3 files changed, 117 insertions, 42 deletions

diff --git a/scripts/context/lua/mtxrun.lua b/scripts/context/lua/mtxrun.lua
index 3045b6866..f65c8c0ac 100644
--- a/scripts/context/lua/mtxrun.lua
+++ b/scripts/context/lua/mtxrun.lua
@@ -2962,6 +2962,11 @@ end
 file.isreadable = file.is_readable -- depricated
 file.iswritable = file.is_writable -- depricated
 
+function file.size(name)
+    local a = attributes(name)
+    return a and a.size or 0
+end
+
 -- todo: lpeg \\ / .. does not save much
 
 local checkedsplit = string.checkedsplit
@@ -4877,6 +4882,7 @@ utilities.report   = logs and logs.reporter("system") or print
 local tracestripping           = false
 local forcestupidcompile       = true
 luautilities.stripcode         = true
+luautilities.alwaysstripcode   = false -- saves 1 meg on 7 meg compressed format file (2012.08.12)
 luautilities.nofstrippedchunks = 0
 luautilities.nofstrippedbytes  = 0
 
@@ -4962,7 +4968,7 @@ end
 -- ... end of borrowed code.
 
 local function strippedbytecode(code,forcestrip,name)
-    if forcestrip and luautilities.stripcode then
+    if (forcestrip and luautilities.stripcode) or luautilities.alwaysstripcode then
         return strip_code_pc(code,name)
     else
         return code, 0
@@ -4972,8 +4978,16 @@ end
 luautilities.stripbytecode    = strip_code_pc
 luautilities.strippedbytecode = strippedbytecode
 
+local function fatalerror(name)
+    utilities.report(format("fatal error in %q",name or "unknown"))
+end
+
+-- quite subtle ... doing this wrong incidentally can give more bytes
+
+
 function luautilities.loadedluacode(fullname,forcestrip,name)
     -- quite subtle ... doing this wrong incidentally can give more bytes
+    name = name or fullname
     local code = loadfile(fullname)
     if code then
         code()
@@ -4983,34 +4997,45 @@ function luautilities.loadedluacode(fullname,forcestrip,name)
             forcestrip = forcestrip(fullname)
         end
         if forcestrip then
-            local code, n = strip_code_pc(dump(code,name or fullname))
+            local code, n = strip_code_pc(dump(code,name))
             return loadstring(code), n
+        elseif luautilities.alwaysstripcode then
+            return loadstring(strip_code_pc(dump(code),name))
         else
             return code, 0
         end
+    elseif luautilities.alwaysstripcode then
+        return loadstring(strip_code_pc(dump(code),name))
     else
         return code, 0
     end
 end
 
-function luautilities.strippedloadstring(str,forcestrip,name) -- better inline
-    if forcestrip and luautilities.stripcode then
-        local code, n = strip_code_pc(dump(loadstring(str)),name)
-        return loadstring(code), n
-    else
-        return loadstring(str)
+function luautilities.strippedloadstring(code,forcestrip,name) -- not executed
+    local n = 0
+    if (forcestrip and luautilities.stripcode) or luautilities.alwaysstripcode then
+        code = loadstring(code)
+        if not code then
+            fatalerror(name)
+        end
+        code, n = strip_code_pc(dump(code),name)
     end
+    return loadstring(code), n
 end
 
 local function stupidcompile(luafile,lucfile,strip)
-    local data = io.loaddata(luafile)
-    if data and data ~= "" then
-        data = dump(loadstring(data))
+    local code = io.loaddata(luafile)
+    if code and code ~= "" then
+        code = loadstring(code)
+        if not code then
+            fatalerror()
+        end
+        code = dump(code)
         if strip then
-            data = strippedbytecode(data,true,luafile) -- last one is reported
+            code = strippedbytecode(code,true,luafile) -- last one is reported
         end
-        if data and data ~= "" then
-            io.savedata(lucfile,data)
+        if code and code ~= "" then
+            io.savedata(lucfile,code)
         end
     end
 end
diff --git a/scripts/context/stubs/mswin/mtxrun.lua b/scripts/context/stubs/mswin/mtxrun.lua
index 3045b6866..f65c8c0ac 100644
--- a/scripts/context/stubs/mswin/mtxrun.lua
+++ b/scripts/context/stubs/mswin/mtxrun.lua
@@ -2962,6 +2962,11 @@ end
 file.isreadable = file.is_readable -- depricated
 file.iswritable = file.is_writable -- depricated
 
