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 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 #define HANDLE_METHOD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \
188 decompiled = 0; method_printed = 0; \
190 print_method_info (out, jcf, NAME, SIGNATURE, ACCESS_FLAGS); \
193 print_method_info (NULL, jcf, NAME, SIGNATURE, ACCESS_FLAGS); \
194 else if (! stubs) add_class_decl (out, jcf, SIGNATURE);
196 #define HANDLE_CODE_ATTRIBUTE(MAX_STACK, MAX_LOCALS, CODE_LENGTH) \
197 if (out && method_declared) decompile_method (out, jcf, CODE_LENGTH);
199 static int decompiled = 0;
200 #define HANDLE_END_METHOD() \
201 if (out && method_printed) fputs (decompiled || stubs ? "\n" : ";\n", out);
203 #include "jcf-reader.c"
205 /* Some useful constants. */
206 #define F_NAN_MASK 0x7f800000
207 #if (1 == HOST_FLOAT_WORDS_BIG_ENDIAN) && ! defined (HOST_WORDS_BIG_ENDIAN)
208 #define D_NAN_MASK 0x000000007ff00000LL
210 #define D_NAN_MASK 0x7ff0000000000000LL
213 /* Return 1 if F is not Inf or NaN. */
215 java_float_finite (f)
221 /* We happen to know that F_NAN_MASK will match all NaN values, and
222 also positive and negative infinity. That's why we only need one
223 test here. See The Java Language Specification, section 20.9. */
224 return (u.i & F_NAN_MASK) != F_NAN_MASK;
227 /* Return 1 if D is not Inf or NaN. */
229 java_double_finite (d)
235 /* Now check for all NaNs. */
236 return (u.l & D_NAN_MASK) != D_NAN_MASK;
239 /* Print a character, appropriately mangled for JNI. */
242 jni_print_char (stream, ch)
247 jcf_print_char (stream, ch);
248 else if (ch == '(' || ch == ')')
253 fputs ("_1", stream);
255 fputs ("_2", stream);
257 fputs ("_3", stream);
260 else if ((ch >= '0' && ch <= '9')
261 || (ch >= 'a' && ch <= 'z')
262 || (ch >= 'A' && ch <= 'Z'))
266 /* "Unicode" character. */
267 fprintf (stream, "_0%04x", ch);
271 /* Print a name from the class data. If the index does not point to a
272 string, an error results. */
275 DEFUN(print_name, (stream, jcf, name_index),
276 FILE* stream AND JCF* jcf AND int name_index)
278 if (JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8)
280 fprintf (stream, "<not a UTF8 constant>");
284 jcf_print_utf8 (stream, JPOOL_UTF_DATA (jcf, name_index),
285 JPOOL_UTF_LENGTH (jcf, name_index));
288 /* For JNI we must correctly quote each character. */
289 const unsigned char *str = JPOOL_UTF_DATA (jcf, name_index);
290 int length = JPOOL_UTF_LENGTH (jcf, name_index);
291 const unsigned char *limit = str + length;
294 int ch = UTF8_GET (str, limit);
297 fprintf (stream, "\\<invalid>");
300 jni_print_char (stream, ch);
305 /* Print base name of class. The base name is everything after the
309 print_base_classname (stream, jcf, index)
314 int name_index = JPOOL_USHORT1 (jcf, index);
316 const unsigned char *s, *p, *limit;
318 s = JPOOL_UTF_DATA (jcf, name_index);
319 len = JPOOL_UTF_LENGTH (jcf, name_index);
324 int c = UTF8_GET (s, limit);
331 int ch = UTF8_GET (p, limit);
333 fputs ("::", stream);
335 jcf_print_char (stream, ch);
339 /* Return 0 if NAME is equal to STR, -1 if STR is "less" than NAME,
340 and 1 if STR is "greater" than NAME. */
343 utf8_cmp (str, length, name)
344 const unsigned char *str;
348 const unsigned char *limit = str + length;
351 for (i = 0; name[i]; ++i)
353 int ch = UTF8_GET (str, limit);
358 return str == limit ? 0 : 1;
361 /* This is a sorted list of all C++ keywords. */
363 static const char *cxx_keywords[] =
399 /* If NAME is the name of a C++ keyword, then return an override name.
