Commit 01b2ec1c authored by Stefan Behnel's avatar Stefan Behnel

big rewrite for the print statement in Py2 to provide the same interface in Py2 and Py3

parent 039a916f
......@@ -2496,12 +2496,14 @@ class PrintStatNode(StatNode):
# print statement
#
# arg_tuple TupleNode
# add_newline boolean
# append_newline boolean
child_attrs = ["arg_tuple"]
def analyse_expressions(self, env):
self.arg_tuple.analyse_expressions(env)
self.arg_tuple = self.arg_tuple.coerce_to_pyobject(env)
self.arg_tuple.release_temp(env)
env.use_utility_code(printing_utility_code)
return
for i in range(len(self.args)):
......@@ -2514,30 +2516,16 @@ class PrintStatNode(StatNode):
#env.recycle_pending_temps() # TEMPORARY
def generate_execution_code(self, code):
code.putln("#if PY_MAJOR_VERSION < 3")
for arg in self.arg_tuple.args:
arg.generate_evaluation_code(code)
code.putln(
"if (__Pyx_PrintItem(%s) < 0) %s" % (
arg.py_result(),
code.error_goto(self.pos)))
arg.generate_disposal_code(code)
if self.add_newline:
code.putln(
"if (__Pyx_PrintNewline() < 0) %s" %
code.error_goto(self.pos))
code.putln("#else") # Python 3 has a print() function
self.arg_tuple.generate_result_code(code)
self.arg_tuple.generate_evaluation_code(code)
code.putln(
"if (__Pyx_Print(%s, %d) < 0) %s" % (
self.arg_tuple.py_result(),
self.add_newline,
self.append_newline,
code.error_goto(self.pos)))
code.putln("#endif")
self.arg_tuple.generate_disposal_code(code)
def annotate(self, code):
for arg in self.arg_tuple.args:
arg.annotate(code)
self.arg_tuple.annotate(code)
class DelStatNode(StatNode):
......@@ -3770,13 +3758,10 @@ else:
printing_utility_code = [
"""
#if PY_MAJOR_VERSION < 3
static int __Pyx_PrintItem(PyObject *); /*proto*/
static int __Pyx_PrintNewline(void); /*proto*/
#else
static int __Pyx_Print(PyObject *, int); /*proto*/
#if PY_MAJOR_VERSION >= 3
static PyObject* %s = 0;
static PyObject* %s = 0;
static int __Pyx_Print(PyObject *, int newline); /*proto*/
#endif
""" % (Naming.print_function, Naming.print_function_kwargs), r"""
#if PY_MAJOR_VERSION < 3
......@@ -3788,15 +3773,19 @@ static PyObject *__Pyx_GetStdout(void) {
return f;
}
static int __Pyx_PrintItem(PyObject *v) {
static int __Pyx_Print(PyObject *arg_tuple, int newline) {
PyObject *f;
PyObject* v;
int i;
if (!(f = __Pyx_GetStdout()))
return -1;
for (i=0; i < PyTuple_GET_SIZE(arg_tuple); i++) {
if (PyFile_SoftSpace(f, 1)) {
if (PyFile_WriteString(" ", f) < 0)
return -1;
}
v = PyTuple_GET_ITEM(arg_tuple, i);
if (PyFile_WriteObject(v, f, Py_PRINT_RAW) < 0)
return -1;
if (PyString_Check(v)) {
......@@ -3807,19 +3796,15 @@ static int __Pyx_PrintItem(PyObject *v) {
s[len-1] != ' ')
PyFile_SoftSpace(f, 0);
}
return 0;
}
static int __Pyx_PrintNewline(void) {
PyObject *f;
if (!(f = __Pyx_GetStdout()))
return -1;
}
if (newline) {
if (PyFile_WriteString("\n", f) < 0)
return -1;
PyFile_SoftSpace(f, 0);
}
return 0;
}
#else /* Python 3 has a print function */
static int __Pyx_Print(PyObject *arg_tuple, int newline) {
PyObject* kwargs = 0;
......@@ -3828,19 +3813,19 @@ static int __Pyx_Print(PyObject *arg_tuple, int newline) {
if (!%(PRINT_FUNCTION)s) {
%(PRINT_FUNCTION)s = PyObject_GetAttrString(%(BUILTINS)s, "print");
if (!%(PRINT_FUNCTION)s)
goto bad;
return -1;
}
if (!newline) {
if (!%(PRINT_KWARGS)s) {
%(PRINT_KWARGS)s = PyDict_New();
if (!%(PRINT_KWARGS)s)
goto bad;
return -1;
end_string = PyUnicode_FromStringAndSize(" ", 1);
if (!end_string)
goto bad;
return -1;
if (PyDict_SetItemString(%(PRINT_KWARGS)s, "end", end_string) < 0) {
Py_DECREF(end_string);
goto bad;
return -1;
}
Py_DECREF(end_string);
}
......@@ -3848,13 +3833,9 @@ static int __Pyx_Print(PyObject *arg_tuple, int newline) {
}
result = PyObject_Call(%(PRINT_FUNCTION)s, arg_tuple, kwargs);
if (!result)
goto bad;
return -1;
Py_DECREF(result);
Py_DECREF(arg_tuple);
return 0;
bad:
Py_DECREF(arg_tuple);
return -1;
}
#endif
""" % {'BUILTINS' : Naming.builtins_cname,
......
......@@ -836,7 +836,7 @@ def p_print_statement(s):
args.append(p_simple_expr(s))
arg_tuple = ExprNodes.TupleNode(pos, args = args)
return Nodes.PrintStatNode(pos,
arg_tuple = arg_tuple, add_newline = not ends_with_comma)
arg_tuple = arg_tuple, append_newline = not ends_with_comma)
def p_del_statement(s):
# s.sy == 'del'
......
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