error.txt

/Users/zacharycarter/dev/junkers/src/ozz.nim(38, 7) Hint: 'f' is declared but not used [XDeclaredButNotUsed]
/Users/zacharycarter/dev/junkers/src/ozz.nim(32, 6) Hint: 'constructStream' is declared but not used [XDeclaredButNotUsed]
CC: ozz.nim
/Users/zacharycarter/.cache/nim/ozz_d/@mozz.nim.cpp:62:29: error: no matching constructor for initialization of 'ozz::io::File'
N_LIB_PRIVATE ozz::io::File f__bB9c2jWHU9cutANbte9by7cXw;
                            ^
/Users/zacharycarter/dev/junkers/lib/ozz-animation/include/ozz/base/io/stream.h:103:12: note: candidate constructor not viable: requires single argument '_file', but no
      arguments were provided
  explicit File(void* _file);
           ^
/Users/zacharycarter/dev/junkers/lib/ozz-animation/include/ozz/base/io/stream.h:89:7: note: candidate constructor (the implicit copy constructor) not viable: requires 1
      argument, but 0 were provided
class File : public Stream {
      ^
/Users/zacharycarter/dev/junkers/lib/ozz-animation/include/ozz/base/io/stream.h:99:3: note: candidate constructor not viable: requires 2 arguments, but 0 were provided
  File(const char* _filename, const char* _mode);
  ^
1 error generated.
Error: execution of an external compiler program 'clang++ -c -std=gnu++14 -funsigned-char  -Ilib/ozz-animation/include  -I/Users/zacharycarter/dev/Nim/lib -I/Users/zacharycarter/dev/junkers/src -o /Users/zacharycarter/.cache/nim/ozz_d/@mozz.nim.cpp.o /Users/zacharycarter/.cache/nim/ozz_d/@mozz.nim.cpp' failed with exit code: 1

generated.cpp

/* Generated by Nim Compiler v1.3.5 */
/*   (c) 2020 Andreas Rumpf */
/* The generated code is subject to the original license. */
/* Compiled for: MacOSX, amd64, clang */
/* Command for C compiler:
   clang++ -c -std=gnu++14 -funsigned-char  -Ilib/ozz-animation/include  -I/Users/zacharycarter/dev/Nim/lib -I/Users/zacharycarter/dev/junkers/src -o /Users/zacharycarter/.cache/nim/ozz_d/@mozz.nim.cpp.o /Users/zacharycarter/.cache/nim/ozz_d/@mozz.nim.cpp */
#define NIM_INTBITS 64

/* section: NIM_merge_HEADERS */

#include "nimbase.h"
#include "/Users/zacharycarter/dev/junkers/lib/ozz-animation/include/ozz/base/io/stream.h"
#undef LANGUAGE_C
#undef MIPSEB
#undef MIPSEL
#undef PPC
#undef R3000
#undef R4000
#undef i386
#undef linux
#undef mips
#undef near
#undef far
#undef powerpc
#undef unix

/* section: NIM_merge_FRAME_DEFINES */
  #  define nimfr_(proc, file) \
      TFrame FR_; \
      FR_.procname = proc; FR_.filename = file; FR_.line = 0; FR_.len = 0; nimFrame(&FR_);

  #  define nimfrs_(proc, file, slots, length) \
      struct {TFrame* prev;NCSTRING procname;NI line;NCSTRING filename; NI len; VarSlot s[slots];} FR_; \
      FR_.procname = proc; FR_.filename = file; FR_.line = 0; FR_.len = length; nimFrame((TFrame*)&FR_);

  #  define nimln_(n, file) \
      FR_.line = n; FR_.filename = file;
  
/* section: NIM_merge_FORWARD_TYPES */
struct TNimType;

/* section: NIM_merge_TYPES */
struct TNimType {
void* destructor;
NI size;
NI align;
NCSTRING name;
void* traceImpl;
void* disposeImpl;
};

