| /* Parser for Java(TM) .class files. |
| Copyright (C) 1996-2014 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| GCC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. |
| |
| Java and all Java-based marks are trademarks or registered trademarks |
| of Sun Microsystems, Inc. in the United States and other countries. |
| The Free Software Foundation is independent of Sun Microsystems, Inc. */ |
| |
| /* Written by Per Bothner <bothner@cygnus.com> */ |
| |
| #include "config.h" |
| #include "system.h" |
| #include "coretypes.h" |
| #include "tree.h" |
| #include "stringpool.h" |
| #include "obstack.h" |
| #include "flags.h" |
| #include "java-except.h" |
| #include "input.h" |
| #include "javaop.h" |
| #include "java-tree.h" |
| #include "diagnostic-core.h" |
| #include "parse.h" |
| #include "ggc.h" |
| #include "debug.h" |
| #include "cgraph.h" |
| #include "bitmap.h" |
| #include "target.h" |
| |
| #ifdef HAVE_LOCALE_H |
| #include <locale.h> |
| #endif |
| |
| #ifdef HAVE_LANGINFO_CODESET |
| #include <langinfo.h> |
| #endif |
| |
| /* A CONSTANT_Utf8 element is converted to an IDENTIFIER_NODE at parse time. */ |
| #define JPOOL_UTF(JCF, INDEX) CPOOL_UTF(&(JCF)->cpool, INDEX) |
| #define JPOOL_UTF_LENGTH(JCF, INDEX) IDENTIFIER_LENGTH (JPOOL_UTF (JCF, INDEX)) |
| #define JPOOL_UTF_DATA(JCF, INDEX) \ |
| ((const unsigned char *) IDENTIFIER_POINTER (JPOOL_UTF (JCF, INDEX))) |
| #define HANDLE_CONSTANT_Utf8(JCF, INDEX, LENGTH) \ |
| do { \ |
| unsigned char save; unsigned char *text; \ |
| JCF_FILL (JCF, (LENGTH)+1); /* Make sure we read 1 byte beyond string. */ \ |
| text = (JCF)->read_ptr; \ |
| save = text[LENGTH]; \ |
| text[LENGTH] = 0; \ |
| (JCF)->cpool.data[INDEX].t = get_identifier ((const char *) text); \ |
| text[LENGTH] = save; \ |
| JCF_SKIP (JCF, LENGTH); } while (0) |
| |
| #include "jcf.h" |
| |
| extern struct obstack temporary_obstack; |
| |
| static GTY(()) tree parse_roots[2]; |
| |
| /* The FIELD_DECL for the current field. */ |
| #define current_field parse_roots[0] |
| |
| /* The METHOD_DECL for the current method. */ |
| #define current_method parse_roots[1] |
| |
| /* Line 0 in current file, if compiling from bytecode. */ |
| static location_t file_start_location; |
| |
| /* The Java archive that provides main_class; the main input file. */ |
| static GTY(()) struct JCF * main_jcf; |
| |
| /* A list of all the class DECLs seen so far. */ |
| static GTY(()) vec<tree, va_gc> *all_class_list; |
| |
| /* The number of source files passed to us by -fsource-filename and an |
| array of pointers to each name. Used by find_sourcefile(). */ |
| static int num_files = 0; |
| static char **filenames; |
| |
| static struct ZipFile *localToFile; |
| |
| /* A map of byte offsets in the reflection data that are fields which |
| need renumbering. */ |
| bitmap field_offsets; |
| bitmap_obstack bit_obstack; |
| |
| /* Declarations of some functions used here. */ |
| static void handle_innerclass_attribute (int count, JCF *, int len); |
| static tree give_name_to_class (JCF *jcf, int index); |
| static char *compute_class_name (struct ZipDirectory *zdir); |
| static int classify_zip_file (struct ZipDirectory *zdir); |
| static void parse_zip_file_entries (void); |
| static void process_zip_dir (FILE *); |
| static void parse_class_file (void); |
| static void handle_deprecated (void); |
| static void set_source_filename (JCF *, int); |
| static void jcf_parse (struct JCF*); |
| static void load_inner_classes (tree); |
| static void handle_annotation (JCF *jcf, int level); |
| static void java_layout_seen_class_methods (void); |
| |
| /* Handle "Deprecated" attribute. */ |
| static void |
| handle_deprecated (void) |
| { |
| if (current_field != NULL_TREE) |
| FIELD_DEPRECATED (current_field) = 1; |
| else if (current_method != NULL_TREE) |
| METHOD_DEPRECATED (current_method) = 1; |
| else if (current_class != NULL_TREE) |
| CLASS_DEPRECATED (TYPE_NAME (current_class)) = 1; |
| else |
| { |
| /* Shouldn't happen. */ |
| gcc_unreachable (); |
| } |
| } |
| |
| |
| |
| /* Reverse a string. */ |
| static char * |
| reverse (const char *s) |
| { |
| if (s == NULL) |
| return NULL; |
| else |
| { |
| int len = strlen (s); |
| char *d = XNEWVAR (char, len + 1); |
| const char *sp; |
| char *dp; |
| |
| d[len] = 0; |
| for (dp = &d[0], sp = &s[len-1]; sp >= s; dp++, sp--) |
| *dp = *sp; |
| |
| return d; |
| } |
| } |
| |
| /* Compare two strings for qsort(). */ |
| static int |
| cmpstringp (const void *p1, const void *p2) |
| { |
| /* The arguments to this function are "pointers to |
| pointers to char", but strcmp() arguments are "pointers |
| to char", hence the following cast plus dereference */ |
| |
| return strcmp(*(const char *const*) p1, *(const char *const*) p2); |
| } |
| |
| /* Create an array of strings, one for each source file that we've |
| seen. fsource_filename can either be the name of a single .java |
| file or a file that contains a list of filenames separated by |
| newlines. */ |
| void |
| java_read_sourcefilenames (const char *fsource_filename) |
| { |
| if (fsource_filename |
| && filenames == 0 |
| && strlen (fsource_filename) > strlen (".java") |
| && filename_cmp ((fsource_filename |
| + strlen (fsource_filename) |
| - strlen (".java")), |
| ".java") != 0) |
| { |
| /* fsource_filename isn't a .java file but a list of filenames |
| separated by newlines */ |
| FILE *finput = fopen (fsource_filename, "r"); |
| int len = 0; |
| int longest_line = 0; |
| |
| gcc_assert (finput); |
| |
| /* Find out how many files there are, and how long the filenames are. */ |
| while (! feof (finput)) |
| { |
| int ch = getc (finput); |
| if (ch == '\n') |
| { |
| num_files++; |
| if (len > longest_line) |
| longest_line = len; |
| len = 0; |
| continue; |
| } |
| if (ch == EOF) |
| break; |
| len++; |
| } |
| |
| rewind (finput); |
| |
| /* Read the filenames. Put a pointer to each filename into the |
| array FILENAMES. */ |
| { |
| char *linebuf = (char *) alloca (longest_line + 1); |
| int i = 0; |
| int charpos; |
| |
| filenames = XNEWVEC (char *, num_files); |
| |
| charpos = 0; |
| for (;;) |
| { |
| int ch = getc (finput); |
| if (ch == EOF) |
| break; |
| if (ch == '\n') |
| { |
| linebuf[charpos] = 0; |
| gcc_assert (i < num_files); |
| /* ??? Perhaps we should use lrealpath() here. Doing |
| so would tidy up things like /../ but the rest of |
| gcc seems to assume relative pathnames, not |
| absolute pathnames. */ |
| /* realname = lrealpath (linebuf); */ |
| filenames[i++] = reverse (linebuf); |
| charpos = 0; |
| continue; |
| } |
| gcc_assert (charpos < longest_line); |
| linebuf[charpos++] = ch; |
| } |
| |
| if (num_files > 1) |
| qsort (filenames, num_files, sizeof (char *), cmpstringp); |
| } |
| fclose (finput); |
| } |
| else |
| { |
| filenames = XNEWVEC (char *, 1); |
| filenames[0] = reverse (fsource_filename); |
| num_files = 1; |
| } |
| } |
| |
| /* Given a relative pathname such as foo/bar.java, attempt to find a |
| longer pathname with the same suffix. |
| |
| This is a best guess heuristic; with some weird class hierarchies we |
| may fail to pick the correct source file. For example, if we have |
| the filenames foo/bar.java and also foo/foo/bar.java, we do not |
| have enough information to know which one is the right match for |
| foo/bar.java. */ |
| |
| static const char * |
| find_sourcefile (const char *name) |
| { |
| int i = 0, j = num_files-1; |
| char *found = NULL; |
| |
| if (filenames) |
| { |
| char *revname = reverse (name); |
| |
| do |
| { |
| int k = (i+j) / 2; |
| int cmp = strncmp (revname, filenames[k], strlen (revname)); |
| if (cmp == 0) |
| { |
| /* OK, so we found one. But is it a unique match? */ |
| if ((k > i |
| && strncmp (revname, filenames[k-1], strlen (revname)) == 0) |
| || (k < j |
| && (strncmp (revname, filenames[k+1], strlen (revname)) |
| == 0))) |
| ; |
| else |
