PPCConfiguration refactoring: [2/10]: introduced PPCCompilationContext
Moved parser class/scanner class instvars from PPCConfiguration subclasses
to the context. Made PPCConfiguration to keep an instance of context.
This is a preparation for having only one PPCConfiguration-like class.
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
Object subclass:#PPCConfiguration
instanceVariableNames:'context options ir history'
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Core'
!
!PPCConfiguration class methodsFor:'as yet unclassified'!
default
^ self universal
!
new
^ self basicNew
initialize;
yourself
!
tokenizing
^ PPCTokenizingConfiguration new
!
universal
^ PPCUniversalConfiguration new
! !
!PPCConfiguration methodsFor:'accessing'!
defaultArguments
^ PPCCompilationOptions default
"Modified: / 24-08-2015 / 23:39:50 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
input: whatever
ir := whatever.
self remember: (self copyTree: ir) as: #input
!
ir
^ ir
!
ir: whatever
ir := whatever
!
options
options isNil ifTrue: [ options := self defaultArguments ].
^ options
!
options: args
options := args
! !
!PPCConfiguration methodsFor:'caching'!
cacheFirstSet
"Creates a PPCNodes from a PPParser"
| firstSets |
firstSets := ir firstSets.
ir allNodesDo: [ :node |
node firstSet: (firstSets at: node)
]
!
cacheFirstSetWithProductions
"Creates a PPCNodes from a PPParser"
| firstSets |
firstSets := ir firstSetsSuchThat: [:e | e name isNil not ].
ir allNodesDo: [ :node |
node firstSetWithProductions: (firstSets at: node)
]
!
cacheFirstSetWithTokens
"Creates a PPCNodes from a PPParser"
| firstSets |
firstSets := ir firstSetsSuchThat: [:e | e isTerminal or: [ e isTokenNode ] ].
ir allNodesDo: [ :node |
node firstSetWithTokens: (firstSets at: node)
]
!
cacheFollowSet
"Creates a PPCNodes from a PPParser"
| followSets |
followSets := ir followSets.
ir allNodesDo: [ :node |
node followSet: (followSets at: node)
]
!
cacheFollowSetWithTokens
"Creates a PPCNodes from a PPParser"
| followSets |
followSets := ir followSetsSuchThat: [:e | e isTerminal or: [ e isTokenNode ] ].
ir allNodesDo: [ :node |
node followSetWithTokens: (followSets at: node)
]
! !
!PPCConfiguration methodsFor:'compiling'!
compile: whatever
| time |
self input: whatever.
time := [ self invokePhases ] timeToRun.
((Smalltalk respondsTo:#isSmalltalkX) and:[Smalltalk isSmalltalkX]) ifFalse:[
"Assume Pharo"
time := time asMilliSeconds.
].
self reportTime: time.
^ ir
"Modified: / 17-08-2015 / 13:06:31 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
invokePhases
self subclassResponsibility
! !
!PPCConfiguration methodsFor:'debugging'!
copy: somethingTransformable
self deprecated: 'copy on your own, or whatever, but dont use me'.
^ somethingTransformable transform: [ :e | e copy ]
!
copyTree: somethingTransformable
^ somethingTransformable transform: [ :e | e copy ]
!
remember: key
self deprecated: 'use remember:as:'.
self options debug ifTrue: [
history add: key -> (self copy: ir).
]
!
remember: value as: key
self options debug ifTrue: [
history add: key -> value.
]
! !
!PPCConfiguration methodsFor:'initialization'!
initialize
history := OrderedCollection new.
context := PPCCompilationContext new.
options := PPCCompilationOptions default.
"Modified: / 25-08-2015 / 00:02:20 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !
!PPCConfiguration methodsFor:'phases'!
cacheFirstFollow
options cacheFirstFollow ifFalse: [ ^ self ] .
self cacheFirstSet.
self cacheFollowSet.
self cacheFirstSetWithTokens.
self cacheFollowSetWithTokens.
!
check
ir checkTree
!
createRecognizingComponents
options recognizingComponents ifFalse: [ ^ self ] .
ir := PPCRecognizerComponentDetector new
options: options;
visit: ir.
self remember: (self copyTree: ir) as: #recognizingComponents
!
createTokens
options detectTokens ifFalse: [ ^ self ] .
ir := PPCTokenDetector new
options: options;
visit: ir.
self remember: (self copyTree: ir) as: #createTokens
!
inline
options inline ifFalse: [ ^ self ].
ir := PPCInliningVisitor new
options: options;
visit: ir.
self remember: (self copyTree: ir) as: #inline.
!
merge
"Merge equivalent nodes under one object with single identity"
options merge ifFalse: [ ^ self ].
ir := PPCMergingVisitor new
options: options;
visit: ir.
self remember: (self copyTree: ir) as: #merge
!
specialize
options specialize ifFalse: [ ^ self ].
"
Invokes a visitor that creates specialized nodes
for some patterns of PPCNodes,
e.g. $a astar can be represented by PPCCharacterStarNode
"
ir := (PPCSpecializingVisitor new
options: options;
visit: ir).
self remember: (self copyTree: ir) as: #specialize
!
toPPCIr
"Creates a PPCNodes from a PPParser"
ir := ir asCompilerTree.
self remember: (self copyTree: ir) as: #ppcNodes
! !
!PPCConfiguration methodsFor:'reporting'!
reportTime: timeInMs
options profile ifTrue: [
Transcript show: 'Time to compile: ', timeInMs asString, ' ms'; cr.
]
! !