From e538a4f615a2addf718fb0815d55b4130ee1ea0e Mon Sep 17 00:00:00 2001
From: Zoe Roux <zoe.roux@sdg.moe>
Date: Tue, 2 Nov 2021 10:17:48 +0100
Subject: [PATCH] Initial commi

---
 .gitignore         |  3 ++
 ChangeLog.md       |  3 ++
 LICENSE            | 30 ++++++++++++++++++
 Makefile           | 18 +++++++++++
 README.md          |  1 +
 Setup.hs           |  2 ++
 app/Main.hs        |  6 ++++
 hal.cabal          | 61 ++++++++++++++++++++++++++++++++++++
 package.yaml       | 48 ++++++++++++++++++++++++++++
 src/BasicParser.hs | 78 ++++++++++++++++++++++++++++++++++++++++++++++
 src/Lib.hs         |  6 ++++
 stack.yaml         | 67 +++++++++++++++++++++++++++++++++++++++
 stack.yaml.lock    | 12 +++++++
 test/Spec.hs       |  2 ++
 14 files changed, 337 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 ChangeLog.md
 create mode 100644 LICENSE
 create mode 100644 Makefile
 create mode 100644 README.md
 create mode 100644 Setup.hs
 create mode 100644 app/Main.hs
 create mode 100644 hal.cabal
 create mode 100644 package.yaml
 create mode 100644 src/BasicParser.hs
 create mode 100644 src/Lib.hs
 create mode 100644 stack.yaml
 create mode 100644 stack.yaml.lock
 create mode 100644 test/Spec.hs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..312e4ea
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.stack-work/
+*~
+hal
\ No newline at end of file
diff --git a/ChangeLog.md b/ChangeLog.md
new file mode 100644
index 0000000..2da2826
--- /dev/null
+++ b/ChangeLog.md
@@ -0,0 +1,3 @@
+# Changelog for HAL
+
+## Unreleased changes
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..f207616
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright Zoe Roux (c) 2021
+
+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 Zoe Roux 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 COPYRIGHT 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 COPYRIGHT
+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.
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..0976ed4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,18 @@
+NAME = hal
+
+all: $(NAME)
+
+$(NAME):
+	stack build
+	mv `stack path --local-install-root`/bin/$(NAME)-exe $(NAME)
+
+clean:
+	stack clean
+
+fclean:
+	stack clean
+	$(RM) $(NAME)
+
+re: fclean all
+
+.PHONY = all clean fclean re $(NAME)
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..9075e42
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+# HAL
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
index 0000000..9a994af
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/app/Main.hs b/app/Main.hs
new file mode 100644
index 0000000..de1c1ab
--- /dev/null
+++ b/app/Main.hs
@@ -0,0 +1,6 @@
+module Main where
+
+import Lib
+
+main :: IO ()
+main = someFunc
diff --git a/hal.cabal b/hal.cabal
new file mode 100644
index 0000000..f8867e3
--- /dev/null
+++ b/hal.cabal
@@ -0,0 +1,61 @@
+cabal-version: 1.12
+
+-- This file has been generated from package.yaml by hpack version 0.34.4.
+--
+-- see: https://github.com/sol/hpack
+
+name:           hal
+version:        0.1.0.0
+description:    Please see the README on GitHub at <https://github.com/AnonymusRaccoon/HAL#readme>
+homepage:       https://github.com/AnonymusRaccoon/HAL#readme
+bug-reports:    https://github.com/AnonymusRaccoon/HAL/issues
+author:         Zoe Roux
+maintainer:     zoe.roux@sdg.moe
+copyright:      2021 Zoe Roux
+license:        BSD3
+license-file:   LICENSE
+build-type:     Simple
+extra-source-files:
+    README.md
+    ChangeLog.md
+
+source-repository head
+  type: git
+  location: https://github.com/AnonymusRaccoon/HAL
+
+library
+  exposed-modules:
+      BasicParser
+      Lib
+  other-modules:
+      Paths_hal
+  hs-source-dirs:
+      src
+  build-depends:
+      base >=4.7 && <5
+  default-language: Haskell2010
+
+executable hal-exe
+  main-is: Main.hs
+  other-modules:
+      Paths_hal
+  hs-source-dirs:
+      app
+  ghc-options: -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.7 && <5
+    , hal
+  default-language: Haskell2010
+
+test-suite hal-test
+  type: exitcode-stdio-1.0
+  main-is: Spec.hs
+  other-modules:
+      Paths_hal
+  hs-source-dirs:
+      test
+  ghc-options: -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.7 && <5
+    , hal
+  default-language: Haskell2010
diff --git a/package.yaml b/package.yaml
new file mode 100644
index 0000000..913dde8
--- /dev/null
+++ b/package.yaml
@@ -0,0 +1,48 @@
+name:                hal
+version:             0.1.0.0
+github:              "AnonymusRaccoon/HAL"
+license:             BSD3
+author:              "Zoe Roux"
