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Improve more errors to note IEEE

This commit is contained in:
Wilson Snyder 2017-09-18 23:06:31 -04:00
parent b3cf5c4f5f
commit d6b10465f3
1 changed files with 3 additions and 3 deletions
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6
src/V3Width.cpp
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@ -445,7 +445,7 @@ private:
if (!constp) { nodep->v3error("Replication value isn't a constant."); return; }
uint32_t times = constp->toUInt();
if (times==0 && !nodep->backp()->castConcat()) { // Concat Visitor will clean it up.
nodep->v3error("Replication value of 0 is only legal under a concatenation."); times=1;
nodep->v3error("Replication value of 0 is only legal under a concatenation (IEEE 2012 11.4.12.1)"); times=1;
}
if (nodep->lhsp()->isString()) {
AstNode* newp = new AstReplicateN(nodep->fileline(),nodep->lhsp()->unlinkFrBack(),
@ -476,7 +476,7 @@ private:
if (!constp) { nodep->v3error("Replication value isn't a constant."); return; }
uint32_t times = constp->toUInt();
if (times==0 && !nodep->backp()->castConcat()) { // Concat Visitor will clean it up.
nodep->v3error("Replication value of 0 is only legal under a concatenation.");
nodep->v3error("Replication value of 0 is only legal under a concatenation (IEEE 2012 11.4.12.1)");
}
nodep->dtypeSetString();
}
@ -1238,7 +1238,7 @@ private:
}
if (!itemp->valuep()) {
if (num.isEqZero() && itemp != nodep->itemsp())
itemp->v3error("Enum value wrapped around"); // IEEE says illegal
itemp->v3error("Enum value illegally wrapped around (IEEE 2012 6.19)");
if (!nodep->dtypep()->basicp()
&& !nodep->dtypep()->basicp()->keyword().isIntNumeric()) {
itemp->v3error("Enum names without values only allowed on numeric types");