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, int));
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 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,
149 static void jni_print_char PARAMS ((FILE *, int));
151 JCF_u2 current_field_name;
152 JCF_u2 current_field_value;
153 JCF_u2 current_field_signature;
154 JCF_u2 current_field_flags;
156 #define HANDLE_START_FIELD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \
157 ( current_field_name = (NAME), current_field_signature = (SIGNATURE), \
158 current_field_flags = (ACCESS_FLAGS), current_field_value = 0)
160 /* We pass over fields twice. The first time we just note the types
161 of the fields and then the start of the methods. Then we go back
162 and parse the fields for real. This is ugly. */
163 static int field_pass;
164 /* Likewise we pass over methods twice. The first time we generate
165 class decl information; the second time we generate actual method
167 static int method_pass;
169 #define HANDLE_END_FIELD() \
172 if (out && ! stubs && ! flag_jni) \
173 print_field_info (out, jcf, current_field_name, \
174 current_field_signature, \
175 current_field_flags); \
177 else if (! stubs && ! flag_jni) \
178 add_class_decl (out, jcf, current_field_signature);
180 #define HANDLE_CONSTANTVALUE(VALUEINDEX) current_field_value = (VALUEINDEX)
182 static int method_declared = 0;
183 static int method_access = 0;
184 static int method_printed = 0;
185 static int method_synthetic = 0;
186 #define HANDLE_METHOD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \
188 method_synthetic = 0; \
189 if (ATTRIBUTE_COUNT) \
190 method_synthetic = peek_attribute (jcf, ATTRIBUTE_COUNT, \
191 (const char *)"Synthetic", 9); \
192 /* If a synthetic methods have been declared, its attribute aren't \
193 worth reading (and triggering side-effects). We skip them an \
194 set ATTRIBUTE_COUNT to zero so that they'll be skipped in \
195 jcf_parse_one_method. */ \
196 if (method_synthetic) \
198 skip_attribute (jcf, ATTRIBUTE_COUNT); \
199 ATTRIBUTE_COUNT = 0; \
201 if (method_pass && !method_synthetic) \
203 decompiled = 0; method_printed = 0; \
205 print_method_info (out, jcf, NAME, SIGNATURE, \
206 ACCESS_FLAGS, method_synthetic); \
208 else if (!method_synthetic) \
210 print_method_info (NULL, jcf, NAME, SIGNATURE, \
211 ACCESS_FLAGS, method_synthetic); \
212 if (! stubs && ! flag_jni) \
213 add_class_decl (out, jcf, SIGNATURE); \
217 #define HANDLE_CODE_ATTRIBUTE(MAX_STACK, MAX_LOCALS, CODE_LENGTH) \
218 if (out && method_declared) decompile_method (out, jcf, CODE_LENGTH);
220 static int decompiled = 0;
221 #define HANDLE_END_METHOD() \
222 if (out && method_printed && !method_synthetic) \
223 fputs (decompiled || stubs ? "\n" : ";\n", out);
225 #include "jcf-reader.c"
227 /* Some useful constants. */
228 #define F_NAN_MASK 0x7f800000
229 #if (1 == HOST_FLOAT_WORDS_BIG_ENDIAN) && ! defined (HOST_WORDS_BIG_ENDIAN)
230 #define D_NAN_MASK 0x000000007ff00000LL
232 #define D_NAN_MASK 0x7ff0000000000000LL
235 /* Return 1 if F is not Inf or NaN. */
237 java_float_finite (f)
243 /* We happen to know that F_NAN_MASK will match all NaN values, and
244 also positive and negative infinity. That's why we only need one
245 test here. See The Java Language Specification, section 20.9. */
246 return (u.i & F_NAN_MASK) != F_NAN_MASK;
249 /* Return 1 if D is not Inf or NaN. */
251 java_double_finite (d)
257 /* Now check for all NaNs. */
258 return (u.l & D_NAN_MASK) != D_NAN_MASK;
261 /* Print a character, appropriately mangled for JNI. */
264 jni_print_char (stream, ch)
269 jcf_print_char (stream, ch);
270 else if (ch == '(' || ch == ')')
275 fputs ("_1", stream);
277 fputs ("_2", stream);
279 fputs ("_3", stream);
282 else if ((ch >= '0' && ch <= '9')
283 || (ch >= 'a' && ch <= 'z')
284 || (ch >= 'A' && ch <= 'Z'))
288 /* "Unicode" character. */
289 fprintf (stream, "_0%04x", ch);
293 /* Print a name from the class data. If the index does not point to a
294 string, an error results. */
297 DEFUN(print_name, (stream, jcf, name_index),
298 FILE* stream AND JCF* jcf AND int name_index)
300 if (JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8)
302 fprintf (stream, "<not a UTF8 constant>");
306 jcf_print_utf8 (stream, JPOOL_UTF_DATA (jcf, name_index),
307 JPOOL_UTF_LENGTH (jcf, name_index));
310 /* For JNI we must correctly quote each character. */
311 const unsigned char *str = JPOOL_UTF_DATA (jcf, name_index);
312 int length = JPOOL_UTF_LENGTH (jcf, name_index);
313 const unsigned char *limit = str + length;
316 int ch = UTF8_GET (str, limit);
319 fprintf (stream, "\\<invalid>");
322 jni_print_char (stream, ch);
327 /* Print base name of class. The base name is everything after the
331 print_base_classname (stream, jcf, index)
336 int name_index = JPOOL_USHORT1 (jcf, index);
338 const unsigned char *s, *p, *limit;
340 s = JPOOL_UTF_DATA (jcf, name_index);
341 len = JPOOL_UTF_LENGTH (jcf, name_index);
346 int c = UTF8_GET (s, limit);
353 int ch = UTF8_GET (p, limit);
355 fputs ("::", stream);
357 jcf_print_char (stream, ch);
361 /* Return 0 if NAME is equal to STR, -1 if STR is "less" than NAME,
362 and 1 if STR is "greater" than NAME. */
365 utf8_cmp (str, length, name)
366 const unsigned char *str;
370 const unsigned char *limit = str + length;
373 for (i = 0; name[i]; ++i)
375 int ch = UTF8_GET (str, limit);
380 return str == limit ? 0 : 1;
383 /* This is a sorted list of all C++ keywords. */
385 static const char *cxx_keywords[] =
421 /* If NAME is the name of a C++ keyword, then return an override name.
