1*c87b03e5Sespie /* Parser for Java(TM) .class files.
2*c87b03e5Sespie Copyright (C) 1996, 1998, 1999, 2000, 2001, 2002, 2003
3*c87b03e5Sespie Free Software Foundation, Inc.
4*c87b03e5Sespie
5*c87b03e5Sespie This file is part of GNU CC.
6*c87b03e5Sespie
7*c87b03e5Sespie GNU CC is free software; you can redistribute it and/or modify
8*c87b03e5Sespie it under the terms of the GNU General Public License as published by
9*c87b03e5Sespie the Free Software Foundation; either version 2, or (at your option)
10*c87b03e5Sespie any later version.
11*c87b03e5Sespie
12*c87b03e5Sespie GNU CC is distributed in the hope that it will be useful,
13*c87b03e5Sespie but WITHOUT ANY WARRANTY; without even the implied warranty of
14*c87b03e5Sespie MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15*c87b03e5Sespie GNU General Public License for more details.
16*c87b03e5Sespie
17*c87b03e5Sespie You should have received a copy of the GNU General Public License
18*c87b03e5Sespie along with GNU CC; see the file COPYING. If not, write to
19*c87b03e5Sespie the Free Software Foundation, 59 Temple Place - Suite 330,
20*c87b03e5Sespie Boston, MA 02111-1307, USA.
21*c87b03e5Sespie
22*c87b03e5Sespie Java and all Java-based marks are trademarks or registered trademarks
23*c87b03e5Sespie of Sun Microsystems, Inc. in the United States and other countries.
24*c87b03e5Sespie The Free Software Foundation is independent of Sun Microsystems, Inc. */
25*c87b03e5Sespie
26*c87b03e5Sespie /* Written by Per Bothner <bothner@cygnus.com> */
27*c87b03e5Sespie
28*c87b03e5Sespie #include "config.h"
29*c87b03e5Sespie #include "system.h"
30*c87b03e5Sespie #include "tree.h"
31*c87b03e5Sespie #include "real.h"
32*c87b03e5Sespie #include "obstack.h"
33*c87b03e5Sespie #include "flags.h"
34*c87b03e5Sespie #include "java-except.h"
35*c87b03e5Sespie #include "input.h"
36*c87b03e5Sespie #include "java-tree.h"
37*c87b03e5Sespie #include "toplev.h"
38*c87b03e5Sespie #include "parse.h"
39*c87b03e5Sespie #include "ggc.h"
40*c87b03e5Sespie #include "debug.h"
41*c87b03e5Sespie #include "assert.h"
42*c87b03e5Sespie
43*c87b03e5Sespie #ifdef HAVE_LOCALE_H
44*c87b03e5Sespie #include <locale.h>
45*c87b03e5Sespie #endif
46*c87b03e5Sespie
47*c87b03e5Sespie #ifdef HAVE_LANGINFO_CODESET
48*c87b03e5Sespie #include <langinfo.h>
49*c87b03e5Sespie #endif
50*c87b03e5Sespie
51*c87b03e5Sespie /* A CONSTANT_Utf8 element is converted to an IDENTIFIER_NODE at parse time. */
52*c87b03e5Sespie #define JPOOL_UTF(JCF, INDEX) CPOOL_UTF(&(JCF)->cpool, INDEX)
53*c87b03e5Sespie #define JPOOL_UTF_LENGTH(JCF, INDEX) IDENTIFIER_LENGTH (JPOOL_UTF (JCF, INDEX))
54*c87b03e5Sespie #define JPOOL_UTF_DATA(JCF, INDEX) \
55*c87b03e5Sespie ((const unsigned char *) IDENTIFIER_POINTER (JPOOL_UTF (JCF, INDEX)))
56*c87b03e5Sespie #define HANDLE_CONSTANT_Utf8(JCF, INDEX, LENGTH) \
57*c87b03e5Sespie do { \
58*c87b03e5Sespie unsigned char save; unsigned char *text; \
59*c87b03e5Sespie JCF_FILL (JCF, (LENGTH)+1); /* Make sure we read 1 byte beyond string. */ \
60*c87b03e5Sespie text = (JCF)->read_ptr; \
61*c87b03e5Sespie save = text[LENGTH]; \
62*c87b03e5Sespie text[LENGTH] = 0; \
63*c87b03e5Sespie (JCF)->cpool.data[INDEX] = (jword) get_identifier (text); \
64*c87b03e5Sespie text[LENGTH] = save; \
65*c87b03e5Sespie JCF_SKIP (JCF, LENGTH); } while (0)
66*c87b03e5Sespie
67*c87b03e5Sespie #include "jcf.h"
68*c87b03e5Sespie
69*c87b03e5Sespie extern struct obstack temporary_obstack;
70*c87b03e5Sespie
71*c87b03e5Sespie /* Set to nonzero value in order to emit class initilization code
72*c87b03e5Sespie before static field references. */
73*c87b03e5Sespie extern int always_initialize_class_p;
74*c87b03e5Sespie
75*c87b03e5Sespie static GTY(()) tree parse_roots[3];
76*c87b03e5Sespie
77*c87b03e5Sespie /* The FIELD_DECL for the current field. */
78*c87b03e5Sespie #define current_field parse_roots[0]
79*c87b03e5Sespie
80*c87b03e5Sespie /* The METHOD_DECL for the current method. */
81*c87b03e5Sespie #define current_method parse_roots[1]
82*c87b03e5Sespie
83*c87b03e5Sespie /* A list of file names. */
84*c87b03e5Sespie #define current_file_list parse_roots[2]
85*c87b03e5Sespie
86*c87b03e5Sespie /* The Java archive that provides main_class; the main input file. */
87*c87b03e5Sespie static struct JCF main_jcf[1];
88*c87b03e5Sespie
89*c87b03e5Sespie static struct ZipFile *localToFile;
90*c87b03e5Sespie
91*c87b03e5Sespie /* Declarations of some functions used here. */
92*c87b03e5Sespie static void handle_innerclass_attribute PARAMS ((int count, JCF *));
93*c87b03e5Sespie static tree give_name_to_class PARAMS ((JCF *jcf, int index));
94*c87b03e5Sespie static void parse_zip_file_entries PARAMS ((void));
95*c87b03e5Sespie static void process_zip_dir PARAMS ((FILE *));
96*c87b03e5Sespie static void parse_source_file_1 PARAMS ((tree, FILE *));
97*c87b03e5Sespie static void parse_source_file_2 PARAMS ((void));
98*c87b03e5Sespie static void parse_source_file_3 PARAMS ((void));
99*c87b03e5Sespie static void parse_class_file PARAMS ((void));
100*c87b03e5Sespie static void set_source_filename PARAMS ((JCF *, int));
101*c87b03e5Sespie static void ggc_mark_jcf PARAMS ((void**));
102*c87b03e5Sespie static void jcf_parse PARAMS ((struct JCF*));
103*c87b03e5Sespie static void load_inner_classes PARAMS ((tree));
104*c87b03e5Sespie
105*c87b03e5Sespie /* Mark (for garbage collection) all the tree nodes that are
106*c87b03e5Sespie referenced from JCF's constant pool table. Do that only if the JCF
107*c87b03e5Sespie hasn't been marked finished. */
108*c87b03e5Sespie
109*c87b03e5Sespie static void
ggc_mark_jcf(elt)110*c87b03e5Sespie ggc_mark_jcf (elt)
111*c87b03e5Sespie void **elt;
112*c87b03e5Sespie {
113*c87b03e5Sespie JCF *jcf = *(JCF**) elt;
114*c87b03e5Sespie if (jcf != NULL && !jcf->finished)
115*c87b03e5Sespie {
116*c87b03e5Sespie CPool *cpool = &jcf->cpool;
117*c87b03e5Sespie int size = CPOOL_COUNT(cpool);
118*c87b03e5Sespie int index;
119*c87b03e5Sespie for (index = 1; index < size; index++)
120*c87b03e5Sespie {
121*c87b03e5Sespie int tag = JPOOL_TAG (jcf, index);
122*c87b03e5Sespie if ((tag & CONSTANT_ResolvedFlag) || tag == CONSTANT_Utf8)
123*c87b03e5Sespie ggc_mark_tree ((tree) cpool->data[index]);
124*c87b03e5Sespie }
125*c87b03e5Sespie }
126*c87b03e5Sespie }
127*c87b03e5Sespie
128*c87b03e5Sespie /* Handle "SourceFile" attribute. */
129*c87b03e5Sespie
130*c87b03e5Sespie static void
set_source_filename(jcf,index)131*c87b03e5Sespie set_source_filename (jcf, index)
132*c87b03e5Sespie JCF *jcf;
133*c87b03e5Sespie int index;
134*c87b03e5Sespie {
135*c87b03e5Sespie tree sfname_id = get_name_constant (jcf, index);
136*c87b03e5Sespie const char *sfname = IDENTIFIER_POINTER (sfname_id);
137*c87b03e5Sespie if (input_filename != NULL)
138*c87b03e5Sespie {
139*c87b03e5Sespie int old_len = strlen (input_filename);
140*c87b03e5Sespie int new_len = IDENTIFIER_LENGTH (sfname_id);
141*c87b03e5Sespie /* Use the current input_filename (derived from the class name)
142*c87b03e5Sespie if it has a directory prefix, but otherwise matches sfname. */
143*c87b03e5Sespie if (old_len > new_len
144*c87b03e5Sespie && strcmp (sfname, input_filename + old_len - new_len) == 0
145*c87b03e5Sespie && (input_filename[old_len - new_len - 1] == '/'
146*c87b03e5Sespie || input_filename[old_len - new_len - 1] == '\\'))
147*c87b03e5Sespie return;
148*c87b03e5Sespie }
149*c87b03e5Sespie input_filename = sfname;
150*c87b03e5Sespie DECL_SOURCE_FILE (TYPE_NAME (current_class)) = sfname;
151*c87b03e5Sespie if (current_class == main_class) main_input_filename = input_filename;
