Support for incremental compilation and parse header file deps for keil/armcc

1 files changed, 78 insertions, 0 deletions

diff --git a/xmake/modules/private/tools/mdk/parse_deps_armcc.lua b/xmake/modules/private/tools/mdk/parse_deps_armcc.lua
new file mode 100644
index 000000000..457e1168b
--- /dev/null
+++ b/xmake/modules/private/tools/mdk/parse_deps_armcc.lua
@@ -0,0 +1,78 @@
+--!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, TBOOX Open Source Group.
+--
+-- @author      smalli
+-- @file        parse_deps_armcc.lua
+--
+
+-- imports
+import("core.project.project")
+import("core.base.hashset")
+
+-- a placeholder for spaces in path
+local space_placeholder = "\001"
+
+-- normailize path of a dependecy
+function _normailize_dep(dep, projectdir)
+    if path.is_absolute(dep) then
+        dep = path.translate(dep)
+    else
+        dep = path.absolute(dep, projectdir)
+    end
+    if dep:startswith(projectdir) then
+        return path.relative(dep, projectdir)
+    else
+        return dep
+    end
+end
+
+-- parse depsfiles from string
+--
+-- parse_deps(io.readfile(depfile, {continuation = "\\"}))
+--
+-- eg.
+-- build\\.objs\\apps\\cross\\cortex-m3\\release\\APPS\\main.c.o: APPS\\main.c\
+-- build\\.objs\\apps\\cross\\cortex-m3\\release\\APPS\\main.c.o: D:\\Keil533\\ARM\\ARMCC\\bin\\..\\include\\stdarg.h\
+-- build\\.objs\\apps\\cross\\cortex-m3\\release\\APPS\\main.c.o: D:\\Keil533\\ARM\\ARMCC\\bin\\..\\include\\stdio.h\
+-- build\\.objs\\apps\\cross\\cortex-m3\\release\\APPS\\main.c.o: D:\\Keil533\\ARM\\ARMCC\\bin\\..\\include\\string.h\
+-- build\\.objs\\apps\\cross\\cortex-m3\\release\\APPS\\main.c.o: APPS\\main.h\
+--
+--
+function main(depsdata)
+
+    local block = 0
+    local results = hashset.new()
+    local projectdir = os.projectdir()
+    local line = depsdata:rtrim() -- maybe there will be an empty newline at the end. so we trim it first
+    local plain = {plain = true}
+    line = line:replace("\\ ", space_placeholder, plain)
+    for _, includefile in ipairs(line:split('\n', plain)) do
+        if is_host("windows") and includefile:match("^%w\\:") then
+            includefile = includefile:replace("\\:", ":", plain)
+        end
+        includefile = includefile:replace(space_placeholder, ' ', plain)
+        
+        includefile = includefile:split(".o:", {plain = true})[2]
+        includefile = includefile:replace(' ','',plain)
+        if #includefile > 0 then
+            includefile = _normailize_dep(includefile, projectdir)
+            if includefile then
+                results:insert(includefile)
+            end
+        end
+    end
+    return results:to_array()
+end