1320 lines
62 KiB
Racket
1320 lines
62 KiB
Racket
#lang racket/base
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(require "colors.rkt"
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"intf.rkt"
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"annotate.rkt"
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"contract-traversal.rkt"
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string-constants
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racket/unit
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racket/set
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racket/class
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racket/list
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syntax/boundmap
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scribble/xref
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scribble/manual-struct
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(for-syntax racket/base))
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(provide make-traversal)
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;
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;
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;
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; ;
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; ;
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; ; ; ;
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; ;;; ; ; ; ;; ;;;; ;;; ; ; ;;;; ; ; ;;; ; ; ;;; ; ; ;;; ;;; ; ;;;
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; ; ; ; ;; ; ; ; ; ; ; ; ;; ; ; ; ; ; ; ;; ; ; ; ; ;
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; ;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;; ; ; ;;
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; ;; ; ; ; ; ; ;;;; ; ; ; ;;;; ; ; ;;;;;; ; ;; ;;;; ; ;;
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; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
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; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
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; ;;; ; ; ; ;; ;;;;; ; ; ;; ; ;;;;; ; ;;;; ; ;;; ;;;;; ; ;;;
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; ;
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; ;
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; ;
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;; make-traversal : namespace string[directory] -> (values (syntax (union #f syntax) -> void)
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;; (-> void))
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;; returns a pair of functions that close over some state that
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;; represents the top-level of a single program. The first value
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;; is called once for each top-level expression and the second
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;; value is called once, after all expansion is complete.
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(define (make-traversal user-namespace user-directory)
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(let* ([tl-low-binders (make-id-set)]
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[tl-high-binders (make-id-set)]
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[tl-low-varrefs (make-id-set)]
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[tl-high-varrefs (make-id-set)]
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[tl-low-varsets (make-id-set)]
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[tl-high-varsets (make-id-set)]
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[tl-low-tops (make-id-set)]
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[tl-high-tops (make-id-set)]
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[tl-binding-inits (make-id-set)]
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[tl-templrefs (make-id-set)]
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[tl-requires (make-hash)]
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[tl-module-lang-requires (make-hash)]
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[tl-require-for-syntaxes (make-hash)]
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[tl-require-for-templates (make-hash)]
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[tl-require-for-labels (make-hash)]
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[expanded-expression
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(λ (sexp [visit-id void])
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(parameterize ([current-load-relative-directory user-directory])
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(let ([is-module? (syntax-case sexp (module)
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[(module . rest) #t]
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[else #f])])
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(cond
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[is-module?
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(let ([low-binders (make-id-set)]
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[high-binders (make-id-set)]
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[varrefs (make-id-set)]
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[high-varrefs (make-id-set)]
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[varsets (make-id-set)]
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[high-varsets (make-id-set)]
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[low-tops (make-id-set)]
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[high-tops (make-id-set)]
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[binding-inits (make-id-set)]
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[templrefs (make-id-set)]
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[module-lang-requires (make-hash)]
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[requires (make-hash)]
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[require-for-syntaxes (make-hash)]
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[require-for-templates (make-hash)]
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[require-for-labels (make-hash)])
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(annotate-basic sexp
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user-namespace user-directory visit-id
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low-binders high-binders
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varrefs high-varrefs
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varsets high-varsets
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low-tops high-tops
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binding-inits
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templrefs
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module-lang-requires
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requires require-for-syntaxes require-for-templates require-for-labels)
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(annotate-variables user-namespace
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user-directory
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low-binders
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high-binders
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varrefs
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high-varrefs
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varsets
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high-varsets
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low-tops
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high-tops
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templrefs
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module-lang-requires
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requires
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require-for-syntaxes
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require-for-templates
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require-for-labels)
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(annotate-contracts sexp low-binders binding-inits))]
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[else
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(annotate-basic sexp
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user-namespace user-directory visit-id
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tl-low-binders tl-high-binders
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tl-low-varrefs tl-high-varrefs
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tl-low-varsets tl-high-varsets
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tl-low-tops tl-high-tops
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tl-binding-inits
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tl-templrefs
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tl-module-lang-requires
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tl-requires
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tl-require-for-syntaxes
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tl-require-for-templates
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tl-require-for-labels)]))))]
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[expansion-completed
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(λ ()
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(parameterize ([current-load-relative-directory user-directory])
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(annotate-variables user-namespace
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user-directory
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tl-low-binders
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tl-high-binders
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tl-low-varrefs
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tl-high-varrefs
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tl-low-varsets
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tl-high-varsets
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tl-low-tops
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tl-high-tops
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tl-templrefs
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tl-module-lang-requires
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tl-requires
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tl-require-for-syntaxes
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tl-require-for-templates
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tl-require-for-labels)))])
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(values expanded-expression expansion-completed)))
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;; type req/tag = (make-req/tag syntax sexp boolean)
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(define-struct req/tag (req-stx req-sexp used?))
