//===--- DiagnosticsSIL.def - Diagnostics Text ------------------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
//  This file defines diagnostics emitted during SIL (dataflow) analysis.
//  Each diagnostic is described using one of three kinds (error, warning, or
//  note) along with a unique identifier, category, options, and text, and is
//  followed by a signature describing the diagnostic argument kinds.
//
//===----------------------------------------------------------------------===//

#define DEFINE_DIAGNOSTIC_MACROS
#include "DefineDiagnosticMacros.h"

// SILGen issues.
WARNING(return_borrowing_switch_binding,none,
        "returning the non-'Copyable' value of a pattern binding from a "
        "switch that borrows by default; the switch will be performed as a "
        "consume for compatibility for now, but this will require an explicit "
        "'switch consume' in the future", ())

ERROR(bridging_module_missing,none,
      "unable to find module '%0' for implicit conversion function '%0.%1'",
      (StringRef, StringRef))
ERROR(bridging_function_missing,none,
      "unable to find implicit conversion function '%0.%1'",
      (StringRef, StringRef))
ERROR(bridging_function_overloaded,none,
      "multiple definitions of implicit conversion function '%0.%1'",
      (StringRef, StringRef))
ERROR(bridging_function_not_function,none,
      "definition of implicit conversion function '%0.%1' is not a function",
      (StringRef, StringRef))
ERROR(bridging_function_not_correct_type,none,
      "definition of implicit conversion function '%0.%1' is not of the correct"
      " type",
      (StringRef, StringRef))
ERROR(bridging_objcbridgeable_missing,none,
      "cannot find definition of '_ObjectiveCBridgeable' protocol", ())
ERROR(bridging_objcbridgeable_broken,none,
      "broken definition of '_ObjectiveCBridgeable' protocol: missing %0",
      (DeclName))

ERROR(sil_function_redefinition,none,
      "multiple definitions of symbol '%0'",
      (StringRef))
NOTE(sil_function_redefinition_note,none,
      "other definition here",
      ())

ERROR(invalid_sil_builtin,none,
      "INTERNAL ERROR: invalid use of builtin: %0",
      (StringRef))
ERROR(could_not_find_bridge_type,none,
      "could not find Objective-C bridge type for type %0; "
      "did you forget to import Foundation?", (Type))
ERROR(could_not_find_pointer_pointee_property,none,
      "could not find 'pointee' property of pointer type %0", (Type))

ERROR(writeback_overlap_property,none,
      "inout writeback to computed property %0 occurs in multiple arguments to"
      " call, introducing invalid aliasing", (Identifier))
ERROR(writeback_overlap_subscript,none,
      "inout writeback through subscript occurs in multiple arguments to call,"
      " introducing invalid aliasing",
      ())
NOTE(writebackoverlap_note,none,
      "concurrent writeback occurred here", ())

ERROR(inout_argument_alias,none,
      "inout arguments are not allowed to alias each other", ())
NOTE(previous_inout_alias,none,
      "previous aliasing argument", ())

ERROR(unimplemented_generator_witnesses,none,
      "protocol conformance emission for generator coroutines is unimplemented",
      ())

ERROR(exclusivity_access_required,none,
      "overlapping accesses to %0, but "
      "%select{initialization|read|modification|deinitialization}1 requires "
      "exclusive access; "
      "%select{consider copying to a local variable|"
              "consider calling MutableCollection.swapAt(_:_:)}2",
      (StringRef, unsigned, bool))

ERROR(exclusivity_access_required_unknown_decl,none,
        "overlapping accesses, but "
        "%select{initialization|read|modification|deinitialization}0 requires "
        "exclusive access; consider copying to a local variable", (unsigned))

ERROR(exclusivity_access_required_moveonly,none,
      "overlapping accesses to %0, but "
      "%select{initialization|read|modification|deinitialization}1 requires "
      "exclusive access",
      (StringRef, unsigned))

ERROR(exclusivity_access_required_unknown_decl_moveonly,none,
        "overlapping accesses, but "
        "%select{initialization|read|modification|deinitialization}0 requires "
        "exclusive access", (unsigned))

NOTE(exclusivity_conflicting_access,none,
     "conflicting access is here", ())

ERROR(unsupported_sil_builtin,none,
      "builtin '%0' is not supported by SIL generation", (StringRef))

ERROR(unsupported_c_function_pointer_conversion,none,
      "C function pointer signature %0 is not compatible with expected type %1",
      (Type, Type))

ERROR(c_function_pointer_from_function_with_context,none,
      "a C function pointer cannot be formed from a "
      "%select{local function|closure}0 that captures "
      "%select{context|generic parameters|dynamic Self type}1",
      (bool, unsigned))

ERROR(objc_selector_malformed,none,"the type ObjectiveC.Selector is malformed",
      ())

ERROR(unsupported_variadic_function_abstraction,none,
      "cannot fully abstract a value of variadic function type %0 because "
      "different contexts will not be able to reliably agree on a calling "
      "convention; try wrapping it in a struct",
      (Type))

ERROR(function_type_mismatch,none,
      "function type mismatch, declared as %0 but used as %1", (Type, Type))
NOTE(function_declared_here,none,
     "function declared here", ())

ERROR(deserialize_function_type_mismatch,Fatal,
      "type mismatch of function '%0', declared as %1 but used in a swift module as %2",
      (StringRef, Type, Type))

ERROR(without_actually_escaping_on_isolated_any,none,
      "withoutActuallyEscaping is currently unimplemented for '@isolated(any)' "
      "function values", ())

// Capture before declaration diagnostics.
ERROR(capture_before_declaration,none,
      "closure captures %0 before it is declared", (Identifier))
NOTE(captured_value_declared_here,none,
     "captured value declared here", ())

#define SELECT_ESCAPING_CLOSURE_KIND "escaping %select{local function|closure|autoclosure}0"

// Invalid escaping capture diagnostics.
ERROR(escaping_inout_capture,none,
      SELECT_ESCAPING_CLOSURE_KIND
      " captures 'inout' parameter %1",
      (unsigned, Identifier))
NOTE(inout_param_defined_here,none,
     "parameter %0 is declared 'inout'", (Identifier))
ERROR(escaping_mutable_self_capture,none,
      SELECT_ESCAPING_CLOSURE_KIND
      " captures mutating 'self' parameter", (unsigned))

ERROR(escaping_noescape_param_capture,none,
      SELECT_ESCAPING_CLOSURE_KIND
      " captures non-escaping parameter %1", (unsigned, Identifier))
NOTE(noescape_param_defined_here,none,
     "parameter %0 is implicitly non-escaping", (Identifier))

ERROR(escaping_noescape_var_capture,none,
      SELECT_ESCAPING_CLOSURE_KIND
      " captures non-escaping value", (unsigned))

NOTE(value_captured_here,none,"captured here", ())

NOTE(copy_inout_captured_by_autoclosure,none, "pass a copy of %0", (Identifier))

NOTE(copy_self_captured_by_autoclosure,none, "pass a copy of 'self'", ())

#undef SELECT_ESCAPING_CLOSURE_KIND

NOTE(value_captured_transitively,none,
     "captured indirectly by this call", ())

