From d01e1179518962989f6f4d1f28e1cbd164239da8 Mon Sep 17 00:00:00 2001
From: Jarod42 <Jarod42@users.noreply.github.com>
Date: Sat, 3 Jul 2021 13:29:43 +0200
Subject: [PATCH] Handle `buildcommand` for Codelite.

---
 modules/codelite/codelite_project.lua         | 36 ++++++++++++++-
 .../codelite/tests/test_codelite_config.lua   | 45 +++++++++++++++++++
 2 files changed, 80 insertions(+), 1 deletion(-)

diff --git a/modules/codelite/codelite_project.lua b/modules/codelite/codelite_project.lua
index af356897..4396f0c0 100755
--- a/modules/codelite/codelite_project.lua
+++ b/modules/codelite/codelite_project.lua
@@ -377,7 +377,41 @@
 
 		_p(3, '<AdditionalRules>')
 		_p(4, '<CustomPostBuild/>')
-		_p(4, '<CustomPreBuild/>')
+
+		local dependencies = {}
+		local rules = {}
+		local function addrule(dependencies, rules, config, filename)
+			if #config.buildcommands == 0 or #config.buildOutputs == 0 then
+				return
+			end
+			local inputs = table.implode(config.buildInputs,"",""," ")
+			if filename ~= "" and inputs ~= "" then
+				filename = filename .. " "
+			end
+			local outputs = config.buildOutputs[1]
+			local buildmessage = ""
+			if config.buildmessage then
+				buildmessage = "\t@{ECHO} " .. config.buildmessage .. "\n"
+			end
+			local commands = table.implode(config.buildCommands,"\t","\n","")
+			table.insert(rules, os.translateCommandsAndPaths(outputs .. ": " .. filename .. inputs .. "\n" .. buildmessage .. commands, cfg.project.basedir, cfg.project.location))
+			table.insertflat(dependencies, config.buildOutputs[1])
+		end
+		local tr = project.getsourcetree(cfg.project)
+		p.tree.traverse(tr, {
+			onleaf = function(node, depth)
+				local filecfg = p.fileconfig.getconfig(node, cfg)
+				addrule(dependencies, rules, filecfg, node.relpath)
+			end
+		})
+		addrule(dependencies, rules, cfg, "")
+
+		if #rules == 0 and #dependencies == 0 then
+			_p(4, '<CustomPreBuild/>')
+		else
+			_p(4, '<CustomPreBuild>' .. table.implode(dependencies,"",""," "))
+			_p(0, table.implode(rules,"","","\n") .. '</CustomPreBuild>')
+		end
 		_p(3, '</AdditionalRules>')
 	end
 
diff --git a/modules/codelite/tests/test_codelite_config.lua b/modules/codelite/tests/test_codelite_config.lua
index 4a72da68..193e335e 100644
--- a/modules/codelite/tests/test_codelite_config.lua
+++ b/modules/codelite/tests/test_codelite_config.lua
@@ -203,6 +203,51 @@
 		]]
 	end
 
+	function suite.OnProjectCfg_BuildCommand()
+		files {"/c/foo.txt", "/c/bar.txt"}
+		buildinputs { "/c/toto.txt", "/c/extra_dependency" }
+		buildoutputs { "/c/toto.c" }
+		buildcommands { "test", "test /c/toto.c" }
+		buildmessage "Some message"
+		prepare()
+		codelite.project.additionalRules(cfg)
+		test.capture [[
+      <AdditionalRules>
+        <CustomPostBuild/>
+        <CustomPreBuild>/c/toto.c
+/c/toto.c: /c/toto.txt /c/extra_dependency
+	@echo Some message
+	test
+	test /c/toto.c
+</CustomPreBuild>
+      </AdditionalRules>]]
+	end
+
+	function suite.OnProjectCfg_BuildCommandPerFile()
+		files {"/c/foo.txt", "/c/bar.txt"}
+		filter "files:**.txt"
+			buildinputs { "/c/%{file.basename}.h", "/c/extra_dependency" }
+			buildoutputs { "/c/%{file.basename}.c" }
+			buildcommands { "test", "test /c/%{file.basename}" }
+			buildmessage "Some message"
+		prepare()
+		codelite.project.additionalRules(cfg)
+		test.capture [[
+      <AdditionalRules>
+        <CustomPostBuild/>
+        <CustomPreBuild>/c/bar.c /c/foo.c
+/c/bar.c: /c/bar.txt /c/bar.h /c/extra_dependency
+	@echo Some message
+	test
+	test /c/bar
+
+/c/foo.c: /c/foo.txt /c/foo.h /c/extra_dependency
+	@echo Some message
+	test
+	test /c/foo
+</CustomPreBuild>
+      </AdditionalRules>]]
+	end
 
 	function suite.OnProjectCfg_General()
 		system "Windows"