152*c87b03e5Sespie }
153*c87b03e5Sespie
154*c87b03e5Sespie #define HANDLE_SOURCEFILE(INDEX) set_source_filename (jcf, INDEX)
155*c87b03e5Sespie
156*c87b03e5Sespie #define HANDLE_CLASS_INFO(ACCESS_FLAGS, THIS, SUPER, INTERFACES_COUNT) \
157*c87b03e5Sespie { tree super_class = SUPER==0 ? NULL_TREE : get_class_constant (jcf, SUPER); \
158*c87b03e5Sespie current_class = give_name_to_class (jcf, THIS); \
159*c87b03e5Sespie set_super_info (ACCESS_FLAGS, current_class, super_class, INTERFACES_COUNT);}
160*c87b03e5Sespie
161*c87b03e5Sespie #define HANDLE_CLASS_INTERFACE(INDEX) \
162*c87b03e5Sespie add_interface (current_class, get_class_constant (jcf, INDEX))
163*c87b03e5Sespie
164*c87b03e5Sespie #define HANDLE_START_FIELD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \
165*c87b03e5Sespie { int sig_index = SIGNATURE; \
166*c87b03e5Sespie current_field = add_field (current_class, get_name_constant (jcf, NAME), \
167*c87b03e5Sespie parse_signature (jcf, sig_index), ACCESS_FLAGS); \
168*c87b03e5Sespie set_java_signature (TREE_TYPE (current_field), JPOOL_UTF (jcf, sig_index)); \
169*c87b03e5Sespie if ((ACCESS_FLAGS) & ACC_FINAL) \
170*c87b03e5Sespie MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC (current_field); \
171*c87b03e5Sespie }
172*c87b03e5Sespie
173*c87b03e5Sespie #define HANDLE_END_FIELDS() \
174*c87b03e5Sespie (current_field = NULL_TREE)
175*c87b03e5Sespie
176*c87b03e5Sespie #define HANDLE_CONSTANTVALUE(INDEX) \
177*c87b03e5Sespie { tree constant; int index = INDEX; \
178*c87b03e5Sespie if (! flag_emit_class_files && JPOOL_TAG (jcf, index) == CONSTANT_String) { \
179*c87b03e5Sespie tree name = get_name_constant (jcf, JPOOL_USHORT1 (jcf, index)); \
180*c87b03e5Sespie constant = build_utf8_ref (name); \
181*c87b03e5Sespie } \
182*c87b03e5Sespie else \
183*c87b03e5Sespie constant = get_constant (jcf, index); \
184*c87b03e5Sespie set_constant_value (current_field, constant); }
185*c87b03e5Sespie
186*c87b03e5Sespie #define HANDLE_METHOD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \
187*c87b03e5Sespie (current_method = add_method (current_class, ACCESS_FLAGS, \
188*c87b03e5Sespie get_name_constant (jcf, NAME), \
189*c87b03e5Sespie get_name_constant (jcf, SIGNATURE)), \
190*c87b03e5Sespie DECL_LOCALVARIABLES_OFFSET (current_method) = 0, \
191*c87b03e5Sespie DECL_LINENUMBERS_OFFSET (current_method) = 0)
192*c87b03e5Sespie
193*c87b03e5Sespie #define HANDLE_END_METHODS() \
194*c87b03e5Sespie { current_method = NULL_TREE; }
195*c87b03e5Sespie
196*c87b03e5Sespie #define HANDLE_CODE_ATTRIBUTE(MAX_STACK, MAX_LOCALS, CODE_LENGTH) \
197*c87b03e5Sespie { DECL_MAX_STACK (current_method) = (MAX_STACK); \
198*c87b03e5Sespie DECL_MAX_LOCALS (current_method) = (MAX_LOCALS); \
199*c87b03e5Sespie DECL_CODE_LENGTH (current_method) = (CODE_LENGTH); \
200*c87b03e5Sespie DECL_CODE_OFFSET (current_method) = JCF_TELL (jcf); }
201*c87b03e5Sespie
202*c87b03e5Sespie #define HANDLE_LOCALVARIABLETABLE_ATTRIBUTE(COUNT) \
203*c87b03e5Sespie { int n = (COUNT); \
204*c87b03e5Sespie DECL_LOCALVARIABLES_OFFSET (current_method) = JCF_TELL (jcf) - 2; \
205*c87b03e5Sespie JCF_SKIP (jcf, n * 10); }
206*c87b03e5Sespie
207*c87b03e5Sespie #define HANDLE_LINENUMBERTABLE_ATTRIBUTE(COUNT) \
208*c87b03e5Sespie { int n = (COUNT); \
209*c87b03e5Sespie DECL_LINENUMBERS_OFFSET (current_method) = JCF_TELL (jcf) - 2; \
210*c87b03e5Sespie JCF_SKIP (jcf, n * 4); }
211*c87b03e5Sespie
212*c87b03e5Sespie #define HANDLE_EXCEPTIONS_ATTRIBUTE(COUNT) \
213*c87b03e5Sespie { \
214*c87b03e5Sespie int n = COUNT; \
215*c87b03e5Sespie tree list = DECL_FUNCTION_THROWS (current_method); \
216*c87b03e5Sespie while (--n >= 0) \
217*c87b03e5Sespie { \
218*c87b03e5Sespie tree thrown_class = get_class_constant (jcf, JCF_readu2 (jcf)); \
219*c87b03e5Sespie list = tree_cons (NULL_TREE, thrown_class, list); \
220*c87b03e5Sespie } \
221*c87b03e5Sespie DECL_FUNCTION_THROWS (current_method) = nreverse (list); \
222*c87b03e5Sespie }
223*c87b03e5Sespie
224*c87b03e5Sespie /* Link seen inner classes to their outer context and register the
225*c87b03e5Sespie inner class to its outer context. They will be later loaded. */
226*c87b03e5Sespie #define HANDLE_INNERCLASSES_ATTRIBUTE(COUNT) \
227*c87b03e5Sespie handle_innerclass_attribute (COUNT, jcf)
228*c87b03e5Sespie
229*c87b03e5Sespie #define HANDLE_SYNTHETIC_ATTRIBUTE() \
230*c87b03e5Sespie { \
231*c87b03e5Sespie /* Irrelevant decls should have been nullified by the END macros. \
232*c87b03e5Sespie We only handle the `Synthetic' attribute on method DECLs. \
233*c87b03e5Sespie DECL_ARTIFICIAL on fields is used for something else (See \
234*c87b03e5Sespie PUSH_FIELD in java-tree.h) */ \
235*c87b03e5Sespie if (current_method) \
236*c87b03e5Sespie DECL_ARTIFICIAL (current_method) = 1; \
237*c87b03e5Sespie }
238*c87b03e5Sespie
239*c87b03e5Sespie #define HANDLE_GCJCOMPILED_ATTRIBUTE() \
240*c87b03e5Sespie { \
241*c87b03e5Sespie if (current_class == object_type_node) \
242*c87b03e5Sespie jcf->right_zip = 1; \
243*c87b03e5Sespie }
244*c87b03e5Sespie
245*c87b03e5Sespie #include "jcf-reader.c"
246*c87b03e5Sespie
247*c87b03e5Sespie tree
parse_signature(jcf,sig_index)248*c87b03e5Sespie parse_signature (jcf, sig_index)
249*c87b03e5Sespie JCF *jcf;
250*c87b03e5Sespie int sig_index;
251*c87b03e5Sespie {
252*c87b03e5Sespie if (sig_index <= 0 || sig_index >= JPOOL_SIZE (jcf)
253*c87b03e5Sespie || JPOOL_TAG (jcf, sig_index) != CONSTANT_Utf8)
254*c87b03e5Sespie abort ();
255*c87b03e5Sespie else
256*c87b03e5Sespie return parse_signature_string (JPOOL_UTF_DATA (jcf, sig_index),
257*c87b03e5Sespie JPOOL_UTF_LENGTH (jcf, sig_index));
258*c87b03e5Sespie }
259*c87b03e5Sespie
260*c87b03e5Sespie tree
get_constant(jcf,index)261*c87b03e5Sespie get_constant (jcf, index)
262*c87b03e5Sespie JCF *jcf;
263*c87b03e5Sespie int index;
264*c87b03e5Sespie {
265*c87b03e5Sespie tree value;
266*c87b03e5Sespie int tag;
267*c87b03e5Sespie if (index <= 0 || index >= JPOOL_SIZE(jcf))
268*c87b03e5Sespie goto bad;
269*c87b03e5Sespie tag = JPOOL_TAG (jcf, index);
270*c87b03e5Sespie if ((tag & CONSTANT_ResolvedFlag) || tag == CONSTANT_Utf8)
271*c87b03e5Sespie return (tree) jcf->cpool.data[index];
272*c87b03e5Sespie switch (tag)
273*c87b03e5Sespie {
274*c87b03e5Sespie case CONSTANT_Integer:
275*c87b03e5Sespie {
276*c87b03e5Sespie jint num = JPOOL_INT(jcf, index);
277*c87b03e5Sespie value = build_int_2 (num, num < 0 ? -1 : 0);
278*c87b03e5Sespie TREE_TYPE (value) = int_type_node;
279*c87b03e5Sespie break;
280*c87b03e5Sespie }
281*c87b03e5Sespie case CONSTANT_Long:
282*c87b03e5Sespie {
283*c87b03e5Sespie unsigned HOST_WIDE_INT num = JPOOL_UINT (jcf, index);
284*c87b03e5Sespie HOST_WIDE_INT lo, hi;
285*c87b03e5Sespie lshift_double (num, 0, 32, 64, &lo, &hi, 0);
286*c87b03e5Sespie num = JPOOL_UINT (jcf, index+1);
287*c87b03e5Sespie add_double (lo, hi, num, 0, &lo, &hi);
288*c87b03e5Sespie value = build_int_2 (lo, hi);
289*c87b03e5Sespie TREE_TYPE (value) = long_type_node;
290*c87b03e5Sespie force_fit_type (value, 0);
291*c87b03e5Sespie break;
292*c87b03e5Sespie }
293*c87b03e5Sespie
294*c87b03e5Sespie case CONSTANT_Float:
295*c87b03e5Sespie {
296*c87b03e5Sespie jint num = JPOOL_INT(jcf, index);
297*c87b03e5Sespie long buf = num;
298*c87b03e5Sespie REAL_VALUE_TYPE d;
299*c87b03e5Sespie
300*c87b03e5Sespie real_from_target_fmt (&d, &buf, &ieee_single_format);
301*c87b03e5Sespie value = build_real (float_type_node, d);
302*c87b03e5Sespie break;
303*c87b03e5Sespie }
304*c87b03e5Sespie
305*c87b03e5Sespie case CONSTANT_Double:
306*c87b03e5Sespie {
307*c87b03e5Sespie long buf[2], lo, hi;
308*c87b03e5Sespie REAL_VALUE_TYPE d;
309*c87b03e5Sespie
310*c87b03e5Sespie hi = JPOOL_UINT (jcf, index);
311*c87b03e5Sespie lo = JPOOL_UINT (jcf, index+1);
312*c87b03e5Sespie
313*c87b03e5Sespie if (FLOAT_WORDS_BIG_ENDIAN)
314*c87b03e5Sespie buf[0] = hi, buf[1] = lo;
315*c87b03e5Sespie else
316*c87b03e5Sespie buf[0] = lo, buf[1] = hi;
317*c87b03e5Sespie
318*c87b03e5Sespie real_from_target_fmt (&d, buf, &ieee_double_format);
319*c87b03e5Sespie value = build_real (double_type_node, d);
320*c87b03e5Sespie break;
321*c87b03e5Sespie }
322*c87b03e5Sespie
323*c87b03e5Sespie case CONSTANT_String:
324*c87b03e5Sespie {
325*c87b03e5Sespie tree name = get_name_constant (jcf, JPOOL_USHORT1 (jcf, index));
326*c87b03e5Sespie const char *utf8_ptr = IDENTIFIER_POINTER (name);
327*c87b03e5Sespie int utf8_len = IDENTIFIER_LENGTH (name);
328*c87b03e5Sespie const unsigned char *utf8;
329*c87b03e5Sespie int i;
330*c87b03e5Sespie
331*c87b03e5Sespie /* Check for a malformed Utf8 string. */
332*c87b03e5Sespie utf8 = (const unsigned char *) utf8_ptr;
333*c87b03e5Sespie i = utf8_len;
334*c87b03e5Sespie while (i > 0)
335*c87b03e5Sespie {
336*c87b03e5Sespie int char_len = UT8_CHAR_LENGTH (*utf8);
337*c87b03e5Sespie if (char_len < 0 || char_len > 3 || char_len > i)
338*c87b03e5Sespie fatal_error ("bad string constant");
339*c87b03e5Sespie
340*c87b03e5Sespie utf8 += char_len;
341*c87b03e5Sespie i -= char_len;
342*c87b03e5Sespie }
343*c87b03e5Sespie
344*c87b03e5Sespie /* Allocate a new string value. */
345*c87b03e5Sespie value = build_string (utf8_len, utf8_ptr);
346*c87b03e5Sespie TREE_TYPE (value) = build_pointer_type (string_type_node);
347*c87b03e5Sespie }
348*c87b03e5Sespie break;
349*c87b03e5Sespie default:
350*c87b03e5Sespie goto bad;
351*c87b03e5Sespie }
352*c87b03e5Sespie JPOOL_TAG (jcf, index) = tag | CONSTANT_ResolvedFlag;
353*c87b03e5Sespie jcf->cpool.data [index] = (jword) value;
354*c87b03e5Sespie return value;
355*c87b03e5Sespie bad:
356*c87b03e5Sespie internal_error ("bad value constant type %d, index %d",
357*c87b03e5Sespie JPOOL_TAG (jcf, index), index);
358*c87b03e5Sespie }
359*c87b03e5Sespie
360*c87b03e5Sespie tree
get_name_constant(jcf,index)361*c87b03e5Sespie get_name_constant (jcf, index)
362*c87b03e5Sespie JCF *jcf;
363*c87b03e5Sespie int index;
364*c87b03e5Sespie {
365*c87b03e5Sespie tree name = get_constant (jcf, index);
366*c87b03e5Sespie
367*c87b03e5Sespie if (TREE_CODE (name) != IDENTIFIER_NODE)
368*c87b03e5Sespie abort ();
369*c87b03e5Sespie
370*c87b03e5Sespie return name;
371*c87b03e5Sespie }
372*c87b03e5Sespie
373*c87b03e5Sespie /* Handle reading innerclass attributes. If a nonzero entry (denoting
374*c87b03e5Sespie a non anonymous entry) is found, We augment the inner class list of
375*c87b03e5Sespie the outer context with the newly resolved innerclass. */
376*c87b03e5Sespie
377*c87b03e5Sespie static void
handle_innerclass_attribute(count,jcf)378*c87b03e5Sespie handle_innerclass_attribute (count, jcf)
379*c87b03e5Sespie int count;
380*c87b03e5Sespie JCF *jcf;
381*c87b03e5Sespie {
382*c87b03e5Sespie int c = (count);
383*c87b03e5Sespie while (c--)
384*c87b03e5Sespie {
385*c87b03e5Sespie /* Read inner_class_info_index. This may be 0 */
386*c87b03e5Sespie int icii = JCF_readu2 (jcf);
387*c87b03e5Sespie /* Read outer_class_info_index. If the innerclasses attribute
388*c87b03e5Sespie entry isn't a member (like an inner class) the value is 0. */
389*c87b03e5Sespie int ocii = JCF_readu2 (jcf);
390*c87b03e5Sespie /* Read inner_name_index. If the class we're dealing with is
391*c87b03e5Sespie an annonymous class, it must be 0. */
392*c87b03e5Sespie int ini = JCF_readu2 (jcf);
393*c87b03e5Sespie /* Read the access flag. */
394*c87b03e5Sespie int acc = JCF_readu2 (jcf);
395*c87b03e5Sespie /* If icii is 0, don't try to read the class. */
396*c87b03e5Sespie if (icii >= 0)
397*c87b03e5Sespie {
398*c87b03e5Sespie tree class = get_class_constant (jcf, icii);
399*c87b03e5Sespie tree decl = TYPE_NAME (class);
400*c87b03e5Sespie /* Skip reading further if ocii is null */
401*c87b03e5Sespie if (DECL_P (decl) && !CLASS_COMPLETE_P (decl) && ocii)
402*c87b03e5Sespie {
403*c87b03e5Sespie tree outer = TYPE_NAME (get_class_constant (jcf, ocii));
404*c87b03e5Sespie tree alias = (ini ? get_name_constant (jcf, ini) : NULL_TREE);
405*c87b03e5Sespie set_class_decl_access_flags (acc, decl);
406*c87b03e5Sespie DECL_CONTEXT (decl) = outer;
407*c87b03e5Sespie DECL_INNER_CLASS_LIST (outer) =
408*c87b03e5Sespie tree_cons (decl, alias, DECL_INNER_CLASS_LIST (outer));
409*c87b03e5Sespie CLASS_COMPLETE_P (decl) = 1;
410*c87b03e5Sespie }
411*c87b03e5Sespie }
412*c87b03e5Sespie }
413*c87b03e5Sespie }
414*c87b03e5Sespie
415*c87b03e5Sespie static tree
give_name_to_class(jcf,i)416*c87b03e5Sespie give_name_to_class (jcf, i)
417*c87b03e5Sespie JCF *jcf;
418*c87b03e5Sespie int i;
419*c87b03e5Sespie {
420*c87b03e5Sespie if (i <= 0 || i >= JPOOL_SIZE (jcf)
421*c87b03e5Sespie || JPOOL_TAG (jcf, i) != CONSTANT_Class)
422*c87b03e5Sespie abort ();
423*c87b03e5Sespie else
424*c87b03e5Sespie {
425*c87b03e5Sespie tree this_class;
426*c87b03e5Sespie int j = JPOOL_USHORT1 (jcf, i);
427*c87b03e5Sespie /* verify_constant_pool confirmed that j is a CONSTANT_Utf8. */
428*c87b03e5Sespie tree class_name = unmangle_classname (JPOOL_UTF_DATA (jcf, j),
429*c87b03e5Sespie JPOOL_UTF_LENGTH (jcf, j));
430*c87b03e5Sespie this_class = lookup_class (class_name);
431*c87b03e5Sespie input_filename = DECL_SOURCE_FILE (TYPE_NAME (this_class));
432*c87b03e5Sespie lineno = 0;
433*c87b03e5Sespie if (main_input_filename == NULL && jcf == main_jcf)
434*c87b03e5Sespie main_input_filename = input_filename;
435*c87b03e5Sespie
436*c87b03e5Sespie jcf->cpool.data[i] = (jword) this_class;
437*c87b03e5Sespie JPOOL_TAG (jcf, i) = CONSTANT_ResolvedClass;
438*c87b03e5Sespie return this_class;
439*c87b03e5Sespie }
440*c87b03e5Sespie }
441*c87b03e5Sespie
442*c87b03e5Sespie /* Get the class of the CONSTANT_Class whose constant pool index is I. */
443*c87b03e5Sespie
444*c87b03e5Sespie tree
get_class_constant(JCF * jcf,int i)445*c87b03e5Sespie get_class_constant (JCF *jcf , int i)
446*c87b03e5Sespie {
447*c87b03e5Sespie tree type;
448*c87b03e5Sespie if (i <= 0 || i >= JPOOL_SIZE (jcf)
449*c87b03e5Sespie || (JPOOL_TAG (jcf, i) & ~CONSTANT_ResolvedFlag) != CONSTANT_Class)
450*c87b03e5Sespie abort ();
451*c87b03e5Sespie
452*c87b03e5Sespie if (JPOOL_TAG (jcf, i) != CONSTANT_ResolvedClass)
453*c87b03e5Sespie {
454*c87b03e5Sespie int name_index = JPOOL_USHORT1 (jcf, i);
455*c87b03e5Sespie /* verify_constant_pool confirmed that name_index is a CONSTANT_Utf8. */
456*c87b03e5Sespie const char *name = JPOOL_UTF_DATA (jcf, name_index);
457*c87b03e5Sespie int nlength = JPOOL_UTF_LENGTH (jcf, name_index);
458*c87b03e5Sespie
459*c87b03e5Sespie if (name[0] == '[') /* Handle array "classes". */
460*c87b03e5Sespie type = TREE_TYPE (parse_signature_string (name, nlength));
461*c87b03e5Sespie else
462*c87b03e5Sespie {
463*c87b03e5Sespie tree cname = unmangle_classname (name, nlength);
464*c87b03e5Sespie type = lookup_class (cname);
465*c87b03e5Sespie }
466*c87b03e5Sespie jcf->cpool.data[i] = (jword) type;
467*c87b03e5Sespie JPOOL_TAG (jcf, i) = CONSTANT_ResolvedClass;
468*c87b03e5Sespie }
469*c87b03e5Sespie else
470*c87b03e5Sespie type = (tree) jcf->cpool.data[i];
471*c87b03e5Sespie return type;
472*c87b03e5Sespie }
473*c87b03e5Sespie
474*c87b03e5Sespie /* Read a class with the fully qualified-name NAME.