400 This is a name that can be used in place of the keyword.
401 Otherwise, return NULL. The return value is malloc()d. */
404 cxx_keyword_subst (str, length)
405 const unsigned char *str;
408 int last = sizeof (cxx_keywords) / sizeof (const char *);
412 while (last != first)
414 mid = (last + first) / 2;
415 r = utf8_cmp (str, length, cxx_keywords[mid]);
418 char *str = xmalloc (9 + strlen (cxx_keywords[mid]));
419 strcpy (str, "__dummy_");
420 strcat (str, cxx_keywords[mid]);
431 /* Generate an access control keyword based on FLAGS. */
434 generate_access (stream, flags)
438 if ((flags & ACC_VISIBILITY) == last_access)
440 last_access = (flags & ACC_VISIBILITY);
445 fputs ("public: // actually package-private\n", stream);
448 fputs ("public:\n", stream);
451 fputs ("private:\n", stream);
454 fputs ("public: // actually protected\n", stream);
458 fprintf (stream, "#error unrecognized visibility %d\n",
459 (flags & ACC_VISIBILITY));
464 /* See if NAME is already the name of a method. */
466 name_is_method_p (name, length)
467 const unsigned char *name;
470 struct method_name *p;
472 for (p = method_name_list; p != NULL; p = p->next)
474 if (p->length == length && ! memcmp (p->name, name, length))
480 /* If there is already a method named NAME, whose signature is not
481 SIGNATURE, then return true. Otherwise return false. */
483 overloaded_jni_method_exists_p (name, length, signature, sig_length)
484 const unsigned char *name;
486 const char *signature;
489 struct method_name *p;
491 for (p = method_name_list; p != NULL; p = p->next)
493 if (p->length == length
494 && ! memcmp (p->name, name, length)
495 && (p->sig_length != sig_length
496 || memcmp (p->signature, signature, sig_length)))
502 /* Get name of a field. This handles renamings due to C++ clash. */
504 get_field_name (jcf, name_index, flags)
509 unsigned char *name = JPOOL_UTF_DATA (jcf, name_index);
510 int length = JPOOL_UTF_LENGTH (jcf, name_index);
513 if (name_is_method_p (name, length))
515 /* This field name matches a method. So override the name with
516 a dummy name. This is yucky, but it isn't clear what else to
517 do. FIXME: if the field is static, then we'll be in real
519 if ((flags & ACC_STATIC))
521 fprintf (stderr, "static field has same name as method\n");
526 override = xmalloc (length + 3);
527 memcpy (override, name, length);
528 strcpy (override + length, "__");
531 override = cxx_keyword_subst (name, length);
536 /* Print a field name. Convenience function for use with
539 print_field_name (stream, jcf, name_index, flags)
545 char *override = get_field_name (jcf, name_index, flags);
549 fputs (override, stream);
553 jcf_print_utf8 (stream, JPOOL_UTF_DATA (jcf, name_index),
554 JPOOL_UTF_LENGTH (jcf, name_index));
558 DEFUN(print_field_info, (stream, jcf, name_index, sig_index, flags),
559 FILE *stream AND JCF* jcf
560 AND int name_index AND int sig_index AND JCF_u2 flags)
562 char *override = NULL;
564 generate_access (stream, flags);
565 if (JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8)
567 fprintf (stream, "<not a UTF8 constant>");
573 if ((flags & ACC_STATIC))
574 fputs ("static ", out);
576 if ((flags & ACC_FINAL))
578 if (current_field_value > 0)
583 switch (JPOOL_TAG (jcf, current_field_value))
585 case CONSTANT_Integer:
588 int most_negative = 0;
589 fputs ("const jint ", out);
590 print_field_name (out, jcf, name_index, 0);
592 num = JPOOL_INT (jcf, current_field_value);
593 /* We single out the most negative number to print
594 specially. This avoids later warnings from g++. */
595 if (num == (jint) 0x80000000)
600 format_int (buffer, (jlong) num, 10);
601 fprintf (out, "%sL%s;\n", buffer, most_negative ? " - 1" : "");
607 int most_negative = 0;
608 fputs ("const jlong ", out);
609 print_field_name (out, jcf, name_index, 0);
611 num = JPOOL_LONG (jcf, current_field_value);
612 /* We single out the most negative number to print
613 specially.. This avoids later warnings from g++. */
614 if (num == (jlong) 0x8000000000000000LL)
619 format_int (buffer, num, 10);
620 fprintf (out, "%sLL%s;\n", buffer, most_negative ? " - 1" :"");
625 jfloat fnum = JPOOL_FLOAT (jcf, current_field_value);
626 fputs ("const jfloat ", out);
627 print_field_name (out, jcf, name_index, 0);
628 if (! java_float_finite (fnum))
631 fprintf (out, " = %.10g;\n", fnum);
634 case CONSTANT_Double:
636 jdouble dnum = JPOOL_DOUBLE (jcf, current_field_value);
637 fputs ("const jdouble ", out);
638 print_field_name (out, jcf, name_index, 0);
639 if (! java_double_finite (dnum))
642 fprintf (out, " = %.17g;\n", dnum);
646 /* We can't print this as a constant, but we can still
647 print something sensible. */
657 override = get_field_name (jcf, name_index, flags);
658 print_c_decl (out, jcf, name_index, sig_index, 0, override, flags);
666 DEFUN(print_method_info, (stream, jcf, name_index, sig_index, flags),
667 FILE *stream AND JCF* jcf
668 AND int name_index AND int sig_index AND JCF_u2 flags)
670 const unsigned char *str;
671 int length, is_init = 0;
672 char *override = NULL;
675 method_access = flags;
676 if (stream && JPOOL_TAG (jcf, name_index) != CONSTANT_Utf8)
677 fprintf (stream, "<not a UTF8 constant>");
678 str = JPOOL_UTF_DATA (jcf, name_index);
679 length = JPOOL_UTF_LENGTH (jcf, name_index);
680 if (str[0] == '<' || str[0] == '$')
682 /* Ignore internally generated methods like <clinit> and
683 $finit$. However, treat <init> as a constructor. */
684 if (! utf8_cmp (str, length, "<init>"))
686 else if (! METHOD_IS_FINAL (jcf->access_flags, flags)
687 && ! (flags & ACC_STATIC))
689 /* FIXME: i18n bug here. Order of prints should not be
691 fprintf (stderr, "ignored method `");
692 jcf_print_utf8 (stderr, str, length);
693 fprintf (stderr, "' marked virtual\n");
702 struct method_name *nn;
704 nn = (struct method_name *) xmalloc (sizeof (struct method_name));
705 nn->name = (char *) xmalloc (length);
706 memcpy (nn->name, str, length);
708 nn->next = method_name_list;
709 nn->sig_length = JPOOL_UTF_LENGTH (jcf, sig_index);
710 nn->signature = (char *) xmalloc (nn->sig_length);
711 memcpy (nn->signature, JPOOL_UTF_DATA (jcf, sig_index),
713 method_name_list = nn;
716 /* If we're not printing, then the rest of this function doesn't
717 matter. This happens during the first method pass in JNI mode.
