83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
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#include "classfile.h"
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#include "annotations.h"
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#include <sstream>
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namespace java
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{
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std::string annotation::toString()
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{
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std::ostringstream ss;
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ss << "Annotation type : " << type_index << " - " << pool[type_index].str_data << std::endl;
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ss << "Contains " << name_val_pairs.size() << " pairs:" << std::endl;
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for(unsigned i = 0; i < name_val_pairs.size(); i++)
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{
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std::pair<uint16_t, element_value *> &val = name_val_pairs[i];
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auto name_idx = val.first;
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ss << pool[name_idx].str_data << "(" << name_idx << ")" << " = " << val.second->toString() << std::endl;
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}
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return ss.str();
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}
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annotation * annotation::read (util::membuffer& input, constant_pool& pool)
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{
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uint16_t type_index = 0;
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input.read_be(type_index);
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annotation * ann = new annotation(type_index,pool);
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uint16_t num_pairs = 0;
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input.read_be(num_pairs);
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while(num_pairs)
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{
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uint16_t name_idx = 0;
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// read name index
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input.read_be(name_idx);
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auto elem = element_value::readElementValue(input,pool);
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// read value
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ann->add_pair(name_idx, elem);
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num_pairs --;
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}
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return ann;
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}
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element_value* element_value::readElementValue ( util::membuffer& input, java::constant_pool& pool )
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{
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element_value_type type = INVALID;
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input.read(type);
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uint16_t index = 0;
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uint16_t index2 = 0;
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std::vector <element_value *> vals;
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switch (type)
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{
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case PRIMITIVE_BYTE:
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case PRIMITIVE_CHAR:
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case PRIMITIVE_DOUBLE:
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case PRIMITIVE_FLOAT:
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case PRIMITIVE_INT:
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case PRIMITIVE_LONG:
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case PRIMITIVE_SHORT:
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case PRIMITIVE_BOOLEAN:
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case STRING:
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input.read_be(index);
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return new element_value_simple(type, index, pool);
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case ENUM_CONSTANT:
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input.read_be(index);
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input.read_be(index2);
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return new element_value_enum(type, index, index2, pool);
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case CLASS: // Class
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input.read_be(index);
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return new element_value_class(type, index, pool);
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case ANNOTATION: // Annotation
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// FIXME: runtime visibility info needs to be passed from parent
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return new element_value_annotation(ANNOTATION, annotation::read(input, pool), pool);
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case ARRAY: // Array
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input.read_be(index);
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for (int i = 0; i < index; i++)
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{
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vals.push_back(element_value::readElementValue(input, pool));
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}
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return new element_value_array(ARRAY, vals, pool);
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default:
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throw new java::classfile_exception();
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}
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}
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}
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