| found = filenames[k]; |
| break; |
| } |
| if (cmp > 0) |
| i = k+1; |
| else |
| j = k-1; |
| } |
| while (i <= j); |
| |
| free (revname); |
| } |
| |
| if (found && strlen (found) > strlen (name)) |
| return reverse (found); |
| else |
| return name; |
| } |
| |
| |
| |
| /* Handle "SourceFile" attribute. */ |
| |
| static void |
| set_source_filename (JCF *jcf, int index) |
| { |
| tree sfname_id = get_name_constant (jcf, index); |
| const char *sfname = IDENTIFIER_POINTER (sfname_id); |
| const char *old_filename = LOCATION_FILE (input_location); |
| int new_len = IDENTIFIER_LENGTH (sfname_id); |
| if (old_filename != NULL) |
| { |
| int old_len = strlen (old_filename); |
| /* Use the filename from current input_location (derived from the |
| class name) if it has a directory prefix, but otherwise matches |
| sfname. */ |
| if (old_len > new_len |
| && filename_cmp (sfname, old_filename + old_len - new_len) == 0 |
| && (old_filename[old_len - new_len - 1] == '/' |
| || old_filename[old_len - new_len - 1] == '\\')) |
| return; |
| } |
| if (strchr (sfname, '/') == NULL && strchr (sfname, '\\') == NULL) |
| { |
| const char *class_name |
| = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class))); |
| const char *dot = strrchr (class_name, '.'); |
| if (dot != NULL) |
| { |
| /* Length of prefix, not counting final dot. */ |
| int i = dot - class_name; |
| /* Concatenate current package prefix with new sfname. */ |
| char *buf = XNEWVEC (char, i + new_len + 2); /* Space for '.' and '\0'. */ |
| strcpy (buf + i + 1, sfname); |
| /* Copy package from class_name, replacing '.' by DIR_SEPARATOR. |
| Note we start at the end with the final package dot. */ |
| for (; i >= 0; i--) |
| { |
| char c = class_name[i]; |
| if (c == '.') |
| c = DIR_SEPARATOR; |
| buf[i] = c; |
| } |
| sfname_id = get_identifier (buf); |
| free (buf); |
| sfname = IDENTIFIER_POINTER (sfname_id); |
| } |
| } |
| |
| sfname = find_sourcefile (sfname); |
| ORDINARY_MAP_FILE_NAME (LINEMAPS_LAST_ORDINARY_MAP (line_table)) = sfname; |
| if (current_class == main_class) main_input_filename = sfname; |
| } |
| |
| |
| |
| |
| /* Annotation handling. |
| |
| The technique we use here is to copy the annotation data directly |
| from the input class file into the output file. We don't decode the |
| data at all, merely rewriting constant indexes whenever we come |
| across them: this is necessary because the constant pool in the |
| output file isn't the same as the constant pool in the input. |
| |
| The main advantage of this technique is that the resulting |
| annotation data is pointer-free, so it doesn't have to be relocated |
| at startup time. As a consequence of this, annotations have no |
| performance impact unless they are used. Also, this representation |
| is very dense. */ |
| |
| |
| /* Expand TYPE_REFLECTION_DATA by DELTA bytes. Return the address of |
| the start of the newly allocated region. */ |
| |
| static unsigned char* |
| annotation_grow (int delta) |
| { |
| unsigned char **data = &TYPE_REFLECTION_DATA (current_class); |
| long *datasize = &TYPE_REFLECTION_DATASIZE (current_class); |
| long len = *datasize; |
| |
| if (*data == NULL) |
| { |
| *data = XNEWVAR (unsigned char, delta); |
| } |
| else |
| { |
| int newlen = *datasize + delta; |
| if (floor_log2 (newlen) != floor_log2 (*datasize)) |
| *data = XRESIZEVAR (unsigned char, *data, 2 << (floor_log2 (newlen))); |
| } |
| *datasize += delta; |
| return *data + len; |
| } |
| |
| /* annotation_rewrite_TYPE. Rewrite various int types at p. Use Java |
| byte order (i.e. big endian.) */ |
| |
| static void |
| annotation_rewrite_byte (unsigned int n, unsigned char *p) |
| { |
| p[0] = n; |
| } |
| |
| static void |
| annotation_rewrite_short (unsigned int n, unsigned char *p) |
| { |
| p[0] = n>>8; |
| p[1] = n; |
| } |
| |
| static void |
| annotation_rewrite_int (unsigned int n, unsigned char *p) |
| { |
| p[0] = n>>24; |
| p[1] = n>>16; |
| p[2] = n>>8; |
| p[3] = n; |
| } |
| |
| /* Read a 16-bit unsigned int in Java byte order (i.e. big |
| endian.) */ |
| |
| static uint16 |
| annotation_read_short (unsigned char *p) |
| { |
| uint16 tmp = p[0]; |
| tmp = (tmp << 8) | p[1]; |
| return tmp; |
| } |
| |
| /* annotation_write_TYPE. Rewrite various int types, appending them |
| to TYPE_REFLECTION_DATA. Use Java byte order (i.e. big |
| endian.) */ |
| |
| static void |
| annotation_write_byte (unsigned int n) |
| { |
| annotation_rewrite_byte (n, annotation_grow (1)); |
| } |
| |
| static void |
| annotation_write_short (unsigned int n) |
| { |
| annotation_rewrite_short (n, annotation_grow (2)); |
| } |
| |
| static void |
| annotation_write_int (unsigned int n) |
| { |
| annotation_rewrite_int (n, annotation_grow (4)); |
| } |
| |
| /* Create a 64-bit constant in the constant pool. |
| |
| This is used for both integer and floating-point types. As a |
| consequence, it will not work if the target floating-point format |
| is anything other than IEEE-754. While this is arguably a bug, the |
| runtime library makes exactly the same assumption and it's unlikely |
| that Java will ever run on a non-IEEE machine. */ |
| |
| static int |
| handle_long_constant (JCF *jcf, CPool *cpool, enum cpool_tag kind, |
| int index, bool big_endian) |
| { |
| /* If we're on a 64-bit platform we can fit a long or double |
| into the same space as a jword. */ |
| if (POINTER_SIZE >= 64) |
| index = find_constant1 (cpool, kind, JPOOL_LONG (jcf, index)); |
| |
| /* In a compiled program the constant pool is in native word |
| order. How weird is that??? */ |
| else if (big_endian) |
| index = find_constant2 (cpool, kind, |
| JPOOL_INT (jcf, index), |
| JPOOL_INT (jcf, index+1)); |
| else |
| index = find_constant2 (cpool, kind, |
| JPOOL_INT (jcf, index+1), |
| JPOOL_INT (jcf, index)); |
| |
| return index; |
| } |
| |
| /* Given a class file and an index into its constant pool, create an |
| entry in the outgoing constant pool for the same item. */ |
| |
| static uint16 |
| handle_constant (JCF *jcf, int index, enum cpool_tag purpose) |
| { |
| unsigned int kind; |
| CPool *cpool = cpool_for_class (output_class); |
| |
| if (index == 0) |
| return 0; |
| |
| if (! CPOOL_INDEX_IN_RANGE (&jcf->cpool, index)) |
| error ("<constant pool index %d not in range>", index); |
| |
| kind = JPOOL_TAG (jcf, index); |
| |
| if ((kind & ~CONSTANT_ResolvedFlag) != purpose) |
| { |
| if (purpose == CONSTANT_Class |
| && kind == CONSTANT_Utf8) |
| ; |
| else |
| error ("<constant pool index %d unexpected type", index); |
| } |
| |
| switch (kind) |
| { |
| case CONSTANT_Class: |
| case CONSTANT_ResolvedClass: |
| { |
| /* For some reason I know not the what of, class names in |
| annotations are UTF-8 strings in the constant pool but |
| class names in EnclosingMethod attributes are real class |
| references. Set CONSTANT_LazyFlag here so that the VM |
| doesn't attempt to resolve them at class initialization |
| time. */ |
| tree resolved_class, class_name; |
| resolved_class = get_class_constant (jcf, index); |
| class_name = build_internal_class_name (resolved_class); |
| index = alloc_name_constant (CONSTANT_Class | CONSTANT_LazyFlag, |
| (unmangle_classname |
| (IDENTIFIER_POINTER(class_name), |
| IDENTIFIER_LENGTH(class_name)))); |
| break; |
| } |
| case CONSTANT_Utf8: |
| { |
| tree utf8 = get_constant (jcf, index); |
| if (purpose == CONSTANT_Class) |
| /* Create a constant pool entry for a type signature. This |
| one has '.' rather than '/' because it isn't going into a |
| class file, it's going into a compiled object. |
| |
| This has to match the logic in |
| _Jv_ClassReader::prepare_pool_entry(). */ |
| utf8 = unmangle_classname (IDENTIFIER_POINTER(utf8), |
| IDENTIFIER_LENGTH(utf8)); |
| index = alloc_name_constant (kind, utf8); |
| } |
| break; |
| |
| case CONSTANT_Long: |
| index = handle_long_constant (jcf, cpool, CONSTANT_Long, index, |