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;; annotate-basic : syntax
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;; namespace
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;; string[directory]
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;; syntax[id]
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;; id-set (8 of them)
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;; hash-table[require-spec -> syntax] (three of them)
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;; -> void
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(define (annotate-basic sexp
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user-namespace user-directory visit-id
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low-binders high-binders
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low-varrefs high-varrefs
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low-varsets high-varsets
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low-tops high-tops
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binding-inits
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templrefs
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module-lang-requires
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requires require-for-syntaxes require-for-templates require-for-labels)
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(let ([tail-ht (make-hasheq)]
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[maybe-jump (λ (vars) (visit-id vars))])
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(let level-loop ([sexp sexp]
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[high-level? #f])
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(let* ([loop (λ (sexp) (level-loop sexp high-level?))]
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[varrefs (if high-level? high-varrefs low-varrefs)]
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[varsets (if high-level? high-varsets low-varsets)]
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[binders (if high-level? high-binders low-binders)]
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[tops (if high-level? high-tops low-tops)]
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[collect-general-info
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(λ (stx)
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(add-origins stx varrefs)
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(add-disappeared-bindings stx binders varrefs)
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(add-disappeared-uses stx varrefs))])
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(collect-general-info sexp)
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(syntax-case* sexp (#%plain-lambda case-lambda if begin begin0 let-values letrec-values set!
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quote quote-syntax with-continuation-mark
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#%plain-app #%top #%plain-module-begin
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define-values define-syntaxes define-values-for-syntax module
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#%require #%provide #%expression)
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(if high-level? free-transformer-identifier=? free-identifier=?)
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[(#%plain-lambda args bodies ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(annotate-tail-position/last sexp (syntax->list (syntax (bodies ...))) tail-ht)
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(add-binders (syntax args) binders #f #f)
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(for-each loop (syntax->list (syntax (bodies ...)))))]
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[(case-lambda [argss bodiess ...]...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(for-each (λ (bodies/stx) (annotate-tail-position/last sexp
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(syntax->list bodies/stx)
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tail-ht))
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(syntax->list (syntax ((bodiess ...) ...))))
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(for-each
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(λ (args bodies)
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(add-binders args binders #f #f)
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(for-each loop (syntax->list bodies)))
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(syntax->list (syntax (argss ...)))
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(syntax->list (syntax ((bodiess ...) ...)))))]
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[(if test then else)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(annotate-tail-position sexp (syntax then) tail-ht)
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(annotate-tail-position sexp (syntax else) tail-ht)
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(loop (syntax test))
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(loop (syntax else))
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(loop (syntax then)))]
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[(begin bodies ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(annotate-tail-position/last sexp (syntax->list (syntax (bodies ...))) tail-ht)
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(for-each loop (syntax->list (syntax (bodies ...)))))]
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;; treat a single body expression specially, since this has
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;; different tail behavior.
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[(begin0 body)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(annotate-tail-position sexp (syntax body) tail-ht)
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(loop (syntax body)))]
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[(begin0 bodies ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(for-each loop (syntax->list (syntax (bodies ...)))))]
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[(let-values (bindings ...) bs ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(for-each collect-general-info (syntax->list (syntax (bindings ...))))
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(annotate-tail-position/last sexp (syntax->list (syntax (bs ...))) tail-ht)
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(with-syntax ([(((xss ...) es) ...) (syntax (bindings ...))])
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(for-each (λ (x es) (add-binders x binders binding-inits es))
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(syntax->list (syntax ((xss ...) ...)))
