compiler/PPCTokenizingVisitor.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 17 Aug 2015 12:13:16 +0100
changeset 515 b5316ef15274
parent 502 1e45d3c96ec5
child 516 3b81c9e53352
child 524 f6f68d32de73
permissions -rw-r--r--
Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17 Name: PetitCompiler-JanKurs.160 Author: JanKurs Time: 17-08-2015, 09:52:26.291 AM UUID: 3b4bfc98-8098-4951-af83-a59e2585b121 Name: PetitCompiler-Tests-JanKurs.112 Author: JanKurs Time: 16-08-2015, 05:00:32.936 PM UUID: 85613d47-08f3-406f-9823-9cdab451e805 Name: PetitCompiler-Extras-Tests-JanKurs.25 Author: JanKurs Time: 16-08-2015, 05:00:10.328 PM UUID: 09731810-51a1-4151-8d3a-56b636fbd1f7 Name: PetitCompiler-Benchmarks-JanKurs.17 Author: JanKurs Time: 05-08-2015, 05:29:32.407 PM UUID: e544b5f1-bcf8-470b-93a6-d2363e4dfc8a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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"{ NameSpace: Smalltalk }"
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PPCRewritingVisitor subclass:#PPCTokenizingVisitor
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	instanceVariableNames:'tokens'
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	classVariableNames:''
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	poolDictionaries:''
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	category:'PetitCompiler-Visitors'
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!
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!PPCTokenizingVisitor methodsFor:'hooks'!
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afterAccept: node retval: parserNode
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    self isRoot ifTrue: [ 
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        | tokensNode whitespaceNode |
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        self change.
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"		tokens addLast: self eofToken."
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        tokens do: [ :token | token unmarkForInline ].
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        whitespaceNode := tokens detect: [ :e | e isTrimmingTokenNode ] ifNone: [ nil ].
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        whitespaceNode notNil ifTrue: [ 
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                whitespaceNode := whitespaceNode whitespace copy
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                    unmarkForInline;
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                    name: 'consumeWhitespace';
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                    yourself.
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                "whitespaceNode := PPCTokenWhitespaceNode new
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                    child: whitespaceNode;
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                    yourself"
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        ] ifFalse: [ 
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                whitespaceNode := PPCNilNode new
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                    name: 'consumeWhitespace';
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                    yourself 
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        ].
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        tokensNode := PPCListNode new
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            children: tokens asArray;
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            name: 'nextToken';
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            yourself.
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        ^ PPCTokenizingParserNode new
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            parser: parserNode;
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            whitespace: whitespaceNode;
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            tokens: tokensNode;
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            name: #mainParser;
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            yourself ].
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    ^ parserNode
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502
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    "Modified: / 12-05-2015 / 01:37:57 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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!
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eofToken
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    | ws  |
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    self error: 'deprecated?'.
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    ws := PPCStarNode new
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        child: (PPCMessagePredicateNode new
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            message: #isSeparator;
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            yourself);
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        yourself.
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    ^ PPCTrimmingTokenNode new
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        child: PPCEndOfFileNode new;
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        whitespace: ws;
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        tokenClass: PPToken;
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        name: 'eof'
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        yourself.
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! !
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!PPCTokenizingVisitor methodsFor:'initialization'!
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initialize
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    super initialize.
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    tokens := OrderedCollection new.
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! !
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9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    75
!PPCTokenizingVisitor methodsFor:'testing'!
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    76
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    77
isRoot
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    78
    ^ openSet size = 1
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    79
! !
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    80
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    81
!PPCTokenizingVisitor methodsFor:'tokens'!
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    82
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    83
addToken: token
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    84
    (tokens contains: [:e | e == token] ) ifFalse: [ 
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    85
        tokens addLast: token
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    86
    ]
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    87
! !
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    88
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    89
!PPCTokenizingVisitor methodsFor:'visiting'!
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    90
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    91
visitActionNode: node
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    92
    (node hasProperty: #trimmingToken) ifTrue: [ 
515
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
    93
        self halt: 'can this happen?'.
452
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    94
        self change.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    95
        self addToken: node.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    96
        
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    97
        ^ PPCTokenConsumeNode new
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    98
            child: node;
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    99
            yourself	
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   100
    ].
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   101
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   102
    ^ super visitActionNode: node
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   103
!
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   104
515
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   105
visitTokenConsumeNode: node
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   106
    "
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   107
        Seems, it might happen, that if I create the consume node, 
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   108
        I will ge to it later. This would create a token consume node for the
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   109
        child, thus having tokenConsumNode with tokenConsumNode as a child...
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   110
    "
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   111
    ^ node
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   112
!
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   113
452
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   114
visitTokenNode: node
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   115
    self change.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   116
    self addToken: node.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   117
    
515
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   118
    self assert: node acceptsEpsilon not description: 'Sorry, but the epsilon tokens are not allowed'.
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   119
    
452
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   120
    ^ PPCTokenConsumeNode new
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   121
        child: node;
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   122
        yourself.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   123
!
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   124
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   125
visitTrimmingTokenNode: node
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   126
    self change.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   127
    self addToken: node.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   128
    
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   129
    ^ PPCTokenConsumeNode new
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   130
        child: node;
515
b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 502
diff changeset
   131
        name: node name;
452
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   132
        yourself.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   133
! !
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
   134