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| CodeSonar® 9.2p0 | CONFIDENTIAL | CodeSecure Inc |
A ternary conditional ?: expression is nested in a larger expression.
| クラス名 | Nested Conditional Operator | ||||||
|---|---|---|---|---|---|---|---|
| 日本語クラス名 | Nested Conditional Operator | ||||||
| クラス分類 | スタイル (style) | ||||||
| ニーモニック | LANG.STRUCT.NCO | ||||||
| カテゴリー |
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| 対応言語 | C および C++ で利用可能です。 |
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| 有効/無効設定 | このワーニングクラスのチェックはデフォルトで無効になっており、プロジェクトには非正規の C向けAST
が必要になります。有効にするにはプロジェクト設定ファイル (configuration file) に以下の WARNING_FILTER ルールと
RETAIN_UNNORMALIZED_C_AST 設定を追加してください。
RETAIN_UNNORMALIZED_C_AST = Yes WARNING_FILTER += allow class="Nested Conditional Operator" |
int compute(int, int);
int nested_conditional(int x, int y) {
int result;
result = x < 5 ? 2 : 3; /* ok: no nesting */
result += x < 10 ? 2 : 3; /* ok: no nesting */
result = result + (x < 10 ? 2 : 3); /* 'Nested Conditional Operator' warning issued here
* - Note that this statement has the same semantics as the previous one,
* but different syntax with nesting on the RHS.
*/
result += (x < 0 ? 0 : (y < 0 ? 1 : x+y)); /* 'Nested Conditional Operator' warning issued here */
result += compute(x < 0 ? 0 : x,
y < 0 ? 0 : x); /* ok: function arguments are not considered nested */
return result;
}
設定ファイルの以下のパラメータがこのワーニングクラスのチェックに影響します。
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