ERROR(err_noescape_param_call,none,
      "passing a %select{|closure which captures a }1non-escaping function "
      "parameter %0 to a call to a non-escaping function parameter can allow "
      "re-entrant modification of a variable",
      (DeclName, unsigned))

// Definite initialization diagnostics.
NOTE(variable_defined_here,none,
     "%select{variable|constant}0 defined here", (bool))
ERROR(variable_used_before_initialized,none,
      "%select{variable|constant}1 '%0' used before being initialized",
      (StringRef, bool))
ERROR(variable_inout_before_initialized,none,
      "%select{variable|constant}1 '%0' passed by reference before being"
      " initialized", (StringRef, bool))
ERROR(variable_closure_use_uninit,none,
      "%select{variable|constant}1 '%0' captured by a closure before being"
      " initialized", (StringRef, bool))
ERROR(variable_defer_use_uninit,none,
      "%select{variable|constant}1 '%0' used in defer before being"
      " initialized", (StringRef, bool))
ERROR(self_closure_use_uninit,none,
      "'self' captured by a closure before all members were initialized", ())



ERROR(variable_addrtaken_before_initialized,none,
      "address of %select{variable|constant}1 '%0' taken before it is"
      " initialized", (StringRef, bool))
ERROR(ivar_not_initialized_at_superinit,none,
      "property '%0' not initialized at super.init call", (StringRef, bool))
ERROR(ivar_not_initialized_at_implicit_superinit,none,
      "property '%0' not initialized at implicitly generated super.init call",
      (StringRef, bool))
ERROR(ivar_not_initialized_by_init_accessor,none,
      "property %0 not initialized by init accessor",
      (DeclName))

ERROR(noncopyable_dynamic_lifetime_unsupported,none,
      "conditional initialization or destruction of noncopyable types is not "
      "supported; this variable must be consistently in an initialized or "
      "uninitialized state through every code path", ())

ERROR(self_use_before_fully_init,none,
      "'self' used in %select{method call|property access}1 %0 before "
      "%select{all stored properties are initialized|"
      "'super.init' call|"
      "'self.init' call}2", (DeclBaseName, bool, unsigned))
ERROR(use_of_self_before_fully_init,none,
      "'self' used before all stored properties are initialized", ())


NOTE(stored_property_not_initialized,none,
     "'%0' not initialized", (StringRef))
NOTE(isolated_property_initializer,none,
     "%1 default value of '%0' cannot be used in a %2 initalizer",
     (StringRef, ActorIsolation, ActorIsolation))

ERROR(selfinit_multiple_times,none,
      "'%select{super|self}0.init' called multiple times in initializer",
      (unsigned))
ERROR(superselfinit_not_called_before_return,none,
      "'%select{super|self}0.init' isn't called on all paths before returning "
      "from initializer", (unsigned))
ERROR(self_before_superinit,none,
      "'self' used before 'super.init' call", ())
ERROR(self_before_selfinit,none,
      "'self' used before 'self.init' call", ())
ERROR(self_before_selfinit_value_type,none,
      "'self' used before 'self.init' call or assignment to 'self'", ())
ERROR(self_inside_catch_superselfinit,none,
      "'self' used inside 'catch' block reachable from "
      "%select{super|self}0.init call",
      (unsigned))
ERROR(return_from_init_without_initing_stored_properties,none,
      "return from initializer without initializing all"
      " stored properties", ())

ERROR(explicit_store_of_compilerinitialized,none,
      "illegal assignment to '@_compilerInitialized' storage", ())
ERROR(variable_function_use_uninit,none,
      "%select{variable|constant}1 '%0' used by function definition before"
      " being initialized",
      (StringRef, bool))
ERROR(struct_not_fully_initialized,none,
      "struct '%0' must be completely initialized before a member is stored to",
      (StringRef, bool))
ERROR(immutable_property_already_initialized,none,
      "immutable value '%0' may only be initialized once",
      (StringRef))
NOTE(initial_value_provided_in_let_decl,none,
     "initial value already provided in 'let' declaration", ())
ERROR(mutation_of_property_of_immutable_value,none,
      "cannot mutate %select{property %0|subscript}1 of immutable value '%2'",
      (DeclBaseName, bool, StringRef))
ERROR(using_mutating_accessor_on_immutable_value,none,
      "mutating accessor for %select{property %0|subscript}1 may not"
      " be used on immutable value '%2'",
      (DeclBaseName, bool, StringRef))
ERROR(mutating_method_called_on_immutable_value,none,
      "mutating %select{method|operator}1 %0 may not"
      " be used on immutable value '%2'",
      (DeclBaseName, unsigned, StringRef))
ERROR(immutable_value_passed_inout,none,
      "immutable value '%0' must not be passed inout",
      (StringRef))
ERROR(assignment_to_immutable_value,none,
      "immutable value '%0' must not be assigned to",
      (StringRef))

WARNING(designated_init_in_cross_module_extension,none,
        "initializer for struct %0 must use \"self.init(...)\" or \"self = ...\""
        "%select{| on all paths}1 because "
        "%select{it is not in module %2|the struct was imported from C}3",
        (Type, bool, Identifier, bool))
NOTE(designated_init_c_struct_fix,none,
     "use \"self.init()\" to initialize the struct with zero values", ())


// Control flow diagnostics.
ERROR(missing_return_closure,none,
      "missing return in closure expected to return %0",
      (Type))
ERROR(missing_never_call_closure,none,
      "closure with uninhabited return type %0 is missing "
      "call to another never-returning function on all paths",
      (Type))

ERROR(missing_return_decl,none,
      "missing return in %kindonly1 expected to return %0",
      (Type, const AbstractFunctionDecl *))
ERROR(missing_never_call_decl,none,
      "%kindonly1 with uninhabited return type %0 is missing "
      "call to another never-returning function on all paths",
      (Type, const AbstractFunctionDecl *))

NOTE(missing_return_last_expr_note,none,
    "did you mean to return the last expression?", ())

ERROR(guard_body_must_not_fallthrough,none,
      "'guard' body must not fall through, consider using a 'return' or 'throw'"
      " to exit the scope", ())
WARNING(unreachable_code,none, "will never be executed", ())
NOTE(unreachable_code_uninhabited_param_note,none,
     "'%0' is of type %1 which cannot be constructed because %select{it "
     "contains %3 which is an enum with no cases|it is an enum with no cases}2",
     (StringRef, Type, bool, Type))
NOTE(unreachable_code_branch,none,
     "condition always evaluates to %select{false|true}0", (bool))
NOTE(call_to_noreturn_note,none,
     "a call to a never-returning function", ())
WARNING(unreachable_code_after_stmt,none,
        "code after '%select{return|break|continue|throw}0' will never "
        "be executed", (unsigned))
WARNING(unreachable_case,none,
        "%select{case|default}0 will never be executed", (bool))
WARNING(switch_on_a_constant,none,
        "switch condition evaluates to a constant", ())
NOTE(unreachable_code_note,none, "will never be executed", ())
WARNING(warn_infinite_recursive_call,none,
        "function call causes an infinite recursion", ())
WARNING(warn_dead_weak_store,none,
        "weak reference will always be nil because the referenced object is "
        "deallocated here", ())

