Fil-C add toolchain

6 files changed, 230 insertions, 0 deletions

diff --git a/tests/projects/c/filc/safety_test/src/main.c b/tests/projects/c/filc/safety_test/src/main.c
new file mode 100644
index 000000000..4f5ad91b9
--- /dev/null
+++ b/tests/projects/c/filc/safety_test/src/main.c
@@ -0,0 +1,19 @@
+/* Test that filc catches calling a function pointer with a wrong address.
+ *
+ * Expected runtime output (exit non-zero):
+ *   filc safety error: cannot access pointer as function with ptr != aux ...
+ *   filc panic: thwarted a futile attempt to violate memory safety.
+ */
+#include <stdfil.h>
+#include <stdlib.h>
+
+static void foo(void)
+{
+}
+
+int main()
+{
+    void (*my_foo)(void) = (void(*)(void))((char*)foo + 42);
+    my_foo();
+    return 0;
+}
diff --git a/tests/projects/c/filc/safety_test/test.lua b/tests/projects/c/filc/safety_test/test.lua
new file mode 100644
index 000000000..34d462e7b
--- /dev/null
+++ b/tests/projects/c/filc/safety_test/test.lua
@@ -0,0 +1,46 @@
+import("lib.detect.find_tool")
+import("utils.ci.is_running", {alias = "ci_is_running"})
+
+function main(t)
+    -- filc only supports Linux x86_64
+    if os.host() ~= "linux" or os.arch() ~= "x86_64" then
+        return t:skip("filc is only supported on linux/x86_64")
+    end
+
+    local filcc = find_tool("filcc")
+    if not filcc then
+        return t:skip("filcc not found, please install the filc package first")
+    end
+
+    -- build the safety test
+    local flags = ci_is_running() and "-vD" or ""
+    os.exec("xmake f -c -y " .. flags)
+    os.exec("xmake -r " .. flags)
+
+    -- find the compiled binary
+    local binfile = path.join("build", os.host(), os.arch(), "release", "safety_test")
+    assert(os.isfile(binfile), "binary not found: " .. binfile)
+
+    -- run the binary — it MUST exit non-zero and emit a filc safety error
+    -- os.iorunv raises on non-zero exit in the sandbox, so catch the failure
+    local filc_output = nil
+    try
+    {
+        function ()
+            os.iorunv(binfile, {})
+        end,
+        catch
+        {
+            function (errors)
+                filc_output = tostring(errors)
+            end
+        }
+    }
+    assert(filc_output, "expected safety_test to exit non-zero, but it succeeded")
+    assert(filc_output:find("filc safety error", 1, true),
+        "expected 'filc safety error' in output, got:\n" .. filc_output)
+    assert(filc_output:find("filc panic", 1, true),
+        "expected 'filc panic' in output, got:\n" .. filc_output)
+
+    cprint("${green}filc safety check triggered as expected${reset}")
+end
diff --git a/tests/projects/c/filc/safety_test/xmake.lua b/tests/projects/c/filc/safety_test/xmake.lua
new file mode 100644
index 000000000..e2d47da57
--- /dev/null
+++ b/tests/projects/c/filc/safety_test/xmake.lua
@@ -0,0 +1,9 @@
+add_rules("mode.debug", "mode.release")
+
+add_requires("filc")
+
+target("safety_test")
+    set_kind("binary")
+    set_toolchains("filc", {packages = "filc"})
+    add_packages("filc")
+    add_files("src/*.c")
diff --git a/xmake/modules/core/tools/filcc.lua b/xmake/modules/core/tools/filcc.lua
new file mode 100644
index 000000000..28aefc34a
--- /dev/null
+++ b/xmake/modules/core/tools/filcc.lua
@@ -0,0 +1,21 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-- Copyright (C) 2015-present, Xmake Open Source Community.
+--
+-- @file        filcc.lua
+--
+
+-- filcc is Fil-C's clang-based C compiler - inherit clang driver behaviour
+inherit("clang")
diff --git a/xmake/modules/detect/tools/find_filcc.lua b/xmake/modules/detect/tools/find_filcc.lua
new file mode 100644
index 000000000..2f6c96fcc
--- /dev/null
+++ b/xmake/modules/detect/tools/find_filcc.lua
@@ -0,0 +1,41 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-- Copyright (C) 2015-present, Xmake Open Source Community.
