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Support multi-dimensional arrays as inputs/outputs

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This commit is contained in:
Wilson Snyder
2010-01-19 13:18:40 -05:00
parent 2e9ade61b2
commit bded8755a1
6 changed files with 111 additions and 11 deletions
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src/V3EmitC.cpp
+22 -8
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@@ -830,7 +830,11 @@ public:
void EmitCStmts::emitVarDecl(AstVar* nodep, const string& prefixIfImp) {
AstBasicDType* basicp = nodep->basicp(); if (!basicp) nodep->v3fatalSrc("Unimplemented: Outputting this data type");
if (nodep->isIO()) {
bool isArray = !nodep->dtypeSkipRefp()->castBasicDType();
if (nodep->isSc()) {
if (isArray) {
nodep->v3error("Unsupported: SystemC inputs and outputs must be simple data types; no arrays");
}
m_ctorVarsVec.push_back(nodep);
ofp()->putAlign(nodep->isStatic(), 4); // sc stuff is a structure, so bigger alignment
if (nodep->attrScClocked() && nodep->isInput()) {
@@ -858,14 +862,24 @@ void EmitCStmts::emitVarDecl(AstVar* nodep, const string& prefixIfImp) {
else if (nodep->widthMin() <= 8) puts("8");
else if (nodep->widthMin() <= 16) puts("16");
if (!nodep->isWide())
puts("("+nodep->name()
+","+cvtToStr(basicp->msb())
+","+cvtToStr(basicp->lsb()));
else puts("W("+nodep->name()
+","+cvtToStr(basicp->msb())
+","+cvtToStr(basicp->lsb())
+","+cvtToStr(basicp->widthWords()));
if (isArray) {
if (nodep->isWide()) puts("W");
puts("("+nodep->name());
for (AstArrayDType* arrayp=nodep->dtypeSkipRefp()->castArrayDType(); arrayp; arrayp = arrayp->dtypeSkipRefp()->castArrayDType()) {
puts("["+cvtToStr(arrayp->elementsConst())+"]");
}
puts(","+cvtToStr(basicp->msb())+","+cvtToStr(basicp->lsb()));
if (basicp->isWide()) puts(","+cvtToStr(basicp->widthWords()));
} else {
if (!basicp->isWide())
puts("("+nodep->name()
+","+cvtToStr(basicp->msb())
+","+cvtToStr(basicp->lsb()));
else puts("W("+nodep->name()
+","+cvtToStr(basicp->msb())
+","+cvtToStr(basicp->lsb())
+","+cvtToStr(basicp->widthWords()));
}
puts(");\n");
}
} else if (basicp && basicp->isOpaque()) {