void cafebabe_field_info_deinit(struct cafebabe_field_info *f) { for (uint16_t i = 0; i < f->attributes.count; ++i) cafebabe_attribute_info_deinit(&f->attributes.array[i]); free(f->attributes.array); }
void cafebabe_method_info_deinit(struct cafebabe_method_info *m) { for (uint16_t i = 0; i < m->attributes.count; ++i) cafebabe_attribute_info_deinit(&m->attributes.array[i]); free(m->attributes.array); }
void cafebabe_code_attribute_deinit(struct cafebabe_code_attribute *a) { free(a->exception_table); for (uint16_t i = 0; i < a->attributes.count; ++i) cafebabe_attribute_info_deinit(&a->attributes.array[i]); free(a->attributes.array); }
int cafebabe_field_info_init(struct cafebabe_field_info *f, struct cafebabe_stream *s) { if (cafebabe_stream_read_uint16(s, &f->access_flags)) goto out; if (cafebabe_stream_read_uint16(s, &f->name_index)) goto out; if (cafebabe_stream_read_uint16(s, &f->descriptor_index)) goto out; if (cafebabe_stream_read_uint16(s, &f->attributes.count)) goto out; f->attributes.array = cafebabe_stream_malloc(s, sizeof(*f->attributes.array) * f->attributes.count); if (!f->attributes.array) goto out; uint16_t attributes_i; for (uint16_t i = 0; i < f->attributes.count; ++i) { if (cafebabe_attribute_info_init(&f->attributes.array[i], s)) { attributes_i = i; goto out_attributes_init; } } attributes_i = f->attributes.count; return 0; out_attributes_init: for (uint16_t i = 0; i < attributes_i; ++i) cafebabe_attribute_info_deinit(&f->attributes.array[i]); free(f->attributes.array); out: return 1; }
int cafebabe_code_attribute_init(struct cafebabe_code_attribute *a, struct cafebabe_stream *s) { if (cafebabe_stream_read_uint16(s, &a->max_stack)) goto out; if (cafebabe_stream_read_uint16(s, &a->max_locals)) goto out; if (cafebabe_stream_read_uint32(s, &a->code_length)) goto out; a->code = cafebabe_stream_pointer(s); if (cafebabe_stream_skip(s, a->code_length)) goto out; if (cafebabe_stream_read_uint16(s, &a->exception_table_length)) goto out; a->exception_table = cafebabe_stream_malloc(s, sizeof(*a->exception_table) * a->exception_table_length); if (!a->exception_table) goto out; for (uint16_t i = 0; i < a->exception_table_length; ++i) { struct cafebabe_code_attribute_exception *e = &a->exception_table[i]; if (cafebabe_stream_read_uint16(s, &e->start_pc)) goto out_exception_table; if (cafebabe_stream_read_uint16(s, &e->end_pc)) goto out_exception_table; if (cafebabe_stream_read_uint16(s, &e->handler_pc)) goto out_exception_table; if (cafebabe_stream_read_uint16(s, &e->catch_type)) goto out_exception_table; } if (cafebabe_stream_read_uint16(s, &a->attributes.count)) goto out_exception_table; a->attributes.array = cafebabe_stream_malloc(s, sizeof(*a->attributes.array) * a->attributes.count); if (!a->attributes.array) goto out_exception_table; uint16_t attributes_i; for (uint16_t i = 0; i < a->attributes.count; ++i) { if (cafebabe_attribute_info_init(&a->attributes.array[i], s)) { attributes_i = i; goto out_attributes_init; } } attributes_i = a->attributes.count; if (!cafebabe_stream_eof(s)) { s->cafebabe_errno = CAFEBABE_ERROR_EXPECTED_EOF; goto out_attributes_init; } /* Success */ return 0; out_attributes_init: for (uint16_t i = 0; i < attributes_i; ++i) cafebabe_attribute_info_deinit(&a->attributes.array[i]); free(a->attributes.array); out_exception_table: free(a->exception_table); out: return 1; }