475*c87b03e5Sespie Return 1 iff we read the requested file.
476*c87b03e5Sespie (It is still possible we failed if the file did not
477*c87b03e5Sespie define the class it is supposed to.) */
478*c87b03e5Sespie
479*c87b03e5Sespie int
read_class(name)480*c87b03e5Sespie read_class (name)
481*c87b03e5Sespie tree name;
482*c87b03e5Sespie {
483*c87b03e5Sespie JCF this_jcf, *jcf;
484*c87b03e5Sespie tree icv, class = NULL_TREE;
485*c87b03e5Sespie tree save_current_class = current_class;
486*c87b03e5Sespie const char *save_input_filename = input_filename;
487*c87b03e5Sespie JCF *save_current_jcf = current_jcf;
488*c87b03e5Sespie
489*c87b03e5Sespie if ((icv = IDENTIFIER_CLASS_VALUE (name)) != NULL_TREE)
490*c87b03e5Sespie {
491*c87b03e5Sespie class = TREE_TYPE (icv);
492*c87b03e5Sespie jcf = TYPE_JCF (class);
493*c87b03e5Sespie }
494*c87b03e5Sespie else
495*c87b03e5Sespie jcf = NULL;
496*c87b03e5Sespie
497*c87b03e5Sespie if (jcf == NULL)
498*c87b03e5Sespie {
499*c87b03e5Sespie this_jcf.zipd = NULL;
500*c87b03e5Sespie jcf = &this_jcf;
501*c87b03e5Sespie if (find_class (IDENTIFIER_POINTER (name), IDENTIFIER_LENGTH (name),
502*c87b03e5Sespie &this_jcf, 1) == 0)
503*c87b03e5Sespie return 0;
504*c87b03e5Sespie }
505*c87b03e5Sespie
506*c87b03e5Sespie current_jcf = jcf;
507*c87b03e5Sespie
508*c87b03e5Sespie if (current_jcf->java_source)
509*c87b03e5Sespie {
510*c87b03e5Sespie const char *filename = current_jcf->filename;
511*c87b03e5Sespie tree file;
512*c87b03e5Sespie FILE *finput;
513*c87b03e5Sespie int generate;
514*c87b03e5Sespie
515*c87b03e5Sespie java_parser_context_save_global ();
516*c87b03e5Sespie java_push_parser_context ();
517*c87b03e5Sespie BUILD_FILENAME_IDENTIFIER_NODE (file, filename);
518*c87b03e5Sespie generate = IS_A_COMMAND_LINE_FILENAME_P (file);
519*c87b03e5Sespie if (wfl_operator == NULL_TREE)
520*c87b03e5Sespie wfl_operator = build_expr_wfl (NULL_TREE, NULL, 0, 0);
521*c87b03e5Sespie EXPR_WFL_FILENAME_NODE (wfl_operator) = file;
522*c87b03e5Sespie input_filename = ggc_strdup (filename);
523*c87b03e5Sespie current_class = NULL_TREE;
524*c87b03e5Sespie current_function_decl = NULL_TREE;
525*c87b03e5Sespie if (!HAS_BEEN_ALREADY_PARSED_P (file))
526*c87b03e5Sespie {
527*c87b03e5Sespie if (!(finput = fopen (input_filename, "r")))
528*c87b03e5Sespie fatal_io_error ("can't reopen %s", input_filename);
529*c87b03e5Sespie parse_source_file_1 (file, finput);
530*c87b03e5Sespie parse_source_file_2 ();
531*c87b03e5Sespie parse_source_file_3 ();
532*c87b03e5Sespie if (fclose (finput))
533*c87b03e5Sespie fatal_io_error ("can't close %s", input_filename);
534*c87b03e5Sespie }
535*c87b03e5Sespie JCF_FINISH (current_jcf);
536*c87b03e5Sespie java_pop_parser_context (generate);
537*c87b03e5Sespie java_parser_context_restore_global ();
538*c87b03e5Sespie }
539*c87b03e5Sespie else
540*c87b03e5Sespie {
541*c87b03e5Sespie if (class == NULL_TREE || ! CLASS_PARSED_P (class))
542*c87b03e5Sespie {
543*c87b03e5Sespie java_parser_context_save_global ();
544*c87b03e5Sespie java_push_parser_context ();
545*c87b03e5Sespie current_class = class;
546*c87b03e5Sespie input_filename = current_jcf->filename;
547*c87b03e5Sespie if (JCF_SEEN_IN_ZIP (current_jcf))
548*c87b03e5Sespie read_zip_member(current_jcf,
549*c87b03e5Sespie current_jcf->zipd, current_jcf->zipd->zipf);
550*c87b03e5Sespie jcf_parse (current_jcf);
551*c87b03e5Sespie /* Parsing might change the class, in which case we have to
552*c87b03e5Sespie put it back where we found it. */
553*c87b03e5Sespie if (current_class != class && icv != NULL_TREE)
554*c87b03e5Sespie TREE_TYPE (icv) = current_class;
555*c87b03e5Sespie class = current_class;
556*c87b03e5Sespie java_pop_parser_context (0);
557*c87b03e5Sespie java_parser_context_restore_global ();
558*c87b03e5Sespie }
559*c87b03e5Sespie layout_class (class);
560*c87b03e5Sespie load_inner_classes (class);
561*c87b03e5Sespie }
562*c87b03e5Sespie
563*c87b03e5Sespie current_class = save_current_class;
564*c87b03e5Sespie input_filename = save_input_filename;
565*c87b03e5Sespie current_jcf = save_current_jcf;
566*c87b03e5Sespie return 1;
567*c87b03e5Sespie }
568*c87b03e5Sespie
569*c87b03e5Sespie /* Load CLASS_OR_NAME. CLASS_OR_NAME can be a mere identifier if
570*c87b03e5Sespie called from the parser, otherwise it's a RECORD_TYPE node. If
571*c87b03e5Sespie VERBOSE is 1, print error message on failure to load a class. */
572*c87b03e5Sespie
573*c87b03e5Sespie /* Replace calls to load_class by having callers call read_class directly
574*c87b03e5Sespie - and then perhaps rename read_class to load_class. FIXME */
575*c87b03e5Sespie
576*c87b03e5Sespie void
load_class(class_or_name,verbose)577*c87b03e5Sespie load_class (class_or_name, verbose)
578*c87b03e5Sespie tree class_or_name;
579*c87b03e5Sespie int verbose;
580*c87b03e5Sespie {
581*c87b03e5Sespie tree name, saved;
582*c87b03e5Sespie int class_loaded;
583*c87b03e5Sespie
584*c87b03e5Sespie /* class_or_name can be the name of the class we want to load */
585*c87b03e5Sespie if (TREE_CODE (class_or_name) == IDENTIFIER_NODE)
586*c87b03e5Sespie name = class_or_name;
587*c87b03e5Sespie /* In some cases, it's a dependency that we process earlier that
588*c87b03e5Sespie we though */
589*c87b03e5Sespie else if (TREE_CODE (class_or_name) == TREE_LIST)
590*c87b03e5Sespie name = TYPE_NAME (TREE_PURPOSE (class_or_name));
591*c87b03e5Sespie /* Or it's a type in the making */
592*c87b03e5Sespie else
593*c87b03e5Sespie name = DECL_NAME (TYPE_NAME (class_or_name));
594*c87b03e5Sespie
595*c87b03e5Sespie saved = name;
596*c87b03e5Sespie while (1)
597*c87b03e5Sespie {
598*c87b03e5Sespie char *separator;
599*c87b03e5Sespie
600*c87b03e5Sespie if ((class_loaded = read_class (name)))
601*c87b03e5Sespie break;
602*c87b03e5Sespie
603*c87b03e5Sespie /* We failed loading name. Now consider that we might be looking
604*c87b03e5Sespie for a inner class. */
605*c87b03e5Sespie if ((separator = strrchr (IDENTIFIER_POINTER (name), '$'))
606*c87b03e5Sespie || (separator = strrchr (IDENTIFIER_POINTER (name), '.')))
