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-rw-r--r--libraries/classparser/CMakeLists.txt2
-rw-r--r--libraries/classparser/src/annotations.cpp132
-rw-r--r--libraries/classparser/src/annotations.h384
-rw-r--r--libraries/classparser/src/classfile.h272
-rw-r--r--libraries/classparser/src/classparser.cpp92
-rw-r--r--libraries/classparser/src/constants.h384
-rw-r--r--libraries/classparser/src/javaendian.h32
-rw-r--r--libraries/classparser/src/membuffer.h94
8 files changed, 696 insertions, 696 deletions
diff --git a/libraries/classparser/CMakeLists.txt b/libraries/classparser/CMakeLists.txt
index e9606258..3fe7591d 100644
--- a/libraries/classparser/CMakeLists.txt
+++ b/libraries/classparser/CMakeLists.txt
@@ -6,7 +6,7 @@ set(CMAKE_AUTOMOC ON)
include(TestBigEndian)
test_big_endian(BIGENDIAN)
if(${BIGENDIAN})
- add_definitions(-DMULTIMC_BIG_ENDIAN)
+ add_definitions(-DMULTIMC_BIG_ENDIAN)
endif(${BIGENDIAN})
# Find Qt
diff --git a/libraries/classparser/src/annotations.cpp b/libraries/classparser/src/annotations.cpp
index d1a7c046..18a9e880 100644
--- a/libraries/classparser/src/annotations.cpp
+++ b/libraries/classparser/src/annotations.cpp
@@ -6,80 +6,80 @@ namespace java
{
std::string annotation::toString()
{
- std::ostringstream ss;
- ss << "Annotation type : " << type_index << " - " << pool[type_index].str_data << std::endl;
- ss << "Contains " << name_val_pairs.size() << " pairs:" << std::endl;
- for (unsigned i = 0; i < name_val_pairs.size(); i++)
- {
- std::pair<uint16_t, element_value *> &val = name_val_pairs[i];
- auto name_idx = val.first;
- ss << pool[name_idx].str_data << "(" << name_idx << ")"
- << " = " << val.second->toString() << std::endl;
- }
- return ss.str();
+ std::ostringstream ss;
+ ss << "Annotation type : " << type_index << " - " << pool[type_index].str_data << std::endl;
+ ss << "Contains " << name_val_pairs.size() << " pairs:" << std::endl;
+ for (unsigned i = 0; i < name_val_pairs.size(); i++)
+ {
+ std::pair<uint16_t, element_value *> &val = name_val_pairs[i];
+ auto name_idx = val.first;
+ ss << pool[name_idx].str_data << "(" << name_idx << ")"
+ << " = " << val.second->toString() << std::endl;
+ }
+ return ss.str();
}
annotation *annotation::read(util::membuffer &input, constant_pool &pool)
{
- uint16_t type_index = 0;
- input.read_be(type_index);
- annotation *ann = new annotation(type_index, pool);
+ uint16_t type_index = 0;
+ input.read_be(type_index);
+ annotation *ann = new annotation(type_index, pool);
- uint16_t num_pairs = 0;
- input.read_be(num_pairs);
- while (num_pairs)
- {
- uint16_t name_idx = 0;
- // read name index
- input.read_be(name_idx);
- auto elem = element_value::readElementValue(input, pool);
- // read value
- ann->add_pair(name_idx, elem);
- num_pairs--;
- }
- return ann;
+ uint16_t num_pairs = 0;
+ input.read_be(num_pairs);
+ while (num_pairs)
+ {
+ uint16_t name_idx = 0;
+ // read name index
+ input.read_be(name_idx);
+ auto elem = element_value::readElementValue(input, pool);
+ // read value
+ ann->add_pair(name_idx, elem);
+ num_pairs--;
+ }
+ return ann;
}
element_value *element_value::readElementValue(util::membuffer &input,
- java::constant_pool &pool)
+ java::constant_pool &pool)
{
- element_value_type type = INVALID;
- input.read(type);
- uint16_t index = 0;
- uint16_t index2 = 0;
- std::vector<element_value *> vals;
- switch (type)
- {
- case PRIMITIVE_BYTE:
- case PRIMITIVE_CHAR:
- case PRIMITIVE_DOUBLE:
- case PRIMITIVE_FLOAT:
- case PRIMITIVE_INT:
- case PRIMITIVE_LONG:
- case PRIMITIVE_SHORT:
- case PRIMITIVE_BOOLEAN:
- case STRING:
- input.read_be(index);
- return new element_value_simple(type, index, pool);
- case ENUM_CONSTANT:
- input.read_be(index);
- input.read_be(index2);
- return new element_value_enum(type, index, index2, pool);
- case CLASS: // Class
- input.read_be(index);
- return new element_value_class(type, index, pool);
- case ANNOTATION: // Annotation
- // FIXME: runtime visibility info needs to be passed from parent
- return new element_value_annotation(ANNOTATION, annotation::read(input, pool), pool);
- case ARRAY: // Array
- input.read_be(index);
- for (int i = 0; i < index; i++)
- {
- vals.push_back(element_value::readElementValue(input, pool));
- }
- return new element_value_array(ARRAY, vals, pool);
- default:
- throw new java::classfile_exception();
- }
+ element_value_type type = INVALID;
+ input.read(type);
+ uint16_t index = 0;
+ uint16_t index2 = 0;
+ std::vector<element_value *> vals;
+ switch (type)
