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Support DPI exports

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This commit is contained in:
Wilson Snyder
2009-12-20 08:27:00 -05:00
parent 45aa8742d8
commit ef3ed6e338
21 changed files with 878 additions and 160 deletions
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src/V3Link.cpp
+16
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@@ -409,6 +409,22 @@ private:
}
nodep->iterateChildren(*this);
}
virtual void visit(AstDpiExport* nodep, AstNUser*) {
// AstDpiExport: Make sure the function referenced exists, then dump it
nodep->iterateChildren(*this);
if (m_idState==ID_RESOLVE) {
AstNodeFTask* taskp;
taskp = m_curVarsp->findIdUpward(nodep->name())->castNodeFTask();
if (!taskp) { nodep->v3error("Can't find definition of exported task/function: "<<nodep->prettyName()); }
else if (taskp->dpiExport()) {
nodep->v3error("Function was already DPI Exported, duplicate not allowed: "<<nodep->prettyName());
} else {
taskp->dpiExport(true);
if (nodep->cname()!="") taskp->cname(nodep->cname());
}
nodep->unlinkFrBack()->deleteTree();
}
}
virtual void visit(AstTypedef* nodep, AstNUser*) {
// Remember its name for later resolution