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"{ Package: 'stx:goodies/petitparser' }"
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PPAbstractParseTest subclass:#PPParserTest
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'PetitTests-Tests'
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!
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!PPParserTest methodsFor:'testing'!
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testAction
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| block parser |
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block := [ :char | char asUppercase ].
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parser := #any asParser ==> block.
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self assert: parser block = block.
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self assert: parser parse: 'a' to: $A.
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self assert: parser parse: 'b' to: $B
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!
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testAnd
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| parser |
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parser := 'foo' asParser flatten , 'bar' asParser flatten and.
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33
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0
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self assert: parser parse: 'foobar' to: #('foo' 'bar') end: 3.
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self assert: parser fail: 'foobaz'.
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33
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0
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parser := 'foo' asParser and.
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self assert: parser and = parser
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!
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testAnswer
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| parser |
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parser := $a asParser answer: $b.
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33
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self assert: parser parse: 'a' to: $b.
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33
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self assert: parser fail: ''.
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self assert: parser fail: 'b'
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!
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testBlock
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| parser |
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parser := [ :s | s next ] asParser.
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33
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0
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self assert: parser parse: 'ab' to: $a end: 1.
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self assert: parser parse: 'b' to: $b.
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self assert: parser parse: '' to: nil
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!
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testChoice
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| parser |
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parser := $a asParser / $b asParser.
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33
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0
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self assert: parser parse: 'a' to: $a.
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self assert: parser parse: 'b' to: $b.
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self assert: parser parse: 'ab' to: $a end: 1.
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self assert: parser parse: 'ba' to: $b end: 1.
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self assert: parser fail: ''.
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self assert: parser fail: 'c'.
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self assert: parser fail: 'ca'
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!
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testDelimitedBy
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| parser |
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parser := $a asParser delimitedBy: $b asParser.
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33
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0
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self assert: parser parse: 'a' to: #($a).
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self assert: parser parse: 'aba' to: #($a $b $a).
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self assert: parser parse: 'ababa' to: #($a $b $a $b $a).
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self assert: parser parse: 'ab' to: #($a $b).
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self assert: parser parse: 'abab' to: #($a $b $a $b).
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self assert: parser parse: 'ababab' to: #($a $b $a $b $a $b).
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0
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self assert: parser parse: 'ac' to: #($a) end: 1.
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self assert: parser parse: 'abc' to: #($a $b) end: 2.
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self assert: parser parse: 'abac' to: #($a $b $a) end: 3.
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self assert: parser parse: 'ababc' to: #($a $b $a $b) end: 4.
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0
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self assert: parser fail: ''.
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self assert: parser fail: 'b'.
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self assert: parser fail: 'c'
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!
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testEndOfInput
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| parser |
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parser := PPEndOfInputParser on: $a asParser.
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self assert: parser end = parser.
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self assert: parser parse: 'a' to: $a.
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self assert: parser fail: ''.
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self assert: parser fail: 'aa'
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!
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testEndOfInputAfterMatch
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| parser |
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parser := 'stuff' asParser end.
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self assert: parser parse: 'stuff' to: 'stuff'.
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self assert: parser fail: 'stufff'.
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self assert: parser fail: 'fluff'
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!
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testEpsilon
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| parser |
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parser := nil asParser.
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33
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self assert: parser parse: '' to: nil.
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self assert: parser parse: 'a' to: nil end: 0.
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self assert: parser parse: 'ab' to: nil end: 0
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!
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testFailing
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| parser result |
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parser := PPFailingParser message: 'Plonk'.
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self assert: parser message = 'Plonk'.
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self assert: parser fail: ''.
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self assert: parser fail: 'a'.
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self assert: parser fail: 'aa'.
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result := parser parse: 'a'.
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self assert: result message = 'Plonk'.
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self assert: result printString = 'Plonk at 0'
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!
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testFlatten
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| parser |
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parser := $a asParser flatten.
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self assert: parser parse: 'a' to: 'a'.
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self assert: parser parse: #($a) to: #($a).
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self assert: parser fail: ''.
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self assert: parser fail: 'b'
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!
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testLiteralObject
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| parser |
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parser := PPLiteralObjectParser
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on: $a
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message: 'letter "a" expected'.
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self assert: parser literal = $a.
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self assert: parser message = 'letter "a" expected'.
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0
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self assert: parser parse: 'a' to: $a.
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self assert: parser fail: 'b'
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0
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!
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testLiteralObjectCaseInsensitive
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| parser |
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parser := $a asParser caseInsensitive.
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0
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self assert: parser parse: 'a' to: $a.
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self assert: parser parse: 'A' to: $A.
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self assert: parser fail: ''.
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self assert: parser fail: 'b'.
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self assert: parser fail: 'B'
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0
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!
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testLiteralSequence
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| parser |
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parser := PPLiteralSequenceParser
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0
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on: 'abc'
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message: 'sequence "abc" expected'.
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self assert: parser size = 3.
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self assert: parser literal = 'abc'.
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self assert: parser message = 'sequence "abc" expected'.
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0
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self assert: parser parse: 'abc' to: 'abc'.
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self assert: parser fail: 'ab'.
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self assert: parser fail: 'abd'
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!
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testLiteralSequenceCaseInsensitive
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| parser |
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parser := 'abc' asParser caseInsensitive.
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33
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0
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self assert: parser parse: 'abc' to: 'abc'.
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self assert: parser parse: 'ABC' to: 'ABC'.
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self assert: parser parse: 'abC' to: 'abC'.
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self assert: parser parse: 'AbC' to: 'AbC'.
