diff options
Diffstat (limited to 'java/classfile.h')
| -rw-r--r-- | java/classfile.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/java/classfile.h b/java/classfile.h deleted file mode 100644 index 33207e99..00000000 --- a/java/classfile.h +++ /dev/null @@ -1,153 +0,0 @@ -#pragma once -#include "membuffer.h" -#include "constants.h" -#include "annotations.h" -#include <map> -namespace java -{ - /** - * Class representing a Java .class file - */ - class classfile : public util::membuffer - { - public: - classfile(char * data, std::size_t size) : membuffer(data, size) - { - valid = false; - is_synthetic = false; - read_be(magic); - if(magic != 0xCAFEBABE) - throw new classfile_exception(); - read_be(minor_version); - read_be(major_version); - constants.load(*this); - read_be(access_flags); - read_be(this_class); - read_be(super_class); - - // Interfaces - uint16_t iface_count = 0; - read_be(iface_count); - while (iface_count) - { - uint16_t iface; - read_be(iface); - interfaces.push_back(iface); - iface_count --; - } - - // Fields - // read fields (and attributes from inside fields) (and possible inner classes. yay for recursion!) - // for now though, we will ignore all attributes - /* - * field_info - * { - * u2 access_flags; - * u2 name_index; - * u2 descriptor_index; - * u2 attributes_count; - * attribute_info attributes[attributes_count]; - * } - */ - uint16_t field_count = 0; - read_be(field_count); - while (field_count) - { - // skip field stuff - skip(6); - // and skip field attributes - uint16_t attr_count = 0; - read_be(attr_count); - while(attr_count) - { - skip(2); - uint32_t attr_length = 0; - read_be(attr_length); - skip(attr_length); - attr_count --; - } - field_count --; - } - - // class methods - /* - * method_info - * { - * u2 access_flags; - * u2 name_index; - * u2 descriptor_index; - * u2 attributes_count; - * attribute_info attributes[attributes_count]; - * } - */ - uint16_t method_count = 0; - read_be(method_count); - while( method_count ) - { - skip(6); - // and skip method attributes - uint16_t attr_count = 0; - read_be(attr_count); - while(attr_count) - { - skip(2); - uint32_t attr_length = 0; - read_be(attr_length); - skip(attr_length); - attr_count --; - } - method_count --; - } - - // class attributes - // there are many kinds of attributes. this is just the generic wrapper structure. - // type is decided by attribute name. extensions to the standard are *possible* - // class annotations are one kind of a attribute (one per class) - /* - * attribute_info - * { - * u2 attribute_name_index; - * u4 attribute_length; - * u1 info[attribute_length]; - * } - */ - uint16_t class_attr_count = 0; - read_be(class_attr_count); - while(class_attr_count) - { - uint16_t name_idx = 0; - read_be(name_idx); - uint32_t attr_length = 0; - read_be(attr_length); - - auto name = constants[name_idx]; - if(name.str_data == "RuntimeVisibleAnnotations") - { - uint16_t num_annotations = 0; - read_be(num_annotations); - while (num_annotations) - { - visible_class_annotations.push_back(annotation::read(*this, constants)); - num_annotations --; - } - } - else skip(attr_length); - class_attr_count --; - } - valid = true; - }; - bool valid; - bool is_synthetic; - uint32_t magic; - uint16_t minor_version; - uint16_t major_version; - constant_pool constants; - uint16_t access_flags; - uint16_t this_class; - uint16_t super_class; - // interfaces this class implements ? must be. investigate. - std::vector<uint16_t> interfaces; - // FIXME: doesn't free up memory on delete - java::annotation_table visible_class_annotations; - }; -}
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