607*c87b03e5Sespie {
608*c87b03e5Sespie int c = *separator;
609*c87b03e5Sespie *separator = '\0';
610*c87b03e5Sespie name = get_identifier (IDENTIFIER_POINTER (name));
611*c87b03e5Sespie *separator = c;
612*c87b03e5Sespie }
613*c87b03e5Sespie /* Otherwise, we failed, we bail. */
614*c87b03e5Sespie else
615*c87b03e5Sespie break;
616*c87b03e5Sespie }
617*c87b03e5Sespie
618*c87b03e5Sespie if (!class_loaded && verbose)
619*c87b03e5Sespie error ("cannot find file for class %s", IDENTIFIER_POINTER (saved));
620*c87b03e5Sespie }
621*c87b03e5Sespie
622*c87b03e5Sespie /* Parse the .class file JCF. */
623*c87b03e5Sespie
624*c87b03e5Sespie void
jcf_parse(jcf)625*c87b03e5Sespie jcf_parse (jcf)
626*c87b03e5Sespie JCF* jcf;
627*c87b03e5Sespie {
628*c87b03e5Sespie int i, code;
629*c87b03e5Sespie
630*c87b03e5Sespie if (jcf_parse_preamble (jcf) != 0)
631*c87b03e5Sespie fatal_error ("not a valid Java .class file");
632*c87b03e5Sespie code = jcf_parse_constant_pool (jcf);
633*c87b03e5Sespie if (code != 0)
634*c87b03e5Sespie fatal_error ("error while parsing constant pool");
635*c87b03e5Sespie code = verify_constant_pool (jcf);
636*c87b03e5Sespie if (code > 0)
637*c87b03e5Sespie fatal_error ("error in constant pool entry #%d\n", code);
638*c87b03e5Sespie
639*c87b03e5Sespie jcf_parse_class (jcf);
640*c87b03e5Sespie if (main_class == NULL_TREE)
641*c87b03e5Sespie main_class = current_class;
642*c87b03e5Sespie if (! quiet_flag && TYPE_NAME (current_class))
643*c87b03e5Sespie fprintf (stderr, " %s %s",
644*c87b03e5Sespie (jcf->access_flags & ACC_INTERFACE) ? "interface" : "class",
645*c87b03e5Sespie IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class))));
646*c87b03e5Sespie if (CLASS_PARSED_P (current_class))
647*c87b03e5Sespie {
648*c87b03e5Sespie /* FIXME - where was first time */
649*c87b03e5Sespie fatal_error ("reading class %s for the second time from %s",
650*c87b03e5Sespie IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class))),
651*c87b03e5Sespie jcf->filename);
652*c87b03e5Sespie }
653*c87b03e5Sespie CLASS_PARSED_P (current_class) = 1;
654*c87b03e5Sespie
655*c87b03e5Sespie for (i = 1; i < JPOOL_SIZE(jcf); i++)
656*c87b03e5Sespie {
657*c87b03e5Sespie switch (JPOOL_TAG (jcf, i))
658*c87b03e5Sespie {
659*c87b03e5Sespie case CONSTANT_Class:
660*c87b03e5Sespie get_class_constant (jcf, i);
661*c87b03e5Sespie break;
662*c87b03e5Sespie }
663*c87b03e5Sespie }
664*c87b03e5Sespie
665*c87b03e5Sespie code = jcf_parse_fields (jcf);
666*c87b03e5Sespie if (code != 0)
667*c87b03e5Sespie fatal_error ("error while parsing fields");
668*c87b03e5Sespie code = jcf_parse_methods (jcf);
669*c87b03e5Sespie if (code != 0)
670*c87b03e5Sespie fatal_error ("error while parsing methods");
671*c87b03e5Sespie code = jcf_parse_final_attributes (jcf);
672*c87b03e5Sespie if (code != 0)
673*c87b03e5Sespie fatal_error ("error while parsing final attributes");
674*c87b03e5Sespie
675*c87b03e5Sespie /* The fields of class_type_node are already in correct order. */
676*c87b03e5Sespie if (current_class != class_type_node && current_class != object_type_node)
677*c87b03e5Sespie TYPE_FIELDS (current_class) = nreverse (TYPE_FIELDS (current_class));
678*c87b03e5Sespie
679*c87b03e5Sespie if (current_class == object_type_node)
680*c87b03e5Sespie {
681*c87b03e5Sespie layout_class_methods (object_type_node);
682*c87b03e5Sespie /* If we don't have the right archive, emit a verbose warning.
683*c87b03e5Sespie If we're generating bytecode, emit the warning only if
684*c87b03e5Sespie -fforce-classes-archive-check was specified. */
685*c87b03e5Sespie if (!jcf->right_zip
686*c87b03e5Sespie && (!flag_emit_class_files || flag_force_classes_archive_check))
687*c87b03e5Sespie fatal_error ("the `java.lang.Object' that was found in `%s' didn't have the special zero-length `gnu.gcj.gcj-compiled' attribute. This generally means that your classpath is incorrectly set. Use `info gcj \"Input Options\"' to see the info page describing how to set the classpath", jcf->filename);
688*c87b03e5Sespie }
689*c87b03e5Sespie else
690*c87b03e5Sespie all_class_list = tree_cons (NULL_TREE,
691*c87b03e5Sespie TYPE_NAME (current_class), all_class_list );
692*c87b03e5Sespie }
693*c87b03e5Sespie
694*c87b03e5Sespie /* If we came across inner classes, load them now. */
695*c87b03e5Sespie static void
load_inner_classes(cur_class)696*c87b03e5Sespie load_inner_classes (cur_class)
697*c87b03e5Sespie tree cur_class;
698*c87b03e5Sespie {
699*c87b03e5Sespie tree current;
700*c87b03e5Sespie for (current = DECL_INNER_CLASS_LIST (TYPE_NAME (cur_class)); current;
701*c87b03e5Sespie current = TREE_CHAIN (current))
702*c87b03e5Sespie {
703*c87b03e5Sespie tree name = DECL_NAME (TREE_PURPOSE (current));
704*c87b03e5Sespie tree decl = IDENTIFIER_GLOBAL_VALUE (name);
705*c87b03e5Sespie if (decl && ! CLASS_LOADED_P (TREE_TYPE (decl))
706*c87b03e5Sespie && !CLASS_BEING_LAIDOUT (TREE_TYPE (decl)))
707*c87b03e5Sespie load_class (name, 1);
708*c87b03e5Sespie }
709*c87b03e5Sespie }
710*c87b03e5Sespie
711*c87b03e5Sespie void
init_outgoing_cpool()712*c87b03e5Sespie init_outgoing_cpool ()
713*c87b03e5Sespie {
714*c87b03e5Sespie current_constant_pool_data_ref = NULL_TREE;
715*c87b03e5Sespie outgoing_cpool = xmalloc (sizeof (struct CPool));
716*c87b03e5Sespie memset (outgoing_cpool, 0, sizeof (struct CPool));
717*c87b03e5Sespie }
718*c87b03e5Sespie
719*c87b03e5Sespie static void
parse_class_file()720*c87b03e5Sespie parse_class_file ()
721*c87b03e5Sespie {
722*c87b03e5Sespie tree method, field;
723*c87b03e5Sespie const char *save_input_filename = input_filename;
724*c87b03e5Sespie int save_lineno = lineno;
725*c87b03e5Sespie
726*c87b03e5Sespie java_layout_seen_class_methods ();
727*c87b03e5Sespie
728*c87b03e5Sespie input_filename = DECL_SOURCE_FILE (TYPE_NAME (current_class));
729*c87b03e5Sespie lineno = 0;
730*c87b03e5Sespie (*debug_hooks->start_source_file) (lineno, input_filename);
731*c87b03e5Sespie init_outgoing_cpool ();
732*c87b03e5Sespie
733*c87b03e5Sespie /* Currently we always have to emit calls to _Jv_InitClass when
734*c87b03e5Sespie compiling from class files. */
735*c87b03e5Sespie always_initialize_class_p = 1;
736*c87b03e5Sespie
737*c87b03e5Sespie for (field = TYPE_FIELDS (current_class);
738*c87b03e5Sespie field != NULL_TREE; field = TREE_CHAIN (field))
739*c87b03e5Sespie if (FIELD_STATIC (field))
740*c87b03e5Sespie DECL_EXTERNAL (field) = 0;
741*c87b03e5Sespie
742*c87b03e5Sespie for (method = TYPE_METHODS (current_class);
743*c87b03e5Sespie method != NULL_TREE; method = TREE_CHAIN (method))
744*c87b03e5Sespie {
745*c87b03e5Sespie JCF *jcf = current_jcf;
746*c87b03e5Sespie
747*c87b03e5Sespie if (METHOD_ABSTRACT (method))
748*c87b03e5Sespie continue;
749*c87b03e5Sespie
750*c87b03e5Sespie if (METHOD_NATIVE (method))
751*c87b03e5Sespie {
752*c87b03e5Sespie tree arg;
753*c87b03e5Sespie int decl_max_locals;
754*c87b03e5Sespie
755*c87b03e5Sespie if (! flag_jni)
756*c87b03e5Sespie continue;
757*c87b03e5Sespie /* We need to compute the DECL_MAX_LOCALS. We need to take
758*c87b03e5Sespie the wide types into account too. */
759*c87b03e5Sespie for (arg = TYPE_ARG_TYPES (TREE_TYPE (method)), decl_max_locals = 0;
760*c87b03e5Sespie arg != end_params_node;
761*c87b03e5Sespie arg = TREE_CHAIN (arg), decl_max_locals += 1)
762*c87b03e5Sespie {
763*c87b03e5Sespie if (TREE_VALUE (arg) && TYPE_IS_WIDE (TREE_VALUE (arg)))
764*c87b03e5Sespie decl_max_locals += 1;
765*c87b03e5Sespie }
766*c87b03e5Sespie DECL_MAX_LOCALS (method) = decl_max_locals;
767*c87b03e5Sespie start_java_method (method);
768*c87b03e5Sespie give_name_to_locals (jcf);
769*c87b03e5Sespie expand_expr_stmt (build_jni_stub (method));
770*c87b03e5Sespie end_java_method ();
771*c87b03e5Sespie continue;
772*c87b03e5Sespie }
773*c87b03e5Sespie
774*c87b03e5Sespie if (DECL_CODE_OFFSET (method) == 0)
775*c87b03e5Sespie {
776*c87b03e5Sespie current_function_decl = method;
777*c87b03e5Sespie error ("missing Code attribute");
778*c87b03e5Sespie continue;
779*c87b03e5Sespie }
780*c87b03e5Sespie
781*c87b03e5Sespie lineno = 0;
782*c87b03e5Sespie if (DECL_LINENUMBERS_OFFSET (method))
783*c87b03e5Sespie {
784*c87b03e5Sespie register int i;
785*c87b03e5Sespie register unsigned char *ptr;
786*c87b03e5Sespie JCF_SEEK (jcf, DECL_LINENUMBERS_OFFSET (method));
787*c87b03e5Sespie linenumber_count = i = JCF_readu2 (jcf);
788*c87b03e5Sespie linenumber_table = ptr = jcf->read_ptr;
789*c87b03e5Sespie
790*c87b03e5Sespie for (ptr += 2; --i >= 0; ptr += 4)
791*c87b03e5Sespie {
792*c87b03e5Sespie int line = GET_u2 (ptr);
793*c87b03e5Sespie /* Set initial lineno lineno to smallest linenumber.
