1 /* Program to write C++-suitable header files from a Java(TM) .class
2 file. This is similar to SUN's javah.
4 Copyright (C) 1996, 1998, 1999, 2000 Free Software Foundation, Inc.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU CC; see the file COPYING. If not, write to
18 the Free Software Foundation, 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA.
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. */
25 /* Written by Per Bothner <bothner@cygnus.com>, February 1996. */
34 #include "java-tree.h"
35 #include "java-opcodes.h"
41 /* The output file. */
44 /* Nonzero on failure. */
45 static int found_error = 0;
47 /* Nonzero if we're generating JNI output. */
48 static int flag_jni = 0;
50 /* Directory to place resulting files in. Set by -d option. */
51 const char *output_directory = "";
53 /* Directory to place temporary file. Set by -td option. Currently unused. */
54 const char *temp_directory = "/tmp";
56 /* Number of friend functions we have to declare. */
57 static int friend_count;
59 /* A class can optionally have a `friend' function declared. If
60 non-NULL, this is that function. */
61 static char **friend_specs = NULL;
63 /* Number of lines we are prepending before the class. */
64 static int prepend_count;
66 /* We can prepend extra lines before the class's start. */
67 static char **prepend_specs = NULL;
69 /* Number of lines we are appending at the end of the class. */
72 /* We can append extra lines just before the class's end. */
73 static char **add_specs = NULL;
75 /* Number of lines we are appending after the class. */
76 static int append_count;
78 /* We can append extra lines after the class's end. */
79 static char **append_specs = NULL;
85 struct JCF *current_jcf;
87 /* This holds access information for the last field we examined. They
88 let us generate "private:", "public:", and "protected:" properly.
89 If 0 then we haven't previously examined any field. */
90 static JCF_u2 last_access;
92 /* Pass this macro the flags for a class and for a method. It will
93 return true if the method should be considered `final'. */
94 #define METHOD_IS_FINAL(Class, Method) \
95 (((Class) & ACC_FINAL) || ((Method) & (ACC_FINAL | ACC_PRIVATE)))
97 /* Pass this macro the flags for a method. It will return true if the
99 #define METHOD_IS_NATIVE(Method) \
100 ((Method) & ACC_NATIVE)
102 /* We keep a linked list of all method names we have seen. This lets
103 us determine if a method name and a field name are in conflict. */
108 unsigned char *signature;
110 struct method_name *next;
113 /* List of method names we've seen. */
114 static struct method_name *method_name_list;
116 static void print_field_info PARAMS ((FILE*, JCF*, int, int, JCF_u2));
117 static void print_mangled_classname PARAMS ((FILE*, JCF*, const char*, int));
118 static int print_cxx_classname PARAMS ((FILE*, const char*, JCF*, int));
119 static void print_method_info PARAMS ((FILE*, JCF*, int, int, JCF_u2));
120 static void print_c_decl PARAMS ((FILE*, JCF*, int, int, int, const char *,
122 static void print_stub_or_jni PARAMS ((FILE*, JCF*, int, int, int,
124 static void print_full_cxx_name PARAMS ((FILE*, JCF*, int, int, int,
126 static void decompile_method PARAMS ((FILE*, JCF*, int));
127 static void add_class_decl PARAMS ((FILE*, JCF*, JCF_u2));
129 static int java_float_finite PARAMS ((jfloat));
130 static int java_double_finite PARAMS ((jdouble));
131 static void print_name PARAMS ((FILE *, JCF *, int));
132 static void print_base_classname PARAMS ((FILE *, JCF *, int));
133 static int utf8_cmp PARAMS ((const unsigned char *, int, const char *));
134 static const char *cxx_keyword_subst PARAMS ((const unsigned char *, int));
135 static void generate_access PARAMS ((FILE *, JCF_u2));
136 static int name_is_method_p PARAMS ((const unsigned char *, int));
137 static char *get_field_name PARAMS ((JCF *, int, JCF_u2));
138 static void print_field_name PARAMS ((FILE *, JCF *, int, JCF_u2));
139 static const unsigned char *super_class_name PARAMS ((JCF *, int *));
140 static void print_include PARAMS ((FILE *, const unsigned char *, int));
141 static const unsigned char *decode_signature_piece
142 PARAMS ((FILE *, const unsigned char *, const unsigned char *, int *));
143 static void print_class_decls PARAMS ((FILE *, JCF *, int));
144 static void usage PARAMS ((void)) ATTRIBUTE_NORETURN;
145 static void help PARAMS ((void)) ATTRIBUTE_NORETURN;
146 static void version PARAMS ((void)) ATTRIBUTE_NORETURN;
147 static int overloaded_jni_method_exists_p PARAMS ((const unsigned char *, int,
150 JCF_u2 current_field_name;
151 JCF_u2 current_field_value;
152 JCF_u2 current_field_signature;
153 JCF_u2 current_field_flags;
155 #define HANDLE_START_FIELD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \
156 ( current_field_name = (NAME), current_field_signature = (SIGNATURE), \
157 current_field_flags = (ACCESS_FLAGS), current_field_value = 0)
159 /* We pass over fields twice. The first time we just note the types
160 of the fields and then the start of the methods. Then we go back
161 and parse the fields for real. This is ugly. */
162 static int field_pass;
163 /* Likewise we pass over methods twice. The first time we generate
164 class decl information; the second time we generate actual method