// performance diagnostics
ERROR(performance_dynamic_casting,none,
      "dynamic casting can lock or allocate", ())
ERROR(performance_metadata,none,
      "%0 can cause metadata allocation or locks", (StringRef))
ERROR(performance_metadata_type,none,
      "Using type %0 can cause metadata allocation or locks", (Type))
ERROR(performance_allocating,none,
      "%0 can cause an allocation", (StringRef))
ERROR(performance_deallocating,none,
      "%0 can cause an deallocation", (StringRef))
ERROR(performance_deallocating_type,none,
      "%0 a value of type %1 can cause a deallocation", (StringRef, Type))
ERROR(performance_locking,none,
      "%0 can cause locking", (StringRef))
ERROR(performance_arc,none,
      "this code performs reference counting operations which can cause locking", ())
ERROR(performance_objectivec,none,
      "calls of Objective-C methods can have unpredictable performance", ())
ERROR(performance_unknown_callees,none,
      "called function is not known at compile time and can have unpredictable performance", ())
ERROR(performance_callee_unavailable,none,
      "called function is not available in this module and can have unpredictable performance", ())
ERROR(bad_attr_on_non_const_global,none,
      "global variable must be a compile-time constant to use %0 attribute", (StringRef))
ERROR(global_must_be_compile_time_const,none,
      "global variable must be a compile-time constant", ())
ERROR(embedded_cannot_specialize_class_method,none,
      "classes cannot have a non-final, generic method %0 in embedded Swift", (DeclName))
ERROR(embedded_cannot_specialize_witness_method,none,
      "a protocol type cannot contain a generic method %0 in embedded Swift", (DeclName))
ERROR(cannot_specialize_class,none,
      "cannot specialize %0 because class definition is not available (make sure to build with -wmo)", (Type))
ERROR(embedded_swift_existential_type,none,
      "cannot use a value of protocol type %0 in embedded Swift", (Type))
ERROR(embedded_swift_existential_protocol,none,
      "cannot use a value of protocol type 'any %0' in embedded Swift", (StringRef))
ERROR(embedded_swift_existential,none,
      "cannot use a value of protocol type in embedded Swift", ())
ERROR(perf_diag_existential_type,none,
      "cannot use a value of protocol type %0 in '@_noExistential' function", (Type))
ERROR(perf_diag_existential,none,
      "cannot use a value of protocol type in '@_noExistential' function", ())
ERROR(embedded_swift_value_deinit,none,
      "cannot de-virtualize deinit of type %0", (Type))
ERROR(embedded_swift_metatype_type,none,
      "cannot use metatype of type %0 in embedded Swift", (Type))
ERROR(embedded_swift_metatype,none,
      "cannot use metatype in embedded Swift", ())
ERROR(embedded_swift_keypath,none,
      "cannot use key path in embedded Swift", ())
ERROR(embedded_swift_dynamic_cast,none,
      "cannot do dynamic casting in embedded Swift", ())
ERROR(embedded_swift_allocating_type,none,
      "cannot use allocating type %0 in -no-allocations mode", (Type))
ERROR(embedded_swift_allocating_coroutine,none,
      "cannot use co-routines (like accessors) in -no-allocations mode", ())
ERROR(embedded_swift_allocating_closure,none,
      "cannot use escaping closures in -no-allocations mode", ())
ERROR(embedded_swift_allocating,none,
      "cannot use allocating operation in -no-allocations mode", ())
ERROR(embedded_capture_of_generic_value_with_deinit,none,
      "capturing generic non-copyable type with deinit in escaping closure not supported in embedded Swift", ())
ERROR(embedded_call_generic_function,none,
      "cannot specialize generic function or default protocol method in this context", ())
ERROR(embedded_call_generic_function_with_dynamic_self,none,
      "cannot call an initializer or static method, which is defined as default protocol method, from a class method or initializer", ())
NOTE(embedded_specialization_called_from,none,
      "generic specialization called here", ())
NOTE(embedded_existential_created,none,
      "protocol type value created here", ())
NOTE(embedded_constructor_called,none,
      "instance of type created here", ())
ERROR(wrong_linkage_for_serialized_function,none,
      "function has wrong linkage to be called from %0", (StringRef))
NOTE(performance_called_from,none,
      "called from here", ())

// 'transparent' diagnostics
ERROR(circular_transparent,none,
      "inlining 'transparent' functions forms circular loop", ())
NOTE(note_while_inlining,none,
     "while inlining here", ())

// Pre-specializations
ERROR(cannot_prespecialize,none,
      "Cannot pre-specialize %0", (StringRef))
ERROR(missing_prespecialization,none,
      "Pre-specialized function %0 missing in SwiftOnoneSupport module",
      (StringRef))

// Arithmetic diagnostics.
ERROR(integer_conversion_overflow,none,
      "integer overflows when converted from %0 to %1",
      (Type, Type))
ERROR(integer_conversion_overflow_builtin_types,none,
      "integer overflows when converted from %select{unsigned|signed}0 "
      "%1 to %select{unsigned|signed}2 %3",
      (bool, Type, bool, Type))
WARNING(integer_conversion_overflow_warn,none,
      "integer overflows when converted from %0 to %1",
      (Type, Type))
ERROR(negative_integer_literal_overflow_unsigned,none,
      "negative integer '%1' overflows when stored into unsigned type %0",
      (Type, StringRef))

ERROR(integer_literal_overflow,none,
      "integer literal '%1' overflows when stored into %0",
      (Type, StringRef))
ERROR(integer_literal_overflow_builtin_types,none,
      "integer literal '%2' overflows when stored into "
      "%select{unsigned|signed}0 %1", (bool, Type, StringRef))
WARNING(integer_literal_overflow_warn,none,
      "integer literal overflows when stored into %0",
      (Type))
ERROR(arithmetic_operation_overflow,none,
      "arithmetic operation '%0 %1 %2' (on type %3) results in an overflow",
      (StringRef, StringRef, StringRef, Type))
ERROR(arithmetic_operation_overflow_generic_type,none,
      "arithmetic operation '%0 %1 %2' (on %select{unsigned|signed}3 "
      "%4-bit integer type) results in an overflow",
      (StringRef, StringRef, StringRef, bool, unsigned))
ERROR(division_overflow,none,
      "division '%0 %1 %2' results in an overflow",
      (StringRef, StringRef, StringRef))
ERROR(division_by_zero,none, "division by zero", ())
ERROR(wrong_non_negative_assumption,none,
      "assumed non-negative value '%0' is negative", (StringRef))
ERROR(shifting_all_significant_bits,none,
      "shift amount is greater than or equal to type size in bits", ())

// FIXME: We won't need this as it will be replaced with user-generated strings.
// staticReport diagnostics.
ERROR(static_report_error, none,
      "static report error", ())

ERROR(pound_assert_condition_not_constant,none,
       "#assert condition not constant", ())
ERROR(pound_assert_failure,none,
       "%0", (StringRef))

NOTE(constexpr_unknown_reason_default,none,
    "cannot evaluate expression as constant here", ())
NOTE(constexpr_unevaluable_operation,none,
    "cannot constant evaluate operation%select{| used by this call}0", (bool))