| targetm.words_big_endian ()); |
| break; |
| |
| case CONSTANT_Double: |
| index = handle_long_constant (jcf, cpool, CONSTANT_Double, index, |
| targetm.float_words_big_endian ()); |
| break; |
| |
| case CONSTANT_Float: |
| case CONSTANT_Integer: |
| index = find_constant1 (cpool, kind, JPOOL_INT (jcf, index)); |
| break; |
| |
| case CONSTANT_NameAndType: |
| { |
| uint16 name = JPOOL_USHORT1 (jcf, index); |
| uint16 sig = JPOOL_USHORT2 (jcf, index); |
| uint32 name_index = handle_constant (jcf, name, CONSTANT_Utf8); |
| uint32 sig_index = handle_constant (jcf, sig, CONSTANT_Class); |
| jword new_index = (name_index << 16) | sig_index; |
| index = find_constant1 (cpool, kind, new_index); |
| } |
| break; |
| |
| default: |
| abort (); |
| } |
| |
| return index; |
| } |
| |
| /* Read an element_value structure from an annotation in JCF. Return |
| the constant pool index for the resulting constant pool entry. */ |
| |
| static int |
| handle_element_value (JCF *jcf, int level) |
| { |
| uint8 tag = JCF_readu (jcf); |
| int index = 0; |
| |
| annotation_write_byte (tag); |
| switch (tag) |
| { |
| case 'B': |
| case 'C': |
| case 'S': |
| case 'Z': |
| case 'I': |
| { |
| uint16 cindex = JCF_readu2 (jcf); |
| index = handle_constant (jcf, cindex, |
| CONSTANT_Integer); |
| annotation_write_short (index); |
| } |
| break; |
| case 'D': |
| { |
| uint16 cindex = JCF_readu2 (jcf); |
| index = handle_constant (jcf, cindex, |
| CONSTANT_Double); |
| annotation_write_short (index); |
| } |
| break; |
| case 'F': |
| { |
| uint16 cindex = JCF_readu2 (jcf); |
| index = handle_constant (jcf, cindex, |
| CONSTANT_Float); |
| annotation_write_short (index); |
| } |
| break; |
| case 'J': |
| { |
| uint16 cindex = JCF_readu2 (jcf); |
| index = handle_constant (jcf, cindex, |
| CONSTANT_Long); |
| annotation_write_short (index); |
| } |
| break; |
| case 's': |
| { |
| uint16 cindex = JCF_readu2 (jcf); |
| /* Despite what the JVM spec says, compilers generate a Utf8 |
| constant here, not a String. */ |
| index = handle_constant (jcf, cindex, |
| CONSTANT_Utf8); |
| annotation_write_short (index); |
| } |
| break; |
| |
| case 'e': |
| { |
| uint16 type_name_index = JCF_readu2 (jcf); |
| uint16 const_name_index = JCF_readu2 (jcf); |
| index = handle_constant (jcf, type_name_index, |
| CONSTANT_Class); |
| annotation_write_short (index); |
| index = handle_constant (jcf, const_name_index, |
| CONSTANT_Utf8); |
| annotation_write_short (index); |
| } |
| break; |
| case 'c': |
| { |
| uint16 class_info_index = JCF_readu2 (jcf); |
| index = handle_constant (jcf, class_info_index, |
| CONSTANT_Class); |
| annotation_write_short (index); |
| } |
| break; |
| case '@': |
| { |
| handle_annotation (jcf, level + 1); |
| } |
| break; |
| case '[': |
| { |
| uint16 n_array_elts = JCF_readu2 (jcf); |
| annotation_write_short (n_array_elts); |
| while (n_array_elts--) |
| handle_element_value (jcf, level + 1); |
| } |
| break; |
| default: |
| abort(); |
| break; |
| } |
| return index; |
| } |
| |
| /* Read an annotation structure from JCF. Write it to the |
| reflection_data field of the outgoing class. */ |
| |
| static void |
| handle_annotation (JCF *jcf, int level) |
| { |
| uint16 type_index = JCF_readu2 (jcf); |
| uint16 npairs = JCF_readu2 (jcf); |
| int index = handle_constant (jcf, type_index, |
| CONSTANT_Class); |
| annotation_write_short (index); |
| annotation_write_short (npairs); |
| while (npairs--) |
| { |
| uint16 name_index = JCF_readu2 (jcf); |
| index = handle_constant (jcf, name_index, |
| CONSTANT_Utf8); |
| annotation_write_short (index); |
| handle_element_value (jcf, level + 2); |
| } |
| } |
| |
| /* Read an annotation count from JCF, and write the following |
| annotations to the reflection_data field of the outgoing class. */ |
| |
| static void |
| handle_annotations (JCF *jcf, int level) |
| { |
| uint16 num = JCF_readu2 (jcf); |
| annotation_write_short (num); |
| while (num--) |
| handle_annotation (jcf, level); |
| } |
| |
| /* As handle_annotations(), but perform a sanity check that we write |
| the same number of bytes that we were expecting. */ |
| |
| static void |
| handle_annotation_attribute (int ATTRIBUTE_UNUSED index, JCF *jcf, |
| long length) |
| { |
| long old_datasize = TYPE_REFLECTION_DATASIZE (current_class); |
| |
| handle_annotations (jcf, 0); |
| |
| gcc_assert (old_datasize + length |
| == TYPE_REFLECTION_DATASIZE (current_class)); |
| } |
| |
| /* gcj permutes its fields array after generating annotation_data, so |
| we have to fixup field indexes for fields that have moved. Given |
| ARG, a VEC_int, fixup the field indexes in the reflection_data of |
| the outgoing class. We use field_offsets to tell us where the |
| fixups must go. */ |
| |
| void |
| rewrite_reflection_indexes (void *arg) |
| { |
| bitmap_iterator bi; |
| unsigned int offset; |
| vec<int> *map = (vec<int> *) arg; |
| unsigned char *data = TYPE_REFLECTION_DATA (current_class); |
| |
| if (map) |
| { |
| EXECUTE_IF_SET_IN_BITMAP (field_offsets, 0, offset, bi) |
| { |
| uint16 index = annotation_read_short (data + offset); |
| annotation_rewrite_short |
| ((*map)[index], data + offset); |
| } |
| } |
| } |
| |
| /* Read the RuntimeVisibleAnnotations from JCF and write them to the |
| reflection_data of the outgoing class. */ |
| |
| static void |
| handle_member_annotations (int member_index, JCF *jcf, |
| const unsigned char *name ATTRIBUTE_UNUSED, |
| long len, jv_attr_type member_type) |
| { |
| int new_len = len + 1; |
| annotation_write_byte (member_type); |
| if (member_type != JV_CLASS_ATTR) |
| new_len += 2; |
| annotation_write_int (new_len); |
| annotation_write_byte (JV_ANNOTATIONS_KIND); |
| if (member_type == JV_FIELD_ATTR) |
| bitmap_set_bit (field_offsets, TYPE_REFLECTION_DATASIZE (current_class)); |
| if (member_type != JV_CLASS_ATTR) |
| annotation_write_short (member_index); |
| handle_annotation_attribute (member_index, jcf, len); |
| } |
| |
| /* Read the RuntimeVisibleParameterAnnotations from JCF and write them |
| to the reflection_data of the outgoing class. */ |
| |
| static void |
| handle_parameter_annotations (int member_index, JCF *jcf, |
| const unsigned char *name ATTRIBUTE_UNUSED, |
| long len, jv_attr_type member_type) |
| { |
| int new_len = len + 1; |
| uint8 num; |
| annotation_write_byte (member_type); |
| if (member_type != JV_CLASS_ATTR) |
| new_len += 2; |
| annotation_write_int (new_len); |
| annotation_write_byte (JV_PARAMETER_ANNOTATIONS_KIND); |
| if (member_type != JV_CLASS_ATTR) |
| annotation_write_short (member_index); |
| num = JCF_readu (jcf); |
| annotation_write_byte (num); |
| while (num--) |
| handle_annotations (jcf, 0); |
| } |
| |
| |
| /* Read the AnnotationDefault data from JCF and write them to the |
| reflection_data of the outgoing class. */ |
| |
| static void |
| handle_default_annotation (int member_index, JCF *jcf, |
| const unsigned char *name ATTRIBUTE_UNUSED, |
| long len, jv_attr_type member_type) |
| { |
| int new_len = len + 1; |
| annotation_write_byte (member_type); |
| if (member_type != JV_CLASS_ATTR) |
| new_len += 2; |
| annotation_write_int (new_len); |
| annotation_write_byte (JV_ANNOTATION_DEFAULT_KIND); |
| if (member_type != JV_CLASS_ATTR) |
| annotation_write_short (member_index); |
| handle_element_value (jcf, 0); |
| } |
| |
| /* As above, for the EnclosingMethod attribute. */ |
| |
| static void |
| handle_enclosingmethod_attribute (int member_index, JCF *jcf, |
| const unsigned char *name ATTRIBUTE_UNUSED, |
| long len, jv_attr_type member_type) |
| { |
| int new_len = len + 1; |
| uint16 index; |
| annotation_write_byte (member_type); |
| if (member_type != JV_CLASS_ATTR) |
| new_len += 2; |
| annotation_write_int (new_len); |
| annotation_write_byte (JV_ENCLOSING_METHOD_KIND); |
| if (member_type != JV_CLASS_ATTR) |
| annotation_write_short (member_index); |
| |
| index = JCF_readu2 (jcf); |