166 static int method_pass;
168 #define HANDLE_END_FIELD() \
171 if (out && ! stubs && ! flag_jni) \
172 print_field_info (out, jcf, current_field_name, \
173 current_field_signature, \
174 current_field_flags); \
176 else if (! stubs && ! flag_jni) \
177 add_class_decl (out, jcf, current_field_signature);
179 #define HANDLE_CONSTANTVALUE(VALUEINDEX) current_field_value = (VALUEINDEX)
181 static int method_declared = 0;
182 static int method_access = 0;
183 static int method_printed = 0;
184 #define HANDLE_METHOD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \
187 decompiled = 0; method_printed = 0; \
189 print_method_info (out, jcf, NAME, SIGNATURE, ACCESS_FLAGS); \
192 print_method_info (NULL, jcf, NAME, SIGNATURE, ACCESS_FLAGS); \
193 else if (! stubs) add_class_decl (out, jcf, SIGNATURE);
195 #define HANDLE_CODE_ATTRIBUTE(MAX_STACK, MAX_LOCALS, CODE_LENGTH) \
196 if (out && method_declared) decompile_method (out, jcf, CODE_LENGTH);
198 static int decompiled = 0;
199 #define HANDLE_END_METHOD() \
200 if (out && method_printed) fputs (decompiled || stubs ? "\n" : ";\n", out);
202 #include "jcf-reader.c"
204 /* Some useful constants. */
205 #define F_NAN_MASK 0x7f800000
206 #if (1 == HOST_FLOAT_WORDS_BIG_ENDIAN)
207 #define D_NAN_MASK 0x000000007ff00000LL
209 #define D_NAN_MASK 0x7ff0000000000000LL
212 /* Return 1 if F is not Inf or NaN. */
214 java_float_finite (f)
220 /* We happen to know that F_NAN_MASK will match all NaN values, and
221 also positive and negative infinity. That's why we only need one
222 test here. See The Java Language Specification, section 20.9. */
223 return (u.i & F_NAN_MASK) != F_NAN_MASK;
226 /* Return 1 if D is not Inf or NaN. */
228 java_double_finite (d)
234 /* Now check for all NaNs. */
235 return (u.l & D_NAN_MASK) != D_NAN_MASK;
238 /* Print a character, appropriately mangled for JNI. */
241 jni_print_char (stream, ch)
246 jcf_print_char (stream, ch);
247 else if (ch == '(' || ch == ')')
252 fputs ("_1", stream);
254 fputs ("_2", stream);
256 fputs ("_3", stream);
259 else if ((ch >= '0' && ch <= '9')
260 || (ch >= 'a' && ch <= 'z')
261 || (ch >= 'A' && ch <= 'Z'))
265 /* "Unicode" character. */
266 fprintf (stream, "_0%04x", ch);
270 /* Print a name from the class data. If the index does not point to a
271 string, an error results. */
274 DEFUN(print_name, (stream, jcf, name_index),
275 FILE* stream AND JCF* jcf AND int name_index)
277 if (JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8)
279 fprintf (stream, "<not a UTF8 constant>");
283 jcf_print_utf8 (stream, JPOOL_UTF_DATA (jcf, name_index),
284 JPOOL_UTF_LENGTH (jcf, name_index));
287 /* For JNI we must correctly quote each character. */
288 const unsigned char *str = JPOOL_UTF_DATA (jcf, name_index);
289 int length = JPOOL_UTF_LENGTH (jcf, name_index);
290 const unsigned char *limit = str + length;
293 int ch = UTF8_GET (str, limit);
296 fprintf (stream, "\\<invalid>");
299 jni_print_char (stream, ch);
304 /* Print base name of class. The base name is everything after the
308 print_base_classname (stream, jcf, index)
313 int name_index = JPOOL_USHORT1 (jcf, index);
315 const unsigned char *s, *p, *limit;
317 s = JPOOL_UTF_DATA (jcf, name_index);
318 len = JPOOL_UTF_LENGTH (jcf, name_index);
323 int c = UTF8_GET (s, limit);
330 int ch = UTF8_GET (p, limit);
332 fputs ("::", stream);
334 jcf_print_char (stream, ch);
338 /* Return 0 if NAME is equal to STR, nonzero otherwise. */
341 utf8_cmp (str, length, name)
342 const unsigned char *str;
346 const unsigned char *limit = str + length;
349 for (i = 0; name[i]; ++i)
351 int ch = UTF8_GET (str, limit);
359 /* If NAME is the name of a C++ keyword, then return an override name.
360 This is a name that can be used in place of the keyword.
361 Otherwise, return NULL. FIXME: for now, we only handle those
362 keywords we know to be a problem for libgcj. */
365 cxx_keyword_subst (str, length)
366 const unsigned char *str;
369 if (! utf8_cmp (str, length, "delete"))
370 return "__dummy_delete";
371 else if (! utf8_cmp (str, length, "enum"))
372 return "__dummy_enum";
376 /* Generate an access control keyword based on FLAGS. */
379 generate_access (stream, flags)
383 if ((flags & ACC_VISIBILITY) == last_access)
385 last_access = (flags & ACC_VISIBILITY);
390 fputs ("public: // actually package-private\n", stream);
393 fputs ("public:\n", stream);
396 fputs ("private:\n", stream);
399 fputs ("public: // actually protected\n", stream);
403 fprintf (stream, "#error unrecognized visibility %d\n",
404 (flags & ACC_VISIBILITY));
409 /* See if NAME is already the name of a method. */
411 name_is_method_p (name, length)
412 const unsigned char *name;
415 struct method_name *p;
417 for (p = method_name_list; p != NULL; p = p->next)
419 if (p->length == length && ! memcmp (p->name, name, length))
425 /* If there is already a method named NAME, whose signature is not
426 SIGNATURE, then return true. Otherwise return false. */
428 overloaded_jni_method_exists_p (name, length, signature, sig_length)
429 const unsigned char *name;
431 const char *signature;
434 struct method_name *p;
436 for (p = method_name_list; p != NULL; p = p->next)
438 if (p->length == length
439 && ! memcmp (p->name, name, length)
440 && (p->sig_length != sig_length