NOTE(constexpr_too_many_instructions,none,
     "exceeded instruction limit: %0 when evaluating the expression "
     "at compile time", (unsigned))
NOTE(constexpr_limit_exceeding_instruction,none, "limit exceeded "
     "%select{here|during this call}0", (bool))

NOTE(constexpr_loop_found_note,none,
    "control-flow loop found during evaluation ", ())
NOTE(constexpr_loop_instruction,none, "found loop "
    "%select{here|inside this call}0", (bool))

NOTE(constexpr_overflow,none, "integer overflow detected", ())
NOTE(constexpr_overflow_operation,none, "operation"
     "%select{| performed during this call}0 overflows", (bool))

NOTE(constexpr_trap, none, "%0", (StringRef))
NOTE(constexpr_trap_operation, none, "operation"
     "%select{| performed during this call}0 traps", (bool))

NOTE(constexpr_invalid_operand_seen, none,
    "operation with invalid operands encountered during evaluation",())
NOTE(constexpr_operand_invalid_here, none,
    "operation with invalid operands encountered "
    "%select{here|during this call}0", (bool))

NOTE(constexpr_value_unknown_at_top_level,none,
    "cannot evaluate top-level value as constant here",())
NOTE(constexpr_multiple_writers_found_at_top_level,none,
     "top-level value has multiple assignments",())

NOTE(constexpr_unsupported_instruction_found, none,
    "encountered operation not supported by the evaluator: %0", (StringRef))
NOTE(constexpr_unsupported_instruction_found_here,none, "operation"
     "%select{| used by this call is}0 not supported by the evaluator", (bool))

NOTE(constexpr_found_callee_with_no_body, none,
    "encountered call to '%0' whose body is not available. "
    "Imported functions must be marked '@inlinable' to constant evaluate",
    (StringRef))
NOTE(constexpr_callee_with_no_body, none,
    "%select{|calls a }0function whose body is not available", (bool))

NOTE(constexpr_found_call_with_unknown_arg, none,
    "encountered call to '%0' where the %1 argument is not a constant",
    (StringRef, StringRef))
NOTE(constexpr_call_with_unknown_arg, none,
    "%select{|makes a }0function call with non-constant arguments", (bool))

NOTE(constexpr_untracked_sil_value_use_found, none,
    "encountered use of a variable not tracked by the evaluator", ())
NOTE(constexpr_untracked_sil_value_used_here, none,
    "untracked variable used %select{here|by this call}0", (bool))

NOTE(constexpr_unevaluable_cast_found, none,
    "encountered an unevaluable cast", ())
NOTE(constexpr_unevaluable_cast_used_here, none,
    "unevaluable cast encountered %select{here|by this call}0", (bool))

NOTE(constexpr_unresolvable_witness_call, none,
    "encountered unresolvable witness method call: '%0'", (StringRef))
NOTE(constexpr_no_witness_table_entry, none, "cannot find witness table entry "
    "%select{for this call|for a witness-method invoked during this call}0",
    (bool))
NOTE(constexpr_witness_call_with_no_conformance, none,
    "cannot find concrete conformance "
    "%select{for this call|for a witness-method invoked during this call}0",
    (bool))

REMARK(constexpr_unknown_control_flow_due_to_skip,none, "branch depends on "
     "non-constant value produced by an unevaluated instructions", ())
NOTE(constexpr_returned_by_unevaluated_instruction,none,
     "result of an unevaluated instruction is not a constant", ())
NOTE(constexpr_mutated_by_unevaluated_instruction,none, "value mutable by an "
    "unevaluated instruction is not a constant", ())

ERROR(not_constant_evaluable, none, "not constant evaluable", ())
ERROR(constexpr_imported_func_not_onone, none, "imported constant evaluable "
      "function '%0' must be annotated '@_optimize(none)'", (StringRef))

// Differentiation transform diagnostics
ERROR(autodiff_internal_swift_not_imported,none,
      "Automatic differentiation internal error: the Swift module is not "
      "imported", ())
ERROR(autodiff_differentiation_module_not_imported,none,
      "Automatic differentiation requires the '_Differentiation' module to be "
      "imported", ())
ERROR(autodiff_conversion_to_linear_function_not_supported,none,
      "conversion to '@differentiable(_linear)' function type is not yet "
      "supported", ())
ERROR(autodiff_function_not_differentiable_error,none,
      "function is not differentiable", ())
ERROR(autodiff_expression_not_differentiable_error,none,
      "expression is not differentiable", ())
NOTE(autodiff_expression_not_differentiable_note,none,
     "expression is not differentiable", ())
NOTE(autodiff_when_differentiating_function_call,none,
     "when differentiating this function call", ())
NOTE(autodiff_when_differentiating_function_definition,none,
     "when differentiating this function definition", ())
NOTE(autodiff_implicitly_inherited_differentiable_attr_here,none,
     "differentiability required by the corresponding protocol requirement "
     "here", ())
NOTE(autodiff_jvp_control_flow_not_supported,none,
     "forward-mode differentiation does not yet support control flow", ())
NOTE(autodiff_control_flow_not_supported,none,
     "cannot differentiate unsupported control flow", ())
NOTE(autodiff_missing_return,none,
     "missing return for differentiation", ())
NOTE(autodiff_external_nondifferentiable_function,none,
     "cannot differentiate functions that have not been marked "
     "'@differentiable' and that are defined in other files", ())
NOTE(autodiff_opaque_function_not_differentiable,none,
     "opaque non-'@differentiable' function is not differentiable", ())
NOTE(autodiff_private_derivative_from_fragile,none,
     "differentiated functions in "
     "%select{'@inlinable' functions|default arguments}0 must be marked "
     "'@differentiable' or have a public '@derivative'"
     "%select{|; this is not possible with a closure, make a top-level "
     "function instead}1", (unsigned, bool))
NOTE(autodiff_function_noderivative_parameter_not_differentiable,none,
     "cannot differentiate with respect to a '@noDerivative' parameter", ())
NOTE(autodiff_function_assoc_func_unmet_requirements,none,
     "function call is not differentiable because generic requirements are not "
     "met: '%0'", (/*requirements*/ StringRef))
NOTE(autodiff_nondifferentiable_argument,none,
     "cannot differentiate through a non-differentiable argument; do you want "
     "to use 'withoutDerivative(at:)'?", ())
NOTE(autodiff_nondifferentiable_result,none,
     "cannot differentiate through a non-differentiable result; do you want to "
     "use 'withoutDerivative(at:)'?", ())
NOTE(autodiff_protocol_member_not_differentiable,none,
     "member is not differentiable because the corresponding protocol "
     "requirement is not '@differentiable'", ())
NOTE(autodiff_class_member_not_differentiable,none,
     "member is not differentiable because the corresponding class member "
     "is not '@differentiable'", ())
NOTE(autodiff_member_subset_indices_not_differentiable,none,
     "member is differentiable only with respect to a smaller subset of "
     "arguments", ())
// TODO(TF-642): Remove when `partial_apply` works with `@differentiable`
// functions.
NOTE(autodiff_cannot_param_subset_thunk_partially_applied_orig_fn,none,
     "cannot convert a direct method reference to a '@differentiable' "
     "function; use an explicit closure instead", ())
NOTE(autodiff_cannot_differentiate_through_direct_yield,none,
     "cannot differentiate through a '_read' accessor", ())
NOTE(autodiff_enums_unsupported,none,
     "differentiating enum values is not yet supported", ())
NOTE(autodiff_stored_property_parent_not_differentiable,none,
     "cannot differentiate access to property '%0.%1' because '%0' does not "
     "conform to 'Differentiable'", (StringRef, StringRef))
NOTE(autodiff_stored_property_not_differentiable,none,
     "cannot differentiate access to property '%0.%1' because property type %2 "
     "does not conform to 'Differentiable'", (StringRef, StringRef, Type))
NOTE(autodiff_stored_property_tangent_not_struct,none,
     "cannot differentiate access to property '%0.%1' because "
     "'%0.TangentVector' is not a struct", (StringRef, StringRef))
NOTE(autodiff_stored_property_no_corresponding_tangent,none,
     "cannot differentiate access to property '%0.%1' because "
     "'%0.TangentVector' does not have a stored property named '%1'",
     (StringRef, StringRef))
NOTE(autodiff_tangent_property_wrong_type,none,
     "cannot differentiate access to property '%0.%1' because "
     "'%0.TangentVector.%1' does not have expected type %2",
     (StringRef, StringRef, /*originalPropertyTanType*/ Type))
NOTE(autodiff_tangent_property_not_stored,none,
     "cannot differentiate access to property '%0.%1' because "
     "'%0.TangentVector.%1' is not a stored property", (StringRef, StringRef))
NOTE(autodiff_coroutines_not_supported,none,
     "differentiation of coroutine calls is not yet supported", ())
NOTE(autodiff_cannot_differentiate_writes_to_global_variables,none,
     "cannot differentiate writes to global variables", ())
NOTE(autodiff_cannot_differentiate_writes_to_mutable_captures,none,
     "cannot differentiate writes to mutable captures", ())

