for added

analyzers/c_analyzer/c_analyzer.l

@@ -9,6 +9,8 @@ void yyerror(const char *s) {
             line_number, 
             s, 
             yytext);
+
+    exit(-1);
 }
 
 %}
@@ -37,6 +39,7 @@ void yyerror(const char *s) {
 
 "while"  { return WHILE; }
 "do"     { return DO; }
+"for"    { return FOR; }
 
 "if"     { return IF; }
 "else"   { return ELSE; }

analyzers/c_analyzer/c_analyzer.y

@@ -16,7 +16,7 @@ bool debug = false; // debug mode
 }
 
 %token <str> IDENTIFIER NUMBER
-%token LBRACE RBRACE LPAREN RPAREN SEMICOLON ASSIGN PLUS MINUS MULT DIV MOD RET PRINT WHILE DO IF ELSE AND OR NOT LT GT EQ
+%token LBRACE RBRACE LPAREN RPAREN SEMICOLON ASSIGN PLUS MINUS MULT DIV MOD RET PRINT WHILE DO FOR IF ELSE AND OR NOT LT GT EQ
 %token FUNC COMMA
 
 %type <str> expr program statement block func_decl param_list params
@@ -55,6 +55,17 @@ statement:
       LPAREN expr RPAREN SEMICOLON
       { if (debug) printf("\033[1;34mDO-WHILE LOOP ENDED\033[0m\n"); }
 
+    | FOR { if (debug) printf("\033[1;34mFOR LOOP DETECTED\033[0m\n"); }
+      LPAREN 
+        expr SEMICOLON { if (debug) printf("\033[1;34mFOR INITIALIZE ENDED\033[0m\n"); }
+        expr SEMICOLON { if (debug) printf("\033[1;34mFOR CONDITION ENDED\033[0m\n"); }
+        expr 
+      RPAREN 
+      { if (debug) printf("\033[1;34mFOR BODY STARTS\033[0m\n"); }
+      block
+      { if (debug) printf("\033[1;34mFOR LOOP ENDED\033[0m\n"); }
+    ;
+
     | IF LPAREN expr RPAREN block 
       { if (debug) printf("\033[1;34mIF BLOCK ENDED\033[0m\n"); }
     | IF LPAREN expr RPAREN block 

code.txt

@@ -1,5 +1,9 @@
 func FUNC_1(a, b, c) {
 
+    for (i = 1; i < 3; i = i + 1) {
+        print x;
+    }
+
     x = x + 1;
     a = a + 1;
 }