| index = handle_constant (jcf, index, CONSTANT_Class); |
| annotation_write_short (index); |
| |
| index = JCF_readu2 (jcf); |
| index = handle_constant (jcf, index, CONSTANT_NameAndType); |
| annotation_write_short (index); |
| } |
| |
| /* As above, for the Signature attribute. */ |
| |
| static void |
| handle_signature_attribute (int member_index, JCF *jcf, |
| const unsigned char *name ATTRIBUTE_UNUSED, |
| long len, jv_attr_type member_type) |
| { |
| int new_len = len + 1; |
| uint16 index; |
| annotation_write_byte (member_type); |
| if (member_type != JV_CLASS_ATTR) |
| new_len += 2; |
| annotation_write_int (new_len); |
| annotation_write_byte (JV_SIGNATURE_KIND); |
| if (member_type != JV_CLASS_ATTR) |
| annotation_write_short (member_index); |
| |
| index = JCF_readu2 (jcf); |
| index = handle_constant (jcf, index, CONSTANT_Utf8); |
| annotation_write_short (index); |
| } |
| |
| |
| |
| #define HANDLE_SOURCEFILE(INDEX) set_source_filename (jcf, INDEX) |
| |
| #define HANDLE_CLASS_INFO(ACCESS_FLAGS, THIS, SUPER, INTERFACES_COUNT) \ |
| { tree super_class = SUPER==0 ? NULL_TREE : get_class_constant (jcf, SUPER); \ |
| output_class = current_class = give_name_to_class (jcf, THIS); \ |
| set_super_info (ACCESS_FLAGS, current_class, super_class, INTERFACES_COUNT);} |
| |
| #define HANDLE_CLASS_INTERFACE(INDEX) \ |
| add_interface (current_class, get_class_constant (jcf, INDEX)) |
| |
| #define HANDLE_START_FIELD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \ |
| { int sig_index = SIGNATURE; \ |
| current_field = add_field (current_class, get_name_constant (jcf, NAME), \ |
| parse_signature (jcf, sig_index), ACCESS_FLAGS); \ |
| set_java_signature (TREE_TYPE (current_field), JPOOL_UTF (jcf, sig_index)); \ |
| if ((ACCESS_FLAGS) & ACC_FINAL) \ |
| MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC (current_field); \ |
| } |
| |
| #define HANDLE_END_FIELDS() \ |
| (current_field = NULL_TREE) |
| |
| #define HANDLE_CONSTANTVALUE(INDEX) \ |
| { tree constant; int index = INDEX; \ |
| if (JPOOL_TAG (jcf, index) == CONSTANT_String) { \ |
| tree name = get_name_constant (jcf, JPOOL_USHORT1 (jcf, index)); \ |
| constant = build_utf8_ref (name); \ |
| } \ |
| else \ |
| constant = get_constant (jcf, index); \ |
| set_constant_value (current_field, constant); } |
| |
| #define HANDLE_METHOD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \ |
| (current_method = add_method (current_class, ACCESS_FLAGS, \ |
| get_name_constant (jcf, NAME), \ |
| get_name_constant (jcf, SIGNATURE)), \ |
| DECL_LOCALVARIABLES_OFFSET (current_method) = 0, \ |
| DECL_LINENUMBERS_OFFSET (current_method) = 0) |
| |
| #define HANDLE_END_METHODS() \ |
| { current_method = NULL_TREE; } |
| |
| #define HANDLE_CODE_ATTRIBUTE(MAX_STACK, MAX_LOCALS, CODE_LENGTH) \ |
| { DECL_MAX_STACK (current_method) = (MAX_STACK); \ |
| DECL_MAX_LOCALS (current_method) = (MAX_LOCALS); \ |
| DECL_CODE_LENGTH (current_method) = (CODE_LENGTH); \ |
| DECL_CODE_OFFSET (current_method) = JCF_TELL (jcf); } |
| |
| #define HANDLE_LOCALVARIABLETABLE_ATTRIBUTE(COUNT) \ |
| { int n = (COUNT); \ |
| DECL_LOCALVARIABLES_OFFSET (current_method) = JCF_TELL (jcf) - 2; \ |
| JCF_SKIP (jcf, n * 10); } |
| |
| #define HANDLE_LINENUMBERTABLE_ATTRIBUTE(COUNT) \ |
| { int n = (COUNT); \ |
| DECL_LINENUMBERS_OFFSET (current_method) = JCF_TELL (jcf) - 2; \ |
| JCF_SKIP (jcf, n * 4); } |
| |
| #define HANDLE_EXCEPTIONS_ATTRIBUTE(COUNT) \ |
| { \ |
| int n = COUNT; \ |
| vec<tree, va_gc> *v; \ |
| vec_alloc (v, n); \ |
| gcc_assert (!DECL_FUNCTION_THROWS (current_method)); \ |
| while (--n >= 0) \ |
| { \ |
| tree thrown_class = get_class_constant (jcf, JCF_readu2 (jcf)); \ |
| v->quick_push (thrown_class); \ |
| } \ |
| DECL_FUNCTION_THROWS (current_method) = v; \ |
| } |
| |
| #define HANDLE_DEPRECATED_ATTRIBUTE() handle_deprecated () |
| |
| /* Link seen inner classes to their outer context and register the |
| inner class to its outer context. They will be later loaded. */ |
| #define HANDLE_INNERCLASSES_ATTRIBUTE(COUNT) \ |
| handle_innerclass_attribute (COUNT, jcf, attribute_length) |
| |
| #define HANDLE_SYNTHETIC_ATTRIBUTE() \ |
| { \ |
| /* Irrelevant decls should have been nullified by the END macros. \ |
| DECL_ARTIFICIAL on fields is used for something else (See \ |
| PUSH_FIELD in java-tree.h) */ \ |
| if (current_method) \ |
| DECL_ARTIFICIAL (current_method) = 1; \ |
| else if (current_field) \ |
| FIELD_SYNTHETIC (current_field) = 1; \ |
| else \ |
| TYPE_SYNTHETIC (current_class) = 1; \ |
| } |
| |
| #define HANDLE_GCJCOMPILED_ATTRIBUTE() \ |
| { \ |
| if (current_class == object_type_node) \ |
| jcf->right_zip = 1; \ |
| } |
| |
| #define HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE() \ |
| { \ |
| handle_member_annotations (index, jcf, name_data, attribute_length, attr_type); \ |
| } |
| |
| #define HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE() \ |
| { \ |
| JCF_SKIP(jcf, attribute_length); \ |
| } |
| |
| #define HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE() \ |
| { \ |
| handle_parameter_annotations (index, jcf, name_data, attribute_length, attr_type); \ |
| } |
| |
| #define HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE() \ |
| { \ |
| JCF_SKIP(jcf, attribute_length); \ |
| } |
| |
| #define HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE() \ |
| { \ |
| handle_default_annotation (index, jcf, name_data, attribute_length, attr_type); \ |
| } |
| |
| #define HANDLE_ENCLOSINGMETHOD_ATTRIBUTE() \ |
| { \ |
| handle_enclosingmethod_attribute (index, jcf, name_data, \ |
| attribute_length, attr_type); \ |
| } |
| |
| #define HANDLE_SIGNATURE_ATTRIBUTE() \ |
| { \ |
| handle_signature_attribute (index, jcf, name_data, \ |
| attribute_length, attr_type); \ |
| } |
| |
| #include "jcf-reader.c" |
| |
| tree |
| parse_signature (JCF *jcf, int sig_index) |
| { |
| gcc_assert (sig_index > 0 |
| && sig_index < JPOOL_SIZE (jcf) |
| && JPOOL_TAG (jcf, sig_index) == CONSTANT_Utf8); |
| |
| return parse_signature_string (JPOOL_UTF_DATA (jcf, sig_index), |
| JPOOL_UTF_LENGTH (jcf, sig_index)); |
| } |
| |
| tree |
| get_constant (JCF *jcf, int index) |
| { |
| tree value; |
| int tag; |
| if (index <= 0 || index >= JPOOL_SIZE(jcf)) |
| goto bad; |
| tag = JPOOL_TAG (jcf, index); |
| if ((tag & CONSTANT_ResolvedFlag) || tag == CONSTANT_Utf8) |
| return jcf->cpool.data[index].t; |
| switch (tag) |
| { |
| case CONSTANT_Integer: |
| { |
| jint num = JPOOL_INT(jcf, index); |
| value = build_int_cst (int_type_node, num); |
| break; |
| } |
| case CONSTANT_Long: |
| { |
| unsigned HOST_WIDE_INT num; |
| double_int val; |
| |
| num = JPOOL_UINT (jcf, index); |
| val = double_int::from_uhwi (num).llshift (32, 64); |
| num = JPOOL_UINT (jcf, index + 1); |
| val |= double_int::from_uhwi (num); |
| |
| value = double_int_to_tree (long_type_node, val); |
| break; |
| } |
| |
| case CONSTANT_Float: |
| { |
| jint num = JPOOL_INT(jcf, index); |
| long buf = num; |
| REAL_VALUE_TYPE d; |
| |
| real_from_target_fmt (&d, &buf, &ieee_single_format); |
| value = build_real (float_type_node, d); |
| break; |
| } |
| |
| case CONSTANT_Double: |
| { |
| long buf[2], lo, hi; |
| REAL_VALUE_TYPE d; |
| |
| hi = JPOOL_UINT (jcf, index); |
| lo = JPOOL_UINT (jcf, index+1); |
| |
| if (targetm.float_words_big_endian ()) |
| buf[0] = hi, buf[1] = lo; |
| else |
| buf[0] = lo, buf[1] = hi; |
| |
| real_from_target_fmt (&d, buf, &ieee_double_format); |
| value = build_real (double_type_node, d); |
| break; |
| } |
| |
| case CONSTANT_String: |
| { |
| tree name = get_name_constant (jcf, JPOOL_USHORT1 (jcf, index)); |
| const char *utf8_ptr = IDENTIFIER_POINTER (name); |
| int utf8_len = IDENTIFIER_LENGTH (name); |
| const unsigned char *utf8; |
| int i; |
| |
| /* Check for a malformed Utf8 string. */ |
| utf8 = (const unsigned char *) utf8_ptr; |
| i = utf8_len; |
| while (i > 0) |
