[clang] nonblocking/nonallocating attributes: 2nd pass caller/callee analysis (PR #99656)

via cfe-commits cfe-commits at lists.llvm.org
Thu Aug 1 21:41:58 PDT 2024


================
@@ -2397,6 +2397,1262 @@ class UnsafeBufferUsageReporter : public UnsafeBufferUsageHandler {
 };
 } // namespace
 
+// =============================================================================
+
+namespace FXAnalysis {
+
+enum class DiagnosticID : uint8_t {
+  None = 0, // sentinel for an empty Diagnostic
+  Throws,
+  Catches,
+  CallsObjC,
+  AllocatesMemory,
+  HasStaticLocal,
+  AccessesThreadLocal,
+
+  // These only apply to callees, where the analysis stops at the Decl
+  DeclDisallowsInference,
+
+  CallsDeclWithoutEffect,
+  CallsExprWithoutEffect,
+};
+
+// Holds an effect diagnosis, potentially for the entire duration of the
+// analysis phase, in order to refer to it when explaining why a caller has been
+// made unsafe by a callee.
+struct Diagnostic {
----------------
Sirraide wrote:

Yeah, something like that works better imo (I’m mainly against the term ‘diagnostic’ in particular because that already has such an established meaning in Clang...)

https://github.com/llvm/llvm-project/pull/99656


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