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Support multi-expression sequences (#6639)

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This commit is contained in:
Bartłomiej Chmiel
2025-11-06 08:42:27 -05:00
committed by GitHub
parent f7e12e9219
commit 5adecb9fa3
30 changed files with 1107 additions and 553 deletions
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src/V3EmitV.cpp
+8 -15
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@@ -365,6 +365,7 @@ class EmitVBaseVisitorConst VL_NOT_FINAL : public VNVisitorConst {
void visit(AstSFormat* nodep) override {
visitNodeDisplay(nodep, nodep->lhsp(), nodep->fmtp()->text(), nodep->fmtp()->exprsp());
}
void visit(AstToStringN* nodep) override { iterateConst(nodep->lhsp()); }
void visit(AstSFormatF* nodep) override {
visitNodeDisplay(nodep, nullptr, nodep->text(), nodep->exprsp());
}
@@ -803,9 +804,6 @@ class EmitVBaseVisitorConst VL_NOT_FINAL : public VNVisitorConst {
puts(";\n");
}
void visit(AstNodeCoverOrAssert* nodep) override {
if (AstPExpr* const pexprp = VN_CAST(nodep->propp(), PExpr)) {
iterateAndNextConstNull(pexprp);
}
putfs(nodep, nodep->verilogKwd() + " ");
if (nodep->type() == VAssertType::OBSERVED_DEFERRED_IMMEDIATE) {
puts("#0 ");
@@ -816,14 +814,10 @@ class EmitVBaseVisitorConst VL_NOT_FINAL : public VNVisitorConst {
}
iterateConstNull(nodep->sentreep());
puts("(");
if (const AstPExpr* const pexprp = VN_CAST(nodep->propp(), PExpr)) {
iterateAndNextConstNull(pexprp->condp());
if (AstSampled* const sampledp = VN_CAST(nodep->propp(), Sampled)) {
iterateAndNextConstNull(sampledp->exprp());
} else {
if (AstSampled* const sampledp = VN_CAST(nodep->propp(), Sampled)) {
iterateAndNextConstNull(sampledp->exprp());
} else {
iterateAndNextConstNull(nodep->propp());
}
iterateAndNextConstNull(nodep->propp());
}
if (!VN_IS(nodep, Restrict)) {
puts(") begin\n");
@@ -1056,16 +1050,15 @@ class EmitVBaseVisitorConst VL_NOT_FINAL : public VNVisitorConst {
iterateConstNull(nodep->propp());
puts("\n");
}
void visit(AstPExpr* nodep) override {
iterateAndNextConstNull(nodep->precondp()); // condp emitted by AstNodeCoverOrAssert
}
void visit(AstPExpr* nodep) override { iterateConst(nodep->bodyp()); }
void visit(AstSExpr* nodep) override {
iterateConstNull(nodep->preExprp());
{
VL_RESTORER(m_suppressSemi);
m_suppressSemi = true;
iterateConstNull(nodep->delayp());
iterateConst(nodep->delayp());
}
iterateConstNull(nodep->exprp());
iterateConst(nodep->exprp());
}
// Terminals