Rework depedency management in premake lua scripts

tools/scripts/folders.lua

@@ -0,0 +1,25 @@
+-- Functions for locating commonly used folders
+local _BuildFolder = path.getabsolute("../../build")
+function BuildFolder()
+	return path.getrelative(os.getcwd(), _BuildFolder)
+end
+
+local _ThirdPartyFolder = path.getabsolute("../../thirdparty")
+function ThirdPartyFolder()
+	return path.getrelative(os.getcwd(), _ThirdPartyFolder)
+end
+
+local _ProjectFolder = path.getabsolute("../../src")
+function ProjectFolder()
+	return path.getrelative(os.getcwd(), _ProjectFolder)
+end
+
+local _TestFolder = path.getabsolute("../../test")
+function TestFolder()
+	return path.getrelative(os.getcwd(), _TestFolder)
+end
+
+-- Target Directories
+TargetDirectoryBin = "%{wks.location}/bin/%{cfg.buildcfg}_%{cfg.platform}"
+TargetDirectoryLib = "%{wks.location}/lib/%{cfg.buildcfg}_%{cfg.platform}"
+TargetDirectoryTest = "%{wks.location}/lib/%{cfg.buildcfg}_%{cfg.platform}/tests"

tools/scripts/including.lua

@@ -0,0 +1,20 @@
+-- Functions for including projects
+Includes = {}
+
+function Includes:create()
+
+    list = {
+        handles = {}
+    }
+
+    function list:handle(name)
+        if self.handles[name] == nil then
+            self.handles[name] = true
+            return true
+        end
+
+        return false
+    end
+
+    return list
+end

tools/scripts/linking.lua

@@ -0,0 +1,48 @@
+-- Functions for linking projects
+Links = {}
+
+function Links:create()
+
+    list = {
+        stack = {},
+        dependencies = {}
+    }
+
+    function list:linkto(project)
+        local projectName = project:name()
+        for i, dependency in ipairs(self.stack) do
+            if dependency == projectName then
+                print "Circular dependency detected:"
+                local dependencyList = projectName
+                for j = i + 1, #self.stack do
+                    dependencyList = dependencyList .. " -> " .. self.stack[j]
+                end
+                dependencyList = dependencyList .. " -> " .. projectName
+                print(dependencyList)
+                os.exit(1)
+            end
+        end
+
+        table.insert(self.stack, projectName)
+        project:link(self)
+        table.remove(self.stack)
+    end
+
+    function list:add(name)
+        for i = 1, #self.dependencies do
+            if self.dependencies[i] == name then
+                table.remove(self.dependencies, i)
+                i = i - 1
+            end
+        end
+        table.insert(self.dependencies, name)
+    end
+
+    function list:linkall()
+        for i, dependency in ipairs(self.dependencies) do
+            links(dependency)
+        end
+    end
+
+    return list
+end

tools/scripts/platform.lua

@@ -0,0 +1,8 @@
+-- Platform functions
+function ExecutableByOs(name)
+    if os.host() == "windows" then
+        return name .. ".exe"
+    else
+        return name
+    end
+end