From 86a192a55fc3e9d592d2244bd730973b386b3ba3 Mon Sep 17 00:00:00 2001
From: Lior Spach <ls12@inf.ufpr.br>
Date: Mon, 8 Jun 2015 01:23:56 -0300
Subject: [PATCH] 3/3
---
src/main/scala/TabelaSimb.scala | 54 +++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 src/main/scala/TabelaSimb.scala
diff --git a/src/main/scala/TabelaSimb.scala b/src/main/scala/TabelaSimb.scala
new file mode 100644
index 0000000..a4a97d0
--- /dev/null
+++ b/src/main/scala/TabelaSimb.scala
@@ -0,0 +1,54 @@
+package other
+import scala.annotation.tailrec
+
+abstract class Entrada(val id:String)
+case class Funcao (override val id:String, paramInfo:List[Param], desloc:Int,
+ nvLex:Int, rotEntrada:String) extends Entrada(id)
+case class Procedimento(override val id:String, paramInfo:List[Param],
+ nvLex:Int, rotEntrada:String) extends Entrada(id)
+case class Param(override val id:String, desloc: Int, byRef:Boolean, nvLex:Int) extends Entrada(id)
+case class Var(override val id:String, desloc: Int, nvLex:Int) extends Entrada(id)
+case class Label(override val id:String, rotulo:String, nvLex:Int, var used:Boolean = false, var put:Boolean = false) extends Entrada(id)
+
+object TabelaSimb {
+
+ private var table = List[Entrada]()
+
+ def hasNext = table.size>0
+ def top = table.head
+ def drop = table = table.tail
+
+ def getTable = table
+ def setTable(t:List[Entrada]) = table = t
+
+ def getById(id:String) = {
+ table.find { e => e.id == id }
+ }
+
+ def getLastProc(nvLex:Int) = {
+ print
+ table.find {
+ case p:Procedimento => if (p.nvLex==nvLex) true else false
+ case f:Funcao => if (f.nvLex==nvLex) true else false
+ case _ => false
+ }.get
+ }
+
+ @annotation.tailrec
+ def numVarsLocais(nvLex:Int, count:Int=0, rest:List[Entrada] = table):Int = rest match {
+ case (v:Var) :: xs => numVarsLocais(nvLex, count+1, xs)
+ case (p:Procedimento) :: xs => if (p.nvLex>nvLex) numVarsLocais(nvLex,count,xs) else count
+ case (f:Funcao) :: xs => if (f.nvLex>nvLex) numVarsLocais(nvLex,count,xs) else count
+ case _ => count
+ }
+
+ def insere(e:Entrada) {
+ table = e :: table
+ }
+
+ def insere(lst:List[Entrada]) {
+ table = lst.reverse ::: table
+ }
+
+ def print = table.reverse foreach println
+}
\ No newline at end of file
--
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