794*c87b03e5Sespie * Needs to be set before init_function_start. */
795*c87b03e5Sespie if (lineno == 0 || line < lineno)
796*c87b03e5Sespie lineno = line;
797*c87b03e5Sespie }
798*c87b03e5Sespie }
799*c87b03e5Sespie else
800*c87b03e5Sespie {
801*c87b03e5Sespie linenumber_table = NULL;
802*c87b03e5Sespie linenumber_count = 0;
803*c87b03e5Sespie }
804*c87b03e5Sespie
805*c87b03e5Sespie start_java_method (method);
806*c87b03e5Sespie
807*c87b03e5Sespie note_instructions (jcf, method);
808*c87b03e5Sespie
809*c87b03e5Sespie give_name_to_locals (jcf);
810*c87b03e5Sespie
811*c87b03e5Sespie /* Actually generate code. */
812*c87b03e5Sespie expand_byte_code (jcf, method);
813*c87b03e5Sespie
814*c87b03e5Sespie end_java_method ();
815*c87b03e5Sespie }
816*c87b03e5Sespie
817*c87b03e5Sespie if (flag_emit_class_files)
818*c87b03e5Sespie write_classfile (current_class);
819*c87b03e5Sespie
820*c87b03e5Sespie finish_class ();
821*c87b03e5Sespie
822*c87b03e5Sespie (*debug_hooks->end_source_file) (save_lineno);
823*c87b03e5Sespie input_filename = save_input_filename;
824*c87b03e5Sespie lineno = save_lineno;
825*c87b03e5Sespie }
826*c87b03e5Sespie
827*c87b03e5Sespie /* Parse a source file, as pointed by the current value of INPUT_FILENAME. */
828*c87b03e5Sespie
829*c87b03e5Sespie static void
parse_source_file_1(file,finput)830*c87b03e5Sespie parse_source_file_1 (file, finput)
831*c87b03e5Sespie tree file;
832*c87b03e5Sespie FILE *finput;
833*c87b03e5Sespie {
834*c87b03e5Sespie int save_error_count = java_error_count;
835*c87b03e5Sespie /* Mark the file as parsed */
836*c87b03e5Sespie HAS_BEEN_ALREADY_PARSED_P (file) = 1;
837*c87b03e5Sespie
838*c87b03e5Sespie jcf_dependency_add_file (input_filename, 0);
839*c87b03e5Sespie
840*c87b03e5Sespie lang_init_source (1); /* Error msgs have no method prototypes */
841*c87b03e5Sespie
842*c87b03e5Sespie /* There's no point in trying to find the current encoding unless we
843*c87b03e5Sespie are going to do something intelligent with it -- hence the test
844*c87b03e5Sespie for iconv. */
845*c87b03e5Sespie #if defined (HAVE_LOCALE_H) && defined (HAVE_ICONV) && defined (HAVE_LANGINFO_CODESET)
846*c87b03e5Sespie setlocale (LC_CTYPE, "");
847*c87b03e5Sespie if (current_encoding == NULL)
848*c87b03e5Sespie current_encoding = nl_langinfo (CODESET);
849*c87b03e5Sespie #endif
850*c87b03e5Sespie if (current_encoding == NULL || *current_encoding == '\0')
851*c87b03e5Sespie current_encoding = DEFAULT_ENCODING;
852*c87b03e5Sespie
853*c87b03e5Sespie /* Initialize the parser */
854*c87b03e5Sespie java_init_lex (finput, current_encoding);
855*c87b03e5Sespie java_parse_abort_on_error ();
856*c87b03e5Sespie
857*c87b03e5Sespie java_parse (); /* Parse and build partial tree nodes. */
858*c87b03e5Sespie java_parse_abort_on_error ();
859*c87b03e5Sespie }
860*c87b03e5Sespie
861*c87b03e5Sespie /* Process a parsed source file, resolving names etc. */
862*c87b03e5Sespie
863*c87b03e5Sespie static void
parse_source_file_2()864*c87b03e5Sespie parse_source_file_2 ()
865*c87b03e5Sespie {
866*c87b03e5Sespie int save_error_count = java_error_count;
867*c87b03e5Sespie java_complete_class (); /* Parse unsatisfied class decl. */
868*c87b03e5Sespie java_parse_abort_on_error ();
869*c87b03e5Sespie }
870*c87b03e5Sespie
871*c87b03e5Sespie static void
parse_source_file_3()872*c87b03e5Sespie parse_source_file_3 ()
873*c87b03e5Sespie {
874*c87b03e5Sespie int save_error_count = java_error_count;
875*c87b03e5Sespie java_check_circular_reference (); /* Check on circular references */
876*c87b03e5Sespie java_parse_abort_on_error ();
877*c87b03e5Sespie java_fix_constructors (); /* Fix the constructors */
878*c87b03e5Sespie java_parse_abort_on_error ();
879*c87b03e5Sespie java_reorder_fields (); /* Reorder the fields */
880*c87b03e5Sespie }
881*c87b03e5Sespie
882*c87b03e5Sespie void
add_predefined_file(name)883*c87b03e5Sespie add_predefined_file (name)
884*c87b03e5Sespie tree name;
885*c87b03e5Sespie {
886*c87b03e5Sespie predef_filenames = tree_cons (NULL_TREE, name, predef_filenames);
887*c87b03e5Sespie }
888*c87b03e5Sespie
889*c87b03e5Sespie int
predefined_filename_p(node)890*c87b03e5Sespie predefined_filename_p (node)
891*c87b03e5Sespie tree node;
892*c87b03e5Sespie {
893*c87b03e5Sespie tree iter;
894*c87b03e5Sespie
895*c87b03e5Sespie for (iter = predef_filenames; iter != NULL_TREE; iter = TREE_CHAIN (iter))
896*c87b03e5Sespie {
897*c87b03e5Sespie if (TREE_VALUE (iter) == node)
898*c87b03e5Sespie return 1;
899*c87b03e5Sespie }
900*c87b03e5Sespie return 0;
901*c87b03e5Sespie }
902*c87b03e5Sespie
903*c87b03e5Sespie void
java_parse_file(set_yydebug)904*c87b03e5Sespie java_parse_file (set_yydebug)
905*c87b03e5Sespie int set_yydebug ATTRIBUTE_UNUSED;
906*c87b03e5Sespie {
907*c87b03e5Sespie int filename_count = 0;
908*c87b03e5Sespie char *list, *next;
909*c87b03e5Sespie tree node;
910*c87b03e5Sespie FILE *finput = NULL;
911*c87b03e5Sespie
912*c87b03e5Sespie if (flag_filelist_file)
913*c87b03e5Sespie {
914*c87b03e5Sespie int avail = 2000;
915*c87b03e5Sespie finput = fopen (input_filename, "r");
916*c87b03e5Sespie if (finput == NULL)
917*c87b03e5Sespie fatal_io_error ("can't open %s", input_filename);
918*c87b03e5Sespie list = xmalloc(avail);
919*c87b03e5Sespie next = list;
920*c87b03e5Sespie for (;;)
921*c87b03e5Sespie {
922*c87b03e5Sespie int count;
923*c87b03e5Sespie if (avail < 500)
924*c87b03e5Sespie {
925*c87b03e5Sespie count = next - list;
926*c87b03e5Sespie avail = 2 * (count + avail);
927*c87b03e5Sespie list = xrealloc (list, avail);
928*c87b03e5Sespie next = list + count;
929*c87b03e5Sespie avail = avail - count;
930*c87b03e5Sespie }
931*c87b03e5Sespie /* Subtract to to guarantee space for final '\0'. */
932*c87b03e5Sespie count = fread (next, 1, avail - 1, finput);
933*c87b03e5Sespie if (count == 0)
934*c87b03e5Sespie {
935*c87b03e5Sespie if (! feof (finput))
936*c87b03e5Sespie fatal_io_error ("error closing %s", input_filename);
937*c87b03e5Sespie *next = '\0';
938*c87b03e5Sespie break;
939*c87b03e5Sespie }
940*c87b03e5Sespie avail -= count;
941*c87b03e5Sespie next += count;
942*c87b03e5Sespie }
943*c87b03e5Sespie fclose (finput);
944*c87b03e5Sespie finput = NULL;
945*c87b03e5Sespie }
946*c87b03e5Sespie else
947*c87b03e5Sespie list = xstrdup (input_filename);
948*c87b03e5Sespie
949*c87b03e5Sespie do
950*c87b03e5Sespie {
951*c87b03e5Sespie for (next = list; ; )
952*c87b03e5Sespie {
953*c87b03e5Sespie char ch = *next;
954*c87b03e5Sespie if (ch == '\n' || ch == '\r' || ch == '\t' || ch == ' '
955*c87b03e5Sespie || ch == '&' /* FIXME */)
956*c87b03e5Sespie {
957*c87b03e5Sespie if (next == list)
958*c87b03e5Sespie {
959*c87b03e5Sespie next++;
960*c87b03e5Sespie list = next;
961*c87b03e5Sespie continue;