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0
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self assert: parser fail: 'ab'.
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self assert: parser fail: 'abd'
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!
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testMax
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| parser |
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parser := $a asParser max: 2.
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self assert: parser min = 0.
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self assert: parser max = 2.
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self assert: parser parse: '' to: #().
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self assert: parser parse: 'a' to: #($a).
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self assert: parser parse: 'aa' to: #($a $a).
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self assert: parser parse: 'aaa' to: #($a $a) end: 2.
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self assert: parser parse: 'aaaa' to: #($a $a) end: 2.
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0
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self assert: (parser printString endsWith: '[0, 2]')
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!
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testMemoized
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| count parser twice |
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count := 0.
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parser := [ :s | count := count + 1. s next ] asParser memoized.
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twice := parser and , parser.
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count := 0.
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self assert: parser parse: 'a' to: $a.
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self assert: count = 1.
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count := 0.
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self assert: twice parse: 'a' to: #($a $a).
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self assert: count = 1.
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self assert: parser memoized = parser
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!
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testMin
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| parser |
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parser := $a asParser min: 2.
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self assert: parser min = 2.
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self assert: parser max > parser min.
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0
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self assert: parser fail: ''.
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self assert: parser fail: 'a'.
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self assert: parser parse: 'aa' to: #($a $a).
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self assert: parser parse: 'aaa' to: #($a $a $a).
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self assert: parser parse: 'aaaa' to: #($a $a $a $a).
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0
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self assert: (parser printString endsWith: '[2, *]')
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!
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testMinMax
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| parser |
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parser := $a asParser min: 2 max: 4.
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self assert: parser min = 2.
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self assert: parser max = 4.
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0
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self assert: parser fail: ''.
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self assert: parser fail: 'a'.
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self assert: parser parse: 'aa' to: #($a $a).
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self assert: parser parse: 'aaa' to: #($a $a $a).
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self assert: parser parse: 'aaaa' to: #($a $a $a $a).
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self assert: parser parse: 'aaaaa' to: #($a $a $a $a) end: 4.
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self assert: parser parse: 'aaaaaa' to: #($a $a $a $a) end: 4.
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0
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self assert: (parser printString endsWith: '[2, 4]')
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!
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testNegate
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| parser |
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parser := 'foo' asParser negate.
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0
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self assert: parser parse: 'f' to: $f end: 1.
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self assert: parser parse: 'fo' to: $f end: 1.
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self assert: parser parse: 'fob' to: $f end: 1.
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self assert: parser parse: 'ffoo' to: $f end: 1.
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self assert: parser fail: ''.
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self assert: parser fail: 'foo'
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!
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testNot
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| parser |
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parser := 'foo' asParser flatten , 'bar' asParser flatten not.
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self assert: parser parse: 'foobaz' to: #('foo' nil) end: 3.
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self assert: parser fail: 'foobar'
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!
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testOptional
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| parser |
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parser := $a asParser optional.
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0
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self assert: parser parse: '' to: nil.
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self assert: parser parse: 'a' to: $a.
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0
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self assert: parser parse: 'aa' to: $a end: 1.
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self assert: parser parse: 'ab' to: $a end: 1.
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self assert: parser parse: 'b' to: nil end: 0.
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self assert: parser parse: 'bb' to: nil end: 0.
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self assert: parser parse: 'ba' to: nil end: 0
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!
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testPermutation
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| parser |
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parser := #any asParser , #any asParser , #any asParser.
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self assert: (parser permutation: #()) parse: '123' to: #().
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self assert: (parser permutation: #(1)) parse: '123' to: #($1).
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self assert: (parser permutation: #(1 3)) parse: '123' to: #($1 $3).
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self assert: (parser permutation: #(3 1)) parse: '123' to: #($3 $1).
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self assert: (parser permutation: #(2 2)) parse: '123' to: #($2 $2).
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self assert: (parser permutation: #(3 2 1)) parse: '123' to: #($3 $2 $1).
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305 |
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0
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self should: [ parser permutation: #(0) ] raise: Error.
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self should: [ parser permutation: #(4) ] raise: Error.
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self should: [ parser permutation: #($2) ] raise: Error
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!
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testPluggable
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| block parser |
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block := [ :stream | stream position ].
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parser := block asParser.
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self assert: parser block = block
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!
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testPlus
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| parser |
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parser := $a asParser plus.
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self assert: parser min = 1.
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self assert: parser max > parser min.
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323 |
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0
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self assert: parser parse: 'a' to: #($a).
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self assert: parser parse: 'aa' to: #($a $a).
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self assert: parser parse: 'aaa' to: #($a $a $a).
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0
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self assert: parser parse: 'ab' to: #($a) end: 1.
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self assert: parser parse: 'aab' to: #($a $a) end: 2.
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self assert: parser parse: 'aaab' to: #($a $a $a) end: 3.
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331 |
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0
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self assert: parser fail: ''.
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self assert: parser fail: 'b'.
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self assert: parser fail: 'ba'
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335 |
!
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336 |
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337 |
testPlusGreedy
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| parser |
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parser := #word asParser plusGreedy: #digit asParser.
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340 |
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self assert: parser fail: ''.
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self assert: parser fail: '1'.
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self assert: parser fail: 'a'.
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344 |
self assert: parser fail: 'ab'.
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345 |
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self assert: parser parse: 'a1' to: #($a) end: 1.
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347 |
self assert: parser parse: 'ab1' to: #($a $b) end: 2.
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self assert: parser parse: 'abc1' to: #($a $b $c) end: 3.
