Reworked the tokens to include a broad class to make parameter matching a bit easier, and removed the hexadecimal distinction.

This commit is contained in:
2022-05-12 20:26:14 +00:00
parent 72abf6c4ab
commit 72525959f6
6 changed files with 94 additions and 34 deletions
+17 -9
View File
@@ -2,15 +2,15 @@
#include <stdlib.h>
#include <string.h>
OpCode opcodes[OPCODECOUNT] = {
{ "copy", COPY, Reg, Reg | Imm8 | Imm16 },
{ "add", ADD, Reg, Reg | Imm8 | Imm16 },
{ "sub", SUB, Reg, Reg | Imm8 | Imm16 },
{ "jz", JZ, Imm8 | Imm16, None },
{ "int", INT, Imm8, None },
Instruction instructions[OPCODECOUNT] = {
{ "copy", COPY, Reg, Reg | Immediate16 },
{ "add", ADD, Reg, Reg | Immediate16 },
{ "sub", SUB, Reg, Reg | Immediate16 },
{ "jz", JZ, Immediate16, None },
{ "int", INT, Immediate16, None },
{ "yld", YLD, None, None },
{ "ret", RET, None, None },
{ "cmp", CMP, Reg | Imm8 | Imm16, Reg | Imm8 | Imm16 },
{ "cmp", CMP, Reg | Immediate16, Reg | Immediate16 },
{ "in", IN, None, None},
{ "out", OUT, None, None}
};
@@ -26,12 +26,20 @@ Register registers[REGISTERCOUNT] = {
{ "r8", R8 }
};
const Instruction* GetOpcodeDetails(TokenType type) {
for(int i = 0; i < OPCODECOUNT; i++) {
if (instructions[i].op == type) return &instructions[i];
}
return NULL;
}
int IsOpcode(const char* text, TokenType* opcode) {
if (!text) return 0;
for(int i = 0; i < OPCODECOUNT; i++) {
if (strcmp(opcodes[i].lexeme, text) == 0) {
if (opcode) *opcode = opcodes[i].op;
if (strcmp(instructions[i].lexeme, text) == 0) {
if (opcode) *opcode = instructions[i].op;
return 1;
}
}