ERROR(non_physical_addressof,none,
      "addressof only works with purely physical lvalues; "
      "use 'withUnsafePointer' or 'withUnsafeBytes' unless you're implementing "
      "'withUnsafePointer' or 'withUnsafeBytes'", ())
ERROR(non_borrowed_indirect_addressof,none,
      "addressof only works with borrowable in-memory rvalues; "
      "use 'withUnsafePointer' or 'withUnsafeBytes' unless you're implementing "
      "'withUnsafePointer' or 'withUnsafeBytes'", ())

REMARK(opt_remark_passed, none, "%0", (StringRef))
REMARK(opt_remark_missed, none, "%0", (StringRef))
NOTE(opt_remark_note, none, "%0", (StringRef))

// Float-point to integer conversions
ERROR(float_to_int_overflow, none,
  "invalid%select{| implicit}2 conversion: '%0' overflows %1", (StringRef, Type, bool))

ERROR(negative_fp_literal_overflow_unsigned, none,
  "negative literal '%0' cannot be converted to %select{|unsigned }2%1",
  (StringRef, Type, bool))

// Overflow and underflow warnings for floating-point truncation
WARNING(warning_float_trunc_overflow, none,
  "'%0' overflows to %select{|-}2inf during conversion to %1",
  (StringRef, Type, bool))

WARNING(warning_float_trunc_underflow, none,
  "'%0' underflows and loses precision during conversion to %1",
  (StringRef, Type, bool))

WARNING(warning_float_trunc_hex_inexact, none,
  "'%0' loses precision during conversion to %1",
  (StringRef, Type, bool))

WARNING(warning_float_overflows_maxbuiltin, none,
  "'%0' overflows to %select{|-}1inf because its magnitude exceeds "
  "the limits of a float literal", (StringRef, bool))

// Integer to floating-point conversions
WARNING(warning_int_to_fp_inexact, none,
  "'%1' is not exactly representable as %0; it becomes '%2'",
  (Type, StringRef, StringRef))

// Flow-isolation diagnostics
ERROR(isolated_after_nonisolated, none,
      "cannot access %kind1 here in "
      "%select{nonisolated initializer|deinitializer}0",
      (bool, const ValueDecl *))
NOTE(nonisolated_blame, none, "after %1%2 %3, "
     "only nonisolated properties of 'self' can be accessed from "
     "%select{this init|a deinit}0", (bool, StringRef, StringRef, DeclName))
ERROR(isolated_property_mutation_in_nonisolated_context,none,
      "actor-isolated %kind0 can not be %select{referenced|mutated}1 "
      "from a nonisolated context",
      (const ValueDecl *, bool))

// Yield usage errors
ERROR(return_before_yield, none, "accessor must yield before returning",())

ERROR(multiple_yields, none, "accessor must not yield more than once", ())

NOTE(previous_yield, none, "previous yield was here", ())

ERROR(possible_return_before_yield, none,
      "accessor must yield on all paths before returning", ())

NOTE(branch_doesnt_yield, none,
     "missing yield when the condition is %select{false|true}0", (bool))

NOTE(named_case_doesnt_yield, none, "missing yield in the %0 case",
    (Identifier))

NOTE(case_doesnt_yield, none, "missing yield in "
     "%select{this|the nil|the non-nil}0 case", (unsigned))

NOTE(switch_value_case_doesnt_yield, none, "missing yield in the %0 case",
    (StringRef))

NOTE(try_branch_doesnt_yield, none, "missing yield when error is "
     "%select{not |}0thrown", (bool))

// OS log optimization diagnostics.

ERROR(oslog_constant_eval_trap, none, "%0", (StringRef))

ERROR(oslog_too_many_instructions, none, "interpolated expression and arguments "
      "are too complex", ())

ERROR(oslog_invalid_log_message, none, "invalid log message; extending "
      "types defined in the os module is not supported", ())

NOTE(oslog_const_evaluable_fun_error, none, "'%0' failed evaluation", (StringRef))

ERROR(oslog_non_constant_message, none, "'OSLogMessage' instance passed to the "
      "log call is not a constant", ())

ERROR(oslog_non_constant_interpolation, none, "'OSLogInterpolation' instance "
      "passed to 'OSLogMessage.init' is not a constant", ())

ERROR(oslog_property_not_constant, none, "'OSLogInterpolation.%0' is not a "
      "constant", (StringRef))

ERROR(oslog_message_alive_after_opts, none, "string interpolation cannot "
      "be used in this context; if you are calling an os_log function, "
      "try a different overload", ())

ERROR(oslog_message_explicitly_created, none, "'OSLogMessage' must be "
      " created from a string interpolation or string literal", ())

WARNING(oslog_call_in_unreachable_code, none, "os log call will never be "
        "executed and may have undiagnosed errors", ())

ERROR(global_string_pointer_on_non_constant, none, "globalStringTablePointer "
      "builtin must be used only on string literals", ())

ERROR(polymorphic_builtin_passed_non_trivial_non_builtin_type, none, "Argument "
      "of type %0 can not be passed as an argument to a Polymorphic "
      "builtin. Polymorphic builtins can only be passed arguments that are "
      "trivial builtin typed", (Type))

