upgrade to #lang scheme

svn: r15345
This commit is contained in:
Jon Rafkind 2009-06-30 21:05:16 +00:00
parent 3d356123cf
commit b55944bb93
2 changed files with 151 additions and 151 deletions

View File

@ -1,36 +1,36 @@
(module contexts mzscheme #lang scheme
(define-struct block-context (return?)) (define-struct block-context (return?))
(define-struct (top-block-context block-context) ()) (define-struct (top-block-context block-context) ())
(define-struct (expression-block-context block-context) ()) (define-struct (expression-block-context block-context) ())
(define-struct definition-context ()) (define-struct definition-context ())
(define-struct (function-definition-context definition-context) ()) (define-struct (function-definition-context definition-context) ())
(define-struct (value-definition-context definition-context) ()) (define-struct (value-definition-context definition-context) ())
(define-struct (constant-definition-context value-definition-context) ()) (define-struct (constant-definition-context value-definition-context) ())
(define-struct (variable-definition-context value-definition-context) ()) (define-struct (variable-definition-context value-definition-context) ())
(define-struct expression-context ()) (define-struct expression-context ())
(define-struct type-context ()) (define-struct type-context ())
(define-struct type-or-expression-context ()) (define-struct type-or-expression-context ())
(define-struct prototype-context ()) (define-struct prototype-context ())
(define the-block-context (make-block-context #f)) (define the-block-context (make-block-context #f))
(define the-top-block-context (make-top-block-context #f)) (define the-top-block-context (make-top-block-context #f))
(define the-expression-block-context (make-expression-block-context #f)) (define the-expression-block-context (make-expression-block-context #f))
(define the-return-block-context (make-block-context #t)) (define the-return-block-context (make-block-context #t))
(define the-expression-return-block-context (make-expression-block-context #t)) (define the-expression-return-block-context (make-expression-block-context #t))
(define the-variable-definition-context (make-variable-definition-context)) (define the-variable-definition-context (make-variable-definition-context))
(define the-constant-definition-context (make-constant-definition-context)) (define the-constant-definition-context (make-constant-definition-context))
(define the-function-definition-context (make-function-definition-context)) (define the-function-definition-context (make-function-definition-context))
(define the-expression-context (make-expression-context)) (define the-expression-context (make-expression-context))
(define the-type-context (make-type-context)) (define the-type-context (make-type-context))
(define the-type-or-expression-context (make-type-or-expression-context)) (define the-type-or-expression-context (make-type-or-expression-context))
(define the-prototype-context (make-prototype-context)) (define the-prototype-context (make-prototype-context))
(define (context->name ctx) (define (context->name ctx)
(cond (cond
[(type-context? ctx) "a type"] [(type-context? ctx) "a type"]
[(type-or-expression-context? ctx) "a type or expression"] [(type-or-expression-context? ctx) "a type or expression"]
@ -43,7 +43,7 @@
[(prototype-context? ctx) "a function-definition"] [(prototype-context? ctx) "a function-definition"]
[else "an expression"])) [else "an expression"]))
(provide block-context? (provide block-context?
expression-block-context? expression-block-context?
top-block-context? top-block-context?
@ -76,4 +76,4 @@
the-type-or-expression-context the-type-or-expression-context
the-prototype-context the-prototype-context
context->name)) context->name)

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@ -1,33 +1,33 @@
#lang scheme
(module ops mzscheme
(provide unary-prefix-ops (provide unary-prefix-ops
unary-postfix-ops unary-postfix-ops
(struct op (id)) (struct-out op)
(struct prefix ()) (struct-out prefix)
(struct cast-prefix (type)) (struct-out cast-prefix)
(struct infix ()) (struct-out infix)
(struct postfix ()) (struct-out postfix)
prec-key prec-key
precedence-table precedence-table
op-table) op-table)
(define unary-prefix-ops '(++ (define unary-prefix-ops '(++
-- --
+ +
- -
! !
~)) ~))
(define unary-postfix-ops '(++ (define unary-postfix-ops '(++
--)) --))
(define-struct op (id)) (define-struct op (id))
(define-struct (prefix op) ()) (define-struct (prefix op) ())
(define-struct (cast-prefix prefix) (type)) (define-struct (cast-prefix prefix) (type))
(define-struct (infix op) ()) (define-struct (infix op) ())
(define-struct (postfix op) ()) (define-struct (postfix op) ())
(define (prec-key op) (define (prec-key op)
(and op (and op
(cons (cond (cons (cond
[(prefix? op) 'pre] [(prefix? op) 'pre]
@ -35,7 +35,7 @@
[(postfix? op) 'post]) [(postfix? op) 'post])
(syntax-e (op-id op))))) (syntax-e (op-id op)))))
(define precedence-table (make-immutable-hash-table (define precedence-table (make-immutable-hash
'(((in . |.|) . 100) '(((in . |.|) . 100)
((in . #%parens) . 100) ((in . #%parens) . 100)
((in . #%brackets) . 100) ((in . #%brackets) . 100)
@ -82,10 +82,10 @@
((in . >>>=) . 10) ((in . >>>=) . 10)
((in . \,) . 6) ((in . \,) . 6)
((in . :) . 5) ((in . :) . 5)
((in . ?) . 4)) ((in . ?) . 4))))
'equal))
(define op-table (make-hash-table))
(hash-table-for-each precedence-table (lambda (k v) (define op-table (make-hash))
(hash-table-put! op-table (cdr k) #t)))) (hash-for-each precedence-table (lambda (k v)
(hash-set! op-table (cdr k) #t)))