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(syntax->list (syntax (es ...))))
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(for-each loop (syntax->list (syntax (es ...))))
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(for-each loop (syntax->list (syntax (bs ...))))))]
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[(letrec-values (bindings ...) bs ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(for-each collect-general-info (syntax->list (syntax (bindings ...))))
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(annotate-tail-position/last sexp (syntax->list (syntax (bs ...))) tail-ht)
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(with-syntax ([(((xss ...) es) ...) (syntax (bindings ...))])
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(for-each (λ (x es) (add-binders x binders binding-inits es))
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(syntax->list (syntax ((xss ...) ...)))
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(syntax->list (syntax (es ...))))
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(for-each loop (syntax->list (syntax (es ...))))
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(for-each loop (syntax->list (syntax (bs ...))))))]
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[(set! var e)
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(begin
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(annotate-raw-keyword sexp varrefs)
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;; tops are used here because a binding free use of a set!'d variable
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;; is treated just the same as (#%top . x).
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(when (syntax-original? (syntax var))
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(add-id varsets (syntax var))
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(if (identifier-binding (syntax var) 0)
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(add-id varrefs (syntax var))
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(add-id tops (syntax var))))
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(loop (syntax e)))]
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[(quote datum)
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;(color-internal-structure (syntax datum) constant-style-name 'default-mode)
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(annotate-raw-keyword sexp varrefs)]
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[(quote-syntax datum)
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;(color-internal-structure (syntax datum) constant-style-name 'default-mode)
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(annotate-raw-keyword sexp varrefs)
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(let loop ([stx #'datum])
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(cond [(identifier? stx)
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(when (syntax-original? stx)
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(add-id templrefs stx))]
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[(syntax? stx)
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(loop (syntax-e stx))]
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[(pair? stx)
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(loop (car stx))
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(loop (cdr stx))]
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[(vector? stx)
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(for-each loop (vector->list stx))]
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[(box? stx)
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(loop (unbox stx))]
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[else (void)]))]
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[(with-continuation-mark a b c)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(annotate-tail-position sexp (syntax c) tail-ht)
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(loop (syntax a))
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(loop (syntax b))
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(loop (syntax c)))]
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[(#%plain-app pieces ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(for-each loop (syntax->list (syntax (pieces ...)))))]
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[(#%top . var)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(when (syntax-original? (syntax var))
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(add-id tops (syntax var))))]
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[(define-values vars b)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(add-binders (syntax vars) binders binding-inits #'b)
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(maybe-jump (syntax vars))
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(loop (syntax b)))]
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[(define-syntaxes names exp)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(add-binders (syntax names) binders binding-inits #'exp)
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(maybe-jump (syntax names))
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(level-loop (syntax exp) #t))]
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[(define-values-for-syntax names exp)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(add-binders (syntax names) high-binders binding-inits #'exp)
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(maybe-jump (syntax names))
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(level-loop (syntax exp) #t))]
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[(module m-name lang (#%plain-module-begin bodies ...))
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(begin
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(annotate-raw-keyword sexp varrefs)
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(hash-set! module-lang-requires (syntax lang) #t)
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((annotate-require-open user-namespace user-directory) (syntax lang))
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(hash-cons! requires (syntax->datum (syntax lang)) (syntax lang))
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(for-each loop (syntax->list (syntax (bodies ...)))))]
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; top level or module top level only:
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[(#%require require-specs ...)
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(let ([at-phase
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(lambda (stx requires)
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(syntax-case stx ()
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[(_ require-specs ...)
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(with-syntax ([((require-specs ...) ...)
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(map (lambda (spec)
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(syntax-case spec (just-meta)
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[(just-meta m spec ...)
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#'(spec ...)]
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[else (list spec)]))
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(syntax->list #'(require-specs ...)))])
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(let ([new-specs (map trim-require-prefix
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(syntax->list (syntax (require-specs ... ...))))])
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(annotate-raw-keyword sexp varrefs)
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(for-each (annotate-require-open user-namespace
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user-directory)
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new-specs)
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(for-each (add-require-spec requires)
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new-specs
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(syntax->list (syntax (require-specs ... ...))))))]))])
