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Internals: Create data types and attach to AstVars, in prep for typedefs.

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Added AstNodeDType and AstBasicDType and associated enums.
This commit is contained in:
Wilson Snyder
2009-11-02 08:06:04 -05:00
parent 9a133ced2d
commit 4c26792c9b
25 changed files with 319 additions and 210 deletions
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src/V3Const.cpp
+4 -3
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@@ -309,10 +309,11 @@ private:
AstNode* basefromp = AstArraySel::baseFromp(nodep->fromp());
if (AstNodeVarRef* varrefp = basefromp->castNodeVarRef()) {
AstVar* varp = varrefp->varp();
if (!varp->dtypep()) varp->v3fatalSrc("Data type lost");
if (m_warn
&& nodep->lsbp()->castConst()
&& nodep->widthp()->castConst()
&& (!varp->rangep() || varp->msb())) { // else it's non-resolvable parameterized
&& (!varp->dtypep()->rangep() || varp->msb())) { // else it's non-resolvable parameterized
if (nodep->lsbp()->castConst()->num().isFourState()
|| nodep->widthp()->castConst()->num().isFourState()) {
nodep->v3error("Selection index is constantly unknown or tristated: "
@@ -770,9 +771,9 @@ private:
string name1 = ((string)"__Vconcswap"+cvtToStr(m_modp->varNumGetInc()));
string name2 = ((string)"__Vconcswap"+cvtToStr(m_modp->varNumGetInc()));
AstVar* temp1p = new AstVar(sel1p->fileline(), AstVarType::BLOCKTEMP, name1,
new AstRange(sel1p->fileline(), msb1-lsb1, 0));
AstVar::LogicPacked(), msb1-lsb1+1);
AstVar* temp2p = new AstVar(sel2p->fileline(), AstVarType::BLOCKTEMP, name2,
new AstRange(sel2p->fileline(), msb2-lsb2, 0));
AstVar::LogicPacked(), msb2-lsb2+1);
m_modp->addStmtp(temp1p);
m_modp->addStmtp(temp2p);
AstNodeAssign* asn1ap=nodep->cloneType