more low-hanging fruit to make code compile under a C++ compiler. Not

entirely happy with the two new VISIT macros in compile.c, but I
couldn't see a better approach.

Parser/pgenmain.c

@@ -136,7 +136,7 @@ char *
 PyOS_Readline(FILE *sys_stdin, FILE *sys_stdout, char *prompt)
 {
 	size_t n = 1000;
-	char *p = PyMem_MALLOC(n);
+	char *p = (char *)PyMem_MALLOC(n);
 	char *q;
 	if (p == NULL)
 		return NULL;
@@ -149,7 +149,7 @@ PyOS_Readline(FILE *sys_stdin, FILE *sys_stdout, char *prompt)
 	n = strlen(p);
 	if (n > 0 && p[n-1] != '\n')
 		p[n-1] = '\n';
-	return PyMem_REALLOC(p, n+1);
+	return (char *)PyMem_REALLOC(p, n+1);
 }
 
 /* No-nonsense fgets */

Python/future.c

@@ -19,7 +19,7 @@ future_check_features(PyFutureFeatures *ff, stmt_ty s, const char *filename)
 
 	names = s->v.ImportFrom.names;
 	for (i = 0; i < asdl_seq_LEN(names); i++) {
-                alias_ty name = asdl_seq_GET(names, i);
+                alias_ty name = (alias_ty)asdl_seq_GET(names, i);
 		const char *feature = PyString_AsString(name->name);
 		if (!feature)
 			return 0;
@@ -73,7 +73,7 @@ future_parse(PyFutureFeatures *ff, mod_ty mod, const char *filename)
 	   
 
 	for (i = 0; i < asdl_seq_LEN(mod->v.Module.body); i++) {
-		stmt_ty s = asdl_seq_GET(mod->v.Module.body, i);
+		stmt_ty s = (stmt_ty)asdl_seq_GET(mod->v.Module.body, i);
 
 		if (done && s->lineno > prev_line)
 			return 1;

Python/pyarena.c

@@ -105,14 +105,14 @@ block_alloc(block *b, size_t size)
 		   the default block, allocate a one-off block that is
 		   exactly the right size. */
 		/* TODO(jhylton): Think about space waste at end of block */
-		block *new = block_new(
+		block *newbl = block_new(
 				size < DEFAULT_BLOCK_SIZE ?
 				DEFAULT_BLOCK_SIZE : size);
-		if (!new)
+		if (!newbl)
 			return NULL;
 		assert(!b->ab_next);
-		b->ab_next = new;
-		b = new;
+		b->ab_next = newbl;
+		b = newbl;
 	}
 
 	assert(b->ab_offset + size <= b->ab_size);

Python/pystate.c

@@ -297,23 +297,23 @@ PyThreadState_Get(void)
 
 
 PyThreadState *
-PyThreadState_Swap(PyThreadState *new)
+PyThreadState_Swap(PyThreadState *newts)
 {
-	PyThreadState *old = _PyThreadState_Current;
+	PyThreadState *oldts = _PyThreadState_Current;
 
-	_PyThreadState_Current = new;
+	_PyThreadState_Current = newts;
 	/* It should not be possible for more than one thread state
 	   to be used for a thread.  Check this the best we can in debug
 	   builds.
 	*/
 #if defined(Py_DEBUG) && defined(WITH_THREAD)
-	if (new) {
+	if (newts) {
 		PyThreadState *check = PyGILState_GetThisThreadState();
-		if (check && check->interp == new->interp && check != new)
+		if (check && check->interp == newts->interp && check != newts)
 			Py_FatalError("Invalid thread state for this thread");
 	}
 #endif
-	return old;
+	return oldts;
 }
 
 /* An extension mechanism to store arbitrary additional per-thread state.
@@ -491,7 +491,7 @@ PyGILState_Ensure(void)
 	   called Py_Initialize() and usually PyEval_InitThreads().
 	*/
 	assert(autoInterpreterState); /* Py_Initialize() hasn't been called! */
-	tcur = PyThread_get_key_value(autoTLSkey);
+	tcur = (PyThreadState *)PyThread_get_key_value(autoTLSkey);
 	if (tcur == NULL) {
 		/* Create a new thread state for this thread */
 		tcur = PyThreadState_New(autoInterpreterState);
@@ -518,7 +518,8 @@ PyGILState_Ensure(void)
 void
 PyGILState_Release(PyGILState_STATE oldstate)
 {
-	PyThreadState *tcur = PyThread_get_key_value(autoTLSkey);
+	PyThreadState *tcur = (PyThreadState *)PyThread_get_key_value(
+                                                                autoTLSkey);
 	if (tcur == NULL)
 		Py_FatalError("auto-releasing thread-state, "
 		              "but no thread-state for this thread");