962*c87b03e5Sespie }
963*c87b03e5Sespie else
964*c87b03e5Sespie {
965*c87b03e5Sespie *next++ = '\0';
966*c87b03e5Sespie break;
967*c87b03e5Sespie }
968*c87b03e5Sespie }
969*c87b03e5Sespie if (ch == '\0')
970*c87b03e5Sespie {
971*c87b03e5Sespie next = NULL;
972*c87b03e5Sespie break;
973*c87b03e5Sespie }
974*c87b03e5Sespie next++;
975*c87b03e5Sespie }
976*c87b03e5Sespie
977*c87b03e5Sespie if (list[0])
978*c87b03e5Sespie {
979*c87b03e5Sespie char *value;
980*c87b03e5Sespie tree id;
981*c87b03e5Sespie int twice = 0;
982*c87b03e5Sespie
983*c87b03e5Sespie int len = strlen (list);
984*c87b03e5Sespie
985*c87b03e5Sespie obstack_grow0 (&temporary_obstack, list, len);
986*c87b03e5Sespie value = obstack_finish (&temporary_obstack);
987*c87b03e5Sespie
988*c87b03e5Sespie filename_count++;
989*c87b03e5Sespie
990*c87b03e5Sespie /* Exclude file that we see twice on the command line. For
991*c87b03e5Sespie all files except {Class,Error,Object,RuntimeException,String,
992*c87b03e5Sespie Throwable}.java we can rely on maybe_get_identifier. For
993*c87b03e5Sespie these files, we need to do a linear search of
994*c87b03e5Sespie current_file_list. This search happens only for these
995*c87b03e5Sespie files, presumably only when we're recompiling libgcj. */
996*c87b03e5Sespie
997*c87b03e5Sespie if ((id = maybe_get_identifier (value)))
998*c87b03e5Sespie {
999*c87b03e5Sespie if (predefined_filename_p (id))
1000*c87b03e5Sespie {
1001*c87b03e5Sespie tree c;
1002*c87b03e5Sespie for (c = current_file_list; c; c = TREE_CHAIN (c))
1003*c87b03e5Sespie if (TREE_VALUE (c) == id)
1004*c87b03e5Sespie twice = 1;
1005*c87b03e5Sespie }
1006*c87b03e5Sespie else
1007*c87b03e5Sespie twice = 1;
1008*c87b03e5Sespie }
1009*c87b03e5Sespie
1010*c87b03e5Sespie if (twice)
1011*c87b03e5Sespie {
1012*c87b03e5Sespie const char *saved_input_filename = input_filename;
1013*c87b03e5Sespie input_filename = value;
1014*c87b03e5Sespie warning ("source file seen twice on command line and will be compiled only once");
1015*c87b03e5Sespie input_filename = saved_input_filename;
1016*c87b03e5Sespie }
1017*c87b03e5Sespie else
1018*c87b03e5Sespie {
1019*c87b03e5Sespie BUILD_FILENAME_IDENTIFIER_NODE (node, value);
1020*c87b03e5Sespie IS_A_COMMAND_LINE_FILENAME_P (node) = 1;
1021*c87b03e5Sespie current_file_list = tree_cons (NULL_TREE, node,
1022*c87b03e5Sespie current_file_list);
1023*c87b03e5Sespie }
1024*c87b03e5Sespie }
1025*c87b03e5Sespie list = next;
1026*c87b03e5Sespie }
1027*c87b03e5Sespie while (next);
1028*c87b03e5Sespie
1029*c87b03e5Sespie if (filename_count == 0)
1030*c87b03e5Sespie warning ("no input file specified");
1031*c87b03e5Sespie
1032*c87b03e5Sespie if (resource_name)
1033*c87b03e5Sespie {
1034*c87b03e5Sespie const char *resource_filename;
1035*c87b03e5Sespie
1036*c87b03e5Sespie /* Only one resource file may be compiled at a time. */
1037*c87b03e5Sespie assert (TREE_CHAIN (current_file_list) == NULL);
1038*c87b03e5Sespie
1039*c87b03e5Sespie resource_filename = IDENTIFIER_POINTER (TREE_VALUE (current_file_list));
1040*c87b03e5Sespie compile_resource_file (resource_name, resource_filename);
1041*c87b03e5Sespie
1042*c87b03e5Sespie return;
1043*c87b03e5Sespie }
1044*c87b03e5Sespie
1045*c87b03e5Sespie current_jcf = main_jcf;
1046*c87b03e5Sespie current_file_list = nreverse (current_file_list);
1047*c87b03e5Sespie for (node = current_file_list; node; node = TREE_CHAIN (node))
1048*c87b03e5Sespie {
1049*c87b03e5Sespie unsigned char magic_string[4];
1050*c87b03e5Sespie uint32 magic = 0;
1051*c87b03e5Sespie tree name = TREE_VALUE (node);
1052*c87b03e5Sespie
1053*c87b03e5Sespie /* Skip already parsed files */
1054*c87b03e5Sespie if (HAS_BEEN_ALREADY_PARSED_P (name))
1055*c87b03e5Sespie continue;
1056*c87b03e5Sespie
1057*c87b03e5Sespie /* Close previous descriptor, if any */
1058*c87b03e5Sespie if (finput && fclose (finput))
1059*c87b03e5Sespie fatal_io_error ("can't close input file %s", main_input_filename);
1060*c87b03e5Sespie
1061*c87b03e5Sespie finput = fopen (IDENTIFIER_POINTER (name), "rb");
1062*c87b03e5Sespie if (finput == NULL)
1063*c87b03e5Sespie fatal_io_error ("can't open %s", IDENTIFIER_POINTER (name));
1064*c87b03e5Sespie
1065*c87b03e5Sespie #ifdef IO_BUFFER_SIZE
1066*c87b03e5Sespie setvbuf (finput, xmalloc (IO_BUFFER_SIZE),
1067*c87b03e5Sespie _IOFBF, IO_BUFFER_SIZE);
1068*c87b03e5Sespie #endif
1069*c87b03e5Sespie input_filename = IDENTIFIER_POINTER (name);
1070*c87b03e5Sespie
1071*c87b03e5Sespie /* Figure what kind of file we're dealing with */
1072*c87b03e5Sespie if (fread (magic_string, 1, 4, finput) == 4)
1073*c87b03e5Sespie {
1074*c87b03e5Sespie fseek (finput, 0L, SEEK_SET);
1075*c87b03e5Sespie magic = GET_u4 (magic_string);
1076*c87b03e5Sespie }
1077*c87b03e5Sespie if (magic == 0xcafebabe)
1078*c87b03e5Sespie {
1079*c87b03e5Sespie CLASS_FILE_P (node) = 1;
1080*c87b03e5Sespie current_jcf = ALLOC (sizeof (JCF));
1081*c87b03e5Sespie JCF_ZERO (current_jcf);
1082*c87b03e5Sespie current_jcf->read_state = finput;
1083*c87b03e5Sespie current_jcf->filbuf = jcf_filbuf_from_stdio;
1084*c87b03e5Sespie jcf_parse (current_jcf);
1085*c87b03e5Sespie TYPE_JCF (current_class) = current_jcf;
1086*c87b03e5Sespie CLASS_FROM_CURRENTLY_COMPILED_P (current_class) = 1;
1087*c87b03e5Sespie TREE_PURPOSE (node) = current_class;
1088*c87b03e5Sespie }
1089*c87b03e5Sespie else if (magic == (JCF_u4)ZIPMAGIC)
1090*c87b03e5Sespie {
1091*c87b03e5Sespie ZIP_FILE_P (node) = 1;
1092*c87b03e5Sespie JCF_ZERO (main_jcf);
1093*c87b03e5Sespie main_jcf->read_state = finput;
1094*c87b03e5Sespie main_jcf->filbuf = jcf_filbuf_from_stdio;
1095*c87b03e5Sespie if (open_in_zip (main_jcf, input_filename, NULL, 0) < 0)
1096*c87b03e5Sespie fatal_error ("bad zip/jar file %s", IDENTIFIER_POINTER (name));
1097*c87b03e5Sespie localToFile = SeenZipFiles;
1098*c87b03e5Sespie /* Register all the class defined there. */
1099*c87b03e5Sespie process_zip_dir (main_jcf->read_state);
1100*c87b03e5Sespie parse_zip_file_entries ();
1101*c87b03e5Sespie /*
1102*c87b03e5Sespie for (each entry)
1103*c87b03e5Sespie CLASS_FROM_CURRENTLY_COMPILED_P (current_class) = 1;
1104*c87b03e5Sespie */
1105*c87b03e5Sespie }
1106*c87b03e5Sespie else
1107*c87b03e5Sespie {
1108*c87b03e5Sespie JAVA_FILE_P (node) = 1;
1109*c87b03e5Sespie java_push_parser_context ();
1110*c87b03e5Sespie java_parser_context_save_global ();
1111*c87b03e5Sespie parse_source_file_1 (name, finput);
1112*c87b03e5Sespie java_parser_context_restore_global ();
1113*c87b03e5Sespie java_pop_parser_context (1);
1114*c87b03e5Sespie }
1115*c87b03e5Sespie }
1116*c87b03e5Sespie
1117*c87b03e5Sespie for (ctxp = ctxp_for_generation; ctxp; ctxp = ctxp->next)
1118*c87b03e5Sespie {