+ {
+ case PRIMITIVE_BYTE:
+ case PRIMITIVE_CHAR:
+ case PRIMITIVE_DOUBLE:
+ case PRIMITIVE_FLOAT:
+ case PRIMITIVE_INT:
+ case PRIMITIVE_LONG:
+ case PRIMITIVE_SHORT:
+ case PRIMITIVE_BOOLEAN:
+ case STRING:
+ input.read_be(index);
+ return new element_value_simple(type, index, pool);
+ case ENUM_CONSTANT:
+ input.read_be(index);
+ input.read_be(index2);
+ return new element_value_enum(type, index, index2, pool);
+ case CLASS: // Class
+ input.read_be(index);
+ return new element_value_class(type, index, pool);
+ case ANNOTATION: // Annotation
+ // FIXME: runtime visibility info needs to be passed from parent
+ return new element_value_annotation(ANNOTATION, annotation::read(input, pool), pool);
+ case ARRAY: // Array
+ input.read_be(index);
+ for (int i = 0; i < index; i++)
+ {
+ vals.push_back(element_value::readElementValue(input, pool));
+ }
+ return new element_value_array(ARRAY, vals, pool);
+ default:
+ throw new java::classfile_exception();
+ }
}
} \ No newline at end of file
diff --git a/libraries/classparser/src/annotations.h b/libraries/classparser/src/annotations.h
index dd603af3..15bf05a4 100644
--- a/libraries/classparser/src/annotations.h
+++ b/libraries/classparser/src/annotations.h
@@ -7,21 +7,21 @@ namespace java
{
enum element_value_type : uint8_t
{
- INVALID = 0,
- STRING = 's',
- ENUM_CONSTANT = 'e',
- CLASS = 'c',
- ANNOTATION = '@',
- ARRAY = '[', // one array dimension
- PRIMITIVE_INT = 'I', // integer
- PRIMITIVE_BYTE = 'B', // signed byte
- PRIMITIVE_CHAR = 'C', // Unicode character code point in the Basic Multilingual Plane,
- // encoded with UTF-16
- PRIMITIVE_DOUBLE = 'D', // double-precision floating-point value
- PRIMITIVE_FLOAT = 'F', // single-precision floating-point value
- PRIMITIVE_LONG = 'J', // long integer
- PRIMITIVE_SHORT = 'S', // signed short
- PRIMITIVE_BOOLEAN = 'Z' // true or false
+ INVALID = 0,
+ STRING = 's',
+ ENUM_CONSTANT = 'e',
+ CLASS = 'c',
+ ANNOTATION = '@',
+ ARRAY = '[', // one array dimension
+ PRIMITIVE_INT = 'I', // integer
+ PRIMITIVE_BYTE = 'B', // signed byte
+ PRIMITIVE_CHAR = 'C', // Unicode character code point in the Basic Multilingual Plane,
+ // encoded with UTF-16
+ PRIMITIVE_DOUBLE = 'D', // double-precision floating-point value
+ PRIMITIVE_FLOAT = 'F', // single-precision floating-point value
+ PRIMITIVE_LONG = 'J', // long integer
+ PRIMITIVE_SHORT = 'S', // signed short
+ PRIMITIVE_BOOLEAN = 'Z' // true or false
};
/**
* The element_value structure is a discriminated union representing the value of an
@@ -37,21 +37,21 @@ enum element_value_type : uint8_t
class element_value
{
protected:
- element_value_type type;
- constant_pool &pool;
+ element_value_type type;
+ constant_pool &pool;
public:
- element_value(element_value_type type, constant_pool &pool) : type(type), pool(pool) {};
- virtual ~element_value() {}
+ element_value(element_value_type type, constant_pool &pool) : type(type), pool(pool) {};
+ virtual ~element_value() {}
- element_value_type getElementValueType()
- {
- return type;
- }
+ element_value_type getElementValueType()
+ {
+ return type;
+ }
- virtual std::string toString() = 0;
+ virtual std::string toString() = 0;
- static element_value *readElementValue(util::membuffer &input, constant_pool &pool);
+ static element_value *readElementValue(util::membuffer &input, constant_pool &pool);
};
/**
@@ -62,58 +62,58 @@ public:
class annotation
{
public:
- typedef std::vector<std::pair<uint16_t, element_value *>> value_list;
+ typedef std::vector<std::pair<uint16_t, element_value *>> value_list;
protected:
- /**
- * The value of the type_index item must be a valid index into the constant_pool table.
- * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure
- * representing a field descriptor representing the annotation type corresponding
- * to the annotation represented by this annotation structure.
- */
- uint16_t type_index;
- /**
- * map between element_name_index and value.
- *
- * The value of the element_name_index item must be a valid index into the constant_pool
- *table.
- * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure
- *representing
- * a valid field descriptor (§4.3.2) that denotes the name of the annotation type element
- *represented
- * by this element_value_pairs entry.
- */
- value_list name_val_pairs;
- /**
- * Reference to the parent constant pool
- */
- constant_pool &pool;
+ /**
+ * The value of the type_index item must be a valid index into the constant_pool table.
+ * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure
+ * representing a field descriptor representing the annotation type corresponding
+ * to the annotation represented by this annotation structure.
+ */
+ uint16_t type_index;
+ /**
+ * map between element_name_index and value.
+ *
+ * The value of the element_name_index item must be a valid index into the constant_pool
+ *table.
+ * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure
+ *representing
+ * a valid field descriptor (§4.3.2) that denotes the name of the annotation type element
+ *represented
+ * by this element_value_pairs entry.
+ */
+ value_list name_val_pairs;
+ /**
+ * Reference to the parent constant pool
+ */
+ constant_pool &pool;
public:
- annotation(uint16_t type_index, constant_pool &pool)
- : type_index(type_index), pool(pool) {};
- ~annotation()
- {
- for (unsigned i = 0; i < name_val_pairs.size(); i++)
- {
- delete name_val_pairs[i].second;
- }
- }
- void add_pair(uint16_t key, element_value *value)
- {
- name_val_pairs.push_back(std::make_pair(key, value));
- }
- ;
- value_list::const_iterator begin()
- {
- return name_val_pairs.cbegin();
- }
- value_list::const_iterator end()
- {
- return name_val_pairs.cend();
- }
- std::string toString();
- static annotation *read(util::membuffer &input, constant_pool &pool);
+ annotation(uint16_t type_index, constant_pool &pool)
+ : type_index(type_index), pool(pool) {};
+ ~annotation()
+ {
+ for (unsigned i = 0; i < name_val_pairs.size(); i++)
+ {
+ delete name_val_pairs[i].second;
+ }
+ }
+ void add_pair(uint16_t key, element_value *value)
+ {
+ name_val_pairs.push_back(std::make_pair(key, value));
+ }
+ ;
+ value_list::const_iterator begin()
+ {
+ return name_val_pairs.cbegin();
+ }
+ value_list::const_iterator end()
+ {
+ return name_val_pairs.cend();
+ }
+ std::string toString();
+ static annotation *read(util::membuffer &input, constant_pool &pool);
};
typedef std::vector<annotation *> annotation_table;
@@ -121,158 +121,158 @@ typedef std::vector<annotation *> annotation_table;
class element_value_simple : public element_value
{
protected:
- /// index of the constant in the constant pool
- uint16_t index;
+ /// index of the constant in the constant pool
+ uint16_t index;
public:
- element_value_simple(element_value_type type, uint16_t index, constant_pool &pool)
- : element_value(type, pool), index(index) {
- // TODO: verify consistency
- };
- uint16_t getIndex()
- {
- return index;
- }
- virtual std::string toString()
- {
- return pool[index].toString();
- }
- ;
+ element_value_simple(element_value_type type, uint16_t index, constant_pool &pool)
+ : element_value(type, pool), index(index) {
+ // TODO: verify consistency
+ };
+ uint16_t getIndex()
+ {
+ return index;
+ }
+ virtual std::string toString()
+ {
+ return pool[index].toString();
+ }
+ ;
};
/// The enum_const_value item is used if the tag item is 'e'.
class element_value_enum : public element_value
{
protected:
- /**
- * The value of the type_name_index item must be a valid index into the constant_pool table.
- * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure
- * representing a valid field descriptor (§4.3.2) that denotes the internal form of the
- * binary
- * name (§4.2.1) of the type of the enum constant represented by this element_value
- * structure.
- */
- uint16_t typeIndex;
- /**
- * The value of the const_name_index item must be a valid index into the constant_pool
- * table.
- * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure
- * representing the simple name of the enum constant represented by this element_value
- * structure.
- */
- uint16_t valueIndex;
+ /**
+ * The value of the type_name_index item must be a valid index into the constant_pool table.
+ * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure
+ * representing a valid field descriptor (§4.3.2) that denotes the internal form of the
+ * binary
+ * name (§4.2.1) of the type of the enum constant represented by this element_value
+ * structure.
+ */
+ uint16_t typeIndex;
+ /**
+ * The value of the const_name_index item must be a valid index into the constant_pool
+ * table.
+ * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure
+ * representing the simple name of the enum constant represented by this element_value
+ * structure.
+ */
+ uint16_t valueIndex;
public:
- element_value_enum(element_value_type type, uint16_t typeIndex, uint16_t valueIndex,
- constant_pool &pool)
- : element_value(type, pool), typeIndex(typeIndex), valueIndex(valueIndex)
- {
- // TODO: verify consistency
- }
- uint16_t getValueIndex()
- {
- return valueIndex;
- }
- uint16_t getTypeIndex()
- {
- return typeIndex;
- }
- virtual std::string toString()
- {
- return "enum value";
- }
- ;
+ element_value_enum(element_value_type type, uint16_t typeIndex, uint16_t valueIndex,
+ constant_pool &pool)
+ : element_value(type, pool), typeIndex(typeIndex), valueIndex(valueIndex)
+ {
+ // TODO: verify consistency
+ }
+ uint16_t getValueIndex()
+ {
+ return valueIndex;
+ }
+ uint16_t getTypeIndex()
+ {
+ return typeIndex;
+ }
+ virtual std::string toString()
+ {
+ return "enum value";
+ }
+ ;
};
class element_value_class : public element_value
{
protected:
- /**
- * The class_info_index item must be a valid index into the constant_pool table.
- * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure
- * representing the return descriptor (§4.3.3) of the type that is reified by the class
- * represented by this element_value structure.
- *
- * For example, 'V' for Void.class, 'Ljava/lang/Object;' for Object, etc.
- *
- * Or in plain english, you can store type information in annotations. Yay.
- */
- uint16_t classIndex;
+ /**
+ * The class_info_index item must be a valid index into the constant_pool table.
+ * The constant_pool entry at that index must be a CONSTANT_Utf8_info (§4.4.7) structure
+ * representing the return descriptor (§4.3.3) of the type that is reified by the class
+ * represented by this element_value structure.
+ *
+ * For example, 'V' for Void.class, 'Ljava/lang/Object;' for Object, etc.
+ *
+ * Or in plain english, you can store type information in annotations. Yay.
+ */
+ uint16_t classIndex;
public:
- element_value_class(element_value_type type, uint16_t classIndex, constant_pool &pool)
- : element_value(type, pool), classIndex(classIndex)
- {
- // TODO: verify consistency
- }
- uint16_t getIndex()
- {
- return classIndex;
- }
- virtual std::string toString()
- {
- return "class";
- }
- ;
+ element_value_class(element_value_type type, uint16_t classIndex, constant_pool &pool)
+ : element_value(type, pool), classIndex(classIndex)
+ {
+ // TODO: verify consistency
+ }
+ uint16_t getIndex()
+ {
+ return classIndex;
+ }
+ virtual std::string toString()
+ {
+ return "class";
+ }
+ ;
};
/// nested annotations... yay
class element_value_annotation : public element_value
{
private:
- annotation *nestedAnnotation;
+ annotation *nestedAnnotation;
public:
- element_value_annotation(element_value_type type, annotation *nestedAnnotation,
- constant_pool &pool)
- : element_value(type, pool), nestedAnnotation(nestedAnnotation) {};
- ~element_value_annotation()
- {
- if (nestedAnnotation)
- {
- delete nestedAnnotation;
- nestedAnnotation = nullptr;
- }
- }
- virtual std::string toString()
- {
- return "nested annotation";
- }
- ;
+ element_value_annotation(element_value_type type, annotation *nestedAnnotation,
+ constant_pool &pool)
+ : element_value(type, pool), nestedAnnotation(nestedAnnotation) {};
+ ~element_value_annotation()
+ {
+ if (nestedAnnotation)
+ {
+ delete nestedAnnotation;
+ nestedAnnotation = nullptr;
+ }
+ }
+ virtual std::string toString()
+ {
+ return "nested annotation";
+ }
+ ;
};
/// and arrays!
class element_value_array : public element_value
{
public:
- typedef std::vector<element_value *> elem_vec;
+ typedef std::vector<element_value *> elem_vec;
protected:
- elem_vec values;
+ elem_vec values;
public:
- element_value_array(element_value_type type, std::vector<element_value *> &values,
- constant_pool &pool)
- : element_value(type, pool), values(values) {};
- ~element_value_array()
- {
- for (unsigned i = 0; i < values.size(); i++)
- {
- delete values[i];
- }
- }
- ;
- elem_vec::const_iterator begin()
- {
- return values.cbegin();
- }
- elem_vec::const_iterator end()
- {
- return values.cend();
- }
- virtual std::string toString()
- {
- return "array";
- }
- ;
+ element_value_array(element_value_type type, std::vector<element_value *> &values,
+ constant_pool &pool)
+ : element_value(type, pool), values(values) {};
+ ~element_value_array()
+ {
+ for (unsigned i = 0; i < values.size(); i++)
+ {
+ delete values[i];
+ }
+ }
+ ;
+ elem_vec::const_iterator begin()
+ {
+ return values.cbegin();
+ }
+ elem_vec::const_iterator end()
+ {
+ return values.cend();
+ }
+ virtual std::string toString()
+ {
+ return "array";
+ }
+ ;
};
} \ No newline at end of file
diff --git a/libraries/classparser/src/classfile.h b/libraries/classparser/src/classfile.h
index a5e7ee50..1616a828 100644
--- a/libraries/classparser/src/classfile.h
+++ b/libraries/classparser/src/classfile.h
@@ -11,146 +11,146 @@ namespace java
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);
+ 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--;
- }
+ // 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--;
- }
+ // 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 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);
+ // 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;
+ 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;
};
} \ No newline at end of file
diff --git a/libraries/classparser/src/classparser.cpp b/libraries/classparser/src/classparser.cpp
index 955686e1..b5197d7c 100644
--- a/libraries/classparser/src/classparser.cpp
+++ b/libraries/classparser/src/classparser.cpp
@@ -26,58 +26,58 @@ namespace classparser
QString GetMinecraftJarVersion(QString jarName)
{
- QString version;
+ QString version;
- // check if minecraft.jar exists
- QFile jar(jarName);
- if (!jar.exists())
- return version;
+ // check if minecraft.jar exists
+ QFile jar(jarName);
+ if (!jar.exists())
+ return version;
- // open minecraft.jar
- QuaZip zip(&jar);
- if (!zip.open(QuaZip::mdUnzip))
- return version;
+ // open minecraft.jar
+ QuaZip zip(&jar);
+ if (!zip.open(QuaZip::mdUnzip))
+ return version;
- // open Minecraft.class
- zip.setCurrentFile("net/minecraft/client/Minecraft.class", QuaZip::csSensitive);
