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Add the optimal attribute to the out typemap for more optimal code generation when returning objects by value

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@10450 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton 2008-05-14 22:12:31 +00:00
commit 336b50b43d
39 changed files with 726 additions and 833 deletions
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11
Source/Modules/lua.cxx
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@ -362,7 +362,7 @@ public:
we need to add a couple of local variables
NEW LANGUAGE NOTE:END ************************************************/
Wrapper *f = NewWrapper();
Wrapper_add_local(f, "SWIG_arg", "int SWIG_arg = -1");
Wrapper_add_local(f, "SWIG_arg", "int SWIG_arg = 0");
String *wname = Swig_name_wrapper(iname);
@ -383,10 +383,9 @@ public:
it will print
int arg1;
int arg2;
int result;
NEW LANGUAGE NOTE:END ************************************************/
/* Write code to extract function parameters. */
emit_args(d, l, f);
emit_parameter_variables(l, f);
/* Attach the standard typemaps */
emit_attach_parmmaps(l, f);
@ -554,16 +553,15 @@ public:
Setattr(n, "wrap:name", wname);
/* Emit the function call */
emit_action(n, f);
String *actioncode = emit_action(n);
/* NEW LANGUAGE NOTE:***********************************************
FIXME:
returns 1 if there is a void return type
this is because there is a typemap for void
NEW LANGUAGE NOTE:END ************************************************/
Printv(f->code, "SWIG_arg=0;\n", NIL);
// Return value if necessary
if ((tm = Swig_typemap_lookup_new("out", n, "result", 0))) {
if ((tm = Swig_typemap_lookup_out("out", n, "result", f, actioncode))) {
// managing the number of returning variables
// if (numoutputs=Getattr(tm,"numoutputs")){
// int i=GetInt(tm,"numoutputs");
@ -582,6 +580,7 @@ public:
} else {
Swig_warning(WARN_TYPEMAP_OUT_UNDEF, input_file, line_number, "Unable to use return type %s in function %s.\n", SwigType_str(d, 0), name);
}
emit_return_variable(n, d, f);
/* Output argument output code */
Printv(f->code, outarg, NIL);