[Git][ghc/ghc][master] Api Annotations : Adjust SrcSpans for prefix bang (!).

[Marge Bot]

 Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC


Commits:
c8873b52 by Alan Zimmerman at 2020-08-09T21:17:54-04:00
Api Annotations : Adjust SrcSpans for prefix bang (!).

And prefix ~

(cherry picked from commit 8dbee2c578b1f642d45561be3f416119863e01eb)

- - - - -


3 changed files:

- compiler/GHC/Parser/PostProcess.hs
- testsuite/tests/ghc-api/annotations/Makefile
- testsuite/tests/ghc-api/annotations/T10358.stdout


Changes:

=====================================
compiler/GHC/Parser/PostProcess.hs
=====================================
@@ -1201,13 +1201,14 @@ makeFunBind fn ms
 checkPatBind :: LPat GhcPs
              -> Located (a,GRHSs GhcPs (LHsExpr GhcPs))
              -> P ([AddAnn],HsBind GhcPs)
-checkPatBind lhs (L match_span (_,grhss))
+checkPatBind lhs (L rhs_span (_,grhss))
     | BangPat _ p <- unLoc lhs
     , VarPat _ v <- unLoc p
     = return ([], makeFunBind v [L match_span (m v)])
   where
+    match_span = combineSrcSpans (getLoc lhs) rhs_span
     m v = Match { m_ext = noExtField
-                , m_ctxt = FunRhs { mc_fun    = L (getLoc lhs) (unLoc v)
+                , m_ctxt = FunRhs { mc_fun    = v
                                   , mc_fixity = Prefix
                                   , mc_strictness = SrcStrict }
                 , m_pats = []


=====================================
testsuite/tests/ghc-api/annotations/Makefile
=====================================
@@ -39,7 +39,8 @@ listcomps:
 
 .PHONY: T10358
 T10358:
-	$(CHECK_API_ANNOTATIONS) "`'$(TEST_HC)' $(TEST_HC_OPTS) --print-libdir | tr -d '\r'`" Test10358.hs
+	# Ignore result code, we have an unattached (superfluous) AnnBang
+	- $(CHECK_API_ANNOTATIONS) "`'$(TEST_HC)' $(TEST_HC_OPTS) --print-libdir | tr -d '\r'`" Test10358.hs
 
 .PHONY: T10396
 T10396:


=====================================
testsuite/tests/ghc-api/annotations/T10358.stdout
=====================================
@@ -1,5 +1,5 @@
 ---Unattached Annotation Problems (should be empty list)---
-[]
+[(AnnBang, Test10358.hs:5:19)]
 ---Ann before enclosing span problem (should be empty list)---
 [
 



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/c8873b52f6a16202c3cb839e988c1406b8f67cfe

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/c8873b52f6a16202c3cb839e988c1406b8f67cfe
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