+--
+-- @file        find_filcc.lua
+--
+
+import("lib.detect.find_program")
+import("lib.detect.find_programver")
+
+-- find filcc (Fil-C memory-safe C compiler, clang-based)
+--
+-- @param opt   the argument options, e.g. {version = true}
+--
+-- @return      program, version
+--
+function main(opt)
+    opt         = opt or {}
+    opt.check   = opt.check or "--version"
+    opt.command = opt.command or "--version"
+
+    local program = find_program(opt.program or "filcc", opt)
+
+    local version = nil
+    if program and opt.version then
+        version = find_programver(program, opt)
+    end
+    return program, version
+end
diff --git a/xmake/toolchains/filc/xmake.lua b/xmake/toolchains/filc/xmake.lua
new file mode 100644
index 000000000..e540aaab3
--- /dev/null
+++ b/xmake/toolchains/filc/xmake.lua
@@ -0,0 +1,94 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-- Copyright (C) 2015-present, Xmake Open Source Community.
+--
+-- @file        xmake.lua
+--
+
+toolchain("filc")
+    set_kind("standalone")
+    set_homepage("https://fil-c.org/")
+    set_description("A memory safe implementation of the C and C++ programming languages.")
+
+    on_check(function (toolchain)
+        import("lib.detect.find_tool")
+
+        -- look in package installdir/build/bin first, then bindir/sdkdir, then PATH
+        local paths = {}
+        for _, package in ipairs(toolchain:packages()) do
+            local installdir = package:installdir()
+            if installdir then
+                table.insert(paths, path.join(installdir, "build", "bin"))
+            end
+        end
+        local bindir = toolchain:bindir()
+        if bindir then
+            table.insert(paths, bindir)
+        end
+        local sdkdir = toolchain:sdkdir()
+        if sdkdir then
+            table.insert(paths, path.join(sdkdir, "build", "bin"))
+            table.insert(paths, path.join(sdkdir, "bin"))
+        end
+
+        local filcc = find_tool("filcc", {paths = paths, force = true})
+        if filcc then
+            toolchain:config_set("filcc", filcc.program)
+            if os.isfile(filcc.program) then
+                toolchain:config_set("bindir", path.directory(filcc.program))
+            end
+            return true
+        end
+    end)
+
+    on_load(function (toolchain)
+        local filcc = toolchain:config("filcc") or "filcc"
+
+        -- filcc is the compiler and linker; ar uses the system archiver
+        toolchain:set("toolset", "cc",  filcc)
+        toolchain:set("toolset", "ld",  filcc)
+        toolchain:set("toolset", "sh",  filcc)
+        toolchain:set("toolset", "ar",  "ar")
+        toolchain:set("toolset", "as",  filcc)
+
+        -- add runtime include/lib dirs from the installed package
+        for _, package in ipairs(toolchain:packages()) do
+            local installdir = package:installdir()
+            if installdir then
+                local pizfix = path.join(installdir, "pizfix")
+                -- stdfil.h lives in pizfix/stdfil-include/
+                toolchain:add("sysincludedirs", path.join(pizfix, "stdfil-include"))
+                -- standard C headers (musl-based) live in pizfix/include/
+                toolchain:add("sysincludedirs", path.join(pizfix, "include"))
+                toolchain:add("linkdirs",       path.join(pizfix, "lib"))
+                toolchain:add("linkdirs",       path.join(pizfix, "lib64"))
+            end
+        end
+        local sdkdir = toolchain:sdkdir()
+        if sdkdir and os.isdir(sdkdir) then
+            local pizfix = path.join(sdkdir, "pizfix")
+            for _, d in ipairs({"stdfil-include", "include"}) do
+                local includedir = path.join(pizfix, d)
+                if os.isdir(includedir) then
+                    toolchain:add("sysincludedirs", includedir)
+                end
+            end
+            for _, libdir in ipairs({path.join(pizfix, "lib64"), path.join(pizfix, "lib")}) do
+                if os.isdir(libdir) then
+                    toolchain:add("linkdirs", libdir)
+                end
+            end
+        end
+    end)