elua: benchmark module, plus return values for init/shutdown

src/bin/elua/modules/benchmark.lua

@@ -0,0 +1,100 @@
+-- Elua benchmark module
+-- Dependencies: eina.counter, eina.log, util, cutil
+
+local cutil   = require("cutil")
+local util    = require("util")
+local counter = require("eina.counter")
+local log     = require("eina.log")
+
+local Counter = counter.Counter
+
+local M = {}
+
+local dom
+
+cutil.init_module(function()
+    dom = log.Domain("elua_benchmark")
+    if not dom:is_valid() then
+        log.err("Could not register log domain: elua_benchmark")
+        return false
+    end
+    return true
+end, function()
+    dom:unregister()
+    dom = nil
+    return true
+end)
+
+local PLOT_MASK = "bench_%s_%s.gnuplot"
+local DATA_MASK = "bench_%s_%s.%s.data"
+
+M.Benchmark = util.Object:clone {
+    __ctor = function(self, name, run)
+        self.name, self.run = name, run
+        self.runs = {}
+    end,
+
+    register = function(self, name, bench_cb, c_start, c_end, c_step)
+        self.runs[#self.runs + 1] = {
+            cb = bench_cb, name = name, c_start = c_start, c_end = c_end,
+            c_step = c_step
+        }
+        return true
+    end,
+
+    run = function(self, pmask, dmask)
+        pmask, dmask  = pmask or PLOT_MASK, dmask or DATA_MASK
+        local  fname  = pmask:format(self.name, self.run)
+        local  plots  = io.open(fname, "w")
+        if not plots then
+            return nil
+        end
+        local fnames = {}
+        fnames[#fnames + 1] = fname
+        plots:write(([[
+set   autoscale                        # scale axes automatically
+unset log                              # remove any log-scaling
+unset label                            # remove any previous labels
+set xtic auto                          # set xtics automatically
+set ytic auto                          # set ytics automatically
+set terminal png size 1024,768
+set output "output_%s_%s.png"
+set title  "%s %s"
+set xlabel "tests"
+set ylabel "time"
+plot ]]):format(self.name, self.run, self.name, self.run))
+        local first = false
+        for i, run in ipairs(self.runs) do
+            local fname = dmask:format(self.name, self.run, run.name)
+            local datas = io.open(fname, "w")
+            if datas then
+                fnames[#fnames + 1] = fname
+                local cnt = Counter(run.name)
+                for i = run.c_start, run.c_end, run.c_step do
+                    io.stderr:write("Run ", run.name, ": ", i, "\n")
+                    cnt:start()
+                    run.cb(i)
+                    cnt:stop(i)
+                end
+                local ret = cnt:dump()
+                if ret then
+                    datas:write(ret)
+                end
+                cnt:free()
+                datas:close()
+                if not first then
+                    first = true
+                else
+                    plots:write(", \\\n")
+                end
+                plots:write(("\"%s\" using 1:2 title \'%s\' with line")
+                    :format(fname, run.name))
+            end
+        end
+        plots:write("\n")
+        plots:close()
+        return fnames
+    end
+}
+
+return M

src/bin/elua/modules/elm.lua

@@ -49,8 +49,10 @@ local smart_cb_wrapper = ffi.cast("Evas_Smart_Cb",
 cutil.init_module(function()
     elm, evas = ffi.load("elementary"), ffi.load("evas")
     elm.elm_init(0, nil)
+    return true
 end, function()
     elm.elm_exit()
+    return true
 end)
 
 local Evas_Object = util.Object:clone {

src/bindings/luajit/eina/counter.lua

@@ -24,10 +24,12 @@ local eina
 
 local init = function()
     eina = util.lib_load("eina")
+    return true
 end
 
 local shutdown = function()
     util.lib_unload("eina")
+    return true
 end
 
 cutil.init_module(init, shutdown)

src/bindings/luajit/eina/file.lua

@@ -136,10 +136,12 @@ local eina
 
 local init = function()
     eina = util.lib_load("eina")
+    return true
 end
 
 local shutdown = function()
     util.lib_unload("eina")
+    return true
 end
 
 cutil.init_module(init, shutdown)