722 /* We don't worry about overrides in JNI mode. */
725 /* We can't generate a method whose name is a C++ reserved word.
726 We can't just ignore the function, because that will cause
727 incorrect code to be generated if the function is virtual
728 (not only for calls to this function for for other functions
729 after it in the vtbl). So we give it a dummy name instead. */
730 override = cxx_keyword_subst (str, length);
733 /* If the method is static or final, we can safely skip it.
734 If we don't skip it then we'll have problems since the
735 mangling will be wrong. FIXME. */
736 if (METHOD_IS_FINAL (jcf->access_flags, flags)
737 || (flags & ACC_STATIC))
745 if (! stubs && ! flag_jni)
749 generate_access (stream, flags);
752 if ((flags & ACC_STATIC))
753 fputs ("static ", out);
754 else if (! METHOD_IS_FINAL (jcf->access_flags, flags))
756 /* Don't print `virtual' if we have a constructor. */
758 fputs ("virtual ", out);
760 print_c_decl (out, jcf, name_index, sig_index, is_init, override, flags);
762 if ((flags & ACC_ABSTRACT))
769 if (METHOD_IS_NATIVE (flags))
772 print_stub_or_jni (out, jcf, name_index, sig_index,
773 is_init, override, flags);
781 /* Try to decompile a method body. Right now we just try to handle a
782 simple case that we can do. Expand as desired. */
784 decompile_method (out, jcf, code_len)
789 const unsigned char *codes = jcf->read_ptr;
791 uint16 name_and_type, name;
793 /* If the method is synchronized, don't touch it. */
794 if ((method_access & ACC_SYNCHRONIZED))
798 && codes[0] == OPCODE_aload_0
799 && codes[1] == OPCODE_getfield
800 && (codes[4] == OPCODE_areturn
801 || codes[4] == OPCODE_dreturn
802 || codes[4] == OPCODE_freturn
803 || codes[4] == OPCODE_ireturn
804 || codes[4] == OPCODE_lreturn))
806 /* Found code like `return FIELD'. */
807 fputs (" { return ", out);
808 index = (codes[2] << 8) | codes[3];
809 /* FIXME: ensure that tag is CONSTANT_Fieldref. */
810 /* FIXME: ensure that the field's class is this class. */
811 name_and_type = JPOOL_USHORT2 (jcf, index);
812 /* FIXME: ensure that tag is CONSTANT_NameAndType. */
813 name = JPOOL_USHORT1 (jcf, name_and_type);
815 print_field_name (out, jcf, name, 0);
819 else if (code_len == 2
820 && codes[0] == OPCODE_aload_0
821 && codes[1] == OPCODE_areturn)
823 /* Found `return this'. */
824 fputs (" { return this; }", out);
827 else if (code_len == 1 && codes[0] == OPCODE_return)
829 /* Found plain `return'. */
833 else if (code_len == 2
834 && codes[0] == OPCODE_aconst_null
835 && codes[1] == OPCODE_areturn)
837 /* Found `return null'. We don't want to depend on NULL being
839 fputs (" { return 0; }", out);
844 /* Print one piece of a signature. Returns pointer to next parseable
845 character on success, NULL on error. */
846 static const unsigned char *
847 decode_signature_piece (stream, signature, limit, need_space)
849 const unsigned char *signature, *limit;
855 switch (signature[0])
858 /* More spaghetti. */
861 for (signature++; (signature < limit
863 && *signature <= '9'); signature++)
868 ctype = "jbyteArray";
871 ctype = "jcharArray";
874 ctype = "jdoubleArray";
877 ctype = "jfloatArray";
883 ctype = "jshortArray";
886 ctype = "jlongArray";
889 ctype = "jbooleanArray";
892 /* We have a nested array. */
895 fputs ("JArray<", stream);
899 /* We have to generate a reference to JArray here, so that
900 our output matches what the compiler does. */
902 /* Space between `<' and `:' to avoid C++ digraphs. */
904 fputs ("JArray< ::", stream);
905 while (signature < limit && *signature != ';')
907 int ch = UTF8_GET (signature, limit);
911 fputs ("::", stream);
913 jcf_print_char (stream, ch);
917 fputs (" *> *", stream);
922 /* Unparseable signature. */
926 /* If the previous iterations left us with something to print,
927 print it. For JNI, we always print `jobjectArray' in the
929 if (flag_jni && ctype == NULL)
931 ctype = "jobjectArray";
934 /* The `printit' case will advance SIGNATURE for us. If we
935 don't go there, we must advance past the `;' ourselves. */
943 /* This shouldn't happen. */
946 case 'B': ctype = "jbyte"; goto printit;
947 case 'C': ctype = "jchar"; goto printit;
948 case 'D': ctype = "jdouble"; goto printit;
949 case 'F': ctype = "jfloat"; goto printit;
950 case 'I': ctype = "jint"; goto printit;
951 case 'J': ctype = "jlong"; goto printit;
952 case 'S': ctype = "jshort"; goto printit;
953 case 'Z': ctype = "jboolean"; goto printit;
954 case 'V': ctype = "void"; goto printit;
958 /* We know about certain types and special-case their
960 FIXME: something like java.lang.Exception should be
961 printed as `jthrowable', because it is a subclass. This
962 means that gcjh must read the entire hierarchy and
964 if (! strncmp (signature, "Ljava/lang/String;",
965 sizeof ("Ljava/lang/String;") -1))
967 else if (! strncmp (signature, "Ljava/lang/Class;",
968 sizeof ("Ljava/lang/Class;") - 1))
970 else if (! strncmp (signature, "Ljava/lang/Throwable;",
971 sizeof ("Ljava/lang/Throwable;") - 1))
972 ctype = "jthrowable";
973 else if (! strncmp (signature, "Ljava/lang/ref/WeakReference;",
974 sizeof ("Ljava/lang/ref/WeakReference;") - 1))
979 while (*signature && *signature != ';')
984 /* Print a leading "::" so we look in the right namespace. */
985 fputs ("::", stream);
987 while (*signature && *signature != ';')
