This also adds support for reading SourceFile class attribute
Signed-off-by: Tomek Grabiec <[email protected]>
---
Makefile | 1 +
cafebabe/include/cafebabe/class.h | 1 +
cafebabe/include/cafebabe/sourcefile_attribute.h | 51 +++++++++++++++++++
cafebabe/src/cafebabe/class.c | 32 ++++++++++++
cafebabe/src/cafebabe/sourcefile_attribute.c | 57 ++++++++++++++++++++++
5 files changed, 142 insertions(+), 0 deletions(-)
create mode 100644 cafebabe/include/cafebabe/sourcefile_attribute.h
create mode 100644 cafebabe/src/cafebabe/sourcefile_attribute.c
diff --git a/Makefile b/Makefile
index 44a7768..f1d42db 100644
--- a/Makefile
+++ b/Makefile
@@ -129,6 +129,7 @@ CAFEBABE_OBJS := \
error.o \
field_info.o \
method_info.o \
+ sourcefile_attribute.o \
stream.o
CAFEBABE_OBJS := $(addprefix cafebabe/src/cafebabe/,$(CAFEBABE_OBJS))
diff --git a/cafebabe/include/cafebabe/class.h
b/cafebabe/include/cafebabe/class.h
index b29d7a1..e7a9a96 100644
--- a/cafebabe/include/cafebabe/class.h
+++ b/cafebabe/include/cafebabe/class.h
@@ -97,5 +97,6 @@ int cafebabe_class_get_field(const struct cafebabe_class *c,
int cafebabe_class_get_method(const struct cafebabe_class *c,
const char *name, const char *descriptor,
unsigned int *r);
+char *cafebabe_class_get_source_file_name(const struct cafebabe_class *class);
#endif
diff --git a/cafebabe/include/cafebabe/sourcefile_attribute.h
b/cafebabe/include/cafebabe/sourcefile_attribute.h
new file mode 100644
index 0000000..540d91b
--- /dev/null
+++ b/cafebabe/include/cafebabe/sourcefile_attribute.h
@@ -0,0 +1,51 @@
+/*
+ * cafebabe - the class loader library in C
+ * Copyright (C) 2009 Tomasz Grabiec <[email protected]>
+ *
+ * This file is released under the GPL version 2 with the following
+ * clarification and special exception:
+ *
+ * Linking this library statically or dynamically with other modules is
+ * making a combined work based on this library. Thus, the terms and
+ * conditions of the GNU General Public License cover the whole
+ * combination.
+ *
+ * As a special exception, the copyright holders of this library give you
+ * permission to link this library with independent modules to produce an
+ * executable, regardless of the license terms of these independent
+ * modules, and to copy and distribute the resulting executable under terms
+ * of your choice, provided that you also meet, for each linked independent
+ * module, the terms and conditions of the license of that module. An
+ * independent module is a module which is not derived from or based on
+ * this library. If you modify this library, you may extend this exception
+ * to your version of the library, but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version.
+ *
+ * Please refer to the file LICENSE for details.
+ */
+
+#pragma once
+
+#ifndef CAFEBABE__SOURCEFILE_ATTRIBUTE_H
+#define CAFEBABE__SOURCEFILE_ATTRIBUTE_H
+
+#include <stdint.h>
+
+#include "cafebabe/attribute_array.h"
+#include "cafebabe/attribute_info.h"
+
+/**
+ * The Code attribute.
+ *
+ * See also section 4.7.7 of The Java Virtual Machine Specification.