ERROR(polymorphic_builtin_passed_type_without_static_overload, none, "Static"
      " overload %0 does not exist for polymorphic builtin '%1'. Static "
      "overload implied by passing argument of type %2",
      (Identifier, StringRef, Type))

ERROR(builtin_get_function_isolation_bad_argument, none,
      "argument to 'extractFunctionIsolation' must have '@isolated(any)' "
      "function type",
      ())

ERROR(box_to_stack_cannot_promote_box_to_stack_due_to_escape_alloc, none,
      "Can not promote value from heap to stack due to value escaping", ())
NOTE(box_to_stack_cannot_promote_box_to_stack_due_to_escape_location, none,
     "value escapes here", ())

WARNING(semantic_function_improper_nesting, none, "'@_semantics' function calls non-'@_semantics' function with nested '@_semantics' calls", ())

// SDK mismatch diagnostics
ERROR(missing_deinit_on_executor_function, none,
      "Missing 'swift_task_deinitOnExecutor' function! "
      "This is likely due to an outdated/incompatible SDK.", ())

// Capture promotion diagnostics
WARNING(capturepromotion_concurrentcapture_mutation, none,
        "'%0' mutated after capture by sendable closure", (StringRef))
NOTE(capturepromotion_concurrentcapture_closure_here, none,
     "variable captured by sendable closure", ())
NOTE(capturepromotion_concurrentcapture_capturinguse_here, none,
     "capturing use", ())
NOTE(capturepromotion_variable_defined_here,none,
     "variable defined here", ())

// noimplicitcopy on generic or existential binding
ERROR(noimplicitcopy_used_on_generic_or_existential, none,
      "'@_noImplicitCopy' can not be used on a generic or existential typed "
      "binding or a nominal type containing such typed things", ())

// discard statement
ERROR(discard_nontrivial_storage,none,
      "can only 'discard' type %0 if it contains trivially-destroyed "
      "stored properties at this time",
      (Type))
NOTE(discard_nontrivial_storage_note,none,
      "type %0 cannot be trivially destroyed",
      (Type))
NOTE(discard_nontrivial_implicit_storage_note,none,
     "type %0 implicitly contains %1 which cannot be trivially destroyed",
     (Type, Type))


/// Move Checking / Noncopyable types diagnostics

ERROR(sil_movechecking_owned_value_consumed_more_than_once, none,
      "'%0' consumed more than once", (StringRef))
ERROR(sil_movechecking_owned_value_consumed_and_used_at_same_time, none,
      "'%0' consumed and used at the same time", (StringRef))
ERROR(sil_movechecking_value_used_after_consume, none,
      "'%0' used after consume", (StringRef))
ERROR(sil_movechecking_guaranteed_value_consumed, none,
      "'%0' is borrowed and cannot be consumed", (StringRef))
ERROR(sil_movechecking_borrowed_parameter_captured_by_closure, none,
      "'%0' cannot be captured by an escaping closure since it is a borrowed "
      "parameter",
      (StringRef))
ERROR(sil_movechecking_capture_consumed, none,
      "noncopyable '%0' cannot be consumed when captured by an escaping closure", (StringRef))
ERROR(sil_movechecking_not_reinitialized_before_end_of_function, none,
      "missing reinitialization of %select{inout parameter|closure capture}1 '%0' "
      "after consume", (StringRef, bool))
ERROR(sil_movechecking_not_reinitialized_before_end_of_coroutine, none,
      "field '%0' was consumed but not reinitialized; "
      "the field must be reinitialized during the access", (StringRef))
ERROR(sil_movechecking_not_reinitialized_before_end_of_access, none,
      "missing reinitialization of %select{inout parameter|closure capture}1 '%0' "
      "after consume while accessing memory", (StringRef, bool))
ERROR(sil_movechecking_value_consumed_in_a_loop, none,
      "'%0' consumed in a loop", (StringRef))
ERROR(sil_movechecking_use_after_partial_consume, none,
      "cannot use '%0' after partial consume", (StringRef))
ERROR(sil_movechecking_notconsumable_but_assignable_was_consumed, none,
      "cannot consume noncopyable stored property '%0' %select{of a class|that is global}1",
      (StringRef, bool))
ERROR(sil_movechecking_cannot_destructure_has_deinit, none,
      "cannot partially consume '%0' when it has a deinitializer",
      (StringRef))
ERROR(sil_movechecking_cannot_destructure_imported_nonfrozen, none,
      "cannot partially consume '%0' of non-frozen type %1 imported from %2",
      (StringRef, Type, const ModuleDecl*))
ERROR(sil_movechecking_cannot_destructure_exported_usableFromInline_alwaysEmitIntoClient, none,
      "cannot partially consume '%0' of non-frozen usableFromInline type %1 "
      "within a function annotated '@_alwaysEmitIntoClient'",
      (StringRef, Type))
ERROR(sil_movechecking_cannot_destructure, none,
      "cannot partially consume '%0'",
      (StringRef))
ERROR(sil_movechecking_cannot_partially_reinit_has_deinit, none,
      "cannot partially reinitialize '%0' when it has a deinitializer; only full reinitialization is allowed",
      (StringRef))
ERROR(sil_movechecking_cannot_partially_reinit_nonfrozen, none,
      "cannot partially reinitialize '%0' of non-frozen type %1 imported from %2; only full reinitialization is allowed",
      (StringRef, Type, const ModuleDecl*))
ERROR(sil_movechecking_cannot_partially_reinit_exported_usableFromInline_alwaysEmitIntoClient, none,
      "cannot partially reinitialize '%0' of non-frozen usableFromInline type "
      "%1 within a function annotated '@_alwaysEmitIntoClient'",
      (StringRef, Type))
ERROR(sil_movechecking_cannot_partially_reinit, none,
      "cannot partially reinitialize '%0' after it has been consumed; only full reinitialization is allowed",
      (StringRef))
ERROR(sil_movechecking_discard_missing_consume_self, none,
      "must consume 'self' before exiting method that discards self", ())
ERROR(sil_movechecking_reinit_after_discard, none,
      "cannot reinitialize 'self' after 'discard self'", ())
ERROR(sil_movechecking_consume_during_deinit, none,
      "'self' cannot be consumed during 'deinit'", ())

NOTE(sil_movechecking_discard_self_here, none,
     "discarded self here", ())
NOTE(sil_movechecking_partial_consume_here, none,
     "partially consumed here", ())
NOTE(sil_movechecking_consuming_use_here, none,
     "consumed here", ())
NOTE(sil_movechecking_consumed_again_here, none,
     "consumed again here", ())
NOTE(sil_movechecking_two_consuming_uses_here, none,
     "multiple consumes here", ())
NOTE(sil_movechecking_consuming_and_non_consuming_uses_here, none,
     "consumed and used here", ())
NOTE(sil_movechecking_consuming_closure_use_here, none,
     "closure capturing '%0' here", (StringRef))
NOTE(sil_movechecking_nonconsuming_use_here, none,
     "used here", ())
NOTE(sil_movechecking_consumed_in_loop_here, none,
     "consumed in loop here", ())
NOTE(sil_movechecking_deinit_here, none,
     "deinitializer declared here", ())

