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 (9 + strlen (cxx_keywords[mid]));
444 strcpy (str, "__dummy_");
445 strcat (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 the method is static or final, we can safely skip it.
765 If we don't skip it then we'll have problems since the
766 mangling will be wrong. FIXME. */
767 if (METHOD_IS_FINAL (jcf->access_flags, flags)
768 || (flags & ACC_STATIC))
776 if (! stubs && ! flag_jni)
780 generate_access (stream, flags);
783 if ((flags & ACC_STATIC))
784 fputs ("static ", out);
785 else if (! METHOD_IS_FINAL (jcf->access_flags, flags))
787 /* Don't print `virtual' if we have a constructor. */
789 fputs ("virtual ", out);
791 print_c_decl (out, jcf, name_index, sig_index, is_init, override, flags);
793 if ((flags & ACC_ABSTRACT))
800 if (METHOD_IS_NATIVE (flags))
803 print_stub_or_jni (out, jcf, name_index, sig_index,
804 is_init, override, flags);
812 /* Try to decompile a method body. Right now we just try to handle a
813 simple case that we can do. Expand as desired. */
815 decompile_method (out, jcf, code_len)
820 const unsigned char *codes = jcf->read_ptr;
822 uint16 name_and_type, name;
824 /* If the method is synchronized, don't touch it. */
825 if ((method_access & ACC_SYNCHRONIZED))
829 && codes[0] == OPCODE_aload_0
830 && codes[1] == OPCODE_getfield
831 && (codes[4] == OPCODE_areturn
832 || codes[4] == OPCODE_dreturn
833 || codes[4] == OPCODE_freturn
834 || codes[4] == OPCODE_ireturn
835 || codes[4] == OPCODE_lreturn))
837 /* Found code like `return FIELD'. */
838 fputs (" { return ", out);
839 index = (codes[2] << 8) | codes[3];
840 /* FIXME: ensure that tag is CONSTANT_Fieldref. */
841 /* FIXME: ensure that the field's class is this class. */
842 name_and_type = JPOOL_USHORT2 (jcf, index);
843 /* FIXME: ensure that tag is CONSTANT_NameAndType. */
844 name = JPOOL_USHORT1 (jcf, name_and_type);
846 print_field_name (out, jcf, name, 0);
850 else if (code_len == 2
851 && codes[0] == OPCODE_aload_0
852 && codes[1] == OPCODE_areturn)
854 /* Found `return this'. */
855 fputs (" { return this; }", out);
858 else if (code_len == 1 && codes[0] == OPCODE_return)
860 /* Found plain `return'. */
864 else if (code_len == 2
865 && codes[0] == OPCODE_aconst_null
866 && codes[1] == OPCODE_areturn)
868 /* Found `return null'. We don't want to depend on NULL being
870 fputs (" { return 0; }", out);
875 /* Print one piece of a signature. Returns pointer to next parseable
876 character on success, NULL on error. */
877 static const unsigned char *
878 decode_signature_piece (stream, signature, limit, need_space)
880 const unsigned char *signature, *limit;
886 switch (signature[0])
889 /* More spaghetti. */
892 for (signature++; (signature < limit
894 && *signature <= '9'); signature++)
899 ctype = "jbyteArray";
902 ctype = "jcharArray";
905 ctype = "jdoubleArray";
908 ctype = "jfloatArray";
914 ctype = "jshortArray";
917 ctype = "jlongArray";
920 ctype = "jbooleanArray";
923 /* We have a nested array. */
926 fputs ("JArray<", stream);
930 /* We have to generate a reference to JArray here, so that
931 our output matches what the compiler does. */
933 /* Space between `<' and `:' to avoid C++ digraphs. */
935 fputs ("JArray< ::", stream);
936 while (signature < limit && *signature != ';')
938 int ch = UTF8_GET (signature, limit);
942 fputs ("::", stream);
944 jcf_print_char (stream, ch);
948 fputs (" *> *", stream);
953 /* Unparseable signature. */
957 /* If the previous iterations left us with something to print,
958 print it. For JNI, we always print `jobjectArray' in the
960 if (flag_jni && ctype == NULL)
