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Internals: Look at tree state instead of back for AstAttr. No functional change.

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This commit is contained in:
Wilson Snyder
2012-07-28 10:52:29 -04:00
parent ecf508ec23
commit 33e6a17747
3 changed files with 25 additions and 2 deletions
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src/V3Const.cpp
+9 -1
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@@ -108,6 +108,7 @@ private:
bool m_doGenerate; // Postpone width checking inside generate
AstNodeModule* m_modp; // Current module
AstNode* m_scopep; // Current scope
AstAttrOf* m_attrp; // Current attribute
// METHODS
static int debug() {
@@ -1209,11 +1210,17 @@ private:
nodep->replaceWith(fromp); nodep->deleteTree(); nodep=NULL;
}
virtual void visit(AstAttrOf* nodep, AstNUser*) {
AstAttrOf* oldAttr = m_attrp;
m_attrp = nodep;
nodep->iterateChildren(*this);
m_attrp = oldAttr;
}
virtual void visit(AstVarRef* nodep, AstNUser*) {
nodep->iterateChildren(*this);
if (!nodep->varp()) nodep->v3fatalSrc("Not linked");
bool did=false;
if (m_doV && nodep->varp()->hasSimpleInit() && !nodep->backp()->castAttrOf()) {
if (m_doV && nodep->varp()->hasSimpleInit() && !m_attrp) {
//if (debug()) nodep->varp()->valuep()->dumpTree(cout," visitvaref: ");
nodep->varp()->valuep()->iterateAndNext(*this);
if (operandConst(nodep->varp()->valuep())
@@ -2006,6 +2013,7 @@ public:
m_wremove = true; // Overridden in visitors
m_modp = NULL;
m_scopep = NULL;
m_attrp = NULL;
//
switch (pmode) {
case PROC_PARAMS: m_doV = true; m_doNConst = true; m_params = true; m_required = true; break;