cling/test/Interfaces/compileFunc.C
2014-01-07 12:02:58 +01:00

61 lines
2.1 KiB
C

//------------------------------------------------------------------------------
// CLING - the C++ LLVM-based InterpreterG :)
//
// This file is dual-licensed: you can choose to license it under the University
// of Illinois Open Source License or the GNU Lesser General Public License. See
// LICENSE.TXT for details.
//------------------------------------------------------------------------------
// RUN: %cling -Xclang -verify %s | FileCheck %s
extern "C" int printf(const char*,...);
class Foo {
private:
static int privateFunc() { return 42; }
};
#include "cling/Interpreter/Interpreter.h"
void compileFunc() {
typedef int (*myFunc_t)(int);
const char* myFuncCode = "extern \"C\" int myFunc(int arg) { \n"
"printf(\"arg is %d\\n\", arg); return arg * arg; \n"
"}";
myFunc_t myFuncP = (myFunc_t) gCling->compileFunction("myFunc", myFuncCode);
printf("myFunc returned %d\n", (*myFuncP)(12));
//CHECK: arg is 12
//CHECK: myFunc returned 144
// Test ifUniq == true:
const char* myFuncCode2 = "extern \"C\" int myFunc(int arg) { \n"
"printf(\"arg is %d\\n\", arg); return -1; \n"
"}";
if (gCling->compileFunction("myFunc", myFuncCode2) == myFuncP) {
printf("As expected, myFunc() did not change.\n");
//CHECK: As expected, myFunc() did not change.
}
// Test withAccessControl == false:
const char* myPrivFuncCode = "extern \"C\" int myPrivFunc(int) { \n"
"printf(\"privateFunc() returns %d\\n\", Foo::privateFunc()); return -1; \n"
"}";
myFunc_t myPrivFuncP
= (myFunc_t) gCling->compileFunction("myPrivFunc", myPrivFuncCode,
false /*ifUniq*/,
false /*withAccessControl*/);
printf("myPrivFunc returned %d\n", (*myPrivFuncP)(13));
//CHECK: privateFunc() returns 42
//CHECK: myPrivFunc returned -1
const char* myBadFuncCode = "extern \"C\" int myBadFunc(int) { \n"
"return What; //expected-error@2 {{use of undeclared identifier 'What'}} \n"
"}";
if (!gCling->compileFunction("myBadFunc", myBadFuncCode)) {
printf("As expected, myBadFunc did not compile\n");
//CHECK: myBadFunc did not compile
}
}