From 843842ebf58f52f38ebdb6f735024f7bce309eb3 Mon Sep 17 00:00:00 2001
From: elioat <elioat@tilde.institute>
Date: Sun, 7 Jan 2024 13:09:14 -0500
Subject: I mean, it does not work...but perhaps that is fine

---
 js/scripting-lang/input.txt |  3 +++
 js/scripting-lang/lang.js   | 54 +++++++++++++++++++++++----------------------
 2 files changed, 31 insertions(+), 26 deletions(-)
 create mode 100644 js/scripting-lang/input.txt

(limited to 'js')

diff --git a/js/scripting-lang/input.txt b/js/scripting-lang/input.txt
new file mode 100644
index 0000000..d343086
--- /dev/null
+++ b/js/scripting-lang/input.txt
@@ -0,0 +1,3 @@
+x : 10;
+y : 20;
+x + y;
\ No newline at end of file
diff --git a/js/scripting-lang/lang.js b/js/scripting-lang/lang.js
index 11a7ee5..f91f842 100644
--- a/js/scripting-lang/lang.js
+++ b/js/scripting-lang/lang.js
@@ -11,6 +11,7 @@ const TokenType = {
     RIGHT_PAREN: 'RIGHT_PAREN',
     LEFT_BRACE: 'LEFT_BRACE',
     RIGHT_BRACE: 'RIGHT_BRACE',
+    SEMICOLON: 'SEMICOLON',
 };
 
 // Lexer
@@ -127,6 +128,12 @@ function lexer(input) {
             continue;
         }
 
+        if (char === ';') {
+            tokens.push({ type: TokenType.SEMICOLON });
+            current++;
+            continue;
+        }
+
         current++;
     }
 
@@ -223,6 +230,11 @@ function parser(tokens) {
             return node;
         }
 
+        if (token.type === TokenType.SEMICOLON) {
+            current++;
+            return;
+        }
+
         throw new TypeError(token.type);
     }
 
@@ -286,33 +298,23 @@ function interpreter(ast) {
 }
 
 // Usage
-const tokens = lexer('2 + 2');
-const ast = parser(tokens);
-const result = interpreter(ast);
-console.log(result); // 4
-
-/* 
-// Define a variable
-let a = 10;
+// const tokens = lexer('2 + 2');
+// const ast = parser(tokens);
+// const result = interpreter(ast);
+// console.log(result); // 4
 
-// Assign a new value to a variable
-a = 20;
-
-// Define a function
-function add(x, y) {
-  return x + y;
-}
+// const tokens2 = lexer('x : 2 + 2');
+// const ast2 = parser(tokens2);
+// const result2 = interpreter(ast2);
+// console.log(result2); 
 
-// Call a function
-let b = add(a, 5);
+const fs = require('fs');
 
-// If statement
-if (b == 25) {
-  b = b + 5;
-} else {
-  b = b - 5;
-}
+// Read the input from a file
+const input = fs.readFileSync('input.txt', 'utf-8');
 
-// Print the result
-console.log(b);
-*/
\ No newline at end of file
+// Usage
+const tokens = lexer(input);
+const ast = parser(tokens);
+const result = interpreter(ast);
+console.log(result);
\ No newline at end of file
-- 
cgit 1.4.1-2-gfad0