7491e172ea
The eopl language is now racket-based rather than mzscheme-based. This test-suite, which was originally distributed on the book's web-site has been re-written in the new language. Changes include dropping all drscheme-init.scm and top.scm files. Remaining files were renamed to use the .rkt extension and edited to use the #lang syntax (instead of modulue). Require and provide forms were changed to reflect racket's syntax instead of mzscheme's (eg, only-in vs. only). Several occurrences of one-armed ifs were changed to use when and unless. All tests have been run successfully.
99 lines
2.3 KiB
Racket
Executable File
99 lines
2.3 KiB
Racket
Executable File
#lang eopl
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;; output language from the cps converter, including explicit references
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(provide (all-defined-out))
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;;;;;;;;;;;;;;;; grammatical specification ;;;;;;;;;;;;;;;;
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(define cps-out-lexical-spec
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'((whitespace (whitespace) skip)
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(comment ("%" (arbno (not #\newline))) skip)
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(identifier
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(letter (arbno (or letter digit "_" "-" "?")))
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symbol)
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(number (digit (arbno digit)) number)
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(number ("-" digit (arbno digit)) number)
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))
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(define cps-out-grammar
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'((cps-out-program (tfexp) cps-a-program)
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(simple-expression (number) cps-const-exp)
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(simple-expression (identifier) cps-var-exp)
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(simple-expression
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("-" "(" simple-expression "," simple-expression ")")
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cps-diff-exp)
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(simple-expression
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("zero?" "(" simple-expression ")")
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cps-zero?-exp)
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(simple-expression
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("+" "(" (separated-list simple-expression ",") ")")
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cps-sum-exp)
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(simple-expression
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("proc" "(" (arbno identifier) ")" tfexp)
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cps-proc-exp)
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(tfexp
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(simple-expression)
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simple-exp->exp)
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(tfexp
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("let" identifier "=" simple-expression "in" tfexp)
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cps-let-exp)
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(tfexp
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("letrec"
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(arbno identifier "(" (arbno identifier) ")"
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"=" tfexp)
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"in"
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tfexp)
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cps-letrec-exp)
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(tfexp
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("if" simple-expression "then" tfexp "else" tfexp)
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cps-if-exp)
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(tfexp
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("(" simple-expression (arbno simple-expression) ")")
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cps-call-exp)
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(tfexp
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("printk" "(" simple-expression ")" ";" tfexp)
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cps-printk-exp)
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(tfexp
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("newrefk" "(" simple-expression "," simple-expression ")")
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cps-newrefk-exp)
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(tfexp
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("derefk" "(" simple-expression "," simple-expression ")")
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cps-derefk-exp)
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(tfexp
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("setrefk"
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"(" simple-expression "," simple-expression ")" ";"
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tfexp )
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cps-setrefk-exp)
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))
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;;;;;;;;;;;;;;;; sllgen boilerplate ;;;;;;;;;;;;;;;;
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(sllgen:make-define-datatypes cps-out-lexical-spec cps-out-grammar)
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(define cps-out-show-the-datatypes
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(lambda () (sllgen:list-define-datatypes cps-out-lexical-spec cps-out-grammar)))
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(define cps-out-scan&parse
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(sllgen:make-string-parser cps-out-lexical-spec cps-out-grammar))
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(define cps-just-scan
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(sllgen:make-string-scanner cps-out-lexical-spec cps-out-grammar))
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