From 0138cbec17a19c66032879933491d3b0c890609e Mon Sep 17 00:00:00 2001
From: Rhythm <rhythmwalia29@gmail.com>
Date: Thu, 7 Apr 2016 18:53:00 +0530
Subject: [PATCH 1/2] added alphanumeric and underscore support for type name

---
 super-tiny-compiler.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/super-tiny-compiler.js b/super-tiny-compiler.js
index e4e214d..ea9c051 100644
--- a/super-tiny-compiler.js
+++ b/super-tiny-compiler.js
@@ -446,7 +446,7 @@ function tokenizer(input) {
     //    ^^^
     //    Name token
     //
-    var LETTERS = /[a-z]/i;
+    var LETTERS = /[a-zA-Z_0-9]/;
     if (LETTERS.test(char)) {
       var value = '';
 
@@ -934,4 +934,4 @@ module.exports = {
   transformer: transformer,
   codeGenerator: codeGenerator,
   compiler: compiler
-};
+};
\ No newline at end of file

From 47bd1ce4b8212c0836b79c7ba9d5a42c140029e8 Mon Sep 17 00:00:00 2001
From: Rhythm <rhythmwalia29@gmail.com>
Date: Fri, 8 Apr 2016 11:26:29 +0530
Subject: [PATCH 2/2] Added support for alphanumeric and underscore for type
 name

---
 super-tiny-compiler.js | 10 ++++++----
 test.js                |  6 ++++++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/super-tiny-compiler.js b/super-tiny-compiler.js
index ea9c051..95482bd 100644
--- a/super-tiny-compiler.js
+++ b/super-tiny-compiler.js
@@ -446,13 +446,15 @@ function tokenizer(input) {
     //    ^^^
     //    Name token
     //
-    var LETTERS = /[a-zA-Z_0-9]/;
-    if (LETTERS.test(char)) {
+    var validIdentifierStart = /[a-zA-Z_]/;
+    var validIdentifierChar = /[a-zA-Z_0-9]/;
+    if (validIdentifierStart.test(char)) {
+    	
       var value = '';
 
       // Again we're just going to loop through all the letters pushing them to
       // a value.
-      while (LETTERS.test(char)) {
+      while (validIdentifierChar.test(char)) {
         value += char;
         char = input[++current];
       }
@@ -465,7 +467,7 @@ function tokenizer(input) {
 
       continue;
     }
-
+    
     // Finally if we have not matched a character by now, we're going to throw
     // an error and completely exit.
     throw new TypeError('I dont know what this character is: ' + char);
diff --git a/test.js b/test.js
index ef351a8..afc794d 100644
--- a/test.js
+++ b/test.js
@@ -81,4 +81,10 @@ assert.deepStrictEqual(transformer(ast), newAst, 'Transformer should turn `ast`
 assert.deepStrictEqual(codeGenerator(newAst), output, 'Code Generator should turn `newAst` into `output` string');
 assert.deepStrictEqual(compiler(input), output, 'Compiler should turn `input` into `output`');
 
+//Identifier Test
+input = '(_add 2 (subtract 4 2))';
+output = '_add(2, subtract(4, 2));';
+assert.deepStrictEqual(compiler(input), output, 'Compiler should turn `input` into `output`');
 console.log('All Passed!');
+
+