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Strengthen AstNode types to AstNodeExpr

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Declare every AstNode children and variables as AstNodeExpr where we
statically know this is the appropriate sub-type.
This commit is contained in:
Geza Lore
2022-11-20 19:31:28 +00:00
parent 352d0b4582
commit 3abb65d732
52 changed files with 1742 additions and 1572 deletions
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src/V3Cast.cpp
+4 -5
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@@ -63,7 +63,7 @@ private:
// METHODS
void insertCast(AstNode* nodep, int needsize) { // We'll insert ABOVE passed node
void insertCast(AstNodeExpr* nodep, int needsize) { // We'll insert ABOVE passed node
UINFO(4, " NeedCast " << nodep << endl);
VNRelinker relinkHandle;
nodep->unlinkFrBack(&relinkHandle);
@@ -87,7 +87,7 @@ private:
return VL_IDATASIZE;
}
}
void ensureCast(AstNode* nodep) {
void ensureCast(AstNodeExpr* nodep) {
if (castSize(nodep->backp()) != castSize(nodep) || !nodep->user1()) {
insertCast(nodep, castSize(nodep->backp()));
}
@@ -101,13 +101,12 @@ private:
insertCast(nodep->lhsp(), VL_IDATASIZE);
}
}
void ensureNullChecked(AstNode* nodep) {
void ensureNullChecked(AstNodeExpr* nodep) {
// TODO optimize to track null checked values and avoid where possible
if (!VN_IS(nodep->backp(), NullCheck)) {
VNRelinker relinkHandle;
nodep->unlinkFrBack(&relinkHandle);
AstNode* const newp = new AstNullCheck{nodep->fileline(), nodep};
relinkHandle.relink(newp);
relinkHandle.relink(new AstNullCheck{nodep->fileline(), nodep});
}
}