[squeak-dev] rewrite rule help
Eliot Miranda
eliot.miranda at gmail.com
Sat Jun 2 01:25:58 UTC 2018
Hi All,
can anyone tell me why the following rules
rules
replace: '``@statements. interpreterProxy pop: ``@const. interpreterProxy
pushInteger: ``@integer'
with: '``@statements. interpreterProxy methodReturnInteger: ``@integer';
replace: '``@statements. interpreterProxy pop: ``@const. ^interpreterProxy
pushInteger: ``@integer'
with: '``@statements. ^interpreterProxy methodReturnInteger: ``@integer'.
or
rules
replace: 'interpreterProxy pop: ``@const. interpreterProxy pushInteger:
``@integer'
with: 'interpreterProxy methodReturnInteger: ``@integer';
replace: 'interpreterProxy pop: ``@const. ^interpreterProxy pushInteger:
``@integer'
with: '^interpreterProxy methodReturnInteger: ``@integer'.
do edit this
primitiveRendererVersion
<export: true>
interpreterProxy methodArgumentCount = 0
ifFalse:[^interpreterProxy primitiveFail].
interpreterProxy pop: 1.
^interpreterProxy pushInteger: 1.
to
primitiveRendererVersion
<export: true>
interpreterProxy methodArgumentCount = 0
ifFalse: [ ^ interpreterProxy primitiveFail ].
^ interpreterProxy methodReturnInteger: 1
but not this?
primitiveTextureDepth
| handle result renderer |
<export: true>
interpreterProxy methodArgumentCount = 2
ifFalse:[^interpreterProxy primitiveFail].
handle := interpreterProxy stackIntegerValue: 0.
renderer := interpreterProxy stackIntegerValue: 1.
interpreterProxy failed ifTrue:[^nil].
result := self cCode:'b3dxActualTextureDepth(renderer, handle)'
inSmalltalk:[-1].
result < 0 ifTrue:[^interpreterProxy primitiveFail].
interpreterProxy pop: 3.
^interpreterProxy pushInteger: result.
_,,,^..^,,,_
best, Eliot
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