- QuaZipFile Minecraft(&zip);
- if (!Minecraft.open(QuaZipFile::ReadOnly))
- return version;
+ // open Minecraft.class
+ zip.setCurrentFile("net/minecraft/client/Minecraft.class", QuaZip::csSensitive);
+ QuaZipFile Minecraft(&zip);
+ if (!Minecraft.open(QuaZipFile::ReadOnly))
+ return version;
- // read Minecraft.class
- qint64 size = Minecraft.size();
- char *classfile = new char[size];
- Minecraft.read(classfile, size);
+ // read Minecraft.class
+ qint64 size = Minecraft.size();
+ char *classfile = new char[size];
+ Minecraft.read(classfile, size);
- // parse Minecraft.class
- try
- {
- char *temp = classfile;
- java::classfile MinecraftClass(temp, size);
- java::constant_pool constants = MinecraftClass.constants;
- for (java::constant_pool::container_type::const_iterator iter = constants.begin();
- iter != constants.end(); iter++)
- {
- const java::constant &constant = *iter;
- if (constant.type != java::constant_type_t::j_string_data)
- continue;
- const std::string &str = constant.str_data;
- qDebug() << QString::fromStdString(str);
- if (str.compare(0, 20, "Minecraft Minecraft ") == 0)
- {
- version = str.substr(20).data();
- break;
- }
- }
- }
- catch (const java::classfile_exception &) { }
+ // parse Minecraft.class
+ try
+ {
+ char *temp = classfile;
+ java::classfile MinecraftClass(temp, size);
+ java::constant_pool constants = MinecraftClass.constants;
+ for (java::constant_pool::container_type::const_iterator iter = constants.begin();
+ iter != constants.end(); iter++)
+ {
+ const java::constant &constant = *iter;
+ if (constant.type != java::constant_type_t::j_string_data)
+ continue;
+ const std::string &str = constant.str_data;
+ qDebug() << QString::fromStdString(str);
+ if (str.compare(0, 20, "Minecraft Minecraft ") == 0)
+ {
+ version = str.substr(20).data();
+ break;
+ }
+ }
+ }
+ catch (const java::classfile_exception &) { }
- // clean up
- delete[] classfile;
- Minecraft.close();
- zip.close();
- jar.close();
+ // clean up
+ delete[] classfile;
+ Minecraft.close();
+ zip.close();
+ jar.close();
- return version;
+ return version;
}
}
diff --git a/libraries/classparser/src/constants.h b/libraries/classparser/src/constants.h
index 4f7e9299..3b6c3b7a 100644
--- a/libraries/classparser/src/constants.h
+++ b/libraries/classparser/src/constants.h
@@ -6,159 +6,159 @@ namespace java
{
enum class constant_type_t : uint8_t
{
- j_hole = 0, // HACK: this is a hole in the array, because java is crazy
- j_string_data = 1,
- j_int = 3,
- j_float = 4,
- j_long = 5,
- j_double = 6,
- j_class = 7,
- j_string = 8,
- j_fieldref = 9,
- j_methodref = 10,
- j_interface_methodref = 11,
- j_nameandtype = 12
- // FIXME: missing some constant types, see https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.4
+ j_hole = 0, // HACK: this is a hole in the array, because java is crazy
+ j_string_data = 1,
+ j_int = 3,
+ j_float = 4,
+ j_long = 5,
+ j_double = 6,
+ j_class = 7,
+ j_string = 8,
+ j_fieldref = 9,
+ j_methodref = 10,
+ j_interface_methodref = 11,
+ j_nameandtype = 12
+ // FIXME: missing some constant types, see https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.4
};
struct ref_type_t
{
- /**
- * Class reference:
- * an index within the constant pool to a UTF-8 string containing
- * the fully qualified class name (in internal format)
- * Used for j_class, j_fieldref, j_methodref and j_interface_methodref
- */
- uint16_t class_idx;
- // used for j_fieldref, j_methodref and j_interface_methodref
- uint16_t name_and_type_idx;
+ /**
+ * Class reference:
+ * an index within the constant pool to a UTF-8 string containing
+ * the fully qualified class name (in internal format)
+ * Used for j_class, j_fieldref, j_methodref and j_interface_methodref
+ */
+ uint16_t class_idx;
+ // used for j_fieldref, j_methodref and j_interface_methodref
+ uint16_t name_and_type_idx;
};
struct name_and_type_t
{
- uint16_t name_index;
- uint16_t descriptor_index;
+ uint16_t name_index;
+ uint16_t descriptor_index;
};
class constant
{
public:
- constant_type_t type = constant_type_t::j_hole;
+ constant_type_t type = constant_type_t::j_hole;
- constant(util::membuffer &buf)
- {
- buf.read(type);
+ constant(util::membuffer &buf)
+ {
+ buf.read(type);
- // load data depending on type
- switch (type)
- {
- case constant_type_t::j_float:
- buf.read_be(data.int_data);
- break;
- case constant_type_t::j_int:
- buf.read_be(data.int_data); // same as float data really
- break;
- case constant_type_t::j_double:
- buf.read_be(data.long_data);
- break;
- case constant_type_t::j_long:
- buf.read_be(data.long_data); // same as double
- break;
- case constant_type_t::j_class:
- buf.read_be(data.ref_type.class_idx);
- break;
- case constant_type_t::j_fieldref:
- case constant_type_t::j_methodref:
- case constant_type_t::j_interface_methodref:
- buf.read_be(data.ref_type.class_idx);
- buf.read_be(data.ref_type.name_and_type_idx);
- break;
- case constant_type_t::j_string:
- buf.read_be(data.index);
- break;
- case constant_type_t::j_string_data:
- // HACK HACK: for now, we call these UTF-8 and do no further processing.
