackagep || !m_classOrPackagep->brokeExists());
return NULL;
}
virtual void cloneRelink() {
if (m_packagep && m_packagep->clonep()) { m_packagep = m_packagep->clonep(); }
if (m_classOrPackagep && m_classOrPackagep->clonep()) {
m_classOrPackagep = m_classOrPackagep->clonep();
}
}
virtual bool same(const AstNode* samep) const {
return (m_packagep == static_cast<const AstPackageRef*>(samep)->m_packagep);
return (m_classOrPackagep
== static_cast<const AstClassOrPackageRef*>(samep)->m_classOrPackagep);
}
virtual V3Hash sameHash() const { return V3Hash(m_packagep); }
virtual V3Hash sameHash() const { return V3Hash(m_classOrPackagep); }
virtual void dump(std::ostream& str = std::cout) const;
AstPackage* packagep() const { return m_packagep; }
void packagep(AstPackage* nodep) { m_packagep = nodep; }
AstNode* classOrPackagep() const { return m_classOrPackagep; }
AstPackage* packagep() const { return VN_CAST(classOrPackagep(), Package); }
void classOrPackagep(AstNode* nodep) { m_classOrPackagep = nodep; }
};
class AstDot : public AstNode {
@ -2931,7 +2935,7 @@ public:
// For parser, make only if non-null package
static AstNode* newIfPkg(FileLine* fl, AstPackage* packagep, AstNode* rhsp) {
if (!packagep) return rhsp;
return new AstDot(fl, true, new AstPackageRef(fl, packagep), rhsp);
return new AstDot(fl, true, new AstClassOrPackageRef(fl, packagep), rhsp);
}
virtual void dump(std::ostream& str) const;
virtual string emitVerilog() { V3ERROR_NA_RETURN(""); }

2
src/V3Dead.cpp
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@ -25,7 +25,7 @@
// The following nodes have package pointers and are cleaned up here:
// AstRefDType, AstEnumItemRef, AstNodeVarRef, AstNodeFTask
// These have packagep but will not exist at this stage
// AstPackageImport, AstDot, AstPackageRef
// AstPackageImport, AstDot, AstClassOrPackageRef
//
// Note on packagep: After the V3Scope/V3LinkDotScoped stage, package links
// are no longer used, but their presence prevents us from removing empty

22
src/V3LinkDot.cpp
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@ -1951,7 +1951,7 @@ private:
m_ds.m_dotPos = DP_SCOPE;
// m_ds.m_dotText communicates the cell prefix between stages
if (VN_IS(nodep->lhsp(), PackageRef)) {
if (VN_IS(nodep->lhsp(), ClassOrPackageRef)) {
// if (!start) { nodep->lhsp()->v3error("Package reference may not be embedded in
// dotted reference"); m_ds.m_dotErr=true; }
m_ds.m_dotPos = DP_PACKAGE;
@ -2047,9 +2047,9 @@ private:
expectWhat = "scope/variable";
allowScope = true;
allowVar = true;
UASSERT_OBJ(VN_IS(m_ds.m_dotp->lhsp(), PackageRef), m_ds.m_dotp->lhsp(),
UASSERT_OBJ(VN_IS(m_ds.m_dotp->lhsp(), ClassOrPackageRef), m_ds.m_dotp->lhsp(),
"Bad package link");
packagep = VN_CAST(m_ds.m_dotp->lhsp(), PackageRef)->packagep();
packagep = VN_CAST(m_ds.m_dotp->lhsp(), ClassOrPackageRef)->packagep();
UASSERT_OBJ(packagep, m_ds.m_dotp->lhsp(), "Bad package link");
m_ds.m_dotSymp = m_statep->getNodeSym(packagep);
m_ds.m_dotPos = DP_SCOPE;
@ -2399,11 +2399,11 @@ private:
if (nodep->user3SetOnce()) return;
UINFO(8, " " << nodep << endl);
if (m_ds.m_dotp && m_ds.m_dotPos == DP_PACKAGE) {
UASSERT_OBJ(VN_IS(m_ds.m_dotp->lhsp(), PackageRef), m_ds.m_dotp->lhsp(),
UASSERT_OBJ(VN_IS(m_ds.m_dotp->lhsp(), ClassOrPackageRef), m_ds.m_dotp->lhsp(),
"Bad package link");
UASSERT_OBJ(VN_CAST(m_ds.m_dotp->lhsp(), PackageRef)->packagep(), m_ds.m_dotp->lhsp(),
"Bad package link");
nodep->packagep(VN_CAST(m_ds.m_dotp->lhsp(), PackageRef)->packagep());
UASSERT_OBJ(VN_CAST(m_ds.m_dotp->lhsp(), ClassOrPackageRef)->packagep(),
m_ds.m_dotp->lhsp(), "Bad package link");
nodep->packagep(VN_CAST(m_ds.m_dotp->lhsp(), ClassOrPackageRef)->packagep());
m_ds.m_dotPos = DP_SCOPE;
m_ds.m_dotp = NULL;
} else if (m_ds.m_dotp && m_ds.m_dotPos == DP_FINAL) {
@ -2668,11 +2668,11 @@ private:
// Resolve its reference
if (nodep->user3SetOnce()) return;
if (m_ds.m_dotp && m_ds.m_dotPos == DP_PACKAGE) {
UASSERT_OBJ(VN_IS(m_ds.m_dotp->lhsp(), PackageRef), m_ds.m_dotp->lhsp(),
UASSERT_OBJ(VN_IS(m_ds.m_dotp->lhsp(), ClassOrPackageRef), m_ds.m_dotp->lhsp(),
"Bad package link");
UASSERT_OBJ(VN_CAST(m_ds.m_dotp->lhsp(), PackageRef)->packagep(), m_ds.m_dotp->lhsp(),
"Bad package link");
nodep->packagep(VN_CAST(m_ds.m_dotp->lhsp(), PackageRef)->packagep());
UASSERT_OBJ(VN_CAST(m_ds.m_dotp->lhsp(), ClassOrPackageRef)->packagep(),
m_ds.m_dotp->lhsp(), "Bad package link");
nodep->packagep(VN_CAST(m_ds.m_dotp->lhsp(), ClassOrPackageRef)->packagep());
m_ds.m_dotPos = DP_SCOPE;
m_ds.m_dotp = NULL;
} else {

1
src/V3ParseImp.h
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@ -139,7 +139,6 @@ struct V3ParseBisonYYSType {
AstSenItem* senitemp;
AstNodeVarRef* varnodep;
AstPackage* packagep;
AstPackageRef* packagerefp;
AstParseRef* parserefp;
AstPatMember* patmemberp;
AstPattern* patternp;

2
src/verilog.y
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@ -2526,7 +2526,7 @@ delay_control<nodep>: //== IEEE: delay_control
delay_value<nodep>: // ==IEEE:delay_value
// // IEEE: ps_identifier
packageClassScopeE varRefBase { $$ = $2; $2->packagep($1); }
packageClassScopeE varRefBase { $$ = AstDot::newIfPkg($<fl>2, CAST_PACKAGE_CLASS($1), $2); }
| yaINTNUM { $$ = new AstConst($<fl>1, *$1); }
| yaFLOATNUM { $$ = new AstConst($<fl>1, AstConst::RealDouble(), $1); }
| timeNumAdjusted { $$ = $1; }