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Wilson Snyder 2013-01-13 09:48:12 -05:00
parent 26f4b5a69a
commit 0985b82760
2 changed files with 5 additions and 1 deletions
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4
src/V3AstNodes.cpp
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@ -307,6 +307,8 @@ AstNodeDType* AstNodeDType::dtypeDimensionp(int dimension) {
// DECL: VAR a (ARRAYSEL0 (ARRAYSEL1 (ARRAYSEL2 (DT RANGE3))))
// *or* VAR a (ARRAYSEL0 (ARRAYSEL1 (ARRAYSEL2 (ARRAYSEL3 (DT))))
// SEL1 needs to select from entire variable which is a pointer to ARRAYSEL0
// TODO this function should be removed in favor of recursing the dtype(),
// as that allows for more complicated data types.
int dim = 0;
for (AstNodeDType* dtypep=this; dtypep; ) {
dtypep = dtypep->skipRefp(); // Skip AstRefDType/AstTypedef, or return same node
@ -403,7 +405,7 @@ AstNode* AstArraySel::baseFromp(AstNode* nodep) { ///< What is the base variable
while (nodep) {
if (nodep->castArraySel()) { nodep=nodep->castArraySel()->fromp(); continue; }
else if (nodep->castSel()) { nodep=nodep->castSel()->fromp(); continue; }
// AstNodeSelPre stashes the associated variable under a ATTROF of AstAttrType::VAR_BASE/MEMBER_BASE so it isn't constified
// AstNodeSelPre stashes the associated variable under an ATTROF of AstAttrType::VAR_BASE/MEMBER_BASE so it isn't constified
else if (nodep->castAttrOf()) { nodep=nodep->castAttrOf()->fromp(); continue; }
else if (nodep->castNodePreSel()) {
if (nodep->castNodePreSel()->attrp()) {

2
src/V3AstNodes.h
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@ -716,6 +716,8 @@ struct AstSel : public AstNodeTriop {
// Multiple bit range extraction
// Parents: math|stmt
// Children: varref|arraysel, math, constant math
// Tempting to have an lvalue() style method here as LHS selects are quite
// different, but that doesn't play well with V3Inst and bidirects which don't know direction
AstSel(FileLine* fl, AstNode* fromp, AstNode* lsbp, AstNode* widthp)
:AstNodeTriop(fl, fromp, lsbp, widthp) {
if (widthp->castConst()) {