441 || memcmp (p->signature, signature, sig_length)))
447 /* Get name of a field. This handles renamings due to C++ clash. */
449 get_field_name (jcf, name_index, flags)
454 unsigned char *name = JPOOL_UTF_DATA (jcf, name_index);
455 int length = JPOOL_UTF_LENGTH (jcf, name_index);
457 const char *tmpconstptr;
460 if (name_is_method_p (name, length))
462 /* This field name matches a method. So override the name with
463 a dummy name. This is yucky, but it isn't clear what else to
464 do. FIXME: if the field is static, then we'll be in real
466 if ((flags & ACC_STATIC))
468 fprintf (stderr, "static field has same name as method\n");
473 override = xmalloc (length + 3);
474 memcpy (override, name, length);
475 strcpy (override + length, "__");
477 else if ((tmpconstptr = cxx_keyword_subst (name, length)) != NULL)
479 /* Must malloc OVERRIDE. */
480 override = xstrdup (tmpconstptr);
488 /* Print a field name. Convenience function for use with
491 print_field_name (stream, jcf, name_index, flags)
497 char *override = get_field_name (jcf, name_index, flags);
501 fputs (override, stream);
505 jcf_print_utf8 (stream, JPOOL_UTF_DATA (jcf, name_index),
506 JPOOL_UTF_LENGTH (jcf, name_index));
510 DEFUN(print_field_info, (stream, jcf, name_index, sig_index, flags),
511 FILE *stream AND JCF* jcf
512 AND int name_index AND int sig_index AND JCF_u2 flags)
514 char *override = NULL;
516 generate_access (stream, flags);
517 if (JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8)
519 fprintf (stream, "<not a UTF8 constant>");
525 if ((flags & ACC_STATIC))
526 fputs ("static ", out);
528 if ((flags & ACC_FINAL))
530 if (current_field_value > 0)
535 switch (JPOOL_TAG (jcf, current_field_value))
537 case CONSTANT_Integer:
540 int most_negative = 0;
541 fputs ("const jint ", out);
542 print_field_name (out, jcf, name_index, 0);
544 num = JPOOL_INT (jcf, current_field_value);
545 /* We single out the most negative number to print
546 specially. This avoids later warnings from g++. */
547 if (num == (jint) 0x80000000)
552 format_int (buffer, (jlong) num, 10);
553 fprintf (out, "%sL%s;\n", buffer, most_negative ? " - 1" : "");
559 int most_negative = 0;
560 fputs ("const jlong ", out);
561 print_field_name (out, jcf, name_index, 0);
563 num = JPOOL_LONG (jcf, current_field_value);
564 /* We single out the most negative number to print
565 specially.. This avoids later warnings from g++. */
566 if (num == (jlong) 0x8000000000000000LL)
571 format_int (buffer, num, 10);
572 fprintf (out, "%sLL%s;\n", buffer, most_negative ? " - 1" :"");
577 jfloat fnum = JPOOL_FLOAT (jcf, current_field_value);
578 fputs ("const jfloat ", out);
579 print_field_name (out, jcf, name_index, 0);
580 if (! java_float_finite (fnum))
583 fprintf (out, " = %.10g;\n", fnum);
586 case CONSTANT_Double:
588 jdouble dnum = JPOOL_DOUBLE (jcf, current_field_value);
589 fputs ("const jdouble ", out);
590 print_field_name (out, jcf, name_index, 0);
591 if (! java_double_finite (dnum))
594 fprintf (out, " = %.17g;\n", dnum);
598 /* We can't print this as a constant, but we can still
599 print something sensible. */
609 override = get_field_name (jcf, name_index, flags);
610 print_c_decl (out, jcf, name_index, sig_index, 0, override, flags);
618 DEFUN(print_method_info, (stream, jcf, name_index, sig_index, flags),
619 FILE *stream AND JCF* jcf
620 AND int name_index AND int sig_index AND JCF_u2 flags)
622 const unsigned char *str;
623 int length, is_init = 0;
624 const char *override = NULL;
627 method_access = flags;
628 if (stream && JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8)
629 fprintf (stream, "<not a UTF8 constant>");
630 str = JPOOL_UTF_DATA (jcf, name_index);
631 length = JPOOL_UTF_LENGTH (jcf, name_index);
632 if (str[0] == '<' || str[0] == '$')
634 /* Ignore internally generated methods like <clinit> and
635 $finit$. However, treat <init> as a constructor. */
636 if (! utf8_cmp (str, length, "<init>"))
638 else if (! METHOD_IS_FINAL (jcf->access_flags, flags)
639 && ! (flags & ACC_STATIC))
641 /* FIXME: i18n bug here. Order of prints should not be
643 fprintf (stderr, "ignored method `");
644 jcf_print_utf8 (stderr, str, length);
645 fprintf (stderr, "' marked virtual\n");
654 struct method_name *nn;
656 nn = (struct method_name *) xmalloc (sizeof (struct method_name));
657 nn->name = (char *) xmalloc (length);
658 memcpy (nn->name, str, length);
660 nn->next = method_name_list;
661 nn->sig_length = JPOOL_UTF_LENGTH (jcf, sig_index);
662 nn->signature = (char *) xmalloc (nn->sig_length);
663 memcpy (nn->signature, JPOOL_UTF_DATA (jcf, sig_index),
665 method_name_list = nn;
668 /* If we're not printing, then the rest of this function doesn't
669 matter. This happens during the first method pass in JNI mode.
674 /* We don't worry about overrides in JNI mode. */
677 /* We can't generate a method whose name is a C++ reserved word.
678 We can't just ignore the function, because that will cause
679 incorrect code to be generated if the function is virtual
680 (not only for calls to this function for for other functions
681 after it in the vtbl). So we give it a dummy name instead. */
682 override = cxx_keyword_subst (str, length);
685 /* If the method is static or final, we can safely skip it.
