gh-105481: do not auto-generate pycore_intrinsics.h (#106913)

4 files changed, 56 insertions, 25 deletions

diff --git a/Python/bytecodes.c b/Python/bytecodes.c
index 81d6f80709a..b9434390ea4 100644
--- a/Python/bytecodes.c
+++ b/Python/bytecodes.c
@@ -698,14 +698,14 @@ dummy_func(
 
         inst(CALL_INTRINSIC_1, (value -- res)) {
             assert(oparg <= MAX_INTRINSIC_1);
-            res = _PyIntrinsics_UnaryFunctions[oparg](tstate, value);
+            res = _PyIntrinsics_UnaryFunctions[oparg].func(tstate, value);
             DECREF_INPUTS();
             ERROR_IF(res == NULL, error);
         }
 
         inst(CALL_INTRINSIC_2, (value2, value1 -- res)) {
             assert(oparg <= MAX_INTRINSIC_2);
-            res = _PyIntrinsics_BinaryFunctions[oparg](tstate, value2, value1);
+            res = _PyIntrinsics_BinaryFunctions[oparg].func(tstate, value2, value1);
             DECREF_INPUTS();
             ERROR_IF(res == NULL, error);
         }
diff --git a/Python/executor_cases.c.h b/Python/executor_cases.c.h
index 90607e86c04..5b38c6a5fd8 100644
--- a/Python/executor_cases.c.h
+++ b/Python/executor_cases.c.h
@@ -558,7 +558,7 @@
             PyObject *value = stack_pointer[-1];
             PyObject *res;
             assert(oparg <= MAX_INTRINSIC_1);
-            res = _PyIntrinsics_UnaryFunctions[oparg](tstate, value);
+            res = _PyIntrinsics_UnaryFunctions[oparg].func(tstate, value);
             Py_DECREF(value);
             if (res == NULL) goto pop_1_error;
             stack_pointer[-1] = res;
@@ -570,7 +570,7 @@
             PyObject *value2 = stack_pointer[-2];
             PyObject *res;
             assert(oparg <= MAX_INTRINSIC_2);
-            res = _PyIntrinsics_BinaryFunctions[oparg](tstate, value2, value1);
+            res = _PyIntrinsics_BinaryFunctions[oparg].func(tstate, value2, value1);
             Py_DECREF(value2);
             Py_DECREF(value1);
             if (res == NULL) goto pop_2_error;
diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h
index c35b81aee88..2d70966aa09 100644
--- a/Python/generated_cases.c.h
+++ b/Python/generated_cases.c.h
@@ -849,7 +849,7 @@
             PyObject *value = stack_pointer[-1];
             PyObject *res;
             assert(oparg <= MAX_INTRINSIC_1);
-            res = _PyIntrinsics_UnaryFunctions[oparg](tstate, value);
+            res = _PyIntrinsics_UnaryFunctions[oparg].func(tstate, value);
             Py_DECREF(value);
             if (res == NULL) goto pop_1_error;
             stack_pointer[-1] = res;
@@ -861,7 +861,7 @@
             PyObject *value2 = stack_pointer[-2];
             PyObject *res;
             assert(oparg <= MAX_INTRINSIC_2);
-            res = _PyIntrinsics_BinaryFunctions[oparg](tstate, value2, value1);
+            res = _PyIntrinsics_BinaryFunctions[oparg].func(tstate, value2, value1);
             Py_DECREF(value2);
             Py_DECREF(value1);
             if (res == NULL) goto pop_2_error;
diff --git a/Python/intrinsics.c b/Python/intrinsics.c
index 037b74ca820..61a8e75872d 100644
--- a/Python/intrinsics.c
+++ b/Python/intrinsics.c
@@ -14,7 +14,7 @@
 /******** Unary functions ********/
 
 static PyObject *
-no_intrinsic(PyThreadState* tstate, PyObject *unused)
+no_intrinsic1(PyThreadState* tstate, PyObject *unused)
 {
     _PyErr_SetString(tstate, PyExc_SystemError, "invalid intrinsic function");
     return NULL;
@@ -203,25 +203,35 @@ make_typevar(PyThreadState* Py_UNUSED(ignored), PyObject *v)
     return _Py_make_typevar(v, NULL, NULL);
 }
 