962 ctype = "jobjectArray";
965 /* The `printit' case will advance SIGNATURE for us. If we
966 don't go there, we must advance past the `;' ourselves. */
974 /* This shouldn't happen. */
977 case 'B': ctype = "jbyte"; goto printit;
978 case 'C': ctype = "jchar"; goto printit;
979 case 'D': ctype = "jdouble"; goto printit;
980 case 'F': ctype = "jfloat"; goto printit;
981 case 'I': ctype = "jint"; goto printit;
982 case 'J': ctype = "jlong"; goto printit;
983 case 'S': ctype = "jshort"; goto printit;
984 case 'Z': ctype = "jboolean"; goto printit;
985 case 'V': ctype = "void"; goto printit;
989 /* We know about certain types and special-case their
991 FIXME: something like java.lang.Exception should be
992 printed as `jthrowable', because it is a subclass. This
993 means that gcjh must read the entire hierarchy and
995 if (! strncmp (signature, "Ljava/lang/String;",
996 sizeof ("Ljava/lang/String;") -1))
998 else if (! strncmp (signature, "Ljava/lang/Class;",
999 sizeof ("Ljava/lang/Class;") - 1))
1001 else if (! strncmp (signature, "Ljava/lang/Throwable;",
1002 sizeof ("Ljava/lang/Throwable;") - 1))
1003 ctype = "jthrowable";
1004 else if (! strncmp (signature, "Ljava/lang/ref/WeakReference;",
1005 sizeof ("Ljava/lang/ref/WeakReference;") - 1))
1010 while (*signature && *signature != ';')
1015 /* Print a leading "::" so we look in the right namespace. */
1016 fputs ("::", stream);
1018 while (*signature && *signature != ';')
1020 int ch = UTF8_GET (signature, limit);
1022 fputs ("::", stream);
1024 jcf_print_char (stream, ch);
1026 fputs (" *", stream);
1027 if (*signature == ';')
1033 jni_print_char (stream, *signature++);
1038 fputs (ctype, stream);
1044 while (array_depth-- > 0)
1045 fputs ("> *", stream);
1052 DEFUN(print_c_decl, (stream, jcf, name_index, signature_index, is_init,
1053 name_override, flags),
1054 FILE* stream AND JCF* jcf
1055 AND int name_index AND int signature_index
1056 AND int is_init AND const char *name_override AND int flags)
1058 if (JPOOL_TAG (jcf, signature_index) != CONSTANT_Utf8)
1060 fprintf (stream, "<not a UTF8 constant>");
1065 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1066 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1067 register const unsigned char *str = str0;
1068 const unsigned char *limit = str + length;
1070 int is_method = str[0] == '(';
1071 const unsigned char *next;
1073 /* If printing a method, skip to the return signature and print
1074 that first. However, there is no return value if this is a
1076 if (is_method && ! is_init)
1086 /* If printing a field or an ordinary method, then print the
1087 "return value" now. */
1088 if (! is_method || ! is_init)
1090 next = decode_signature_piece (stream, str, limit, &need_space);
1093 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1099 /* Now print the name of the thing. */
1101 fputs (" ", stream);
1102 print_full_cxx_name (stream, jcf, name_index,
1103 signature_index, is_init, name_override,
1108 /* Print the unqualified method name followed by the signature. */
1110 DEFUN(print_full_cxx_name, (stream, jcf, name_index, signature_index,
1111 is_init, name_override, flags),
1112 FILE* stream AND JCF* jcf
1113 AND int name_index AND int signature_index AND int is_init
1114 AND const char *name_override AND int flags)
1116 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1117 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1118 register const unsigned char *str = str0;
1119 const unsigned char *limit = str + length;
1121 int is_method = str[0] == '(';
1122 const unsigned char *next;
1125 fputs (name_override, stream);
