Add files via upload

Author: Rashed112

R Language/input.txt

@@ -61,6 +61,7 @@ root:
     5>2;
     2<5;
     5==5;
+    2!=5;
 
 
     #///////////////// Loops \\\\\\\\\\\\\\\\\\

R Language/lex.yy.c

@@ -286,7 +286,7 @@ static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
 #define YY_END_OF_BUFFER 34
 static yyconst short int yy_accept[118] =
     {   0,
-       29,   29,   34,   32,   30,   29,   31,   26,    6,    4,
+       29,   29,   34,   32,   30,   29,   31,    6,   26,    4,
         5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
         5,    5,    5,    5,    5,    5,    5,   12,   13,   30,
        29,   31,   26,    4,    0,    0,    0,    0,    0,    0,
@@ -306,13 +306,13 @@ static yyconst int yy_ec[256] =
         1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    4,    1,    1,    5,    1,    6,    1,    1,    6,
-        6,    6,    6,    6,    6,    1,    6,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    6,    6,    6,
-        6,    6,    1,    1,    8,    9,   10,   11,   12,   13,
+        1,    4,    5,    1,    6,    1,    5,    1,    1,    5,
+        5,    5,    5,    5,    5,    1,    5,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    5,    5,    5,
+        5,    5,    1,    1,    8,    9,   10,   11,   12,   13,
        14,   15,   16,   14,   17,   18,   19,   20,   21,   22,
        14,   23,   24,   25,   26,   14,   27,   14,   28,   14,
-        1,    1,    1,    6,    1,    1,   29,   14,   30,   14,
+        1,    1,    1,    5,    1,    1,   29,   14,   30,   14,
 
        14,   31,   14,   32,   33,   14,   14,   34,   35,   36,
        37,   38,   14,   39,   14,   40,   14,   14,   14,   14,
@@ -344,7 +344,7 @@ static yyconst int yy_meta[43] =
 
 static yyconst short int yy_base[120] =
     {   0,
-        0,    0,  134,  135,  131,  129,  127,    0,  135,  123,
+        0,    0,  134,  135,  131,  129,  127,  135,    0,  123,
       106,  105,   35,  115,  108,   36,  135,   34,  113,   32,
       116,  108,   90,   87,   10,   81,   82,  135,  135,  116,
       114,  112,    0,  108,   91,  101,   88,   87,   97,   85,
@@ -361,7 +361,7 @@ static yyconst short int yy_base[120] =
 
 static yyconst short int yy_def[120] =
     {   0,
-      117,    1,  117,  117,  117,  117,  117,  118,  117,  117,
+      117,    1,  117,  117,  117,  117,  117,  117,  118,  117,
       117,  117,  117,  117,  117,  117,  117,  117,  117,  117,
       117,  117,  117,  117,  117,  117,  117,  117,  117,  117,
       117,  117,  118,  117,  117,  117,  117,  117,  117,  117,

R Language/main.l

@@ -27,7 +27,7 @@ header  "import ".*
         yylval = *yytext - 'a';
         return VAR;
         }
-[-+/*<>=,():;%^]    {
+[-+/*<>=,():;%^!]    {
                     yylval = yytext[0];	
                     return  *yytext;	
                     }

R Language/main.tab.c

@@ -199,10 +199,14 @@ expression: NUM				{ printf("\nNumber :  %d\n",$1 ); $$ = $1;  }
 
 	| expression '>' expression	{printf("\nGreater-Than functionality :%d > %d \n ",$1,$3,$1 > $3); $$ = $1 > $3; }
         | expression '=''=' expression  {
-                                        if($1> $4){}
-                                        else if ($1<$4) {}
-                                        else{
-                                                printf("\nEqual functionality: %d == %d\n",$1,$4);}                                        
+                                        
+                                        printf("\nEqual functionality: %d == %d\n",$1,$4);
+                                        $$ = $1 == $4;                                        
+                                }
+        | expression '!''=' expression  {
+                                        
+                                        printf("\nInequal functionality: %d == %d\n",$1,$4);
+                                        $$ = $1 != $4;                                        
                                 }
 
 	| '(' expression ')'		{$$ = $2; }

R Language/main.y

@@ -98,7 +98,14 @@ Number :  5
 Number :  5
 
 Equal functionality: 5 == 5
-value of expression: 5
+value of expression: 1
+
+Number :  2
+
+Number :  5
+
+Inequal functionality: 2 == 5
+value of expression: 1
 #///////////////// Loops \\\\\\\\\\\\\\\\\\
 
 Adding Two Numbers : 6+2 = 8