| { |
| int char_len = UT8_CHAR_LENGTH (*utf8); |
| if (char_len < 0 || char_len > 3 || char_len > i) |
| fatal_error ("bad string constant"); |
| |
| utf8 += char_len; |
| i -= char_len; |
| } |
| |
| /* Allocate a new string value. */ |
| value = build_string (utf8_len, utf8_ptr); |
| TREE_TYPE (value) = build_pointer_type (string_type_node); |
| } |
| break; |
| default: |
| goto bad; |
| } |
| JPOOL_TAG (jcf, index) = tag | CONSTANT_ResolvedFlag; |
| jcf->cpool.data[index].t = value; |
| return value; |
| bad: |
| fatal_error ("bad value constant type %d, index %d", |
| JPOOL_TAG (jcf, index), index); |
| } |
| |
| tree |
| get_name_constant (JCF *jcf, int index) |
| { |
| tree name = get_constant (jcf, index); |
| gcc_assert (TREE_CODE (name) == IDENTIFIER_NODE); |
| return name; |
| } |
| |
| /* Handle reading innerclass attributes. If a nonzero entry (denoting |
| a non anonymous entry) is found, We augment the inner class list of |
| the outer context with the newly resolved innerclass. */ |
| |
| static void |
| handle_innerclass_attribute (int count, JCF *jcf, int attribute_length) |
| { |
| int c = count; |
| |
| annotation_write_byte (JV_CLASS_ATTR); |
| annotation_write_int (attribute_length+1); |
| annotation_write_byte (JV_INNER_CLASSES_KIND); |
| annotation_write_short (count); |
| |
| while (c--) |
| { |
| /* Read inner_class_info_index. This may be 0 */ |
| int icii = JCF_readu2 (jcf); |
| /* Read outer_class_info_index. If the innerclasses attribute |
| entry isn't a member (like an inner class) the value is 0. */ |
| int ocii = JCF_readu2 (jcf); |
| /* Read inner_name_index. If the class we're dealing with is |
| an anonymous class, it must be 0. */ |
| int ini = JCF_readu2 (jcf); |
| /* Read the access flag. */ |
| int acc = JCF_readu2 (jcf); |
| |
| annotation_write_short (handle_constant (jcf, icii, CONSTANT_Class)); |
| annotation_write_short (handle_constant (jcf, ocii, CONSTANT_Class)); |
| annotation_write_short (handle_constant (jcf, ini, CONSTANT_Utf8)); |
| annotation_write_short (acc); |
| |
| /* If icii is 0, don't try to read the class. */ |
| if (icii >= 0) |
| { |
| tree klass = get_class_constant (jcf, icii); |
| tree decl = TYPE_NAME (klass); |
| /* Skip reading further if ocii is null */ |
| if (DECL_P (decl) && !CLASS_COMPLETE_P (decl) && ocii) |
| { |
| tree outer = TYPE_NAME (get_class_constant (jcf, ocii)); |
| tree alias = (ini ? get_name_constant (jcf, ini) : NULL_TREE); |
| set_class_decl_access_flags (acc, decl); |
| DECL_CONTEXT (decl) = outer; |
| DECL_INNER_CLASS_LIST (outer) = |
| tree_cons (decl, alias, DECL_INNER_CLASS_LIST (outer)); |
| CLASS_COMPLETE_P (decl) = 1; |
| } |
| } |
| } |
| } |
| |
| static tree |
| give_name_to_class (JCF *jcf, int i) |
| { |
| gcc_assert (i > 0 |
| && i < JPOOL_SIZE (jcf) |
| && JPOOL_TAG (jcf, i) == CONSTANT_Class); |
| |
| { |
| tree package_name = NULL_TREE, tmp; |
| tree this_class; |
| int j = JPOOL_USHORT1 (jcf, i); |
| /* verify_constant_pool confirmed that j is a CONSTANT_Utf8. */ |
| tree class_name = unmangle_classname ((const char *) JPOOL_UTF_DATA (jcf, j), |
| JPOOL_UTF_LENGTH (jcf, j)); |
| this_class = lookup_class (class_name); |
| { |
| tree source_name = identifier_subst (class_name, "", '.', '/', ".java"); |
| const char *sfname = find_sourcefile (IDENTIFIER_POINTER (source_name)); |
| linemap_add (line_table, LC_ENTER, false, sfname, 0); |
| input_location = linemap_line_start (line_table, 0, 1); |
| file_start_location = input_location; |
| DECL_SOURCE_LOCATION (TYPE_NAME (this_class)) = input_location; |
| if (main_input_filename == NULL && jcf == main_jcf) |
| main_input_filename = sfname; |
| } |
| |
| jcf->cpool.data[i].t = this_class; |
| JPOOL_TAG (jcf, i) = CONSTANT_ResolvedClass; |
| split_qualified_name (&package_name, &tmp, |
| DECL_NAME (TYPE_NAME (this_class))); |
| TYPE_PACKAGE (this_class) = package_name; |
| return this_class; |
| } |
| } |
| |
| /* Get the class of the CONSTANT_Class whose constant pool index is I. */ |
| |
| tree |
| get_class_constant (JCF *jcf, int i) |
| { |
| tree type; |
| gcc_assert (i > 0 |
| && i < JPOOL_SIZE (jcf) |
| && (JPOOL_TAG (jcf, i) & ~CONSTANT_ResolvedFlag) == CONSTANT_Class); |
| |
| if (JPOOL_TAG (jcf, i) != CONSTANT_ResolvedClass) |
| { |
| int name_index = JPOOL_USHORT1 (jcf, i); |
| /* verify_constant_pool confirmed that name_index is a CONSTANT_Utf8. */ |
| const char *name = (const char *) JPOOL_UTF_DATA (jcf, name_index); |
| int nlength = JPOOL_UTF_LENGTH (jcf, name_index); |
| |
| if (name[0] == '[') /* Handle array "classes". */ |
| type = TREE_TYPE (parse_signature_string ((const unsigned char *) name, nlength)); |
| else |
| { |
| tree cname = unmangle_classname (name, nlength); |
| type = lookup_class (cname); |
| } |
| jcf->cpool.data[i].t = type; |
| JPOOL_TAG (jcf, i) = CONSTANT_ResolvedClass; |
| } |
| else |
| type = jcf->cpool.data[i].t; |
| return type; |
| } |
| |
| /* Read a class with the fully qualified-name NAME. |
| Return 1 iff we read the requested file. |
| (It is still possible we failed if the file did not |
| define the class it is supposed to.) */ |
| |
| int |
| read_class (tree name) |
| { |
| JCF this_jcf, *jcf; |
| tree icv, klass = NULL_TREE; |
| tree save_current_class = current_class; |
| tree save_output_class = output_class; |
| location_t save_location = input_location; |
| JCF *save_current_jcf = current_jcf; |
| |
| if ((icv = IDENTIFIER_CLASS_VALUE (name)) != NULL_TREE) |
| { |
| klass = TREE_TYPE (icv); |
| jcf = TYPE_JCF (klass); |
| } |
| else |
| jcf = NULL; |
| |
| if (jcf == NULL) |
| { |
| const char* path_name; |
| this_jcf.zipd = NULL; |
| jcf = &this_jcf; |
| |
| path_name = find_class (IDENTIFIER_POINTER (name), |
| IDENTIFIER_LENGTH (name), |
| &this_jcf); |
| if (path_name == 0) |
| return 0; |
| else |
| free(CONST_CAST (char *, path_name)); |
| } |
| |
| current_jcf = jcf; |
| |
| if (klass == NULL_TREE || ! CLASS_PARSED_P (klass)) |
| { |
| output_class = current_class = klass; |
| if (JCF_SEEN_IN_ZIP (current_jcf)) |
| read_zip_member(current_jcf, |
| current_jcf->zipd, current_jcf->zipd->zipf); |
| jcf_parse (current_jcf); |
| /* Parsing might change the class, in which case we have to |
| put it back where we found it. */ |
| if (current_class != klass && icv != NULL_TREE) |
| TREE_TYPE (icv) = current_class; |
| klass = current_class; |
| } |
| layout_class (klass); |
| load_inner_classes (klass); |
| |
| output_class = save_output_class; |
| current_class = save_current_class; |
| input_location = save_location; |
| current_jcf = save_current_jcf; |
| return 1; |
| } |
| |
| /* Load CLASS_OR_NAME. CLASS_OR_NAME can be a mere identifier if |
| called from the parser, otherwise it's a RECORD_TYPE node. If |
| VERBOSE is 1, print error message on failure to load a class. */ |
| void |
| load_class (tree class_or_name, int verbose) |
| { |
| tree name, saved; |
| int class_loaded = 0; |
| tree class_decl = NULL_TREE; |
| bool is_compiled_class = false; |
| |
| /* We've already failed, don't try again. */ |
| if (TREE_CODE (class_or_name) == RECORD_TYPE |
| && TYPE_DUMMY (class_or_name)) |
| return; |
| |
| /* class_or_name can be the name of the class we want to load */ |
| if (TREE_CODE (class_or_name) == IDENTIFIER_NODE) |
| name = class_or_name; |
| /* In some cases, it's a dependency that we process earlier that |
| we though */ |
| else if (TREE_CODE (class_or_name) == TREE_LIST) |
| name = TYPE_NAME (TREE_PURPOSE (class_or_name)); |
| /* Or it's a type in the making */ |
| else |
| name = DECL_NAME (TYPE_NAME (class_or_name)); |
| |
| class_decl = IDENTIFIER_CLASS_VALUE (name); |
| if (class_decl != NULL_TREE) |
| { |
| tree type = TREE_TYPE (class_decl); |
| is_compiled_class |
| = ((TYPE_JCF (type) && JCF_SEEN_IN_ZIP (TYPE_JCF (type))) |
| || CLASS_FROM_CURRENTLY_COMPILED_P (type)); |
| } |
| |
| saved = name; |
| |
