模块 Pparse

module Pparse: sig .. end

解析器和外部预处理器的驱动程序。

警告： 此模块不稳定，属于 compiler-libs。

type error =

`\|`	`CannotRun of string`
`\|`	`WrongMagic of string`

exception Error of error

val preprocess : string -> string

val remove_preprocessed : string -> unit

type 'a ast_kind =

`\|`	`Structure : Parsetree.structure ast_kind`
`\|`	`Signature : Parsetree.signature ast_kind`

val read_ast : 'a ast_kind -> string -> 'a

val write_ast : 'a ast_kind -> string -> 'a -> unit

val file : tool_name:string ->
       string -> (Lexing.lexbuf -> 'a) -> 'a ast_kind -> 'a

val apply_rewriters : ?restore:bool -> tool_name:string -> 'a ast_kind -> 'a -> 'a

如果 restore = true（默认值），则由外部重写器设置的 Cookie 将保留以供以后调用。

val apply_rewriters_str : ?restore:bool ->
       tool_name:string -> Parsetree.structure -> Parsetree.structure

val apply_rewriters_sig : ?restore:bool ->
       tool_name:string -> Parsetree.signature -> Parsetree.signature

val report_error : Format.formatter -> error -> unit

val parse_implementation : tool_name:string -> string -> Parsetree.structure

val parse_interface : tool_name:string -> string -> Parsetree.signature

val call_external_preprocessor : string -> string -> string

val open_and_check_magic : string -> string -> in_channel * bool