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349 |
self assert: parser parse: 'a12' to: #($a $1) end: 2.
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self assert: parser parse: 'ab12' to: #($a $b $1) end: 3.
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self assert: parser parse: 'abc12' to: #($a $b $c $1) end: 4.
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self assert: parser parse: 'a123' to: #($a $1 $2) end: 3.
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self assert: parser parse: 'ab123' to: #($a $b $1 $2) end: 4.
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self assert: parser parse: 'abc123' to: #($a $b $c $1 $2) end: 5.
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355 |
!
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356 |
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357 |
testPlusLazy
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358 |
| parser |
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359 |
parser := #word asParser plusLazy: #digit asParser.
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360 |
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361 |
self assert: parser fail: ''.
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362 |
self assert: parser fail: '1'.
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363 |
self assert: parser fail: 'a'.
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364 |
self assert: parser fail: 'ab'.
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365 |
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366 |
self assert: parser parse: 'a1' to: #($a) end: 1.
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367 |
self assert: parser parse: 'ab1' to: #($a $b) end: 2.
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368 |
self assert: parser parse: 'abc1' to: #($a $b $c) end: 3.
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369 |
self assert: parser parse: 'a12' to: #($a) end: 1.
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370 |
self assert: parser parse: 'ab12' to: #($a $b) end: 2.
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self assert: parser parse: 'abc12' to: #($a $b $c) end: 3.
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self assert: parser parse: 'a123' to: #($a) end: 1.
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self assert: parser parse: 'ab123' to: #($a $b) end: 2.
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self assert: parser parse: 'abc123' to: #($a $b $c) end: 3
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375 |
!
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376 |
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377 |
testSeparatedBy
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378 |
| parser |
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379 |
parser := $a asParser separatedBy: $b asParser.
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33
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380 |
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0
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381 |
self assert: parser parse: 'a' to: #($a).
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382 |
self assert: parser parse: 'aba' to: #($a $b $a).
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383 |
self assert: parser parse: 'ababa' to: #($a $b $a $b $a).
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33
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384 |
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0
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385 |
self assert: parser parse: 'ab' to: #($a) end: 1.
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386 |
self assert: parser parse: 'abab' to: #($a $b $a) end: 3.
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387 |
self assert: parser parse: 'ac' to: #($a) end: 1.
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388 |
self assert: parser parse: 'abac' to: #($a $b $a) end: 3.
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33
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389 |
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0
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390 |
self assert: parser fail: ''.
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391 |
self assert: parser fail: 'c'
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392 |
!
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393 |
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394 |
testSequence
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395 |
| parser |
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396 |
parser := $a asParser , $b asParser.
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33
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397 |
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0
|
398 |
self assert: parser parse: 'ab' to: #($a $b).
|
33
|
399 |
|
0
|
400 |
self assert: parser parse: 'aba' to: #($a $b) end: 2.
|
|
401 |
self assert: parser parse: 'abb' to: #($a $b) end: 2.
|
33
|
402 |
|
0
|
403 |
self assert: parser fail: ''.
|
|
404 |
self assert: parser fail: 'a'.
|
|
405 |
self assert: parser fail: 'aa'.
|
|
406 |
self assert: parser fail: 'ba'.
|
|
407 |
self assert: parser fail: 'bab'
|
|
408 |
!
|
|
409 |
|
|
410 |
testStar
|
|
411 |
| parser |
|
|
412 |
parser := $a asParser star.
|
|
413 |
self assert: parser min = 0.
|
|
414 |
self assert: parser max > parser min.
|
33
|
415 |
|
0
|
416 |
self assert: parser parse: '' to: #().
|
|
417 |
self assert: parser parse: 'a' to: #($a).
|
|
418 |
self assert: parser parse: 'aa' to: #($a $a).
|
|
419 |
self assert: parser parse: 'aaa' to: #($a $a $a).
|
33
|
420 |
|
0
|
421 |
self assert: parser parse: 'b' to: #() end: 0.
|
|
422 |
self assert: parser parse: 'ab' to: #($a) end: 1.
|
|
423 |
self assert: parser parse: 'aab' to: #($a $a) end: 2.
|
|
424 |
self assert: parser parse: 'aaab' to: #($a $a $a) end: 3
|
|
425 |
!
|
|
426 |
|
|
427 |
testStarGreedy
|
|
428 |
| parser |
|
|
429 |
parser := #word asParser starGreedy: #digit asParser.
|
|
430 |
|
|
431 |
self assert: parser fail: ''.
|
|
432 |
self assert: parser fail: 'a'.
|
|
433 |
self assert: parser fail: 'ab'.
|
|
434 |
|
|
435 |
self assert: parser parse: '1' to: #() end: 0.
|
|
436 |
self assert: parser parse: 'a1' to: #($a) end: 1.
|
|
437 |
self assert: parser parse: 'ab1' to: #($a $b) end: 2.
|
|
438 |
self assert: parser parse: 'abc1' to: #($a $b $c) end: 3.
|
|
439 |
self assert: parser parse: '12' to: #($1) end: 1.
|
|
440 |
self assert: parser parse: 'a12' to: #($a $1) end: 2.
|
|
441 |
self assert: parser parse: 'ab12' to: #($a $b $1) end: 3.
|
|
442 |
self assert: parser parse: 'abc12' to: #($a $b $c $1) end: 4.
|
|
443 |
self assert: parser parse: '123' to: #($1 $2) end: 2.
|
|
444 |
self assert: parser parse: 'a123' to: #($a $1 $2) end: 3.
|
|
445 |
self assert: parser parse: 'ab123' to: #($a $b $1 $2) end: 4.