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(for-each (lambda (spec)
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(let loop ([spec spec])
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(syntax-case* spec (for-syntax for-template for-label for-meta just-meta)
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(lambda (a b)
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(eq? (syntax-e a) (syntax-e b)))
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[(just-meta phase specs ...)
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(for-each loop (syntax->list #'(specs ...)))]
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[(for-syntax specs ...)
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(at-phase spec require-for-syntaxes)]
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[(for-meta 1 specs ...)
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(at-phase #'(for-syntax specs ...) require-for-syntaxes)]
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[(for-template specs ...)
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(at-phase spec require-for-templates)]
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[(for-meta -1 specs ...)
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(at-phase #'(for-template specs ...) require-for-templates)]
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[(for-label specs ...)
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(at-phase spec require-for-labels)]
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[(for-meta #f specs ...)
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(at-phase #'(for-label specs ...) require-for-labels)]
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[(for-meta 0 specs ...)
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(at-phase #'(for-run specs ...) requires)]
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[(for-meta . _) (void)]
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[else
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(at-phase (list #f spec) requires)])))
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(syntax->list #'(require-specs ...))))]
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; module top level only:
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[(#%provide provide-specs ...)
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(let ([provided-varss (map extract-provided-vars
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(syntax->list (syntax (provide-specs ...))))])
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(annotate-raw-keyword sexp varrefs)
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(for-each (λ (provided-vars)
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(for-each
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(λ (provided-var)
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(when (syntax-original? provided-var)
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(add-id varrefs provided-var)))
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provided-vars))
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provided-varss))]
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[(#%expression arg)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(loop #'arg))]
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[id
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(identifier? (syntax id))
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(when (syntax-original? sexp)
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(add-id varrefs sexp))]
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[_
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(begin
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#;
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(printf "unknown stx: ~.s datum: ~e source: ~e\n"
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sexp
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(and (syntax? sexp)
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(syntax->datum sexp))
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(and (syntax? sexp)
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(syntax-source sexp)))
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(void))])))
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(add-tail-ht-links tail-ht)))
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(define (hash-cons! ht k v)
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(hash-set! ht k (cons v (hash-ref ht k '()))))
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;; add-disappeared-bindings : syntax id-set -> void
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(define (add-disappeared-bindings stx binders disappaeared-uses)
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(let ([prop (syntax-property stx 'disappeared-binding)])
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(when prop
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(let loop ([prop prop])
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(cond
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[(pair? prop)
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(loop (car prop))
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(loop (cdr prop))]
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[(identifier? prop)
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(add-origins prop disappaeared-uses)
