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Monthly Downloads: 24
Programming language: Haskell
License: Apache License 2.0
Tags: Language    
Latest version: v0.2.0.3

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README

Pure Haskell bindings to libclang

Hackage Build Status

A Haskell library for pure C++ code analysis

API examples

Enumerate all function declarations in main.cpp

module Main (main) where

import Control.Monad
import Language.C.Clang

main :: IO ()
main = do
    idx <- createIndex
    tu <- parseTranslationUnit idx "main.cpp" ["-I/usr/local/include"]
    let root = translationUnitCursor tu
        children = cursorChildren root
        functionDecls = filter (\c -> cursorKind c == FunctionDecl) children
    forM_ functionDecls (print . cursorSpelling)

List all function declarations and their types, lens-style

idx <- createIndex
tu <- parseTranslationUnit idx path clangArgs
let funDecs =
      -- fold over cursors recursively
        cursorDescendantsF
      -- finding FunctionDecls...
      . folding (matchKind @'FunctionDecl)
      -- ...that are actually in the given file
      . filtered (isFromMainFile . rangeStart . cursorExtent)
      -- and get their names and types
      . to (\funDec -> cursorSpelling funDec <> " :: " <> typeSpelling (cursorType funDec))
BS.putStrLn $ BS.unlines (translationUnitCursor tu ^.. funDecs)

Development

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