[Newcompiler] Changing just a part of a method

[Mathieu Suen]

Also If you want to use it you should load the NewParser

	Mth



On Jul 27, 2007, at 3:11 PM, Mathieu Suen wrote:

> So _ shouldn't be  used anymore.
> But I have publish a new AST version so the _ are kept.
>
> 	Mth
>
>
>
> On Jul 27, 2007, at 2:51 PM, Damien Cassou wrote:
>
>> 2007/7/27, Mathieu Suen <mathieusuen at yahoo.fr>:
>>> Try to use the SqueakParser in the NewParser package.
>>> Could you give me your code to let me try.
>>> Thanks
>>
>> CompiledMethod>>linesOfCode before change:
>>
>> linesOfCode
>> 	"An approximate measure of lines of code.
>> 	Includes comments, but excludes blank lines."
>> 	| strm line lines |
>> 	lines _ 0.
>> 	strm _ ReadStream on: self getSource.
>> 		[strm atEnd] whileFalse:
>> 			[line _ strm upTo: Character cr.
>> 			line isEmpty ifFalse: [lines _ lines+1]].
>> 	^lines
>>
>>
>> CompiledMethod>>linesOfCode after change using RBParser:
>>
>>  linesOfCode
>> 	"An approximate measure of lines of code.
>> 	Includes comments, but excludes blank lines."
>>
>> 	| strm line lines |
>> 	lines := 0.
>> 	strm := self getSource readStream.
>> 	[strm atEnd] whileFalse:
>> 			[line := strm upTo: Character cr.
>> 			line isEmpty ifFalse: [lines := lines + 1]].
>> 	^ lines
>>
>> All _ has been changed to := and I don't want this.
>>
>> The code to change the method is:
>>
>> rewriteRule := ParseTreeRewriter new.
>> rewriteRule replace: 'ReadStream on: ``@Expression' with:
>> '``@Expression readStream'.
>> tree := CompiledMethod parseTreeFor: #linesOfCode.
>> rewriteRule executeTree: tree.
>> rewriteRule tree printString.
>>
>>
>> I understand why this is like this: once you have a tree, you  
>> can't go
>> back to previous formatting. But is there a workaround?
>>
>> -- 
>> Damien Cassou
>
>
> 	
>
> 	
> 		
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