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Generate AstNode accessors via astgen

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Introduce the @astgen directives parsed by astgen, currently used for
the generation child node (operand) accessors. Please see the updated
internal documentation for details.
This commit is contained in:
Geza Lore
2022-09-21 13:56:03 +01:00
parent 0a8cfb8d2c
commit ce03293128
70 changed files with 1386 additions and 1530 deletions
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src/V3Inline.cpp
+15 -15
View File
@@ -294,15 +294,15 @@ private:
UASSERT_OBJ(exprconstp || exprvarrefp, nodep,
"Unknown interconnect type; pinReconnectSimple should have cleared up");
if (exprconstp) {
m_modp->addStmtp(new AstAssignW(flp, new AstVarRef(flp, nodep, VAccess::WRITE),
exprconstp->cloneTree(false)));
m_modp->addStmtsp(new AstAssignW(flp, new AstVarRef(flp, nodep, VAccess::WRITE),
exprconstp->cloneTree(false)));
} else if (nodep->user3()) {
// Public variable at the lower module end - we need to make sure we propagate
// the logic changes up and down; if we aliased, we might
// remove the change detection on the output variable.
UINFO(9, "public pin assign: " << exprvarrefp << endl);
UASSERT_OBJ(!nodep->isNonOutput(), nodep, "Outputs only - inputs use AssignAlias");
m_modp->addStmtp(
m_modp->addStmtsp(
new AstAssignW(flp, new AstVarRef(flp, exprvarrefp->varp(), VAccess::WRITE),
new AstVarRef(flp, nodep, VAccess::READ)));
} else if (nodep->isSigPublic() && VN_IS(nodep->dtypep(), UnpackArrayDType)) {
@@ -310,11 +310,11 @@ private:
// instead of aliased, because otherwise it will pass V3Slice and invalid
// code will be emitted.
UINFO(9, "assign to public and unpacked: " << nodep << endl);
m_modp->addStmtp(
m_modp->addStmtsp(
new AstAssignW{flp, new AstVarRef{flp, nodep, VAccess::WRITE},
new AstVarRef{flp, exprvarrefp->varp(), VAccess::READ}});
} else if (nodep->isIfaceRef()) {
m_modp->addStmtp(
m_modp->addStmtsp(
new AstAssignVarScope(flp, new AstVarRef(flp, nodep, VAccess::WRITE),
new AstVarRef(flp, exprvarrefp->varp(), VAccess::READ)));
FileLine* const flbp = exprvarrefp->varp()->fileline();
@@ -323,7 +323,7 @@ private:
} else {
// Do to inlining child's variable now within the same
// module, so a AstVarRef not AstVarXRef below
m_modp->addStmtp(
m_modp->addStmtsp(
new AstAssignAlias(flp, new AstVarRef(flp, nodep, VAccess::WRITE),
new AstVarRef(flp, exprvarrefp->varp(), VAccess::READ)));
FileLine* const flbp = exprvarrefp->varp()->fileline();
@@ -423,16 +423,16 @@ private:
// If there's a %m in the display text, we add a special node that will contain the name()
// Similar code in V3Begin
// To keep correct visual order, must add before other Text's
AstNode* afterp = nodep->scopeAttrp();
AstText* afterp = nodep->scopeAttrp();
if (afterp) afterp->unlinkFrBackWithNext();
nodep->scopeAttrp(
nodep->addScopeAttrp(
new AstText{nodep->fileline(), std::string{"__DOT__"} + m_cellp->name()});
if (afterp) nodep->scopeAttrp(afterp);
if (afterp) nodep->addScopeAttrp(afterp);
afterp = nodep->scopeEntrp();
if (afterp) afterp->unlinkFrBackWithNext();
nodep->scopeEntrp(
nodep->addScopeEntrp(
new AstText{nodep->fileline(), std::string{"__DOT__"} + m_cellp->name()});
if (afterp) nodep->scopeEntrp(afterp);
if (afterp) nodep->addScopeEntrp(afterp);
iterateChildren(nodep);
}
void visit(AstCoverDecl* nodep) override {
@@ -566,7 +566,7 @@ private:
// Move statements under the module we are inlining into
if (AstNode* const stmtsp = newmodp->stmtsp()) {
stmtsp->unlinkFrBackWithNext();
m_modp->addStmtp(stmtsp);
m_modp->addStmtsp(stmtsp);
}
// Clear any leftover ports, etc
VL_DO_DANGLING(newmodp->deleteTree(), newmodp);
@@ -649,7 +649,7 @@ private:
}
if (VN_IS(nodep->modp(), Iface)) {
nodep->addIntfRefp(new AstIntfRef{nodep->fileline(), m_scope});
nodep->addIntfRefsp(new AstIntfRef{nodep->fileline(), m_scope});
}
{
AstNodeModule* const modp = nodep->modp();
@@ -666,7 +666,7 @@ private:
if ((cellp = VN_CAST(fromVarp->user1p(), Cell)) || (cellp = irdtp->cellp())) {
varp->user1p(cellp);
const string alias = m_scope + "__DOT__" + pinp->name();
cellp->addIntfRefp(new AstIntfRef(pinp->fileline(), alias));
cellp->addIntfRefsp(new AstIntfRef(pinp->fileline(), alias));
}
}
@@ -695,7 +695,7 @@ private:
string alias;
if (!m_scope.empty()) alias = m_scope + "__DOT__";
alias += varlp->name();
cellp->addIntfRefp(new AstIntfRef(varlp->fileline(), alias));
cellp->addIntfRefsp(new AstIntfRef(varlp->fileline(), alias));
}
//--------------------
void visit(AstNodeMath*) override {} // Accelerate