VMBL/src/asm/instructions.h

#ifndef INSTRUCTIONS_H
#define INSTRUCTIONS_H

#include "../vmbl.h"

#define MAX_ARGS 3

typedef enum
{
	ARG_TYPE_NONE,
	ARG_TYPE_INT
} ArgType;

typedef struct
{
	char *mnemonic;
	uint8_t argCount;
	ArgType args[MAX_ARGS];
} InstructionInfo;

static const InstructionInfo instruction_table[] = {
    [INSTRUCTION_NOP]  = { "nop",  0, { ARG_TYPE_NONE } },
    [INSTRUCTION_PUSH]  = { "push",  1, { ARG_TYPE_INT } },
    [INSTRUCTION_DROP]  = { "drop",  1, { ARG_TYPE_INT } },
    [INSTRUCTION_ADD]  = { "add",  0, { ARG_TYPE_NONE } },
    [INSTRUCTION_SUB]  = { "sub",  0, { ARG_TYPE_NONE } },
    [INSTRUCTION_MUL]  = { "mul",  0, { ARG_TYPE_NONE } },
    [INSTRUCTION_DIV]  = { "div",  0, { ARG_TYPE_NONE } },
    [INSTRUCTION_DUPLICATE]  = { "dup",  1, { ARG_TYPE_INT } },
    [INSTRUCTION_HALT]  = { "halt",  0, { ARG_TYPE_NONE } },
};

InstructionType instructionNameToType(char* instName);

#endif // !INSTRUCTIONS_H