Added the keywards and types t#01

lexicalStructure.lex

@@ -2,11 +2,40 @@
 /*                                    so we placed the citation here. */
 /* definitions */
 %option noyywrap
- %{ 
- #include <typedefs.h> 
- %} 
+%{
+#include "typedefs.h"
+%}
+
 
 %%
-//rules
+
+.|\n
+"integer"       {printf("T_INTEGER      %s, Token %d\n",yytext, T_INTEGER);}      //{return T_INTEGER}
+"address"       {printf("T_ADDRESS      %s, Token %d\n",yytext, T_ADDRESS);}      //{return T_ADDRESS}
+"Boolean"       {printf("T_BOOLEAN      %s, Token %d\n",yytext, T_BOOLEAN);}      //{return T_BOOLEAN}
+"character"     {printf("T_CHARACTER    %s, Token %d\n",yytext, T_CHARACTER);}    //{return T_CHARACTER}
+"string"        {printf("T_STRING       %s, Token %d\n",yytext, T_STRING);}       //{return T_STRING}
+
+        /* KEYWARDS */
+
+
+"while"       {printf("WHILE      %s, Token %d\n",yytext, WHILE);}      //{return WHILE}
+"if"       {printf("IF      %s, Token %d\n",yytext, IF);}      //{return IF}
+"then"       {printf("THEN      %s, Token %d\n",yytext, THEN);}      //{return THEN}
+"else"       {printf("ELSE      %s, Token %d\n",yytext, ELSE);}      //{return ELSE}
+"type"       {printf("TYPE      %s, Token %d\n",yytext, TYPE);}      //{return TYPE}
+"function"       {printf("FUNCTION      %s, Token %d\n",yytext, FUNCTION);}      //{return FUNCTION}
+"return"       {printf("RETURN      %s, Token %d\n",yytext, RETURN);}      //{return RETURN}
+"external"       {printf("EXTERNAL      %s, Token %d\n",yytext, EXTERNAL);}      //{return EXTERNAL}
+"as"       {printf("AS      %s, Token %d\n",yytext, AS);}      //{return AS}
+
+
 %%
-//user code
+int main(int argc, char *argv[]){
+        argc--, argv++;
+        if ( argc > 0 )
+                yyin = fopen( argv[0], "r" );
+        else
+                yyin = stdin;
+        yylex();
+}

tests/test_keywards.alpha

@@ -0,0 +1,29 @@
+while
+While
+whiLe
+if
+IF
+If
+iF
+then
+Then
+theN
+else
+eLse
+elSe
+Else
+type
+Type
+tyPe
+function
+Function
+functioN
+return
+Return
+returN
+external
+External
+exteRnal
+as
+As
+aS

tests/test_types.alpha

@@ -0,0 +1,10 @@
+integer
+Integer
+address
+Address
+Boolean
+boolean
+character
+Character
+string
+String