interpreter removed only compile is supported

1 files changed, 12 insertions, 81 deletions

diff --git a/src/main.go b/src/main.go
index 6568142..1773c2a 100644
--- a/src/main.go
+++ b/src/main.go
@@ -2,11 +2,12 @@ package main
 
 import (
 	"fmt"
-	"strconv"
 	"regexp"
 	"os"
 )
 
+var print = fmt.Println
+
 func readfile(path string) []string {
 
 	var raw []string;
@@ -29,93 +30,23 @@ func readfile(path string) []string {
 	return raw;
 }
 
-func interpret(raw[]string) {
-	var err error;
-	var number int;
-	var stack[]int;
-	var skip_to_end bool;
-
-	for i := 0; i < len(raw); i++ {
-		length := len(stack);
-		/* Conditional looping */
-		if (skip_to_end && raw[i] != "end") {
-			continue;
-		}
-		number, err = strconv.Atoi(raw[i]);
-		if err == nil {
-			stack = append(stack, number);
-			continue;
-		}
-
-		switch raw[i] {
-		case "+":
-			if length < 2 {
-				panic("failed to plus: stack underflow");
-			}
-			stack[length - 2] = stack[length - 1] + stack[length - 2]
-			stack = stack[:length - 1];
-		case "-":
-			if length < 2 {
-				panic("failed to minus: stack underflow");
-			}
-			stack[length - 2] = stack[length - 1] - stack[length - 2]
-			stack = stack[:length - 1];
-		case "=":
-			if length < 2 {
-				panic("failed to check equality: stack underflow");
-			}
-			if (stack[length - 1] == stack[length - 2]) {
-				stack = append(stack, -1);
-			} else {
-				stack = append(stack, 0);
-			}
-
-		case ".":
-			if length < 1 {
-				panic("failed to dump: stack underflow");
-			}
-			fmt.Println(stack[length - 1]);
-			stack = stack[:length - 1];
-		case "if":
-			if length < 1 {
-				panic("failed to if: stack underflow");
-			}
-			if (stack[length - 1] == 0) {
-				skip_to_end = true;
-			}
-			stack = stack[:length - 1];
-		case "end":
-			skip_to_end = false;
-
-		default:
-			panic("invalid word");
-		}
-	}
+func compile(raw[]string) {
+	print("section .text")
+	print("global _start")
+	print("_start:")
+	print("mov rdi, 0")
+	print("mov rax, 60")
+	print("syscall")
 }
 
 func main() {
-	var file string;
 	argv := os.Args;
 	argc := len(argv);
-	compile_flg := false;
 
-	switch argc {
-	case 3:
-		if argv[1] != "-S" {
-			panic("Invalid usage");
-		}
-		compile_flg = true;
-		fallthrough;
-	case 2:
-		file = argv[argc - 1];
-	default:
+	if (argc != 2) {
 		panic("Invaid usage");
 	}
 
-	output := readfile(file);
-	if (compile_flg) {
-		panic("Not Implemented");
-	} else {
-		interpret(output);
-	}
+	raw := readfile(argv[argc - 1])
+	compile(raw);
 }