From d98247b9a0f814e9f0444b88a8de4c4ca0a6c230 Mon Sep 17 00:00:00 2001
From: Lior Spach <ls12@inf.ufpr.br>
Date: Wed, 3 Jun 2015 18:23:28 -0300
Subject: [PATCH] combinators first
---
src/main/scala/comb.scala | 48 +++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
create mode 100644 src/main/scala/comb.scala
diff --git a/src/main/scala/comb.scala b/src/main/scala/comb.scala
new file mode 100644
index 0000000..8819899
--- /dev/null
+++ b/src/main/scala/comb.scala
@@ -0,0 +1,48 @@
+package CombParse
+
+import scala.util.parsing.combinator._
+
+
+class Arith extends JavaTokenParsers {
+
+ def program : Parser[String] = {
+ def programInOut: Parser[Any] = "(" ~ opt( ident ~ opt(rep("," ~ ident)) ) ~ ")"
+ "program" ~> ident <~ opt(programInOut) ~ ";"
+ }
+
+ def vars:Parser[List[String]] =
+ "var" ~ ident ~ opt(rep("," ~> ident)) ~ ":"~"integer"~";" ^^
+ {
+ case "var" ~ id ~ optlstId ~ ":" ~ "integer"~";" =>
+ optlstId match {
+ case Some(s) =>
+ id :: s
+ case None =>
+ List(id)
+ }
+ }
+ lazy val page = getpage(i.link)
+ lazy val metadata = i.toMetadata ++ getter.getMetadata(page)
+ lazy val downLink = metadata.find(_.key == "DownloadLink").get.value
+ lazy val filename = metadata.find(_.key == "NomeArquivo" ).get.value
+ def param:Parser[String] =
+ ident ~ opt(rep("," ~> ident)) ~ ":"~"integer"~";"
+// def params:Parser[List[String]] =
+// opt("(" ~ param ~ opt(rep("," ~ param)) ~ ")")
+// def procedure:Parser[List[String]] =
+// "procedure" ~ ident ~ params
+
+}
+
+object MyParser extends Arith {
+ val input = Seq(
+ "program lala23(adkwopadw23, faw4ea,aduwh28 ) ;",
+ "var a,v,b23,sd :integer;"
+ )
+
+ def main(args: Array[String]) {
+ println(
+ parseAll(program, input(0)).get
+ )
+ }
+}
\ No newline at end of file
--
GitLab