|
|
446 |
self assert: parser parse: 'abc123' to: #($a $b $c $1 $2) end: 5
|
|
447 |
!
|
|
448 |
|
|
449 |
testStarLazy
|
|
450 |
| parser |
|
|
451 |
parser := #word asParser starLazy: #digit asParser.
|
|
452 |
|
|
453 |
self assert: parser fail: ''.
|
|
454 |
self assert: parser fail: 'a'.
|
|
455 |
self assert: parser fail: 'ab'.
|
|
456 |
|
|
457 |
self assert: parser parse: '1' to: #() end: 0.
|
|
458 |
self assert: parser parse: 'a1' to: #($a) end: 1.
|
|
459 |
self assert: parser parse: 'ab1' to: #($a $b) end: 2.
|
|
460 |
self assert: parser parse: 'abc1' to: #($a $b $c) end: 3.
|
|
461 |
self assert: parser parse: '12' to: #() end: 0.
|
|
462 |
self assert: parser parse: 'a12' to: #($a) end: 1.
|
|
463 |
self assert: parser parse: 'ab12' to: #($a $b) end: 2.
|
|
464 |
self assert: parser parse: 'abc12' to: #($a $b $c) end: 3.
|
|
465 |
self assert: parser parse: '123' to: #() end: 0.
|
|
466 |
self assert: parser parse: 'a123' to: #($a) end: 1.
|
|
467 |
self assert: parser parse: 'ab123' to: #($a $b) end: 2.
|
|
468 |
self assert: parser parse: 'abc123' to: #($a $b $c) end: 3
|
|
469 |
!
|
|
470 |
|
|
471 |
testTimes
|
|
472 |
| parser |
|
|
473 |
parser := $a asParser times: 2.
|
33
|
474 |
|
0
|
475 |
self assert: parser fail: ''.
|
|
476 |
self assert: parser fail: 'a'.
|
|
477 |
self assert: parser parse: 'aa' to: #($a $a).
|
|
478 |
self assert: parser parse: 'aaa' to: #($a $a) end: 2
|
|
479 |
!
|
|
480 |
|
|
481 |
testToken
|
|
482 |
| parser |
|
|
483 |
parser := $a asParser token.
|
|
484 |
self assert: parser tokenClass = PPToken.
|
33
|
485 |
self assert: parser parse: 'a' toToken: 1 stop: 1.
|
0
|
486 |
self assert: parser fail: 'b'.
|
|
487 |
self assert: parser fail: ''.
|
33
|
488 |
|
0
|
489 |
parser := $a asParser token: PPToken.
|
|
490 |
self assert: parser tokenClass = PPToken.
|
33
|
491 |
self assert: parser parse: 'a' toToken: 1 stop: 1.
|
0
|
492 |
self assert: parser fail: ''.
|
|
493 |
self assert: parser fail: 'b'
|
|
494 |
!
|
|
495 |
|
|
496 |
testTrim
|
|
497 |
| parser |
|
|
498 |
parser := $a asParser token trim.
|
|
499 |
self assert: parser trim = parser.
|
33
|
500 |
|
0
|
501 |
self assert: parser parse: 'a' toToken: 1 stop: 1.
|
|
502 |
self assert: parser parse: 'a ' toToken: 1 stop: 1.
|
33
|
503 |
self assert: parser parse: 'a ' toToken: 1 stop: 1.
|
0
|
504 |
self assert: parser parse: 'a ' toToken: 1 stop: 1.
|
33
|
505 |
self assert: parser parse: 'a
|
0
|
506 |
' toToken: 1 stop: 1.
|
33
|
507 |
|
0
|
508 |
self assert: parser parse: 'a' toToken: 1 stop: 1.
|
|
509 |
self assert: parser parse: ' a' toToken: 2 stop: 2.
|
33
|
510 |
self assert: parser parse: ' a' toToken: 2 stop: 2.
|
0
|
511 |
self assert: parser parse: ' a' toToken: 5 stop: 5.
|
33
|
512 |
self assert: parser parse: '
|
0
|
513 |
a' toToken: 5 stop: 5.
|
33
|
514 |
|
0
|
515 |
self assert: parser parse: 'aa' toToken: 1 stop: 1 end: 1.
|
33
|
516 |
self assert: parser parse: 'a a' toToken: 1 stop: 1 end: 2.
|
0
|
517 |
self assert: parser parse: 'a a' toToken: 1 stop: 1 end: 3.
|
33
|
518 |
|
0
|
519 |
self assert: parser fail: ''.
|
|
520 |
self assert: parser fail: 'b'
|
|
521 |
!
|
|
522 |
|
|
523 |
testTrimBlanks
|
|
524 |
| parser |
|
|
525 |
parser := $a asParser token trimBlanks.
|
33
|
526 |
|
0
|
527 |
self assert: parser parse: 'a' toToken: 1 stop: 1.
|
|
528 |
self assert: parser parse: 'a ' toToken: 1 stop: 1.
|
33
|
529 |
self assert: parser parse: 'a ' toToken: 1 stop: 1.
|
0
|
530 |
self assert: parser parse: 'a ' toToken: 1 stop: 1.
|
33
|
531 |
|
0
|
532 |
self assert: parser parse: 'a' toToken: 1 stop: 1.
|
|
533 |
self assert: parser parse: ' a' toToken: 2 stop: 2.
|
33
|
534 |
self assert: parser parse: ' a' toToken: 2 stop: 2.
|
0
|
535 |
self assert: parser parse: ' a' toToken: 5 stop: 5.
