63 lines
1.7 KiB
OCaml
63 lines
1.7 KiB
OCaml
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(* Build libraries of .cmo files *)
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open Misc
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open Config
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open Emitcode
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type error =
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File_not_found of string
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| Not_an_object_file of string
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exception Error of error
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let copy_object_file outchan name =
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let file_name =
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try
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find_in_path !load_path name
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with Not_found ->
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raise(Error(File_not_found name)) in
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let ic = open_in_bin file_name in
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try
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let buffer = String.create (String.length cmo_magic_number) in
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really_input ic buffer 0 (String.length cmo_magic_number);
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if buffer <> cmo_magic_number then
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raise(Error(Not_an_object_file file_name));
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let compunit_pos = input_binary_int ic in
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seek_in ic compunit_pos;
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let compunit = (input_value ic : compilation_unit) in
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seek_in ic compunit.cu_pos;
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compunit.cu_pos <- pos_out outchan;
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copy_file_chunk ic outchan compunit.cu_codesize;
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close_in ic;
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compunit
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with x ->
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close_in ic;
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raise x
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let create_archive file_list lib_name =
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let outchan = open_out_bin lib_name in
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try
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output_string outchan cma_magic_number;
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let ofs_pos_toc = pos_out outchan in
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output_binary_int outchan 0;
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let toc = List.map (copy_object_file outchan) file_list in
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let pos_toc = pos_out outchan in
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output_value outchan toc;
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seek_out outchan ofs_pos_toc;
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output_binary_int outchan pos_toc;
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close_out outchan
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with x ->
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close_out outchan;
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remove_file lib_name;
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raise x
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open Format
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let report_error = function
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File_not_found name ->
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print_string "Cannot find file "; print_string name
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| Not_an_object_file name ->
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print_string "The file "; print_string name;
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print_string " is not a bytecode object file"
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