Zack Buhman
16eb6aa523
Object fields are now tightly packed. The intent is to make Object instances more useful in native methods.
65 lines
3.5 KiB
C
65 lines
3.5 KiB
C
#include "debug_class_file.h"
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static inline void class_entry_field_entry_from_constant_index(struct vm * vm,
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int32_t index,
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struct class_entry ** class_entry,
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struct field_entry ** field_entry,
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struct constant ** field_descriptor_constant)
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{
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struct constant * fieldref_constant = &vm->current_frame->class_entry->class_file->constant_pool[index - 1];
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#ifdef DEBUG
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assert(fieldref_constant->tag == CONSTANT_Fieldref);
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#endif
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*class_entry = class_resolver_lookup_class_from_class_index(vm->class_hash_table.length,
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vm->class_hash_table.entry,
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vm->current_frame->class_entry,
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fieldref_constant->fieldref.class_index);
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assert(*class_entry != nullptr);
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int fields_hash_table_length = (*class_entry)->fields.length;
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struct hash_table_entry * fields_hash_table = (*class_entry)->fields.entry;
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*field_entry = class_resolver_lookup_field_from_fieldref_index(fields_hash_table_length,
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fields_hash_table,
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vm->current_frame->class_entry,
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index);
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assert(*field_entry != nullptr);
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struct constant * nameandtype_constant = &vm->current_frame->class_entry->class_file->constant_pool[fieldref_constant->fieldref.name_and_type_index - 1];
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#ifdef DEBUG
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assert(nameandtype_constant->tag == CONSTANT_NameAndType);
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#endif
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*field_descriptor_constant = &vm->current_frame->class_entry->class_file->constant_pool[nameandtype_constant->nameandtype.descriptor_index - 1];
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#ifdef DEBUG
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assert((*field_descriptor_constant)->tag == CONSTANT_Utf8);
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#endif
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}
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static inline void class_entry_method_info_from_constant_index(struct vm * vm,
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int32_t index,
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struct class_entry ** class_entry,
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struct method_info ** method_info)
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{
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struct constant * methodref_constant = &vm->current_frame->class_entry->class_file->constant_pool[index - 1];
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#ifdef DEBUG
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assert(methodref_constant->tag == CONSTANT_Methodref);
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#endif
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*class_entry = class_resolver_lookup_class_from_class_index(vm->class_hash_table.length,
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vm->class_hash_table.entry,
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vm->current_frame->class_entry,
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methodref_constant->methodref.class_index);
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assert(*class_entry != nullptr);
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int methods_hash_table_length = (*class_entry)->methods.length;
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struct hash_table_entry * methods_hash_table = (*class_entry)->methods.entry;
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*method_info = class_resolver_lookup_method_from_methodref_index(methods_hash_table_length,
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methods_hash_table,
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vm->current_frame->class_entry,
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index);
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assert(*method_info != nullptr);
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}
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