59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* Test pragma pop_macro and push_macro directives from
|
|
http://msdn.microsoft.com/en-us/library/hsttss76.aspx */
|
|
|
|
// pop_macro: Sets the value of the macro_name macro to the value on the top of
|
|
// the stack for this macro.
|
|
// #pragma pop_macro("macro_name")
|
|
// push_macro: Saves the value of the macro_name macro on the top of the stack
|
|
// for this macro.
|
|
// #pragma push_macro("macro_name")
|
|
//
|
|
// RUN: %clang_cc1 -fms-extensions -E %s -o - | FileCheck %s
|
|
|
|
#define X 1
|
|
#define Y 2
|
|
int pmx0 = X;
|
|
int pmy0 = Y;
|
|
#define Y 3
|
|
#pragma push_macro("Y")
|
|
#pragma push_macro("X")
|
|
int pmx1 = X;
|
|
#define X 2
|
|
int pmx2 = X;
|
|
#pragma pop_macro("X")
|
|
int pmx3 = X;
|
|
#pragma pop_macro("Y")
|
|
int pmy1 = Y;
|
|
|
|
// Have a stray 'push' to show we don't crash when having imbalanced
|
|
// push/pop
|
|
#pragma push_macro("Y")
|
|
#define Y 4
|
|
int pmy2 = Y;
|
|
|
|
// The sequence push, define/undef, pop caused problems if macro was not
|
|
// previously defined.
|
|
#pragma push_macro("PREVIOUSLY_UNDEFINED1")
|
|
#undef PREVIOUSLY_UNDEFINED1
|
|
#pragma pop_macro("PREVIOUSLY_UNDEFINED1")
|
|
#ifndef PREVIOUSLY_UNDEFINED1
|
|
int Q;
|
|
#endif
|
|
|
|
#pragma push_macro("PREVIOUSLY_UNDEFINED2")
|
|
#define PREVIOUSLY_UNDEFINED2
|
|
#pragma pop_macro("PREVIOUSLY_UNDEFINED2")
|
|
#ifndef PREVIOUSLY_UNDEFINED2
|
|
int P;
|
|
#endif
|
|
|
|
// CHECK: int pmx0 = 1
|
|
// CHECK: int pmy0 = 2
|
|
// CHECK: int pmx1 = 1
|
|
// CHECK: int pmx2 = 2
|
|
// CHECK: int pmx3 = 1
|
|
// CHECK: int pmy1 = 3
|
|
// CHECK: int pmy2 = 4
|
|
// CHECK: int Q;
|
|
// CHECK: int P;
|