add encoding flags when generate cmakelists

1 files changed, 87 insertions, 0 deletions

diff --git a/xmake/plugins/project/cmake/cmakelists.lua b/xmake/plugins/project/cmake/cmakelists.lua
index 9670972c9..8055d04a8 100644
--- a/xmake/plugins/project/cmake/cmakelists.lua
+++ b/xmake/plugins/project/cmake/cmakelists.lua
@@ -684,6 +684,90 @@ function _add_target_warnings(cmakelists, target)
     end
 end
 
+-- copy from core.tools.cl
+function nf_encoding_cl(encoding)
+    local kind
+    local charset
+    local splitinfo = encoding:split(":")
+    if #splitinfo > 1 then
+        kind = splitinfo[1]
+        charset = splitinfo[2]
+    else
+        charset = encoding
+    end
+    local charsets = {
+        ["utf-8"] = "utf-8",
+        utf8 = "utf-8",
+        gb2312 = "gb2312"
+    }
+    local flags = {}
+    charset = charsets[charset:lower()]
+    if charset then
+        if not kind and charset == "utf-8" then
+            table.insert(flags, "/utf-8")
+        else
+            if kind == "source" or not kind then
+                table.insert(flags, "-source-charset:" .. charset)
+            end
+            if kind == "target" or not kind then
+                table.insert(flags, "-execution-charset:" .. charset)
+            end
+        end
+    end
+    if #flags > 0 then
+        return flags
+    end
+end
+
+-- copy from core.tools.gcc
+function nf_encoding_gcc(encoding)
+    local kind
+    local charset
+    local splitinfo = encoding:split(":")
+    if #splitinfo > 1 then
+        kind = splitinfo[1]
+        charset = splitinfo[2]
+    else
+        charset = encoding
+    end
+    local charsets = {
+        ["utf-8"] = "UTF-8",
+        utf8 = "UTF-8"
+    }
+    local flags = {}
+    charset = charsets[charset:lower()]
+    if charset then
+        if kind == "source" or not kind then
+            table.insert(flags, "-finput-charset=" .. charset)
+        end
+        if kind == "target" or not kind then
+            table.insert(flags, "-fexec-charset=" .. charset)
+        end
+    end
+    if #flags > 0 then
+        return flags
+    end
+end
+
+-- add target encodings
+function _add_target_encodings(cmakelists, target)
+    local encodings = target:get("encodings")
+    if encodings then
+        cmakelists:print("if(MSVC)")
+        -- msvc or clang-cl
+        for _, encoding in ipairs(encodings) do
+            local flags_msvc = nf_encoding_cl(encoding)
+            cmakelists:print("    target_compile_options(%s PRIVATE %s)", target:name(), flags_msvc[1])
+        end
+        cmakelists:print("else()")
+        for _, encoding in ipairs(encodings) do
+            local flags_gcc = nf_encoding_gcc(encoding)
+            cmakelists:print("    target_compile_options(%s PRIVATE %s)", target:name(), flags_gcc[1])
+        end
+        cmakelists:print("endif()")
+    end
+end
+
 -- add target exceptions
 function _add_target_exceptions(cmakelists, target)
     local flags_gcc =
@@ -1122,6 +1206,9 @@ function _add_target(cmakelists, target, outputdir)
     _add_target_warnings(cmakelists, target)
 
     -- add target exceptions
+    _add_target_encodings(cmakelists, target)
+
+    -- add target exceptions
     _add_target_exceptions(cmakelists, target)
 
     -- add target languages