updated lex file to have working code for all except for chars and strings. Also added the test files for just Int Testing and for testing for all literals (that is still failing for char and strings)

lexicalStructure.lex

@@ -3,21 +3,35 @@
 	/* definitions */
 %option noyywrap
 %{ 
- #include <typedefs.h> 
+#include "typedefs.h" 
 %}
 
+DIGIT [0-9]
 %%
 	/* rules */
-[0-9]+ {printf( "C_INTEGER: %s (%d)\n", yytext, atoi( yytext ) );}
+{DIGIT}+ {printf( "C_INTEGER: %s (%d)\n", yytext, atoi( yytext ) );}
 
 "null" {printf( "C_NULL: %s (%d)\n", yytext, atoi( yytext ) );}
 
-['][.]['] | [']\\[nt'\\]['] {printf( "C_CHARACTER: %s (%d)\n", yytext, atoi( yytext ) );} /*using double \ per documentation to show escaped chars*/
+"'"[.|\n]"'" {printf( "C_CHARACTER: %s (%d)\n", yytext, atoi( yytext ) );} /*using double \ per documentation to show escaped chars*/
 
 "true" {printf( "C_TRUE: %s (%d)\n", yytext, atoi( yytext ) );}
 
 "false" {printf( "C_FALSE: %s (%d)\n", yytext, atoi( yytext ) );}
 
-["][.]+["] {printf( "C_STRING: %s (%d)\n", yytext, atoi( yytext ) );}
+"\""[\^{}}\n]*"\"" {printf( "C_STRING: %s (%d)\n", yytext, atoi( yytext ) );}
+
+.|\n  
+
 %%
 	/* user code */
+
+int main( int argc, char **argv )
+{
+	argc--, argv++; /* skip over program name */
+	if ( argc > 0 )
+		yyin = fopen( argv[0], "r" );
+	else
+		yyin = stdin;
+	yylex();
+}

simpleIntTest.txt

@@ -0,0 +1,4 @@
+45
+123
+8392
+

simpleLiteralTest.a

@@ -0,0 +1,11 @@
+"this is a string" 721398 'g' '/n' 
+12893 "this is not a string
+"
+false
+nullfalse
+"nulltrue
+null
+'7'
+true
+'189
+