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MCLOOKUP.DEF
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(****************************************
* *
* MODULA-2 Multi-Pass Compiler *
* **************************** *
* *
* Implementation for Lilith *
* adapted for SMAKY 8 *
* *
* *
* MCLookup: *
* *
* Lookup on files according to *
* different searching strategies *
* *
* Version C19 of 23.07.82 *
* *
* Institut fuer Informatik *
* ETH-Zuerich *
* CH-8092 Zuerich *
* *
****************************************)
DEFINITION MODULE MCLookup; (* LG , PF 13.07.83 *)
FROM M2Files IMPORT File;
EXPORT QUALIFIED LookupFile,CreateFile, SetLibraries;
PROCEDURE LookupFile(VAR prompt: ARRAY OF CHAR;
VAR name: ARRAY OF CHAR;
VAR defext: ARRAY OF CHAR;
VAR file: File;
query, acceptdefault, acceptoptions: BOOLEAN;
VAR acceptedfilename: ARRAY OF CHAR;
VAR goodfile: BOOLEAN; VAR nofile1: BOOLEAN);
(* for implementation the modules: *)
(* Options and CompFile are imported *)
(* prompt : string is displayed on terminal *)
(* name : for construction of a default file name *)
(* name of the module to be opened, i.e. for which
a file name.ext, or LIB.name.ext must be found *)
(* defext : default extension of searched file *)
(* file : opened file (read-only mode) *)
(* query : explicit asking for file name *)
(* acceptdefault : accept a default file name *)
(* acceptoptions : accept options appended to file name *)
(* options are not evaluated *)
(* acceptedfilename: final file name *)
(* goodfile : lookup was successful *)
(* nofile1 : operator said: omit this file *)
PROCEDURE CreateFile (VAR prompt: ARRAY OF CHAR;
VAR name : ARRAY OF CHAR;
VAR newext: ARRAY OF CHAR;
VAR file : File;
query, acceptdefault, acceptoptions:BOOLEAN;
VAR acceptedfilename: ARRAY OF CHAR;
VAR goodfile: BOOLEAN; VAR nofile1: BOOLEAN);
(* nearly the same as LookupFile. to open an output file with query*)
(* doesnt try different libraries to create the file *)
(* the extension is always changed to newext if default is TRUE *)
PROCEDURE SetLibraries (VAR defaultlibstring: ARRAY OF CHAR;
query, changedefault: BOOLEAN);
(* set the libraries to be used in the searching strategy, and/or ask
the user:
defaultlibstring: 1 or more library names, separated by comma.
or a full filename, from which the library name
will be extracted (e.g. source file name).
query : if the user should be asked for a libstring.
changedefault : TRUE install 'defaultlibstring'.
FALSE = ignore it, use the previous libstring *)
END MCLookup.