+ */
+struct cafebabe_sourcefile_attribute {
+ uint16_t sourcefile_index;
+};
+
+int cafebabe_sourcefile_attribute_init(struct cafebabe_sourcefile_attribute *a,
+ struct cafebabe_stream *s);
+void cafebabe_sourcefile_attribute_deinit(struct cafebabe_sourcefile_attribute
*a);
+
+#endif
diff --git a/cafebabe/src/cafebabe/class.c b/cafebabe/src/cafebabe/class.c
index eac7cea..c43fefe 100644
--- a/cafebabe/src/cafebabe/class.c
+++ b/cafebabe/src/cafebabe/class.c
@@ -27,6 +27,7 @@
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include "cafebabe/attribute_array.h"
#include "cafebabe/attribute_info.h"
@@ -35,6 +36,7 @@
#include "cafebabe/error.h"
#include "cafebabe/field_info.h"
#include "cafebabe/method_info.h"
+#include "cafebabe/sourcefile_attribute.h"
#include "cafebabe/stream.h"
int
@@ -366,3 +368,33 @@ cafebabe_class_get_method(const struct cafebabe_class *c,
/* Not found */
return 1;
}
+
+char *cafebabe_class_get_source_file_name(const struct cafebabe_class *class)
+{
+ unsigned int sourcefile_attrib_index = 0;
+ if (cafebabe_attribute_array_get(&class->attributes, "SourceFile",
+ class, &sourcefile_attrib_index))
+ return NULL;
+
+ const struct cafebabe_attribute_info *attribute
+ = &class->attributes.array[sourcefile_attrib_index];
+
+ struct cafebabe_stream stream;
+ cafebabe_stream_open_buffer(&stream,
+ attribute->info, attribute->attribute_length);
+
+ struct cafebabe_sourcefile_attribute sourcefile_attribute;
+ if (cafebabe_sourcefile_attribute_init(&sourcefile_attribute, &stream))
+ return NULL;
+
+ cafebabe_stream_close_buffer(&stream);
+
+ const struct cafebabe_constant_info_utf8 *file_name;
+ if (cafebabe_class_constant_get_utf8(class,
+ sourcefile_attribute.sourcefile_index, &file_name))
+ {
+ return NULL;
+ }
+
+ return strndup((char*)file_name->bytes, file_name->length);
+}
diff --git a/cafebabe/src/cafebabe/sourcefile_attribute.c
b/cafebabe/src/cafebabe/sourcefile_attribute.c
new file mode 100644
index 0000000..6185a72
--- /dev/null
+++ b/cafebabe/src/cafebabe/sourcefile_attribute.c
@@ -0,0 +1,57 @@
+/*
+ * cafebabe - the class loader library in C
+ * Copyright (C) 2009 Tomasz Grabiec <[email protected]>
+ *
+ * This file is released under the GPL version 2 with the following
+ * clarification and special exception:
+ *
+ * Linking this library statically or dynamically with other modules is
+ * making a combined work based on this library. Thus, the terms and
+ * conditions of the GNU General Public License cover the whole
+ * combination.
+ *
+ * As a special exception, the copyright holders of this library give you
+ * permission to link this library with independent modules to produce an
+ * executable, regardless of the license terms of these independent
+ * modules, and to copy and distribute the resulting executable under terms
+ * of your choice, provided that you also meet, for each linked independent
+ * module, the terms and conditions of the license of that module. An
+ * independent module is a module which is not derived from or based on
+ * this library. If you modify this library, you may extend this exception
+ * to your version of the library, but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version.
+ *
+ * Please refer to the file LICENSE for details.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "cafebabe/attribute_info.h"
+#include "cafebabe/sourcefile_attribute.h"
+#include "cafebabe/stream.h"
+
+int
+cafebabe_sourcefile_attribute_init(struct cafebabe_sourcefile_attribute *a,
+ struct cafebabe_stream *s)
+{
+ if (cafebabe_stream_read_uint16(s, &a->sourcefile_index))
+ goto out;
+
+ if (!cafebabe_stream_eof(s)) {
+ s->cafebabe_errno = CAFEBABE_ERROR_EXPECTED_EOF;
+ goto out;
+ }
+
+ /* Success */
+ return 0;
+
+out:
+ return 1;
+}
+
+void
+cafebabe_sourcefile_attribute_deinit(struct cafebabe_sourcefile_attribute *a)
+{
+}
--
1.6.0.6
------------------------------------------------------------------------------
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