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evaluator: add environment, make definitions work, add tests

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This commit is contained in:
Veit Heller
2018-04-30 16:48:27 +02:00
parent 584f9b24c7
commit 92a2ecbd8e
8 changed files with 36 additions and 9 deletions
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6
src/Phsyche.package/PhsycheTest.class/instance/testDefineExpression.st Normal file
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tests
testDefineExpression
ph parseAndEval: '(define pi 3.14)'.
self
assert: (ph parseAndEval: 'pi')
equals: 3.14

6
src/Phsyche.package/PhsycheTest.class/instance/testEvalExpressionReassignment.st Normal file
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tests
testEvalExpressionReassignment
ph parseAndEval: '(define pi 3.14)'.
ph parseAndEval: '(define pi2 pi)'.
ph parseAndEval: '(define pi 6.28)'.
self assert: (ph parseAndEval: 'pi2') equals: 3.14