|
33
|
536 |
|
0
|
537 |
self assert: parser parse: 'aa' toToken: 1 stop: 1 end: 1.
|
33
|
538 |
self assert: parser parse: 'a a' toToken: 1 stop: 1 end: 2.
|
0
|
539 |
self assert: parser parse: 'a a' toToken: 1 stop: 1 end: 3.
|
33
|
540 |
|
0
|
541 |
self assert: parser fail: ''.
|
|
542 |
self assert: parser fail: '
|
|
543 |
'.
|
|
544 |
self assert: parser fail: '
|
|
545 |
a'.
|
|
546 |
self assert: parser fail: 'b'.
|
|
547 |
!
|
|
548 |
|
|
549 |
testTrimSpaces
|
|
550 |
| parser |
|
|
551 |
parser := $a asParser token trimSpaces.
|
33
|
552 |
|
0
|
553 |
self assert: parser parse: 'a' toToken: 1 stop: 1.
|
|
554 |
self assert: parser parse: 'a ' toToken: 1 stop: 1.
|
33
|
555 |
self assert: parser parse: 'a ' toToken: 1 stop: 1.
|
0
|
556 |
self assert: parser parse: 'a ' toToken: 1 stop: 1.
|
33
|
557 |
self assert: parser parse: 'a
|
0
|
558 |
' toToken: 1 stop: 1.
|
33
|
559 |
|
0
|
560 |
self assert: parser parse: 'a' toToken: 1 stop: 1.
|
|
561 |
self assert: parser parse: ' a' toToken: 2 stop: 2.
|
33
|
562 |
self assert: parser parse: ' a' toToken: 2 stop: 2.
|
0
|
563 |
self assert: parser parse: ' a' toToken: 5 stop: 5.
|
33
|
564 |
self assert: parser parse: '
|
0
|
565 |
a' toToken: 5 stop: 5.
|
33
|
566 |
|
0
|
567 |
self assert: parser parse: 'aa' toToken: 1 stop: 1 end: 1.
|
33
|
568 |
self assert: parser parse: 'a a' toToken: 1 stop: 1 end: 2.
|
0
|
569 |
self assert: parser parse: 'a a' toToken: 1 stop: 1 end: 3.
|
33
|
570 |
|
0
|
571 |
self assert: parser fail: ''.
|
|
572 |
self assert: parser fail: 'b'
|
|
573 |
!
|
|
574 |
|
|
575 |
testUnresolved
|
|
576 |
| parser |
|
|
577 |
parser := PPUnresolvedParser new.
|
33
|
578 |
|
0
|
579 |
self assert: parser isUnresolved.
|
|
580 |
self should: [ parser parse: '' ] raise: Error.
|
|
581 |
self should: [ parser parse: 'a' ] raise: Error.
|
|
582 |
self should: [ parser parse: 'ab' ] raise: Error.
|
33
|
583 |
|
0
|
584 |
parser := nil asParser.
|
|
585 |
self deny: parser isUnresolved
|
|
586 |
!
|
|
587 |
|
|
588 |
testWrapped
|
|
589 |
| parser |
|
|
590 |
parser := $a asParser wrapped.
|
33
|
591 |
|
0
|
592 |
self assert: parser parse: 'a' to: $a.
|
|
593 |
self assert: parser fail: 'b'.
|
33
|
594 |
|
0
|
595 |
parser := (($a asParser , $b asParser ) wrapped , $c asParser).
|
|
596 |
self assert: parser parse: 'abc' to: #(#($a $b) $c)
|
|
597 |
!
|
|
598 |
|
|
599 |
testWrapping
|
|
600 |
| parser result |
|
33
|
601 |
parser := #digit asParser plus >=> [ :stream :cc |
|
|
602 |
Array
|
|
603 |
with: stream position
|
|
604 |
with: cc value
|
0
|
605 |
with: stream position ].
|
|
606 |
|
|
607 |
self assert: parser parse: '1' to: #(0 ($1) 1).
|
|
608 |
self assert: parser parse: '12' to: #(0 ($1 $2) 2).
|
|
609 |
self assert: parser parse: '123' to: #(0 ($1 $2 $3) 3).
|
33
|
610 |
|
0
|
611 |
result := parser parse: 'a'.
|
|
612 |
self assert: result first = 0.
|
|
613 |
self assert: result second isPetitFailure.
|
|
614 |
self assert: result last = 0
|
|
615 |
!
|
|
616 |
|
|
617 |
testXor
|
|
618 |
| parser |
|
|
619 |
parser := ($a asParser / $b asParser)
|
|
620 |
| ($b asParser / $c asParser).
|
33
|
621 |
|
0
|
622 |
self assert: parser parse: 'a' to: $a.
|
|
623 |
self assert: parser parse: 'c' to: $c.
|
33
|
624 |
|
0
|
625 |
self assert: parser fail: ''.
|
|
626 |
self assert: parser fail: 'b'.
|
|
627 |
self assert: parser fail: 'd'.
|
33
|
628 |
|
0
|
629 |
" truly symmetric "
|
|
630 |
parser := ($b asParser / $c asParser)
|
|
631 |
| ($a asParser / $b asParser).
|
33
|
632 |
|
0
|
633 |
self assert: parser parse: 'a' to: $a.
|
|
634 |
self assert: parser parse: 'c' to: $c.
|
33
|
635 |
|
0
|
636 |
self assert: parser fail: ''.
|
|
637 |
self assert: parser fail: 'b'.
|
|
638 |
self assert: parser fail: 'd'
|
|
639 |
! !
