[Sema] Add miscellaneous sema diagnostics to check that the new os log

APIs and atomic operations are passed compile-time constants for
certain arguments.

Author: ravikandhadai

include/swift/AST/DiagnosticsSema.def

@@ -5031,6 +5031,29 @@ ERROR(differentiable_programming_attr_used_without_required_module, none,
       "'@%0' attribute used without importing module %1",
       (StringRef, Identifier))
 
+ERROR(oslog_arg_must_be_bool_literal, none,
+      "argument must be a bool literal", ())
+ERROR(oslog_arg_must_be_integer_literal, none,
+      "argument must be an integer literal", ())
+ERROR(oslog_arg_must_be_string_literal, none,
+      "argument must be a string literal", ())
+ERROR(oslog_arg_must_be_float_literal, none,
+      "argument must be a floating-point literal", ())
+ERROR(oslog_arg_must_be_metatype_literal, none,
+      "argument must be a <Type>.self", ())
+ERROR(oslog_arg_must_be_closure, none, "argument must be a closure", ())
+ERROR(argument_must_be_constant, none,
+      "argument must be an expression with only literals", ())
+ERROR(oslog_message_must_be_string_interpolation, none,
+      "argument must be a string interpolation", ())
+ERROR(oslog_arg_must_be_enum_case, none,
+      "argument must be a case of enum %0", (Identifier))
+ERROR(oslog_arg_must_be_type_member_access, none,
+      "argument must be a static method or property of %0", (Identifier))
+ERROR(atomics_ordering_must_be_constant, none,
+      "ordering argument must be a static method or property of %0",
+      (Identifier))
+
 #ifndef DIAG_NO_UNDEF
 # if defined(DIAG)
 #  undef DIAG

include/swift/AST/KnownIdentifiers.def

@@ -203,6 +203,11 @@ IDENTIFIER_(nsError)
 // Custom string interpolation type used by os log APIs.
 IDENTIFIER(OSLogMessage)
 
+// Atomics ordering type identifiers.
+IDENTIFIER(AtomicLoadOrdering)
+IDENTIFIER(AtomicStoreOrdering)
+IDENTIFIER(AtomicUpdateOrdering)
+
 // Differentiable programming
 IDENTIFIER(along)
 IDENTIFIER(differential)

include/swift/AST/SemanticAttrs.def

@@ -68,9 +68,10 @@ SEMANTICS_ATTR(OPTIMIZE_SIL_SPECIALIZE_GENERIC_PARTIAL_NEVER,
 SEMANTICS_ATTR(OPTIMIZE_SIL_SPECIALIZE_GENERIC_SIZE_NEVER,
           "optimize.sil.specialize.generic.size.never")
 
-SEMANTICS_ATTR(OSLOG_INTERPOLATION_INIT, "oslog.interpolation.init")
 SEMANTICS_ATTR(OSLOG_MESSAGE_INIT_INTERPOLATION, "oslog.message.init_interpolation")
 SEMANTICS_ATTR(OSLOG_MESSAGE_INIT_STRING_LITERAL, "oslog.message.init_stringliteral")
+SEMANTICS_ATTR(OSLOG_REQUIRES_CONSTANT_ARGUMENTS, "oslog.requires_constant_arguments")
+SEMANTICS_ATTR(ATOMICS_REQUIRES_CONSTANT_ORDERINGS, "atomics.requires_constant_orderings")
 
 SEMANTICS_ATTR(TYPE_CHECKER_OPEN_EXISTENTIAL, "typechecker._openExistential(_:do:)")
 SEMANTICS_ATTR(TYPE_CHECKER_TYPE, "typechecker.type(of:)")

lib/Sema/CMakeLists.txt

@@ -10,6 +10,7 @@ add_swift_host_library(swiftSema STATIC
   CSFix.cpp
   CSDiagnostics.cpp
   CodeSynthesis.cpp
+  ConstantnessSemaDiagnostics.cpp
   Constraint.cpp
   ConstraintGraph.cpp
   ConstraintLocator.cpp