Got the compiler partially working

This commit is contained in:
2022-08-05 16:29:12 +01:00
parent 1ff32fe101
commit cd05d5d84a
17 changed files with 601 additions and 26 deletions

View File

@@ -1,6 +1,9 @@
#include "debug.h"
#include "keyword_types.h"
#include "lexer.h"
#include "parser.h"
#include "compiler.h"
#include <stdio.h>
#include <stdlib.h>
@@ -77,4 +80,151 @@ void copyrightCommand(int argc, const char* argv[]) {
printf("1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.\n\n");
printf("2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.\n\n");
printf("3. This notice may not be removed or altered from any source distribution.\n\n");
}
//utils
static unsigned char printByte(const 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) {
unsigned short ret = *(unsigned short*)(tb + *count);
printf("%d ", ret);
*count += 2;
return ret;
}
static int printInt(const char* tb, int* count) {
int ret = *(int*)(tb + *count);
printf("%d ", ret);
*count += 4;
return ret;
}
static float printFloat(const 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
return ret;
}
static void consumeByte(unsigned char byte, const 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) {
if (bytes != *(unsigned short*)(str + *count)) {
printf("Failed to consume the correct byte");
}
*count += 2;
}
void dissectBytecode(const char* tb, int size) {
int count = 0;
//header
printf("--header--\n");
printByte(tb, &count);
printByte(tb, &count);
printByte(tb, &count);
printString(tb, &count);
consumeByte(OP_SECTION_END, tb, &count);
printf("\n");
//data
printf("--data--\n");
const short literalCount = printShort(tb, &count);
for (int i = 0; i < literalCount; i++) {
const unsigned char literalType = printByte(tb, &count);
switch(literalType) {
case LITERAL_NULL:
//NO-OP
printf("(null)");
break;
case LITERAL_BOOLEAN: {
const bool b = printByte(tb, &count);
printf("(boolean %s)", b ? "true" : "false");
}
break;
case LITERAL_INTEGER: {
const int d = printInt(tb, &count);
printf("(integer %d)", d);
}
break;
case LITERAL_FLOAT: {
const float f = printFloat(tb, &count);
printf("(float %f)", f);
}
break;
case LITERAL_STRING: {
const s = printString(tb, &count);
printf("(string)");
}
break;
}
printf("\n");
}
consumeByte(OP_SECTION_END, tb, &count);
//code
printf("--bytecode--\n");
while(tb[count] != OP_EOF) {
const opcode = printByte(tb, &count);
switch (opcode) {
case OP_PRINT:
printf("print:\n");
break;
case OP_LITERAL: {
printf("literal ");
printByte(tb, &count);
printf("\n");
}
break;
case OP_LITERAL_LONG: {
printf("long literal ");
printByte(tb, &count);
printf("\n");
}
break;
case OP_NEGATE: {
printf("negate\n");
}
break;
case OP_SECTION_END: {
printf("--SECTION END--");
}
break;
default:
printf("Unknown opcode found\n");
}
}
consumeByte(OP_EOF, tb, &count);
}