Merge pull request #81 from afernandez90/develop

C++11 lambda expressions support

Author: TiarkRompf

src/common/Functions.scala

@@ -376,12 +376,12 @@ trait CGenTupledFunctions extends CGenFunctions with GenericGenUnboxedTupleAcces
 
   override def emitNode(sym: Sym[Any], rhs: Def[Any]) = rhs match {
     case Lambda(fun, UnboxedTuple(xs), y) =>
-      stream.println(remap(y.tp)+" "+quote(sym)+"("+xs.map(s=>remap(s.tp)+" "+quote(s)).mkString(",")+") {")
+      stream.println("auto "+quote(sym)+" = [&]("+xs.map(s=>remap(s.tp)+" "+quote(s)).mkString(",")+") {")
       emitBlock(y)
       val z = getBlockResult(y)
       if (remap(z.tp) != "void")
         stream.println("return " + quote(z) + ";")
-      stream.println("}")
+      stream.println("};")
     case Apply(fun, UnboxedTuple(args)) =>
       emitValDef(sym, quote(fun) + args.map(quote).mkString("(", ",", ")"))
     case _ => super.emitNode(sym,rhs)

test-out/epfl/test14-cgen2.check

@@ -8,7 +8,7 @@ int32_t main(int32_t);
 #include <string.h>
 #include <stdbool.h>
 int32_t main(int32_t  x0) {
-int32_t x1(int32_t x2,int32_t x3) {
+auto x1 = [&](int32_t x2,int32_t x3) {
 int32_t x4 = x2;
 bool x6 = x4 == 0;
 int32_t x12;
@@ -22,7 +22,7 @@ int32_t x10 = x4 * x9;
 x12 = x10;
 }
 return x12;
-}
+};
 int32_t x15 = x1(4,0);
 printf(string("Hello, world! %d\n").c_str(),x15);
 return 0;