Module `InferModules__Errdesc`

Create descriptions of analysis errors

val vpath_find : InferIR.Tenv.t -> 'a InferModules.Prop.t -> InferIR.Exp.t -> InferIR.DecompiledExp.vpath * InferIR.Typ.t option: find the dexp, if any, where the given value is stored also return the type of the value if found

val hpred_is_open_resource : InferIR.Tenv.t -> 'a InferModules.Prop.t -> InferIR.Sil.hpred -> InferIR.PredSymb.resource option: Check whether the hpred is a |-> representing a resource in the Racquire state

val find_normal_variable_funcall : InferIR.Procdesc.Node.t -> InferIR.Ident.t -> (InferIR.Exp.t * InferIR.Exp.t list * InferBase.Location.t * InferIR.CallFlags.t) option: Find the function call instruction used to initialize normal variable id, and return the function name and arguments

val find_program_variable_assignment : InferIR.Procdesc.Node.t -> InferIR.Pvar.t -> (InferIR.Procdesc.Node.t * InferIR.Ident.t) option: Find a program variable assignment in the current node or straightline predecessor.

val find_ident_assignment : InferIR.Procdesc.Node.t -> InferIR.Ident.t -> (InferIR.Procdesc.Node.t * InferIR.Exp.t) option: Find a program variable assignment to id in the current node or predecessors.

val find_boolean_assignment : InferIR.Procdesc.Node.t -> InferIR.Pvar.t -> bool -> InferIR.Procdesc.Node.t option: Find a boolean assignment to a temporary variable holding a boolean condition. The boolean parameter indicates whether the true or false branch is required.

val exp_rv_dexp : InferIR.Tenv.t -> InferIR.Procdesc.Node.t -> InferIR.Exp.t -> InferIR.DecompiledExp.t option: describe rvalue e as a dexp

val explain_allocation_mismatch : InferIR.PredSymb.res_action -> InferIR.PredSymb.res_action -> InferIR.Localise.error_desc: Produce a description of a mismatch between an allocation function and a deallocation function

val explain_array_access : InferIR.Typ.Procname.t -> InferIR.Tenv.t -> InferIR.Localise.deref_str -> 'a InferModules.Prop.t -> InferBase.Location.t -> InferIR.Localise.error_desc: Produce a description of the array access performed in the current instruction, if any.

val explain_class_cast_exception : InferIR.Tenv.t -> InferIR.Typ.Procname.t option -> InferIR.Exp.t -> InferIR.Exp.t -> InferIR.Exp.t -> InferIR.Procdesc.Node.t -> InferBase.Location.t -> InferIR.Localise.error_desc: explain a class cast exception

val explain_deallocate_stack_var : InferIR.Pvar.t -> InferIR.PredSymb.res_action -> InferIR.Localise.error_desc: Explain a deallocate stack variable error

val explain_deallocate_constant_string : string -> InferIR.PredSymb.res_action -> InferIR.Localise.error_desc: Explain a deallocate constant string error

val explain_dereference : InferIR.Typ.Procname.t -> InferIR.Tenv.t -> ?⁠use_buckets:bool -> ?⁠is_nullable:bool -> ?⁠is_premature_nil:bool -> InferIR.Localise.deref_str -> 'a InferModules.Prop.t -> InferBase.Location.t -> InferIR.Localise.error_desc: Produce a description of which expression is dereferenced in the current instruction, if any.

val explain_dereference_as_caller_expression : InferIR.Typ.Procname.t -> InferIR.Tenv.t -> ?⁠use_buckets:bool -> InferIR.Localise.deref_str -> 'a InferModules.Prop.t -> 'b InferModules.Prop.t -> InferIR.Exp.t -> InferIR.Procdesc.Node.t -> InferBase.Location.t -> InferIR.Pvar.t list -> InferIR.Localise.error_desc: return a description explaining value exp in prop in terms of a source expression using the formal parameters of the call

val explain_divide_by_zero : InferIR.Tenv.t -> InferIR.Exp.t -> InferIR.Procdesc.Node.t -> InferBase.Location.t -> InferIR.Localise.error_desc: explain a division by zero

val explain_condition_always_true_false : InferIR.Tenv.t -> InferIR.IntLit.t -> InferIR.Exp.t -> InferIR.Procdesc.Node.t -> InferBase.Location.t -> InferIR.Localise.error_desc: explain a condition which is always true or false

val explain_stack_variable_address_escape : InferBase.Location.t -> InferIR.Pvar.t -> InferIR.DecompiledExp.t option -> InferIR.Localise.error_desc: explain the escape of a stack variable address from its scope

val explain_frontend_warning : string -> string option -> InferBase.Location.t -> InferIR.Localise.error_desc: explain frontend warning

val explain_unary_minus_applied_to_unsigned_expression : InferIR.Tenv.t -> InferIR.Exp.t -> InferIR.Typ.t -> InferIR.Procdesc.Node.t -> InferBase.Location.t -> InferIR.Localise.error_desc: explain unary minus applied to unsigned expression

val explain_leak : InferIR.Tenv.t -> InferIR.Sil.hpred -> 'a InferModules.Prop.t -> InferIR.PredSymb.t option -> string option -> InferIR.Exceptions.visibility * InferIR.Localise.error_desc: Produce a description of a leak by looking at the current state. If the current instruction is a variable nullify, blame the variable. If it is an abstraction, blame any variable nullify at the current node. If there is an alloc attribute, print the function call and line number.

val explain_null_test_after_dereference : InferIR.Tenv.t -> InferIR.Exp.t -> InferIR.Procdesc.Node.t -> int -> InferBase.Location.t -> InferIR.Localise.error_desc: explain a test for NULL of a dereferenced pointer

val warning_err : InferBase.Location.t -> ('a, Stdlib.Format.formatter, unit) InferStdlib.IStd.format -> 'a: warn at the given location

val find_outermost_dereference : InferIR.Tenv.t -> InferIR.Procdesc.Node.t -> InferIR.Exp.t -> InferIR.DecompiledExp.t option
val access_opt : ?⁠is_nullable:bool -> InferIR.Sil.inst -> InferIR.Localise.access option