- // Later, we should do some decoding. It's really modified UTF-8
- // * U+0000 is represented as 0xC0,0x80 invalid character
- // * any single zero byte ends the string
- // * characters above U+10000 are encoded like in CESU-8
- buf.read_jstr(str_data);
- break;
- case constant_type_t::j_nameandtype:
- buf.read_be(data.name_and_type.name_index);
- buf.read_be(data.name_and_type.descriptor_index);
- break;
- default:
- // invalid constant type!
- throw new classfile_exception();
- }
- }
- constant(int)
- {
- }
+ // load data depending on type
+ switch (type)
+ {
+ case constant_type_t::j_float:
+ buf.read_be(data.int_data);
+ break;
+ case constant_type_t::j_int:
+ buf.read_be(data.int_data); // same as float data really
+ break;
+ case constant_type_t::j_double:
+ buf.read_be(data.long_data);
+ break;
+ case constant_type_t::j_long:
+ buf.read_be(data.long_data); // same as double
+ break;
+ case constant_type_t::j_class:
+ buf.read_be(data.ref_type.class_idx);
+ break;
+ case constant_type_t::j_fieldref:
+ case constant_type_t::j_methodref:
+ case constant_type_t::j_interface_methodref:
+ buf.read_be(data.ref_type.class_idx);
+ buf.read_be(data.ref_type.name_and_type_idx);
+ break;
+ case constant_type_t::j_string:
+ buf.read_be(data.index);
+ break;
+ case constant_type_t::j_string_data:
+ // HACK HACK: for now, we call these UTF-8 and do no further processing.
+ // Later, we should do some decoding. It's really modified UTF-8
+ // * U+0000 is represented as 0xC0,0x80 invalid character
+ // * any single zero byte ends the string
+ // * characters above U+10000 are encoded like in CESU-8
+ buf.read_jstr(str_data);
+ break;
+ case constant_type_t::j_nameandtype:
+ buf.read_be(data.name_and_type.name_index);
+ buf.read_be(data.name_and_type.descriptor_index);
+ break;
+ default:
+ // invalid constant type!
+ throw new classfile_exception();
+ }
+ }
+ constant(int)
+ {
+ }
- std::string toString()
- {
- std::ostringstream ss;
- switch (type)
- {
- case constant_type_t::j_hole:
- ss << "Fake legacy entry";
- break;
- case constant_type_t::j_float:
- ss << "Float: " << data.float_data;
- break;
- case constant_type_t::j_double:
- ss << "Double: " << data.double_data;
- break;
- case constant_type_t::j_int:
- ss << "Int: " << data.int_data;
- break;
- case constant_type_t::j_long:
- ss << "Long: " << data.long_data;
- break;
- case constant_type_t::j_string_data:
- ss << "StrData: " << str_data;
- break;
- case constant_type_t::j_string:
- ss << "Str: " << data.index;
- break;
- case constant_type_t::j_fieldref:
- ss << "FieldRef: " << data.ref_type.class_idx << " " << data.ref_type.name_and_type_idx;
- break;
- case constant_type_t::j_methodref:
- ss << "MethodRef: " << data.ref_type.class_idx << " " << data.ref_type.name_and_type_idx;
- break;
- case constant_type_t::j_interface_methodref:
- ss << "IfMethodRef: " << data.ref_type.class_idx << " " << data.ref_type.name_and_type_idx;
- break;
- case constant_type_t::j_class:
- ss << "Class: " << data.ref_type.class_idx;
- break;
- case constant_type_t::j_nameandtype:
- ss << "NameAndType: " << data.name_and_type.name_index << " "
- << data.name_and_type.descriptor_index;
- break;
- default:
- ss << "Invalid entry (" << int(type) << ")";
- break;
- }
- return ss.str();
- }
+ std::string toString()
+ {
+ std::ostringstream ss;
+ switch (type)
+ {
+ case constant_type_t::j_hole:
+ ss << "Fake legacy entry";
+ break;
+ case constant_type_t::j_float:
+ ss << "Float: " << data.float_data;
+ break;
+ case constant_type_t::j_double:
+ ss << "Double: " << data.double_data;
+ break;
+ case constant_type_t::j_int:
+ ss << "Int: " << data.int_data;
+ break;
+ case constant_type_t::j_long:
+ ss << "Long: " << data.long_data;
+ break;
+ case constant_type_t::j_string_data:
+ ss << "StrData: " << str_data;
+ break;
+ case constant_type_t::j_string:
+ ss << "Str: " << data.index;
+ break;
+ case constant_type_t::j_fieldref:
+ ss << "FieldRef: " << data.ref_type.class_idx << " " << data.ref_type.name_and_type_idx;
+ break;
+ case constant_type_t::j_methodref:
+ ss << "MethodRef: " << data.ref_type.class_idx << " " << data.ref_type.name_and_type_idx;
+ break;
+ case constant_type_t::j_interface_methodref:
+ ss << "IfMethodRef: " << data.ref_type.class_idx << " " << data.ref_type.name_and_type_idx;
+ break;
+ case constant_type_t::j_class:
+ ss << "Class: " << data.ref_type.class_idx;
+ break;
+ case constant_type_t::j_nameandtype:
+ ss << "NameAndType: " << data.name_and_type.name_index << " "
+ << data.name_and_type.descriptor_index;
+ break;
+ default:
+ ss << "Invalid entry (" << int(type) << ")";
+ break;
+ }
+ return ss.str();
+ }
- std::string str_data; /** String data in 'modified utf-8'.*/
+ std::string str_data; /** String data in 'modified utf-8'.*/
- // store everything here.
