luke/verilator
1
0
Fork 0
mirror of https://github.com/verilator/verilator.git synced 2026-10-08 02:53:12 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fix bad-syntax crashes, bug1582.

Browse Source
This commit is contained in:
Wilson Snyder
2019-11-04 18:48:47 -05:00
parent a28896d967
commit 67d52372e5
5 changed files with 43 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/V3Const.cpp
+8 -1
View File
@@ -95,6 +95,7 @@ private:
// ** must track down everywhere V3Const is called and make sure no overlaps.
// AstVar::user4p -> Used by ConstVarMarkVisitor/ConstVarFindVisitor
// AstJumpLabel::user4 -> bool. Set when AstJumpGo uses this label
// AstEnum::user4 -> bool. Recursing.
// STATE
bool m_params; // If true, propagate parameterized and true numbers only
@@ -1630,7 +1631,13 @@ private:
bool did = false;
if (nodep->itemp()->valuep()) {
//if (debug()) nodep->itemp()->valuep()->dumpTree(cout, " visitvaref: ");
iterateAndNextNull(nodep->itemp()->valuep());
if (nodep->itemp()->user4()) {
nodep->v3error("Recursive enum value: "<<nodep->itemp()->prettyNameQ());
} else {
nodep->itemp()->user4(true);
iterateAndNextNull(nodep->itemp()->valuep());
nodep->itemp()->user4(false);
}
if (AstConst* valuep = VN_CAST(nodep->itemp()->valuep(), Const)) {
const V3Number& num = valuep->num();
replaceNum(nodep, num); VL_DANGLING(nodep);