andersonfraga/Lexica_01.flex

## compile.sh
#!/bin/bash

##
# Anderson Jean Fraga
# 13180375
# Compiladores - Trabalho 1 - Execute
##

file="Lexica_0$1"

if [[ -f "$file.flex" ]]; then
    ucfile="$(tr '[:lower:]' '[:upper:]' <<< ${file:0:1})${file:1}"
    rm $file.{java,java~,html}

    jflex $file.flex
    javac $ucfile.java
    java $ucfile $file.txt
else
    echo "File '${file}.flex' not found. Create, too, '${file}.txt' to test"
fi

## Lexica_01.flex
%%

/**
* Anderson Jean Fraga
* 13180375
* Compiladores - Trabalho 1 - Exercicio 1
*/

%public
%class Lexica_01
%standalone
%ignorecase

%unicode

%line

NEWLINE = \n|\r|\n\r

digit  = [0-9]
letter = [a-zA-Z0-9_]

Drive        = {letter}
Id           = ({letter}|{digit})({letter}|{digit})*
PathName     = {Id}
FileName     = {Id}
FileType     = {Id}

%%

^({Drive}\:)?(\\)?({PathName}\\)*{FileName}(\.{FileType})?$ {
    System.out.println("Está ok: " + yytext());
}

{NEWLINE} {}

.* { System.out.println("Está inválido: " + yytext()); }

## Lexica_01.txt
D:\acad\disc\compil\compil_u02_lexico
ExercicioLexico.doc
\Windows\System32
sa&$\Windows\System32

## Lexica_02.flex
import java.io.*;

/**
* Anderson Jean Fraga
* 13180375
* Compiladores - Trabalho 1 - Exercicio 2
*/

%%
%init{
    try {
        writer = new PrintWriter("Lexica_02.html");
        writer.append("<html>\n<head>\n");
        writer.append("<style>\n");
        writer.append("body { background:#23241f; color:#fff; }\n");
        writer.append(".reserved { color:#f92672; }\n");
        writer.append(".identifiers { color:#66d9ef; }\n");
        writer.append(".strings { color:#e6db74; }\n");
        writer.append(".numbers { color:#ae81ff; }\n");
        writer.append(".comments { color:#75715e; }\n");
        writer.append(".operators { color:#a6e22e; }\n");
        writer.append(".scopes { color:#7f9f7f; }\n");
        writer.append("</style>\n");
        writer.append("<body>\n");
    }
    catch (FileNotFoundException e) {
    }
    catch (Exception e) {
    }
%init}

%eof{
    try {
        writer.append("</body>\n</html>");
        writer.flush();
        writer.close();
    }
    catch (Exception e) {
    }
%eof}

%{
    private PrintWriter writer = null;

    private void toHtml(String klass, String str) {
        if (str.length() == 0) {
            return;
        }

        try {
            writer.append("<span class=\"" + klass + "\">" + str + "</span>\n");
        }
        catch (Exception e) {
        }
    }

    private void toHtml(String str) {
        if (str.length() == 0) {
            return;
        }

        try {
            writer.append("<span>" + str + "</span>\n");
        }
        catch (Exception e) {
        }
    }

%}

%public
%class Lexica_02
%standalone
%ignorecase
%byaccj
%integer
%line
%char
%unicode

NEWLINE = \n|\r|\n\r

TAB = \t|\s+
digit  = [0-9]
letter = [a-zA-Z0-9_]
letterWithDot = [a-zA-Z0-9\.\*]

%%

=|==|\+|-|\*|\\|\|\||\/|\&\&|\~|\<|\+\+|\>|\<\=|\>\= {
    toHtml("operators", yytext());
}

import|final|static|public|protected|private|extends|implements {
    toHtml("reserved", yytext());
}

if|else|while|for {
    toHtml("reserved", yytext());
}

class|void|String|int|double|float|new|return|null|true|false {
    toHtml("identifiers", yytext());
}