|
|
640 |
|
|
641 |
!PPParserTest methodsFor:'testing-accessing'!
|
|
642 |
|
|
643 |
testNamed
|
|
644 |
| parser |
|
|
645 |
parser := PPSequenceParser new.
|
|
646 |
self assert: parser name isNil.
|
33
|
647 |
|
0
|
648 |
parser := PPChoiceParser named: 'choice'.
|
|
649 |
self assert: parser name = 'choice'.
|
33
|
650 |
|
0
|
651 |
parser := $* asParser name: 'star'.
|
|
652 |
self assert: parser name = 'star'
|
|
653 |
!
|
|
654 |
|
|
655 |
testPrint
|
33
|
656 |
| parser |
|
|
657 |
parser := PPParser new.
|
|
658 |
self assert: (parser printString includesSubString: 'PPParser').
|
|
659 |
|
|
660 |
parser := PPParser named: 'choice'.
|
|
661 |
self assert: (parser printString includesSubString: 'PPParser(choice').
|
|
662 |
|
|
663 |
parser := PPLiteralObjectParser on: $a.
|
0
|
664 |
"/ self assert: (parser printString includesSubString: '$a').
|
33
|
665 |
self assert: (parser printString includesSubString: 'a').
|
|
666 |
|
|
667 |
parser := PPFailingParser message: 'error'.
|
|
668 |
self assert: (parser printString includesSubString: 'error').
|
|
669 |
|
|
670 |
parser := PPPredicateObjectParser on: [ :c | true ] message: 'error'.
|
|
671 |
self assert: (parser printString includesSubString: 'error')
|
0
|
672 |
|
|
673 |
"Modified: / 19-12-2010 / 18:30:54 / Jan Kurs <kurs.jan@post.cz>"
|
|
674 |
! !
|
|
675 |
|
|
676 |
!PPParserTest methodsFor:'testing-fixtures'!
|
|
677 |
|
|
678 |
testSideEffectChoice
|
|
679 |
"Adding another element to a choice should create a copy, otherwise we get unwanted side-effects."
|
|
680 |
|
|
681 |
| p1 p2 p3 |
|
|
682 |
p1 := $a asParser.
|
|
683 |
p2 := p1 / $b asParser.
|
|
684 |
p3 := p1 / $c asParser.
|
33
|
685 |
|
0
|
686 |
self assert: p1 parse: 'a'.
|
|
687 |
self assert: p1 fail: 'b'.
|
|
688 |
self assert: p1 fail: 'c'.
|
33
|
689 |
|
0
|
690 |
self assert: p2 parse: 'a'.
|
|
691 |
self assert: p2 parse: 'b'.
|
|
692 |
self assert: p2 fail: 'c'.
|
33
|
693 |
|
0
|
694 |
self assert: p3 parse: 'a'.
|
|
695 |
self assert: p3 fail: 'b'.
|
|
696 |
self assert: p3 parse: 'c'
|
|
697 |
!
|
|
698 |
|
|
699 |
testSideEffectListCopy
|
|
700 |
| old new |
|
|
701 |
old := $a asParser , $b asParser.
|
|
702 |
new := old copy.
|
33
|
703 |
|
0
|
704 |
self deny: old == new.
|
|
705 |
self deny: old children == new children.
|
|
706 |
self assert: old children first == new children first.
|
|
707 |
self assert: old children last == new children last
|
|
708 |
!
|
|
709 |
|
|
710 |
testSideEffectSequence
|
|
711 |
"Adding another element to a sequence should create a copy, otherwise we get unwanted side-effects."
|
|
712 |
|
|
713 |
| p1 p2 p3 |
|
|
714 |
p1 := $a asParser.
|
|
715 |
p2 := p1 , $b asParser.
|
|
716 |
p3 := p1 , $c asParser.
|
33
|
717 |
|
|
718 |
self assert: p1 parse: 'a'.
|
0
|
719 |
self assert: p1 parse: 'ab' end: 1.
|
|
720 |
self assert: p1 parse: 'ac' end: 1.
|
33
|
721 |
|
|
722 |
self assert: p2 fail: 'a'.
|
0
|
723 |
self assert: p2 parse: 'ab'.
|
|
724 |
self assert: p2 fail: 'ac'.
|
|
725 |
|
33
|
726 |
self assert: p3 fail: 'a'.
|
0
|
727 |
self assert: p3 fail: 'ab'.
|
|
728 |
self assert: p3 parse: 'ac'
|
|
729 |
! !
|
|
730 |
|
|
731 |
!PPParserTest methodsFor:'testing-properties'!
|
|
732 |
|
|
733 |
testHasProperty
|
|
734 |
| parser |
|
|
735 |
parser := PPParser new.
|
|
736 |
self deny: (parser hasProperty: #foo).
|
|
737 |
parser propertyAt: #foo put: 123.
|
|
738 |
self assert: (parser hasProperty: #foo)
|
|
739 |
!
|
|
740 |
|
|
741 |
testPostCopy
|
|
742 |
| parser copy |
|
|
743 |
parser := PPParser new.
|
|
744 |
parser propertyAt: #foo put: true.
|
|
745 |
copy := parser copy.
|
|
746 |
copy propertyAt: #foo put: false.
|
|
747 |
self assert: (parser propertyAt: #foo).
|
|
748 |
self deny: (copy propertyAt: #foo)
|
|
749 |
!
|
|
750 |
|
|
751 |
testPropertyAt
|
|
752 |
| parser |
|
|
753 |
parser := PPParser new.
|
|
754 |
self should: [ parser propertyAt: #foo ] raise: Error.
