class_field.h File Reference

#include <rz_types.h>
#include <rz_util.h>
#include <rz_bin.h>
#include "class_attribute.h"

Go to the source code of this file.

Classes
struct	java_field_t

Typedefs
typedef struct java_field_t	Field

Enumerations
enum	FieldAccessFlag {   FIELD_ACCESS_FLAG_PUBLIC = 0x0001 , FIELD_ACCESS_FLAG_PRIVATE = 0x0002 , FIELD_ACCESS_FLAG_PROTECTED = 0x0004 , FIELD_ACCESS_FLAG_STATIC = 0x0008 ,   FIELD_ACCESS_FLAG_FINAL = 0x0010 , FIELD_ACCESS_FLAG_VOLATILE = 0x0040 , FIELD_ACCESS_FLAG_TRANSIENT = 0x0080 , FIELD_ACCESS_FLAG_SYNTHETIC = 0x1000 ,   FIELD_ACCESS_FLAG_ENUM = 0x4000 }

Functions
Field *	java_field_new (ConstPool **pool, ut32 poolsize, RzBuffer *buf, ut64 offset)
void	java_field_free (Field *field)
char *	java_field_access_flags_readable (const Field *field)
bool	java_field_is_global (const Field *field)

Typedef Documentation

Field

typedef struct java_field_t Field

Enumeration Type Documentation

FieldAccessFlag

enum FieldAccessFlag

Enumerator
FIELD_ACCESS_FLAG_PUBLIC
FIELD_ACCESS_FLAG_PRIVATE
FIELD_ACCESS_FLAG_PROTECTED
FIELD_ACCESS_FLAG_STATIC
FIELD_ACCESS_FLAG_FINAL
FIELD_ACCESS_FLAG_VOLATILE
FIELD_ACCESS_FLAG_TRANSIENT
FIELD_ACCESS_FLAG_SYNTHETIC
FIELD_ACCESS_FLAG_ENUM

Definition at line 11 of file class_field.h.

             {
    FIELD_ACCESS_FLAG_PUBLIC /*   */ = 0x0001,
    FIELD_ACCESS_FLAG_PRIVATE /*  */ = 0x0002,
    FIELD_ACCESS_FLAG_PROTECTED  = 0x0004,
    FIELD_ACCESS_FLAG_STATIC /*   */ = 0x0008,
    FIELD_ACCESS_FLAG_FINAL /*    */ = 0x0010,
    FIELD_ACCESS_FLAG_VOLATILE /* */ = 0x0040,
    FIELD_ACCESS_FLAG_TRANSIENT  = 0x0080,
    FIELD_ACCESS_FLAG_SYNTHETIC  = 0x1000,
    FIELD_ACCESS_FLAG_ENUM /*     */ = 0x4000
} FieldAccessFlag;

Function Documentation

java_field_access_flags_readable()

char* java_field_access_flags_readable

(

const Field *

field

)

Definition at line 20 of file class_field.c.

                                                           {
    rz_return_val_if_fail(field, NULL);
    RzStrBuf *sb = NULL;
 
    for (ut32 i = 0; i < FIELD_ACCESS_FLAGS_SIZE; ++i) {
        const AccessFlagsReadable *afr = &access_flags_list[i];
        if (field->access_flags & afr->flag) {
            if (!sb) {
                sb = rz_strbuf_new(afr->readable);
                if (!sb) {
                    return NULL;
                }
            } else {
                rz_strbuf_appendf(sb, " %s", afr->readable);
            }
        }
    }
 
    return sb ? rz_strbuf_drain(sb) : NULL;
}

References java_field_t::access_flags, access_flags_list, FIELD_ACCESS_FLAGS_SIZE, access_flags_readable_t::flag, i, NULL, access_flags_readable_t::readable, rz_return_val_if_fail, rz_strbuf_appendf(), rz_strbuf_drain(), rz_strbuf_new(), and sb.

Referenced by rz_bin_java_class_as_source_code(), rz_bin_java_class_fields_as_json(), rz_bin_java_class_fields_as_symbols(), and rz_bin_java_class_fields_as_text().

java_field_free()

void java_field_free

(

Field *

field

)

Definition at line 78 of file class_field.c.

                                   {
    if (!field) {
        return;
    }
    if (field->attributes) {
        for (ut32 i = 0; i < field->attributes_count; ++i) {
            java_attribute_free(field->attributes[i]);
        }
        free(field->attributes);
    }
    free(field);
}

References java_field_t::attributes, java_field_t::attributes_count, free(), i, and java_attribute_free().

Referenced by rz_bin_java_class_free().

java_field_is_global()

bool java_field_is_global

(

const Field *

field

)

Definition at line 91 of file class_field.c.

                                              {
    ut16 flag = FIELD_ACCESS_FLAG_PUBLIC | FIELD_ACCESS_FLAG_STATIC | FIELD_ACCESS_FLAG_FINAL;
    return field && (field->access_flags & flag) == flag;
}

References java_field_t::access_flags, FIELD_ACCESS_FLAG_FINAL, FIELD_ACCESS_FLAG_PUBLIC, and FIELD_ACCESS_FLAG_STATIC.

Referenced by rz_bin_java_class_fields_as_symbols().

java_field_new()

Field* java_field_new	(	ConstPool **	pool,
		ut32	poolsize,
		RzBuffer *	buf,
		ut64	offset
	)

Definition at line 41 of file class_field.c.

                                                                                   {
    Field *field = RZ_NEW0(Field);
    rz_return_val_if_fail(field, NULL);
    field->offset = offset;
    ut64 base = offset - rz_buf_tell(buf);
 
    if (!rz_buf_read_be16(buf, &field->access_flags) ||
        !rz_buf_read_be16(buf, &field->name_index) ||
        !rz_buf_read_be16(buf, &field->descriptor_index) ||
        !rz_buf_read_be16(buf, &field->attributes_count)) {
        free(field);
        return NULL;
    }
 
    if (field->attributes_count < 1) {
        return field;
    }
    field->attributes = RZ_NEWS0(Attribute *, field->attributes_count);
    if (!field->attributes) {
        free(field);
        rz_warn_if_reached();
        return NULL;
    }
 
    for (ut32 i = 0; i < field->attributes_count; ++i) {
        offset = rz_buf_tell(buf) + base;
        Attribute *attr = java_attribute_new(buf, offset);
        if (attr && java_attribute_resolve(pool, poolsize, attr, buf, false)) {
            field->attributes[i] = attr;
        } else {
            java_attribute_free(attr);
            break;
        }
    }
    return field;
}

References java_field_t::access_flags, java_field_t::attributes, java_field_t::attributes_count, java_field_t::descriptor_index, free(), i, java_attribute_free(), java_attribute_new(), java_attribute_resolve(), java_field_t::name_index, NULL, java_field_t::offset, rz_buf_read_be16, rz_buf_tell(), RZ_NEW0, RZ_NEWS0, rz_return_val_if_fail, rz_warn_if_reached, and ut64().

Referenced by java_class_parse().