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(add-id binders prop)])))))
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;; add-disappeared-uses : syntax id-set -> void
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(define (add-disappeared-uses stx id-set)
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(let ([prop (syntax-property stx 'disappeared-use)])
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(when prop
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(let loop ([prop prop])
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(cond
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[(pair? prop)
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(loop (car prop))
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(loop (cdr prop))]
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[(identifier? prop)
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(add-id id-set prop)])))))
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;; add-require-spec : hash-table[sexp[require-spec] -o> (listof syntax)]
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;; -> sexp[require-spec]
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;; syntax
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;; -> void
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(define (add-require-spec require-ht)
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(λ (raw-spec syntax)
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(when (syntax-original? syntax)
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(let ([key (syntax->datum raw-spec)])
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(hash-set! require-ht
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key
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(cons syntax
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(hash-ref require-ht
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key
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(λ () '()))))))))
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;; annotate-variables : namespace directory string id-set[four of them] (listof syntax) (listof syntax) -> void
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;; colors in and draws arrows for variables, according to their classifications
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;; in the various id-sets
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(define (annotate-variables user-namespace
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user-directory
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low-binders
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high-binders
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low-varrefs
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high-varrefs
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low-varsets
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high-varsets
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low-tops
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high-tops
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templrefs
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module-lang-requires
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requires
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require-for-syntaxes
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require-for-templates
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require-for-labels)
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|
|
(let ([unused-requires (make-hash)]
|
|
[unused-require-for-syntaxes (make-hash)]
|
|
[unused-require-for-templates (make-hash)]
|
|
[unused-require-for-labels (make-hash)]
|
|
[requires/phases (make-hash)]
|
|
[unused/phases (make-hash)]
|
|
;; there is no define-for-template form, thus no for-template binders
|
|
[template-binders (make-id-set)]
|
|
[label-binders (make-id-set)]
|
|
[id-sets (list low-binders high-binders low-varrefs high-varrefs low-tops high-tops)])
|
|
|
|
(hash-set! requires/phases 0 requires)
|
|
(hash-set! requires/phases 1 require-for-syntaxes)
|
|
(hash-set! requires/phases -1 require-for-templates)
|
|
(hash-set! requires/phases #f require-for-labels)
|
|
|
|
(hash-set! unused/phases 0 unused-requires)
|
|
(hash-set! unused/phases 1 unused-require-for-syntaxes)
|
|
(hash-set! unused/phases -1 unused-require-for-templates)
|
|
(hash-set! unused/phases #f unused-require-for-labels)
|
|
|
|
(hash-for-each requires
|
|
(λ (k v) (hash-set! unused-requires k #t)))
|
|
(hash-for-each require-for-syntaxes
|
|
(λ (k v) (hash-set! unused-require-for-syntaxes k #t)))
|
|
(hash-for-each require-for-templates
|
|
(lambda (k v) (hash-set! unused-require-for-templates k #t)))
|
|
(hash-for-each require-for-labels
|
|
(lambda (k v) (hash-set! unused-require-for-labels k #t)))
|
|
|
|
(let ([handle-var-bind
|
|
(λ (var varsets)
|
|
(when (syntax-original? var)
|
|
(color-variable var 0 varsets)
|
|
(document-variable var 0)))])
|
|
(for-each (λ (vars)
|
|
(for-each (λ (var) (handle-var-bind var high-varsets))
|
|
vars))
|
|
(get-idss high-binders))
|
|
(for-each (λ (vars)
|
|
(for-each (λ (var) (handle-var-bind var low-varsets))
|
|
vars))
|
|
(get-idss low-binders)))
|
|
|
|
|
|
(let ([handle-var-ref
|
|
(λ (var index binders varsets)
|
|
(color-variable var index varsets)
|
|
(when (syntax-original? var)
|
|
(document-variable var index))