686 If we don't skip it then we'll have problems since the
687 mangling will be wrong. FIXME. */
688 if (METHOD_IS_FINAL (jcf->access_flags, flags)
689 || (flags & ACC_STATIC))
694 if (! stubs && ! flag_jni)
698 generate_access (stream, flags);
701 if ((flags & ACC_STATIC))
702 fputs ("static ", out);
703 else if (! METHOD_IS_FINAL (jcf->access_flags, flags))
705 /* Don't print `virtual' if we have a constructor. */
707 fputs ("virtual ", out);
709 print_c_decl (out, jcf, name_index, sig_index, is_init, override, flags);
711 if ((flags & ACC_ABSTRACT))
718 if (METHOD_IS_NATIVE (flags))
721 print_stub_or_jni (out, jcf, name_index, sig_index,
722 is_init, override, flags);
727 /* Try to decompile a method body. Right now we just try to handle a
728 simple case that we can do. Expand as desired. */
730 decompile_method (out, jcf, code_len)
735 const unsigned char *codes = jcf->read_ptr;
737 uint16 name_and_type, name;
739 /* If the method is synchronized, don't touch it. */
740 if ((method_access & ACC_SYNCHRONIZED))
744 && codes[0] == OPCODE_aload_0
745 && codes[1] == OPCODE_getfield
746 && (codes[4] == OPCODE_areturn
747 || codes[4] == OPCODE_dreturn
748 || codes[4] == OPCODE_freturn
749 || codes[4] == OPCODE_ireturn
750 || codes[4] == OPCODE_lreturn))
752 /* Found code like `return FIELD'. */
753 fputs (" { return ", out);
754 index = (codes[2] << 8) | codes[3];
755 /* FIXME: ensure that tag is CONSTANT_Fieldref. */
756 /* FIXME: ensure that the field's class is this class. */
757 name_and_type = JPOOL_USHORT2 (jcf, index);
758 /* FIXME: ensure that tag is CONSTANT_NameAndType. */
759 name = JPOOL_USHORT1 (jcf, name_and_type);
760 print_name (out, jcf, name);
764 else if (code_len == 2
765 && codes[0] == OPCODE_aload_0
766 && codes[1] == OPCODE_areturn)
768 /* Found `return this'. */
769 fputs (" { return this; }", out);
772 else if (code_len == 1 && codes[0] == OPCODE_return)
774 /* Found plain `return'. */
778 else if (code_len == 2
779 && codes[0] == OPCODE_aconst_null
780 && codes[1] == OPCODE_areturn)
782 /* Found `return null'. We don't want to depend on NULL being
784 fputs (" { return 0; }", out);
789 /* Print one piece of a signature. Returns pointer to next parseable
790 character on success, NULL on error. */
791 static const unsigned char *
792 decode_signature_piece (stream, signature, limit, need_space)
794 const unsigned char *signature, *limit;
800 switch (signature[0])
803 /* More spaghetti. */
806 for (signature++; (signature < limit
808 && *signature <= '9'); signature++)
813 ctype = "jbyteArray";
816 ctype = "jcharArray";
819 ctype = "jdoubleArray";
822 ctype = "jfloatArray";
828 ctype = "jshortArray";
831 ctype = "jlongArray";
834 ctype = "jbooleanArray";
837 /* We have a nested array. */
840 fputs ("JArray<", stream);
844 /* We have to generate a reference to JArray here, so that
845 our output matches what the compiler does. */
847 /* Space between `<' and `:' to avoid C++ digraphs. */
849 fputs ("JArray< ::", stream);
850 while (signature < limit && *signature != ';')
852 int ch = UTF8_GET (signature, limit);
856 fputs ("::", stream);
858 jcf_print_char (stream, ch);
862 fputs (" *> *", stream);
867 /* Unparseable signature. */
871 /* If the previous iterations left us with something to print,
872 print it. For JNI, we always print `jobjectArray' in the
874 if (flag_jni && ctype == NULL)
876 ctype = "jobjectArray";
879 /* The `printit' case will advance SIGNATURE for us. If we
880 don't go there, we must advance past the `;' ourselves. */
888 /* This shouldn't happen. */
891 case 'B': ctype = "jbyte"; goto printit;
892 case 'C': ctype = "jchar"; goto printit;
893 case 'D': ctype = "jdouble"; goto printit;
894 case 'F': ctype = "jfloat"; goto printit;
895 case 'I': ctype = "jint"; goto printit;
896 case 'J': ctype = "jlong"; goto printit;
897 case 'S': ctype = "jshort"; goto printit;
898 case 'Z': ctype = "jboolean"; goto printit;
899 case 'V': ctype = "void"; goto printit;
903 /* We know about certain types and special-case their
905 FIXME: something like java.lang.Exception should be
906 printed as `jthrowable', because it is a subclass. This
907 means that gcjh must read the entire hierarchy and
909 if (! strncmp (signature, "Ljava/lang/String;",
910 sizeof ("Ljava/lang/String;") -1))
912 else if (! strncmp (signature, "Ljava/lang/Class;",
913 sizeof ("Ljava/lang/Class;") - 1))
915 else if (! strncmp (signature, "Ljava/lang/Throwable;",
916 sizeof ("Ljava/lang/Throwable;") - 1))
917 ctype = "jthrowable";
918 else if (! strncmp (signature, "Ljava/lang/ref/WeakReference;",
919 sizeof ("Ljava/lang/ref/WeakReference;") - 1))
924 while (*signature && *signature != ';')
929 /* Print a leading "::" so we look in the right namespace. */
930 fputs ("::", stream);
932 while (*signature && *signature != ';')
934 int ch = UTF8_GET (signature, limit);
935 /* `$' is the separator for an inner class. */
936 if (ch == '/' || ch == '$')
937 fputs ("::", stream);
939 jcf_print_char (stream, ch);
941 fputs (" *", stream);
942 if (*signature == ';')
948 jni_print_char (stream, *signature++);
953 fputs (ctype, stream);
959 while (array_depth-- > 0)
960 fputs ("> *", stream);
967 DEFUN(print_c_decl, (stream, jcf, name_index, signature_index, is_init,
968 name_override, flags),
969 FILE* stream AND JCF* jcf
970 AND int name_index AND int signature_index
971 AND int is_init AND const char *name_override AND int flags)
973 if (JPOOL_TAG (jcf, signature_index) != CONSTANT_Utf8)
975 fprintf (stream, "<not a UTF8 constant>");
980 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
981 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
982 register const unsigned char *str = str0;
983 const unsigned char *limit = str + length;
985 int is_method = str[0] == '(';
986 const unsigned char *next;
988 /* If printing a method, skip to the return signature and print
989 that first. However, there is no return value if this is a