1119*c87b03e5Sespie input_filename = ctxp->filename;
1120*c87b03e5Sespie parse_source_file_2 ();
1121*c87b03e5Sespie }
1122*c87b03e5Sespie
1123*c87b03e5Sespie for (ctxp = ctxp_for_generation; ctxp; ctxp = ctxp->next)
1124*c87b03e5Sespie {
1125*c87b03e5Sespie input_filename = ctxp->filename;
1126*c87b03e5Sespie parse_source_file_3 ();
1127*c87b03e5Sespie }
1128*c87b03e5Sespie
1129*c87b03e5Sespie for (node = current_file_list; node; node = TREE_CHAIN (node))
1130*c87b03e5Sespie {
1131*c87b03e5Sespie input_filename = IDENTIFIER_POINTER (TREE_VALUE (node));
1132*c87b03e5Sespie if (CLASS_FILE_P (node))
1133*c87b03e5Sespie {
1134*c87b03e5Sespie current_class = TREE_PURPOSE (node);
1135*c87b03e5Sespie current_jcf = TYPE_JCF (current_class);
1136*c87b03e5Sespie layout_class (current_class);
1137*c87b03e5Sespie load_inner_classes (current_class);
1138*c87b03e5Sespie parse_class_file ();
1139*c87b03e5Sespie JCF_FINISH (current_jcf);
1140*c87b03e5Sespie }
1141*c87b03e5Sespie }
1142*c87b03e5Sespie input_filename = main_input_filename;
1143*c87b03e5Sespie
1144*c87b03e5Sespie java_expand_classes ();
1145*c87b03e5Sespie if (!java_report_errors () && !flag_syntax_only)
1146*c87b03e5Sespie {
1147*c87b03e5Sespie emit_register_classes ();
1148*c87b03e5Sespie if (flag_indirect_dispatch)
1149*c87b03e5Sespie emit_offset_symbol_table ();
1150*c87b03e5Sespie }
1151*c87b03e5Sespie }
1152*c87b03e5Sespie
1153*c87b03e5Sespie /* Process all class entries found in the zip file. */
1154*c87b03e5Sespie static void
parse_zip_file_entries(void)1155*c87b03e5Sespie parse_zip_file_entries (void)
1156*c87b03e5Sespie {
1157*c87b03e5Sespie struct ZipDirectory *zdir;
1158*c87b03e5Sespie int i;
1159*c87b03e5Sespie
1160*c87b03e5Sespie for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory;
1161*c87b03e5Sespie i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir))
1162*c87b03e5Sespie {
1163*c87b03e5Sespie tree class;
1164*c87b03e5Sespie
1165*c87b03e5Sespie /* We don't need to consider those files. */
1166*c87b03e5Sespie if (!zdir->size || !zdir->filename_offset)
1167*c87b03e5Sespie continue;
1168*c87b03e5Sespie
1169*c87b03e5Sespie class = lookup_class (get_identifier (ZIPDIR_FILENAME (zdir)));
1170*c87b03e5Sespie current_jcf = TYPE_JCF (class);
1171*c87b03e5Sespie current_class = class;
1172*c87b03e5Sespie
1173*c87b03e5Sespie if ( !CLASS_LOADED_P (class))
1174*c87b03e5Sespie {
1175*c87b03e5Sespie if (! CLASS_PARSED_P (class))
1176*c87b03e5Sespie {
1177*c87b03e5Sespie read_zip_member(current_jcf, zdir, localToFile);
1178*c87b03e5Sespie jcf_parse (current_jcf);
1179*c87b03e5Sespie }
1180*c87b03e5Sespie layout_class (current_class);
1181*c87b03e5Sespie load_inner_classes (current_class);
1182*c87b03e5Sespie }
1183*c87b03e5Sespie
1184*c87b03e5Sespie if (TYPE_SIZE (current_class) != error_mark_node)
1185*c87b03e5Sespie {
1186*c87b03e5Sespie input_filename = current_jcf->filename;
1187*c87b03e5Sespie parse_class_file ();
1188*c87b03e5Sespie FREE (current_jcf->buffer); /* No longer necessary */
1189*c87b03e5Sespie /* Note: there is a way to free this buffer right after a
1190*c87b03e5Sespie class seen in a zip file has been parsed. The idea is the
1191*c87b03e5Sespie set its jcf in such a way that buffer will be reallocated
1192*c87b03e5Sespie the time the code for the class will be generated. FIXME. */
1193*c87b03e5Sespie }
1194*c87b03e5Sespie }
1195*c87b03e5Sespie }
1196*c87b03e5Sespie
1197*c87b03e5Sespie /* Read all the entries of the zip file, creates a class and a JCF. Sets the
1198*c87b03e5Sespie jcf up for further processing and link it to the created class. */
1199*c87b03e5Sespie
1200*c87b03e5Sespie static void
process_zip_dir(FILE * finput)1201*c87b03e5Sespie process_zip_dir (FILE *finput)
1202*c87b03e5Sespie {
1203*c87b03e5Sespie int i;
1204*c87b03e5Sespie ZipDirectory *zdir;
1205*c87b03e5Sespie
1206*c87b03e5Sespie for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory;
1207*c87b03e5Sespie i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir))
1208*c87b03e5Sespie {
1209*c87b03e5Sespie char *class_name, *file_name, *class_name_in_zip_dir;
1210*c87b03e5Sespie tree class;
1211*c87b03e5Sespie JCF *jcf;
1212*c87b03e5Sespie int j;
1213*c87b03e5Sespie
1214*c87b03e5Sespie class_name_in_zip_dir = ZIPDIR_FILENAME (zdir);
1215*c87b03e5Sespie
1216*c87b03e5Sespie /* We choose to not to process entries with a zero size or entries
1217*c87b03e5Sespie not bearing the .class extension. */
1218*c87b03e5Sespie if (!zdir->size || !zdir->filename_offset ||
1219*c87b03e5Sespie strncmp (&class_name_in_zip_dir[zdir->filename_length-6],
1220*c87b03e5Sespie ".class", 6))
1221*c87b03e5Sespie {
1222*c87b03e5Sespie /* So it will be skipped in parse_zip_file_entries */
1223*c87b03e5Sespie zdir->size = 0;
1224*c87b03e5Sespie continue;
1225*c87b03e5Sespie }
1226*c87b03e5Sespie
1227*c87b03e5Sespie class_name = ALLOC (zdir->filename_length+1-6);
1228*c87b03e5Sespie file_name = ALLOC (zdir->filename_length+1);
1229*c87b03e5Sespie jcf = ALLOC (sizeof (JCF));
1230*c87b03e5Sespie JCF_ZERO (jcf);
1231*c87b03e5Sespie
1232*c87b03e5Sespie strncpy (class_name, class_name_in_zip_dir, zdir->filename_length-6);
1233*c87b03e5Sespie class_name [zdir->filename_length-6] = '\0';
1234*c87b03e5Sespie strncpy (file_name, class_name_in_zip_dir, zdir->filename_length);
1235*c87b03e5Sespie file_name [zdir->filename_length] = '\0';
1236*c87b03e5Sespie
1237*c87b03e5Sespie for (j=0; class_name[j]; j++)
1238*c87b03e5Sespie class_name [j] = (class_name [j] == '/' ? '.' : class_name [j]);
1239*c87b03e5Sespie
1240*c87b03e5Sespie /* Yes, we write back the true class name into the zip directory. */
1241*c87b03e5Sespie strcpy (class_name_in_zip_dir, class_name);
1242*c87b03e5Sespie zdir->filename_length = j;
1243*c87b03e5Sespie class = lookup_class (get_identifier (class_name));
1244*c87b03e5Sespie
1245*c87b03e5Sespie jcf->read_state = finput;
1246*c87b03e5Sespie jcf->filbuf = jcf_filbuf_from_stdio;
1247*c87b03e5Sespie jcf->java_source = 0;
1248*c87b03e5Sespie jcf->classname = class_name;
1249*c87b03e5Sespie jcf->filename = file_name;
1250*c87b03e5Sespie jcf->zipd = zdir;
1251*c87b03e5Sespie
1252*c87b03e5Sespie TYPE_JCF (class) = jcf;
1253*c87b03e5Sespie }
1254*c87b03e5Sespie }
1255*c87b03e5Sespie
1256*c87b03e5Sespie /* Initialization. */
1257*c87b03e5Sespie
1258*c87b03e5Sespie void
init_jcf_parse()1259*c87b03e5Sespie init_jcf_parse ()
1260*c87b03e5Sespie {
1261*c87b03e5Sespie /* Register roots with the garbage collector. */
1262*c87b03e5Sespie ggc_add_root (¤t_jcf, 1, sizeof (JCF), (void (*)(void *))ggc_mark_jcf);
1263*c87b03e5Sespie
1264*c87b03e5Sespie init_src_parse ();
1265*c87b03e5Sespie }
1266*c87b03e5Sespie
1267*c87b03e5Sespie #include "gt-java-jcf-parse.h"
1268