/* section: NIM_merge_PROC_HEADERS */
static N_INLINE(void, initStackBottomWith)(void* locals);
static N_INLINE(void, nimFrame)(TFrame* s);
N_LIB_PRIVATE N_NOINLINE(void, callDepthLimitReached__mMRdr4sgmnykA9aWeM9aDZlw)(void);
static N_INLINE(void, popFrame)(void);
N_LIB_PRIVATE N_NIMCALL(void, systemDatInit000)(void);
N_LIB_PRIVATE N_NIMCALL(void, systemInit000)(void);
N_LIB_PRIVATE N_NIMCALL(void, NimMainModule)(void);

/* section: NIM_merge_VARS */
N_LIB_PRIVATE ozz::io::File f__bB9c2jWHU9cutANbte9by7cXw;
extern TFrame* framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw;
extern TFrame* framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw;
extern TFrame* framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw;
extern TFrame* framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw;
extern TFrame* framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw;
extern TFrame* framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw;

/* section: NIM_merge_PROCS */
static N_INLINE(void, initStackBottomWith)(void* locals) {
}
static N_INLINE(void, nimFrame)(TFrame* s) {
	{
		if (!(framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw == NIM_NIL)) goto LA3_;
{		(*s).calldepth = ((NI16) 0);
}	}
	goto LA1_;
	LA3_: ;
	{
		(*s).calldepth = (NI16)((*framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw).calldepth + ((NI16) 1));
	}
	LA1_: ;
	(*s).prev = framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw;
	framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw = s;
	{
		if (!((*s).calldepth == ((NI16) 2000))) goto LA8_;
{		callDepthLimitReached__mMRdr4sgmnykA9aWeM9aDZlw();
}	}
	LA8_: ;
}
static N_INLINE(void, popFrame)(void) {
	framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw = (*framePtr__HRfVMH3jYeBJz6Q6X9b6Ptw).prev;
}

N_LIB_PRIVATE void PreMainInner(void) {
}

N_LIB_PRIVATE int cmdCount;
N_LIB_PRIVATE char** cmdLine;
N_LIB_PRIVATE char** gEnv;
N_LIB_PRIVATE void PreMain(void) {
	void (*volatile inner)(void);
	inner = PreMainInner;
	systemDatInit000();
	initStackBottomWith((void *)&inner);
	systemInit000();
	(*inner)();
}

N_LIB_PRIVATE N_CDECL(void, NimMainInner)(void) {
	NimMainModule();
}

N_CDECL(void, NimMain)(void) {
	void (*volatile inner)(void);
	PreMain();
	inner = NimMainInner;
	initStackBottomWith((void *)&inner);
	(*inner)();
}

int main(int argc, char** args, char** env) {
	cmdLine = args;
	cmdCount = argc;
	gEnv = env;
	NimMain();
	return nim_program_result;
}

N_LIB_PRIVATE N_NIMCALL(void, NimMainModule)(void) {
{
	nimfr_("ozz", "/Users/zacharycarter/dev/junkers/src/ozz.nim");
	nimln_(38, "/Users/zacharycarter/dev/junkers/src/ozz.nim");
	f__bB9c2jWHU9cutANbte9by7cXw = ozz::io::File("skeleton.ozz", "rb");
	popFrame();
}
}

ozz.nim

import os

const
  ozzIncludePath = currentSourcePath.parentDir().parentDir()/"lib/ozz-animation/include"

type
  Stream* {.importcpp: "ozz::io::stream", header: ozzIncludePath/"ozz/base/io/stream.h", inheritable.} = object
  File* {.importcpp: "ozz::io::File", header: ozzIncludePath/"ozz/base/io/stream.h".} = object of Stream
  
proc constructStream():Stream {.constructor, importcpp: "ozz::io::Stream()", header: ozzIncludePath/"ozz/base/io/stream.h".}
proc constructFile*(): File {.constructor, importcpp: "ozz::io::File()", header: ozzIncludePath/"ozz/base/io/stream.h".}
proc constructFile*(filename: cstring; mode: cstring): File {.constructor, importcpp: "ozz::io::File(@)", header: ozzIncludePath/"ozz/base/io/stream.h".}
proc constructFile*(file: pointer): File {.constructor, importcpp: "ozz::io::File(@)", header: ozzIncludePath/"ozz/base/io/stream.h".}

when isMainModule:
  let f = constructFile("skeleton.ozz", "rb")