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authorTom Tromey <tromey@gcc.gnu.org>2007-01-09 19:58:05 +0000
committerTom Tromey <tromey@gcc.gnu.org>2007-01-09 19:58:05 +0000
commit97b8365cafc3a344a22d3980b8ed885f5c6d8357 (patch)
tree996a5f57d4a68c53473382e45cb22f574cb3e4db /gcc/java/jcf-parse.c
parentc648dedbde727ca3f883bb5fd773aa4af70d3369 (diff)
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Merged gcj-eclipse branch to trunk.
From-SVN: r120621
Diffstat (limited to 'gcc/java/jcf-parse.c')
-rw-r--r--gcc/java/jcf-parse.c963
1 files changed, 847 insertions, 116 deletions
diff --git a/gcc/java/jcf-parse.c b/gcc/java/jcf-parse.c
index 9f0ccaa..079228e 100644
--- a/gcc/java/jcf-parse.c
+++ b/gcc/java/jcf-parse.c
@@ -1,6 +1,6 @@
/* Parser for Java(TM) .class files.
- Copyright (C) 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GCC.
@@ -35,6 +35,7 @@ The Free Software Foundation is independent of Sun Microsystems, Inc. */
#include "flags.h"
#include "java-except.h"
#include "input.h"
+#include "javaop.h"
#include "java-tree.h"
#include "toplev.h"
#include "parse.h"
@@ -43,6 +44,7 @@ The Free Software Foundation is independent of Sun Microsystems, Inc. */
#include "assert.h"
#include "tm_p.h"
#include "cgraph.h"
+#include "vecprim.h"
#ifdef HAVE_LOCALE_H
#include <locale.h>
@@ -89,23 +91,32 @@ static location_t file_start_location;
/* The Java archive that provides main_class; the main input file. */
static GTY(()) struct JCF * main_jcf;
+/* The number of source files passd 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 *);
+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_source_file_1 (tree, const char *, FILE *);
-static void parse_source_file_2 (void);
-static void parse_source_file_3 (void);
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
@@ -124,6 +135,181 @@ handle_deprecated (void)
}
}
+
+
+/* Reverse a string. */
+static char *
+reverse (const char *s)
+{
+ if (s == NULL)
+ return NULL;
+ else
+ {
+ int len = strlen (s);
+ char *d = xmalloc (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(*(char **) p1, *(char **) 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")
+ && strcmp ((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 = alloca (longest_line + 1);
+ int i = 0;
+ int charpos;
+
+ filenames = xmalloc (num_files * sizeof (char*));
+
+ 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 = xmalloc (sizeof (char*));
+ 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 hierarcies 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
@@ -144,6 +330,7 @@ set_source_filename (JCF *jcf, int index)
|| old_filename[old_len - new_len - 1] == '\\'))
{
#ifndef USE_MAPPED_LOCATION
+ input_filename = find_sourcefile (input_filename);
DECL_SOURCE_LOCATION (TYPE_NAME (current_class)) = input_location;
file_start_location = input_location;
#endif
@@ -177,6 +364,7 @@ set_source_filename (JCF *jcf, int index)
}
}
+ sfname = find_sourcefile (sfname);
#ifdef USE_MAPPED_LOCATION
line_table.maps[line_table.used-1].to_file = sfname;
#else
@@ -187,6 +375,519 @@ set_source_filename (JCF *jcf, int index)
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 ouput file. We don't decode the
+ data at all, merely rewriting constant indexes whenever we come
+ across them: this is necessary becasue the constant pool in the
+ output file isn't the same as the constant pool in 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
+ peformance 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 = xmalloc (delta);
+ }
+ else
+ {
+ int newlen = *datasize + delta;
+ if (floor_log2 (newlen) != floor_log2 (*datasize))
+ *data = xrealloc (*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)
+{
+ enum cpool_tag 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, kind, index,
+ WORDS_BIG_ENDIAN);
+ break;
+
+ case CONSTANT_Double:
+ index = handle_long_constant (jcf, cpool, kind, index,
+ 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
+ annotatons 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, heap) *map = 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
+ (VEC_index (int, 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) \
@@ -262,16 +963,19 @@ set_source_filename (JCF *jcf, int index)
/* 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)
+ handle_innerclass_attribute (COUNT, jcf, attribute_length)
#define HANDLE_SYNTHETIC_ATTRIBUTE() \
{ \