-const instrinsic_func1
+
+#define INTRINSIC_FUNC_ENTRY(N, F) \
+    [N] = {F, #N},
+
+const intrinsic_func1_info
 _PyIntrinsics_UnaryFunctions[] = {
-    [0] = no_intrinsic,
-    [INTRINSIC_PRINT] = print_expr,
-    [INTRINSIC_IMPORT_STAR] = import_star,
-    [INTRINSIC_STOPITERATION_ERROR] = stopiteration_error,
-    [INTRINSIC_ASYNC_GEN_WRAP] = _PyAsyncGenValueWrapperNew,
-    [INTRINSIC_UNARY_POSITIVE] = unary_pos,
-    [INTRINSIC_LIST_TO_TUPLE] = list_to_tuple,
-    [INTRINSIC_TYPEVAR] = make_typevar,
-    [INTRINSIC_PARAMSPEC] = _Py_make_paramspec,
-    [INTRINSIC_TYPEVARTUPLE] = _Py_make_typevartuple,
-    [INTRINSIC_SUBSCRIPT_GENERIC] = _Py_subscript_generic,
-    [INTRINSIC_TYPEALIAS] = _Py_make_typealias,
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_1_INVALID, no_intrinsic1)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_PRINT, print_expr)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_IMPORT_STAR, import_star)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_STOPITERATION_ERROR, stopiteration_error)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_ASYNC_GEN_WRAP, _PyAsyncGenValueWrapperNew)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_UNARY_POSITIVE, unary_pos)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_LIST_TO_TUPLE, list_to_tuple)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_TYPEVAR, make_typevar)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_PARAMSPEC, _Py_make_paramspec)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_TYPEVARTUPLE, _Py_make_typevartuple)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_SUBSCRIPT_GENERIC, _Py_subscript_generic)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_TYPEALIAS, _Py_make_typealias)
 };
 
 
 /******** Binary functions ********/
 
+static PyObject *
+no_intrinsic2(PyThreadState* tstate, PyObject *unused1, PyObject *unused2)
+{
+    _PyErr_SetString(tstate, PyExc_SystemError, "invalid intrinsic function");
+    return NULL;
+}
 
 static PyObject *
 prep_reraise_star(PyThreadState* unused, PyObject *orig, PyObject *excs)
@@ -246,10 +256,31 @@ make_typevar_with_constraints(PyThreadState* Py_UNUSED(ignored), PyObject *name,
     return _Py_make_typevar(name, NULL, evaluate_constraints);
 }
 
-const instrinsic_func2
+const intrinsic_func2_info
 _PyIntrinsics_BinaryFunctions[] = {
-    [INTRINSIC_PREP_RERAISE_STAR] = prep_reraise_star,
-    [INTRINSIC_TYPEVAR_WITH_BOUND] = make_typevar_with_bound,
-    [INTRINSIC_TYPEVAR_WITH_CONSTRAINTS] = make_typevar_with_constraints,
-    [INTRINSIC_SET_FUNCTION_TYPE_PARAMS] = _Py_set_function_type_params,
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_2_INVALID, no_intrinsic2)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_PREP_RERAISE_STAR, prep_reraise_star)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_TYPEVAR_WITH_BOUND, make_typevar_with_bound)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_TYPEVAR_WITH_CONSTRAINTS, make_typevar_with_constraints)
+    INTRINSIC_FUNC_ENTRY(INTRINSIC_SET_FUNCTION_TYPE_PARAMS, _Py_set_function_type_params)
 };
+
+#undef INTRINSIC_FUNC_ENTRY
+
+PyObject*
+_PyUnstable_GetUnaryIntrinsicName(int index)
+{
+    if (index < 0 || index > MAX_INTRINSIC_1) {
+        return NULL;
+    }
+    return PyUnicode_FromString(_PyIntrinsics_UnaryFunctions[index].name);
+}
+
+PyObject*
+_PyUnstable_GetBinaryIntrinsicName(int index)
+{
+    if (index < 0 || index > MAX_INTRINSIC_2) {
+        return NULL;
+    }
+    return PyUnicode_FromString(_PyIntrinsics_BinaryFunctions[index].name);
+}