989 int ch = UTF8_GET (signature, limit);
990 /* `$' is the separator for an inner class. */
991 if (ch == '/' || ch == '$')
992 fputs ("::", stream);
994 jcf_print_char (stream, ch);
996 fputs (" *", stream);
997 if (*signature == ';')
1003 jni_print_char (stream, *signature++);
1008 fputs (ctype, stream);
1014 while (array_depth-- > 0)
1015 fputs ("> *", stream);
1022 DEFUN(print_c_decl, (stream, jcf, name_index, signature_index, is_init,
1023 name_override, flags),
1024 FILE* stream AND JCF* jcf
1025 AND int name_index AND int signature_index
1026 AND int is_init AND const char *name_override AND int flags)
1028 if (JPOOL_TAG (jcf, signature_index) != CONSTANT_Utf8)
1030 fprintf (stream, "<not a UTF8 constant>");
1035 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1036 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1037 register const unsigned char *str = str0;
1038 const unsigned char *limit = str + length;
1040 int is_method = str[0] == '(';
1041 const unsigned char *next;
1043 /* If printing a method, skip to the return signature and print
1044 that first. However, there is no return value if this is a
1046 if (is_method && ! is_init)
1056 /* If printing a field or an ordinary method, then print the
1057 "return value" now. */
1058 if (! is_method || ! is_init)
1060 next = decode_signature_piece (stream, str, limit, &need_space);
1063 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1069 /* Now print the name of the thing. */
1071 fputs (" ", stream);
1072 print_full_cxx_name (stream, jcf, name_index,
1073 signature_index, is_init, name_override,
1078 /* Print the unqualified method name followed by the signature. */
1080 DEFUN(print_full_cxx_name, (stream, jcf, name_index, signature_index,
1081 is_init, name_override, flags),
1082 FILE* stream AND JCF* jcf
1083 AND int name_index AND int signature_index AND int is_init
1084 AND const char *name_override AND int flags)
1086 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1087 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1088 register const unsigned char *str = str0;
1089 const unsigned char *limit = str + length;
1091 int is_method = str[0] == '(';
1092 const unsigned char *next;
1095 fputs (name_override, stream);
1096 else if (name_index)
1098 /* Declare constructors specially. */
1100 print_base_classname (stream, jcf, jcf->this_class);
1102 print_name (stream, jcf, name_index);
1107 unsigned char *signature = JPOOL_UTF_DATA (jcf, signature_index);
1108 int sig_len = JPOOL_UTF_LENGTH (jcf, signature_index);
1109 if (overloaded_jni_method_exists_p (JPOOL_UTF_DATA (jcf, name_index),
1110 JPOOL_UTF_LENGTH (jcf, name_index),
1111 signature, sig_len))
1113 /* If this method is overloaded by another native method,
1114 then include the argument information in the mangled
1116 unsigned char *limit = signature + sig_len;
1117 fputs ("__", stream);
1118 while (signature < limit)
1120 int ch = UTF8_GET (signature, limit);
1121 jni_print_char (stream, ch);
1133 /* Have a method or a constructor. Print signature pieces
1135 fputs (" (", stream);
1139 /* In JNI mode, add extra arguments. */
1142 /* FIXME: it would be nice to know if we are printing a decl
1143 or a definition, and only print `env' for the latter. */
1144 fputs ("JNIEnv *env", stream);
1146 fputs ((flags & ACC_STATIC) ? ", jclass" : ", jobject", stream);
1149 fputs (", ", stream);
1152 while (str < limit && *str != ')')
1154 next = decode_signature_piece (stream, str, limit, &need_space);
1157 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1162 if (next < limit && *next != ')')
1163 fputs (", ", stream);
1167 fputs (")", stream);
1171 /* This is a helper for print_stub_or_jni. */
1173 DEFUN (print_name_for_stub_or_jni, (stream, jcf, name_index, signature_index,
1174 is_init, name_override, flags),
1175 FILE *stream AND JCF *jcf
1176 AND int name_index AND int signature_index
1177 AND int is_init AND const char *name_override AND int flags)
1179 const char *const prefix = flag_jni ? "Java_" : "";
1180 print_cxx_classname (stream, prefix, jcf, jcf->this_class);
1181 fputs (flag_jni ? "_" : "::", stream);
1182 print_full_cxx_name (stream, jcf, name_index,
1183 signature_index, is_init, name_override,
1188 DEFUN(print_stub_or_jni, (stream, jcf, name_index, signature_index, is_init,
1189 name_override, flags),
1190 FILE* stream AND JCF* jcf
1191 AND int name_index AND int signature_index
1192 AND int is_init AND const char *name_override AND int flags)
1194 if (JPOOL_TAG (jcf, signature_index) != CONSTANT_Utf8)
1196 fprintf (stream, "<not a UTF8 constant>");
1201 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1202 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1203 register const unsigned char *str = str0;
1204 const unsigned char *limit = str + length;
1206 int is_method = str[0] == '(';
1207 const unsigned char *next;
1209 /* Don't print fields in the JNI case. */
1210 if (! is_method && flag_jni)
1213 if (flag_jni && ! stubs)
1214 fputs ("extern ", stream);
1216 /* If printing a method, skip to the return signature and print
1217 that first. However, there is no return value if this is a
1219 if (is_method && ! is_init)
1229 /* If printing a field or an ordinary method, then print the
1230 "return value" now. Note that a constructor can't be native,
