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Support 'real' numbers and related functions.

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This commit is contained in:
Wilson Snyder
2011-07-24 15:01:51 -04:00
parent d5478e6e08
commit 55906486d8
31 changed files with 1502 additions and 807 deletions
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src/V3Case.cpp
+6 -2
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@@ -148,17 +148,19 @@ private:
bool isCaseTreeFast(AstCase* nodep) {
int width = 0;
bool opaque = false;
m_caseItems = 0;
m_caseNoOverlapsAllCovered = true;
for (AstCaseItem* itemp = nodep->itemsp(); itemp; itemp=itemp->nextp()->castCaseItem()) {
for (AstNode* icondp = itemp->condsp(); icondp!=NULL; icondp=icondp->nextp()) {
if (icondp->width() > width) width = icondp->width();
if (icondp->isDouble()) opaque = true;
if (!icondp->castConst()) width = CASE_BARF; // Can't parse; not a constant
m_caseItems++;
}
}
m_caseWidth = width;
if (width==0 || width > CASE_OVERLAP_WIDTH) {
if (width==0 || width > CASE_OVERLAP_WIDTH || opaque) {
m_caseNoOverlapsAllCovered = false;
return false; // Too wide for analysis
}
@@ -348,7 +350,9 @@ private:
and1p = cexprp->cloneTree(false);
and2p = icondp;
}
AstEq* condp = new AstEq(itemp->fileline(), and1p, and2p);
AstNodeBiop* condp = (and1p->isDouble()
? (new AstEqD(itemp->fileline(), and1p, and2p))->castNodeBiop()
: (new AstEq(itemp->fileline(), and1p, and2p))->castNodeBiop());
if (!ifexprp) {
ifexprp = condp;
} else {