From 22a31f7637702e0dc7afb5b22ed731d4a4411b92 Mon Sep 17 00:00:00 2001
From: Santiago Lo Coco <slococo@itba.edu.ar>
Date: Tue, 19 Apr 2022 07:48:03 -0300
Subject: [PATCH] Fix bug

---
 doc/examples/use-case-8.b                     |  3 +--
 src/frontend/lexical-analysis/flex-patterns.l | 26 +++++++++----------
 .../syntactic-analysis/bison-grammar.y        |  4 +--
 3 files changed, 16 insertions(+), 17 deletions(-)

diff --git a/doc/examples/use-case-8.b b/doc/examples/use-case-8.b
index 5d79582..ee36fd6 100644
--- a/doc/examples/use-case-8.b
+++ b/doc/examples/use-case-8.b
@@ -1,3 +1,2 @@
 fun f = f(3) * x * 4 + 3;
-fun g =  f(3) + f'(3)*(x-3) + f''(3)/2 * (x-3)^2 + f'''(3) / 6 * (x-3)^3 + f''''(3) / 24 * (x-3)^4;
-fun g =  f(2) + integrate(derivative())
\ No newline at end of file
+fun g =  f(3) + f'(3)*(x-3) + f''(3)/2 * (x-3)^2 + f'''(3) / 6 * (x-3)^3 + f''''(3) / 24 * (x-3)^4;
\ No newline at end of file
diff --git a/src/frontend/lexical-analysis/flex-patterns.l b/src/frontend/lexical-analysis/flex-patterns.l
index f5a65cf..a2f9d35 100644
--- a/src/frontend/lexical-analysis/flex-patterns.l
+++ b/src/frontend/lexical-analysis/flex-patterns.l
@@ -14,21 +14,21 @@
 %option yylineno
 
 /* Patrones reutilizables. */
-crlf			\r\n
-digit			[0-9]
+crlf            \r\n
+digit           [0-9]
 char            [a-zA-Z]
 characters      [a-zA-Z., ]
 decimal         [.]
-endline			\n
+endline         \n
 whitespace      [ \f\n\r\t\v]
 
 %%
 
-"+"											{ return ADD; }
-"-"											{ return SUB; }
-"*"											{ return MUL; }
-"/"											{ return DIV; }
-"^"											{ return POW; }
+"+"                                         { return ADD; }
+"-"                                         { return SUB; }
+"*"                                         { return MUL; }
+"/"                                         { return DIV; }
+"^"                                         { return POW; }
 "fun"                                       { return FUNCTION; }
 "function"                                  { return FUNCTION; }
 "if"                                        { return IF; }
@@ -59,8 +59,8 @@ whitespace      [ \f\n\r\t\v]
 "}"                                         { return CLOSE_BRACES; }
 "["                                         { return OPEN_BRACKETS; }
 "]"                                         { return CLOSE_BRACKETS; }
-"("											{ return OPEN_PARENTHESIS; }
-")"											{ return CLOSE_PARENTHESIS; }
+"("                                         { return OPEN_PARENTHESIS; }
+")"                                         { return CLOSE_PARENTHESIS; }
 "="                                         { return ASSIGN; }
 "=="                                        { return EQUAL; }
 "&&"                                        { return AND; }
@@ -81,14 +81,14 @@ whitespace      [ \f\n\r\t\v]
 
 {digit}+{decimal}{digit}+                   { return DoublePatternAction(yytext); }
 
-{digit}+						     		{ return IntegerPatternAction(yytext); }
+{digit}+                                    { return IntegerPatternAction(yytext); }
 
 {char}+                                     { return StringPatternAction(yytext); }
 
 \"{characters}+\"                           { return EscapeStringPatternAction(yytext); }
 
-{whitespace}								{ IgnoredPatternAction(yytext); }
+{whitespace}                                { IgnoredPatternAction(yytext); }
 
-.											{ return UnknownPatternAction(yytext); }
+.                                           { return UnknownPatternAction(yytext); }
 
 %%
diff --git a/src/frontend/syntactic-analysis/bison-grammar.y b/src/frontend/syntactic-analysis/bison-grammar.y
index 87a5d9d..d36e898 100644
--- a/src/frontend/syntactic-analysis/bison-grammar.y
+++ b/src/frontend/syntactic-analysis/bison-grammar.y
@@ -68,7 +68,7 @@
 
 %%
 
-program: statements												 { $$ = ProgramGrammarAction($1); }
+program: statements                                                                 { $$ = ProgramGrammarAction($1); }
     ;
 
 statement: evaluate SEMICOLON
@@ -86,7 +86,7 @@ statement: evaluate SEMICOLON
     ;
 
 expression: positive_constant
-     | evaluate
+    | evaluate
     | integrate
     | derivative
     | STRING