1231 so we don't bother checking this in the JNI case. */
1232 if (! is_method || ! is_init)
1234 next = decode_signature_piece (stream, str, limit, &need_space);
1237 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1243 /* When printing a JNI header we need to respect the space. In
1244 other cases we're just going to insert a newline anyway. */
1245 fputs (need_space && ! stubs ? " " : "\n", stream);
1247 /* Now print the name of the thing. */
1248 print_name_for_stub_or_jni (stream, jcf, name_index,
1249 signature_index, is_init, name_override,
1252 /* Print the body. */
1256 fputs ("\n{\n (*env)->FatalError (\"", stream);
1258 fputs ("\n{\n JvFail (\"", stream);
1259 print_name_for_stub_or_jni (stream, jcf, name_index,
1260 signature_index, is_init,
1263 fputs (" not implemented\");\n}\n\n", stream);
1269 DEFUN(print_mangled_classname, (stream, jcf, prefix, index),
1270 FILE *stream AND JCF *jcf AND const char *prefix AND int index)
1272 int name_index = JPOOL_USHORT1 (jcf, index);
1273 fputs (prefix, stream);
1274 jcf_print_utf8_replace (out,
1275 JPOOL_UTF_DATA (jcf, name_index),
1276 JPOOL_UTF_LENGTH (jcf, name_index),
1280 /* Print PREFIX, then a class name in C++ format. If the name refers
1281 to an array, ignore it and don't print PREFIX. Returns 1 if
1282 something was printed, 0 otherwise. */
1284 print_cxx_classname (stream, prefix, jcf, index)
1290 int name_index = JPOOL_USHORT1 (jcf, index);
1292 const unsigned char *s, *p, *limit;
1294 s = JPOOL_UTF_DATA (jcf, name_index);
1295 len = JPOOL_UTF_LENGTH (jcf, name_index);
1298 /* Explicitly omit arrays here. */
1300 c = UTF8_GET (p, limit);
1304 fputs (prefix, stream);
1306 /* Print a leading "::" so we look in the right namespace. */
1307 if (! flag_jni && ! stubs)
1308 fputs ("::", stream);
1312 c = UTF8_GET (s, limit);
1314 fputs (flag_jni ? "_" : "::", stream);
1316 jni_print_char (stream, c);
1322 int written_class_count = 0;
1324 /* Return name of superclass. If LEN is not NULL, fill it with length
1326 static const unsigned char *
1327 super_class_name (derived_jcf, len)
1331 int supername_index = JPOOL_USHORT1 (derived_jcf, derived_jcf->super_class);
1332 int supername_length = JPOOL_UTF_LENGTH (derived_jcf, supername_index);
1333 const unsigned char *supername =
1334 JPOOL_UTF_DATA (derived_jcf, supername_index);
1337 *len = supername_length;
1344 /* We keep track of all the `#include's we generate, so we can avoid
1349 struct include *next;
1352 /* List of all includes. */
1353 static struct include *all_includes = NULL;
1355 /* Generate a #include. */
1357 print_include (out, utf8, len)
1359 const unsigned char *utf8;
1362 struct include *incl;
1368 len = strlen (utf8);
1370 for (incl = all_includes; incl; incl = incl->next)
1372 /* We check the length because we might have a proper prefix. */
1373 if (len == (int) strlen (incl->name)
1374 && ! strncmp (incl->name, utf8, len))
1378 incl = (struct include *) xmalloc (sizeof (struct include));
1379 incl->name = xmalloc (len + 1);
1380 strncpy (incl->name, utf8, len);
1381 incl->name[len] = '\0';
1382 incl->next = all_includes;
1383 all_includes = incl;
1385 fputs ("#include <", out);
1386 jcf_print_utf8_replace (out, utf8, len,
1388 flag_jni ? '_' : '/');
1389 fputs (".h>\n", out);
1394 /* This is used to represent part of a package or class name. */
1397 /* The text of this part of the name. */
1399 /* True if this represents a class. */
1401 /* Linked list of all classes and packages inside this one. */
1402 struct namelet *subnamelets;
1403 /* Pointer to next sibling. */
1404 struct namelet *next;
1407 static void add_namelet PARAMS ((const unsigned char *,
1408 const unsigned char *, struct namelet *));
1409 static void print_namelet PARAMS ((FILE *, struct namelet *, int));
1411 /* The special root namelet. */
1412 static struct namelet root =
1420 /* This extracts the next name segment from the full UTF-8 encoded
1421 package or class name and links it into the tree. It does this
1424 add_namelet (name, name_limit, parent)
1425 const unsigned char *name, *name_limit;
1426 struct namelet *parent;
1428 const unsigned char *p;
1429 struct namelet *n = NULL, *np;
1431 /* We want to skip the standard namespaces that we assume the
1432 runtime already knows about. We only do this at the top level,
1433 though, hence the check for `root'. */
1434 if (parent == &root)
1436 #define JAVALANG "java/lang/"
1437 #define JAVAIO "java/io/"
1438 #define JAVAUTIL "java/util/"
1439 if ((name_limit - name >= (int) sizeof (JAVALANG) - 1
1440 && ! strncmp (name, JAVALANG, sizeof (JAVALANG) - 1))
1441 || (name_limit - name >= (int) sizeof (JAVAUTIL) - 1
1442 && ! strncmp (name, JAVAUTIL, sizeof (JAVAUTIL) - 1))
1443 || (name_limit - name >= (int) sizeof (JAVAIO) - 1
1444 && ! strncmp (name, JAVAIO, sizeof (JAVAIO) - 1)))
1448 for (p = name; p < name_limit && *p != '/' && *p != '$'; ++p)
1451 /* Search for this name beneath the PARENT node. */
1452 for (np = parent->subnamelets; np != NULL; np = np->next)
1454 /* We check the length because we might have a proper prefix. */
1455 if ((int) strlen (np->name) == p - name &&
1456 ! strncmp (name, np->name, p - name))
1465 n = (struct namelet *) xmalloc (sizeof (struct namelet));
1466 n->name = xmalloc (p - name + 1);
1467 strncpy (n->name, name, p - name);
1468 n->name[p - name] = '\0';