422 This is a name that can be used in place of the keyword.
423 Otherwise, return NULL. The return value is malloc()d. */
426 cxx_keyword_subst (str, length)
427 const unsigned char *str;
430 int last = ARRAY_SIZE (cxx_keywords);
432 int mid = (last + first) / 2;
435 for (mid = (last + first) / 2;
437 old = mid, mid = (last + first) / 2)
439 int r = utf8_cmp (str, length, cxx_keywords[mid]);
443 char *str = xmalloc (2 + strlen (cxx_keywords[mid]));
444 strcpy (str, cxx_keywords[mid]);
456 /* Generate an access control keyword based on FLAGS. */
459 generate_access (stream, flags)
463 if ((flags & ACC_VISIBILITY) == last_access)
465 last_access = (flags & ACC_VISIBILITY);
470 fputs ("public: // actually package-private\n", stream);
473 fputs ("public:\n", stream);
476 fputs ("private:\n", stream);
479 fputs ("public: // actually protected\n", stream);
483 fprintf (stream, "#error unrecognized visibility %d\n",
484 (flags & ACC_VISIBILITY));
489 /* See if NAME is already the name of a method. */
491 name_is_method_p (name, length)
492 const unsigned char *name;
495 struct method_name *p;
497 for (p = method_name_list; p != NULL; p = p->next)
499 if (p->length == length && ! memcmp (p->name, name, length))
505 /* If there is already a method named NAME, whose signature is not
506 SIGNATURE, then return true. Otherwise return false. */
508 overloaded_jni_method_exists_p (name, length, signature, sig_length)
509 const unsigned char *name;
511 const char *signature;
514 struct method_name *p;
516 for (p = method_name_list; p != NULL; p = p->next)
518 if (p->length == length
519 && ! memcmp (p->name, name, length)
520 && (p->sig_length != sig_length
521 || memcmp (p->signature, signature, sig_length)))
527 /* Get name of a field. This handles renamings due to C++ clash. */
529 get_field_name (jcf, name_index, flags)
534 unsigned char *name = JPOOL_UTF_DATA (jcf, name_index);
535 int length = JPOOL_UTF_LENGTH (jcf, name_index);
538 if (name_is_method_p (name, length))
540 /* This field name matches a method. So override the name with
541 a dummy name. This is yucky, but it isn't clear what else to
542 do. FIXME: if the field is static, then we'll be in real
544 if ((flags & ACC_STATIC))
546 fprintf (stderr, "static field has same name as method\n");
551 override = xmalloc (length + 3);
552 memcpy (override, name, length);
553 strcpy (override + length, "__");
556 override = cxx_keyword_subst (name, length);
561 /* Print a field name. Convenience function for use with
564 print_field_name (stream, jcf, name_index, flags)
570 char *override = get_field_name (jcf, name_index, flags);
574 fputs (override, stream);
578 jcf_print_utf8 (stream, JPOOL_UTF_DATA (jcf, name_index),
579 JPOOL_UTF_LENGTH (jcf, name_index));
583 DEFUN(print_field_info, (stream, jcf, name_index, sig_index, flags),
584 FILE *stream AND JCF* jcf
585 AND int name_index AND int sig_index AND JCF_u2 flags)
587 char *override = NULL;
589 generate_access (stream, flags);
590 if (JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8)
592 fprintf (stream, "<not a UTF8 constant>");
598 if ((flags & ACC_STATIC))
599 fputs ("static ", out);
601 if ((flags & ACC_FINAL))
603 if (current_field_value > 0)
608 switch (JPOOL_TAG (jcf, current_field_value))
610 case CONSTANT_Integer:
613 int most_negative = 0;
614 fputs ("const jint ", out);
615 print_field_name (out, jcf, name_index, 0);
617 num = JPOOL_INT (jcf, current_field_value);
618 /* We single out the most negative number to print
619 specially. This avoids later warnings from g++. */
620 if (num == (jint) 0x80000000)
625 format_int (buffer, (jlong) num, 10);
626 fprintf (out, "%sL%s;\n", buffer, most_negative ? " - 1" : "");
632 int most_negative = 0;
633 fputs ("const jlong ", out);
634 print_field_name (out, jcf, name_index, 0);
636 num = JPOOL_LONG (jcf, current_field_value);
637 /* We single out the most negative number to print
638 specially.. This avoids later warnings from g++. */
639 if (num == (jlong) 0x8000000000000000LL)
644 format_int (buffer, num, 10);
645 fprintf (out, "%sLL%s;\n", buffer, most_negative ? " - 1" :"");
650 jfloat fnum = JPOOL_FLOAT (jcf, current_field_value);
651 fputs ("const jfloat ", out);
652 print_field_name (out, jcf, name_index, 0);
653 if (! java_float_finite (fnum))
656 fprintf (out, " = %.10g;\n", fnum);
659 case CONSTANT_Double:
661 jdouble dnum = JPOOL_DOUBLE (jcf, current_field_value);
662 fputs ("const jdouble ", out);
663 print_field_name (out, jcf, name_index, 0);
664 if (! java_double_finite (dnum))
667 fprintf (out, " = %.17g;\n", dnum);
671 /* We can't print this as a constant, but we can still
672 print something sensible. */
682 override = get_field_name (jcf, name_index, flags);
683 print_c_decl (out, jcf, name_index, sig_index, 0, override, flags);
692 DEFUN(print_method_info, (stream, jcf, name_index, sig_index, flags, synth),
693 FILE *stream AND JCF* jcf
694 AND int name_index AND int sig_index AND JCF_u2 flags AND int synth)
696 const unsigned char *str;
697 int length, is_init = 0;
698 char *override = NULL;
701 method_access = flags;
702 if (stream && JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8)
703 fprintf (stream, "<not a UTF8 constant>");
704 str = JPOOL_UTF_DATA (jcf, name_index);
705 length = JPOOL_UTF_LENGTH (jcf, name_index);
