Changeset 248

Timestamp:

06/16/06 14:39:49 (6 years ago)

Author:

sean

Message:

Now allocating all Win32 arg buffer data on the stack using alloca. The code is a tad messier, but it's worth avoiding using the GC or DMA in this portion of the runtime code. Unless it turns out later that huge arg strings are eating up too much stack space, that is.

Files:

• trunk/lib/compiler/digitalmars/dmain2.d (modified) (2 diffs)

trunk/lib/compiler/digitalmars/dmain2.d

@@ -67 +67 @@
-}
-
-extern (C) bool no_catch_exceptions = false;
-
-/***********************************
- * The D main() function supplied by the user's program
@@ -100 +98 @@
-    }
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-    {
-        _moduleCtor();
-        _moduleUnitTests();
-
-        version (Win32)
-        {
-            int       wargc = 0;
-            wchar_t** wargs = CommandLineToArgvW(GetCommandLineW(), &wargc);
-            assert(wargc == argc);
-
-            args = new char[][wargc];
-            for (int i = 0; i < wargc; i++)
-            {
-                int wlen = wcslen( wargs[i] );
-                int clen = WideCharToMultiByte(65001, 0, &wargs[i][0], wlen, null, 0, null, 0);
-                args[i] = new char[clen];
-                WideCharToMultiByte(65001, 0, &wargs[i][0], wlen, &args[i][0], clen, null, 0);
-            }
-            LocalFree(wargs);
-            wargs = null;
-            wargc = 0;
-        }
-        else
-        {
-            char[]* am = cast(char[]*) malloc(argc * (char[]).sizeof);
-            scope(exit) free(am);
-
-            for (int i = 0; i < argc; i++)
-            {
-                int len = strlen(argv[i]);
-                am[i] = argv[i][0 .. len];
-            }
-            args = am[0 .. argc];
-        }
-
-        result = main(args);
-        _moduleDtor();
-        gc_term();
-    }
-
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-    {
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-    }
-else
+catch (Object o)
-    {
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-    }
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