56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
#include "assert.h"
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#include "class_file.h"
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#include "bytes.h"
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#include "debug.h"
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#include "printf.h"
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int find_code_name_index(struct class_file * class_file)
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{
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for (int i = 0; i < class_file->constant_pool_count - 1; i++) {
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struct constant * constant = &class_file->constant_pool[i];
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if (constant->tag == CONSTANT_Utf8) {
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if (constant_equal(constant, "Code")) {
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return i + 1;
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}
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}
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}
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return 0;
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}
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int find_constantvalue_name_index(struct class_file * class_file)
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{
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for (int i = 0; i < class_file->constant_pool_count - 1; i++) {
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struct constant * constant = &class_file->constant_pool[i];
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if (constant->tag == CONSTANT_Utf8) {
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if (constant_equal(constant, "ConstantValue")) {
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return i + 1;
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}
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}
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}
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return 0;
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}
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int find_linenumbertable_name_index(struct class_file * class_file)
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{
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for (int i = 0; i < class_file->constant_pool_count - 1; i++) {
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struct constant * constant = &class_file->constant_pool[i];
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if (constant->tag == CONSTANT_Utf8) {
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if (constant_equal(constant, "LineNumberTable")) {
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return i + 1;
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}
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}
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}
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return 0;
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}
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struct attribute_info * find_attribute(int name_index,
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int attributes_count,
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struct attribute_info * attributes)
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{
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for (int i = 0; i < attributes_count; i++) {
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if (attributes[i].attribute_name_index == name_index)
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return &attributes[i];
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}
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return nullptr;
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}
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