707 /* Ignore synthetic methods. */
713 /* Ignore the internally generated method <clinit>. However,
714 treat <init> as a constructor. */
715 if (! utf8_cmp (str, length, "<init>"))
717 else if (! METHOD_IS_FINAL (jcf->access_flags, flags)
718 && ! (flags & ACC_STATIC))
720 /* FIXME: i18n bug here. Order of prints should not be
722 fprintf (stderr, "ignored method `");
723 jcf_print_utf8 (stderr, str, length);
724 fprintf (stderr, "' marked virtual\n");
732 /* During the first method pass, build a list of method names. This will
733 be used to determine if field names conflict with method names. */
736 struct method_name *nn;
738 nn = (struct method_name *) xmalloc (sizeof (struct method_name));
739 nn->name = (char *) xmalloc (length);
740 memcpy (nn->name, str, length);
742 nn->next = method_name_list;
743 nn->sig_length = JPOOL_UTF_LENGTH (jcf, sig_index);
744 nn->signature = (char *) xmalloc (nn->sig_length);
745 memcpy (nn->signature, JPOOL_UTF_DATA (jcf, sig_index),
747 method_name_list = nn;
749 /* The rest of this function doesn't matter. */
753 /* We don't worry about overrides in JNI mode. */
756 /* We can't generate a method whose name is a C++ reserved word.
757 We can't just ignore the function, because that will cause
758 incorrect code to be generated if the function is virtual
759 (not only for calls to this function for for other functions
760 after it in the vtbl). So we give it a dummy name instead. */
761 override = cxx_keyword_subst (str, length);
764 if (! stubs && ! flag_jni)
768 generate_access (stream, flags);
771 if ((flags & ACC_STATIC))
772 fputs ("static ", out);
773 else if (! METHOD_IS_FINAL (jcf->access_flags, flags))
775 /* Don't print `virtual' if we have a constructor. */
777 fputs ("virtual ", out);
779 print_c_decl (out, jcf, name_index, sig_index, is_init, override, flags);
781 if ((flags & ACC_ABSTRACT))
788 if (METHOD_IS_NATIVE (flags))
791 print_stub_or_jni (out, jcf, name_index, sig_index,
792 is_init, override, flags);
800 /* Try to decompile a method body. Right now we just try to handle a
801 simple case that we can do. Expand as desired. */
803 decompile_method (out, jcf, code_len)
808 const unsigned char *codes = jcf->read_ptr;
810 uint16 name_and_type, name;
812 /* If the method is synchronized, don't touch it. */
813 if ((method_access & ACC_SYNCHRONIZED))
817 && codes[0] == OPCODE_aload_0
818 && codes[1] == OPCODE_getfield
819 && (codes[4] == OPCODE_areturn
820 || codes[4] == OPCODE_dreturn
821 || codes[4] == OPCODE_freturn
822 || codes[4] == OPCODE_ireturn
823 || codes[4] == OPCODE_lreturn))
825 /* Found code like `return FIELD'. */
826 fputs (" { return ", out);
827 index = (codes[2] << 8) | codes[3];
828 /* FIXME: ensure that tag is CONSTANT_Fieldref. */
829 /* FIXME: ensure that the field's class is this class. */
830 name_and_type = JPOOL_USHORT2 (jcf, index);
831 /* FIXME: ensure that tag is CONSTANT_NameAndType. */
832 name = JPOOL_USHORT1 (jcf, name_and_type);
834 print_field_name (out, jcf, name, 0);
838 else if (code_len == 2
839 && codes[0] == OPCODE_aload_0
840 && codes[1] == OPCODE_areturn)
842 /* Found `return this'. */
843 fputs (" { return this; }", out);
846 else if (code_len == 1 && codes[0] == OPCODE_return)
848 /* Found plain `return'. */
852 else if (code_len == 2
853 && codes[0] == OPCODE_aconst_null
854 && codes[1] == OPCODE_areturn)
856 /* Found `return null'. We don't want to depend on NULL being
858 fputs (" { return 0; }", out);
863 /* Print one piece of a signature. Returns pointer to next parseable
864 character on success, NULL on error. */
865 static const unsigned char *
866 decode_signature_piece (stream, signature, limit, need_space)
868 const unsigned char *signature, *limit;
874 switch (signature[0])
877 /* More spaghetti. */
880 for (signature++; (signature < limit
882 && *signature <= '9'); signature++)
887 ctype = "jbyteArray";
890 ctype = "jcharArray";
893 ctype = "jdoubleArray";
896 ctype = "jfloatArray";
902 ctype = "jshortArray";
905 ctype = "jlongArray";
908 ctype = "jbooleanArray";
911 /* We have a nested array. */
914 fputs ("JArray<", stream);
918 /* We have to generate a reference to JArray here, so that
919 our output matches what the compiler does. */
921 /* Space between `<' and `:' to avoid C++ digraphs. */
923 fputs ("JArray< ::", stream);
924 while (signature < limit && *signature != ';')
926 int ch = UTF8_GET (signature, limit);
930 fputs ("::", stream);
932 jcf_print_char (stream, ch);
936 fputs (" *> *", stream);
941 /* Unparseable signature. */
945 /* If the previous iterations left us with something to print,
946 print it. For JNI, we always print `jobjectArray' in the
948 if (flag_jni && ctype == NULL)
950 ctype = "jobjectArray";
953 /* The `printit' case will advance SIGNATURE for us. If we
954 don't go there, we must advance past the `;' ourselves. */
962 /* This shouldn't happen. */
965 case 'B': ctype = "jbyte"; goto printit;
966 case 'C': ctype = "jchar"; goto printit;
967 case 'D': ctype = "jdouble"; goto printit;
968 case 'F': ctype = "jfloat"; goto printit;
969 case 'I': ctype = "jint"; goto printit;
970 case 'J': ctype = "jlong"; goto printit;
971 case 'S': ctype = "jshort"; goto printit;
972 case 'Z': ctype = "jboolean"; goto printit;
973 case 'V': ctype = "void"; goto printit;
