A-Plus-Plus/code_gen.C at main · kill3rc/A-Plus-Plus · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
enum opcodes{
    ADD_OPERATION,
    SUBTRACT_OPERATION,
    MOVE_OPERATION,
    DIVIDE_OPERATION,
    MULTIPLY_OPERATION,
    XOR_OPERATION,
    OR_OPERAION,
    JUMP_OPERATION,
};

int saved_opcode, opcode_index = 0;
const char* opcodes[10] = {};

void convert_opcode(){
    switch(saved_opcode){
        case ADD_OPERATION:
           opcodes[opcode_index] = "add";
           printf("+: %s\n", opcodes[opcode_index]);
           opcode_index += 1;
           break;

        case SUBTRACT_OPERATION:
           opcodes[opcode_index] = "sub";
           printf("-: %s\n", opcodes[opcode_index]);
           opcode_index += 1;
           break;

        case MOVE_OPERATION:
           opcodes[opcode_index] = "mov";
           printf("MOVE: %s\n", opcodes[opcode_index]);
           opcode_index += 1;
           break;

        case DIVIDE_OPERATION:
           opcodes[opcode_index] = "div";
           printf("/: %s\n", opcodes[opcode_index]);
           opcode_index += 1;
           break;

        case MULTIPLY_OPERATION:
           opcodes[opcode_index] = "mul";
           printf("*: %s\n", opcodes[opcode_index]);
           opcode_index += 1;
           break;
        case XOR_OPERATION:
          opcodes[opcode_index] = "xor";
          opcode_index += 1;
          break;
        case OR_OPERATION:
           opcodes[operand_index] = "or";
           opcode_index += 1;
           break;
        case JUMP_OPERATION:
           opcodes[operand_index] = "jmp";
           opcode_index += 1;
           break;
    }
}

void get_opcode(const char* opcode){
    if(strcmp(opcode, "+") == 0){
        saved_opcode = ADD_OPERATION;
    }else if(strcmp(opcode, "-") == 0){
        saved_opcode = SUBTRACT_OPERATION;
    }else if(strcmp(opcode, "move") == 0){
        saved_opcode = MOVE_OPERATION;
    }else if(strcmp(opcode, "/") == 0){
        saved_opcode = DIVIDE_OPERATION;
    }else if(strcmp(opcode, "*") == 0){
        saved_opcode = MULTIPLY_OPERATION;
    }else if(strcmp(opcode, "^") == 0){
         saved_opcode = XOR_OPERATION;
    }else if(strcmp(opcode, "||") == 0){
         saved_opcode = OR_OPERATION;
    }else if(strcmp(opcode, "JUMP") == 0){
         saved_opcode = JUMP_OPERATION;
    }
    convert_opcode();
}