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Tinkering with the repl

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This commit is contained in:
Kayne Ruse
2022-08-08 09:39:40 +01:00
parent 6f4bfc0e10
commit cf8b3975c0
6 changed files with 164 additions and 53 deletions
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65
source/debug.c
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@@ -8,55 +8,55 @@
#include <stdio.h>
//utils
static unsigned char printByte(const char* tb, int* count) {
static unsigned char printByte(unsigned char* tb, int* count) {
unsigned char ret = *(unsigned char*)(tb + *count);
printf("%u ", ret);
*count += 1;
return ret;
}
static unsigned short printShort(const char* tb, int* count) {
static unsigned short printShort(unsigned char* tb, int* count) {
unsigned short ret = *(unsigned short*)(tb + *count);
printf("%d ", ret);
*count += 2;
return ret;
}
static int printInt(const char* tb, int* count) {
static int printInt(unsigned char* tb, int* count) {
int ret = *(int*)(tb + *count);
printf("%d ", ret);
*count += 4;
return ret;
}
static float printFloat(const char* tb, int* count) {
static float printFloat(unsigned char* tb, int* count) {
float ret = *(float*)(tb + *count);
printf("%f ", ret);
*count += 4;
return ret;
}
static const char* printString(const char* tb, int* count) {
const char* ret = tb + *count;
*count += printf("%s ", ret); //return includes the space, but not the null terminator
static unsigned char* printString(unsigned char* tb, int* count) {
unsigned char* ret = tb + *count;
*count += printf("%s ", (char*)ret); //return includes the space, but not the null terminator
return ret;
}
static void consumeByte(unsigned char byte, const char* str, int* count) {
static void consumeByte(unsigned char byte, unsigned char* str, int* count) {
if (byte != str[*count]) {
printf("Failed to consume the correct byte");
}
*count += 1;
}
static void consumeShort(unsigned short bytes, const char* str, int* count) {
static void consumeShort(unsigned short bytes, unsigned char* str, int* count) {
if (bytes != *(unsigned short*)(str + *count)) {
printf("Failed to consume the correct bytes");
}
*count += 2;
}
void dissectBytecode(const char* tb, int size) {
void dissectBytecode(unsigned char* tb, int size) {
int count = 0;
//header
@@ -101,7 +101,7 @@ void dissectBytecode(const char* tb, int size) {
break;
case LITERAL_STRING: {
const char* s = printString(tb, &count);
const unsigned char* s = printString(tb, &count);
printf("(string)");
}
break;
@@ -118,31 +118,60 @@ void dissectBytecode(const char* tb, int size) {
const unsigned char opcode = printByte(tb, &count);
switch (opcode) {
case OP_ASSERT:
printf("assert\n");
break;
case OP_PRINT:
printf("print\n");
break;
case OP_LITERAL: {
case OP_LITERAL:
printf("literal ");
printByte(tb, &count);
printf("\n");
}
break;
case OP_LITERAL_LONG: {
case OP_LITERAL_LONG:
printf("long literal ");
printShort(tb, &count);
printf("\n");
}
break;
case OP_NEGATE: {
case OP_NEGATE:
printf("negate\n");
}
break;
case OP_ADDITION:
printf("+\n");
break;
case OP_SUBTRACTION:
printf("-\n");
break;
case OP_MULTIPLICATION:
printf("*\n");
break;
case OP_DIVISION:
printf("/\n");
break;
case OP_MODULO:
printf("%%\n");
break;
case OP_GROUPING_BEGIN:
printf("(\n");
break;
case OP_GROUPING_END:
printf(")\n");
break;
case OP_SECTION_END: {
printf("--SECTION END--");
printf("--SECTION END--\n");
}
break;