977 /* We know about certain types and special-case their
979 FIXME: something like java.lang.Exception should be
980 printed as `jthrowable', because it is a subclass. This
981 means that gcjh must read the entire hierarchy and
983 if (! strncmp (signature, "Ljava/lang/String;",
984 sizeof ("Ljava/lang/String;") -1))
986 else if (! strncmp (signature, "Ljava/lang/Class;",
987 sizeof ("Ljava/lang/Class;") - 1))
989 else if (! strncmp (signature, "Ljava/lang/Throwable;",
990 sizeof ("Ljava/lang/Throwable;") - 1))
991 ctype = "jthrowable";
992 else if (! strncmp (signature, "Ljava/lang/ref/WeakReference;",
993 sizeof ("Ljava/lang/ref/WeakReference;") - 1))
998 while (*signature && *signature != ';')
1003 /* Print a leading "::" so we look in the right namespace. */
1004 fputs ("::", stream);
1006 while (*signature && *signature != ';')
1008 int ch = UTF8_GET (signature, limit);
1010 fputs ("::", stream);
1012 jcf_print_char (stream, ch);
1014 fputs (" *", stream);
1015 if (*signature == ';')
1021 jni_print_char (stream, *signature++);
1026 fputs (ctype, stream);
1032 while (array_depth-- > 0)
1033 fputs ("> *", stream);
1040 DEFUN(print_c_decl, (stream, jcf, name_index, signature_index, is_init,
1041 name_override, flags),
1042 FILE* stream AND JCF* jcf
1043 AND int name_index AND int signature_index
1044 AND int is_init AND const char *name_override AND int flags)
1046 if (JPOOL_TAG (jcf, signature_index) != CONSTANT_Utf8)
1048 fprintf (stream, "<not a UTF8 constant>");
1053 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1054 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1055 register const unsigned char *str = str0;
1056 const unsigned char *limit = str + length;
1058 int is_method = str[0] == '(';
1059 const unsigned char *next;
1061 /* If printing a method, skip to the return signature and print
1062 that first. However, there is no return value if this is a
1064 if (is_method && ! is_init)
1074 /* If printing a field or an ordinary method, then print the
1075 "return value" now. */
1076 if (! is_method || ! is_init)
1078 next = decode_signature_piece (stream, str, limit, &need_space);
1081 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1087 /* Now print the name of the thing. */
1089 fputs (" ", stream);
1090 print_full_cxx_name (stream, jcf, name_index,
1091 signature_index, is_init, name_override,
1096 /* Print the unqualified method name followed by the signature. */
1098 DEFUN(print_full_cxx_name, (stream, jcf, name_index, signature_index,
1099 is_init, name_override, flags),
1100 FILE* stream AND JCF* jcf
1101 AND int name_index AND int signature_index AND int is_init
1102 AND const char *name_override AND int flags)
1104 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1105 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1106 register const unsigned char *str = str0;
1107 const unsigned char *limit = str + length;
1109 int is_method = str[0] == '(';
1110 const unsigned char *next;
1113 fputs (name_override, stream);
1114 else if (name_index)
1116 /* Declare constructors specially. */
1118 print_base_classname (stream, jcf, jcf->this_class);
1120 print_name (stream, jcf, name_index);
1125 unsigned char *signature = JPOOL_UTF_DATA (jcf, signature_index);
1126 int sig_len = JPOOL_UTF_LENGTH (jcf, signature_index);
1127 if (overloaded_jni_method_exists_p (JPOOL_UTF_DATA (jcf, name_index),
1128 JPOOL_UTF_LENGTH (jcf, name_index),
1129 signature, sig_len))
1131 /* If this method is overloaded by another native method,
1132 then include the argument information in the mangled
1134 unsigned char *limit = signature + sig_len;
1135 fputs ("__", stream);
1136 while (signature < limit)
1138 int ch = UTF8_GET (signature, limit);
1139 jni_print_char (stream, ch);
1151 /* Have a method or a constructor. Print signature pieces
1153 fputs (" (", stream);
1157 /* In JNI mode, add extra arguments. */
1160 /* FIXME: it would be nice to know if we are printing a decl
1161 or a definition, and only print `env' for the latter. */
1162 fputs ("JNIEnv *env", stream);
1164 fputs ((flags & ACC_STATIC) ? ", jclass" : ", jobject", stream);
1167 fputs (", ", stream);
1170 while (str < limit && *str != ')')
1172 next = decode_signature_piece (stream, str, limit, &need_space);
1175 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1180 if (next < limit && *next != ')')
1181 fputs (", ", stream);
1185 fputs (")", stream);
1189 /* This is a helper for print_stub_or_jni. */
1191 DEFUN (print_name_for_stub_or_jni, (stream, jcf, name_index, signature_index,
1192 is_init, name_override, flags),
1193 FILE *stream AND JCF *jcf
1194 AND int name_index AND int signature_index
1195 AND int is_init AND const char *name_override AND int flags)
1197 const char *const prefix = flag_jni ? "Java_" : "";
1198 print_cxx_classname (stream, prefix, jcf, jcf->this_class);
1199 fputs (flag_jni ? "_" : "::", stream);
1200 print_full_cxx_name (stream, jcf, name_index,
1201 signature_index, is_init, name_override,
1206 DEFUN(print_stub_or_jni, (stream, jcf, name_index, signature_index, is_init,
1207 name_override, flags),
1208 FILE* stream AND JCF* jcf
1209 AND int name_index AND int signature_index
1210 AND int is_init AND const char *name_override AND int flags)
1212 if (JPOOL_TAG (jcf, signature_index) != CONSTANT_Utf8)
