🌐 info about For loop

Author: igorkulman

PascalInterpreter/PascalInterpreter/Parser/Parser.swift

@@ -323,6 +323,11 @@ public class Parser {
         return RepeatUntil(statement: statements.count == 1 ? statements[0] : Compound(children: statements), condition: condition)
     }
 
+    /**
+     Rule:
+     
+     for_loop : FOR variable ASSIGN expression TO expression DO statement
+     */
     private func forLoop() -> For {
         eat(.for)
         let variable = self.variable()

grammar.md

@@ -27,6 +27,7 @@ statement : compound_statement
           | if_else_statement
           | assignment_statement
           | repeat_until
+          | for_loop
           | empty
 
 function_call : id LPAREN (factor (factor COLON)* )* RPAREN  (COLON type_spec){0,1}       
@@ -39,6 +40,8 @@ condition : expr (= | < | >) expr
 
 repeat_until : REPEAT statement UNTIL condition          
 
+for_loop : FOR variable ASSIGN expression TO expression DO statement
+
 assignment_statement : variable ASSIGN expr
 
 empty :