1469 n->is_class = (p == name_limit || *p == '$');
1470 n->subnamelets = NULL;
1471 n->next = parent->subnamelets;
1472 parent->subnamelets = n;
1475 /* We recurse if there is more text, and if the trailing piece does
1476 not represent an inner class. */
1477 if (p < name_limit && *p != '$')
1478 add_namelet (p + 1, name_limit, n);
1481 /* Print a single namelet. Destroys namelets while printing. */
1483 print_namelet (out, name, depth)
1485 struct namelet *name;
1493 for (i = 0; i < depth; ++i)
1495 fprintf (out, "%s %s", name->is_class ? "class" : "namespace",
1497 if (name->is_class && name->subnamelets == NULL)
1503 for (i = 0; i < depth; ++i)
1509 c = name->subnamelets;
1512 struct namelet *next = c->next;
1513 print_namelet (out, c, depth + 2);
1521 for (i = 0; i < depth; ++i)
1524 /* Only print a `;' when printing a class. C++ is evil. */
1534 /* This is called to add some classes to the list of classes for which
1535 we need decls. The signature argument can be a function
1538 add_class_decl (out, jcf, signature)
1543 const unsigned char *s = JPOOL_UTF_DATA (jcf, signature);
1544 int len = JPOOL_UTF_LENGTH (jcf, signature);
1546 /* Name of class we are processing. */
1547 int name_index = JPOOL_USHORT1 (jcf, jcf->this_class);
1548 int tlen = JPOOL_UTF_LENGTH (jcf, name_index);
1549 const char *tname = JPOOL_UTF_DATA (jcf, name_index);
1551 for (i = 0; i < len; ++i)
1553 int start, saw_dollar;
1555 /* If we see an array, then we include the array header. */
1558 print_include (out, "gcj/array", -1);
1562 /* We're looking for `L<stuff>;' -- everything else is
1568 for (start = ++i; i < len && s[i] != ';'; ++i)
1570 if (! saw_dollar && s[i] == '$' && out)
1573 /* If this class represents an inner class, then
1574 generate a `#include' for the outer class. However,
1575 don't generate the include if the outer class is the
1576 class we are processing. */
1577 if (i - start < tlen || strncmp (&s[start], tname, i - start))
1578 print_include (out, &s[start], i - start);
1583 /* If we saw an inner class, then the generated #include will
1584 declare the class. So in this case we needn't bother. */
1586 add_namelet (&s[start], &s[i], &root);
1590 /* Print declarations for all classes required by this class. Any
1591 class or package in the `java' package is assumed to be handled
1592 statically in libjava; we don't generate declarations for these.
1593 This makes the generated headers a bit easier to read. */
1595 print_class_decls (out, jcf, self)
1600 /* Make sure to always add the current class to the list of things
1601 that should be declared. */
1602 int name_index = JPOOL_USHORT1 (jcf, self);
1604 const unsigned char *s;
1606 s = JPOOL_UTF_DATA (jcf, name_index);
1607 len = JPOOL_UTF_LENGTH (jcf, name_index);
1608 add_namelet (s, s + len, &root);
1610 if (root.subnamelets)
1612 fputs ("extern \"Java\"\n{\n", out);
1613 /* We use an initial offset of 0 because the root namelet
1614 doesn't cause anything to print. */
1615 print_namelet (out, &root, 0);
1616 fputs ("};\n\n", out);
1623 DEFUN(process_file, (jcf, out),
1624 JCF *jcf AND FILE *out)
1627 uint32 field_start, method_end, method_start;
1633 if (jcf_parse_preamble (jcf) != 0)
1635 fprintf (stderr, "Not a valid Java .class file.\n");
1640 /* Parse and possibly print constant pool */
1641 code = jcf_parse_constant_pool (jcf);
1644 fprintf (stderr, "error while parsing constant pool\n");
1648 code = verify_constant_pool (jcf);
1651 fprintf (stderr, "error in constant pool entry #%d\n", code);
1656 jcf_parse_class (jcf);
1658 if (written_class_count++ == 0 && out)
1660 const char *cstart, *cstart2, *mode, *cend, *what, *jflag;
1675 mode = " -*- c++ -*-";
1681 fprintf (out, "%s DO NOT EDIT THIS FILE - it is machine generated%s%s\n\n",
1682 cstart, mode, cend);
1685 fprintf (out, "%s This file was created by `gcjh -stubs%s'.%s\n\
1687 %s This file is intended to give you a head start on implementing native\n\
1688 %s methods using %s.\n\
1689 %s Be aware: running `gcjh -stubs %s' once more for this class may\n\
1690 %s overwrite any edits you have made to this file.%s\n\n",
1691 cstart, jflag, mode,
1707 print_mangled_classname (out, jcf, "#ifndef __", jcf->this_class);
1708 fprintf (out, "__\n");
1710 print_mangled_classname (out, jcf, "#define __", jcf->this_class);
1711 fprintf (out, "__\n\n");
1715 fprintf (out, "#include <jni.h>\n\n");
1716 fprintf (out, "#ifdef __cplusplus\n");
1717 fprintf (out, "extern \"C\"\n");
1718 fprintf (out, "{\n");
1719 fprintf (out, "#endif\n");
1723 /* We do this to ensure that inline methods won't be
1724 `outlined' by g++. This works as long as method and
1725 fields are not added by the user. */
1726 fprintf (out, "#pragma interface\n");
1728 if (jcf->super_class)
1731 const unsigned char *supername =
1732 super_class_name (jcf, &super_length);
1735 print_include (out, supername, super_length);
1741 /* Strip off the ".class" portion of the name when printing
1742 the include file name. */
1743 int len = strlen (jcf->classname);
1744 if (len > 6 && ! strcmp (&jcf->classname[len - 6], ".class"))
1746 print_include (out, jcf->classname, len);
1747 print_include (out, "gcj/cni", -1);
1751 /* We want to parse the methods first. But we need to find where
1752 they start. So first we skip the fields, then parse the methods.
