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Refactoring: Use enum class

This commit is contained in:
Daniel Marjamäki 2019-07-16 10:51:07 +02:00
parent 4e89b13adf
commit 32eda27391
4 changed files with 25 additions and 25 deletions
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8
lib/checkautovariables.cpp
View File

@ -643,17 +643,17 @@ static std::string lifetimeMessage(const Token *tok, const ValueFlow::Value *val
const Variable * var = vartok->variable();
if (var) {
switch (val->lifetimeKind) {
case ValueFlow::Value::Object:
case ValueFlow::Value::Address:
case ValueFlow::Value::LifetimeKind::Object:
case ValueFlow::Value::LifetimeKind::Address:
if (type == "pointer")
msg += " to local variable";
else
msg += " that points to local variable";
break;
case ValueFlow::Value::Lambda:
case ValueFlow::Value::LifetimeKind::Lambda:
msg += " that captures local variable";
break;
case ValueFlow::Value::Iterator:
case ValueFlow::Value::LifetimeKind::Iterator:
msg += " to local container";
break;
}

2
lib/checkbufferoverrun.cpp
View File

@ -894,7 +894,7 @@ void CheckBufferOverrun::objectIndex()
ValueFlow::Value v = getLifetimeObjValue(obj);
if (!v.isLocalLifetimeValue())
continue;
if (v.lifetimeKind != ValueFlow::Value::Address)
if (v.lifetimeKind != ValueFlow::Value::LifetimeKind::Address)
continue;
const Variable *var = v.tokvalue->variable();
if (var->isReference())

