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Support function non-constant default arguments (#4470).

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This commit is contained in:
Wilson Snyder
2023-09-16 17:37:25 -04:00
parent e6fb7e970d
commit 8bd1c63b32
9 changed files with 345 additions and 49 deletions
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src/V3Task.h
+22 -1
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@@ -31,6 +31,20 @@
using V3TaskConnect = std::pair<AstVar*, AstArg*>; // [port, pin-connects-to]
using V3TaskConnects = std::vector<V3TaskConnect>; // [ [port, pin-connects-to] ... ]
class V3TaskConnectState final {
VNDeleter m_deleter; // Allow delayed deletion of nodes
bool m_didWrap = false; // Made a wrapper
using WrapMap = std::map<std::pair<AstNodeFTask*, std::string>, AstNodeFTask*>;
WrapMap m_wrapMap; // Map of {old function, arguments} -> new function
public:
V3TaskConnectState() {}
~V3TaskConnectState() = default;
void pushDeletep(AstNode* nodep) { m_deleter.pushDeletep(nodep); }
bool didWrap() const { return m_didWrap; }
void setDidWrap() { m_didWrap = true; }
WrapMap& wrapMap() { return m_wrapMap; }
};
//============================================================================
class V3Task final {
@@ -39,7 +53,14 @@ class V3Task final {
public:
static void taskAll(AstNetlist* nodep);
/// Return vector of [port, pin-connects-to] (SLOW)
static V3TaskConnects taskConnects(AstNodeFTaskRef* nodep, AstNode* taskStmtsp);
static V3TaskConnects taskConnects(AstNodeFTaskRef* nodep, AstNode* taskStmtsp,
V3TaskConnectState* statep = nullptr);
static void taskConnectWrap(AstNodeFTaskRef* nodep, const V3TaskConnects& tconnects,
V3TaskConnectState* statep,
const std::set<const AstVar*>& argWrap);
static AstNodeFTask* taskConnectWrapNew(AstNodeFTask* taskp, const string& newname,
const V3TaskConnects& tconnects,
const std::set<const AstVar*>& argWrap);
static string assignInternalToDpi(AstVar* portp, bool isPtr, const string& frSuffix,
const string& toSuffix, const string& frPrefix = "");
static string assignDpiToInternal(const string& lhsName, AstVar* rhsp);