Zack Buhman
16eb6aa523
Object fields are now tightly packed. The intent is to make Object instances more useful in native methods.
65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
#include "frame.h"
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#include "class_resolver.h"
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#include "string.h"
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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 char * main_class = argv[1];
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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 = class_resolver_load_from_filenames(class_filenames, num_class_filenames, &class_hash_table_length);
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struct class_entry * class_entry = class_resolver_lookup_class(class_hash_table_length,
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class_hash_table,
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(const uint8_t *)main_class,
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string_length(main_class));
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assert(class_entry != nullptr);
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const char * method_name = "main";
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int method_name_length = string_length(method_name);
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const char * method_descriptor = "()V";
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int method_descriptor_length = string_length(method_descriptor);
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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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struct method_info * method_info = class_resolver_lookup_method(methods_hash_table_length,
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methods_hash_table,
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(const uint8_t *)method_name,
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method_name_length,
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(const uint8_t *)method_descriptor,
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method_descriptor_length);
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assert(method_info != nullptr);
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struct vm vm;
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vm.class_hash_table.entry = class_hash_table;
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vm.class_hash_table.length = class_hash_table_length;
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vm.frame_stack.ix = 0;
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vm.frame_stack.capacity = 1024;
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struct frame frames[vm.frame_stack.capacity];
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vm.frame_stack.frame = frames;
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vm.data_stack.ix = 0;
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vm.data_stack.capacity = 0x100000;
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uint32_t data[vm.data_stack.capacity];
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vm.data_stack.data = data;
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struct frame * entry_frame = stack_push_frame(&vm.frame_stack, 1);
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struct Code_attribute code;
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code.max_locals = 0;
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code.max_stack = 0;
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entry_frame->code = &code;
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entry_frame->local_variable = 0;
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entry_frame->operand_stack = 0;
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entry_frame->operand_stack_ix = 0;
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vm_static_method_call(&vm, class_entry, method_info);
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vm_execute(&vm);
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}
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