]>
git.ipfire.org Git - thirdparty/gcc.git/blob - gcc/java/resource.c
1 /* Functions related to building resource files.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
3 2007, 2008, 2009, 2010, 2012 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>.
21 Java and all Java-based marks are trademarks or registered trademarks
22 of Sun Microsystems, Inc. in the United States and other countries.
23 The Free Software Foundation is independent of Sun Microsystems, Inc. */
27 #include "coretypes.h"
29 #include "java-tree.h"
31 #include "diagnostic-core.h"
36 #include "tree-iterator.h"
39 /* A list of all the resources files. */
40 static GTY(()) vec
<tree
, va_gc
> *resources
;
43 compile_resource_data (const char *name
, const char *buffer
, int length
)
45 tree rtype
, field
= NULL_TREE
, data_type
, rinit
, data
, decl
;
46 vec
<constructor_elt
, va_gc
> *v
= NULL
;
48 data_type
= build_prim_array_type (unsigned_byte_type_node
,
49 strlen (name
) + length
);
50 rtype
= make_node (RECORD_TYPE
);
51 PUSH_FIELD (input_location
,
52 rtype
, field
, "name_length", unsigned_int_type_node
);
53 PUSH_FIELD (input_location
,
54 rtype
, field
, "resource_length", unsigned_int_type_node
);
55 PUSH_FIELD (input_location
, rtype
, field
, "data", data_type
);
56 FINISH_RECORD (rtype
);
57 START_RECORD_CONSTRUCTOR (v
, rtype
);
58 PUSH_FIELD_VALUE (v
, "name_length",
59 build_int_cst (NULL_TREE
, strlen (name
)));
60 PUSH_FIELD_VALUE (v
, "resource_length",
61 build_int_cst (NULL_TREE
, length
));
62 data
= build_string (strlen(name
) + length
, buffer
);
63 TREE_TYPE (data
) = data_type
;
64 PUSH_FIELD_VALUE (v
, "data", data
);
65 FINISH_RECORD_CONSTRUCTOR (rinit
, v
, rtype
);
66 TREE_CONSTANT (rinit
) = 1;
68 decl
= build_decl (input_location
,
69 VAR_DECL
, java_mangle_resource_name (name
), rtype
);
70 TREE_STATIC (decl
) = 1;
71 TREE_PUBLIC (decl
) = 1;
72 java_hide_decl (decl
);
73 DECL_ARTIFICIAL (decl
) = 1;
74 DECL_IGNORED_P (decl
) = 1;
75 TREE_READONLY (decl
) = 1;
76 TREE_THIS_VOLATILE (decl
) = 0;
77 DECL_INITIAL (decl
) = rinit
;
78 layout_decl (decl
, 0);
80 rest_of_decl_compilation (decl
, global_bindings_p (), 0);
81 varpool_finalize_decl (decl
);
83 vec_safe_push (resources
, decl
);
87 write_resource_constructor (tree
*list_p
)
89 tree decl
, t
, register_resource_fn
;
92 if (resources
== NULL
)
95 t
= build_function_type_list (void_type_node
, ptr_type_node
, NULL
);
96 t
= build_decl (input_location
,
97 FUNCTION_DECL
, get_identifier ("_Jv_RegisterResource"), t
);
99 DECL_EXTERNAL (t
) = 1;
100 register_resource_fn
= t
;
102 /* Write out entries in the same order in which they were defined. */
103 FOR_EACH_VEC_ELT (*resources
, ix
, decl
)
105 t
= build_fold_addr_expr (decl
);
106 t
= build_call_expr (register_resource_fn
, 1, t
);
107 append_to_statement_list (t
, list_p
);
111 /* Generate a byte array representing the contents of FILENAME. The
112 array is assigned a unique local symbol. The array represents a
113 compiled Java resource, which is accessed by the runtime using
116 compile_resource_file (const char *name
, const char *filename
)
118 struct stat stat_buf
;
122 fd
= open (filename
, O_RDONLY
| O_BINARY
);
125 perror ("Failed to read resource file");
128 if (fstat (fd
, &stat_buf
) != 0
129 || ! S_ISREG (stat_buf
.st_mode
))
131 perror ("Could not figure length of resource file");
134 buffer
= XNEWVEC (char, strlen (name
) + stat_buf
.st_size
);
135 strcpy (buffer
, name
);
136 read (fd
, buffer
+ strlen (name
), stat_buf
.st_size
);
139 compile_resource_data (name
, buffer
, stat_buf
.st_size
);
142 #include "gt-java-resource.h"