Initial sketleton

Author: gdevanla

.gitignore

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+*~
+*.swp
+tarballs/
+.stack-work/

ChangeLog.md

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+# Changelog for haskell-lox
+
+## Unreleased changes

LICENSE

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+Copyright Author name here (c) 2019
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Author name here nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE 2021 Author name here HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 2021 Author name here
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+# haskell-lox
+
+## Execute  
+
+* Run `stack exec -- haskell-lox-exe` to see "We're inside the application!"
+* With `stack exec -- haskell-lox-exe --verbose` you will see the same message, with more logging.
+
+## Run tests
+
+`stack test`

Setup.hs

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+import Distribution.Simple
+main = defaultMain

app/.#Main.hs

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+devanla@is-devanla-01.30804:1629298645

app/Main.hs

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+{-# LANGUAGE NoImplicitPrelude #-}
+{-# LANGUAGE TemplateHaskell #-}
+module Main (main) where
+
+import Import
+import Run
+import RIO.Process
+import Options.Applicative.Simple
+import qualified Paths_haskell_lox
+
+main :: IO ()
+main = do
+  (options, ()) <- simpleOptions
+    $(simpleVersion Paths_haskell_lox.version)
+    "Header for command line arguments"
+    "Program description, also for command line arguments"
+    (Options
+       <$> switch ( long "verbose"
+                 <> short 'v'
+                 <> help "Verbose output?"
+                  )
+    )
+    empty
+  lo <- logOptionsHandle stderr (optionsVerbose options)
+  pc <- mkDefaultProcessContext
+  withLogFunc lo $ \lf ->
+    let app = App
+          { appLogFunc = lf
+          , appProcessContext = pc
+          , appOptions = options
+          }
+     in runRIO app run

package.yaml

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+name:                haskell-lox
+version:             0.1.0.0
+github:              githubuser/haskell-lox
+license:             BSD3
+author:              Author name here
+maintainer:          [email protected]
+copyright:           2021 Author name here
+
+extra-source-files:
+- README.md
+- ChangeLog.md
+
+# Metadata used when publishing your package
+# synopsis:            Short description of your package
+# category:            Web
+
+# To avoid duplicated efforts in documentation and dealing with the
+# complications of embedding Haddock markup inside cabal files, it is
+# common to point users to the README.md file.
+description:         Please see the README on Github at <https://github.com/githubuser/haskell-lox#readme>
+
+dependencies:
+- base >= 4.11 && < 10
+- rio >= 0.1.12.0
+- array >= 0.5.4.0
+- text >= 1.2.4.1
+- directory >= 1.3.6.0
+- filepath >= 1.4.2.1
+- regex-tdfa >= 1.3.1
+- utf8-string >= 1
+- bytestring >= 0.10.12.0
+- optparse-simple >= 0.1.1.3
+
+
+ghc-options:
+- -Wall
+- -Wcompat
+- -Widentities
+- -Wincomplete-record-updates
+- -Wincomplete-uni-patterns
+- -Wpartial-fields
+- -Wredundant-constraints
+
+library:
+  source-dirs: src
+
+executables:
+  haskell-lox-exe:
+    main:                Main.hs
+    source-dirs:         app
+    dependencies:
+    - haskell-lox
+    - optparse-simple
+
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+
+tests:
+  haskell-lox-test-1:
+    main:                test_lexer.hs
+    source-dirs:         test
+    dependencies:
+    - haskell-lox
+    - tasty
+    - HUnit
+    - tasty-hunit
+    - hspec
+    - tasty
+
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N

src/Import.hs

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+{-# LANGUAGE NoImplicitPrelude #-}
+module Import
+  ( module RIO
+  , module Types
+  ) where
+
+import RIO
+import Types

src/Run.hs

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+{-# LANGUAGE NoImplicitPrelude #-}
+{-# LANGUAGE OverloadedStrings #-}
+module Run (run) where
+
+import Import
+
+run :: RIO App ()
+run = do
+  logInfo "We're inside the application!"

src/Types.hs

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+{-# LANGUAGE NoImplicitPrelude #-}
+module Types where
+
+import RIO
+import RIO.Process
+
+-- | Command line arguments
+data Options = Options
+  { optionsVerbose :: !Bool
+  }
+
+data App = App
+  { appLogFunc :: !LogFunc
+  , appProcessContext :: !ProcessContext
+  , appOptions :: !Options
+  -- Add other app-specific configuration information here
+  }
+
+instance HasLogFunc App where
+  logFuncL = lens appLogFunc (\x y -> x { appLogFunc = y })
+instance HasProcessContext App where
+  processContextL = lens appProcessContext (\x y -> x { appProcessContext = y })

src/Util.hs

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+{-# LANGUAGE NoImplicitPrelude #-}
+-- | Silly utility module, used to demonstrate how to write a test
+-- case.
+module Util
+  ( plus2
+  ) where
+
+import RIO
+
+plus2 :: Int -> Int
+plus2 = (+ 2)

stack.yaml

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+# This file was automatically generated by 'stack init'
+#
+# Some commonly used options have been documented as comments in this file.
+# For advanced use and comprehensive documentation of the format, please see:
+# https://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# Resolver to choose a 'specific' stackage snapshot or a compiler version.
+# A snapshot resolver dictates the compiler version and the set of packages
+# to be used for project dependencies. For example:
+#
+# resolver: lts-3.5
+# resolver: nightly-2015-09-21
+# resolver: ghc-7.10.2
+#
+# The location of a snapshot can be provided as a file or url. Stack assumes
+# a snapshot provided as a file might change, whereas a url resource does not.
+#
+# resolver: ./custom-snapshot.yaml
+# resolver: https://example.com/snapshots/2018-01-01.yaml
+resolver:
+  url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/18/7.yaml
+
+# User packages to be built.
+# Various formats can be used as shown in the example below.
+#
+# packages:
+# - some-directory
+# - https://example.com/foo/bar/baz-0.0.2.tar.gz
+#   subdirs:
+#   - auto-update
+#   - wai
+packages:
+- .
+# Dependency packages to be pulled from upstream that are not in the resolver.
+# These entries can reference officially published versions as well as
+# forks / in-progress versions pinned to a git hash. For example:
+#
+# extra-deps:
+# - acme-missiles-0.3
+# - git: https://github.com/commercialhaskell/stack.git
+#   commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+#
+# extra-deps: []
+
+# Override default flag values for local packages and extra-deps
+# flags: {}
+
+# Extra package databases containing global packages
+# extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+#
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: ">=2.5"
+#
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+#
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+#
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor

test/UtilSpec.hs

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+{-# LANGUAGE NoImplicitPrelude #-}
+module UtilSpec (spec) where
+
+import Import
+import Util
+import Test.Hspec
+import Test.Hspec.QuickCheck
+
+spec :: Spec
+spec = do
+  describe "plus2" $ do
+    it "basic check" $ plus2 0 `shouldBe` 2
+    it "overflow" $ plus2 maxBound `shouldBe` minBound + 1
+    prop "minus 2" $ \i -> plus2 i - 2 `shouldBe` i

test/test_lexer.hs

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+import RIO
+import System.IO
+import qualified RIO.Text as T
+import qualified Data.Text as T
+import qualified Data.List as L
+import Prelude (print, read)
+import Test.Tasty
+import Test.Tasty.HUnit
+import Text.Regex.TDFA
+import Data.Array
+
+import System.FilePath
+import System.Directory (listDirectory)
+
+
+test1 = testCase "test" $ do
+  1 @?= 1
+
+main = do
+  defaultMain $ testGroup "tokenizer_tests_example_1" [test1]