1214 fprintf (stream, "<not a UTF8 constant>");
1219 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1220 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1221 register const unsigned char *str = str0;
1222 const unsigned char *limit = str + length;
1224 int is_method = str[0] == '(';
1225 const unsigned char *next;
1227 /* Don't print fields in the JNI case. */
1228 if (! is_method && flag_jni)
1231 if (flag_jni && ! stubs)
1232 fputs ("extern ", stream);
1234 /* If printing a method, skip to the return signature and print
1235 that first. However, there is no return value if this is a
1237 if (is_method && ! is_init)
1247 /* If printing a field or an ordinary method, then print the
1248 "return value" now. Note that a constructor can't be native,
1249 so we don't bother checking this in the JNI case. */
1250 if (! is_method || ! is_init)
1252 next = decode_signature_piece (stream, str, limit, &need_space);
1255 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1261 /* When printing a JNI header we need to respect the space. In
1262 other cases we're just going to insert a newline anyway. */
1263 fputs (need_space && ! stubs ? " " : "\n", stream);
1265 /* Now print the name of the thing. */
1266 print_name_for_stub_or_jni (stream, jcf, name_index,
1267 signature_index, is_init, name_override,
1270 /* Print the body. */
1274 fputs ("\n{\n (*env)->FatalError (\"", stream);
1276 fputs ("\n{\n JvFail (\"", stream);
1277 print_name_for_stub_or_jni (stream, jcf, name_index,
1278 signature_index, is_init,
1281 fputs (" not implemented\");\n}\n\n", stream);
1287 DEFUN(print_mangled_classname, (stream, jcf, prefix, index),
1288 FILE *stream AND JCF *jcf AND const char *prefix AND int index)
1290 int name_index = JPOOL_USHORT1 (jcf, index);
1291 fputs (prefix, stream);
1292 jcf_print_utf8_replace (out,
1293 JPOOL_UTF_DATA (jcf, name_index),
1294 JPOOL_UTF_LENGTH (jcf, name_index),
1298 /* Print PREFIX, then a class name in C++ format. If the name refers
1299 to an array, ignore it and don't print PREFIX. Returns 1 if
1300 something was printed, 0 otherwise. */
1302 print_cxx_classname (stream, prefix, jcf, index)
1308 int name_index = JPOOL_USHORT1 (jcf, index);
1310 const unsigned char *s, *p, *limit;
1312 s = JPOOL_UTF_DATA (jcf, name_index);
1313 len = JPOOL_UTF_LENGTH (jcf, name_index);
1316 /* Explicitly omit arrays here. */
1318 c = UTF8_GET (p, limit);
1322 fputs (prefix, stream);
1324 /* Print a leading "::" so we look in the right namespace. */
1325 if (! flag_jni && ! stubs)
1326 fputs ("::", stream);
1330 c = UTF8_GET (s, limit);
1332 fputs (flag_jni ? "_" : "::", stream);
1334 jni_print_char (stream, c);
1340 int written_class_count = 0;
1342 /* Return name of superclass. If LEN is not NULL, fill it with length
1344 static const unsigned char *
1345 super_class_name (derived_jcf, len)
1349 int supername_index = JPOOL_USHORT1 (derived_jcf, derived_jcf->super_class);
1350 int supername_length = JPOOL_UTF_LENGTH (derived_jcf, supername_index);
1351 const unsigned char *supername =
1352 JPOOL_UTF_DATA (derived_jcf, supername_index);
1355 *len = supername_length;
1362 /* We keep track of all the `#include's we generate, so we can avoid
1367 struct include *next;
1370 /* List of all includes. */
1371 static struct include *all_includes = NULL;
1373 /* Generate a #include. */
1375 print_include (out, utf8, len)
1377 const unsigned char *utf8;
1380 struct include *incl;
1386 len = strlen (utf8);
1388 for (incl = all_includes; incl; incl = incl->next)
1390 /* We check the length because we might have a proper prefix. */
1391 if (len == (int) strlen (incl->name)
1392 && ! strncmp (incl->name, utf8, len))
1396 incl = (struct include *) xmalloc (sizeof (struct include));
1397 incl->name = xmalloc (len + 1);
1398 strncpy (incl->name, utf8, len);
1399 incl->name[len] = '\0';
1400 incl->next = all_includes;
1401 all_includes = incl;
1403 fputs ("#include <", out);
1404 jcf_print_utf8_replace (out, utf8, len,
1406 flag_jni ? '_' : '/');
1407 fputs (".h>\n", out);
1412 /* This is used to represent part of a package or class name. */
1415 /* The text of this part of the name. */
1417 /* True if this represents a class. */
1419 /* Linked list of all classes and packages inside this one. */
1420 struct namelet *subnamelets;
1421 /* Pointer to next sibling. */
1422 struct namelet *next;
1425 static void add_namelet PARAMS ((const unsigned char *,
1426 const unsigned char *, struct namelet *));
1427 static void print_namelet PARAMS ((FILE *, struct namelet *, int));
1429 /* The special root namelet. */
1430 static struct namelet root =
1438 /* This extracts the next name segment from the full UTF-8 encoded
1439 package or class name and links it into the tree. It does this
1442 add_namelet (name, name_limit, parent)
1443 const unsigned char *name, *name_limit;
1444 struct namelet *parent;
1446 const unsigned char *p;
1447 struct namelet *n = NULL, *np;
1449 /* We want to skip the standard namespaces that we assume the
1450 runtime already knows about. We only do this at the top level,
1451 though, hence the check for `root'. */
1452 if (parent == &root)
1454 #define JAVALANG "java/lang/"
1455 #define JAVAIO "java/io/"
1456 #define JAVAUTIL "java/util/"
1457 if ((name_limit - name >= (int) sizeof (JAVALANG) - 1