|
|
755 |
parser propertyAt: #foo put: true.
|
|
756 |
self assert: (parser propertyAt: #foo)
|
|
757 |
!
|
|
758 |
|
|
759 |
testPropertyAtIfAbsent
|
|
760 |
| parser |
|
|
761 |
parser := PPParser new.
|
|
762 |
self assert: (parser propertyAt: #foo ifAbsent: [ true ]).
|
|
763 |
parser propertyAt: #foo put: true.
|
|
764 |
self assert: (parser propertyAt: #foo ifAbsent: [ false ])
|
|
765 |
!
|
|
766 |
|
|
767 |
testPropertyAtIfAbsentPut
|
|
768 |
| parser |
|
|
769 |
parser := PPParser new.
|
|
770 |
self assert: (parser propertyAt: #foo ifAbsentPut: [ true ]).
|
|
771 |
self assert: (parser propertyAt: #foo ifAbsentPut: [ false ])
|
|
772 |
!
|
|
773 |
|
|
774 |
testRemoveProperty
|
|
775 |
| parser |
|
|
776 |
parser := PPParser new.
|
|
777 |
self should: [ parser removeProperty: #foo ] raise: Error.
|
|
778 |
parser propertyAt: #foo put: true.
|
|
779 |
self assert: (parser removeProperty: #foo)
|
|
780 |
!
|
|
781 |
|
|
782 |
testRemovePropertyIfAbsent
|
|
783 |
| parser |
|
|
784 |
parser := PPParser new.
|
|
785 |
self assert: (parser removeProperty: #foo ifAbsent: [ true ]).
|
|
786 |
parser propertyAt: #foo put: true.
|
|
787 |
self assert: (parser removeProperty: #foo ifAbsent: [ false ])
|
|
788 |
! !
|
|
789 |
|
|
790 |
!PPParserTest methodsFor:'testing-utilities'!
|
|
791 |
|
|
792 |
testChildren
|
|
793 |
| p1 p2 p3 |
|
|
794 |
p1 := #lowercase asParser.
|
|
795 |
p2 := p1 ==> #asUppercase.
|
|
796 |
p3 := PPUnresolvedParser new.
|
|
797 |
p3 def: p2 / p3.
|
|
798 |
self assert: p1 children isEmpty.
|
|
799 |
self assert: p2 children size = 1.
|
|
800 |
self assert: p3 children size = 2
|
|
801 |
!
|
|
802 |
|
|
803 |
testFailure
|
|
804 |
| failure |
|
|
805 |
failure := PPFailure message: 'Error' at: 3.
|
33
|
806 |
|
0
|
807 |
self assert: failure message = 'Error'.
|
|
808 |
self assert: failure position = 3.
|
|
809 |
self assert: failure isPetitFailure.
|
|
810 |
|
|
811 |
self deny: 4 isPetitFailure.
|
|
812 |
self deny: 'foo' isPetitFailure
|
|
813 |
!
|
|
814 |
|
|
815 |
testListConstructor
|
|
816 |
| p1 p2 p3 |
|
|
817 |
p1 := PPChoiceParser with: $a asParser.
|
|
818 |
p2 := PPChoiceParser with: $a asParser with: $b asParser.
|
|
819 |
p3 := PPChoiceParser withAll: (Array with: $a asParser with: $b asParser with: $c asParser).
|
33
|
820 |
|
0
|
821 |
self assert: p1 children size = 1.
|
|
822 |
self assert: p2 children size = 2.
|
|
823 |
self assert: p3 children size = 3
|
|
824 |
!
|
|
825 |
|
|
826 |
testMatches
|
|
827 |
| parser |
|
|
828 |
parser := $a asParser.
|
33
|
829 |
|
0
|
830 |
self assert: (parser matches: 'a').
|
|
831 |
self deny: (parser matches: 'b').
|
33
|
832 |
|
0
|
833 |
self assert: (parser matches: 'a' readStream).
|
|
834 |
self deny: (parser matches: 'b' readStream)
|
|
835 |
!
|
|
836 |
|
|
837 |
testMatchesIn
|
|
838 |
| parser result |
|
|
839 |
parser := $a asParser.
|
33
|
840 |
|
0
|
841 |
result := parser matchesIn: 'abba'.
|
|
842 |
self assert: result size = 2.
|
|
843 |
self assert: result first = $a.
|
|
844 |
self assert: result last = $a.
|
33
|
845 |
|
0
|
846 |
result := parser matchesIn: 'baaah'.
|
|
847 |
self assert: result size = 3.
|
|
848 |
self assert: result first = $a.
|
|
849 |
self assert: result last = $a
|
|
850 |
!
|
|
851 |
|
|
852 |
testMatchesInEmpty
|
|
853 |
"Empty matches should properly advance and match at each position and at the end."
|
|
854 |
|
|
855 |
| parser result |
|
|
856 |
parser := [ :stream | stream position ] asParser.
|
33
|
857 |
|
0
|
858 |
result := parser matchesIn: '123'.
|
|
859 |
self assert: result asArray = #(0 1 2 3)
|
|
860 |
!
|
|
861 |
|
|
862 |
testMatchesInOverlapping
|
|
863 |
"Matches that overlap should be properly reported."
|
|
864 |
|
|
865 |
| parser result |
|
|
866 |
parser := #digit asParser , #digit asParser.
|
33
|
867 |
|
0
|
868 |
result := parser matchesIn: 'a123b'.
|
|
869 |
self assert: result size = 2.
|
|
870 |
self assert: result first = #($1 $2).
