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* [gcc/devel/rust/master] libproc_macro: Add literal ffi implementations
@ 2023-05-02 7:07 Thomas Schwinge
0 siblings, 0 replies; only message in thread
From: Thomas Schwinge @ 2023-05-02 7:07 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:da0553bcbfab23c4cf908092ea5cc29c454e157b
commit da0553bcbfab23c4cf908092ea5cc29c454e157b
Author: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Date: Thu Apr 6 14:29:53 2023 +0200
libproc_macro: Add literal ffi implementations
Add literal type related ffi functions implementation.
ChangeLog:
* libgrust/libproc_macro/Makefile.am: Add literal.cc.
* libgrust/libproc_macro/Makefile.in: Regenerate.
* libgrust/libproc_macro/literal.h (Literal__drop): Implement
drop.
(Literal__string): Constructor from a string function prototype.
(Literal__byte_string): Constructor from a byte string function
prototype.
(Literal__from_string): Add function body, no implementation
yet.
* libgrust/libproc_macro/literal.cc: New file.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Diff:
---
libgrust/libproc_macro/Makefile.am | 3 +-
libgrust/libproc_macro/Makefile.in | 6 ++-
libgrust/libproc_macro/literal.cc | 80 ++++++++++++++++++++++++++++++++++++++
libgrust/libproc_macro/literal.h | 15 +++++++
4 files changed, 101 insertions(+), 3 deletions(-)
diff --git a/libgrust/libproc_macro/Makefile.am b/libgrust/libproc_macro/Makefile.am
index 1e61d12e506..4bc7943c903 100644
--- a/libgrust/libproc_macro/Makefile.am
+++ b/libgrust/libproc_macro/Makefile.am
@@ -51,7 +51,8 @@ AM_MAKEFLAGS = \
toolexeclib_LTLIBRARIES = libproc_macro.la
libproc_macro_la_SOURCES = \
- proc_macro.cc
+ proc_macro.cc \
+ literal.cc
include_HEADERS = \
proc_macro.h
diff --git a/libgrust/libproc_macro/Makefile.in b/libgrust/libproc_macro/Makefile.in
index d3a39736679..57ace6a9e61 100644
--- a/libgrust/libproc_macro/Makefile.in
+++ b/libgrust/libproc_macro/Makefile.in
@@ -138,7 +138,7 @@ am__installdirs = "$(DESTDIR)$(toolexeclibdir)" \
"$(DESTDIR)$(includedir)"
LTLIBRARIES = $(toolexeclib_LTLIBRARIES)
libproc_macro_la_LIBADD =
-am_libproc_macro_la_OBJECTS = proc_macro.lo
+am_libproc_macro_la_OBJECTS = proc_macro.lo literal.lo
libproc_macro_la_OBJECTS = $(am_libproc_macro_la_OBJECTS)
AM_V_lt = $(am__v_lt_@AM_V@)
am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
@@ -385,7 +385,8 @@ AM_MAKEFLAGS = \
toolexeclib_LTLIBRARIES = libproc_macro.la
libproc_macro_la_SOURCES = \
- proc_macro.cc
+ proc_macro.cc \
+ literal.cc
include_HEADERS = \
proc_macro.h
@@ -468,6 +469,7 @@ mostlyclean-compile:
distclean-compile:
-rm -f *.tab.c
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/literal.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/proc_macro.Plo@am__quote@
.cc.o:
diff --git a/libgrust/libproc_macro/literal.cc b/libgrust/libproc_macro/literal.cc
new file mode 100644
index 00000000000..a667fcb72fe
--- /dev/null
+++ b/libgrust/libproc_macro/literal.cc
@@ -0,0 +1,80 @@
+// Copyright (C) 2023 Free Software Foundation, Inc.
+//
+// This file is part of the GNU Proc Macro Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include "literal.h"
+#include <cstring>
+
+extern "C" {
+
+void
+Literal__drop (Literal *lit)
+{
+ switch (lit->tag)
+ {
+ case STRING:
+ delete lit->payload.string_payload.data;
+ lit->payload.string_payload.len = 0;
+ break;
+ case BYTE_STRING:
+ delete lit->payload.byte_string_payload.data;
+ lit->payload.byte_string_payload.size = 0;
+ break;
+ case CHAR:
+ case UNSIGNED:
+ case SIGNED:
+ case USIZE:
+ case ISIZE:
+ case FLOAT32:
+ case FLOAT64:
+ break;
+ }
+}
+
+Literal
+Literal__string (const unsigned char *str, std::uint64_t len)
+{
+ unsigned char *data = new unsigned char[len];
+ StringPayload str_payload = {data, len};
+ std::memcpy (data, str, len);
+ LiteralPayload payload;
+ payload.string_payload = str_payload;
+ return {STRING, payload};
+}
+
+Literal
+Literal__byte_string (const std::uint8_t *bytes, std::uint64_t len)
+{
+ std::uint8_t *data = new std::uint8_t[len];
+ ByteStringPayload bstr_payload = {data, len};
+ std::memcpy (data, bytes, len);
+ LiteralPayload payload;
+ payload.byte_string_payload = bstr_payload;
+ return {BYTE_STRING, payload};
+}
+
+bool
+Literal__from_string (const unsigned char *str, std::uint64_t len, Literal *lit)
+{
+ // FIXME: implement this function with parser
+ return false;
+}
+}
diff --git a/libgrust/libproc_macro/literal.h b/libgrust/libproc_macro/literal.h
index 7b3e3c5965a..62a14522d1d 100644
--- a/libgrust/libproc_macro/literal.h
+++ b/libgrust/libproc_macro/literal.h
@@ -158,4 +158,19 @@ struct Literal
LiteralPayload payload;
};
+extern "C" {
+void
+Literal__drop (Literal *lit);
+
+Literal
+Literal__string (const unsigned char *str, std::uint64_t len);
+
+Literal
+Literal__byte_string (const std::uint8_t *bytes, std::uint64_t len);
+
+bool
+Literal__from_string (const unsigned char *str, std::uint64_t len,
+ Literal *lit);
+}
+
#endif /* ! LITERAL_H */
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