1458 && ! strncmp (name, JAVALANG, sizeof (JAVALANG) - 1))
1459 || (name_limit - name >= (int) sizeof (JAVAUTIL) - 1
1460 && ! strncmp (name, JAVAUTIL, sizeof (JAVAUTIL) - 1))
1461 || (name_limit - name >= (int) sizeof (JAVAIO) - 1
1462 && ! strncmp (name, JAVAIO, sizeof (JAVAIO) - 1)))
1466 for (p = name; p < name_limit && *p != '/'; ++p)
1469 /* Search for this name beneath the PARENT node. */
1470 for (np = parent->subnamelets; np != NULL; np = np->next)
1472 /* We check the length because we might have a proper prefix. */
1473 if ((int) strlen (np->name) == p - name &&
1474 ! strncmp (name, np->name, p - name))
1483 n = (struct namelet *) xmalloc (sizeof (struct namelet));
1484 n->name = xmalloc (p - name + 1);
1485 strncpy (n->name, name, p - name);
1486 n->name[p - name] = '\0';
1487 n->is_class = (p == name_limit);
1488 n->subnamelets = NULL;
1489 n->next = parent->subnamelets;
1490 parent->subnamelets = n;
1493 /* We recurse if there is more text, and if the trailing piece does
1494 not represent an inner class. */
1496 add_namelet (p + 1, name_limit, n);
1499 /* Print a single namelet. Destroys namelets while printing. */
1501 print_namelet (out, name, depth)
1503 struct namelet *name;
1511 for (i = 0; i < depth; ++i)
1513 fprintf (out, "%s %s", name->is_class ? "class" : "namespace",
1515 if (name->is_class && name->subnamelets == NULL)
1521 for (i = 0; i < depth; ++i)
1527 c = name->subnamelets;
1530 struct namelet *next = c->next;
1531 print_namelet (out, c, depth + 2);
1539 for (i = 0; i < depth; ++i)
1542 /* Only print a `;' when printing a class. C++ is evil. */
1552 /* This is called to add some classes to the list of classes for which
1553 we need decls. The signature argument can be a function
1556 add_class_decl (out, jcf, signature)
1561 const unsigned char *s = JPOOL_UTF_DATA (jcf, signature);
1562 int len = JPOOL_UTF_LENGTH (jcf, signature);
1565 for (i = 0; i < len; ++i)
1569 /* If we see an array, then we include the array header. */
1572 print_include (out, "gcj/array", -1);
1576 /* We're looking for `L<stuff>;' -- everything else is
1581 for (start = ++i; i < len && s[i] != ';'; ++i)
1584 add_namelet (&s[start], &s[i], &root);
1588 /* Print declarations for all classes required by this class. Any
1589 class or package in the `java' package is assumed to be handled
1590 statically in libjava; we don't generate declarations for these.
1591 This makes the generated headers a bit easier to read. */
1593 print_class_decls (out, jcf, self)
1598 /* Make sure to always add the current class to the list of things
1599 that should be declared. */
1600 int name_index = JPOOL_USHORT1 (jcf, self);
1602 const unsigned char *s;
1604 s = JPOOL_UTF_DATA (jcf, name_index);
1605 len = JPOOL_UTF_LENGTH (jcf, name_index);
1606 add_namelet (s, s + len, &root);
1608 if (root.subnamelets)
1610 fputs ("extern \"Java\"\n{\n", out);
1611 /* We use an initial offset of 0 because the root namelet
1612 doesn't cause anything to print. */
1613 print_namelet (out, &root, 0);
1614 fputs ("};\n\n", out);
1621 DEFUN(process_file, (jcf, out),
1622 JCF *jcf AND FILE *out)
1625 uint32 field_start, method_end, method_start;
1631 if (jcf_parse_preamble (jcf) != 0)
1633 fprintf (stderr, "Not a valid Java .class file.\n");
1638 /* Parse and possibly print constant pool */
1639 code = jcf_parse_constant_pool (jcf);
1642 fprintf (stderr, "error while parsing constant pool\n");
1646 code = verify_constant_pool (jcf);
1649 fprintf (stderr, "error in constant pool entry #%d\n", code);
1654 jcf_parse_class (jcf);
1656 if (written_class_count++ == 0 && out)
1658 const char *cstart, *cstart2, *mode, *cend, *what, *jflag;
1673 mode = " -*- c++ -*-";
1679 fprintf (out, "%s DO NOT EDIT THIS FILE - it is machine generated%s%s\n\n",
1680 cstart, mode, cend);
1683 fprintf (out, "%s This file was created by `gcjh -stubs%s'.%s\n\
1685 %s This file is intended to give you a head start on implementing native\n\
1686 %s methods using %s.\n\
1687 %s Be aware: running `gcjh -stubs %s' once more for this class may\n\
1688 %s overwrite any edits you have made to this file.%s\n\n",
1689 cstart, jflag, mode,
1705 print_mangled_classname (out, jcf, "#ifndef __", jcf->this_class);
1706 fprintf (out, "__\n");
1708 print_mangled_classname (out, jcf, "#define __", jcf->this_class);
1709 fprintf (out, "__\n\n");
1713 fprintf (out, "#include <jni.h>\n\n");
1714 fprintf (out, "#ifdef __cplusplus\n");
1715 fprintf (out, "extern \"C\"\n");
1716 fprintf (out, "{\n");
1717 fprintf (out, "#endif\n");
1721 /* We do this to ensure that inline methods won't be
1722 `outlined' by g++. This works as long as method and
1723 fields are not added by the user. */
1724 fprintf (out, "#pragma interface\n");
1726 if (jcf->super_class)
1729 const unsigned char *supername =
1730 super_class_name (jcf, &super_length);
1733 print_include (out, supername, super_length);
1739 /* Strip off the ".class" portion of the name when printing
1740 the include file name. */
1741 int len = strlen (jcf->classname);
1742 if (len > 6 && ! strcmp (&jcf->classname[len - 6], ".class"))
1744 print_include (out, jcf->classname, len);
1745 print_include (out, "gcj/cni", -1);
1749 /* We want to parse the methods first. But we need to find where
1750 they start. So first we skip the fields, then parse the methods.