1126 else if (name_index)
1128 /* Declare constructors specially. */
1130 print_base_classname (stream, jcf, jcf->this_class);
1132 print_name (stream, jcf, name_index);
1137 unsigned char *signature = JPOOL_UTF_DATA (jcf, signature_index);
1138 int sig_len = JPOOL_UTF_LENGTH (jcf, signature_index);
1139 if (overloaded_jni_method_exists_p (JPOOL_UTF_DATA (jcf, name_index),
1140 JPOOL_UTF_LENGTH (jcf, name_index),
1141 signature, sig_len))
1143 /* If this method is overloaded by another native method,
1144 then include the argument information in the mangled
1146 unsigned char *limit = signature + sig_len;
1147 fputs ("__", stream);
1148 while (signature < limit)
1150 int ch = UTF8_GET (signature, limit);
1151 jni_print_char (stream, ch);
1163 /* Have a method or a constructor. Print signature pieces
1165 fputs (" (", stream);
1169 /* In JNI mode, add extra arguments. */
1172 /* FIXME: it would be nice to know if we are printing a decl
1173 or a definition, and only print `env' for the latter. */
1174 fputs ("JNIEnv *env", stream);
1176 fputs ((flags & ACC_STATIC) ? ", jclass" : ", jobject", stream);
1179 fputs (", ", stream);
1182 while (str < limit && *str != ')')
1184 next = decode_signature_piece (stream, str, limit, &need_space);
1187 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1192 if (next < limit && *next != ')')
1193 fputs (", ", stream);
1197 fputs (")", stream);
1201 /* This is a helper for print_stub_or_jni. */
1203 DEFUN (print_name_for_stub_or_jni, (stream, jcf, name_index, signature_index,
1204 is_init, name_override, flags),
1205 FILE *stream AND JCF *jcf
1206 AND int name_index AND int signature_index
1207 AND int is_init AND const char *name_override AND int flags)
1209 const char *const prefix = flag_jni ? "Java_" : "";
1210 print_cxx_classname (stream, prefix, jcf, jcf->this_class);
1211 fputs (flag_jni ? "_" : "::", stream);
1212 print_full_cxx_name (stream, jcf, name_index,
1213 signature_index, is_init, name_override,
1218 DEFUN(print_stub_or_jni, (stream, jcf, name_index, signature_index, is_init,
1219 name_override, flags),
1220 FILE* stream AND JCF* jcf
1221 AND int name_index AND int signature_index
1222 AND int is_init AND const char *name_override AND int flags)
1224 if (JPOOL_TAG (jcf, signature_index) != CONSTANT_Utf8)
1226 fprintf (stream, "<not a UTF8 constant>");
1231 int length = JPOOL_UTF_LENGTH (jcf, signature_index);
1232 const unsigned char *str0 = JPOOL_UTF_DATA (jcf, signature_index);
1233 register const unsigned char *str = str0;
1234 const unsigned char *limit = str + length;
1236 int is_method = str[0] == '(';
1237 const unsigned char *next;
1239 /* Don't print fields in the JNI case. */
1240 if (! is_method && flag_jni)
1243 if (flag_jni && ! stubs)
1244 fputs ("extern ", stream);
1246 /* If printing a method, skip to the return signature and print
1247 that first. However, there is no return value if this is a
1249 if (is_method && ! is_init)
1259 /* If printing a field or an ordinary method, then print the
1260 "return value" now. Note that a constructor can't be native,
1261 so we don't bother checking this in the JNI case. */
1262 if (! is_method || ! is_init)
1264 next = decode_signature_piece (stream, str, limit, &need_space);
1267 fprintf (stderr, "unparseable signature: `%s'\n", str0);
1273 /* When printing a JNI header we need to respect the space. In
1274 other cases we're just going to insert a newline anyway. */
1275 fputs (need_space && ! stubs ? " " : "\n", stream);
1277 /* Now print the name of the thing. */
1278 print_name_for_stub_or_jni (stream, jcf, name_index,
