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From bf389fd5185143847b1d91aed423e79c322dba51 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 5 Feb 2016 16:01:42 +0200
Subject: [PATCH] Initial work to make ODB compatible with GCC 6
[Upstream: 511dcf67322ad87fb32f97d1cf7725c129e83898]
Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
---
odb/cxx-lexer.cxx | 4 ++++
odb/gcc-fwd.hxx | 23 ++++++++++++++++++++++-
odb/gcc.hxx | 10 ++++++++++
odb/include.cxx | 31 +++++++++++++++++++++----------
odb/parser.cxx | 8 ++++----
odb/plugin.cxx | 29 +++++++++++++++++++++++++++--
odb/semantics/elements.cxx | 4 ++--
7 files changed, 90 insertions(+), 19 deletions(-)
diff --git a/odb/cxx-lexer.cxx b/odb/cxx-lexer.cxx
index 7029c7e..64df296 100644
--- a/odb/cxx-lexer.cxx
+++ b/odb/cxx-lexer.cxx
@@ -135,8 +135,12 @@ cpp_error_callback (
#if BUILDING_GCC_MAJOR > 4 || BUILDING_GCC_MAJOR == 4 && BUILDING_GCC_MINOR > 5
int /*reason*/, // Added in GCC 4.6.0.
#endif
+#if BUILDING_GCC_MAJOR <= 5
location_t,
unsigned int,
+#else
+ rich_location*,
+#endif
char const* msg,
va_list *ap)
{
diff --git a/odb/gcc-fwd.hxx b/odb/gcc-fwd.hxx
index a120f05..618b106 100644
--- a/odb/gcc-fwd.hxx
+++ b/odb/gcc-fwd.hxx
@@ -7,6 +7,24 @@
#include <bversion.h>
+#if BUILDING_GCC_MAJOR >= 6
+
+// If we include <system.h> here, it pulls in all kinds of GCC trouble that
+// "poisons" standard C/C++ declarations; see safe-ctype.h. So instead we
+// are going to "exclude" safe-ctype.h. To compensate, however, we will
+// include it first thing in gcc.hxx.
+//
+# include <config.h>
+# define SAFE_CTYPE_H
+# include <system.h>
+# undef SAFE_CTYPE_H
+# include <coretypes.h>
+
+typedef unsigned int source_location; // <line-map.h>
+typedef source_location location_t; // <input.h>
+
+#else // GCC < 6
+
#if BUILDING_GCC_MAJOR > 4 || BUILDING_GCC_MAJOR == 4 && BUILDING_GCC_MINOR > 8
# include <limits.h> // CHAR_BIT
# include <config.h>
@@ -33,6 +51,9 @@ extern "C"
typedef unsigned int source_location; // <line-map.h>
typedef source_location location_t; // <input.h>
-}
+
+} // extern "C"
+
+#endif
#endif // ODB_GCC_FWD_HXX
diff --git a/odb/gcc.hxx b/odb/gcc.hxx
index c953047..858d685 100644
--- a/odb/gcc.hxx
+++ b/odb/gcc.hxx
@@ -7,6 +7,10 @@
#include <odb/gcc-fwd.hxx>
+#if BUILDING_GCC_MAJOR >= 6
+# include <safe-ctype.h> // See gcc-fwd.hxx.
+#endif
+
// GCC header includes to get the plugin and parse tree declarations.
// The order is important and doesn't follow any kind of logic.
//
@@ -145,4 +149,10 @@ gcc_tree_code_name (gcc_tree_code_type tc) {return tree_code_name[tc];}
#define DECL_CHAIN(x) TREE_CHAIN(x)
#endif
+// In GCC 6, ANON_AGGRNAME_P became anon_aggrname_p().
+//
+#if BUILDING_GCC_MAJOR < 6
+# define anon_aggrname_p(X) ANON_AGGRNAME_P(X)
+#endif
+
#endif // ODB_GCC_HXX
diff --git a/odb/include.cxx b/odb/include.cxx
index c397993..08c93ce 100644
--- a/odb/include.cxx
+++ b/odb/include.cxx
@@ -30,9 +30,18 @@ namespace
path path_;
};
+#if BUILDING_GCC_MAJOR >= 6
+ typedef line_map_ordinary line_map_type;
+#else
+ typedef line_map line_map_type;
+# ifndef linemap_check_ordinary
+# define linemap_check_ordinary(X) (X)
+# endif
+#endif
+
struct includes
{
- typedef std::map<line_map const*, include_directive> map_type;
+ typedef std::map<line_map_type const*, include_directive> map_type;
bool trailing; // Included at the beginning or at the end of the main file.
map_type map;
};
@@ -144,7 +153,9 @@ namespace
//
if (l > BUILTINS_LOCATION)
{
- line_map const* lm (linemap_lookup (line_table, l));
+ line_map_type const* lm (
+ linemap_check_ordinary (
+ linemap_lookup (line_table, l)));
if (lm != 0 && !MAIN_FILE_P (lm))
{
@@ -537,20 +548,20 @@ namespace
//
#if BUILDING_GCC_MAJOR == 4 && BUILDING_GCC_MINOR <= 6
size_t used (line_table->used);
- line_map const* maps (line_table->maps);
+ line_map_type const* maps (line_table->maps);
#else
size_t used (line_table->info_ordinary.used);
- line_map const* maps (line_table->info_ordinary.maps);
+ line_map_type const* maps (line_table->info_ordinary.maps);
#endif
for (size_t i (0); i < used; ++i)
{
- line_map const* m (maps + i);
+ line_map_type const* m (maps + i);
if (MAIN_FILE_P (m) || m->reason != LC_ENTER)
continue;
- line_map const* ifm (INCLUDED_FROM (line_table, m));
+ line_map_type const* ifm (INCLUDED_FROM (line_table, m));
#if BUILDING_GCC_MAJOR == 4 && BUILDING_GCC_MINOR <= 6
path f (m->to_file);
@@ -580,7 +591,7 @@ namespace
for (includes::iterator j (i->second.begin ());
j != i->second.end (); ++j)
{
- line_map const* lm (j->first);
+ line_map_type const* lm (j->first);
cerr << '\t' << lm->to_file << ":" << LAST_SOURCE_LINE (lm) << endl;
}
*/
@@ -589,13 +600,13 @@ namespace
// it is preferred over all others. Use the first one if there are
// several.