/* Irrelevant decls should have been nullified by the END macros. \
- We only handle the `Synthetic' attribute on method DECLs. \
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 \
+ CLASS_SYNTHETIC (current_class) = 1; \
}
#define HANDLE_GCJCOMPILED_ATTRIBUTE() \
@@ -280,6 +984,43 @@ set_source_filename (JCF *jcf, int index)
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
@@ -403,9 +1144,15 @@ get_name_constant (JCF *jcf, int index)
the outer context with the newly resolved innerclass. */
static void
-handle_innerclass_attribute (int count, JCF *jcf)
+handle_innerclass_attribute (int count, JCF *jcf, int attribute_length)
{
- int c = (count);
+ 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 */
@@ -418,6 +1165,12 @@ handle_innerclass_attribute (int count, JCF *jcf)
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)
{
@@ -553,6 +1306,8 @@ read_class (tree name)
if (current_jcf->java_source)
{
+ gcc_unreachable ();
+#if 0
const char *filename = current_jcf->filename;
char *real_path;
tree given_file, real_file;
@@ -590,15 +1345,16 @@ read_class (tree name)
JCF_FINISH (current_jcf);
java_pop_parser_context (generate);
java_parser_context_restore_global ();
+#endif
}
else
{
if (class == NULL_TREE || ! CLASS_PARSED_P (class))
{
- java_parser_context_save_global ();
- java_push_parser_context ();
+/* java_parser_context_save_global (); */
+/* java_push_parser_context (); */
output_class = current_class = class;
- ctxp->save_location = input_location;
+/* ctxp->save_location = input_location; */
if (JCF_SEEN_IN_ZIP (current_jcf))
read_zip_member(current_jcf,
current_jcf->zipd, current_jcf->zipd->zipf);
@@ -608,8 +1364,8 @@ read_class (tree name)
if (current_class != class && icv != NULL_TREE)
TREE_TYPE (icv) = current_class;
class = current_class;
- java_pop_parser_context (0);
- java_parser_context_restore_global ();
+/* java_pop_parser_context (0); */
+/* java_parser_context_restore_global (); */
}
layout_class (class);
load_inner_classes (class);
@@ -789,6 +1545,10 @@ jcf_parse (JCF* jcf)
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);
+
#ifdef USE_MAPPED_LOCATION
linemap_add (&line_table, LC_LEAVE, false, NULL, 0);
#endif
@@ -803,9 +1563,12 @@ jcf_parse (JCF* jcf)
/* If we don't have the right archive, emit a verbose warning.
If we're generating bytecode, emit the warning only if
-fforce-classes-archive-check was specified. */
+#if 0
+ /* ECJ HACK: ignore this. */
if (!jcf->right_zip
&& (!flag_emit_class_files || flag_force_classes_archive_check))
fatal_error ("the %<java.lang.Object%> that was found in %qs didn't have the special zero-length %<gnu.gcj.gcj-compiled%> attribute. This generally means that your classpath is incorrectly set. Use %<info gcj \"Input Options\"%> to see the info page describing how to set the classpath", jcf->filename);
+#endif
}
else
all_class_list = tree_cons (NULL_TREE,
@@ -843,6 +1606,42 @@ duplicate_class_warning (const char *filename)
}
static void
+java_layout_seen_class_methods (void)
+{
+ tree previous_list = all_class_list;
+ tree end = NULL_TREE;
+ tree current;
+
+ while (1)
+ {
+ for (current = previous_list;
+ current != end; current = TREE_CHAIN (current))
+ {
+ tree decl = TREE_VALUE (current);
+ 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. */
+
+ if (previous_list != all_class_list)
+ {
+ end = previous_list;
+ previous_list = all_class_list;
+ }
+ else
+ break;
+ }
+}
+
+static void
parse_class_file (void)
{
tree method;
@@ -856,8 +1655,6 @@ parse_class_file (void)
gen_indirect_dispatch_tables (current_class);
- java_mark_class_local (current_class);
-
for (method = TYPE_METHODS (current_class);
method != NULL_TREE; method = TREE_CHAIN (method))
{
@@ -956,80 +1753,12 @@ parse_class_file (void)
end_java_method ();
}
- if (flag_emit_class_files)
- write_classfile (current_class);
-
finish_class ();
(*debug_hooks->end_source_file) (LOCATION_LINE (save_location));
input_location = save_location;
}
-/* Parse a source file, as pointed by the current value of INPUT_FILENAME. */
-
-static void
-parse_source_file_1 (tree real_file, const char *filename, FILE *finput)
-{
- int save_error_count = java_error_count;
-
- /* Mark the file as parsed. */
- HAS_BEEN_ALREADY_PARSED_P (real_file) = 1;
-
- lang_init_source (1); /* Error msgs have no method prototypes */
-
- /* There's no point in trying to find the current encoding unless we
- are going to do something intelligent with it -- hence the test