1279 signature_index, is_init, name_override,
1282 /* Print the body. */
1286 fputs ("\n{\n (*env)->FatalError (\"", stream);
1288 fputs ("\n{\n JvFail (\"", stream);
1289 print_name_for_stub_or_jni (stream, jcf, name_index,
1290 signature_index, is_init,
1293 fputs (" not implemented\");\n}\n\n", stream);
1299 DEFUN(print_mangled_classname, (stream, jcf, prefix, index),
1300 FILE *stream AND JCF *jcf AND const char *prefix AND int index)
1302 int name_index = JPOOL_USHORT1 (jcf, index);
1303 fputs (prefix, stream);
1304 jcf_print_utf8_replace (out,
1305 JPOOL_UTF_DATA (jcf, name_index),
1306 JPOOL_UTF_LENGTH (jcf, name_index),
1310 /* Print PREFIX, then a class name in C++ format. If the name refers
1311 to an array, ignore it and don't print PREFIX. Returns 1 if
1312 something was printed, 0 otherwise. */
1314 print_cxx_classname (stream, prefix, jcf, index)
1320 int name_index = JPOOL_USHORT1 (jcf, index);
1322 const unsigned char *s, *p, *limit;
1324 s = JPOOL_UTF_DATA (jcf, name_index);
1325 len = JPOOL_UTF_LENGTH (jcf, name_index);
1328 /* Explicitly omit arrays here. */
1330 c = UTF8_GET (p, limit);
1334 fputs (prefix, stream);
1336 /* Print a leading "::" so we look in the right namespace. */
1337 if (! flag_jni && ! stubs)
1338 fputs ("::", stream);
1342 c = UTF8_GET (s, limit);
1344 fputs (flag_jni ? "_" : "::", stream);
1346 jni_print_char (stream, c);
1352 int written_class_count = 0;
1354 /* Return name of superclass. If LEN is not NULL, fill it with length
1356 static const unsigned char *
1357 super_class_name (derived_jcf, len)
1361 int supername_index = JPOOL_USHORT1 (derived_jcf, derived_jcf->super_class);
1362 int supername_length = JPOOL_UTF_LENGTH (derived_jcf, supername_index);
1363 const unsigned char *supername =
1364 JPOOL_UTF_DATA (derived_jcf, supername_index);
1367 *len = supername_length;
1374 /* We keep track of all the `#include's we generate, so we can avoid
1379 struct include *next;
1382 /* List of all includes. */
1383 static struct include *all_includes = NULL;
1385 /* Generate a #include. */
1387 print_include (out, utf8, len)
1389 const unsigned char *utf8;
1392 struct include *incl;
1398 len = strlen (utf8);
1400 for (incl = all_includes; incl; incl = incl->next)
1402 /* We check the length because we might have a proper prefix. */
1403 if (len == (int) strlen (incl->name)
1404 && ! strncmp (incl->name, utf8, len))
1408 incl = (struct include *) xmalloc (sizeof (struct include));
1409 incl->name = xmalloc (len + 1);
1410 strncpy (incl->name, utf8, len);
1411 incl->name[len] = '\0';
1412 incl->next = all_includes;
1413 all_includes = incl;
1415 fputs ("#include <", out);
1416 jcf_print_utf8_replace (out, utf8, len,
1418 flag_jni ? '_' : '/');
1419 fputs (".h>\n", out);
1424 /* This is used to represent part of a package or class name. */
1427 /* The text of this part of the name. */
1429 /* True if this represents a class. */
1431 /* Linked list of all classes and packages inside this one. */
1432 struct namelet *subnamelets;
1433 /* Pointer to next sibling. */
1434 struct namelet *next;
1437 static void add_namelet PARAMS ((const unsigned char *,
1438 const unsigned char *, struct namelet *));
1439 static void print_namelet PARAMS ((FILE *, struct namelet *, int));
1441 /* The special root namelet. */
1442 static struct namelet root =
1450 /* This extracts the next name segment from the full UTF-8 encoded
1451 package or class name and links it into the tree. It does this
1454 add_namelet (name, name_limit, parent)
1455 const unsigned char *name, *name_limit;
1456 struct namelet *parent;
1458 const unsigned char *p;
