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undar-lang-register/src/test.c

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#include "test.h"
#include "vm.h"
#include <string.h>
/* Array of test mappings */
struct TestMapping internal_tests[] = {
{"simple.ul", test_simple_compile},
{"loop.ul", test_loop_compile},
{"add.ul", test_add_function_compile},
{"fib.ul", test_recursive_function_compile},
{"window.ul", test_window_click_compile},
/* Add more test mappings here */
{NULL, NULL} /* Sentinel to mark end of array */
};
bool compile_internal_test(const char* filename, VM* vm) {
int i;
for (i = 0; internal_tests[i].filename != NULL; i++) {
if (strcmp(internal_tests[i].filename, filename) == 0) {
return internal_tests[i].test_func(vm);
}
}
return false;
}
bool test_simple_compile(VM *vm) {
vm->code[vm->cp++].u = OP(OP_LOAD, 0, 0, 0);
vm->code[vm->cp++].u = nat_alloc(vm, 1);
vm->code[vm->cp++].u = OP(OP_LOAD, 1, 0, 0);
vm->code[vm->cp++].u = nat_alloc(vm, 2);
vm->code[vm->cp++].u = OP(OP_ADD_UINT, 2, 1, 0); /* let sum = 1 + 2; */
vm->code[vm->cp++].u = OP(OP_UINT_TO_STRING, 3, 2, 0);
vm->code[vm->cp++].u = OP(OP_DBG_PRINT_STRING, 0, 3, 0); /* print(sum.toS()); */
vm->code[vm->cp++].u = OP(OP_HALT, 0, 0, 0); /* explicit halt */
return true;
}
bool test_loop_compile(VM *vm) {
vm->code[vm->cp++].u = OP(OP_LOAD, 0, 0, 0); /* let a = 5.0 */
vm->code[vm->cp++].u = real_alloc(vm, 5.0f);
vm->code[vm->cp++].u = OP(OP_LOAD, 1, 0, 0); /* do (i = 50000, 0, -1) { */
vm->code[vm->cp++].u = int_alloc(vm, 10000);
vm->code[vm->cp++].u = OP(OP_LOAD, 2, 0, 0); /* loop check value */
vm->code[vm->cp++].u = int_alloc(vm, 0);
vm->code[vm->cp++].u = OP(OP_LOAD, 3, 0, 0); /* loop incriment value */
vm->code[vm->cp++].u = int_alloc(vm, -1);
vm->code[vm->cp++].u = OP(OP_LOAD, 5, 0, 0); /* a */
vm->code[vm->cp++].u = real_alloc(vm, 5.0f);
vm->code[vm->cp++].u = OP(OP_LOAD, 4, 0, 0); /* loop start */
uint32_t addr = vm->cp + 1;
vm->code[vm->cp++].u = int_alloc(vm, addr);
vm->code[vm->cp++].u = OP(OP_ADD_REAL, 0, 0, 5); /* a += 5.0; */
vm->code[vm->cp++].u = OP(OP_ADD_INT, 1, 1, 3); /* (implied by loop) i = i + (-1) */
vm->code[vm->cp++].u = OP(OP_JGE_INT, 4, 1, 2); /* } */
vm->code[vm->cp++].u = OP(OP_REAL_TO_UINT, 1, 0, 0); /* let b = a as nat; */
vm->code[vm->cp++].u = OP(OP_LOAD, 6, 0, 0);
uint32_t str_addr = str_alloc(vm, "Enter a string:", 16);
vm->code[vm->cp++].u = nat_alloc(vm, str_addr);
vm->code[vm->cp++].u = OP(OP_DBG_PRINT_STRING, 0, 6, 0); /* print("Enter a string: "); */