- for iconv. */
-#if defined (HAVE_LOCALE_H) && defined (HAVE_ICONV) && defined (HAVE_LANGINFO_CODESET)
- setlocale (LC_CTYPE, "");
- if (current_encoding == NULL)
- current_encoding = nl_langinfo (CODESET);
-#endif
- if (current_encoding == NULL || *current_encoding == '\0')
- current_encoding = DEFAULT_ENCODING;
-
-#ifdef USE_MAPPED_LOCATION
- linemap_add (&line_table, LC_ENTER, false, filename, 0);
- input_location = linemap_line_start (&line_table, 0, 125);
-#else
- input_filename = filename;
- input_line = 0;
-#endif
- ctxp->file_start_location = input_location;
- ctxp->filename = filename;
-
- jcf_dependency_add_file (input_filename, 0);
-
- /* Initialize the parser */
- java_init_lex (finput, current_encoding);
- java_parse_abort_on_error ();
-
- java_parse (); /* Parse and build partial tree nodes. */
- java_parse_abort_on_error ();
-}
-
-/* Process a parsed source file, resolving names etc. */
-
-static void
-parse_source_file_2 (void)
-{
- int save_error_count = java_error_count;
- flag_verify_invocations = true;
- java_complete_class (); /* Parse unsatisfied class decl. */
- java_parse_abort_on_error ();
-}
-
-static void
-parse_source_file_3 (void)
-{
- int save_error_count = java_error_count;
- java_check_circular_reference (); /* Check on circular references */
- java_parse_abort_on_error ();
- java_fix_constructors (); /* Fix the constructors */
- java_parse_abort_on_error ();
- java_reorder_fields (); /* Reorder the fields */
-}
-
void
add_predefined_file (tree name)
{
@@ -1074,6 +1803,9 @@ java_parse_file (int set_yydebug ATTRIBUTE_UNUSED)
FILE *finput = NULL;
int in_quotes = 0;
+ bitmap_obstack_initialize (&bit_obstack);
+ field_offsets = BITMAP_ALLOC (&bit_obstack);
+
if (flag_filelist_file)
{
int avail = 2000;
@@ -1150,7 +1882,12 @@ java_parse_file (int set_yydebug ATTRIBUTE_UNUSED)
next++;
}
- if (list[0])
+ /* Exclude .java files. */
+ if (strlen (list) > 5 && ! strcmp (list + strlen (list) - 5, ".java"))
+ {
+ /* Nothing. */
+ }
+ else if (list[0])
{
node = get_identifier (list);
@@ -1268,6 +2005,8 @@ java_parse_file (int set_yydebug ATTRIBUTE_UNUSED)
}
else
{
+ gcc_unreachable ();
+#if 0
java_push_parser_context ();
java_parser_context_save_global ();
@@ -1277,19 +2016,15 @@ java_parse_file (int set_yydebug ATTRIBUTE_UNUSED)
#ifdef USE_MAPPED_LOCATION
linemap_add (&line_table, LC_LEAVE, false, NULL, 0);
#endif
+#endif
}
}
- for (ctxp = ctxp_for_generation; ctxp; ctxp = ctxp->next)
- {
- input_location = ctxp->file_start_location;
- parse_source_file_2 ();
- }
-
- for (ctxp = ctxp_for_generation; ctxp; ctxp = ctxp->next)
+ /* Do this before lowering any code. */
+ for (node = current_file_list; node; node = TREE_CHAIN (node))
{
- input_location = ctxp->file_start_location;
- parse_source_file_3 ();
+ if (CLASS_FILE_P (node))
+ java_mark_class_local (TREE_TYPE (node));
}
for (node = current_file_list; node; node = TREE_CHAIN (node))
@@ -1312,12 +2047,14 @@ java_parse_file (int set_yydebug ATTRIBUTE_UNUSED)
}
input_location = save_location;
- java_expand_classes ();
- if (java_report_errors () || flag_syntax_only)
- return;
+ bitmap_obstack_release (&bit_obstack);
+
+/* java_expand_classes (); */
+/* if (java_report_errors () || flag_syntax_only) */
+/* return; */
/* Expand all classes compiled from source. */
- java_finish_classes ();
+/* java_finish_classes (); */
finish:
/* Arrange for any necessary initialization to happen. */
@@ -1408,15 +2145,6 @@ parse_zip_file_entries (void)
current_jcf = TYPE_JCF (class);
output_class = current_class = class;
- if (CLASS_FROM_CURRENTLY_COMPILED_P (current_class))
- {
- /* We've already compiled this class. */
- duplicate_class_warning (current_jcf->filename);
- break;
- }
-
- CLASS_FROM_CURRENTLY_COMPILED_P (current_class) = 1;
-
/* This is a dummy class, and now we're compiling it for
real. */
gcc_assert (! TYPE_DUMMY (class));
@@ -1531,6 +2259,16 @@ process_zip_dir (FILE *finput)
class = lookup_class (get_identifier (class_name));
+ if (CLASS_FROM_CURRENTLY_COMPILED_P (class))
+ {
+ /* 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 (class) = 1;
+
jcf->read_state = finput;
jcf->filbuf = jcf_filbuf_from_stdio;
jcf->java_source = 0;
@@ -1542,12 +2280,5 @@ process_zip_dir (FILE *finput)
}
}
-/* Initialization. */
-
-void
-init_jcf_parse (void)
-{
- init_src_parse ();
-}
-
#include "gt-java-jcf-parse.h"
+#include "gtype-java.h"