+maintainer:          "zoe.roux@sdg.moe"
+copyright:           "2021 Zoe Roux"
+
+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/AnonymusRaccoon/HAL#readme>
+
+dependencies:
+- base >= 4.7 && < 5
+
+library:
+  source-dirs: src
+
+executables:
+  hal-exe:
+    main:                Main.hs
+    source-dirs:         app
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - hal
+
+tests:
+  hal-test:
+    main:                Spec.hs
+    source-dirs:         test
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - hal
diff --git a/src/BasicParser.hs b/src/BasicParser.hs
new file mode 100644
index 0000000..49eb8b0
--- /dev/null
+++ b/src/BasicParser.hs
@@ -0,0 +1,78 @@
+module BasicParser where
+
+import Control.Applicative ( Alternative(..) )
+import Data.Char ( isDigit, isNumber )
+import Text.Read ( readMaybe )
+
+data Parser a = Parser {
+    parse :: String -> (Maybe a, String)
+}
+
+instance Functor Parser where
+    -- fmap :: (a -> b) -> f a -> f b
+    fmap f p = Parser $ \x -> case parse p x of
+                                   (Just ret, str) -> (Just $ f ret, str)
+                                   (Nothing, rest) -> (Nothing, rest)
+
+instance Applicative Parser where
+    -- pure :: a -> f a
+    pure val = Parser $ \x -> (Just val, x)
+
+    -- (<*>) :: f (a -> b) -> f a -> f b
+    (<*>) f p = Parser $ \x ->
+        case parse f x of
+             (Just func, lo) -> case parse p lo of
+                                     (Just value, lob) -> (Just $ func value, lob)
+                                     (Nothing, lob) -> (Nothing, lob)
+             (Nothing, lob) -> (Nothing, lob)
+
+instance Alternative Parser where
+    -- empty :: f a
+    empty = Parser $ \x -> (Nothing, x)
+
+    -- (<|>) :: f a -> f a -> f a
+    (<|>) f s = Parser $ \x -> case parse f x of
+                                    ret@(Just _, _) -> ret
+                                    (Nothing, _) -> parse s x
+
+instance Monad Parser where
+    -- (>>=) :: forall a b. m a -> (a -> m b) -> m b
+    (>>=) v f = Parser $ \x -> case parse v x of
+                                    (Just val, lo) -> parse (f val) lo
+                                    (Nothing, lo) -> (Nothing, lo)
+
+char :: Parser Char
+char = charIf (const True)
+
+charIf :: (Char -> Bool) -> Parser Char
+charIf predicate = Parser subParse
+    where
+        subParse :: String -> (Maybe Char, String)
+        subParse [] = (Nothing, "")
+        subParse (c:cs)
+            | predicate c = (Just c, cs)
+            | otherwise = (Nothing, c:cs)
+
+digit :: Parser Char
+digit = charIf isDigit
+
+int :: Parser Int
+int = (charIf (== '-') >> (negate . read <$> some digit))
+    <|> read <$> some digit
+
+unMaybe :: Parser (Maybe a) -> Parser a
+unMaybe p = Parser $ \x -> case parse p x of
+                                (Just (Just a), lo) -> (Just a, lo)
+                                (Just Nothing, lo) -> (Nothing, lo)
+                                (Nothing, lo) -> (Nothing, lo)
+
+float :: Parser Float
+float = 
+    (charIf (== '-') >> (negate <$> unMaybe floating))
+    <|> (charIf (== '+') >> unMaybe floating)
+    <|> unMaybe floating
+    where
+        floating :: Parser (Maybe Float)
+        floating = do
+            value <- many $ charIf (\x -> isNumber x || x == '.')
+            return $ readMaybe value
diff --git a/src/Lib.hs b/src/Lib.hs
new file mode 100644
index 0000000..d36ff27
--- /dev/null
+++ b/src/Lib.hs
@@ -0,0 +1,6 @@
+module Lib
+    ( someFunc
+    ) where
+
+someFunc :: IO ()
+someFunc = putStrLn "someFunc"
diff --git a/stack.yaml b/stack.yaml
new file mode 100644
index 0000000..73e4e2d
--- /dev/null
+++ b/stack.yaml
@@ -0,0 +1,67 @@
+# 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-18.10
+# 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/18/10.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: ">=2.7"
+#
+# 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
diff --git a/stack.yaml.lock b/stack.yaml.lock
new file mode 100644
index 0000000..d32d066
--- /dev/null
+++ b/stack.yaml.lock
@@ -0,0 +1,12 @@
+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+snapshots:
+- original: lts-18.10
+  completed:
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/18/10.yaml
+    sha256: 88b4f81e162ba3adc230a9fcccc4d19ac116377656bab56c7382ca88598b257a
+    size: 587546
+packages: []
diff --git a/test/Spec.hs b/test/Spec.hs
new file mode 100644
index 0000000..cd4753f
--- /dev/null
+++ b/test/Spec.hs
@@ -0,0 +1,2 @@
+main :: IO ()
+main = putStrLn "Test suite not yet implemented"