Merge pull request #374 from github/multi-component-ghcide-setup

Multi component ghcide setup

Author: robrix

.ghci.semantic

@@ -1,61 +1,17 @@
 -- GHCI settings for semantic, collected by running cabal repl -v and checking out the flags cabal passes to ghc.
 -- These live here instead of script/repl for ease of commenting.
 -- These live here instead of .ghci so cabal repl remains unaffected.
+-- These live here instead of script/ghci-flags so ghcide remains unaffected.
 
 -- Basic verbosity
 :set -v1
 
--- No optimizations
-:set -O0
-
 -- Compile to object code
 :set -fwrite-interface -fobject-code
 
--- Write build products to dist-repl (so that we don’t clobber 'cabal build' outputs)
-:set -outputdir dist-repl/build/x86_64-osx/ghc-8.6.5/semantic-0.8.0.0/build
-:set -odir dist-repl/build/x86_64-osx/ghc-8.6.5/semantic-0.8.0.0/build
-:set -hidir dist-repl/build/x86_64-osx/ghc-8.6.5/semantic-0.8.0.0/build
-:set -stubdir dist-repl/build/x86_64-osx/ghc-8.6.5/semantic-0.8.0.0/build
-
--- Look for autogen’d files in dist-repl
-:set -idist-repl/build/x86_64-osx/ghc-8.6.5/semantic-0.8.0.0/build/autogen
-
--- Load all our sources… remember to keep this up to date when we add new packages!
--- But don’t add semantic-source, it’s important that we get that from hackage.
-:set -isemantic-analysis/src
-:set -isemantic-ast/src
-:set -isemantic-core/src
-:set -isemantic-java/src
-:set -isemantic-json/src
-:set -isemantic-python/src
-:set -isemantic-tags/src
-:set -iapp
-:set -isrc
-:set -ibench
-:set -itest
-
--- Default language mode & extensions
-:set -XHaskell2010
-:set -XStrictData
-
--- Warnings for compiling .hs files
-:set -Weverything
-:set -Wno-all-missed-specialisations
-:set -Wno-implicit-prelude
-:set -Wno-missed-specialisations
-:set -Wno-missing-import-lists
-:set -Wno-missing-local-signatures
-:set -Wno-monomorphism-restriction
-:set -Wno-name-shadowing
-:set -Wno-safe
-:set -Wno-unsafe
-:set -Wno-star-is-type
 -- Bonus: silence “add these modules to your .cabal file” warnings for files we :load
 :set -Wno-missing-home-modules
 
--- Don’t fail on warnings when in the repl
-:set -Wwarn
-
 -- Warnings for code written in the repl
 :seti -Weverything
 :seti -Wno-all-missed-specialisations

.gitignore

@@ -26,7 +26,6 @@ tmp/
 *.hp
 *.prof
 *.pyc
-/hie.yaml
 
 /test.*
 /*.html

hie.yaml

@@ -0,0 +1,4 @@
+cradle:
+  bios:
+    program: script/ghci-flags
+    dependency-program: script/ghci-flags-dependencies

script/ghci-flags

@@ -0,0 +1,65 @@
+#!/bin/bash
+# Computes the flags for ghcide to pass to ghci. You probably won’t be running this yourself, but rather ghcide will via configuration in hie.yaml.
+
+set -e
+
+cd $(dirname "$0")/..
+
+root="$(pwd)"
+ghc_version="$(ghc --numeric-version)"
+
+if [ "$1" == "--builddir" ]; then
+  repl_builddir="$2"
+  shift 2
+else
+  repl_builddir=dist-newstyle
+fi
+
+echo "-O0"
+echo "-ignore-dot-ghci"
+
+echo "-outputdir $repl_builddir/build/x86_64-osx/ghc-$ghc_version/semantic-0.8.0.0/build"
+echo "-odir $repl_builddir/build/x86_64-osx/ghc-$ghc_version/semantic-0.8.0.0/build"
+echo "-hidir $repl_builddir/build/x86_64-osx/ghc-$ghc_version/semantic-0.8.0.0/build"
+echo "-stubdir $repl_builddir/build/x86_64-osx/ghc-$ghc_version/semantic-0.8.0.0/build"
+
+echo "-i$root/$repl_builddir/build/x86_64-osx/ghc-$ghc_version/semantic-0.8.0.0/build/autogen"
+
+echo "-I$root/$repl_builddir/build/x86_64-osx/ghc-$ghc_version/semantic-0.8.0.0/build/autogen"
+
+echo "-i$root/semantic-analysis/src"
+echo "-i$root/semantic-ast/src"
+echo "-i$root/semantic-core/src"
+echo "-i$root/semantic-java/src"
+echo "-i$root/semantic-json/src"
+echo "-i$root/semantic-python/src"
+echo "-i$root/semantic-tags/src"
+echo "-i$root/app"
+echo "-i$root/src"
+echo "-i$root/bench"
+echo "-i$root/test"
+
+echo "-optP-include"
+echo "-optP$root/$repl_builddir/build/x86_64-osx/ghc-$ghc_version/semantic-0.8.0.0/build/autogen/cabal_macros.h"
+
+echo "-hide-all-packages"
+
+# Emit package flags from the environment file, removing comments & prefixing with -
+cabal exec --builddir=$repl_builddir -v0 bash -- -c 'cat $GHC_ENVIRONMENT' | grep -v '^--' | sed -e 's/^/-/'
+
+echo "-XHaskell2010"
+echo "-XStrictData"
+
+echo "-Wwarn"
+
+echo "-Weverything"
+echo "-Wno-all-missed-specialisations"
+echo "-Wno-implicit-prelude"
+echo "-Wno-missed-specialisations"
+echo "-Wno-missing-import-lists"
+echo "-Wno-missing-local-signatures"
+echo "-Wno-monomorphism-restriction"
+echo "-Wno-name-shadowing"
+echo "-Wno-safe"
+echo "-Wno-unsafe"
+echo "-Wno-star-is-type"

script/ghci-flags-dependencies

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Computes the paths to files causing changes to the ghci flags. You probably won’t be running this yourself, but rather ghcide will via configuration in hie.yaml.
+
+set -e
+
+cd $(dirname "$0")/..
+
+echo "cabal.project"
+
+echo "semantic.cabal"
+echo "semantic-analysis/semantic-analysis.cabal"
+echo "semantic-ast/semantic-ast.cabal"
+echo "semantic-core/semantic-core.cabal"
+echo "semantic-java/semantic-java.cabal"
+echo "semantic-json/semantic-json.cabal"
+echo "semantic-python/semantic-python.cabal"
+echo "semantic-tags/semantic-tags.cabal"

script/repl

@@ -11,5 +11,5 @@ repl_builddir=dist-repl
 if [[ ! -d $repl_builddir ]]; then
   echo "$repl_builddir does not exist, first run 'cabal repl --builddir=$repl_builddir', exit, and then re-run $0"
 else
-  cabal exec --builddir=$repl_builddir ghci -- -ghci-script=.ghci.semantic $@
+  cabal exec --builddir=$repl_builddir ghci -- -ghci-script=.ghci.semantic $(script/ghci-flags --builddir "$repl_builddir") -no-ignore-dot-ghci $@
 fi