// errors involving noncopyables that are considered to be bugs in the compiler
ERROR(sil_movechecking_not_understand_consumable_and_assignable, none,
      "usage of no-implicit-copy value that the compiler can't verify. This is a compiler bug. Please file a bug with a small example of the bug", ())
ERROR(sil_movechecking_not_understand_moveonly, none,
      "usage of a noncopyable type that compiler can't verify. This is a compiler bug. Please file a bug with a small example of the bug", ())
ERROR(sil_movechecking_bug_missed_copy, none,
      "copy of noncopyable typed value. This is a compiler bug. Please file a bug with a small example of the bug", ())
ERROR(sil_movechecking_bug_exclusivity_violation, none,
      "'%0' has an unexpected exclusivity violation. This is a compiler bug. Please file a bug with a small example of the bug", (StringRef))
ERROR(sil_movekillscopyablevalue_move_applied_to_unsupported_move, none,
      "'consume' applied to value that the compiler does not support. This is a compiler bug. Please file a bug with a small example of the bug",
      ())
ERROR(sil_movekillscopyable_move_applied_to_nonlocal_memory, none,
      "'consume' cannot be applied to %select{globals|escaping captures}0",
      (unsigned))


// Implicit inout-to-UnsafeRawPointer conversions
WARNING(nontrivial_to_rawpointer_conversion,none,
        "forming %1 to a variable of type %0; this is likely incorrect because %2 may contain "
        "an object reference.", (Type, Type, Type))

WARNING(nontrivial_string_to_rawpointer_conversion,none,
        "forming %0 to an inout variable of type String exposes the internal representation "
        "rather than the string contents.", (Type))

// MARK: Reference Binding Warnings
ERROR(sil_referencebinding_unknown_pattern, none,
      "reference binding that the compiler does not understand how to check. Please file a bug",
      ())
ERROR(sil_referencebinding_src_used_within_inout_scope, none,
      "var bound to inout binding cannot be used within the inout binding's scope",
      ())
NOTE(sil_referencebinding_inout_binding_here, none,
      "inout binding here",
      ())

//===----------------------------------------------------------------------===//
//                  MARK: Region-Based Isolation Diagnostics
//===----------------------------------------------------------------------===//

// READ THIS: Please when adding diagnostics for region-based isolation, keep
// them ordered in sections depending on which emitter uses it. It makes it
// easier for people unfamiliar with the code to quickly see which diagnostics
// are used by which of the SendNonSendable emitters use.

//===
// Misc

ERROR(regionbasedisolation_unknown_pattern, none,
      "pattern that the region-based isolation checker does not understand how to check. Please file a bug",
      ())
NOTE(regionbasedisolation_maybe_race, none,
     "access can happen concurrently", ())
NOTE(regionbasedisolation_type_is_non_sendable, none,
      "%0 is a non-Sendable type",
      (Type))

//===
// Use After Send Emitter

GROUPED_ERROR(regionbasedisolation_named_send_yields_race,
      SendingRisksDataRace, none,
      "sending %0 risks causing data races",
      (Identifier))
GROUPED_ERROR(regionbasedisolation_type_send_yields_race, SendingRisksDataRace, none,
      "sending value of non-Sendable type %0 risks causing data races",
      (Type))
NOTE(regionbasedisolation_type_use_after_send, none,
      "sending value of non-Sendable type %0 to %1 callee risks causing data races between %1 and local %2 uses",
      (Type, ActorIsolation, ActorIsolation))
NOTE(regionbasedisolation_type_use_after_send_callee, none,
     "sending value of non-Sendable type %0 to %1 %kind2 risks causing data "
     "races between %1 and local %3 uses",
     (Type, ActorIsolation, const ValueDecl *, ActorIsolation))

NOTE(regionbasedisolation_named_info_send_yields_race, none,
     "sending %1%0 to %2 callee risks causing data races between %2 and local %3 uses",
     (Identifier, StringRef, ActorIsolation, ActorIsolation))
NOTE(regionbasedisolation_named_info_send_yields_race_callee, none,
     "sending %1%0 to %2 %kind3 risks causing data races between %2 and local %4 uses",
     (Identifier, StringRef, ActorIsolation, const ValueDecl *, ActorIsolation))

// Use after send closure.
NOTE(regionbasedisolation_type_isolated_capture_yields_race, none,
      "sending value of non-Sendable type %0 to %1 closure due to closure capture risks causing races in between %1 and %2 uses",
      (Type, ActorIsolation, ActorIsolation))

// Value captured in async let and reused.
NOTE(regionbasedisolation_named_nonisolated_asynclet_name, none,
      "sending %0 into async let risks causing data races between async let uses and local uses",
      (Identifier))

NOTE(regionbasedisolation_named_value_used_after_explicit_sending, none,
      "%0 used after being passed as a 'sending' parameter; Later uses could race",
      (Identifier))
NOTE(regionbasedisolation_named_isolated_closure_yields_race, none,
      "%0%1 is captured by a %2 closure. %2 uses in closure may race against later %3 uses",
      (StringRef, Identifier, ActorIsolation, ActorIsolation))

NOTE(regionbasedisolation_typed_use_after_sending, none,
      "Passing value of non-Sendable type %0 as a 'sending' argument risks causing races in between local and caller code",
      (Type))
NOTE(regionbasedisolation_typed_use_after_sending_callee, none,
      "Passing value of non-Sendable type %0 as a 'sending' argument to %kind1 risks causing races in between local and caller code",
      (Type, const ValueDecl *))

//===
// Sending Never Sendable Emitter

NOTE(regionbasedisolation_named_send_never_sendable, none,
      "sending %1%0 to %2 callee risks causing data races between %2 and %3 uses",
      (Identifier, StringRef, ActorIsolation, StringRef))
NOTE(regionbasedisolation_named_send_never_sendable_callee, none,
      "sending %1%0 to %2 %kind3 risks causing data races between %2 and %4 uses",
      (Identifier, StringRef, ActorIsolation, const ValueDecl *, StringRef))

NOTE(regionbasedisolation_named_send_into_sending_param, none,
     "%0%1 is passed as a 'sending' parameter; Uses in callee may race with "
     "later %0uses",
     (StringRef, Identifier))
NOTE(regionbasedisolation_named_nosend_send_into_result, none,
     "%0%1 cannot be a 'sending' result. %2 uses may race with caller uses",
     (StringRef, Identifier, StringRef))
NOTE(regionbasedisolation_typed_tns_passed_to_sending, none,
     "Passing %0 value of non-Sendable type %1 as a 'sending' parameter risks "
     "causing races inbetween %0 uses and uses reachable from the callee",
     (StringRef, Type))