36
lib/valueflow.cpp
View File

@ -449,7 +449,7 @@ static void setTokenValue(Token* tok, const ValueFlow::Value &value, const Setti
}
if (value.isLifetimeValue()) {
if (value.lifetimeKind == ValueFlow::Value::Iterator && astIsIterator(parent)) {
if (value.lifetimeKind == ValueFlow::Value::LifetimeKind::Iterator && astIsIterator(parent)) {
setTokenValue(parent,value,settings);
} else if (astIsPointer(tok) && astIsPointer(parent) &&
(parent->isArithmeticalOp() || Token::Match(parent, "( %type%"))) {
@ -2689,14 +2689,14 @@ std::string lifetimeType(const Token *tok, const ValueFlow::Value *val)
if (!val)
return "object";
switch (val->lifetimeKind) {
case ValueFlow::Value::Lambda:
case ValueFlow::Value::LifetimeKind::Lambda:
result = "lambda";
break;
case ValueFlow::Value::Iterator:
case ValueFlow::Value::LifetimeKind::Iterator:
result = "iterator";
break;
case ValueFlow::Value::Object:
case ValueFlow::Value::Address:
case ValueFlow::Value::LifetimeKind::Object:
case ValueFlow::Value::LifetimeKind::Address:
if (astIsPointer(tok))
result = "pointer";
else
@ -3003,7 +3003,7 @@ struct LifetimeStore {
LifetimeStore(const Token *argtok,
const std::string &message,
ValueFlow::Value::LifetimeKind type = ValueFlow::Value::Object)
ValueFlow::Value::LifetimeKind type = ValueFlow::Value::LifetimeKind::Object)
: argtok(argtok), message(message), type(type), errorPath()
{}
@ -3122,12 +3122,12 @@ static void valueFlowLifetimeFunction(Token *tok, TokenList *tokenlist, ErrorLog
return;
if (Token::Match(tok->tokAt(-2), "std :: ref|cref|tie|front_inserter|back_inserter")) {
for (const Token *argtok : getArguments(tok)) {
LifetimeStore{argtok, "Passed to '" + tok->str() + "'.", ValueFlow::Value::Object} .byRef(
LifetimeStore{argtok, "Passed to '" + tok->str() + "'.", ValueFlow::Value::LifetimeKind::Object} .byRef(
tok->next(), tokenlist, errorLogger, settings);
}
} else if (Token::Match(tok->tokAt(-2), "std :: make_tuple|tuple_cat|make_pair|make_reverse_iterator|next|prev|move")) {
for (const Token *argtok : getArguments(tok)) {
LifetimeStore{argtok, "Passed to '" + tok->str() + "'.", ValueFlow::Value::Object} .byVal(
LifetimeStore{argtok, "Passed to '" + tok->str() + "'.", ValueFlow::Value::LifetimeKind::Object} .byVal(
tok->next(), tokenlist, errorLogger, settings);
}
} else if (Token::Match(tok->tokAt(-2), "%var% . push_back|push_front|insert|push|assign") &&
@ -3138,10 +3138,10 @@ static void valueFlowLifetimeFunction(Token *tok, TokenList *tokenlist, ErrorLog
if (n > 1 && Token::typeStr(args[n - 2]) == Token::typeStr(args[n - 1]) &&
(((astIsIterator(args[n - 2]) && astIsIterator(args[n - 1])) ||
(astIsPointer(args[n - 2]) && astIsPointer(args[n - 1]))))) {
LifetimeStore{args.back(), "Added to container '" + vartok->str() + "'.", ValueFlow::Value::Object} .byDerefCopy(
LifetimeStore{args.back(), "Added to container '" + vartok->str() + "'.", ValueFlow::Value::LifetimeKind::Object} .byDerefCopy(
vartok, tokenlist, errorLogger, settings);
} else if (!args.empty() && isLifetimeBorrowed(args.back(), settings)) {
LifetimeStore{args.back(), "Added to container '" + vartok->str() + "'.", ValueFlow::Value::Object} .byVal(
LifetimeStore{args.back(), "Added to container '" + vartok->str() + "'.", ValueFlow::Value::LifetimeKind::Object} .byVal(
vartok, tokenlist, errorLogger, settings);
}
} else if (tok->function()) {
@ -3176,7 +3176,7 @@ static void valueFlowLifetimeFunction(Token *tok, TokenList *tokenlist, ErrorLog
continue;
}
const Token *argtok = args[n];
LifetimeStore ls{argtok, "Passed to '" + tok->str() + "'.", ValueFlow::Value::Object};
LifetimeStore ls{argtok, "Passed to '" + tok->str() + "'.", ValueFlow::Value::LifetimeKind::Object};
ls.errorPath = v.errorPath;
ls.errorPath.emplace_front(returnTok, "Return " + lifetimeType(returnTok, &v) + ".");
if (var->isReference() || var->isRValueReference()) {
@ -3204,7 +3204,7 @@ static void valueFlowLifetimeConstructor(Token *tok, TokenList *tokenlist, Error
if (i >= args.size())
break;
const Token *argtok = args[i];
LifetimeStore ls{argtok, "Passed to constructor of '" + t->name() + "'.", ValueFlow::Value::Object};
LifetimeStore ls{argtok, "Passed to constructor of '" + t->name() + "'.", ValueFlow::Value::LifetimeKind::Object};
if (var.isReference() || var.isRValueReference()) {
ls.byRef(tok, tokenlist, errorLogger, settings);
} else {
@ -3216,7 +3216,7 @@ static void valueFlowLifetimeConstructor(Token *tok, TokenList *tokenlist, Error
} else if (Token::simpleMatch(tok, "{") && (astIsContainer(tok->astParent()) || astIsPointer(tok->astParent()))) {
std::vector<const Token *> args = getArguments(tok);
for (const Token *argtok : args) {
LifetimeStore ls{argtok, "Passed to initializer list.", ValueFlow::Value::Object};
LifetimeStore ls{argtok, "Passed to initializer list.", ValueFlow::Value::LifetimeKind::Object};
ls.byVal(tok, tokenlist, errorLogger, settings);
}
}
@ -3310,10 +3310,10 @@ static void valueFlowLifetime(TokenList *tokenlist, SymbolDatabase*, ErrorLogger
for (const Token * tok2 = lam.bodyTok; tok2 != lam.bodyTok->link(); tok2 = tok2->next()) {
ErrorPath errorPath;
if (captureByRef) {
LifetimeStore{tok2, "Lambda captures variable by reference here.", ValueFlow::Value::Lambda} .byRef(
LifetimeStore{tok2, "Lambda captures variable by reference here.", ValueFlow::Value::LifetimeKind::Lambda} .byRef(
tok, tokenlist, errorLogger, settings, isCapturingVariable);
} else if (captureByValue) {
LifetimeStore{tok2, "Lambda captures variable by value here.", ValueFlow::Value::Lambda} .byVal(
LifetimeStore{tok2, "Lambda captures variable by value here.", ValueFlow::Value::LifetimeKind::Lambda} .byVal(
tok, tokenlist, errorLogger, settings, isCapturingVariable);
}
}
@ -3333,7 +3333,7 @@ static void valueFlowLifetime(TokenList *tokenlist, SymbolDatabase*, ErrorLogger
value.tokvalue = lifeTok;
value.errorPath = errorPath;
if (astIsPointer(lifeTok) || !Token::Match(lifeTok->astParent(), ".|["))
value.lifetimeKind = ValueFlow::Value::Address;
value.lifetimeKind = ValueFlow::Value::LifetimeKind::Address;
setTokenValue(tok, value, tokenlist->getSettings());
valueFlowForwardLifetime(tok, tokenlist, errorLogger, settings);
@ -3358,7 +3358,7 @@ static void valueFlowLifetime(TokenList *tokenlist, SymbolDatabase*, ErrorLogger
value.lifetimeScope = ValueFlow::Value::Local;
value.tokvalue = tok;
value.errorPath = errorPath;
value.lifetimeKind = isIterator ? ValueFlow::Value::Iterator : ValueFlow::Value::Object;
value.lifetimeKind = isIterator ? ValueFlow::Value::LifetimeKind::Iterator : ValueFlow::Value::LifetimeKind::Object;
setTokenValue(tok->tokAt(3), value, tokenlist->getSettings());
valueFlowForwardLifetime(tok->tokAt(3), tokenlist, errorLogger, settings);
@ -5501,7 +5501,7 @@ ValueFlow::Value::Value(const Token *c, long long val)
varId(0U),
conditional(false),
defaultArg(false),
lifetimeKind(Object),
lifetimeKind(LifetimeKind::Object),
lifetimeScope(Local),
valueKind(ValueKind::Possible)
{

4
lib/valueflow.h
View File

@ -52,7 +52,7 @@ namespace ValueFlow {
varId(0U),
conditional(false),
defaultArg(false),
lifetimeKind(Object),
lifetimeKind(LifetimeKind::Object),
lifetimeScope(Local),
valueKind(ValueKind::Possible)
{}
@ -167,7 +167,7 @@ namespace ValueFlow {
/** Is this value passed as default parameter to the function? */
bool defaultArg;
enum LifetimeKind {Object, Lambda, Iterator, Address} lifetimeKind;
enum class LifetimeKind {Object, Lambda, Iterator, Address} lifetimeKind;
enum LifetimeScope { Local, Argument } lifetimeScope;