Part 11

README.md

@@ -10,3 +10,4 @@ Source code for the series **Let's Build A Simple Interpreter**
 + [Let's Build A Simple Interpreter. Part 8.](http://ruslanspivak.com/lsbasi-part8/)
 + [Let's Build A Simple Interpreter. Part 9.](http://ruslanspivak.com/lsbasi-part9/)
 + [Let's Build A Simple Interpreter. Part 10.](http://ruslanspivak.com/lsbasi-part10/)
++ [Let's Build A Simple Interpreter. Part 11.](http://ruslanspivak.com/lsbasi-part11/)

part11/python/nameerror1.pas

@@ -0,0 +1,7 @@
+PROGRAM NameError1;
+VAR
+   a : INTEGER;
+
+BEGIN
+   a := 2 + b;
+END.

part11/python/nameerror2.pas

@@ -0,0 +1,8 @@
+PROGRAM NameError2;
+VAR
+   b : INTEGER;
+
+BEGIN
+   b := 1;
+   a := b + 2;
+END.

part11/python/part11.pas

@@ -0,0 +1,12 @@
+PROGRAM Part11;
+VAR
+   number : INTEGER;
+   a, b   : INTEGER;
+   y      : REAL;
+
+BEGIN {Part11}
+   number := 2;
+   a := number ;
+   b := 10 * a + 10 * number DIV 4;
+   y := 20 / 7 + 3.14
+END.  {Part11}