| /* If flag_verify_invocations is unset, we don't try to load a class |
| unless we're looking for Object (which is fixed by the ABI) or |
| it's a class that we're going to compile. */ |
| if (flag_verify_invocations |
| || class_or_name == object_type_node |
| || is_compiled_class |
| || TREE_CODE (class_or_name) == IDENTIFIER_NODE) |
| { |
| while (1) |
| { |
| const char *separator; |
| |
| /* We've already loaded it. */ |
| if (IDENTIFIER_CLASS_VALUE (name) != NULL_TREE) |
| { |
| tree tmp_decl = IDENTIFIER_CLASS_VALUE (name); |
| if (CLASS_PARSED_P (TREE_TYPE (tmp_decl))) |
| break; |
| } |
| |
| if (read_class (name)) |
| break; |
| |
| /* We failed loading name. Now consider that we might be looking |
| for an inner class. */ |
| if ((separator = strrchr (IDENTIFIER_POINTER (name), '$')) |
| || (separator = strrchr (IDENTIFIER_POINTER (name), '.'))) |
| name = get_identifier_with_length (IDENTIFIER_POINTER (name), |
| (separator |
| - IDENTIFIER_POINTER (name))); |
| /* Otherwise, we failed, we bail. */ |
| else |
| break; |
| } |
| |
| { |
| /* have we found the class we're looking for? */ |
| tree type_decl = IDENTIFIER_CLASS_VALUE (saved); |
| tree type = type_decl ? TREE_TYPE (type_decl) : NULL; |
| class_loaded = type && CLASS_PARSED_P (type); |
| } |
| } |
| |
| if (!class_loaded) |
| { |
| if (flag_verify_invocations || ! flag_indirect_dispatch) |
| { |
| if (verbose) |
| error ("cannot find file for class %s", IDENTIFIER_POINTER (saved)); |
| } |
| else if (verbose) |
| { |
| /* This is just a diagnostic during testing, not a real problem. */ |
| if (!quiet_flag) |
| warning (0, "cannot find file for class %s", |
| IDENTIFIER_POINTER (saved)); |
| |
| /* Fake it. */ |
| if (TREE_CODE (class_or_name) == RECORD_TYPE) |
| { |
| set_super_info (0, class_or_name, object_type_node, 0); |
| TYPE_DUMMY (class_or_name) = 1; |
| /* We won't be able to output any debug info for this class. */ |
| DECL_IGNORED_P (TYPE_NAME (class_or_name)) = 1; |
| } |
| } |
| } |
| } |
| |
| /* Parse the .class file JCF. */ |
| |
| static void |
| jcf_parse (JCF* jcf) |
| { |
| int i, code; |
| |
| bitmap_clear (field_offsets); |
| |
| if (jcf_parse_preamble (jcf) != 0) |
| fatal_error ("not a valid Java .class file"); |
| code = jcf_parse_constant_pool (jcf); |
| if (code != 0) |
| fatal_error ("error while parsing constant pool"); |
| code = verify_constant_pool (jcf); |
| if (code > 0) |
| fatal_error ("error in constant pool entry #%d\n", code); |
| |
| jcf_parse_class (jcf); |
| if (main_class == NULL_TREE) |
| main_class = current_class; |
| if (! quiet_flag && TYPE_NAME (current_class)) |
| fprintf (stderr, " %s %s", |
| (jcf->access_flags & ACC_INTERFACE) ? "interface" : "class", |
| IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class)))); |
| if (CLASS_PARSED_P (current_class)) |
| { |
| /* FIXME - where was first time */ |
| fatal_error ("reading class %s for the second time from %s", |
| IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class))), |
| jcf->filename); |
| } |
| CLASS_PARSED_P (current_class) = 1; |
| |
| for (i = 1; i < JPOOL_SIZE(jcf); i++) |
| { |
| switch (JPOOL_TAG (jcf, i)) |
| { |
| case CONSTANT_Class: |
| get_class_constant (jcf, i); |
| break; |
| } |
| } |
| |
| code = jcf_parse_fields (jcf); |
| if (code != 0) |
| fatal_error ("error while parsing fields"); |
| code = jcf_parse_methods (jcf); |
| if (code != 0) |
| fatal_error ("error while parsing methods"); |
| code = jcf_parse_final_attributes (jcf); |
| if (code != 0) |
| fatal_error ("error while parsing final attributes"); |
| |
| if (TYPE_REFLECTION_DATA (current_class)) |
| annotation_write_byte (JV_DONE_ATTR); |
| |
| linemap_add (line_table, LC_LEAVE, false, NULL, 0); |
| |
| /* The fields of class_type_node are already in correct order. */ |
| if (current_class != class_type_node && current_class != object_type_node) |
| TYPE_FIELDS (current_class) = nreverse (TYPE_FIELDS (current_class)); |
| |
| if (current_class == object_type_node) |
| layout_class_methods (object_type_node); |
| else |
| vec_safe_push (all_class_list, TYPE_NAME (current_class)); |
| } |
| |
| /* If we came across inner classes, load them now. */ |
| static void |
| load_inner_classes (tree cur_class) |
| { |
| tree current; |
| for (current = DECL_INNER_CLASS_LIST (TYPE_NAME (cur_class)); current; |
| current = TREE_CHAIN (current)) |
| { |
| tree name = DECL_NAME (TREE_PURPOSE (current)); |
| tree decl = IDENTIFIER_GLOBAL_VALUE (name); |
| if (decl && ! CLASS_LOADED_P (TREE_TYPE (decl)) |
| && !CLASS_BEING_LAIDOUT (TREE_TYPE (decl))) |
| load_class (name, 1); |
| } |
| } |
| |
| static void |
| duplicate_class_warning (const char *filename) |
| { |
| location_t warn_loc; |
| linemap_add (line_table, LC_RENAME, 0, filename, 0); |
| warn_loc = linemap_line_start (line_table, 0, 1); |
| warning_at (warn_loc, 0, "duplicate class will only be compiled once"); |
| } |
| |
| static void |
| java_layout_seen_class_methods (void) |
| { |
| unsigned start = 0; |
| unsigned end = vec_safe_length (all_class_list); |
| |
| while (1) |
| { |
| unsigned ix; |
| unsigned new_length; |
| |
| for (ix = start; ix != end; ix++) |
| { |
| tree decl = (*all_class_list)[ix]; |
| tree cls = TREE_TYPE (decl); |
| |
| input_location = DECL_SOURCE_LOCATION (decl); |
| |
| if (! CLASS_LOADED_P (cls)) |
| load_class (cls, 0); |
| |
| layout_class_methods (cls); |
| } |
| |
| /* Note that new classes might have been added while laying out |
| methods, changing the value of all_class_list. */ |
| new_length = vec_safe_length (all_class_list); |
| if (end != new_length) |
| { |
| start = end; |
| end = new_length; |
| } |
| else |
| break; |
| } |
| } |
| |
| static void |
| parse_class_file (void) |
| { |
| tree method; |
| location_t save_location = input_location; |
| |
| java_layout_seen_class_methods (); |
| |
| input_location = DECL_SOURCE_LOCATION (TYPE_NAME (current_class)); |
| { |
| /* Re-enter the current file. */ |
| expanded_location loc = expand_location (input_location); |
| linemap_add (line_table, LC_ENTER, 0, loc.file, loc.line); |
| } |
| file_start_location = input_location; |
| (*debug_hooks->start_source_file) (LOCATION_LINE (input_location), |
| LOCATION_FILE (input_location)); |
| |
| java_mark_class_local (current_class); |
| |
| gen_indirect_dispatch_tables (current_class); |
| |
| for (method = TYPE_METHODS (current_class); |
| method != NULL_TREE; method = DECL_CHAIN (method)) |
| { |
| JCF *jcf = current_jcf; |
| |
| if (METHOD_ABSTRACT (method) || METHOD_DUMMY (method)) |
| continue; |
| |
| if (METHOD_NATIVE (method)) |
| { |
| tree arg; |
| int decl_max_locals; |
| |
| if (! flag_jni) |
| continue; |
| /* We need to compute the DECL_MAX_LOCALS. We need to take |
| the wide types into account too. */ |
| for (arg = TYPE_ARG_TYPES (TREE_TYPE (method)), decl_max_locals = 0; |
| arg != end_params_node; |
| arg = TREE_CHAIN (arg), decl_max_locals += 1) |
| { |
| if (TREE_VALUE (arg) && TYPE_IS_WIDE (TREE_VALUE (arg))) |
| decl_max_locals += 1; |
| } |
| DECL_MAX_LOCALS (method) = decl_max_locals; |
| start_java_method (method); |
| give_name_to_locals (jcf); |
| *get_stmts () = build_jni_stub (method); |
| end_java_method (); |
| continue; |
| } |
| |
| if (DECL_CODE_OFFSET (method) == 0) |
| { |
| current_function_decl = method; |
| error ("missing Code attribute"); |
| continue; |
| } |
| |
| input_location = DECL_SOURCE_LOCATION (TYPE_NAME (current_class)); |
| if (DECL_LINENUMBERS_OFFSET (method)) |
| { |
| int i; |
| int min_line = 0; |
| unsigned char *ptr; |
| JCF_SEEK (jcf, DECL_LINENUMBERS_OFFSET (method)); |
| linenumber_count = i = JCF_readu2 (jcf); |
| linenumber_table = ptr = jcf->read_ptr; |
| |
| for (ptr += 2; --i >= 0; ptr += 4) |
| { |
| int line = GET_u2 (ptr); |
| /* Set initial line of input_location to smallest |
| * linenumber. |
| * Needs to be set before init_function_start. */ |
