ext: Upgrade PyBind11 to version 2.2.1

This upgrade is necessary for pybind to build with GCC 7.2.

We still need to add the patch for stl.h. MSC_FULL_VER change is no longer
needed.
See https://gem5-review.googlesource.com/c/public/gem5/+/2230

Change-Id: I806729217d022070583994c2dfcaa74476aef30f
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/5801
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>

1 files changed, 21 insertions, 16 deletions

diff --git a/ext/pybind11/include/pybind11/eval.h b/ext/pybind11/include/pybind11/eval.h
index 5b2b98272..ea85ba1db 100644
--- a/ext/pybind11/include/pybind11/eval.h
+++ b/ext/pybind11/include/pybind11/eval.h
@@ -11,11 +11,9 @@
 
 #pragma once
 
-#pragma once
-
 #include "pybind11.h"
 
-NAMESPACE_BEGIN(pybind11)
+NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
 
 enum eval_mode {
     /// Evaluate a string containing an isolated expression
@@ -29,12 +27,7 @@ enum eval_mode {
 };
 
 template <eval_mode mode = eval_expr>
-object eval(str expr, object global = object(), object local = object()) {
-    if (!global) {
-        global = reinterpret_borrow<object>(PyEval_GetGlobals());
-        if (!global)
-            global = dict();
-    }
+object eval(str expr, object global = globals(), object local = object()) {
     if (!local)
         local = global;
 
@@ -56,13 +49,25 @@ object eval(str expr, object global = object(), object local = object()) {
     return reinterpret_steal<object>(result);
 }
 
+template <eval_mode mode = eval_expr, size_t N>
+object eval(const char (&s)[N], object global = globals(), object local = object()) {
+    /* Support raw string literals by removing common leading whitespace */
+    auto expr = (s[0] == '\n') ? str(module::import("textwrap").attr("dedent")(s))
+                               : str(s);
+    return eval<mode>(expr, global, local);
+}
+
+inline void exec(str expr, object global = globals(), object local = object()) {
+    eval<eval_statements>(expr, global, local);
+}
+
+template <size_t N>
+void exec(const char (&s)[N], object global = globals(), object local = object()) {
+    eval<eval_statements>(s, global, local);
+}
+
 template <eval_mode mode = eval_statements>
-object eval_file(str fname, object global = object(), object local = object()) {
-    if (!global) {
-        global = reinterpret_borrow<object>(PyEval_GetGlobals());
-        if (!global)
-            global = dict();
-    }
+object eval_file(str fname, object global = globals(), object local = object()) {
     if (!local)
         local = global;
 
@@ -109,4 +114,4 @@ object eval_file(str fname, object global = object(), object local = object()) {
     return reinterpret_steal<object>(result);
 }
 
-NAMESPACE_END(pybind11)
+NAMESPACE_END(PYBIND11_NAMESPACE)