vm->code[vm->cp++].u = OP(OP_DBG_READ_STRING, 2, 0, 0); /* let user_string = gets(); */
vm->code[vm->cp++].u = OP(OP_UINT_TO_STRING, 3, 1, 0);
vm->code[vm->cp++].u = OP(OP_DBG_PRINT_STRING, 0, 3, 0); /* print(a.toS()); */
vm->code[vm->cp++].u = OP(OP_REAL_TO_STRING, 3, 0, 0);
vm->code[vm->cp++].u = OP(OP_DBG_PRINT_STRING, 0, 3, 0); /* print(b.toS()); */
vm->code[vm->cp++].u = OP(OP_DBG_PRINT_STRING, 0, 2, 0); /* print(user_string); */
vm->code[vm->cp++].u = OP(OP_HALT, 0, 0, 0); /* program done */
return true;
}
bool test_add_function_compile(VM *vm) {
/* fn main() */
vm->code[vm->cp++].u = OP(OP_LOAD, 0, 0, 0); /* 1 */
vm->code[vm->cp++].u = int_alloc(vm, 1);
vm->code[vm->cp++].u = OP(OP_PUSH, 0, 0, 0);
vm->code[vm->cp++].u = OP(OP_LOAD, 0, 0, 0); /* 1 */
vm->code[vm->cp++].u = int_alloc(vm, 1);
vm->code[vm->cp++].u = OP(OP_PUSH, 0, 0, 0);
vm->code[vm->cp++].u = OP(OP_CALL, 0, 0, 0); /* ); */
vm->code[vm->cp++].u = 12;
vm->code[vm->cp++].u = OP(OP_POP, 0, 0, 0); /* get return value */
vm->code[vm->cp++].u = OP(OP_INT_TO_STRING, 1, 0, 0);
vm->code[vm->cp++].u = OP(OP_DBG_PRINT_STRING, 0, 1, 0); /* print(sum.toS()); */
vm->code[vm->cp++].u = OP(OP_HALT, 0, 0, 0);
/* fn add() */
vm->code[vm->cp++].u = OP(OP_POP, 0, 0, 0); /* a int */
vm->code[vm->cp++].u = OP(OP_POP, 1, 0, 0); /* b int */
vm->code[vm->cp++].u = OP(OP_ADD_INT, 2, 1, 0); /* a + b */
vm->code[vm->cp++].u = OP(OP_PUSH, 2, 0, 0); /* push on stack */
vm->code[vm->cp++].u = OP(OP_RETURN, 0, 0, 0);
return true;
}
bool test_recursive_function_compile(VM *vm) {
/* fn main() */
vm->code[vm->cp++].u = OP(OP_LOAD, 0, 0, 0); /* 35 */
vm->code[vm->cp++].u = int_alloc(vm, 35);
vm->code[vm->cp++].u = OP(OP_PUSH, 0, 0, 0);
vm->code[vm->cp++].u = OP(OP_CALL, 0, 0, 0); /* ); */
vm->code[vm->cp++].u = 9;
vm->code[vm->cp++].u = OP(OP_POP, 0, 0, 0); /* get return value */
vm->code[vm->cp++].u = OP(OP_INT_TO_STRING, 1, 0, 0);
vm->code[vm->cp++].u = OP(OP_DBG_PRINT_STRING, 0, 1, 0); /* print(fib(35).toS()); */
vm->code[vm->cp++].u = OP(OP_HALT, 0, 0, 0);
/* fn fib() */
vm->code[vm->cp++].u = OP(OP_POP, 0, 0, 0); /* n int */
vm->code[vm->cp++].u = OP(OP_LOAD, 1, 0, 0); /* 2 */
vm->code[vm->cp++].u = int_alloc(vm, 2);
vm->code[vm->cp++].u = OP(OP_LOAD, 2, 0, 0); /* &fib */
vm->code[vm->cp++].u = int_alloc(vm, 32);
vm->code[vm->cp++].u = OP(OP_JLT_INT, 2, 0, 1);
vm->code[vm->cp++].u = OP(OP_LOAD, 3, 0, 0); /* 2 */
vm->code[vm->cp++].u = int_alloc(vm, 2);
vm->code[vm->cp++].u = OP(OP_SUB_INT, 4, 0, 3);
vm->code[vm->cp++].u = OP(OP_PUSH, 4, 0, 0);
vm->code[vm->cp++].u = OP(OP_CALL, 0, 0, 0); /* fib(n - 2) */