- union
- {
- int32_t int_data;
- int64_t long_data;
- float float_data;
- double double_data;
- uint16_t index;
- ref_type_t ref_type;
- name_and_type_t name_and_type;
- } data = {0};
+ // store everything here.
+ union
+ {
+ int32_t int_data;
+ int64_t long_data;
+ float float_data;
+ double double_data;
+ uint16_t index;
+ ref_type_t ref_type;
+ name_and_type_t name_and_type;
+ } data = {0};
};
/**
@@ -168,64 +168,64 @@ public:
class constant_pool
{
public:
- /**
- * Create a pool of constants
- */
- constant_pool()
- {
- }
- /**
- * Load a java constant pool
- */
- void load(util::membuffer &buf)
- {
- // FIXME: @SANITY this should check for the end of buffer.
- uint16_t length = 0;
- buf.read_be(length);
- length--;
- const constant *last_constant = nullptr;
- while (length)
- {
- const constant &cnst = constant(buf);
- constants.push_back(cnst);
- last_constant = &constants[constants.size() - 1];
- if (last_constant->type == constant_type_t::j_double ||
- last_constant->type == constant_type_t::j_long)
- {
- // push in a fake constant to preserve indexing
- constants.push_back(constant(0));
- length -= 2;
- }
- else
- {
- length--;
- }
- }
- }
- typedef std::vector<java::constant> container_type;
- /**
- * Access constants based on jar file index numbers (index of the first element is 1)
- */
- java::constant &operator[](std::size_t constant_index)
- {
- if (constant_index == 0 || constant_index > constants.size())
- {
- throw new classfile_exception();
- }
- return constants[constant_index - 1];
- }
- ;
- container_type::const_iterator begin() const
- {
- return constants.begin();
- }
- ;
- container_type::const_iterator end() const
- {
- return constants.end();
- }
+ /**
+ * Create a pool of constants
+ */
+ constant_pool()
+ {
+ }
+ /**
+ * Load a java constant pool
+ */
+ void load(util::membuffer &buf)
+ {
+ // FIXME: @SANITY this should check for the end of buffer.
+ uint16_t length = 0;
+ buf.read_be(length);
+ length--;
+ const constant *last_constant = nullptr;
+ while (length)
+ {
+ const constant &cnst = constant(buf);
+ constants.push_back(cnst);
+ last_constant = &constants[constants.size() - 1];
+ if (last_constant->type == constant_type_t::j_double ||
+ last_constant->type == constant_type_t::j_long)
+ {
+ // push in a fake constant to preserve indexing
+ constants.push_back(constant(0));
+ length -= 2;
+ }
+ else
+ {
+ length--;
+ }
+ }
+ }
+ typedef std::vector<java::constant> container_type;
+ /**
+ * Access constants based on jar file index numbers (index of the first element is 1)
+ */
+ java::constant &operator[](std::size_t constant_index)
+ {
+ if (constant_index == 0 || constant_index > constants.size())
+ {
+ throw new classfile_exception();
+ }
+ return constants[constant_index - 1];
+ }
+ ;
+ container_type::const_iterator begin() const
+ {
+ return constants.begin();
+ }
+ ;
+ container_type::const_iterator end() const
+ {
+ return constants.end();
+ }
private:
- container_type constants;
+ container_type constants;
};
}
diff --git a/libraries/classparser/src/javaendian.h b/libraries/classparser/src/javaendian.h
index 5e6fff55..076bff5e 100644
--- a/libraries/classparser/src/javaendian.h
+++ b/libraries/classparser/src/javaendian.h
@@ -9,67 +9,67 @@ namespace util
#ifdef MULTIMC_BIG_ENDIAN
inline uint64_t bigswap(uint64_t x)
{
- return x;
+ return x;
}
;
inline uint32_t bigswap(uint32_t x)
{
- return x;
+ return x;
}
;
inline uint16_t bigswap(uint16_t x)
{
- return x;
+ return x;
}
;
inline int64_t bigswap(int64_t x)
{
- return x;
+ return x;
}
;
inline int32_t bigswap(int32_t x)
{
- return x;
+ return x;
}
;
inline int16_t bigswap(int16_t x)
{
- return x;
+ return x;
}
;
#else
inline uint64_t bigswap(uint64_t x)