991 if (is_method && ! is_init)
1001 /* If printing a field or an ordinary method, then print the
1002 "return value" now. */
1003 if (! is_method || ! is_init)
1005 next = decode_signature_piece (stream, str, limit, &need_space);
1008 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1014 /* Now print the name of the thing. */
1016 fputs (" ", stream);
1017 print_full_cxx_name (stream, jcf, name_index,
1018 signature_index, is_init, name_override,
1023 /* Print the unqualified method name followed by the signature. */
1025 DEFUN(print_full_cxx_name, (stream, jcf, name_index, signature_index,
1026 is_init, name_override, flags),
1027 FILE* stream AND JCF* jcf
1028 AND int name_index AND int signature_index AND int is_init
1029 AND const char *name_override AND int flags)
1031 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1032 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1033 register const unsigned char *str = str0;
1034 const unsigned char *limit = str + length;
1036 int is_method = str[0] == '(';
1037 const unsigned char *next;
1040 fputs (name_override, stream);
1041 else if (name_index)
1043 /* Declare constructors specially. */
1045 print_base_classname (stream, jcf, jcf->this_class);
1047 print_name (stream, jcf, name_index);
1052 unsigned char *signature = JPOOL_UTF_DATA (jcf, signature_index);
1053 int sig_len = JPOOL_UTF_LENGTH (jcf, signature_index);
1054 if (overloaded_jni_method_exists_p (JPOOL_UTF_DATA (jcf, name_index),
1055 JPOOL_UTF_LENGTH (jcf, name_index),
1056 signature, sig_len))
1058 /* If this method is overloaded by another native method,
1059 then include the argument information in the mangled
1061 unsigned char *limit = signature + sig_len;
1062 fputs ("__", stream);
1063 while (signature < limit)
1065 int ch = UTF8_GET (signature, limit);
1066 jni_print_char (stream, ch);
1078 /* Have a method or a constructor. Print signature pieces
1080 fputs (" (", stream);
1084 /* In JNI mode, add extra arguments. */
1087 /* FIXME: it would be nice to know if we are printing a decl
1088 or a definition, and only print `env' for the latter. */
1089 fputs ("JNIEnv *env", stream);
1091 fputs ((flags & ACC_STATIC) ? ", jclass" : ", jobject", stream);
1094 fputs (", ", stream);
1097 while (str < limit && *str != ')')
1099 next = decode_signature_piece (stream, str, limit, &need_space);
1102 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1107 if (next < limit && *next != ')')
1108 fputs (", ", stream);
1112 fputs (")", stream);
1116 /* This is a helper for print_stub_or_jni. */
1118 DEFUN (print_name_for_stub_or_jni, (stream, jcf, name_index, signature_index,
1119 is_init, name_override, flags),
1120 FILE *stream AND JCF *jcf
1121 AND int name_index AND int signature_index
1122 AND int is_init AND const char *name_override AND int flags)
1124 const char *const prefix = flag_jni ? "Java_" : "\n";
1125 print_cxx_classname (stream, prefix, jcf, jcf->this_class);
1126 fputs (flag_jni ? "_" : "::", stream);
1127 print_full_cxx_name (stream, jcf, name_index,
1128 signature_index, is_init, name_override,
1133 DEFUN(print_stub_or_jni, (stream, jcf, name_index, signature_index, is_init,
1134 name_override, flags),
1135 FILE* stream AND JCF* jcf
1136 AND int name_index AND int signature_index
1137 AND int is_init AND const char *name_override AND int flags)
1139 if (JPOOL_TAG (jcf, signature_index) != CONSTANT_Utf8)
1141 fprintf (stream, "<not a UTF8 constant>");
1146 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1147 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1148 register const unsigned char *str = str0;
1149 const unsigned char *limit = str + length;
1151 int is_method = str[0] == '(';
1152 const unsigned char *next;
1154 /* Don't print fields in the JNI case. */
1155 if (! is_method && flag_jni)
1158 if (flag_jni && ! stubs)
1159 fputs ("extern ", stream);
1161 /* If printing a method, skip to the return signature and print
1162 that first. However, there is no return value if this is a
1164 if (is_method && ! is_init)
1174 /* If printing a field or an ordinary method, then print the
1175 "return value" now. Note that a constructor can't be native,
1176 so we don't bother checking this in the JNI case. */
1177 if (! is_method || ! is_init)
1179 next = decode_signature_piece (stream, str, limit, &need_space);
1182 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1188 /* When printing a JNI header we need to respect the space. In
1189 other cases we're just going to insert a newline anyway. */
1191 fputs (need_space && ! stubs ? " " : "\n", stream);
1193 /* Now print the name of the thing. */
1194 print_name_for_stub_or_jni (stream, jcf, name_index,
1195 signature_index, is_init, name_override,
1198 /* Print the body. */
1202 fputs ("\n{\n (*env)->FatalError (\"", stream);
1204 fputs ("\n{\n JvFail (\"", stream);
1205 print_name_for_stub_or_jni (stream, jcf, name_index,
1206 signature_index, is_init,
1209 fputs (" not implemented\");\n}\n\n", stream);
1215 DEFUN(print_mangled_classname, (stream, jcf, prefix, index),
1216 FILE *stream AND JCF *jcf AND const char *prefix AND int index)
1218 int name_index = JPOOL_USHORT1 (jcf, index);
1219 fputs (prefix, stream);
1220 jcf_print_utf8_replace (out,
1221 JPOOL_UTF_DATA (jcf, name_index),
1222 JPOOL_UTF_LENGTH (jcf, name_index),
1226 /* Print PREFIX, then a class name in C++ format. If the name refers
1227 to an array, ignore it and don't print PREFIX. Returns 1 if
1228 something was printed, 0 otherwise. */
1230 print_cxx_classname (stream, prefix, jcf, index)
1236 int name_index = JPOOL_USHORT1 (jcf, index);
1238 const unsigned char *s, *p, *limit;
1240 s = JPOOL_UTF_DATA (jcf, name_index);
1241 len = JPOOL_UTF_LENGTH (jcf, name_index);
1244 /* Explicitly omit arrays here. */
1246 c = UTF8_GET (p, limit);
1250 fputs (prefix, stream);
1252 /* Print a leading "::" so we look in the right namespace. */
1254 fputs ("::", stream);
