lambda-ast (empty) → 0.0.1

raw patch · 4 files changed

+73/−0 lines, 4 filesdep +basesetup-changed

Dependencies added: base

Files

LICENSE +30/−0
Setup.hs +2/−0
lambda-ast.cabal +23/−0
src/Language/Lambda/AST.hs +18/−0

+ LICENSE view

@@ -0,0 +1,30 @@+Copyright (c)2012, Jonathan Fischoff++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 Jonathan Fischoff 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.

+ Setup.hs view

@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain

+ lambda-ast.cabal view

@@ -0,0 +1,23 @@+category:               Compilers/Interpreters+copyright:              (c) 2012 Jonathan Fischoff +name:                   lambda-ast+version:                0.0.1+license:                BSD3+license-file:           LICENSE+author:                 Jonathan Fischoff+maintainer:             jonathangfischoff@gmail.com+synopsis:               Untyped Lambda Calculus Abstract Syntax Tree+description:            An AST for the untyped lambda calculus. The AST is parameterized by symbol type.++stability:              experimental+build-type:             Simple+cabal-version:          >= 1.10.1.0+tested-with:            GHC == 7.2.2++library+  hs-source-dirs:         src+  default-language:       Haskell98+  exposed-modules:        Language.Lambda.AST+  ghc-options:            -Wall+  Build-depends:          base < 6.0+

+ src/Language/Lambda/AST.hs view

@@ -0,0 +1,18 @@+{- | An Untyped Lambda Calculus AST -}+module Language.Lambda.AST where++-- | A polymorphic version of the AST to allow different symbol types+data GExpr a = Var a+             | App (GExpr a) (GExpr a)+             | Lam a         (GExpr a)+     deriving(Show, Eq)+             +-- | A common symbol type choice+type Sym  = String++-- | A common AST+type Expr = GExpr Sym++++