1459 struct namelet *n = NULL, *np;
1461 /* We want to skip the standard namespaces that we assume the
1462 runtime already knows about. We only do this at the top level,
1463 though, hence the check for `root'. */
1464 if (parent == &root)
1466 #define JAVALANG "java/lang/"
1467 #define JAVAIO "java/io/"
1468 #define JAVAUTIL "java/util/"
1469 if ((name_limit - name >= (int) sizeof (JAVALANG) - 1
1470 && ! strncmp (name, JAVALANG, sizeof (JAVALANG) - 1))
1471 || (name_limit - name >= (int) sizeof (JAVAUTIL) - 1
1472 && ! strncmp (name, JAVAUTIL, sizeof (JAVAUTIL) - 1))
1473 || (name_limit - name >= (int) sizeof (JAVAIO) - 1
1474 && ! strncmp (name, JAVAIO, sizeof (JAVAIO) - 1)))
1478 for (p = name; p < name_limit && *p != '/' && *p != '$'; ++p)
1481 /* Search for this name beneath the PARENT node. */
1482 for (np = parent->subnamelets; np != NULL; np = np->next)
1484 /* We check the length because we might have a proper prefix. */
1485 if ((int) strlen (np->name) == p - name &&
1486 ! strncmp (name, np->name, p - name))
1495 n = (struct namelet *) xmalloc (sizeof (struct namelet));
1496 n->name = xmalloc (p - name + 1);
1497 strncpy (n->name, name, p - name);
1498 n->name[p - name] = '\0';
1499 n->is_class = (p == name_limit || *p == '$');
1500 n->subnamelets = NULL;
1501 n->next = parent->subnamelets;
1502 parent->subnamelets = n;
1505 /* We recurse if there is more text, and if the trailing piece does
1506 not represent an inner class. */
1507 if (p < name_limit && *p != '$')
1508 add_namelet (p + 1, name_limit, n);
1511 /* Print a single namelet. Destroys namelets while printing. */
1513 print_namelet (out, name, depth)
1515 struct namelet *name;
1523 for (i = 0; i < depth; ++i)
1525 fprintf (out, "%s %s", name->is_class ? "class" : "namespace",
1527 if (name->is_class && name->subnamelets == NULL)
1533 for (i = 0; i < depth; ++i)
1539 c = name->subnamelets;
1542 struct namelet *next = c->next;
1543 print_namelet (out, c, depth + 2);
1551 for (i = 0; i < depth; ++i)
1554 /* Only print a `;' when printing a class. C++ is evil. */
1564 /* This is called to add some classes to the list of classes for which
1565 we need decls. The signature argument can be a function
1568 add_class_decl (out, jcf, signature)
1573 const unsigned char *s = JPOOL_UTF_DATA (jcf, signature);
1574 int len = JPOOL_UTF_LENGTH (jcf, signature);
1576 /* Name of class we are processing. */
1577 int name_index = JPOOL_USHORT1 (jcf, jcf->this_class);
1578 int tlen = JPOOL_UTF_LENGTH (jcf, name_index);
1579 const char *tname = JPOOL_UTF_DATA (jcf, name_index);
1581 for (i = 0; i < len; ++i)
1583 int start, saw_dollar;
1585 /* If we see an array, then we include the array header. */
1588 print_include (out, "gcj/array", -1);
1592 /* We're looking for `L<stuff>;' -- everything else is
1598 for (start = ++i; i < len && s[i] != ';'; ++i)
1600 if (! saw_dollar && s[i] == '$' && out)
1603 /* If this class represents an inner class, then
1604 generate a `#include' for the outer class. However,
1605 don't generate the include if the outer class is the
1606 class we are processing. */
1607 if (i - start < tlen || strncmp (&s[start], tname, i - start))
1608 print_include (out, &s[start], i - start);
1613 /* If we saw an inner class, then the generated #include will
1614 declare the class. So in this case we needn't bother. */
1616 add_namelet (&s[start], &s[i], &root);
1620 /* Print declarations for all classes required by this class. Any
1621 class or package in the `java' package is assumed to be handled
1622 statically in libjava; we don't generate declarations for these.