+function file.size(name)
+    local a = attributes(name)
+    return a and a.size or 0
+end
+
 -- todo: lpeg \\ / .. does not save much
 
 local checkedsplit = string.checkedsplit
@@ -4877,6 +4882,7 @@ utilities.report   = logs and logs.reporter("system") or print
 local tracestripping           = false
 local forcestupidcompile       = true
 luautilities.stripcode         = true
+luautilities.alwaysstripcode   = false -- saves 1 meg on 7 meg compressed format file (2012.08.12)
 luautilities.nofstrippedchunks = 0
 luautilities.nofstrippedbytes  = 0
 
@@ -4962,7 +4968,7 @@ end
 -- ... end of borrowed code.
 
 local function strippedbytecode(code,forcestrip,name)
-    if forcestrip and luautilities.stripcode then
+    if (forcestrip and luautilities.stripcode) or luautilities.alwaysstripcode then
         return strip_code_pc(code,name)
     else
         return code, 0
@@ -4972,8 +4978,16 @@ end
 luautilities.stripbytecode    = strip_code_pc
 luautilities.strippedbytecode = strippedbytecode
 
+local function fatalerror(name)
+    utilities.report(format("fatal error in %q",name or "unknown"))
+end
+
+-- quite subtle ... doing this wrong incidentally can give more bytes
+
+
 function luautilities.loadedluacode(fullname,forcestrip,name)
     -- quite subtle ... doing this wrong incidentally can give more bytes
+    name = name or fullname
     local code = loadfile(fullname)
     if code then
         code()
@@ -4983,34 +4997,45 @@ function luautilities.loadedluacode(fullname,forcestrip,name)
             forcestrip = forcestrip(fullname)
         end
         if forcestrip then
-            local code, n = strip_code_pc(dump(code,name or fullname))
+            local code, n = strip_code_pc(dump(code,name))
             return loadstring(code), n
+        elseif luautilities.alwaysstripcode then
+            return loadstring(strip_code_pc(dump(code),name))
         else
             return code, 0
         end
+    elseif luautilities.alwaysstripcode then
+        return loadstring(strip_code_pc(dump(code),name))
     else
         return code, 0
     end
 end
 
-function luautilities.strippedloadstring(str,forcestrip,name) -- better inline
-    if forcestrip and luautilities.stripcode then
-        local code, n = strip_code_pc(dump(loadstring(str)),name)
-        return loadstring(code), n
-    else
-        return loadstring(str)
+function luautilities.strippedloadstring(code,forcestrip,name) -- not executed
+    local n = 0
+    if (forcestrip and luautilities.stripcode) or luautilities.alwaysstripcode then
+        code = loadstring(code)
+        if not code then
+            fatalerror(name)
+        end
+        code, n = strip_code_pc(dump(code),name)
     end
+    return loadstring(code), n
 end
 
 local function stupidcompile(luafile,lucfile,strip)
-    local data = io.loaddata(luafile)
-    if data and data ~= "" then
-        data = dump(loadstring(data))
+    local code = io.loaddata(luafile)
+    if code and code ~= "" then
+        code = loadstring(code)
+        if not code then
+            fatalerror()
+        end
+        code = dump(code)
         if strip then
-            data = strippedbytecode(data,true,luafile) -- last one is reported
+            code = strippedbytecode(code,true,luafile) -- last one is reported
         end
-        if data and data ~= "" then
-            io.savedata(lucfile,data)
+        if code and code ~= "" then
+            io.savedata(lucfile,code)
         end
     end
 end
diff --git a/scripts/context/stubs/unix/mtxrun b/scripts/context/stubs/unix/mtxrun
index 3045b6866..f65c8c0ac 100644
--- a/scripts/context/stubs/unix/mtxrun
+++ b/scripts/context/stubs/unix/mtxrun
@@ -2962,6 +2962,11 @@ end
 file.isreadable = file.is_readable -- depricated
 file.iswritable = file.is_writable -- depricated
 