|
|
(connect-identifier var
|
|
binders
|
|
unused/phases
|
|
requires/phases
|
|
index
|
|
user-namespace
|
|
user-directory
|
|
#t))])
|
|
(for-each (λ (vars) (for-each
|
|
(λ (var) (handle-var-ref var 0 low-binders low-varsets))
|
|
vars))
|
|
(get-idss low-varrefs))
|
|
|
|
(for-each (λ (vars) (for-each
|
|
(λ (var) (handle-var-ref var 1 high-binders high-varsets))
|
|
vars))
|
|
(get-idss high-varrefs)))
|
|
|
|
(for-each (lambda (vars) (for-each
|
|
(lambda (var)
|
|
;; no color variable
|
|
(connect-identifier var
|
|
low-binders
|
|
unused/phases
|
|
requires/phases
|
|
0
|
|
user-namespace
|
|
user-directory
|
|
#f)
|
|
(connect-identifier var
|
|
high-binders
|
|
unused/phases
|
|
requires/phases
|
|
1
|
|
user-namespace
|
|
user-directory
|
|
#f)
|
|
(connect-identifier var
|
|
template-binders ;; dummy; always empty
|
|
unused/phases
|
|
requires/phases
|
|
-1
|
|
user-namespace
|
|
user-directory
|
|
#f)
|
|
(connect-identifier var
|
|
label-binders ;; dummy; always empty
|
|
unused/phases
|
|
requires/phases
|
|
#f
|
|
user-namespace
|
|
user-directory
|
|
#f))
|
|
vars))
|
|
(get-idss templrefs))
|
|
|
|
(for-each
|
|
(λ (vars)
|
|
(for-each
|
|
(λ (var)
|
|
(color/connect-top user-namespace user-directory low-binders var))
|
|
vars))
|
|
(get-idss low-tops))
|
|
|
|
(for-each
|
|
(λ (vars)
|
|
(for-each
|
|
(λ (var)
|
|
(color/connect-top user-namespace user-directory high-binders var))
|
|
vars))
|
|
(get-idss high-tops))
|
|
|
|
(color-unused require-for-labels unused-require-for-labels module-lang-requires)
|
|
(color-unused require-for-templates unused-require-for-templates module-lang-requires)
|
|
(color-unused require-for-syntaxes unused-require-for-syntaxes module-lang-requires)
|
|
(color-unused requires unused-requires module-lang-requires)
|
|
|
|
(make-rename-menus id-sets)))
|
|
|
|
;; color-unused : hash-table[sexp -o> syntax] hash-table[sexp -o> #f] hash-table[syntax -o> #t] -> void
|
|
(define (color-unused requires unused module-lang-requires)
|
|
(hash-for-each
|
|
unused
|
|
(λ (k v)
|
|
(for-each (λ (stx)
|
|
(unless (hash-ref module-lang-requires stx #f)
|
|
(define defs-text (current-annotations))
|
|
(define source-editor (find-source-editor stx))
|
|
(when (and defs-text source-editor)
|
|
(define pos (syntax-position stx))
|
|
(define span (syntax-span stx))
|
|
(when (and pos span)
|
|
(define start (- pos 1))
|
|
(define fin (+ start span))
|
|
(send defs-text syncheck:add-background-color
|
|
source-editor start fin "firebrick")))
|
|
(color stx unused-require-style-name 'default-mode)))
|
|
(hash-ref requires k)))))
|
|
|
|
;; connect-identifier : syntax
|
|
;; id-set
|
|
;; (union #f hash-table)
|
|
;; (union #f hash-table)
|
|
;; integer or 'lexical or #f
|
|
;; (listof id-set)
|
|
;; namespace
|
|
;; directory
|
|
;; boolean
|
|
;; -> void
|
|
;; adds arrows and rename menus for binders/bindings
|
|
(define (connect-identifier var all-binders
|
|
unused/phases requires/phases
|
|
phase-level user-namespace user-directory actual?)
|
|
(connect-identifier/arrow var all-binders
|
|
unused/phases requires/phases
|
|
phase-level user-namespace user-directory actual?))
|
|
|
|
;; id-level : integer-or-#f-or-'lexical identifier -> symbol
|
|
(define (id-level phase-level id)
|
|
(define (self-module? mpi)
|
|
(let-values ([(a b) (module-path-index-split mpi)])
|
|
(and (not a) (not b))))
|
|
(let ([binding (identifier-binding id phase-level)])
|
|
(cond [(list? binding)
|
|
(if (self-module? (car binding))
|
|
'top-level
|
|
'imported)]
|
|
[(eq? binding 'lexical) 'lexical]
|
|
[else 'top-level])))
|
|
|
|
;; connect-identifier/arrow : syntax
|
|
;; id-set
|
|
;; (union #f hash-table)
|
|
;; (union #f hash-table)
|
|
;; (union identifier-binding identifier-transformer-binding)
|
|
;; boolean
|
|
;; -> void
|
|
;; adds the arrows that correspond to binders/bindings
|
|
(define (connect-identifier/arrow var all-binders unused/phases requires/phases phase-level user-namespace user-directory actual?)
|
|
(let ([binders (get-ids all-binders var)])
|
|
(when binders
|
|
(for-each (λ (x)
|
|
(when (syntax-original? x)
|
|
(connect-syntaxes x var actual? (id-level phase-level x))))
|
|
binders))
|
|
|
|
(when (and unused/phases requires/phases)
|
|
(let ([req-path/pr (get-module-req-path (identifier-binding var phase-level)
|
|
phase-level)]
|
|
[source-req-path/pr (get-module-req-path (identifier-binding var phase-level)
|
|
phase-level
|
|
#:nominal? #f)])
|
|
(when (and req-path/pr source-req-path/pr)
|
|
(let* ([req-path (list-ref req-path/pr 0)]
|
|
[id (list-ref req-path/pr 1)]
|
|
[source-req-path (list-ref source-req-path/pr 3)]
|
|
[source-id (list-ref source-req-path/pr 1)]
|
|
[req-phase-level (list-ref req-path/pr 2)]
|
|
[unused (hash-ref unused/phases req-phase-level)]
|
|
[requires (hash-ref requires/phases req-phase-level)]
|
|
[req-stxes (hash-ref requires req-path (λ () #f))])
|
|
(when req-stxes
|
|
(hash-remove! unused req-path)
|
|
(for-each (λ (req-stx)
|
|
(when (id/require-match? (syntax->datum var)
|
|
id
|
|
(syntax->datum req-stx))
|
|
(when id
|
|
(let ([filename (get-require-filename source-req-path user-namespace user-directory)])
|
|
(when filename
|
|
(add-jump-to-definition
|
|
var
|
|
source-id
|
|
filename))))
|
|
(add-mouse-over var
|
|
(format
|
|
(string-constant cs-mouse-over-import)
|
|
(syntax-e var)
|
|
req-path))
|
|
(connect-syntaxes req-stx var actual?