1623 This makes the generated headers a bit easier to read. */
1625 print_class_decls (out, jcf, self)
1630 /* Make sure to always add the current class to the list of things
1631 that should be declared. */
1632 int name_index = JPOOL_USHORT1 (jcf, self);
1634 const unsigned char *s;
1636 s = JPOOL_UTF_DATA (jcf, name_index);
1637 len = JPOOL_UTF_LENGTH (jcf, name_index);
1638 add_namelet (s, s + len, &root);
1640 if (root.subnamelets)
1642 fputs ("extern \"Java\"\n{\n", out);
1643 /* We use an initial offset of 0 because the root namelet
1644 doesn't cause anything to print. */
1645 print_namelet (out, &root, 0);
1646 fputs ("};\n\n", out);
1653 DEFUN(process_file, (jcf, out),
1654 JCF *jcf AND FILE *out)
1657 uint32 field_start, method_end, method_start;
1663 if (jcf_parse_preamble (jcf) != 0)
1665 fprintf (stderr, "Not a valid Java .class file.\n");
1670 /* Parse and possibly print constant pool */
1671 code = jcf_parse_constant_pool (jcf);
1674 fprintf (stderr, "error while parsing constant pool\n");
1678 code = verify_constant_pool (jcf);
1681 fprintf (stderr, "error in constant pool entry #%d\n", code);
1686 jcf_parse_class (jcf);
1688 if (written_class_count++ == 0 && out)
1690 const char *cstart, *cstart2, *mode, *cend, *what, *jflag;
1705 mode = " -*- c++ -*-";
1711 fprintf (out, "%s DO NOT EDIT THIS FILE - it is machine generated%s%s\n\n",
1712 cstart, mode, cend);
1715 fprintf (out, "%s This file was created by `gcjh -stubs%s'.%s\n\
1717 %s This file is intended to give you a head start on implementing native\n\
1718 %s methods using %s.\n\
1719 %s Be aware: running `gcjh -stubs %s' once more for this class may\n\
1720 %s overwrite any edits you have made to this file.%s\n\n",
1721 cstart, jflag, mode,
1737 print_mangled_classname (out, jcf, "#ifndef __", jcf->this_class);
1738 fprintf (out, "__\n");
1740 print_mangled_classname (out, jcf, "#define __", jcf->this_class);
1741 fprintf (out, "__\n\n");
1745 fprintf (out, "#include <jni.h>\n\n");
1746 fprintf (out, "#ifdef __cplusplus\n");
1747 fprintf (out, "extern \"C\"\n");
1748 fprintf (out, "{\n");
1749 fprintf (out, "#endif\n");
1753 /* We do this to ensure that inline methods won't be
1754 `outlined' by g++. This works as long as method and
1755 fields are not added by the user. */
1756 fprintf (out, "#pragma interface\n");
1758 if (jcf->super_class)
1761 const unsigned char *supername =
1762 super_class_name (jcf, &super_length);
1765 print_include (out, supername, super_length);
1771 /* Strip off the ".class" portion of the name when printing
1772 the include file name. */
1773 int len = strlen (jcf->classname);
1774 if (len > 6 && ! strcmp (&jcf->classname[len - 6], ".class"))
1776 print_include (out, jcf->classname, len);
1777 print_include (out, "gcj/cni", -1);
1781 /* We want to parse the methods first. But we need to find where
1782 they start. So first we skip the fields, then parse the methods.
1783 Then we parse the fields and skip the methods. This is ugly, but
1784 not too bad since we need two full passes to get class decl
1785 information anyway. */
1787 field_start = JCF_TELL (jcf);
1788 jcf_parse_fields (jcf);
1790 method_start = JCF_TELL (jcf);
1792 jcf_parse_methods (jcf);
1797 if (out && ! flag_jni)
1800 print_class_decls (out, jcf, jcf->this_class);
1802 for (i = 0; i < prepend_count; ++i)
1803 fprintf (out, "%s\n", prepend_specs[i]);
1804 if (prepend_count > 0)
1809 if (! print_cxx_classname (out, "class ", jcf, jcf->this_class))
1811 fprintf (stderr, "class is of array type\n");
1815 if (jcf->super_class)
1817 if (! print_cxx_classname (out, " : public ",
1818 jcf, jcf->super_class))
1820 fprintf (stderr, "base class is of array type\n");
1826 fputs ("\n{\n", out);
1830 /* Now go back for second pass over methods and fields. */
1831 JCF_SEEK (jcf, method_start);
1833 jcf_parse_methods (jcf);