vm->code[vm->cp++].u = 9;
vm->code[vm->cp++].u = OP(OP_LOAD, 3, 0, 0); /* 1 */
vm->code[vm->cp++].u = int_alloc(vm, 1);
vm->code[vm->cp++].u = OP(OP_SUB_INT, 4, 0, 3);
vm->code[vm->cp++].u = OP(OP_PUSH, 4, 0, 0);
vm->code[vm->cp++].u = OP(OP_CALL, 0, 0, 0); /* fib(n - 1) */
vm->code[vm->cp++].u = 9;
vm->code[vm->cp++].u = OP(OP_POP, 4, 0, 0);
vm->code[vm->cp++].u = OP(OP_POP, 5, 0, 0);
vm->code[vm->cp++].u = OP(OP_ADD_INT, 6, 5, 4);
vm->code[vm->cp++].u = OP(OP_PUSH, 6, 0, 0);
vm->code[vm->cp++].u = OP(OP_RETURN, 0, 0, 0);
vm->code[vm->cp++].u = OP(OP_PUSH, 0, 0, 0);
vm->code[vm->cp++].u = OP(OP_RETURN, 0, 0, 0);
return true;
}
bool test_window_click_compile(VM *vm) {
uint32_t screen_path_addr = str_alloc(vm, "/dev/screen/0", 14);
/*uint32_t mouse_path_addr = str_alloc(vm, "/dev/mouse/0", 12);*/
/* Open screen device: R0=path, R1=mode */
vm->code[vm->cp++].u = OP(OP_LOAD, 0, 0, 0); /* R0 = screen path */
vm->code[vm->cp++].u = nat_alloc(vm, screen_path_addr);
vm->code[vm->cp++].u = OP(OP_LOAD, 1, 0, 0); /* R1 = mode (0) */
vm->code[vm->cp++].u = int_alloc(vm, 0);
vm->code[vm->cp++].u = OP(OP_SYSCALL, SYSCALL_DEVICE_OPEN, 0, 2); /* syscall_id, first_reg=0, arg_count=2 */
/* Check if open succeeded (result in vm->acc) */
vm->code[vm->cp++].u = OP(OP_GET_ACC, 2, 0, 0); /* Move result to R2 */
/* Create simple test pixel data */
uint32_t test_pixel_addr = vm->mp;
vm->memory[vm->mp].c[0] = (char)((255 / 32) << 5) | ((0 / 32) << 2) | (0 / 64);
vm->memory[vm->mp].c[1] = (char)((255 / 32) << 5) | ((0 / 32) << 2) | (0 / 64);
vm->memory[vm->mp].c[2] = (char)((255 / 32) << 5) | ((0 / 32) << 2) | (0 / 64);
vm->memory[vm->mp++].c[3] = (char)((255 / 32) << 5) | ((0 / 32) << 2) | (0 / 64);
vm->frames[vm->fp].allocated.end++;
/* Main loop to check for mouse input */
uint32_t loop_start = vm->cp;
/* Write to screen: R0=path, R1=buffer, R2=size */
vm->code[vm->cp++].u = OP(OP_LOAD, 0, 0, 0);
vm->code[vm->cp++].u = nat_alloc(vm, screen_path_addr);
vm->code[vm->cp++].u = OP(OP_LOAD, 1, 0, 0);
vm->code[vm->cp++].u = nat_alloc(vm, test_pixel_addr);
vm->code[vm->cp++].u = OP(OP_LOAD, 2, 0, 0);
vm->code[vm->cp++].u = int_alloc(vm, 1);
vm->code[vm->cp++].u = OP(OP_SYSCALL, SYSCALL_DEVICE_WRITE, 0, 3); /* syscall_id, first_reg=0, arg_count=3 */
vm->code[vm->cp++].u = OP(OP_LOAD, 3, 0, 0);
vm->code[vm->cp++].u = nat_alloc(vm, loop_start);
vm->code[vm->cp++].u = OP(OP_JMP, 3, 0, 0); /* Infinite loop for testing */
vm->code[vm->cp++].u = OP(OP_HALT, 0, 0, 0);
return true;
}
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