updating langua examples

Signed-off-by: ncardozo <[email protected]>

Author: ncardozo

.classpath

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

.gitignore

@@ -0,0 +1 @@
+/bin

.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>parser-tester</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,12 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=1.8

lym/interfaz/ConsolaParsers.java src/lym/interfaz/ConsolaParsers.java

@@ -0,0 +1,44 @@
+/**
+ * JavaCC template file created by SF JavaCC plugin 1.5.28+ wizard for JavaCC 1.5.0+
+ */options{  static = true;}PARSER_BEGIN(exp)package grammar;
+
+public class exp{  public static void main(String args []) throws ParseException  {    exp parser = new exp(System.in);    while (true)    {      System.out.println("Reading from standard input...");      System.out.print("Enter an expression like \"1+(2+3)*4;\" :");      try      {        switch (exp.one_line())        {          case 0 :           System.out.println("OK.");          break;          case 1 :           System.out.println("Goodbye.");          break;          default :           break;        }      }      catch (Exception e)      {        System.out.println("NOK.");        System.out.println(e.getMessage());        exp.ReInit(System.in);      }      catch (Error e)      {        System.out.println("Oops.");        System.out.println(e.getMessage());        break;      }    }  }}PARSER_END(exp)SKIP :{  " "| "\r"| "\t"| "\n"}TOKEN : /* OPERATORS */{  < PLUS : "+" >| < MINUS : "-" >| < MULTIPLY : "*" >| < DIVIDE : "/" >}TOKEN :{  < CONSTANT : (< DIGIT >)+ >| < #DIGIT : [ "0"-"9" ] >}int one_line() :{int res = 0;}{  res = sum() ";"  {
+    System.out.println(res);    return 0;  }| ";"  {    return 1;  }}int sum() :{
+	int left;
+	int right;
+	String op;
+	int res = 0;
+  }{  left = term()  (    (      < PLUS >    | < MINUS >    ) {
+		op = token.image;
+    }    right = term()
+    {
+      	if(op.equals("+"))
+			left =  left + right;
+		else
+			left = left - right;
+    }  )*
+  {
+    return left; 
+   } }int term() :{
+  int left;
+  int right = 0;
+  String op;
+  }{   left = unary() { }  (    (      < MULTIPLY >    | < DIVIDE >    ) {
+		op = token.image;
+    }    right = unary()
+    {
+      if(op.equals("*"))
+      		left = left * right;
+      else
+      	left = left / right;
+    }  )*
+  {	return left;
+  }}int unary() :{ int res; }{  < MINUS > res = element()
+  {		return -1*res;
+  }| res = element()
+{
+  	return res;
+}}int element() :{int res;}{  < CONSTANT >
+  {		int num = Integer.parseInt(token.image);
+		return num;
+  }| "(" res = sum() ")" { return res; }}

lym/interfaz/MessageDialog.java src/lym/interfaz/MessageDialog.java

@@ -9,72 +9,4 @@ public class Grace{  public static void main(String args []) throws ParseExcep
 void grace_expression() :
 { }
 {
-  (    
-	  vars()
-	| block ()
-  )
-  ";"  
-}
-
-void vars() :
-{}
-{
-  (    < DEF > <WORD > <UNIFY > < CONSTANT >
-	| < VAR > <WORD > <ASSIGNMENT > < CONSTANT >
-  )+
-}
-
-void block() :
-{ }
-{
-  (
-	"{"
-	< WORD >
-  	(  	  fun_call()
-  	| annonymous_function()
-  	)
-	"}"
-  )+
-}
-
-void fun_call() :
-{}
-{
-	"."< WORD >
-}
-
-void annonymous_function() :
-{ }
-{
-	"->" expression()
-}
-
-void expression() :
-{}
-{
-  < WORD >
-  (
-    fun_call()
-	| arithmetic_exp()
-  )
-}
-
-void arithmetic_exp() :
-{ }
-{
-	("+" | "-" | "*" | "/") var()
-}
-
-void var() :
-{}
-{
- 	< WORD > | < CONSTANT >
-}
-
-
-
-
-
-
-
-
+}