| if (min_line == 0 || line < min_line) |
| min_line = line; |
| } |
| if (min_line != 0) |
| input_location = linemap_line_start (line_table, min_line, 1); |
| } |
| else |
| { |
| linenumber_table = NULL; |
| linenumber_count = 0; |
| } |
| |
| start_java_method (method); |
| |
| note_instructions (jcf, method); |
| |
| give_name_to_locals (jcf); |
| |
| /* Bump up start_label_pc_this_method so we get a unique label number |
| and reset highest_label_pc_this_method. */ |
| if (highest_label_pc_this_method >= 0) |
| { |
| /* We adjust to the next multiple of 1000. This is just a frill |
| so the last 3 digits of the label number match the bytecode |
| offset, which might make debugging marginally more convenient. */ |
| start_label_pc_this_method |
| = ((((start_label_pc_this_method + highest_label_pc_this_method) |
| / 1000) |
| + 1) |
| * 1000); |
| highest_label_pc_this_method = -1; |
| } |
| |
| /* Convert bytecode to trees. */ |
| expand_byte_code (jcf, method); |
| |
| end_java_method (); |
| } |
| |
| finish_class (); |
| |
| (*debug_hooks->end_source_file) (LOCATION_LINE (save_location)); |
| input_location = save_location; |
| } |
| |
| static vec<tree, va_gc> *predefined_filenames; |
| |
| void |
| add_predefined_file (tree name) |
| { |
| vec_safe_push (predefined_filenames, name); |
| } |
| |
| int |
| predefined_filename_p (tree node) |
| { |
| unsigned ix; |
| tree f; |
| |
| FOR_EACH_VEC_SAFE_ELT (predefined_filenames, ix, f) |
| if (f == node) |
| return 1; |
| |
| return 0; |
| } |
| |
| /* Generate a function that does all static initialization for this |
| translation unit. */ |
| |
| static void |
| java_emit_static_constructor (void) |
| { |
| tree body = NULL; |
| |
| emit_register_classes (&body); |
| write_resource_constructor (&body); |
| |
| if (body) |
| { |
| tree name = get_identifier ("_Jv_global_static_constructor"); |
| |
| tree decl |
| = build_decl (input_location, FUNCTION_DECL, name, |
| build_function_type_list (void_type_node, NULL_TREE)); |
| |
| tree resdecl = build_decl (input_location, |
| RESULT_DECL, NULL_TREE, void_type_node); |
| DECL_ARTIFICIAL (resdecl) = 1; |
| DECL_RESULT (decl) = resdecl; |
| current_function_decl = decl; |
| allocate_struct_function (decl, false); |
| |
| TREE_STATIC (decl) = 1; |
| TREE_USED (decl) = 1; |
| DECL_ARTIFICIAL (decl) = 1; |
| DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (decl) = 1; |
| DECL_SAVED_TREE (decl) = body; |
| DECL_UNINLINABLE (decl) = 1; |
| |
| DECL_INITIAL (decl) = make_node (BLOCK); |
| TREE_USED (DECL_INITIAL (decl)) = 1; |
| |
| DECL_STATIC_CONSTRUCTOR (decl) = 1; |
| java_genericize (decl); |
| cgraph_finalize_function (decl, false); |
| } |
| } |
| |
| |
| void |
| java_parse_file (void) |
| { |
| int filename_count = 0; |
| location_t save_location = input_location; |
| char *file_list = NULL, *list, *next; |
| tree node; |
| FILE *finput = NULL; |
| int in_quotes = 0; |
| unsigned ix; |
| |
| bitmap_obstack_initialize (&bit_obstack); |
| field_offsets = BITMAP_ALLOC (&bit_obstack); |
| |
| if (flag_filelist_file) |
| { |
| int avail = 2000; |
| finput = fopen (main_input_filename, "r"); |
| if (finput == NULL) |
| fatal_error ("can%'t open %s: %m", LOCATION_FILE (input_location)); |
| list = XNEWVEC (char, avail); |
| next = list; |
| for (;;) |
| { |
| int count; |
| if (avail < 500) |
| { |
| count = next - list; |
| avail = 2 * (count + avail); |
| list = XRESIZEVEC (char, list, avail); |
| next = list + count; |
| avail = avail - count; |
| } |
| /* Subtract one to guarantee space for final '\0'. */ |
| count = fread (next, 1, avail - 1, finput); |
| if (count == 0) |
| { |
| if (! feof (finput)) |
| fatal_error ("error closing %s: %m", |
| LOCATION_FILE (input_location)); |
| *next = '\0'; |
| break; |
| } |
| avail -= count; |
| next += count; |
| } |
| fclose (finput); |
| finput = NULL; |
| file_list = list; |
| } |
| else |
| list = CONST_CAST (char *, main_input_filename); |
| |
| while (list) |
| { |
| for (next = list; ; ) |
| { |
| char ch = *next; |
| if (flag_filelist_file && ! in_quotes |
| && (ch == '\n' || ch == '\r' || ch == '\t' || ch == ' ' |
| || ch == '&') /* FIXME */) |
| { |
| if (next == list) |
| { |
| next++; |
| list = next; |
| continue; |
| } |
| else |
| { |
| *next++ = '\0'; |
| break; |
| } |
| } |
| if (flag_filelist_file && ch == '"') |
| { |
| in_quotes = ! in_quotes; |
| *next++ = '\0'; |
| if (in_quotes) |
| list = next; |
| else |
| break; |
| } |
| if (ch == '\0') |
| { |
| next = NULL; |
| break; |
| } |
| next++; |
| } |
| |
| /* Exclude .java files. */ |
| if (strlen (list) > 5 && ! strcmp (list + strlen (list) - 5, ".java")) |
| { |
| /* Nothing. */ |
| } |
| else if (list[0]) |
| { |
| node = get_identifier (list); |
| |
| filename_count++; |
| |
| /* Exclude file that we see twice on the command line. */ |
| |
| if (IS_A_COMMAND_LINE_FILENAME_P (node)) |
| duplicate_class_warning (IDENTIFIER_POINTER (node)); |
| else |
| { |
| build_translation_unit_decl (node); |
| IS_A_COMMAND_LINE_FILENAME_P (node) = 1; |
| } |
| } |
| list = next; |
| } |
| |
| free (file_list); |
| |
| if (filename_count == 0) |
| warning (0, "no input file specified"); |
| |
| if (resource_name) |
| { |
| const char *resource_filename; |
| |
| /* Only one resource file may be compiled at a time. */ |
| gcc_assert (all_translation_units->length () == 1); |
| |
| resource_filename |
| = IDENTIFIER_POINTER (DECL_NAME ((*all_translation_units)[0])); |
| compile_resource_file (resource_name, resource_filename); |
| |
| goto finish; |
| } |
| |
| current_jcf = main_jcf; |
| FOR_EACH_VEC_ELT (*all_translation_units, ix, node) |
| { |
| unsigned char magic_string[4]; |
| char *real_path; |
| uint32 magic = 0; |
| tree name = DECL_NAME (node); |
| tree real_file; |
| const char *filename = IDENTIFIER_POINTER (name); |
| |
| /* Skip already parsed files */ |
| real_path = lrealpath (filename); |
| real_file = get_identifier (real_path); |
| free (real_path); |
| if (HAS_BEEN_ALREADY_PARSED_P (real_file)) |
| continue; |
| |
| /* Close previous descriptor, if any */ |
| if (finput && fclose (finput)) |
| fatal_error ("can%'t close input file %s: %m", main_input_filename); |
| |
| finput = fopen (filename, "rb"); |
| if (finput == NULL) |
| fatal_error ("can%'t open %s: %m", filename); |
| |
| #ifdef IO_BUFFER_SIZE |
| setvbuf (finput, xmalloc (IO_BUFFER_SIZE), |
| _IOFBF, IO_BUFFER_SIZE); |
| #endif |
| |
| /* Figure what kind of file we're dealing with */ |
| if (fread (magic_string, 1, 4, finput) == 4) |
| { |
| fseek (finput, 0L, SEEK_SET); |
| magic = GET_u4 (magic_string); |
| } |
| if (magic == 0xcafebabe) |
| { |
| CLASS_FILE_P (node) = 1; |
| current_jcf = ggc_alloc_cleared_JCF (); |
| current_jcf->read_state = finput; |
| current_jcf->filbuf = jcf_filbuf_from_stdio; |
| jcf_parse (current_jcf); |
| DECL_SOURCE_LOCATION (node) = file_start_location; |
| TYPE_JCF (current_class) = current_jcf; |
| if (CLASS_FROM_CURRENTLY_COMPILED_P (current_class)) |
| { |
| /* We've already compiled this class. */ |
| duplicate_class_warning (filename); |
| continue; |
| } |
| CLASS_FROM_CURRENTLY_COMPILED_P (current_class) = 1; |
| TREE_TYPE (node) = current_class; |
| } |
| else if (magic == (JCF_u4)ZIPMAGIC) |
| { |
| main_jcf = ggc_alloc_cleared_JCF (); |
| main_jcf->read_state = finput; |
| main_jcf->filbuf = jcf_filbuf_from_stdio; |
| linemap_add (line_table, LC_ENTER, false, filename, 0); |
| input_location = linemap_line_start (line_table, 0, 1); |
| if (open_in_zip (main_jcf, filename, NULL, 0) < 0) |
| fatal_error ("bad zip/jar file %s", filename); |
| localToFile = SeenZipFiles; |
| /* Register all the classes defined there. */ |
| process_zip_dir ((FILE *) main_jcf->read_state); |
| linemap_add (line_table, LC_LEAVE, false, NULL, 0); |
| parse_zip_file_entries (); |
| } |
| else if (magic == (JCF_u4) ZIPEMPTYMAGIC) |
| { |
| /* Ignore an empty input jar. */ |