1751 Then we parse the fields and skip the methods. This is ugly, but
1752 not too bad since we need two full passes to get class decl
1753 information anyway. */
1755 field_start = JCF_TELL (jcf);
1756 jcf_parse_fields (jcf);
1758 method_start = JCF_TELL (jcf);
1760 jcf_parse_methods (jcf);
1765 if (out && ! flag_jni)
1768 print_class_decls (out, jcf, jcf->this_class);
1770 for (i = 0; i < prepend_count; ++i)
1771 fprintf (out, "%s\n", prepend_specs[i]);
1772 if (prepend_count > 0)
1777 if (! print_cxx_classname (out, "class ", jcf, jcf->this_class))
1779 fprintf (stderr, "class is of array type\n");
1783 if (jcf->super_class)
1785 if (! print_cxx_classname (out, " : public ",
1786 jcf, jcf->super_class))
1788 fprintf (stderr, "base class is of array type\n");
1794 fputs ("\n{\n", out);
1798 /* Now go back for second pass over methods and fields. */
1799 JCF_SEEK (jcf, method_start);
1801 jcf_parse_methods (jcf);
1802 method_end = JCF_TELL (jcf);
1805 JCF_SEEK (jcf, field_start);
1806 jcf_parse_fields (jcf);
1807 JCF_SEEK (jcf, method_end);
1809 jcf_parse_final_attributes (jcf);
1815 fprintf (out, "\n#ifdef __cplusplus\n");
1816 fprintf (out, "}\n");
1817 fprintf (out, "#endif\n");
1821 /* Generate friend decl if we still must. */
1822 for (i = 0; i < friend_count; ++i)
1823 fprintf (out, " friend %s\n", friend_specs[i]);
1825 /* Generate extra declarations. */
1828 for (i = 0; i < add_count; ++i)
1829 fprintf (out, " %s\n", add_specs[i]);
1831 /* Generate an entry for the class object. */
1832 generate_access (out, ACC_PUBLIC);
1833 fprintf (out, "\n static ::java::lang::Class class$;\n");
1835 fputs ("};\n", out);
1837 if (append_count > 0)
1839 for (i = 0; i < append_count; ++i)
1840 fprintf (out, "%s\n", append_specs[i]);
1843 print_mangled_classname (out, jcf,
1844 "\n#endif /* __", jcf->this_class);
1845 fprintf (out, "__ */\n");
1851 /* This is used to mark options with no short value. */
1852 #define LONG_OPT(Num) ((Num) + 128)
1854 #define OPT_classpath LONG_OPT (0)
1855 #define OPT_CLASSPATH LONG_OPT (1)
1856 #define OPT_HELP LONG_OPT (2)
1857 #define OPT_TEMP LONG_OPT (3)
1858 #define OPT_VERSION LONG_OPT (4)
1859 #define OPT_PREPEND LONG_OPT (5)
1860 #define OPT_FRIEND LONG_OPT (6)
1861 #define OPT_ADD LONG_OPT (7)
1862 #define OPT_APPEND LONG_OPT (8)
1863 #define OPT_M LONG_OPT (9)
1864 #define OPT_MM LONG_OPT (10)
1865 #define OPT_MG LONG_OPT (11)
1866 #define OPT_MD LONG_OPT (12)
1867 #define OPT_MMD LONG_OPT (13)
1869 static struct option options[] =
1871 { "classpath", required_argument, NULL, OPT_classpath },
1872 { "CLASSPATH", required_argument, NULL, OPT_CLASSPATH },
1873 { "help", no_argument, NULL, OPT_HELP },
1874 { "stubs", no_argument, &stubs, 1 },
1875 { "td", required_argument, NULL, OPT_TEMP },
1876 { "verbose", no_argument, NULL, 'v' },
1877 { "version", no_argument, NULL, OPT_VERSION },
1878 { "prepend", required_argument, NULL, OPT_PREPEND },
1879 { "friend", required_argument, NULL, OPT_FRIEND },
1880 { "add", required_argument, NULL, OPT_ADD },
1881 { "append", required_argument, NULL, OPT_APPEND },
1882 { "M", no_argument, NULL, OPT_M },
1883 { "MM", no_argument, NULL, OPT_MM },
1884 { "MG", no_argument, NULL, OPT_MG },
1885 { "MD", no_argument, NULL, OPT_MD },
1886 { "MMD", no_argument, NULL, OPT_MMD },
1887 { "jni", no_argument, &flag_jni, 1 },
1888 { NULL, no_argument, NULL, 0 }
1894 fprintf (stderr, "Try `gcjh --help' for more information.\n");
1901 printf ("Usage: gcjh [OPTION]... CLASS...\n\n");
1902 printf ("Generate C++ header files from .class files\n\n");
1903 printf (" -stubs Generate an implementation stub file\n");
1904 printf (" -jni Generate a JNI header or stub\n");
1906 printf (" -add TEXT Insert TEXT into class body\n");
1907 printf (" -append TEXT Insert TEXT after class declaration\n");
1908 printf (" -friend TEXT Insert TEXT as `friend' declaration\n");
1909 printf (" -prepend TEXT Insert TEXT before start of class\n");
1911 printf (" --classpath PATH Set path to find .class files\n");
1912 printf (" --CLASSPATH PATH Set path to find .class files\n");
1913 printf (" -IDIR Append directory to class path\n");
1914 printf (" -d DIRECTORY Set output directory name\n");
1915 printf (" -o FILE Set output file name\n");
1916 printf (" -td DIRECTORY Set temporary directory name\n");
1918 printf (" --help Print this help, then exit\n");