1834 method_end = JCF_TELL (jcf);
1837 JCF_SEEK (jcf, field_start);
1838 jcf_parse_fields (jcf);
1839 JCF_SEEK (jcf, method_end);
1841 jcf_parse_final_attributes (jcf);
1847 fprintf (out, "\n#ifdef __cplusplus\n");
1848 fprintf (out, "}\n");
1849 fprintf (out, "#endif\n");
1853 /* Generate friend decl if we still must. */
1854 for (i = 0; i < friend_count; ++i)
1855 fprintf (out, " friend %s\n", friend_specs[i]);
1857 /* Generate extra declarations. */
1860 for (i = 0; i < add_count; ++i)
1861 fprintf (out, " %s\n", add_specs[i]);
1864 fputs ("};\n", out);
1866 if (append_count > 0)
1868 for (i = 0; i < append_count; ++i)
1869 fprintf (out, "%s\n", append_specs[i]);
1872 print_mangled_classname (out, jcf,
1873 "\n#endif /* __", jcf->this_class);
1874 fprintf (out, "__ */\n");
1880 /* This is used to mark options with no short value. */
1881 #define LONG_OPT(Num) ((Num) + 128)
1883 #define OPT_classpath LONG_OPT (0)
1884 #define OPT_CLASSPATH LONG_OPT (1)
1885 #define OPT_HELP LONG_OPT (2)
1886 #define OPT_TEMP LONG_OPT (3)
1887 #define OPT_VERSION LONG_OPT (4)
1888 #define OPT_PREPEND LONG_OPT (5)
1889 #define OPT_FRIEND LONG_OPT (6)
1890 #define OPT_ADD LONG_OPT (7)
1891 #define OPT_APPEND LONG_OPT (8)
1892 #define OPT_M LONG_OPT (9)
1893 #define OPT_MM LONG_OPT (10)
1894 #define OPT_MG LONG_OPT (11)
1895 #define OPT_MD LONG_OPT (12)
1896 #define OPT_MMD LONG_OPT (13)
1898 static struct option options[] =
1900 { "classpath", required_argument, NULL, OPT_classpath },
1901 { "CLASSPATH", required_argument, NULL, OPT_CLASSPATH },
1902 { "help", no_argument, NULL, OPT_HELP },
1903 { "stubs", no_argument, &stubs, 1 },
1904 { "td", required_argument, NULL, OPT_TEMP },
1905 { "verbose", no_argument, NULL, 'v' },
1906 { "version", no_argument, NULL, OPT_VERSION },
1907 { "prepend", required_argument, NULL, OPT_PREPEND },
1908 { "friend", required_argument, NULL, OPT_FRIEND },
1909 { "add", required_argument, NULL, OPT_ADD },
1910 { "append", required_argument, NULL, OPT_APPEND },
1911 { "M", no_argument, NULL, OPT_M },
1912 { "MM", no_argument, NULL, OPT_MM },
1913 { "MG", no_argument, NULL, OPT_MG },
1914 { "MD", no_argument, NULL, OPT_MD },
1915 { "MMD", no_argument, NULL, OPT_MMD },
1916 { "jni", no_argument, &flag_jni, 1 },
1917 { NULL, no_argument, NULL, 0 }
1923 fprintf (stderr, "Try `gcjh --help' for more information.\n");
1930 printf ("Usage: gcjh [OPTION]... CLASS...\n\n");
1931 printf ("Generate C++ header files from .class files\n\n");
1932 printf (" -stubs Generate an implementation stub file\n");
1933 printf (" -jni Generate a JNI header or stub\n");
1935 printf (" -add TEXT Insert TEXT into class body\n");
1936 printf (" -append TEXT Insert TEXT after class declaration\n");
1937 printf (" -friend TEXT Insert TEXT as `friend' declaration\n");
1938 printf (" -prepend TEXT Insert TEXT before start of class\n");
1940 printf (" --classpath PATH Set path to find .class files\n");
1941 printf (" --CLASSPATH PATH Set path to find .class files\n");
1942 printf (" -IDIR Append directory to class path\n");
1943 printf (" -d DIRECTORY Set output directory name\n");
1944 printf (" -o FILE Set output file name\n");
1945 printf (" -td DIRECTORY Set temporary directory name\n");
1947 printf (" --help Print this help, then exit\n");
1948 printf (" --version Print version number, then exit\n");
1949 printf (" -v, --verbose Print extra information while running\n");
1951 printf (" -M Print all dependencies to stdout;\n");
1952 printf (" suppress ordinary output\n");
1953 printf (" -MM Print non-system dependencies to stdout;\n");
1954 printf (" suppress ordinary output\n");
1955 printf (" -MD Print all dependencies to stdout\n");
1956 printf (" -MMD Print non-system dependencies to stdout\n");
1957 /* We omit -MG until it is implemented. */