| } |
| else |
| { |
| gcc_unreachable (); |
| #if 0 |
| java_push_parser_context (); |
| java_parser_context_save_global (); |
| |
| parse_source_file_1 (real_file, filename, finput); |
| java_parser_context_restore_global (); |
| java_pop_parser_context (1); |
| linemap_add (line_table, LC_LEAVE, false, NULL, 0); |
| #endif |
| } |
| } |
| |
| FOR_EACH_VEC_ELT (*all_translation_units, ix, node) |
| { |
| input_location = DECL_SOURCE_LOCATION (node); |
| if (CLASS_FILE_P (node)) |
| { |
| /* FIXME: These two flags really should be independent. We |
| should be able to compile fully binary compatible, but |
| with flag_verify_invocations on. */ |
| flag_verify_invocations = ! flag_indirect_dispatch; |
| output_class = current_class = TREE_TYPE (node); |
| |
| current_jcf = TYPE_JCF (current_class); |
| layout_class (current_class); |
| load_inner_classes (current_class); |
| parse_class_file (); |
| JCF_FINISH (current_jcf); |
| } |
| } |
| input_location = save_location; |
| |
| bitmap_obstack_release (&bit_obstack); |
| |
| finish: |
| /* Arrange for any necessary initialization to happen. */ |
| java_emit_static_constructor (); |
| gcc_assert (global_bindings_p ()); |
| } |
| |
| |
| /* Return the name of the class corresponding to the name of the file |
| in this zip entry. The result is newly allocated using ALLOC. */ |
| static char * |
| compute_class_name (struct ZipDirectory *zdir) |
| { |
| char *class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); |
| char *class_name; |
| int i; |
| int filename_length = zdir->filename_length; |
| |
| while (filename_length > 2 && strncmp (class_name_in_zip_dir, "./", 2) == 0) |
| { |
| class_name_in_zip_dir += 2; |
| filename_length -= 2; |
| } |
| |
| filename_length -= strlen (".class"); |
| class_name = XNEWVEC (char, filename_length + 1); |
| memcpy (class_name, class_name_in_zip_dir, filename_length); |
| class_name [filename_length] = '\0'; |
| |
| for (i = 0; i < filename_length; i++) |
| if (class_name[i] == '/') |
| class_name[i] = '.'; |
| |
| return class_name; |
| } |
| |
| /* Return 0 if we should skip this entry, 1 if it is a .class file, 2 |
| if it is a property file of some sort. */ |
| static int |
| classify_zip_file (struct ZipDirectory *zdir) |
| { |
| char *class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); |
| |
| if (zdir->filename_length > 6 |
| && !strncmp (&class_name_in_zip_dir[zdir->filename_length - 6], |
| ".class", 6)) |
| return 1; |
| |
| /* For now we drop the manifest, but not other information. */ |
| if (zdir->filename_length == 20 |
| && !strncmp (class_name_in_zip_dir, "META-INF/MANIFEST.MF", 20)) |
| return 0; |
| |
| /* Drop directory entries. */ |
| if (zdir->filename_length > 0 |
| && class_name_in_zip_dir[zdir->filename_length - 1] == '/') |
| return 0; |
| |
| return 2; |
| } |
| |
| /* Process all class entries found in the zip file. */ |
| static void |
| parse_zip_file_entries (void) |
| { |
| struct ZipDirectory *zdir; |
| int i; |
| |
| for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory; |
| i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir)) |
| { |
| tree klass; |
| |
| switch (classify_zip_file (zdir)) |
| { |
| case 0: |
| continue; |
| |
| case 1: |
| { |
| char *class_name = compute_class_name (zdir); |
| int previous_alias_set = -1; |
| klass = lookup_class (get_identifier (class_name)); |
| FREE (class_name); |
| current_jcf = TYPE_JCF (klass); |
| output_class = current_class = klass; |
| |
| /* This is a dummy class, and now we're compiling it for |
| real. */ |
| gcc_assert (! TYPE_DUMMY (klass)); |
| |
| /* This is for a corner case where we have a superclass |
| but no superclass fields. |
| |
| This can happen if we earlier failed to lay out this |
| class because its superclass was still in the process |
| of being laid out; this occurs when we have recursive |
| class dependencies via inner classes. We must record |
| the previous alias set and restore it after laying out |
| the class. |
| |
| FIXME: this really is a kludge. We should figure out a |
| way to lay out the class properly before this |
| happens. */ |
| if (TYPE_SIZE (klass) && CLASSTYPE_SUPER (klass) |
| && integer_zerop (TYPE_SIZE (klass))) |
| { |
| TYPE_SIZE (klass) = NULL_TREE; |
| previous_alias_set = TYPE_ALIAS_SET (klass); |
| TYPE_ALIAS_SET (klass) = -1; |
| } |
| |
| if (! CLASS_LOADED_P (klass)) |
| { |
| if (! CLASS_PARSED_P (klass)) |
| { |
| read_zip_member (current_jcf, zdir, localToFile); |
| jcf_parse (current_jcf); |
| } |
| layout_class (current_class); |
| load_inner_classes (current_class); |
| } |
| |
| if (previous_alias_set != -1) |
| TYPE_ALIAS_SET (klass) = previous_alias_set; |
| |
| if (TYPE_SIZE (current_class) != error_mark_node) |
| { |
| parse_class_file (); |
| free (current_jcf->buffer); /* No longer necessary */ |
| /* Note: there is a way to free this buffer right after a |
| class seen in a zip file has been parsed. The idea is the |
| set its jcf in such a way that buffer will be reallocated |
| the time the code for the class will be generated. FIXME. */ |
| } |
| } |
| break; |
| |
| case 2: |
| { |
| char *file_name, *class_name_in_zip_dir, *buffer; |
| JCF *jcf; |
| file_name = XNEWVEC (char, zdir->filename_length + 1); |
| class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); |
| strncpy (file_name, class_name_in_zip_dir, zdir->filename_length); |
| file_name[zdir->filename_length] = '\0'; |
| jcf = XNEW (JCF); |
| JCF_ZERO (jcf); |
| jcf->read_state = finput; |
| jcf->filbuf = jcf_filbuf_from_stdio; |
| jcf->classname = NULL; |
| jcf->filename = file_name; |
| jcf->zipd = zdir; |
| |
| if (read_zip_member (jcf, zdir, localToFile) < 0) |
| fatal_error ("error while reading %s from zip file", file_name); |
| |
| buffer = XNEWVEC (char, zdir->filename_length + 1 + |
| (jcf->buffer_end - jcf->buffer)); |
| strcpy (buffer, file_name); |
| /* This is not a typo: we overwrite the trailing \0 of the |
| file name; this is just how the data is laid out. */ |
| memcpy (buffer + zdir->filename_length, |
| jcf->buffer, jcf->buffer_end - jcf->buffer); |
| |
| compile_resource_data (file_name, buffer, |
| jcf->buffer_end - jcf->buffer); |
| JCF_FINISH (jcf); |
| free (jcf); |
| free (buffer); |
| } |
| break; |
| |
| default: |
| gcc_unreachable (); |
| } |
| } |
| } |
| |
| /* Read all the entries of the zip file, creates a class and a JCF. Sets the |
| jcf up for further processing and link it to the created class. */ |
| |
| static void |
| process_zip_dir (FILE *finput) |
| { |
| int i; |
| ZipDirectory *zdir; |
| |
| for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory; |
| i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir)) |
| { |
| char *class_name, *file_name, *class_name_in_zip_dir; |
| tree klass; |
| JCF *jcf; |
| |
| class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); |
| |
| /* Here we skip non-class files; we handle them later. */ |
| if (classify_zip_file (zdir) != 1) |
| continue; |
| |
| class_name = compute_class_name (zdir); |
| file_name = XNEWVEC (char, zdir->filename_length+1); |
| jcf = ggc_alloc_cleared_JCF (); |
| |
| strncpy (file_name, class_name_in_zip_dir, zdir->filename_length); |
| file_name [zdir->filename_length] = '\0'; |
| |
| klass = lookup_class (get_identifier (class_name)); |
| |
| if (CLASS_FROM_CURRENTLY_COMPILED_P (klass)) |
| { |
| /* We've already compiled this class. */ |
| duplicate_class_warning (file_name); |
| continue; |
| } |
| /* This function is only called when processing a zip file seen |
| on the command line. */ |
| CLASS_FROM_CURRENTLY_COMPILED_P (klass) = 1; |
| |
| jcf->read_state = finput; |
| jcf->filbuf = jcf_filbuf_from_stdio; |
| jcf->classname = class_name; |
| jcf->filename = file_name; |
| jcf->zipd = zdir; |
| |
| TYPE_JCF (klass) = jcf; |
| } |
| } |
| |
| #include "gt-java-jcf-parse.h" |
| #include "gtype-java.h" |