//
- line_map const* main_lm (0);
+ line_map_type const* main_lm (0);
include_directive* main_inc (0);
for (includes::map_type::iterator j (i->second.map.begin ());
j != i->second.map.end (); ++j)
{
- line_map const* lm (j->first);
+ line_map_type const* lm (j->first);
if (MAIN_FILE_P (lm))
{
@@ -636,7 +647,7 @@ namespace
for (includes::map_type::iterator j (i->second.map.begin ());
j != i->second.map.end (); ++j)
{
- line_map const* lm (j->first);
+ line_map_type const* lm (j->first);
#if BUILDING_GCC_MAJOR == 4 && BUILDING_GCC_MINOR <= 6
string f (lm->to_file);
diff --git a/odb/parser.cxx b/odb/parser.cxx
index a8e6a6a..feda9d4 100644
--- a/odb/parser.cxx
+++ b/odb/parser.cxx
@@ -1044,14 +1044,14 @@ emit_type_decl (tree decl)
// says that in typedef struct {} S; S becomes struct's
// name.
//
- if (ANON_AGGRNAME_P (decl_name))
+ if (anon_aggrname_p (decl_name))
{
tree d (TYPE_NAME (t));
if (d != NULL_TREE &&
!DECL_ARTIFICIAL (d) &&
DECL_NAME (d) != NULL_TREE &&
- !ANON_AGGRNAME_P (DECL_NAME (d)))
+ !anon_aggrname_p (DECL_NAME (d)))
{
decl = d;
decl_name = DECL_NAME (decl);
@@ -1668,7 +1668,7 @@ create_type (tree t,
ts << "start anon/stub " << gcc_tree_code_name(tc) << " at "
<< file << ":" << line << endl;
- if (d == NULL_TREE || ANON_AGGRNAME_P (DECL_NAME (d)))
+ if (d == NULL_TREE || anon_aggrname_p (DECL_NAME (d)))
{
if (tc == RECORD_TYPE)
r = &emit_class<class_> (t, file, line, clmn);
@@ -1765,7 +1765,7 @@ create_type (tree t,
ts << "start anon/stub " << gcc_tree_code_name(tc) << " at "
<< file << ":" << line << endl;
- if (d == NULL_TREE || ANON_AGGRNAME_P (DECL_NAME (d)))
+ if (d == NULL_TREE || anon_aggrname_p (DECL_NAME (d)))
{
r = &emit_enum (t, access, file, line, clmn);
}
diff --git a/odb/plugin.cxx b/odb/plugin.cxx
index 51f0cb1..779faed 100644
--- a/odb/plugin.cxx
+++ b/odb/plugin.cxx
@@ -45,14 +45,28 @@ path file_; // File being compiled.
paths inputs_; // List of input files in at-once mode or just file_.
bool (*cpp_error_prev) (
- cpp_reader*, int, int, location_t, unsigned int, const char*, va_list*);
+ cpp_reader*,
+ int,
+ int,
+#if BUILDING_GCC_MAJOR >= 6
+ rich_location*,
+#else
+ location_t,
+ unsigned int,
+#endif
+ const char*,
+ va_list*);
static bool
cpp_error_filter (cpp_reader* r,
int level,
int reason,
+#if BUILDING_GCC_MAJOR >= 6
+ rich_location* l,
+#else
location_t l,
unsigned int column_override,
+#endif
const char* msg,
va_list* ap)
{
@@ -66,7 +80,18 @@ cpp_error_filter (cpp_reader* r,
if (strstr (msg, "#pragma once") != 0)
return true;
- return cpp_error_prev (r, level, reason, l, column_override, msg, ap);
+ return cpp_error_prev (
+ r,
+ level,
+ reason,
+#if BUILDING_GCC_MAJOR >= 6
+ l,
+#else
+ l,
+ column_override,
+#endif
+ msg,
+ ap);
}
// A prefix of the _cpp_file struct. This struct is not part of the
diff --git a/odb/semantics/elements.cxx b/odb/semantics/elements.cxx
index 21e3260..399d5e9 100644
--- a/odb/semantics/elements.cxx
+++ b/odb/semantics/elements.cxx
@@ -59,7 +59,7 @@ namespace semantics
if (tree decl = TYPE_NAME (n))
name = DECL_NAME (decl);
- return name != 0 && ANON_AGGRNAME_P (name);
+ return name != 0 && anon_aggrname_p (name);
}
return true;
@@ -108,7 +108,7 @@ namespace semantics
if (tree decl = TYPE_NAME (type))
{
name = DECL_NAME (decl);
- if (name != 0 && ANON_AGGRNAME_P (name))
+ if (name != 0 && anon_aggrname_p (name))
return true;
tree s (CP_DECL_CONTEXT (decl));
--
2.25.0
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