1258 c = UTF8_GET (s, limit);
1260 fputs (flag_jni ? "_" : "::", stream);
1262 jni_print_char (stream, c);
1268 int written_class_count = 0;
1270 /* Return name of superclass. If LEN is not NULL, fill it with length
1272 static const unsigned char *
1273 super_class_name (derived_jcf, len)
1277 int supername_index = JPOOL_USHORT1 (derived_jcf, derived_jcf->super_class);
1278 int supername_length = JPOOL_UTF_LENGTH (derived_jcf, supername_index);
1279 const unsigned char *supername =
1280 JPOOL_UTF_DATA (derived_jcf, supername_index);
1283 *len = supername_length;
1290 /* We keep track of all the `#include's we generate, so we can avoid
1295 struct include *next;
1298 /* List of all includes. */
1299 static struct include *all_includes = NULL;
1301 /* Generate a #include. */
1303 print_include (out, utf8, len)
1305 const unsigned char *utf8;
1308 struct include *incl;
1314 len = strlen (utf8);
1316 for (incl = all_includes; incl; incl = incl->next)
1318 /* We check the length because we might have a proper prefix. */
1319 if (len == (int) strlen (incl->name)
1320 && ! strncmp (incl->name, utf8, len))
1324 incl = (struct include *) xmalloc (sizeof (struct include));
1325 incl->name = xmalloc (len + 1);
1326 strncpy (incl->name, utf8, len);
1327 incl->name[len] = '\0';
1328 incl->next = all_includes;
1329 all_includes = incl;
1331 fputs ("#include <", out);
1332 jcf_print_utf8_replace (out, utf8, len,
1334 flag_jni ? '_' : '/');
1335 fputs (".h>\n", out);
1340 /* This is used to represent part of a package or class name. */
1343 /* The text of this part of the name. */
1345 /* True if this represents a class. */
1347 /* Linked list of all classes and packages inside this one. */
1348 struct namelet *subnamelets;
1349 /* Pointer to next sibling. */
1350 struct namelet *next;
1353 static void add_namelet PARAMS ((const unsigned char *,
1354 const unsigned char *, struct namelet *));
1355 static void print_namelet PARAMS ((FILE *, struct namelet *, int));
1357 /* The special root namelet. */
1358 static struct namelet root =
1366 /* This extracts the next name segment from the full UTF-8 encoded
1367 package or class name and links it into the tree. It does this
1370 add_namelet (name, name_limit, parent)
1371 const unsigned char *name, *name_limit;
1372 struct namelet *parent;
1374 const unsigned char *p;
1375 struct namelet *n = NULL, *np;
1377 /* We want to skip the standard namespaces that we assume the
1378 runtime already knows about. We only do this at the top level,
1379 though, hence the check for `root'. */
1380 if (parent == &root)
1382 #define JAVALANG "java/lang/"
1383 #define JAVAIO "java/io/"
1384 #define JAVAUTIL "java/util/"
1385 if ((name_limit - name >= (int) sizeof (JAVALANG) - 1
1386 && ! strncmp (name, JAVALANG, sizeof (JAVALANG) - 1))
1387 || (name_limit - name >= (int) sizeof (JAVAUTIL) - 1
1388 && ! strncmp (name, JAVAUTIL, sizeof (JAVAUTIL) - 1))
1389 || (name_limit - name >= (int) sizeof (JAVAIO) - 1
1390 && ! strncmp (name, JAVAIO, sizeof (JAVAIO) - 1)))
1394 for (p = name; p < name_limit && *p != '/' && *p != '$'; ++p)
1397 /* Search for this name beneath the PARENT node. */
1398 for (np = parent->subnamelets; np != NULL; np = np->next)
1400 /* We check the length because we might have a proper prefix. */
1401 if ((int) strlen (np->name) == p - name &&
1402 ! strncmp (name, np->name, p - name))
1411 n = (struct namelet *) xmalloc (sizeof (struct namelet));
1412 n->name = xmalloc (p - name + 1);
1413 strncpy (n->name, name, p - name);
1414 n->name[p - name] = '\0';
1415 n->is_class = (p == name_limit || *p == '$');
1416 n->subnamelets = NULL;
1417 n->next = parent->subnamelets;
1418 parent->subnamelets = n;
1421 /* We recurse if there is more text, and if the trailing piece does
1422 not represent an inner class. */
1423 if (p < name_limit && *p != '$')
1424 add_namelet (p + 1, name_limit, n);
1427 /* Print a single namelet. Destroys namelets while printing. */
1429 print_namelet (out, name, depth)
1431 struct namelet *name;
1439 for (i = 0; i < depth; ++i)
1441 fprintf (out, "%s %s", name->is_class ? "class" : "namespace",
1443 if (name->is_class && name->subnamelets == NULL)
1449 for (i = 0; i < depth; ++i)
1455 c = name->subnamelets;
1458 struct namelet *next = c->next;
1459 print_namelet (out, c, depth + 2);
1467 for (i = 0; i < depth; ++i)
1470 /* Only print a `;' when printing a class. C++ is evil. */
1480 /* This is called to add some classes to the list of classes for which
1481 we need decls. The signature argument can be a function
1484 add_class_decl (out, jcf, signature)
1489 const unsigned char *s = JPOOL_UTF_DATA (jcf, signature);
1490 int len = JPOOL_UTF_LENGTH (jcf, signature);
1492 /* Name of class we are processing. */
1493 int name_index = JPOOL_USHORT1 (jcf, jcf->this_class);
1494 int tlen = JPOOL_UTF_LENGTH (jcf, name_index);
1495 const char *tname = JPOOL_UTF_DATA (jcf, name_index);
1497 for (i = 0; i < len; ++i)
1499 int start, saw_dollar;
1501 /* If we see an array, then we include the array header. */
1504 print_include (out, "gcj/array", -1);
1508 /* We're looking for `L<stuff>;' -- everything else is
1514 for (start = ++i; i < len && s[i] != ';'; ++i)
1516 if (! saw_dollar && s[i] == '$' && out)
1519 /* If this class represents an inner class, then
1520 generate a `#include' for the outer class. However,
1521 don't generate the include if the outer class is the
1522 class we are processing. */
1523 if (i - start < tlen || strncmp (&s[start], tname, i - start))
1524 print_include (out, &s[start], i - start);
1529 /* If we saw an inner class, then the generated #include will
1530 declare the class. So in this case we needn't bother. */
1532 add_namelet (&s[start], &s[i], &root);
1536 /* Print declarations for all classes required by this class. Any
1537 class or package in the `java' package is assumed to be handled
1538 statically in libjava; we don't generate declarations for these.