1753 Then we parse the fields and skip the methods. This is ugly, but
1754 not too bad since we need two full passes to get class decl
1755 information anyway. */
1757 field_start = JCF_TELL (jcf);
1758 jcf_parse_fields (jcf);
1760 method_start = JCF_TELL (jcf);
1762 jcf_parse_methods (jcf);
1767 if (out && ! flag_jni)
1770 print_class_decls (out, jcf, jcf->this_class);
1772 for (i = 0; i < prepend_count; ++i)
1773 fprintf (out, "%s\n", prepend_specs[i]);
1774 if (prepend_count > 0)
1779 if (! print_cxx_classname (out, "class ", jcf, jcf->this_class))
1781 fprintf (stderr, "class is of array type\n");
1785 if (jcf->super_class)
1787 if (! print_cxx_classname (out, " : public ",
1788 jcf, jcf->super_class))
1790 fprintf (stderr, "base class is of array type\n");
1796 fputs ("\n{\n", out);
1800 /* Now go back for second pass over methods and fields. */
1801 JCF_SEEK (jcf, method_start);
1803 jcf_parse_methods (jcf);
1804 method_end = JCF_TELL (jcf);
1807 JCF_SEEK (jcf, field_start);
1808 jcf_parse_fields (jcf);
1809 JCF_SEEK (jcf, method_end);
1811 jcf_parse_final_attributes (jcf);
1817 fprintf (out, "\n#ifdef __cplusplus\n");
1818 fprintf (out, "}\n");
1819 fprintf (out, "#endif\n");
1823 /* Generate friend decl if we still must. */
1824 for (i = 0; i < friend_count; ++i)
1825 fprintf (out, " friend %s\n", friend_specs[i]);
1827 /* Generate extra declarations. */
1830 for (i = 0; i < add_count; ++i)
1831 fprintf (out, " %s\n", add_specs[i]);
1834 fputs ("};\n", out);
1836 if (append_count > 0)
1838 for (i = 0; i < append_count; ++i)
1839 fprintf (out, "%s\n", append_specs[i]);
1842 print_mangled_classname (out, jcf,
1843 "\n#endif /* __", jcf->this_class);
1844 fprintf (out, "__ */\n");
1850 /* This is used to mark options with no short value. */
1851 #define LONG_OPT(Num) ((Num) + 128)
1853 #define OPT_classpath LONG_OPT (0)
1854 #define OPT_CLASSPATH LONG_OPT (1)
1855 #define OPT_HELP LONG_OPT (2)
1856 #define OPT_TEMP LONG_OPT (3)
1857 #define OPT_VERSION LONG_OPT (4)
1858 #define OPT_PREPEND LONG_OPT (5)
1859 #define OPT_FRIEND LONG_OPT (6)
1860 #define OPT_ADD LONG_OPT (7)
1861 #define OPT_APPEND LONG_OPT (8)
1862 #define OPT_M LONG_OPT (9)
1863 #define OPT_MM LONG_OPT (10)
1864 #define OPT_MG LONG_OPT (11)
1865 #define OPT_MD LONG_OPT (12)
1866 #define OPT_MMD LONG_OPT (13)
1868 static struct option options[] =
1870 { "classpath", required_argument, NULL, OPT_classpath },
1871 { "CLASSPATH", required_argument, NULL, OPT_CLASSPATH },
1872 { "help", no_argument, NULL, OPT_HELP },
1873 { "stubs", no_argument, &stubs, 1 },
1874 { "td", required_argument, NULL, OPT_TEMP },
1875 { "verbose", no_argument, NULL, 'v' },
1876 { "version", no_argument, NULL, OPT_VERSION },
1877 { "prepend", required_argument, NULL, OPT_PREPEND },
1878 { "friend", required_argument, NULL, OPT_FRIEND },
1879 { "add", required_argument, NULL, OPT_ADD },
1880 { "append", required_argument, NULL, OPT_APPEND },
1881 { "M", no_argument, NULL, OPT_M },
1882 { "MM", no_argument, NULL, OPT_MM },
1883 { "MG", no_argument, NULL, OPT_MG },
1884 { "MD", no_argument, NULL, OPT_MD },
1885 { "MMD", no_argument, NULL, OPT_MMD },
1886 { "jni", no_argument, &flag_jni, 1 },
1887 { NULL, no_argument, NULL, 0 }
1893 fprintf (stderr, "Try `gcjh --help' for more information.\n");
1900 printf ("Usage: gcjh [OPTION]... CLASS...\n\n");
1901 printf ("Generate C++ header files from .class files\n\n");
1902 printf (" -stubs Generate an implementation stub file\n");
1903 printf (" -jni Generate a JNI header or stub\n");
1905 printf (" -add TEXT Insert TEXT into class body\n");
1906 printf (" -append TEXT Insert TEXT after class declaration\n");
1907 printf (" -friend TEXT Insert TEXT as `friend' declaration\n");
1908 printf (" -prepend TEXT Insert TEXT before start of class\n");
1910 printf (" --classpath PATH Set path to find .class files\n");
1911 printf (" --CLASSPATH PATH Set path to find .class files\n");
1912 printf (" -IDIR Append directory to class path\n");
1913 printf (" -d DIRECTORY Set output directory name\n");
1914 printf (" -o FILE Set output file name\n");
1915 printf (" -td DIRECTORY Set temporary directory name\n");
1917 printf (" --help Print this help, then exit\n");
1918 printf (" --version Print version number, then exit\n");
