A01639925-homework-07

labs/07/chatbot.l

@@ -0,0 +1,42 @@
+%{
+#include "y.tab.h"
+%}
+
+%%
+hola         { return HELLO; }
+hello           { return HELLO; }
+hi              { return HELLO; }
+hey             { return HELLO; }
+
+adios         { return GOODBYE; }
+goodbye         { return GOODBYE; }
+bye             { return GOODBYE; }
+
+time            { return TIME; }
+what[' ']is[' ']the[' ']time  { return TIME; }
+what[' ']time[' ']is[' ']it  { return TIME; }
+
+what[' ']is[' ']your[' ']name  { return NAME; }
+give[' ']me[' ']your[' ']name  { return NAME; }
+do[' ']you[' ']have[' ']a[' ']name  { return NAME; }
+
+what[' ']is[' ']the[' ']weather  { return WEATHER; }
+how[' ']is[' ']the[' ']weather  { return WEATHER; }
+
+how[' ']are[' ']you  { return HOWAREYOU; }
+how[' ']you[' ']doing  { return HOWAREYOU; }
+
+what[' ']is[' ']your[' ']favorite[' ']color  { return COLOR; }
+
+how[' ']old[' ']are[' ']you  { return AGE; }
+
+what[' ']is[' ']your[' ']hobby  { return HOBBY; }
+
+\n              { return 0; } /* End of input on newline */
+
+.               { return yytext[0]; }
+
+%%
+int yywrap() {
+    return 1;
+}

labs/07/chatbot.y

@@ -0,0 +1,67 @@
+%{
+#include <stdio.h>
+#include <time.h>
+
+void yyerror(const char *s);
+int yylex(void);
+%}
+
+%token HELLO GOODBYE TIME NAME WEATHER HOWAREYOU COLOR AGE HOBBY
+
+%%
+
+chatbot : greeting
+        | farewell
+        | query
+        | name
+        | weather
+        | howareyou
+        | color
+        | age
+        | hobby
+        ;
+
+greeting : HELLO { printf("Chatbot: Hello! How can I help you today?\n"); }
+         ;
+
+farewell : GOODBYE { printf("Chatbot: Goodbye! Have a great day!\n"); }
+         ;
+
+query : TIME { 
+            time_t now = time(NULL);
+            struct tm *local = localtime(&now);
+            printf("Chatbot: The current time is %02d:%02d.\n", local->tm_hour, local->tm_min);
+         }
+       ;
+
+name : NAME { printf("Chatbot: My name is Bailey.\n"); }
+     ;
+
+weather : WEATHER { printf("Chatbot: I'm not sure about the weather, but I hope it's nice!\n"); }
+        ;
+
+howareyou : HOWAREYOU { printf("Chatbot: I'm functioning as expected. How about you?\n"); }
+          ;
+
+color : COLOR { printf("Chatbot: My favorite color is pink!\n"); }
+      ;
+
+age : AGE { printf("Chatbot: I don't age, I'm just a program.\n"); }
+    ;
+
+hobby : HOBBY { printf("Chatbot: I enjoy chatting with users like you!\n"); }
+      ;
+
+%%
+
+int main() {
+    printf("Chatbot: Hi! Ask me something.\n");
+    while (yyparse() == 0) {
+        // Loop until end of input
+    }
+    return 0;
+}
+
+void yyerror(const char *s) {
+    fprintf(stderr, "Chatbot: I didn't understand that.\n");
+}