package vlt

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Definitions
Variable constructors
Variable combinators
Properties constructors
Layout elements

vlt
- Vlt
  - ConfigLexer
  - ConfigParser
  - Configuration
  - ConfigurationNew
  - ConfigurationOld
  - Daikon
  - Event
  - Filter
  - Layout
  - Level
  - Log4j
  - Logger
  - Mode
    
    t
  - Name
  - Output
    
    impl
  - Paje
    
    Definitions
    
    Make
    
    D
    
    S
  - Signal
  - Tree
  - Utils
  - Version
vlt.mt
- Vlt_mt
  - VltThread

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This module provides support for the Daikon tool.

Daikon (available at http://groups.csail.mit.edu/pag/daikon/) is an invariant detector that works by analyzing the traces produced by an instrumented program.

Bolt can produce Daikon-comptabile traces by using statements like:

LOG Daikon.t WITH Daikon.point "pt" [Daikon.int "i" i];

more information can be found in the Bolt manual.

Definitions

val t : string

The identifier message for Daikon traces.

type variable

The type of variables to be recorded in a trace.

type properties = (string * string) list

The type of information to be recorded in a trace.

type 'a variable_builder = string -> 'a -> variable

The type of function building variables, taking two parameters:

the name of the variable;
the value of the variable.

Variable constructors

val bool : bool variable_builder

Defines a variable from name and value.

val bool_option : bool option variable_builder

Defines a variable from name and value (translated to a Daikon array).

val bool_list : bool list variable_builder

Defines a variable from name and value (translated to a Daikon array).

val bool_array : bool array variable_builder

Defines a variable from name and value.

val int : int variable_builder

Defines a variable from name and value.

val int_option : int option variable_builder

Defines a variable from name and value (translated to a Daikon array).

val int_list : int list variable_builder

Defines a variable from name and value (translated to a Daikon array).

val int_array : int array variable_builder

Defines a variable from name and value.

val float : float variable_builder

Defines a variable from name and value.

val float_option : float option variable_builder

Defines a variable from name and value (translated to a Daikon array).

val float_list : float list variable_builder

Defines a variable from name and value (translated to a Daikon array).

val float_array : float array variable_builder

Defines a variable from name and value.

val string : string variable_builder

Defines a variable from name and value.

val string_option : string option variable_builder

Defines a variable from name and value (translated to a Daikon array).

val string_list : string list variable_builder

Defines a variable from name and value (translated to a Daikon array).

val string_array : string array variable_builder

Defines a variable from name and value.

Variable combinators

val make_variable_builder : ('a -> variable list) -> 'a variable_builder

Constructs a variable builder function, by projecting a given value to a list of variables.

val tuple2 : 
  'a variable_builder ->
  'b variable_builder ->
  ('a * 'b) variable_builder

tuple2 t1 t2 returns a variable builder for couple of type t1 * t2.

val tuple3 : 
  'a variable_builder ->
  'b variable_builder ->
  'c variable_builder ->
  ('a * 'b * 'c) variable_builder

tuple3 t1 t2 t3 returns a variable builder for triple of type t1 * t2 * t3.

val tuple4 : 
  'a variable_builder ->
  'b variable_builder ->
  'c variable_builder ->
  'd variable_builder ->
  ('a * 'b * 'c * 'd) variable_builder

tuple4 t1 t2 t3 t4 returns a variable builder for quadruple of type t1 * t2 * t3 * t4.

val tuple5 : 
  'a variable_builder ->
  'b variable_builder ->
  'c variable_builder ->
  'd variable_builder ->
  'e variable_builder ->
  ('a * 'b * 'c * 'd * 'e) variable_builder

tuple5 t1 t2 t3 t4 t5 returns a variable builder for quintuple of type t1 * t2 * t3 * t4 * t5.

Properties constructors

val point : string -> variable list -> properties

point id vars defines the properties for a given point in code, id being the identifier for the point and vars the variable list.

val enter : string -> variable list -> properties

enter id pars Defines the properties for a entry point in code (typically function begin), id being the identifier for the function and pars the parameter list.

val exit : string -> variable -> variable list -> properties

exit id ret pars Defines the properties for a exit point in code (typically function end), id being the identifier for the function, ret the returned value and pars the parameter list.

Layout elements

val decls_header : string list

The header defining Daikon events (declaration part).

val decls_render : Event.t -> string

The rendering function for Daikon format (declaration part).

val dtrace_header : string list

The header defining Daikon events (trace part).

val dtrace_render : Event.t -> string

The rendering function for Daikon format (trace part).

val layout_decls : Layout.t

The layout supporting the "Daikon" format (declaration part).

val layout_dtrace : Layout.t

The layout supporting the "Daikon" format (trace part).