src/bindings/luajit/eina/hamster.lua

@@ -16,10 +16,12 @@ local eina
 
 local init = function()
     eina = util.lib_load("eina")
+    return true
 end
 
 local shutdown = function()
     util.lib_unload("eina")
+    return true
 end
 
 cutil.init_module(init, shutdown)

src/bindings/luajit/eina/iterator.lua

@@ -24,10 +24,12 @@ local eina
 
 local init = function()
     eina = util.lib_load("eina")
+    return true
 end
 
 local shutdown = function()
     util.lib_unload("eina")
+    return true
 end
 
 ffi.metatype("Eina_Iterator", {

src/bindings/luajit/eina/log.lua

@@ -50,11 +50,13 @@ local init = function()
     eina = util.lib_load("eina")
     global_domain  = ffi.new("Domain_Private", eina.EINA_LOG_DOMAIN_GLOBAL)
     default_domain = global_domain
+    return true
 end
 
 local shutdown = function()
     util.lib_unload("eina")
     default_domain, global_domain = nil, nil
+    return true
 end
 
 cutil.init_module(init, shutdown)
@@ -70,6 +72,7 @@ M.level = {
 }
 
 M.color = {
+    DEFAULT   = "\x1B[36m",
     LIGHTRED  = "\x1B[31;1m",
     RED       = "\x1B[31m",
     LIGHTBLUE = "\x1B[34;1m",
@@ -122,7 +125,7 @@ local logfuncs = {
 }
 
 for i, v in ipairs(logfuncs) do
-    M["log_" .. v[1]] = function(msg)
+    M[v[1]] = function(msg)
         if not default_domain then return end
         local info = getinfo(2, "nlSf")
         local dom = ffi.cast("Domain_Private*", default_domain).domain
@@ -152,6 +155,10 @@ M.Domain_Base = util.Object:clone {
 
     log = function(self, level, msg, loff)
         log(self, level, msg, (loff or 0) + 1)
+    end,
+
+    is_valid = function(self)
+        return self:__get_domain() ~= nil
     end
 }
 
@@ -173,8 +180,10 @@ M.default_domain = M.Domain_Default
 
 M.Domain = M.Domain_Base:clone {
     __ctor = function(self, name, color)
+        local dom = eina.eina_log_domain_register(name, color or "\x1B[36m")
+        if dom < 0 then return end
         self.__domain = ffi.gc(ffi.cast("Domain*", ffi.new("Domain_Private",
-            eina.eina_log_domain_register(name, color))), unregister_dom)
+            dom)), unregister_dom)
     end,
 
     unregister = function(self)
@@ -189,7 +198,9 @@ M.Domain = M.Domain_Base:clone {
 }
 
 M.set_default_domain = function(dom)
-    default_domain = dom:__get_domain()
+    dom = dom:__get_domain()
+    if not dom then return end
+    default_domain = dom
 end
 
 return M

src/bindings/luajit/eina/rectangle.lua

@@ -36,10 +36,12 @@ local eina
 
 local init = function()
     eina = util.lib_load("eina")
+    return true
 end
 
 local shutdown = function()
     util.lib_unload("eina")
+    return true
 end
 
 cutil.init_module(init, shutdown)

src/bindings/luajit/eina/tiler.lua

@@ -52,10 +52,12 @@ local eina
 
 local init = function()
     eina = util.lib_load("eina")
+    return true
 end
 
 local shutdown = function()
     util.lib_unload("eina")
+    return true
 end
 
 cutil.init_module(init, shutdown)

src/bindings/luajit/eina/xattr.lua

@@ -53,10 +53,12 @@ local eina
 
 local init = function()
     eina = util.lib_load("eina")
+    return true
 end
 
 local shutdown = function()
     util.lib_unload("eina")
+    return true
 end
 
 cutil.init_module(init, shutdown)

src/examples/elua/elm_test.lua

@@ -11,7 +11,7 @@ log.log_err("test with default log domain")
 
 local foo = function()
     for i = 1, 4 do
-        log.log_err("testing: " .. i)
+        log.err("testing: " .. i)
     end
 end