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Add test for duplicate spliced decls

update output

Add test for splicing instance, and for pat-match failure in splice code

Omit the TH tests if the 'ghci' way does not exist.

Add a TH test for tuple names

Add a test involving existentials

Implement FunDeps for TH.

mark groups of tests as GHC-only, as they test GHC-specific features.

Testsuite cleaning.

Add a where-clause test for TH

Add missing functions to TH export list (mostly spotted by Duncan Coutts).

Update TH test output.

Add TH support for patterns with type signatures, and test for same
(requested by Isaac Jones).

Add TH support for pattern guards, and tests for same
(requested by Isaac Jones).

Add infix patterns to TH datatypes.

Added Lift instances for 2- to 7-tuples (requested by Duncan Coutts).

Split Template Haskell out to its own package and update docs and tests.

------------------------------------
	Major increment for Template Haskell
	------------------------------------

1.  New abstract data type "Name" which appears where String used to be.
    E.g. 	data Exp = VarE Name | ...

2.  New syntax 'x and ''T, for quoting Names.  It's rather like [| x |]
    and [t| T |] respectively, except that

	a) it's non-monadic:  'x :: Name
	b) you get a Name not an Exp or Type

3.  reify is an ordinary function
	reify :: Name -> Q Info
    New data type Info which tells what TH knows about Name

4.  Local variables work properly.  So this works now (crashed before):
	f x = $( [| x |] )

5.  THSyntax is split up into three modules:

  Language.Haskell.TH		TH "clients" import this

  Language.Haskell.TH.THSyntax	data type declarations and internal stuff

  Language.Haskell.TH.THLib	Support library code (all re-exported
				by TH), including smart constructors and
				pretty printer

6.  Error reporting and recovery are in (not yet well tested)

	report :: Bool {- True <=> fatal -} -> String -> Q ()
	recover :: Q a -> Q a -> Q a

7.  Can find current module

	currentModule :: Q String


Much other cleaning up, needless to say.

Two more TH tests, thanks to Sean

Add a TH test

These tests now only need -fth, apart from a couple which use unboxed
literals.

Introduce a ListP for consistency with ListE. Splicing in something with
a list pattern now works too.

Added various list tests.

Added tests for unboxed literals.

Update testsuite in line with recent TH changes.

Added a couple of cases to TH_repE1 and added a new TH_repE2 that also
splices things back in and checks they can be printed correctly.

Correctly convert expressions from TH datastructures to the internel Hs*
datastructures containing right infix operators left-parenthesised.

Suppress linking messages in TH_spliceDecl1

wibble

Renaming function for the reify/splice test needs to be in a separate module

TH:
- We are forcing importing THSyntax.Q at every top splice now; this suffices
  to get simple splices that do not involve reifyDecl or declaration
  quasi-quotes to work.  NB: This worked already when the construction of the
  Dec term and the splice were in separated modules, but not when they are in
  the same (see the regression test "TH_spliceDecl1.hs").
- The tests "TH_spliceDecl2.hs" and "TH_spliceDecl3.hs" use toplevel splices
  together with quasi-quoted and reifyDecl.  These currently still fail, as
  importing of some of the required type constructors from THSyntax isn't
  forced.

Seems (in DsMeta) as if reifyDecl should do class delcarations, too, but it
currently dies when applied to a class name.

More tests for reifyDecl

** reifyDecl currently barfs on "type" and "newtype" decls **

Started on regression tests for Template Haskell