in.ifdefStack[len(in.ifdefStack)-1] = !in.ifdefStack[len(in.ifdefStack)-1]
	}
}

// #endif processing.
func (in *Input) endif() {
	in.expectNewline("#endif")
	if len(in.ifdefStack) == 0 {
		in.Error("unmatched #endif")
	}
	in.ifdefStack = in.ifdefStack[:len(in.ifdefStack)-1]
}

// #include processing.
func (in *Input) include() {

			"#ifdef B",
			"#define C 1234",
			"#else",
			"#define C 5678",
			"#endif",
			"#endif",
			"C",
		),
		"5678.\n",
	},
	{
		"nested not-taken/would-be-taken #ifdef",
		lines(
			"#define B",
			"#ifdef A",
			"#ifdef B",
			"#define C 1234",
			"#else",
			"#define C 5678",
			"#endif",
			"#endif",
			"C",
		),
		"C.\n",
	},
	{

  #define kSecKeyAlgorithmECDSASignatureDigestX962SHA1 foo()
  static SecKeyAlgorithm foo(void){return NULL;}
#endif
*/
import "C"
import (
	"fmt"
	"testing"
)

func f1() {
	C.SecKeyCreateSignature(0, C.kSecKeyAlgorithmECDSASignatureDigestX962SHA1, 0, nil)
}

func f2(e C.CFErrorRef) {

		}

		ControlPc = context.Rip;
		// Check if we left the user range.
		if (ControlPc < 0x10000) {
			break;
		}

		BackTrace[i] = (PVOID)(ControlPc);
	}
	return i;
#else
	return 0;
#endif
}
*/
import "C"

import (
	"internal/testenv"
	"reflect"
	"runtime"
	"strings"
	"testing"
	"unsafe"
)

// Test that the stack can be unwound through a call out and call back
// into Go.

//
// typedef struct {
// 	int a;
// } issue27340Struct;
//
// static issue27340Struct* issue27340Ptr(issue27340Struct* p) { return p; }
//
// static void issue27340CFunc(issue27340Struct *p) {}
// #endif /* _GNU_MAJOR_ < 5 */
import "C"

func Issue27340GoFunc() {
	var s C.issue27340Struct
	C.issue27340CFunc(C.issue27340Ptr(&s))

  #define kSecKeyAlgorithmECDSASignatureDigestX962SHA1 foo()
  static SecKeyAlgorithm foo(void){return NULL;}
#endif
*/
import "C"
import "testing"

func f1() {
	C.SecKeyCreateSignature(0, C.kSecKeyAlgorithmECDSASignatureDigestX962SHA1, 0, nil)
}

  #define kSecKeyAlgorithmECDSASignatureDigestX962SHA1 foo()
  static SecKeyAlgorithm foo(void){return NULL;}
#endif
*/
import "C"
import (
	"fmt"
	"testing"
)

var _ C.CFStringRef

func f1() {
	C.SecKeyCreateSignature(0, C.kSecKeyAlgorithmECDSASignatureDigestX962SHA1, 0, nil)
}

func f2(e C.CFErrorRef) {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#define issue20266 20266

#ifndef def20266
#error "expected def20266 to be defined"

Input language:

The assembler uses mostly the same syntax for all architectures,
the main variation having to do with addressing modes. Input is
run through a simplified C preprocessor that implements #include,
#define, #ifdef/endif, but not #if or ##.

For more information, see https://golang.org/doc/asm.
*/

//
#if __LP64__
#define CF_IS_TAGGED_OBJ(PTR)	((uintptr_t)(PTR) & 0x1)
#define CF_TAGGED_OBJ_TYPE(PTR)	((uintptr_t)(PTR) & 0xF)
#else
#define CF_IS_TAGGED_OBJ(PTR)	0
#define CF_TAGGED_OBJ_TYPE(PTR)	0
#endif

enum {
    kCFTaggedObjectID_Invalid = 0,
    kCFTaggedObjectID_Atom = (0 << 1) + 1,
    kCFTaggedObjectID_Undefined3 = (1 << 1) + 1,
    kCFTaggedObjectID_Undefined2 = (2 << 1) + 1,