64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "frame.h"
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#include "class_resolver.h"
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#include "string.h"
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#include "file.h"
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static struct hash_table_entry * load_from_filenames(const char * filenames[], int length, int * hash_table_length)
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{
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const uint8_t ** class_names = (const uint8_t **)filenames;
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int class_names_length[length];
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uint8_t * buffers[length];
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size_t file_size[length];
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for (int i = 0; i < length; i++) {
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uint32_t filename_length = string_length(filenames[i]);
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const char * suffix = ".class";
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uint32_t suffix_length = string_length(suffix);
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const char * filename_suffix = &filenames[i][filename_length - suffix_length];
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if (filename_length <= suffix_length || !string_equal(suffix, filename_suffix)) {
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printf("invalid class filename: %s\n", filenames[i]);
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continue;
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}
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class_names_length[i] = filename_length - suffix_length;
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printf("load class: %s\n", filenames[i]);
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buffers[i] = file_read(filenames[i], &file_size[i]);
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}
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struct hash_table_entry * class_hash_table = class_resolver_load_from_buffers(class_names,
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class_names_length,
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(const uint8_t **)buffers,
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length,
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hash_table_length);
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for (int i = 0; i < length; i++) {
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memset(buffers[i], 0, file_size[i]);
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free(buffers[i]);
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}
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return class_hash_table;
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}
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int main(int argc, const char * argv[])
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{
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assert(argc >= 3);
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const uint8_t * main_class = (const uint8_t *)argv[1];
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int main_class_length = string_length((const char *)main_class);
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const char ** class_filenames = &argv[2];
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int num_class_filenames = argc - 2;
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int class_hash_table_length;
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struct hash_table_entry * class_hash_table = load_from_filenames(class_filenames, num_class_filenames, &class_hash_table_length);
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vm_start(class_hash_table_length,
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class_hash_table,
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main_class,
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main_class_length);
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}
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