1919 printf (" --version Print version number, then exit\n");
1920 printf (" -v, --verbose Print extra information while running\n");
1922 printf (" -M Print all dependencies to stdout;\n");
1923 printf (" suppress ordinary output\n");
1924 printf (" -MM Print non-system dependencies to stdout;\n");
1925 printf (" suppress ordinary output\n");
1926 printf (" -MD Print all dependencies to stdout\n");
1927 printf (" -MMD Print non-system dependencies to stdout\n");
1928 /* We omit -MG until it is implemented. */
1930 printf ("For bug reporting instructions, please see:\n");
1931 printf ("%s.\n", GCCBUGURL);
1938 printf ("gcjh (%s)\n\n", version_string);
1939 printf ("Copyright (C) 1998, 1999 Free Software Foundation, Inc.\n");
1940 printf ("This is free software; see the source for copying conditions. There is NO\n");
1941 printf ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n");
1946 DEFUN(main, (argc, argv),
1947 int argc AND char** argv)
1951 char *output_file = NULL;
1952 int emit_dependencies = 0, suppress_output = 0;
1957 fprintf (stderr, "gcjh: no classes specified\n");
1963 /* We use getopt_long_only to allow single `-' long options. For
1964 some of our options this is more natural. */
1965 while ((opt = getopt_long_only (argc, argv, "I:d:o:v", options, NULL)) != -1)
1970 /* Already handled. */
1974 output_file = optarg;
1978 output_directory = optarg;
1982 jcf_path_include_arg (optarg);
1990 jcf_path_classpath_arg (optarg);
1994 jcf_path_CLASSPATH_arg (optarg);
2002 temp_directory = optarg;
2010 if (prepend_count == 0)
2011 prepend_specs = (char**) ALLOC (argc * sizeof (char*));
2012 prepend_specs[prepend_count++] = optarg;
2016 if (friend_count == 0)
2017 friend_specs = (char**) ALLOC (argc * sizeof (char*));
2018 friend_specs[friend_count++] = optarg;
2023 add_specs = (char**) ALLOC (argc * sizeof (char*));
2024 add_specs[add_count++] = optarg;
2028 if (append_count == 0)
2029 append_specs = (char**) ALLOC (argc * sizeof (char*));
2030 append_specs[append_count++] = optarg;
2034 emit_dependencies = 1;
2035 suppress_output = 1;
2036 jcf_dependency_init (1);
2040 emit_dependencies = 1;
2041 suppress_output = 1;
2042 jcf_dependency_init (0);
2046 fprintf (stderr, "gcjh: `-MG' option is unimplemented\n");
2050 emit_dependencies = 1;
2051 jcf_dependency_init (1);
2055 emit_dependencies = 1;
2056 jcf_dependency_init (0);
2067 fprintf (stderr, "gcjh: no classes specified\n");
2073 if (output_file && emit_dependencies)
2075 fprintf (stderr, "gcjh: can't specify both -o and -MD\n");
2079 for (argi = optind; argi < argc; argi++)
2081 char *classname = argv[argi];
2082 char *current_output_file;
2083 const char *classfile_name;
2086 fprintf (stderr, "Processing %s\n", classname);
2088 jcf_dependency_reset ();
2089 classfile_name = find_class (classname, strlen (classname), &jcf, 0);
2090 if (classfile_name == NULL)
2092 fprintf (stderr, "%s: no such class\n", classname);
2096 fprintf (stderr, "Found in %s\n", classfile_name);
2099 if (strcmp (output_file, "-") == 0)
2101 else if (out == NULL)
2103 out = fopen (output_file, "w");
2107 perror (output_file);
2110 current_output_file = output_file;
2114 int dir_len = strlen (output_directory);
2115 int i, classname_length = strlen (classname);
2116 current_output_file = (char*) ALLOC (dir_len + classname_length + 5);
2117 strcpy (current_output_file, output_directory);
2118 if (dir_len > 0 && output_directory[dir_len-1] != '/')
2119 current_output_file[dir_len++] = '/';
2120 for (i = 0; classname[i] != '\0'; i++)
2122 char ch = classname[i];
2125 if (flag_jni && ch == '/')
2127 current_output_file[dir_len++] = ch;
2129 if (emit_dependencies)
2131 if (suppress_output)
2133 jcf_dependency_set_dep_file ("-");
2138 /* We use `.hd' and not `.d' to avoid clashes with
2139 dependency tracking from straight compilation. */
2140 strcpy (current_output_file + dir_len, ".hd");
2141 jcf_dependency_set_dep_file (current_output_file);
2144 strcpy (current_output_file + dir_len,
2145 stubs ? (flag_jni ? ".c" : ".cc") : ".h");
2146 jcf_dependency_set_target (current_output_file);
2147 if (! suppress_output)
2149 out = fopen (current_output_file, "w");
2152 perror (current_output_file);
2157 process_file (&jcf, out);
2159 if (current_output_file != output_file)
2160 free (current_output_file);
2161 jcf_dependency_write ();
2164 if (out != NULL && out != stdout)