|
|
871 |
self assert: result last = #($2 $3)
|
|
872 |
!
|
|
873 |
|
|
874 |
testMatchingRangesIn
|
|
875 |
| input parser result |
|
|
876 |
input := 'a12b1'.
|
|
877 |
parser := #digit asParser plus.
|
|
878 |
result := parser matchingRangesIn: input.
|
|
879 |
self assert: result size = 3.
|
|
880 |
result do: [ :each | self assert: (parser matches: (input copyFrom: each first to: each last)) ]
|
|
881 |
!
|
|
882 |
|
|
883 |
testParse
|
33
|
884 |
| parser result |
|
|
885 |
parser := $a asParser.
|
|
886 |
|
|
887 |
self assert: (parser parse: 'a') = $a.
|
|
888 |
self assert: (result := parser parse: 'b') isPetitFailure.
|
|
889 |
"is it Character printString differs: we return only 'a', not '$a'"
|
|
890 |
self breakPoint: #petitparser.
|
0
|
891 |
"/ self assert: (result message includesSubString: '$a').
|
33
|
892 |
self assert: (result message includesSubString: 'a').
|
|
893 |
self assert: (result message includesSubString: 'expected').
|
|
894 |
self assert: (result position = 0).
|
|
895 |
|
|
896 |
self assert: (parser parse: 'a' readStream) = $a.
|
|
897 |
self assert: (result := parser parse: 'b' readStream) isPetitFailure.
|
0
|
898 |
"/ self assert: (result message includesSubString: '$a').
|
33
|
899 |
self assert: (result message includesSubString: 'a').
|
|
900 |
self assert: (result message includesSubString: 'expected').
|
|
901 |
self assert: (result position = 0)
|
0
|
902 |
|
|
903 |
"Modified: / 18-12-2010 / 17:05:13 / Jan Kurs <kurs.jan@post.cz>"
|
|
904 |
!
|
|
905 |
|
|
906 |
testParseOnError0
|
|
907 |
| parser result seen |
|
|
908 |
parser := $a asParser.
|
|
909 |
|
|
910 |
result := parser parse: 'a' onError: [ self signalFailure: 'Not supposed to report an error' ].
|
|
911 |
self assert: result = $a.
|
|
912 |
|
|
913 |
result := parser parse: 'b' onError: [ seen := true ].
|
|
914 |
self assert: result.
|
|
915 |
self assert: seen
|
|
916 |
!
|
|
917 |
|
|
918 |
testParseOnError1
|
33
|
919 |
| parser result seen |
|
|
920 |
parser := $a asParser.
|
|
921 |
|
|
922 |
result := parser parse: 'a' onError: [ self signalFailure: 'Not supposed to report an error' ].
|
|
923 |
self assert: result = $a.
|
|
924 |
|
|
925 |
result := parser parse: 'b' onError: [ :failure |
|
|
926 |
self assert: (failure position = 0).
|
|
927 |
"We don't use $ in ST/X for Characters"
|
|
928 |
self assert: (failure message includesSubString: 'a').
|
0
|
929 |
"/ self assert: (failure message includesSubString: '$a').
|
33
|
930 |
self assert: (failure message includesSubString: 'expected').
|
|
931 |
seen := true ].
|
|
932 |
self assert: result.
|
|
933 |
self assert: seen
|
0
|
934 |
|
|
935 |
"Modified: / 19-12-2010 / 18:18:01 / Jan Kurs <kurs.jan@post.cz>"
|
|
936 |
!
|
|
937 |
|
|
938 |
testParseOnError2
|
33
|
939 |
| parser result seen |
|
|
940 |
parser := $a asParser.
|
|
941 |
|
|
942 |
result := parser parse: 'a' onError: [ self signalFailure: 'Not supposed to report an error' ].
|
|
943 |
self assert: result = $a.
|
0
|
944 |
|
33
|
945 |
result := parser parse: 'b' onError: [ :msg :pos |
|
|
946 |
"We don't use $ in ST/X for Characters"
|
|
947 |
self assert: (msg includesSubString: 'a').
|
0
|
948 |
"/ self assert: (msg includesSubString: '$a').
|
33
|
949 |
self assert: (msg includesSubString: 'expected').
|
|
950 |
self assert: pos = 0.
|
|
951 |
seen := true ].
|
|
952 |
self assert: result.
|
|
953 |
self assert: seen
|
0
|
954 |
|
|
955 |
"Modified: / 19-12-2010 / 18:18:31 / Jan Kurs <kurs.jan@post.cz>"
|
|
956 |
!
|
|
957 |
|
|
958 |
testParser
|
|
959 |
| parser |
|
|
960 |
parser := PPParser new.
|
33
|
961 |
|
0
|
962 |
self assert: parser isPetitParser.
|
|
963 |
|
|
964 |
self deny: 4 isPetitParser.
|
|
965 |
self deny: 'foo' isPetitParser
|
|
966 |
! !
|
|
967 |
|
|
968 |
!PPParserTest class methodsFor:'documentation'!
|
|
969 |
|
33
|
970 |
version
|
|
971 |
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPParserTest.st,v 1.3 2012-05-04 22:04:32 vrany Exp $'
|
|
972 |
!
|
|
973 |
|
|
974 |
version_CVS
|
|
975 |
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPParserTest.st,v 1.3 2012-05-04 22:04:32 vrany Exp $'
|
|
976 |
!
|
|
977 |
|
0
|
978 |
version_SVN
|
33
|
979 |
^ '§Id: PPParserTest.st 5 2010-12-19 17:38:27Z kursjan §'
|
0
|
980 |
! !
|