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/*

    		 Crown Copyright (c) 1997

    This TenDRA(r) Computer Program is subject to Copyright

    owned by the United Kingdom Secretary of State for Defence

    acting through the Defence Evaluation and Research Agency

    (DERA).  It is made available to Recipients with a

    royalty-free licence for its use, reproduction, transfer

    to other parties and amendment for any purpose not excluding

    product development provided that any such use et cetera

    shall be deemed to be acceptance of the following conditions:-

        (1) Its Recipients shall ensure that this Notice is

        reproduced upon any copies or amended versions of it;

        (2) Any amended version of it shall be clearly marked to

        show both the nature of and the organisation responsible

        for the relevant amendment or amendments;

        (3) Its onward transfer from a recipient to another

        party shall be deemed to be that party's acceptance of

        these conditions;

        (4) DERA gives no warranty or assurance as to its

        quality or suitability for any purpose and DERA accepts

        no liability whatsoever in relation to any use to which

        it may be put.

*/

/**** builder.c --- Front end to library construction mode of TDF linker.

 *

 ** Author: Steve Folkes <smf@hermes.mod.uk>

 *

 **** Commentary:

 *

 * This file provides the front end to the library construction mode of the

 * TDF linker.

 *

 **** Change Log:

 * $Log: builder.c,v $

 * Revision 1.1.1.1  1998/01/17  15:57:16  release

 * First version to be checked into rolling release.

 *

 * Revision 1.3  1995/09/22  08:37:01  smf

 * Fixed problems with incomplete structures (to shut "tcc" up).

 *

 * Revision 1.2  1994/12/12  11:43:56  smf

 * Performing changes for 'CR94_178.sid+tld-update' - bringing in line with

 * OSSG C Coding Standards.

 *

 * Revision 1.1.1.1  1994/07/25  16:03:23  smf

 * Initial import of TDF linker 3.5 non shared files.

 *

**/

/****************************************************************************/

#include "builder.h"

#include "capsule.h"

#include "debug.h"

#include "error.h"

#include "gen-errors.h"

#include "library.h"

#include "shape-table.h"

#include "unit-table.h"

#include "solve-cycles.h"

/*--------------------------------------------------------------------------*/

static LibraryP *

builder_read_libraries PROTO_N ((arg_data, num_libs_ref, num_capsules_ref))

		       PROTO_T (ArgDataP  arg_data X

				unsigned *num_libs_ref X

				unsigned *num_capsules_ref)

{

    unsigned  num_lib_files   = arg_data_num_library_files (arg_data);

    CStringP *lib_files       = arg_data_library_files (arg_data);

    LibraryP *libraries       = ALLOCATE_VECTOR (LibraryP, num_lib_files);

    unsigned  num_capsules    = 0;

    unsigned  i;

    for (i = 0; i < num_lib_files; i ++) {

	LibraryP library = library_create_stream_input (lib_files [i]);

	if (library != NIL (LibraryP)) {

	    ShapeTableP lib_shapes = shape_table_create ();

	    library_read (library, lib_shapes);

	    library_close (library);

	    libraries [i] = library;

	    num_capsules += library_num_capsules (library);

	    shape_table_deallocate (lib_shapes);

	} else {

	    libraries [i] = NIL (LibraryP);

	    E_cannot_open_input_file (lib_files [i]);

	}

    }

    *num_libs_ref = num_lib_files;

    *num_capsules_ref = num_capsules;

    return (libraries);

}

static void

builder_read_capsule PROTO_N ((capsule, capsules, capsule_index, units,

			       shapes))

		     PROTO_T (CapsuleP    capsule X

			      CapsuleP   *capsules X

			      unsigned    capsule_index X

			      UnitTableP  units X

			      ShapeTableP shapes)

{

    CStringP name = capsule_name (capsule);

    unsigned i;

    for (i = 0; i < capsule_index; i ++) {

	if (cstring_equal (name, capsule_name (capsules [i]))) {

	    E_duplicate_capsule_name (name);

	}

    }

    capsule_set_index (capsule, capsule_index);

    capsule_read (capsule, units, shapes);

    capsule_store_contents (capsule);

    capsule_close (capsule);

    capsules [capsule_index] = capsule;

}

static CapsuleP *

builder_read_capsules PROTO_N ((arg_data, units, shapes, num_capsules_ref))

		      PROTO_T (ArgDataP    arg_data X

			       UnitTableP  units X

			       ShapeTableP shapes X

			       unsigned   *num_capsules_ref)

{

    unsigned  num_input_files = arg_data_get_num_files (arg_data);

    CStringP *input_files     = arg_data_get_files (arg_data);

    unsigned  capsule_index   = 0;

    unsigned  num_libraries;

    LibraryP *libraries;

    unsigned  num_capsules;