{
- return (x >> 56) | ((x << 40) & 0x00FF000000000000) | ((x << 24) & 0x0000FF0000000000) |
- ((x << 8) & 0x000000FF00000000) | ((x >> 8) & 0x00000000FF000000) |
- ((x >> 24) & 0x0000000000FF0000) | ((x >> 40) & 0x000000000000FF00) | (x << 56);
+ return (x >> 56) | ((x << 40) & 0x00FF000000000000) | ((x << 24) & 0x0000FF0000000000) |
+ ((x << 8) & 0x000000FF00000000) | ((x >> 8) & 0x00000000FF000000) |
+ ((x >> 24) & 0x0000000000FF0000) | ((x >> 40) & 0x000000000000FF00) | (x << 56);
}
inline uint32_t bigswap(uint32_t x)
{
- return (x >> 24) | ((x << 8) & 0x00FF0000) | ((x >> 8) & 0x0000FF00) | (x << 24);
+ return (x >> 24) | ((x << 8) & 0x00FF0000) | ((x >> 8) & 0x0000FF00) | (x << 24);
}
inline uint16_t bigswap(uint16_t x)
{
- return (x >> 8) | (x << 8);
+ return (x >> 8) | (x << 8);
}
inline int64_t bigswap(int64_t x)
{
- return (x >> 56) | ((x << 40) & 0x00FF000000000000) | ((x << 24) & 0x0000FF0000000000) |
- ((x << 8) & 0x000000FF00000000) | ((x >> 8) & 0x00000000FF000000) |
- ((x >> 24) & 0x0000000000FF0000) | ((x >> 40) & 0x000000000000FF00) | (x << 56);
+ return (x >> 56) | ((x << 40) & 0x00FF000000000000) | ((x << 24) & 0x0000FF0000000000) |
+ ((x << 8) & 0x000000FF00000000) | ((x >> 8) & 0x00000000FF000000) |
+ ((x >> 24) & 0x0000000000FF0000) | ((x >> 40) & 0x000000000000FF00) | (x << 56);
}
inline int32_t bigswap(int32_t x)
{
- return (x >> 24) | ((x << 8) & 0x00FF0000) | ((x >> 8) & 0x0000FF00) | (x << 24);
+ return (x >> 24) | ((x << 8) & 0x00FF0000) | ((x >> 8) & 0x0000FF00) | (x << 24);
}
inline int16_t bigswap(int16_t x)
{
- return (x >> 8) | (x << 8);
+ return (x >> 8) | (x << 8);
}
#endif
diff --git a/libraries/classparser/src/membuffer.h b/libraries/classparser/src/membuffer.h
index ab83412a..f81c9705 100644
--- a/libraries/classparser/src/membuffer.h
+++ b/libraries/classparser/src/membuffer.h
@@ -10,54 +10,54 @@ namespace util
class membuffer
{
public:
- membuffer(char *buffer, std::size_t size)
- {
- current = start = buffer;
- end = start + size;
- }
- ~membuffer()
- {
- // maybe? possibly? left out to avoid confusion. for now.
- // delete start;
- }
- /**
- * Read some value. That's all ;)
- */
- template <class T> void read(T &val)
- {
- val = *(T *)current;
- current += sizeof(T);
- }
- /**
- * Read a big-endian number
- * valid for 2-byte, 4-byte and 8-byte variables
- */
- template <class T> void read_be(T &val)
- {
- val = util::bigswap(*(T *)current);
- current += sizeof(T);
- }
- /**
- * Read a string in the format:
- * 2B length (big endian, unsigned)
- * length bytes data
- */
- void read_jstr(std::string &str)
- {
- uint16_t length = 0;
- read_be(length);
- str.append(current, length);
- current += length;
- }
- /**
- * Skip N bytes
- */
- void skip(std::size_t N)
- {
- current += N;
- }
+ membuffer(char *buffer, std::size_t size)
+ {
+ current = start = buffer;
+ end = start + size;
+ }
+ ~membuffer()
+ {
+ // maybe? possibly? left out to avoid confusion. for now.
+ // delete start;
+ }
+ /**
+ * Read some value. That's all ;)
+ */
+ template <class T> void read(T &val)
+ {
+ val = *(T *)current;
+ current += sizeof(T);
+ }
+ /**
+ * Read a big-endian number
+ * valid for 2-byte, 4-byte and 8-byte variables
+ */
+ template <class T> void read_be(T &val)
+ {
+ val = util::bigswap(*(T *)current);
+ current += sizeof(T);
+ }
+ /**
+ * Read a string in the format:
+ * 2B length (big endian, unsigned)
+ * length bytes data
+ */
+ void read_jstr(std::string &str)
+ {
+ uint16_t length = 0;
+ read_be(length);
+ str.append(current, length);
+ current += length;
+ }
+ /**
+ * Skip N bytes
+ */
+ void skip(std::size_t N)
+ {
+ current += N;
+ }
private:
- char *start, *end, *current;
+ char *start, *end, *current;
};
}