\"{letter}+\" {
    toHtml("strings", yytext());
}

[-+]?{digit}*(\.{digit}+)? {
    toHtml("numbers", yytext());
}

\/\*(.|[\r\n]|\t)*?\*\/ { toHtml("comments", yytext()); }

{letterWithDot}+ { toHtml(yytext()); }

{NEWLINE} { toHtml("<br>"); }
{TAB} { toHtml("&nbsp;&nbsp;&nbsp;&nbsp;"); }

\{|\}|\[|\]|\(|\)|\,|\;|\.|\: { toHtml("scopes", yytext()); }

. { }

## Lexica_02.txt

import java.utils.*;

public class Teste extends Abc implements Def
{
	private String t;
	/**
	* Construtor
	*/
	Teste()
	{
		t = new abc();
	}

	public void hello()
	{
		for (int x = 0; x < 5; x++) {
			abc.flush();
		}
	}

	private String haa(int as, float sua)
	{
		if (as == null || sua == null) {
			return "putz";
		}
		else {
			abc.hup(as * 3, sua / 12.9);
		}

		return abc;
	}
}

## Lexica_03.flex
%%

/**
* Anderson Jean Fraga
* 13180375
* Compiladores - Trabalho 1 - Exercicio 3
*/

%public
%class Lexica_03
%standalone
%ignorecase

%unicode

%line

NEWLINE = \t|\n|\r|\n\r

digit  = [0-9]
letter = [a-zA-Z0-9_\ ]

%%

\"{letter}+\" {
    String itemstr = new String(yytext());
    System.out.println("Code: STRING\n - Elem: " + itemstr.substring(1, itemstr.length() - 1) + "\n - Line: " + yyline);
}

"[" {
    System.out.println("Code: ABRE_COLCHETE\n - Elem: " + yytext() + "\n - Line: " + yyline);
}

"]" {
    System.out.println("Code: FECHA_COLCHETE\n - Elem: " + yytext() + "\n - Line: " + yyline);
}

"{" {
    System.out.println("Code: ABRE_CHAVE\n - Elem: " + yytext() + "\n - Line: " + yyline);
}

"}" {
    System.out.println("Code: FECHA_CHAVE\n - Elem: " + yytext() + "\n - Line: " + yyline);
}

"," {
    System.out.println("Code: VIRGULA\n - Elem: " + yytext() + "\n - Line: " + yyline);
}

":" {
    System.out.println("Code: DOIS-PONTOS\n - Elem: " + yytext() + "\n - Line: " + yyline);
}

[-+]?{digit}+   {
    System.out.println("Code: INTEIRO\n - Elem: " + yytext() + "\n - Line: " + yyline);
}

[-+]?{digit}*\.{digit}+ {
    System.out.println("Code: PONTO FLUTUANTE\n - Elem: " + yytext() + "\n - Line: " + yyline);
}

{NEWLINE}+ { }

. { }

## Lexica_03.txt
{
 "id": 1,
 "name": "Toner para Impressora XK 4532",
 "price": 219.23,
 "tags": [ "Toner", "4532" ],
 "stock": {
 "shopping iguatemi": 3
 }
}
	#!/bin/bash

	##
	# Anderson Jean Fraga
	# 13180375
	# Compiladores - Trabalho 1 - Execute
	##

	file="Lexica_0$1"

	if [[ -f "$file.flex" ]]; then
	ucfile="$(tr '[:lower:]' '[:upper:]' <<< ${file:0:1})${file:1}"
	rm $file.{java,java~,html}

	jflex $file.flex
	javac $ucfile.java
	java $ucfile $file.txt
	else
	echo "File '${file}.flex' not found. Create, too, '${file}.txt' to test"
	fi
	%%

	/**
	* Anderson Jean Fraga
	* 13180375
	* Compiladores - Trabalho 1 - Exercicio 1
	*/

	%public
	%class Lexica_01
	%standalone
	%ignorecase

	%unicode

	%line

	NEWLINE = \n\|\r\|\n\r

	digit = [0-9]
	letter = [a-zA-Z0-9_]

	Drive = {letter}
	Id = ({letter}\|{digit})({letter}\|{digit})*
	PathName = {Id}
	FileName = {Id}
	FileType = {Id}

	%%

	^({Drive}\:)?(\\)?({PathName}\\)*{FileName}(\.{FileType})?$ {
	System.out.println("Está ok: " + yytext());
	}