1539 This makes the generated headers a bit easier to read. */
1541 print_class_decls (out, jcf, self)
1546 /* Make sure to always add the current class to the list of things
1547 that should be declared. */
1548 int name_index = JPOOL_USHORT1 (jcf, self);
1550 const unsigned char *s;
1552 s = JPOOL_UTF_DATA (jcf, name_index);
1553 len = JPOOL_UTF_LENGTH (jcf, name_index);
1554 add_namelet (s, s + len, &root);
1556 if (root.subnamelets)
1558 fputs ("extern \"Java\"\n{\n", out);
1559 /* We use an initial offset of 0 because the root namelet
1560 doesn't cause anything to print. */
1561 print_namelet (out, &root, 0);
1562 fputs ("};\n\n", out);
1569 DEFUN(process_file, (jcf, out),
1570 JCF *jcf AND FILE *out)
1573 uint32 field_start, method_end, method_start;
1579 if (jcf_parse_preamble (jcf) != 0)
1581 fprintf (stderr, "Not a valid Java .class file.\n");
1586 /* Parse and possibly print constant pool */
1587 code = jcf_parse_constant_pool (jcf);
1590 fprintf (stderr, "error while parsing constant pool\n");
1594 code = verify_constant_pool (jcf);
1597 fprintf (stderr, "error in constant pool entry #%d\n", code);
1602 jcf_parse_class (jcf);
1604 if (written_class_count++ == 0 && out)
1606 const char *cstart, *cstart2, *mode, *cend, *what, *jflag;
1621 mode = " -*- c++ -*-";
1627 fprintf (out, "%s DO NOT EDIT THIS FILE - it is machine generated%s%s\n\n",
1628 cstart, mode, cend);
1631 fprintf (out, "%s This file was created by `gcjh -stubs%s'.%s\n\
1633 %s This file is intended to give you a head start on implementing native\n\
1634 %s methods using %s.\n\
1635 %s Be aware: running `gcjh -stubs %s' once more for this class may\n\
1636 %s overwrite any edits you have made to this file.%s\n\n",
1637 cstart, jflag, mode,
1653 print_mangled_classname (out, jcf, "#ifndef __", jcf->this_class);
1654 fprintf (out, "__\n");
1656 print_mangled_classname (out, jcf, "#define __", jcf->this_class);
1657 fprintf (out, "__\n\n");
1661 fprintf (out, "#include <jni.h>\n\n");
1662 fprintf (out, "#ifdef __cplusplus\n");
1663 fprintf (out, "extern \"C\"\n");
1664 fprintf (out, "{\n");
1665 fprintf (out, "#endif\n");
1669 /* We do this to ensure that inline methods won't be
1670 `outlined' by g++. This works as long as method and
1671 fields are not added by the user. */
1672 fprintf (out, "#pragma interface\n");
1674 if (jcf->super_class)
1677 const unsigned char *supername =
1678 super_class_name (jcf, &super_length);
1681 print_include (out, supername, super_length);
1687 /* Strip off the ".class" portion of the name when printing
1688 the include file name. */
1689 int len = strlen (jcf->classname);
1690 if (len > 6 && ! strcmp (&jcf->classname[len - 6], ".class"))
1692 print_include (out, jcf->classname, len);
1696 /* We want to parse the methods first. But we need to find where
1697 they start. So first we skip the fields, then parse the methods.
1698 Then we parse the fields and skip the methods. This is ugly, but
1699 not too bad since we need two full passes to get class decl
1700 information anyway. */
1702 field_start = JCF_TELL (jcf);
1703 jcf_parse_fields (jcf);
1705 method_start = JCF_TELL (jcf);
1707 jcf_parse_methods (jcf);
1712 if (out && ! flag_jni)
1715 print_class_decls (out, jcf, jcf->this_class);
1717 for (i = 0; i < prepend_count; ++i)
1718 fprintf (out, "%s\n", prepend_specs[i]);
1719 if (prepend_count > 0)
1724 if (! print_cxx_classname (out, "class ", jcf, jcf->this_class))
1726 fprintf (stderr, "class is of array type\n");
1730 if (jcf->super_class)
1732 if (! print_cxx_classname (out, " : public ",
1733 jcf, jcf->super_class))
1735 fprintf (stderr, "base class is of array type\n");
1741 fputs ("\n{\n", out);
1745 /* Now go back for second pass over methods and fields. */
1746 JCF_SEEK (jcf, method_start);
1748 jcf_parse_methods (jcf);
1749 method_end = JCF_TELL (jcf);
1752 JCF_SEEK (jcf, field_start);
1753 jcf_parse_fields (jcf);
1754 JCF_SEEK (jcf, method_end);
1756 jcf_parse_final_attributes (jcf);
1762 fprintf (out, "\n#ifdef __cplusplus\n");
1763 fprintf (out, "}\n");
1764 fprintf (out, "#endif\n");
1768 /* Generate friend decl if we still must. */
1769 for (i = 0; i < friend_count; ++i)
1770 fprintf (out, " friend %s\n", friend_specs[i]);
1772 /* Generate extra declarations. */
1775 for (i = 0; i < add_count; ++i)
1776 fprintf (out, " %s\n", add_specs[i]);
1779 fputs ("};\n", out);
1781 if (append_count > 0)
1783 for (i = 0; i < append_count; ++i)
1784 fprintf (out, "%s\n", append_specs[i]);
1787 print_mangled_classname (out, jcf,
1788 "\n#endif /* __", jcf->this_class);
1789 fprintf (out, "__ */\n");
1795 /* This is used to mark options with no short value. */
1796 #define LONG_OPT(Num) ((Num) + 128)
1798 #define OPT_classpath LONG_OPT (0)
1799 #define OPT_CLASSPATH LONG_OPT (1)
1800 #define OPT_HELP LONG_OPT (2)
1801 #define OPT_TEMP LONG_OPT (3)
1802 #define OPT_VERSION LONG_OPT (4)
1803 #define OPT_PREPEND LONG_OPT (5)
1804 #define OPT_FRIEND LONG_OPT (6)
1805 #define OPT_ADD LONG_OPT (7)
1806 #define OPT_APPEND LONG_OPT (8)
1807 #define OPT_M LONG_OPT (9)
1808 #define OPT_MM LONG_OPT (10)
1809 #define OPT_MG LONG_OPT (11)
1810 #define OPT_MD LONG_OPT (12)
1811 #define OPT_MMD LONG_OPT (13)
1813 static struct option options[] =
1815 { "classpath", required_argument, NULL, OPT_classpath },
1816 { "CLASSPATH", required_argument, NULL, OPT_CLASSPATH },
1817 { "help", no_argument, NULL, OPT_HELP },
1818 { "stubs", no_argument, &stubs, 1 },
1819 { "td", required_argument, NULL, OPT_TEMP },
1820 { "verbose", no_argument, NULL, 'v' },
1821 { "version", no_argument, NULL, OPT_VERSION },
1822 { "prepend", required_argument, NULL, OPT_PREPEND },
1823 { "friend", required_argument, NULL, OPT_FRIEND },
