A D program to analyse a C/C++ file supplied through the command line using the D bindings for libclang

testclang.d

import std.stdio;
import std.string;

import deimos.clang.index;

//Purpose: analyse a C/C++ file supplied through the command line using libclang
//How to compile:-
//dmd -c -gc testclang.d
//g++ -g -I../llvm/tools/clang/include -L../llvm/build/Debug+Asserts/lib -o testclang testclang.o -lclang -lphobos2 -lrt
//Note: libclang.so must be in the search path for this to work.

void main(string[] args)
{
    CXIndex index = clang_createIndex(0, 0);

    CXTranslationUnit tu = clang_parseTranslationUnit(index
                                                        , cast(char*)std.string.toStringz(args[1])
                                                        , null
                                                        , 0
                                                        , null
                                                        , 0
                                                        , CXTranslationUnit_Flags.CXTranslationUnit_None);

    writefln("tu=%s", tu);

    for(uint i = 0, n = clang_getNumDiagnostics(tu); i != n; ++i)
    {

        CXDiagnostic diag = clang_getDiagnostic(tu, i);

        writefln("diag=%s", diag);
        
        uint options = clang_defaultDiagnosticDisplayOptions();

        //BUG: Wrong calling convention used by the D compiler?
        CXString str = clang_formatDiagnostic(diag, options);

        stderr.writeln(clang_getCString(str));
    }

    clang_disposeTranslationUnit(tu);
    clang_disposeIndex(index);
}