ssa: chan send/recv

ssa/abitype.go

@@ -68,6 +68,8 @@ func (b Builder) abiTypeOf(t types.Type) func() Expr {
 		return b.abiSliceOf(t)
 	case *types.Array:
 		return b.abiArrayOf(t)
+	case *types.Chan:
+		return b.abiChanOf(t)
 	}
 	panic("todo")
 }
@@ -274,6 +276,14 @@ func (b Builder) abiArrayOf(t *types.Array) func() Expr {
 	}
 }
 
+func (b Builder) abiChanOf(t *types.Chan) func() Expr {
+	elem := b.abiTypeOf(t.Elem())
+	return func() Expr {
+		dir, s := abi.ChanDir(t.Dir())
+		return b.Call(b.Pkg.rtFunc("ChanOf"), b.Prog.IntVal(uint64(dir), b.Prog.Int()), b.Str(s), elem())
+	}
+}
+
 // func StructField(name string, typ *abi.Type, off uintptr, tag string, embedded bool)
 // func Struct(pkgPath string, size uintptr, fields []abi.StructField)
 func (b Builder) abiStructOf(t *types.Struct) func() Expr {