#640 Less redudant code should be generated by compiler

Closed
opened 8 years ago by nero · 1 comments

Originally at 2013-08-29T12:46:17Z by Herbert Vojčík

fn: function (anObject){
var self=this;
return smalltalk.withContext(function($ctx1) { 
var $1,$2,$4,$5,$3;
$1=anObject;
if(($receiver = $1) == nil || $receiver == undefined){
$2=self._for_(self._defaultType());
return $2;
} else {
$1;
};
$4=self._for_(_st(anObject)._type());
_st($4)._setupFromJson_(anObject);
$5=_st($4)._yourself();
$3=$5;
return $3;
}

should be (ignoring semicolons after if, I will put it in another issue)

fn: function (anObject){
var self=this;
return smalltalk.withContext(function($ctx1) { 
var $1,$2;
$1=anObject;
if(($receiver = $1) == nil || $receiver == undefined){
return self._for_(self._defaultType());
};
$2=self._for_(_st(anObject)._type());
_st($2)._setupFromJson_(anObject);
return _st($2)._yourself();
}

That it is possible is proven by by the former design of new compiler (thrown in favour of multilayered OPAL one which we have today). The concept of aliasing used there was much stronger (probably because it was lazier) and produced denser output.

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Originally at 2013-08-29T12:46:17Z by Herbert Vojčík ```js fn: function (anObject){ var self=this; return smalltalk.withContext(function($ctx1) { var $1,$2,$4,$5,$3; $1=anObject; if(($receiver = $1) == nil || $receiver == undefined){ $2=self._for_(self._defaultType()); return $2; } else { $1; }; $4=self._for_(_st(anObject)._type()); _st($4)._setupFromJson_(anObject); $5=_st($4)._yourself(); $3=$5; return $3; } ``` should be (ignoring semicolons after if, I will put it in another issue) ```js fn: function (anObject){ var self=this; return smalltalk.withContext(function($ctx1) { var $1,$2; $1=anObject; if(($receiver = $1) == nil || $receiver == undefined){ return self._for_(self._defaultType()); }; $2=self._for_(_st(anObject)._type()); _st($2)._setupFromJson_(anObject); return _st($2)._yourself(); } ``` That it is possible is proven by by the former design of new compiler (thrown in favour of multilayered OPAL one which we have today). The concept of aliasing used there was much stronger (probably because it was lazier) and produced denser output. <bountysource-plugin> --- Want to back this issue? **[Post a bounty on it!](https://www.bountysource.com/issues/7400889-less-redudant-code-should-be-generated-by-compiler?utm_campaign=plugin&utm_content=tracker%2F79201&utm_medium=issues&utm_source=github)** We accept bounties via [Bountysource](https://www.bountysource.com/?utm_campaign=plugin&utm_content=tracker%2F79201&utm_medium=issues&utm_source=github). </bountysource-plugin>
Herby Vojčík commented 3 years ago
Owner

Should be fixed. Closing.

Should be fixed. Closing.
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