1959 printf ("For bug reporting instructions, please see:\n");
1960 printf ("%s.\n", GCCBUGURL);
1967 printf ("gcjh (%s)\n\n", version_string);
1968 printf ("Copyright (C) 1998, 1999 Free Software Foundation, Inc.\n");
1969 printf ("This is free software; see the source for copying conditions. There is NO\n");
1970 printf ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n");
1975 DEFUN(main, (argc, argv),
1976 int argc AND char** argv)
1980 char *output_file = NULL;
1981 int emit_dependencies = 0, suppress_output = 0;
1986 fprintf (stderr, "gcjh: no classes specified\n");
1992 /* We use getopt_long_only to allow single `-' long options. For
1993 some of our options this is more natural. */
1994 while ((opt = getopt_long_only (argc, argv, "I:d:o:v", options, NULL)) != -1)
1999 /* Already handled. */
2003 output_file = optarg;
2007 output_directory = optarg;
2011 jcf_path_include_arg (optarg);
2019 jcf_path_classpath_arg (optarg);
2023 jcf_path_CLASSPATH_arg (optarg);
2031 temp_directory = optarg;
2039 if (prepend_count == 0)
2040 prepend_specs = (char**) ALLOC (argc * sizeof (char*));
2041 prepend_specs[prepend_count++] = optarg;
2045 if (friend_count == 0)
2046 friend_specs = (char**) ALLOC (argc * sizeof (char*));
2047 friend_specs[friend_count++] = optarg;
2052 add_specs = (char**) ALLOC (argc * sizeof (char*));
2053 add_specs[add_count++] = optarg;
2057 if (append_count == 0)
2058 append_specs = (char**) ALLOC (argc * sizeof (char*));
2059 append_specs[append_count++] = optarg;
2063 emit_dependencies = 1;
2064 suppress_output = 1;
2065 jcf_dependency_init (1);
2069 emit_dependencies = 1;
2070 suppress_output = 1;
2071 jcf_dependency_init (0);
2075 fprintf (stderr, "gcjh: `-MG' option is unimplemented\n");
2079 emit_dependencies = 1;
2080 jcf_dependency_init (1);
2084 emit_dependencies = 1;
2085 jcf_dependency_init (0);
2096 fprintf (stderr, "gcjh: no classes specified\n");
2102 if (output_file && emit_dependencies)
2104 fprintf (stderr, "gcjh: can't specify both -o and -MD\n");
2108 for (argi = optind; argi < argc; argi++)
2110 char *classname = argv[argi];
2111 char *current_output_file;
2112 const char *classfile_name;
2115 fprintf (stderr, "Processing %s\n", classname);
2117 jcf_dependency_reset ();
2118 classfile_name = find_class (classname, strlen (classname), &jcf, 0);
2119 if (classfile_name == NULL)
2121 fprintf (stderr, "%s: no such class\n", classname);
2125 fprintf (stderr, "Found in %s\n", classfile_name);
2128 if (strcmp (output_file, "-") == 0)
2130 else if (out == NULL)
2132 out = fopen (output_file, "w");
2136 perror (output_file);
2139 current_output_file = output_file;
2143 int dir_len = strlen (output_directory);
2144 int i, classname_length = strlen (classname);
2145 current_output_file = (char*) ALLOC (dir_len + classname_length + 5);
2146 strcpy (current_output_file, output_directory);
2147 if (dir_len > 0 && output_directory[dir_len-1] != '/')
2148 current_output_file[dir_len++] = '/';
2149 for (i = 0; classname[i] != '\0'; i++)
2151 char ch = classname[i];
2154 if (flag_jni && ch == '/')
2156 current_output_file[dir_len++] = ch;
2158 if (emit_dependencies)
2160 if (suppress_output)
2162 jcf_dependency_set_dep_file ("-");
2167 /* We use `.hd' and not `.d' to avoid clashes with
2168 dependency tracking from straight compilation. */
2169 strcpy (current_output_file + dir_len, ".hd");
2170 jcf_dependency_set_dep_file (current_output_file);
2173 strcpy (current_output_file + dir_len,
2174 stubs ? (flag_jni ? ".c" : ".cc") : ".h");
2175 jcf_dependency_set_target (current_output_file);
2176 if (! suppress_output)
2178 out = fopen (current_output_file, "w");
2181 perror (current_output_file);
2186 process_file (&jcf, out);
2188 if (current_output_file != output_file)
2189 free (current_output_file);
2190 jcf_dependency_write ();
2193 if (out != NULL && out != stdout)