+function file.size(name)
+    local a = attributes(name)
+    return a and a.size or 0
+end
+
 -- todo: lpeg \\ / .. does not save much
 
 local checkedsplit = string.checkedsplit
@@ -4877,6 +4882,7 @@ utilities.report   = logs and logs.reporter("system") or print
 local tracestripping           = false
 local forcestupidcompile       = true
 luautilities.stripcode         = true
+luautilities.alwaysstripcode   = false -- saves 1 meg on 7 meg compressed format file (2012.08.12)
 luautilities.nofstrippedchunks = 0
 luautilities.nofstrippedbytes  = 0
 
@@ -4962,7 +4968,7 @@ end
 -- ... end of borrowed code.
 
 local function strippedbytecode(code,forcestrip,name)
-    if forcestrip and luautilities.stripcode then
+    if (forcestrip and luautilities.stripcode) or luautilities.alwaysstripcode then
         return strip_code_pc(code,name)
     else
         return code, 0
@@ -4972,8 +4978,16 @@ end
 luautilities.stripbytecode    = strip_code_pc
 luautilities.strippedbytecode = strippedbytecode
 
+local function fatalerror(name)
+    utilities.report(format("fatal error in %q",name or "unknown"))
+end
+
+-- quite subtle ... doing this wrong incidentally can give more bytes
+
+
 function luautilities.loadedluacode(fullname,forcestrip,name)
     -- quite subtle ... doing this wrong incidentally can give more bytes
+    name = name or fullname
     local code = loadfile(fullname)
     if code then
         code()
@@ -4983,34 +4997,45 @@ function luautilities.loadedluacode(fullname,forcestrip,name)
             forcestrip = forcestrip(fullname)
         end
         if forcestrip then
-            local code, n = strip_code_pc(dump(code,name or fullname))
+            local code, n = strip_code_pc(dump(code,name))
             return loadstring(code), n
+        elseif luautilities.alwaysstripcode then
+            return loadstring(strip_code_pc(dump(code),name))
         else
             return code, 0
         end
+    elseif luautilities.alwaysstripcode then
+        return loadstring(strip_code_pc(dump(code),name))
     else
         return code, 0
     end
 end
 
-function luautilities.strippedloadstring(str,forcestrip,name) -- better inline
-    if forcestrip and luautilities.stripcode then
-        local code, n = strip_code_pc(dump(loadstring(str)),name)
-        return loadstring(code), n
-    else
-        return loadstring(str)
+function luautilities.strippedloadstring(code,forcestrip,name) -- not executed
+    local n = 0
+    if (forcestrip and luautilities.stripcode) or luautilities.alwaysstripcode then
+        code = loadstring(code)
+        if not code then
+            fatalerror(name)
+        end
+        code, n = strip_code_pc(dump(code),name)
     end
+    return loadstring(code), n
 end
 
 local function stupidcompile(luafile,lucfile,strip)
-    local data = io.loaddata(luafile)
-    if data and data ~= "" then
-        data = dump(loadstring(data))
+    local code = io.loaddata(luafile)
+    if code and code ~= "" then
+        code = loadstring(code)
+        if not code then
+            fatalerror()
+        end
+        code = dump(code)
         if strip then
-            data = strippedbytecode(data,true,luafile) -- last one is reported
+            code = strippedbytecode(code,true,luafile) -- last one is reported
         end
-        if data and data ~= "" then
-            io.savedata(lucfile,data)
+        if code and code ~= "" then
+            io.savedata(lucfile,code)
         end
     end
 end