	{NEWLINE} {}

	.* { System.out.println("Está inválido: " + yytext()); }
	D:\acad\disc\compil\compil_u02_lexico
	ExercicioLexico.doc
	\Windows\System32
	sa&$\Windows\System32
	import java.io.*;

	/**
	* Anderson Jean Fraga
	* 13180375
	* Compiladores - Trabalho 1 - Exercicio 2
	*/

	%%
	%init{
	try {
	writer = new PrintWriter("Lexica_02.html");
	writer.append("<html>\n<head>\n");
	writer.append("<style>\n");
	writer.append("body { background:#23241f; color:#fff; }\n");
	writer.append(".reserved { color:#f92672; }\n");
	writer.append(".identifiers { color:#66d9ef; }\n");
	writer.append(".strings { color:#e6db74; }\n");
	writer.append(".numbers { color:#ae81ff; }\n");
	writer.append(".comments { color:#75715e; }\n");
	writer.append(".operators { color:#a6e22e; }\n");
	writer.append(".scopes { color:#7f9f7f; }\n");
	writer.append("</style>\n");
	writer.append("<body>\n");
	}
	catch (FileNotFoundException e) {
	}
	catch (Exception e) {
	}
	%init}

	%eof{
	try {
	writer.append("</body>\n</html>");
	writer.flush();
	writer.close();
	}
	catch (Exception e) {
	}
	%eof}

	%{
	private PrintWriter writer = null;

	private void toHtml(String klass, String str) {
	if (str.length() == 0) {
	return;
	}

	try {
	writer.append("<span class=\"" + klass + "\">" + str + "</span>\n");
	}
	catch (Exception e) {
	}
	}

	private void toHtml(String str) {
	if (str.length() == 0) {
	return;
	}

	try {
	writer.append("<span>" + str + "</span>\n");
	}
	catch (Exception e) {
	}
	}

	%}

	%public
	%class Lexica_02
	%standalone
	%ignorecase
	%byaccj
	%integer
	%line
	%char
	%unicode

	NEWLINE = \n\|\r\|\n\r

	TAB = \t\|\s+
	digit = [0-9]
	letter = [a-zA-Z0-9_]
	letterWithDot = [a-zA-Z0-9\.\*]

	%%

	=\|==\|\+\|-\|\*\|\\\|\\|\\|\|\/\|\&\&\|\~\|\<\|\+\+\|\>\|\<\=\|\>\= {
	toHtml("operators", yytext());
	}

	import\|final\|static\|public\|protected\|private\|extends\|implements {
	toHtml("reserved", yytext());
	}

	if\|else\|while\|for {
	toHtml("reserved", yytext());
	}

	class\|void\|String\|int\|double\|float\|new\|return\|null\|true\|false {
	toHtml("identifiers", yytext());
	}

	\"{letter}+\" {
	toHtml("strings", yytext());
	}

	[-+]?{digit}*(\.{digit}+)? {
	toHtml("numbers", yytext());
	}

	\/\(.\|[\r\n]\|\t)?\*\/ { toHtml("comments", yytext()); }

	{letterWithDot}+ { toHtml(yytext()); }

	{NEWLINE} { toHtml("<br>"); }
	{TAB} { toHtml("    "); }

	\{\|\}\|\[\|\]\|\(\|\)\|\,\|\;\|\.\|\: { toHtml("scopes", yytext()); }

	. { }

	import java.utils.*;

	public class Teste extends Abc implements Def
	{
	private String t;
	/**
	* Construtor
	*/
	Teste()
	{
	t = new abc();
	}

	public void hello()
	{
	for (int x = 0; x < 5; x++) {
	abc.flush();
	}
	}

	private String haa(int as, float sua)
	{
	if (as == null \|\| sua == null) {
	return "putz";
	}
	else {
	abc.hup(as * 3, sua / 12.9);
	}

	return abc;
	}
	}
	{
	"id": 1,
	"name": "Toner para Impressora XK 4532",
	"price": 219.23,
	"tags": [ "Toner", "4532" ],
	"stock": {
	"shopping iguatemi": 3
	}
	}