    CapsuleP *capsules;

    unsigned  i;

    libraries     = builder_read_libraries (arg_data, &num_libraries,

					    &num_capsules);

    num_capsules += num_input_files;

    capsules      = ALLOCATE_VECTOR (CapsuleP, num_capsules);

    for (i = 0; i < num_libraries; i ++) {

	LibraryP library = libraries [i];

	if (library != NIL (LibraryP)) {

	    unsigned num_lib_capsules = library_num_capsules (library);

	    unsigned j;

	    for (j = 0; j < num_lib_capsules; j ++) {

		LibCapsuleP lib_capsule = library_get_capsule (library, j);

		CStringP    name        = lib_capsule_name (lib_capsule);

		NStringP    contents    = lib_capsule_contents (lib_capsule);

		CapsuleP    capsule;

		capsule = capsule_create_string_input (name, contents);

		builder_read_capsule (capsule, capsules, capsule_index,

				      units, shapes);

		capsule_index ++;

	    }

	}

    }

    DEALLOCATE (libraries);

    for (i = 0; i < num_input_files; i ++) {

	CapsuleP capsule;

	if ((capsule = capsule_create_stream_input (input_files [i])) !=

	    NIL (CapsuleP)) {

	    builder_read_capsule (capsule, capsules, capsule_index, units,

				  shapes);

	    capsule_index ++;

	} else {

	    E_cannot_open_input_file (input_files [i]);

	}

    }

    if (error_max_reported_severity () >= ERROR_SEVERITY_ERROR) {

	exit (EXIT_FAILURE);

	UNREACHED;

    }

    *num_capsules_ref = num_capsules;

    return (capsules);

}

static void

builder_check_multi_defs PROTO_N ((shapes))

			 PROTO_T (ShapeTableP shapes)

{

    shape_table_iter (shapes, shape_entry_check_multi_defs, NIL (GenericP));

    if (error_max_reported_severity () >= ERROR_SEVERITY_ERROR) {

	exit (EXIT_FAILURE);

	UNREACHED;

    }

}

static void

builder_suppress_1 PROTO_N ((shape, all, names, gclosure))

		   PROTO_T (NStringP     shape X

			    BoolT        all X

			    NameKeyListP names X

			    GenericP     gclosure)

{

    ShapeTableP lib_shapes = (ShapeTableP) gclosure;

    ShapeEntryP entry      = shape_table_get (lib_shapes, shape);

    if (entry) {

	NameTableP        table = shape_entry_name_table (entry);

	NameKeyListEntryP name  = name_key_list_head (names);

	if (all) {

	    name_table_iter (table, name_entry_builder_suppress,

			     (GenericP) shape);

	}

	for (; name; name = name_key_list_entry_next (name)) {

	    NameKeyP   key        = name_key_list_entry_key (name);

	    NameEntryP name_entry = name_table_get (table, key);

	    if (name_entry) {

		debug_info_l_suppress (shape, key);

		name_entry_set_definition (name_entry, NIL (CapsuleP));

	    }

	}

    }

}

static void

builder_suppress PROTO_N ((arg_data, lib_shapes))

		 PROTO_T (ArgDataP    arg_data X

			  ShapeTableP lib_shapes)

{

    if (arg_data_get_suppress_mult (arg_data)) {

	shape_table_iter (lib_shapes, shape_entry_suppress_mult,

			  NIL (GenericP));

    }

    shape_control_iter (arg_data_get_suppresses (arg_data), builder_suppress_1,

			(GenericP) lib_shapes);

    if (error_max_reported_severity () >= ERROR_SEVERITY_ERROR) {

	exit (EXIT_FAILURE);

	UNREACHED;

    }

}

static void

builder_write_library PROTO_N ((arg_data, shapes, num_capsules, capsules))

		      PROTO_T (ArgDataP    arg_data X

			       ShapeTableP shapes X

			       unsigned    num_capsules X

			       CapsuleP   *capsules)

{

    CStringP output_file = arg_data_get_output_file (arg_data);

    LibraryP library;

    if ((library = library_create_stream_output (output_file)) !=

	NIL (LibraryP)) {

	library_write (library, shapes, num_capsules, capsules);

	library_close (library);

    } else {

	E_cannot_open_output_file (output_file);

	UNREACHED;

    }

    if (error_max_reported_severity () >= ERROR_SEVERITY_ERROR) {

	exit (EXIT_FAILURE);

	UNREACHED;

    }

}

/*--------------------------------------------------------------------------*/

void

builder_main PROTO_N ((arg_data))

	     PROTO_T (ArgDataP arg_data)

{

    UnitTableP  units  = unit_table_create ();

    ShapeTableP shapes = shape_table_create ();

    unsigned    num_capsules;

    CapsuleP   *capsules;

    capsules = builder_read_capsules (arg_data, units, shapes, &num_capsules);

    builder_check_multi_defs (shapes);

    builder_suppress (arg_data, shapes);

    builder_write_library (arg_data, shapes, num_capsules, capsules);

}

/*

 * Local variables(smf):

 * eval: (include::add-path-entry "../os-interface" "../library" "../tdf")

 * eval: (include::add-path-entry "../generated")

 * End:

**/