1919 printf (" -v, --verbose Print extra information while running\n");
1921 printf (" -M Print all dependencies to stdout;\n");
1922 printf (" suppress ordinary output\n");
1923 printf (" -MM Print non-system dependencies to stdout;\n");
1924 printf (" suppress ordinary output\n");
1925 printf (" -MD Print all dependencies to stdout\n");
1926 printf (" -MMD Print non-system dependencies to stdout\n");
1927 /* We omit -MG until it is implemented. */
1929 printf ("For bug reporting instructions, please see:\n");
1930 printf ("%s.\n", GCCBUGURL);
1937 printf ("gcjh (%s)\n\n", version_string);
1938 printf ("Copyright (C) 1998, 1999 Free Software Foundation, Inc.\n");
1939 printf ("This is free software; see the source for copying conditions. There is NO\n");
1940 printf ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n");
1945 DEFUN(main, (argc, argv),
1946 int argc AND char** argv)
1950 char *output_file = NULL;
1951 int emit_dependencies = 0, suppress_output = 0;
1956 fprintf (stderr, "gcjh: no classes specified\n");
1962 /* We use getopt_long_only to allow single `-' long options. For
1963 some of our options this is more natural. */
1964 while ((opt = getopt_long_only (argc, argv, "I:d:o:v", options, NULL)) != -1)
1969 /* Already handled. */
1973 output_file = optarg;
1977 output_directory = optarg;
1981 jcf_path_include_arg (optarg);
1989 jcf_path_classpath_arg (optarg);
1993 jcf_path_CLASSPATH_arg (optarg);
2001 temp_directory = optarg;
2009 if (prepend_count == 0)
2010 prepend_specs = (char**) ALLOC (argc * sizeof (char*));
2011 prepend_specs[prepend_count++] = optarg;
2015 if (friend_count == 0)
2016 friend_specs = (char**) ALLOC (argc * sizeof (char*));
2017 friend_specs[friend_count++] = optarg;
2022 add_specs = (char**) ALLOC (argc * sizeof (char*));
2023 add_specs[add_count++] = optarg;
2027 if (append_count == 0)
2028 append_specs = (char**) ALLOC (argc * sizeof (char*));
2029 append_specs[append_count++] = optarg;
2033 emit_dependencies = 1;
2034 suppress_output = 1;
2035 jcf_dependency_init (1);
2039 emit_dependencies = 1;
2040 suppress_output = 1;
2041 jcf_dependency_init (0);
2045 fprintf (stderr, "gcjh: `-MG' option is unimplemented\n");
2049 emit_dependencies = 1;
2050 jcf_dependency_init (1);
2054 emit_dependencies = 1;
2055 jcf_dependency_init (0);
2066 fprintf (stderr, "gcjh: no classes specified\n");
2072 if (output_file && emit_dependencies)
2074 fprintf (stderr, "gcjh: can't specify both -o and -MD\n");
2078 for (argi = optind; argi < argc; argi++)
2080 char *classname = argv[argi];
2081 char *current_output_file;
2082 const char *classfile_name;
2085 fprintf (stderr, "Processing %s\n", classname);
2087 jcf_dependency_reset ();
2088 classfile_name = find_class (classname, strlen (classname), &jcf, 0);
2089 if (classfile_name == NULL)
2091 fprintf (stderr, "%s: no such class\n", classname);
2095 fprintf (stderr, "Found in %s\n", classfile_name);
2098 if (strcmp (output_file, "-") == 0)
2100 else if (out == NULL)
2102 out = fopen (output_file, "w");
2106 perror (output_file);
2109 current_output_file = output_file;
2113 int dir_len = strlen (output_directory);
2114 int i, classname_length = strlen (classname);
2115 current_output_file = (char*) ALLOC (dir_len + classname_length + 5);
2116 strcpy (current_output_file, output_directory);
2117 if (dir_len > 0 && output_directory[dir_len-1] != '/')
2118 current_output_file[dir_len++] = '/';
2119 for (i = 0; classname[i] != '\0'; i++)
2121 char ch = classname[i];
2124 if (flag_jni && ch == '/')
2126 current_output_file[dir_len++] = ch;
2128 if (emit_dependencies)
2130 if (suppress_output)
2132 jcf_dependency_set_dep_file ("-");
2137 /* We use `.hd' and not `.d' to avoid clashes with
2138 dependency tracking from straight compilation. */
2139 strcpy (current_output_file + dir_len, ".hd");
2140 jcf_dependency_set_dep_file (current_output_file);
2143 strcpy (current_output_file + dir_len,
2144 stubs ? (flag_jni ? ".c" : ".cc") : ".h");
2145 jcf_dependency_set_target (current_output_file);
2146 if (! suppress_output)
2148 out = fopen (current_output_file, "w");
2151 perror (current_output_file);
2156 process_file (&jcf, out);
2158 if (current_output_file != output_file)
2159 free (current_output_file);
2160 jcf_dependency_write ();
2163 if (out != NULL && out != stdout)