From 814cf34fb00f9ccb001249f4b3445ebc4f9942c9 Mon Sep 17 00:00:00 2001 From: Eugene Burmako Date: Thu, 12 Apr 2012 01:59:46 +0200 Subject: Next generation of macros Implements SIP 16: Self-cleaning macros: http://bit.ly/wjjXTZ Features: * Macro defs * Reification * Type tags * Manifests aliased to type tags * Extended reflection API * Several hundred tests * 1111 changed files Not yet implemented: * Reification of refined types * Expr.value splicing * Named and default macro expansions * Intricacies of interaction between macros and implicits * Emission of debug information for macros (compliant with JSR-45) Dedicated to Yuri Alekseyevich Gagarin --- .../Impls_1.scala | 10 ++++++++++ .../Macros_Test_2.scala | 4 ++++ 2 files changed, 14 insertions(+) create mode 100644 test/pending/run/macro-expand-implicit-macro-has-context-bound/Impls_1.scala create mode 100644 test/pending/run/macro-expand-implicit-macro-has-context-bound/Macros_Test_2.scala (limited to 'test/pending/run/macro-expand-implicit-macro-has-context-bound') diff --git a/test/pending/run/macro-expand-implicit-macro-has-context-bound/Impls_1.scala b/test/pending/run/macro-expand-implicit-macro-has-context-bound/Impls_1.scala new file mode 100644 index 0000000000..5c50576281 --- /dev/null +++ b/test/pending/run/macro-expand-implicit-macro-has-context-bound/Impls_1.scala @@ -0,0 +1,10 @@ +import scala.reflect.makro.{Context => Ctx} + +object Impls { + def foo[U](c: Ctx)(x: c.Expr[U])(evidence: c.Expr[Numeric[U]]) = { + import c.mirror._ + val plusOne = Apply(Select(evidence.tree, newTermName("plus")), List(x.tree, Literal(Constant(1)))) + val body = Apply(Select(Ident(definitions.PredefModule), newTermName("println")), List(plusOne)) + Expr[Unit](body) + } +} diff --git a/test/pending/run/macro-expand-implicit-macro-has-context-bound/Macros_Test_2.scala b/test/pending/run/macro-expand-implicit-macro-has-context-bound/Macros_Test_2.scala new file mode 100644 index 0000000000..7d16b773a6 --- /dev/null +++ b/test/pending/run/macro-expand-implicit-macro-has-context-bound/Macros_Test_2.scala @@ -0,0 +1,4 @@ +object Test extends App { + def foo[U: Numeric](x: U) = macro Impls.foo[U] + foo(42) +} \ No newline at end of file -- cgit v1.2.3