If-else syntax added

Author: Sas2k

NumberScript/__main__.py

@@ -22,29 +22,6 @@
 4 <- Compare
 % <- comment
 ^ <- Math-Operation-Start
-example:
-    %comment
-    0 3a5 2a
-
-    output:
-        5
-
-example 2:
-    %Math-Operation-Start
-    0 ^1+1 1
-
-    output:
-        2
-
-example 3:
-    %If-Else
-    0
-    3a:1
-    4a=1
-    1
-
-    Output:
-        True
 """
 
 space = ""
@@ -57,6 +34,7 @@
 if args.file:
     with open(args.file, "r") as file:
         code = file.read()
+        code = code.replace("\n", " ")
         Interpreter.interpret(code)
 else:
     print(f"""
@@ -74,4 +52,4 @@
         elif code == "help":
             print(help)
         else:
-            Interpreter.interpret(code)
+            Interpreter.interpret(Interpreter, code)

NumberScript/interpreter.py

@@ -1,14 +1,43 @@
+def Checker(re_code: str, variables: dict) -> bool:
+    if "=" in re_code:
+        code = re_code.split("=")
+        if code[0] in variables:
+            code[0] = variables[code[0]]
+        if code [1] in  variables:
+            code[1] = variables[code[1]]
+        return code[0] == code[1]
+
+    elif "!" in re_code:
+        code = re_code.split("!")
+        if code[0] in variables:
+            code[0] = variables[code[0]]
+        if code [1] in  variables:
+            code[1] = variables[code[1]]
+        return code[0] != code[1]
+
+    elif "<" in re_code:
+        code = re_code.split("<")
+        if code[0] in variables:
+            code[0] = variables[code[0]]
+        if code [1] in  variables:
+            code[1] = variables[code[1]]
+        return code[0] < code[1]
+
+    elif ">" in re_code:
+        code = re_code.split(">")
+        if code[0] in variables:
+            code[0] = variables[code[0]]
+        if code [1] in  variables:
+            code[1] = variables[code[1]]
+        return code[0] > code[1]
+
+
 class Interpreter():
     def __init__(self):
         pass
 
-    def interpret(code: str) -> str:
+    def interpret(self, code: str) -> str:
         code = code.split(" ")
-        if "\n" in code:
-            codes = ""
-            for i in range(len(code)):
-                codes += code[i]
-            code = codes.split("\n")
 
         variables = {}
         for j in range(0, len(code)):
@@ -100,61 +129,15 @@ def interpret(code: str) -> str:
 
             if code[j].startswith("4"):
                 re_code = code[j].replace("4", "", 1)
-                if "=" in re_code[0]:
-                    req_code = re_code[0].split("=")
-                    if req_code[0] in variables.keys():
-                        val1 = variables[req_code[0]]
-                    else:
-                        val1 = req_code[0]
-
-                    if req_code[1] in variables.keys():
-                        val2 = variables[req_code[1]]
-                    else:
-                        val2 = req_code[1]
-
-                    return val1 == val2
-
-                elif "!" in re_code[0]:
-                    req_code = re_code[0].split("!")
-                    if req_code[0] in variables.keys():
-                        val1 = variables[req_code[0]]
-                    else:
-                        val1 = req_code[0]
-                    
-                    if req_code[1] in variables.keys():
-                        val2 = variables[req_code[1]]
-                    else:
-                        val2 = req_code[1]
-                    
-                    return val1!=val2
-
-                elif ">" in re_code[0]:
-                    req_code = re_code[0].split(">")
-                    if req_code[0] in variables.keys():
-                        val1 = int(variables[req_code[0]])
-                    else:
-                        val1 = int(req_code[0])
-
-                    if req_code[1] in variables.keys():
-                        val2 = int(variables[req_code[1]])
-                    else:
-                        val2 = int(req_code[1])
-                    
-                    return val1 > val2
-
-                elif "<" in re_code[0]:
-                    req_code = re_code[0].split("<")
-                    if req_code[0] in variables.keys():
-                        val1 = int(variables[req_code[0]])
-                    else:
-                        val1 = int(req_code[0])
-
-                    if req_code[1] in variables.keys():
-                        val2 = int(variables[req_code[1]])
-                    else:
-                        val2 = int(req_code[1])
-                    
-                    return val1 < val2
+                print(Checker(re_code, variables))
+            
+            if code[j].startswith("?"):
+                re_code = code[j].replace("?", "", 1)
+                statements = re_code.split(":")
+                if Checker(statements[0], variables):
+                    self.interpret(Interpreter, statements[1])
+                else:
+                    self.interpret(Interpreter, statements[2])
 
             if code[j] in variables.keys():
                 print(variables[code[j]])

examples/example.ns

@@ -1,4 +1,4 @@
-0 %Starts %The %Program
-3a:Hello %Sets %The %Variable %a %to %Hello
-2a %Displays %a
-1 %Ends %The %program
+0
+3a:Hello
+2a
+1

grammar.txt

@@ -5,6 +5,7 @@
 4 <- Compare
 % <- comment
 ^ <- Math-Operation-Start
+? : <- If Else
 example:
     %comment
     0 3a5 2a
@@ -27,3 +28,9 @@ example 3:
 
     Output:
         True
+
+example 4:
+    0
+    3a:1
+    3b:1
+    ?a=b(2hello):2bye