Chatbot_Eva_A01568830

labs/04/lex_analyzer_a01568830_lab04/Makefile

@@ -0,0 +1,4 @@
+lex_analyzer: lex_analyzer.l
+        lex lex_analyzer.l
+        gcc lex.yy.c -o lex_analyzer -ll
+

labs/04/lex_analyzer_a01568830_lab04/code_generator.py

@@ -0,0 +1,18 @@
+import random
+
+variables = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
+
+code = "// basic code\n"
+
+code += "f {}\n".format(random.choice(variables))
+
+code += "i {}\n".format(random.choice(variables))
+
+code += "{} = {}\n".format(random.choice(variables), random.randint(0, 100))
+
+code += "{} = {} + {}\n".format(random.choice(variables), random.choice(variables), round(random.uniform(0, 100), 5))
+
+code += "p {}\n".format(random.choice(variables))
+
+print(code)
+

labs/04/lex_analyzer_a01568830_lab04/lexic_analyzer.l

@@ -0,0 +1,30 @@
+
+%{
+#include <stdio.h>
+%}
+
+%%
+
+// Regular expressions for tokens
+"f"           { printf("floatdcl "); }
+"i"           { printf("intdcl "); }
+"p"           { printf("print "); }
+
+[a-z]         { printf("id "); }
+[0-9]+        { printf("inum "); }
+[0-9]+"."[0-9]+ { printf("fnum "); }
+
+"="           { printf("assign "); }
+"+"           { printf("plus "); }
+
+"//"          { /* Comment, ignore */ }
+\n            { /* Newline, ignore */ }
+[ \t]         { /* Whitespace, ignore */ }
+.             { printf("Invalid token\n"); }
+
+%%
+
+int main() {
+    yylex();
+    return 0;
+}

labs/07/Makefile

@@ -0,0 +1,11 @@
+all:
+        yacc -d chatbot.y
+        lex chatbot.l
+        gcc y.tab.c lex.yy.c -o chatbot
+
+clean:
+        rm -rf chatbot
+        rm -rf lex.yy.c
+        rm -rf y.tab.c
+        rm -rf y.tab.h
+        rm -rf y.tab.h.gch

labs/07/chatbot.l

@@ -0,0 +1,23 @@
+%{
+#include "y.tab.h"
+%}
+
+%%
+
+hello           { return HELLO; }
+hi              { return HELLO; }
+hey             { return HELLO; }
+goodbye         { return GOODBYE; }
+bye             { return GOODBYE; }
+time            { return TIME; }
+what[' ']is[' ']the[' ']time  { return TIME; }
+what[' ']time[' ']is[' ']it  { return TIME; }
+\n              { return 0; }  /* End of input on newline */
+
+.               { return yytext[0]; }
+
+%%
+
+int yywrap() {
+    return 1;
+}

labs/07/chatbot.tab.c

@@ -0,0 +1,31 @@
+/* A Bison parser, made by GNU Bison 2.7.  */
+
+/* Bison implementation for Yacc-like parsers in C
+
+      Copyright (C) 1984, 1989-1990, 2000-2012 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */

labs/07/chatbot.tab.h

@@ -0,0 +1,31 @@
+/* A Bison parser, made by GNU Bison 2.7.  */
+
+/* Bison interface for Yacc-like parsers in C
+
+      Copyright (C) 1984, 1989-1990, 2000-2012 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */

labs/07/chatbot.y

@@ -0,0 +1,43 @@
+%{
+#include <stdio.h>
+#include <time.h>
+
+void yyerror(const char *s);
+int yylex(void);
+%}
+
+%token HELLO GOODBYE TIME
+
+%%
+
+chatbot : greeting
+        | farewell
+        | query
+        ;
+
+greeting : HELLO { printf("Chatbot: Holaaa? Que quieres\n"); }
+         ;
+
+farewell : GOODBYE { printf("Chatbot: Hasta nunca! Ten un buen día!\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);
+         }
+       ;
+
+%%
+
+int main() {
+    printf("Chatbot: Hola! Dime lo que quieras, te escucho. Pero solo sé saludar jaja\n");
+    while (yyparse() == 0) {
+        // Loop until end of input
+    }
+    return 0;
+}
+
+void yyerror(const char *s) {
+    fprintf(stderr, "Chatbot: Que estas diciendo loco.\n");
+}