1824 { "add", required_argument, NULL, OPT_ADD },
1825 { "append", required_argument, NULL, OPT_APPEND },
1826 { "M", no_argument, NULL, OPT_M },
1827 { "MM", no_argument, NULL, OPT_MM },
1828 { "MG", no_argument, NULL, OPT_MG },
1829 { "MD", no_argument, NULL, OPT_MD },
1830 { "MMD", no_argument, NULL, OPT_MMD },
1831 { "jni", no_argument, &flag_jni, 1 },
1832 { NULL, no_argument, NULL, 0 }
1838 fprintf (stderr, "Try `gcjh --help' for more information.\n");
1845 printf ("Usage: gcjh [OPTION]... CLASS...\n\n");
1846 printf ("Generate C++ header files from .class files\n\n");
1847 printf (" -stubs Generate an implementation stub file\n");
1848 printf (" -jni Generate a JNI header or stub\n");
1850 printf (" -add TEXT Insert TEXT into class body\n");
1851 printf (" -append TEXT Insert TEXT after class declaration\n");
1852 printf (" -friend TEXT Insert TEXT as `friend' declaration\n");
1853 printf (" -prepend TEXT Insert TEXT before start of class\n");
1855 printf (" --classpath PATH Set path to find .class files\n");
1856 printf (" --CLASSPATH PATH Set path to find .class files\n");
1857 printf (" -IDIR Append directory to class path\n");
1858 printf (" -d DIRECTORY Set output directory name\n");
1859 printf (" -o FILE Set output file name\n");
1860 printf (" -td DIRECTORY Set temporary directory name\n");
1862 printf (" --help Print this help, then exit\n");
1863 printf (" --version Print version number, then exit\n");
1864 printf (" -v, --verbose Print extra information while running\n");
1866 printf (" -M Print all dependencies to stdout;\n");
1867 printf (" suppress ordinary output\n");
1868 printf (" -MM Print non-system dependencies to stdout;\n");
1869 printf (" suppress ordinary output\n");
1870 printf (" -MD Print all dependencies to stdout\n");
1871 printf (" -MMD Print non-system dependencies to stdout\n");
1872 /* We omit -MG until it is implemented. */
1874 printf ("For bug reporting instructions, please see:\n");
1875 printf ("%s.\n", GCCBUGURL);
1882 printf ("gcjh (%s)\n\n", version_string);
1883 printf ("Copyright (C) 1998, 1999 Free Software Foundation, Inc.\n");
1884 printf ("This is free software; see the source for copying conditions. There is NO\n");
1885 printf ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n");
1890 DEFUN(main, (argc, argv),
1891 int argc AND char** argv)
1895 char *output_file = NULL;
1896 int emit_dependencies = 0, suppress_output = 0;
1901 fprintf (stderr, "gcjh: no classes specified\n");
1907 /* We use getopt_long_only to allow single `-' long options. For
1908 some of our options this is more natural. */
1909 while ((opt = getopt_long_only (argc, argv, "I:d:o:v", options, NULL)) != -1)
1914 /* Already handled. */
1918 output_file = optarg;
1922 output_directory = optarg;
1926 jcf_path_include_arg (optarg);
1934 jcf_path_classpath_arg (optarg);
1938 jcf_path_CLASSPATH_arg (optarg);
1946 temp_directory = optarg;
1954 if (prepend_count == 0)
1955 prepend_specs = (char**) ALLOC (argc * sizeof (char*));
1956 prepend_specs[prepend_count++] = optarg;
1960 if (friend_count == 0)
1961 friend_specs = (char**) ALLOC (argc * sizeof (char*));
1962 friend_specs[friend_count++] = optarg;
1967 add_specs = (char**) ALLOC (argc * sizeof (char*));
1968 add_specs[add_count++] = optarg;
1972 if (append_count == 0)
1973 append_specs = (char**) ALLOC (argc * sizeof (char*));
1974 append_specs[append_count++] = optarg;
1978 emit_dependencies = 1;
1979 suppress_output = 1;
1980 jcf_dependency_init (1);
1984 emit_dependencies = 1;
1985 suppress_output = 1;
1986 jcf_dependency_init (0);
1990 fprintf (stderr, "gcjh: `-MG' option is unimplemented\n");
1994 emit_dependencies = 1;
1995 jcf_dependency_init (1);
1999 emit_dependencies = 1;
2000 jcf_dependency_init (0);
2011 fprintf (stderr, "gcjh: no classes specified\n");
2017 if (output_file && emit_dependencies)
2019 fprintf (stderr, "gcjh: can't specify both -o and -MD\n");
2023 for (argi = optind; argi < argc; argi++)
2025 char *classname = argv[argi];
2026 char *current_output_file;
2027 const char *classfile_name;
2030 fprintf (stderr, "Processing %s\n", classname);
2032 jcf_dependency_reset ();
2033 classfile_name = find_class (classname, strlen (classname), &jcf, 0);
2034 if (classfile_name == NULL)
2036 fprintf (stderr, "%s: no such class\n", classname);
2040 fprintf (stderr, "Found in %s\n", classfile_name);
2043 if (strcmp (output_file, "-") == 0)
2045 else if (out == NULL)
2047 out = fopen (output_file, "w");
2051 perror (output_file);
2054 current_output_file = output_file;
2058 int dir_len = strlen (output_directory);
2059 int i, classname_length = strlen (classname);
2060 current_output_file = (char*) ALLOC (dir_len + classname_length + 5);
2061 strcpy (current_output_file, output_directory);
2062 if (dir_len > 0 && output_directory[dir_len-1] != '/')
2063 current_output_file[dir_len++] = '/';
2064 for (i = 0; classname[i] != '\0'; i++)
2066 char ch = classname[i];
2069 if (flag_jni && ch == '/')
2071 current_output_file[dir_len++] = ch;
2073 if (emit_dependencies)
2075 if (suppress_output)
2077 jcf_dependency_set_dep_file ("-");
2082 /* We use `.hd' and not `.d' to avoid clashes with
2083 dependency tracking from straight compilation. */
2084 strcpy (current_output_file + dir_len, ".hd");
2085 jcf_dependency_set_dep_file (current_output_file);
2088 strcpy (current_output_file + dir_len,
2089 stubs ? (flag_jni ? ".c" : ".cc") : ".h");
2090 jcf_dependency_set_target (current_output_file);
2091 if (! suppress_output)
2093 out = fopen (current_output_file, "w");
2096 perror (current_output_file);
2101 process_file (&jcf, out);
2103 if (current_output_file != output_file)
2104 free (current_output_file);
2105 jcf_dependency_write ();
2108 if (out != NULL && out != stdout)