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116 lines
4.0 KiB
C++
116 lines
4.0 KiB
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify %s
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void clang_analyzer_warnIfReached();
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// Tests for [[clang::suppress]] with diagnostic identifier arguments.
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// ============================================================================
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// Group A: Bare [[clang::suppress]] vs. with identifier
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// ============================================================================
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void bare_suppress() {
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[[clang::suppress]] {
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clang_analyzer_warnIfReached(); // no-warning: bare suppress works
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}
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}
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void suppress_with_identifier() {
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// FIXME: This should suppress debug.ExprInspection warnings, but currently
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// any identifier makes the suppression a no-op.
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[[clang::suppress("debug.ExprInspection")]] {
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clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
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}
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}
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void suppress_with_wrong_identifier() {
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// Even with the wrong checker name, the current behavior is the same:
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// any identifier makes the suppression a no-op.
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[[clang::suppress("alpha.SomeOtherChecker")]] {
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clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
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}
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}
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// ============================================================================
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// Group B: Identifier on declarations
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// ============================================================================
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[[clang::suppress]] void decl_bare_suppress() {
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clang_analyzer_warnIfReached(); // no-warning
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}
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// FIXME: Should suppress, but currently identifiers disable suppression.
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[[clang::suppress("debug.ExprInspection")]] void decl_with_identifier() {
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clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
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}
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// ============================================================================
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// Group C: Identifier on class
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// ============================================================================
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struct [[clang::suppress]] C_BareSuppressedClass {
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void method() {
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clang_analyzer_warnIfReached(); // no-warning
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}
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};
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// FIXME: Should suppress, but identifiers disable suppression.
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struct [[clang::suppress("core")]] C_IdentifierSuppressedClass {
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void method() {
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clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
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}
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};
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// ============================================================================
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// Group D: Multiple identifiers
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// ============================================================================
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void multiple_identifiers() {
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// FIXME: Multiple identifiers — currently treated as a no-op.
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[[clang::suppress("core.NullDereference", "core.DivideZero")]] {
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clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
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}
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}
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// ============================================================================
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// Group E: Empty string identifier
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// ============================================================================
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void empty_string_identifier() {
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// An empty string is still a non-empty identifier list.
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[[clang::suppress("")]] {
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clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
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}
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}
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// ============================================================================
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// Group F: Mixed — bare suppress and identifier suppress in same function
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// ============================================================================
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void mixed_suppressions() {
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[[clang::suppress]] {
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clang_analyzer_warnIfReached(); // no-warning: bare suppress works
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}
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// FIXME: Should suppress too, but identifiers disable it.
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[[clang::suppress("debug.ExprInspection")]] {
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clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
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}
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}
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// ============================================================================
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// Group G: Identifier on namespace
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// ============================================================================
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namespace [[clang::suppress]] G_BareNS {
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void func() {
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clang_analyzer_warnIfReached(); // no-warning
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}
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} // namespace G_BareNS
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// FIXME: Should suppress, but identifiers disable it.
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namespace [[clang::suppress("core")]] G_IdentifierNS {
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void func() {
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clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
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}
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} // namespace G_IdentifierNS
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