ERROR(regionbasedisolation_typed_tns_passed_sending_closure, none,
     "passing closure as a 'sending' parameter risks causing data races between %0 and concurrent execution of the closure",
     (StringRef))
NOTE(regionbasedisolation_typed_tns_passed_to_sending_closure_helper_have_value, none,
     "closure captures %0 %1",
     (StringRef, DeclName))
NOTE(regionbasedisolation_typed_tns_passed_to_sending_closure_helper_have_value_task_isolated, none,
     "closure captures %0 which is accessible to code in the current task",
     (DeclName))
NOTE(regionbasedisolation_typed_tns_passed_to_sending_closure_helper_have_boxed_value_task_isolated, none,
     "closure captures reference to mutable %kind0 which is accessible to code in the current task",
     (const ValueDecl *))
NOTE(regionbasedisolation_typed_tns_passed_to_sending_closure_helper_have_value_region, none,
     "closure captures %1 which is accessible to %0 code",
     (StringRef, DeclName))

NOTE(regionbasedisolation_typed_tns_passed_to_sending_closure_helper_multiple_value, none,
     "closure captures non-Sendable %0",
     (DeclName))
NOTE(regionbasedisolation_closure_captures, none,
     "closure captures %0",
     (DeclName))
NOTE(regionbasedisolation_closure_captures_actor, none,
     "closure captures %0 allowing access to %1 state within the closure",
     (DeclName, StringRef))

NOTE(regionbasedisolation_typed_tns_passed_to_sending_callee, none,
     "Passing %0 value of non-Sendable type %1 as a 'sending' parameter to %kind2 risks causing races inbetween %0 uses and uses reachable from %2",
     (StringRef, Type, const ValueDecl *))

NOTE(regionbasedisolation_named_send_nt_asynclet_capture, none,
      "sending %1 %0 into async let risks causing data races between nonisolated and %1 uses",
      (Identifier, StringRef))
NOTE(regionbasedisolation_typed_sendneversendable_via_arg, none,
      "sending %0 value of non-Sendable type %1 to %2 callee risks causing races in between %0 and %2 uses",
      (StringRef, Type, ActorIsolation))
NOTE(regionbasedisolation_typed_sendneversendable_via_arg_callee, none,
      "sending %0 value of non-Sendable type %1 to %2 %kind3 risks causing races in between %0 and %2 uses",
      (StringRef, Type, ActorIsolation, const ValueDecl *))

// Error that is only used when the send non sendable emitter cannot discover any
// information to give a better diagnostic.
ERROR(regionbasedisolation_task_or_actor_isolated_sent, none,
      "task or actor-isolated value cannot be sent", ())

//===
// InOut Sending Emitter

NOTE(regionbasedisolation_inout_sending_must_be_reinitialized, none,
     "'inout sending' parameter must be reinitialized before function exit with a non-actor-isolated value",
     ())
ERROR(regionbasedisolation_inout_sending_cannot_be_actor_isolated, none,
      "'inout sending' parameter %0 cannot be %1at end of function",
      (Identifier, StringRef))
NOTE(regionbasedisolation_inout_sending_cannot_be_actor_isolated_note, none,
      "%1%0 risks causing races in between %1uses and caller uses since caller assumes value is not actor isolated",
      (Identifier, StringRef))

//===
// Out Sending

ERROR(regionbasedisolation_out_sending_cannot_be_actor_isolated_type, none,
      "returning a %1 %0 value as a 'sending' result risks causing data races",
      (Type, StringRef))
NOTE(regionbasedisolation_out_sending_cannot_be_actor_isolated_note_type, none,
      "returning a %1 %0 value risks causing races since the caller assumes the value can be safely sent to other isolation domains",
      (Type, StringRef))
ERROR(regionbasedisolation_out_sending_cannot_be_actor_isolated_named, none,
      "returning %1 %0 as a 'sending' result risks causing data races",
      (Identifier, StringRef))
NOTE(regionbasedisolation_out_sending_cannot_be_actor_isolated_note_named, none,
      "returning %1 %0 risks causing data races since the caller assumes that %0 can be safely sent to other isolation domains",
      (Identifier, StringRef))

//===
// non-Sendable Results

// Example: returning main-actor isolated result to a custom-actor isolated context risks causing data races
ERROR(rbi_isolation_crossing_result, none,
      "non-Sendable %0-typed result can not be returned from %1 %kind2 to %3 context",
      (Type, ActorIsolation, const ValueDecl *, ActorIsolation))
ERROR(rbi_isolation_crossing_result_no_decl, none,
      "non-Sendable %0-typed result can not be returned from %1 function to %2 context",
      (Type, ActorIsolation, ActorIsolation))
NOTE(rbi_non_sendable_nominal,none,
     "%kind0 does not conform to the 'Sendable' protocol",
      (const ValueDecl *))
NOTE(rbi_nonsendable_function_type,none,
     "a function type must be marked '@Sendable' to conform to 'Sendable'", ())
NOTE(rbi_add_nominal_sendable_conformance,none,
     "consider making %kind0 conform to the 'Sendable' protocol",
     (const ValueDecl *))
NOTE(rbi_add_generic_parameter_sendable_conformance,none,
     "consider making generic parameter %0 conform to the 'Sendable' protocol",
     (Type))

// Concurrency related diagnostics
ERROR(cannot_find_executor_factory_type, none,
      "the DefaultExecutorFactory type could not be found", ())
ERROR(executor_factory_must_conform, none,
      "the DefaultExecutorFactory does not conform to 'ExecutorFactory'", ())

//===----------------------------------------------------------------------===//
//                           MARK: Misc Diagnostics
//===----------------------------------------------------------------------===//

// TODO: print the name of the nominal type
ERROR(deinit_not_visible, none,
      "deinit of non-copyable type not visible in the current module", ())

ERROR(lifetime_variable_outside_scope, none,
      "lifetime-dependent variable '%0' escapes its scope", (Identifier))
ERROR(lifetime_value_outside_scope, none,
      "lifetime-dependent value escapes its scope", ())
ERROR(lifetime_value_outside_accessor, none,
      "lifetime-dependent value returned by generated accessor '%0'", (StringRef))
ERROR(lifetime_value_outside_thunk, none,
      "lifetime-dependent value returned by generated %select{function|thunk}0 '%1'", (bool, StringRef))
NOTE(lifetime_outside_scope_argument, none,
     "it depends on the lifetime of argument '%0'", (Identifier))
NOTE(lifetime_outside_scope_synthesized_argument, none,
     "it depends on the lifetime of an argument of '%0'", (Identifier))
NOTE(lifetime_outside_scope_access, none,
     "it depends on this scoped access to variable '%0'", (Identifier))
NOTE(lifetime_outside_scope_variable, none,
     "it depends on the lifetime of variable '%0'", (Identifier))
NOTE(lifetime_outside_scope_value, none,
     "it depends on the lifetime of this parent value", ())
NOTE(lifetime_outside_scope_capture, none,
     "it depends on a closure capture; this is not yet supported", ())
NOTE(lifetime_outside_scope_use, none,
     "this use of the lifetime-dependent value is out of scope", ())
NOTE(lifetime_outside_scope_escape, none,
     "this use causes the lifetime-dependent value to escape", ())

ERROR(noncopyable_shared_case_block_unimplemented, none,
      "matching a non-'Copyable' value using a case label that has multiple patterns is not implemented", ())

#define UNDEFINE_DIAGNOSTIC_MACROS
#include "DefineDiagnosticMacros.h"
