Make whitespace uniform in Cabal files, add a few more dependency bounds

gf.cabal

@@ -43,21 +43,21 @@ custom-setup
   setup-depends:
     base,
     Cabal >=1.22.0.0,
-    directory,
+    directory >= 1.3.0 && < 1.4,
-    filepath,
+    filepath >= 1.4.1 && < 1.5,
     process >=1.0.1.1
 
 source-repository head
-  type:     git
+  type: git
   location: https://github.com/GrammaticalFramework/gf-core.git
 
 flag interrupt
   Description: Enable Ctrl+Break in the shell
-  Default:     True
+  Default: True
 
 flag server
   Description: Include --server mode
-  Default:     True
+  Default: True
 
 flag network-uri
    description: Get Network.URI from the network-uri package
@@ -69,13 +69,13 @@ flag network-uri
 
 flag c-runtime
   Description: Include functionality from the C run-time library (which must be installed already)
-  Default:     False
+  Default: False
 
 library
-  default-language:    Haskell2010
+  default-language: Haskell2010
   build-depends:
     -- GHC 8.0.2 to GHC 8.10.4
-    base >= 4.9.1 && <4.15,
+    base >= 4.9.1 && < 4.15,
     array >= 0.5.1 && < 0.6,
     containers >= 0.5.7 && < 0.7,
     bytestring >= 0.10.8 && < 0.11,
@@ -137,13 +137,17 @@ library
 
   if flag(c-runtime)
     exposed-modules: PGF2
-    other-modules:   PGF2.FFI PGF2.Expr PGF2.Type
+    other-modules:
-                     GF.Interactive2 GF.Command.Commands2
+      PGF2.FFI
-    hs-source-dirs:  src/runtime/haskell-bind
+      PGF2.Expr
-    build-tools:     hsc2hs
+      PGF2.Type
+      GF.Interactive2
+      GF.Command.Commands2
+    hs-source-dirs: src/runtime/haskell-bind
+    build-tools: hsc2hs
     extra-libraries: pgf gu
-    c-sources:       src/runtime/haskell-bind/utils.c
+    c-sources: src/runtime/haskell-bind/utils.c
-    cc-options:      -std=c99
+    cc-options: -std=c99
 
 ---- GF compiler as a library:
 
@@ -165,12 +169,19 @@ library
     GF.Grammar.Canonical
 
   other-modules:
-    GF.Main GF.Compiler GF.Interactive
+    GF.Main
+    GF.Compiler
+    GF.Interactive
 
-    GF.Compile GF.CompileInParallel GF.CompileOne  GF.Compile.GetGrammar
+    GF.Compile
+    GF.CompileInParallel
+    GF.CompileOne
+    GF.Compile.GetGrammar
     GF.Grammar
 
-    GF.Data.Operations GF.Infra.Option GF.Infra.UseIO
+    GF.Data.Operations
+    GF.Infra.Option
+    GF.Infra.UseIO
 
     GF.Command.Abstract
     GF.Command.CommandInfo
@@ -280,12 +291,17 @@ library
     cpp-options: -DC_RUNTIME
 
   if flag(server)
-    build-depends: httpd-shed >= 0.4.0 && < 0.5, network>=2.3 && <2.7,
+    build-depends:
-                   cgi >= 3001.3.0.2 && < 3001.6
+      httpd-shed >= 0.4.0 && < 0.5,
+      network>=2.3 && <2.7,
+      cgi >= 3001.3.0.2 && < 3001.6
     if flag(network-uri)
-      build-depends: network-uri >= 2.6.1.0 && < 2.7, network>=2.6 && <2.7
+      build-depends:
+        network-uri >= 2.6.1.0 && < 2.7,
+        network>=2.6 && <2.7
     else
-      build-depends: network >= 2.5 && <2.6
+      build-depends:
+        network >= 2.5 && <2.6
 
     cpp-options: -DSERVER_MODE
     other-modules:
@@ -302,7 +318,10 @@ library
       Fold
       ExampleDemo
       ExampleService
-    hs-source-dirs: src/server src/server/transfer src/example-based
+    hs-source-dirs:
+      src/server
+      src/server/transfer
+      src/example-based
 
   if flag(interrupt)
     cpp-options: -DUSE_INTERRUPT
@@ -311,17 +330,24 @@ library
     other-modules: GF.System.NoSignal
 
   if impl(ghc>=7.8)
-    build-tools: happy>=1.19, alex>=3.1
+    build-tools:
+      happy>=1.19,
+      alex>=3.1
 --  ghc-options: +RTS -A20M -RTS
   else
-    build-tools: happy, alex>=3
+    build-tools:
+      happy,
+      alex>=3
 
   ghc-options: -fno-warn-tabs
 
   if os(windows)
-    build-depends: Win32 >= 2.3.1.1 && < 2.7
+    build-depends:
+      Win32 >= 2.3.1.1 && < 2.7
   else
-    build-depends: unix >= 2.7.2 && < 2.8, terminfo >=0.4.0 && < 0.5
+    build-depends:
+      unix >= 2.7.2 && < 2.8,
+      terminfo >=0.4.0 && < 0.5
 
   if impl(ghc>=8.2)
     ghc-options: -fhide-source-paths
@@ -329,8 +355,10 @@ library
 executable gf
   hs-source-dirs: src/programs
   main-is: gf-main.hs
-  default-language:    Haskell2010
+  default-language: Haskell2010
-  build-depends: gf, base
+  build-depends:
+    gf,
+    base
   ghc-options: -threaded
 --ghc-options: -fwarn-unused-imports
 
@@ -344,20 +372,30 @@ executable gf
   if impl(ghc>=8.2)
     ghc-options: -fhide-source-paths
 
-executable pgf-shell
+-- executable pgf-shell
---if !flag(c-runtime)
+-- --if !flag(c-runtime)
-  buildable: False
+--   buildable: False
-  main-is:             pgf-shell.hs
+--   main-is: pgf-shell.hs
-  hs-source-dirs:      src/runtime/haskell-bind/examples
+--   hs-source-dirs: src/runtime/haskell-bind/examples
-  build-depends:       gf, base, containers, mtl, lifted-base
+--   build-depends:
-  default-language:    Haskell2010
+--     gf,
-  if impl(ghc>=7.0)
+--     base,
-    ghc-options: -rtsopts
+--     containers,
+--     mtl,
+--     lifted-base
+--   default-language: Haskell2010
+--   if impl(ghc>=7.0)
+--     ghc-options: -rtsopts
 
 test-suite gf-tests
-  type:           exitcode-stdio-1.0
+  type: exitcode-stdio-1.0
-  main-is:        run.hs
+  main-is: run.hs
   hs-source-dirs: testsuite
-  build-depends:  base>=4.3 && <5, Cabal>=1.8, directory, filepath, process
+  build-depends:
+    base >= 4.9.1 && < 4.15,
+    Cabal >= 1.8,
+    directory >= 1.3.0 && < 1.4,
+    filepath >= 1.4.1 && < 1.5,
+    process >= 1.4.3 && < 1.7
   build-tool-depends: gf:gf
-  default-language:    Haskell2010
+  default-language: Haskell2010