diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/analysis/expression.cpp | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/src/analysis/expression.cpp b/src/analysis/expression.cpp index dbf56c4..3376d81 100644 --- a/src/analysis/expression.cpp +++ b/src/analysis/expression.cpp @@ -83,8 +83,11 @@ std::string getVariableName(Node *node) if (node == PARM_DECL) { ParmDeclNode *decl = static_cast<ParmDeclNode*>(node); - if (skipNop(decl->declType) != POINTER_TYPE) + if (skipNop(decl->declType) != nullptr && + skipNop(decl->declType) != POINTER_TYPE) + { return ""; + } return node->label; } if (node == VAR_DECL) @@ -112,8 +115,11 @@ bool isPointerArg(Node *node) if (node == PARM_DECL) { ParmDeclNode *decl = static_cast<ParmDeclNode*>(node); - if (skipNop(decl->declType) == POINTER_TYPE) + if (skipNop(decl->declType) == nullptr || + skipNop(decl->declType) == POINTER_TYPE) + { return true; + } } else if (node == VAR_DECL) { @@ -150,8 +156,11 @@ std::string getComponentRefVariable(Node *node) if (ref == PARM_DECL) { ParmDeclNode *decl = static_cast<ParmDeclNode*>(ref); - if (skipNop(decl->declType) != POINTER_TYPE) + if (skipNop(decl->declType) != nullptr && + skipNop(decl->declType) != POINTER_TYPE) + { return str; + } } if (ref == VAR_DECL) { @@ -187,8 +196,11 @@ std::vector<std::string> getComponentRefParts(Node *node) if (ref == PARM_DECL) { ParmDeclNode *parmDecl = static_cast<ParmDeclNode*>(ref); - if (parmDecl->declType == POINTER_TYPE) + if (skipNop(parmDecl->declType) == nullptr || + skipNop(parmDecl->declType) == POINTER_TYPE) + { str.push_back(ref->label); + } } if (ref == VAR_DECL) { @@ -380,13 +392,13 @@ void analyseNeExpr(NeExprNode *node, const WalkItem &wi, WalkItem &wo) node2 == INTEGER_CST && node2->label == "0") { - if (isIn(var, wi.needCheckNullVars)) -// isNotIn(var, wi.knownVars)) + if (isIn(var, wi.needCheckNullVars) || + isNotIn(var, wi.knownVars)) { wo.checkedThenNonNullVars.insert(var); wo.checkedElseNullVars.insert(var); wo.knownNonNullVars.insert(var); - //wo.knownVars.insert(var); + wo.knownVars.insert(var); wo.cleanExpr = true; wo.uselessExpr = false; return; @@ -498,11 +510,13 @@ void analyseEqExpr(EqExprNode *node, const WalkItem &wi, WalkItem &wo) node2 == INTEGER_CST && node2->label == "0") { - if (isIn(var, wi.needCheckNullVars)) + if (isIn(var, wi.needCheckNullVars) || + isNotIn(var, wi.knownVars)) { wo.checkedThenNullVars.insert(var); wo.checkedElseNonNullVars.insert(var); wo.knownNullVars.insert(var); + wo.knownVars.insert(var); wo.cleanExpr = true; wo.uselessExpr = false; if (isIn(var, wi.knownNullVars) || |