|
|
(id-level phase-level var))))
|
|
req-stxes))))))))
|
|
|
|
(define (id/require-match? var id req-stx)
|
|
(cond
|
|
[(and (pair? req-stx)
|
|
(eq? (list-ref req-stx 0) 'prefix))
|
|
(let ([prefix (list-ref req-stx 1)])
|
|
(equal? (format "~a~a" prefix id)
|
|
(symbol->string var)))]
|
|
[(and (pair? req-stx)
|
|
(eq? (list-ref req-stx 0) 'prefix-all-except))
|
|
(let ([prefix (list-ref req-stx 1)])
|
|
(and (not (memq id (cdddr req-stx)))
|
|
(equal? (format "~a~a" prefix id)
|
|
(symbol->string var))))]
|
|
[(and (pair? req-stx)
|
|
(eq? (list-ref req-stx 0) 'rename))
|
|
(eq? (list-ref req-stx 2)
|
|
var)]
|
|
[else (eq? var id)]))
|
|
|
|
|
|
;; get-module-req-path : binding number [#:nominal? boolean] -> (union #f (list require-sexp sym ?? module-path))
|
|
;; argument is the result of identifier-binding or identifier-transformer-binding
|
|
(define (get-module-req-path binding phase-level #:nominal? [nominal-source-path? #t])
|
|
(and (pair? binding)
|
|
(or (not (number? phase-level))
|
|
(= phase-level
|
|
(+ (list-ref binding 5)
|
|
(list-ref binding 6))))
|
|
(let ([mod-path (if nominal-source-path? (list-ref binding 2) (list-ref binding 0))])
|
|
(cond
|
|
[(module-path-index? mod-path)
|
|
(let-values ([(base offset) (module-path-index-split mod-path)])
|
|
(list base
|
|
(if nominal-source-path? (list-ref binding 3) (list-ref binding 1))
|
|
(list-ref binding 5)
|
|
mod-path))]
|
|
[(symbol? mod-path)
|
|
(list mod-path
|
|
(if nominal-source-path? (list-ref binding 3) (list-ref binding 1))
|
|
(list-ref binding 5)
|
|
mod-path)]
|
|
[else #f]))))
|
|
|
|
;; color/connect-top : namespace directory id-set syntax -> void
|
|
(define (color/connect-top user-namespace user-directory binders var)
|
|
(let ([top-bound?
|
|
(or (get-ids binders var)
|
|
(parameterize ([current-namespace user-namespace])
|
|
(let/ec k
|
|
(namespace-variable-value (syntax-e var) #t (λ () (k #f)))
|
|
#t)))])
|
|
(if top-bound?
|
|
(color var lexically-bound-variable-style-name 'default-mode)
|
|
(color var free-variable-style-name 'default-mode))
|
|
(connect-identifier var binders #f #f 0 user-namespace user-directory #t)))
|
|
|
|
;; color-variable : syntax phase-level module-identifier-mapping -> void
|
|
(define (color-variable var phase-level varsets)
|
|
(let* ([b (identifier-binding var phase-level)]
|
|
[lexical?
|
|
(or (not b)
|
|
(eq? b 'lexical)
|
|
(and (pair? b)
|
|
(let ([path (caddr b)])
|
|
(and (module-path-index? path)
|
|
(let-values ([(a b) (module-path-index-split path)])
|
|
(and (not a)
|
|
(not b)))))))])
|
|
(cond
|
|
[(get-ids varsets var)
|
|
(color var set!d-variable-style-name 'default-mode)]
|
|
[lexical? (color var lexically-bound-variable-style-name 'default-mode)]
|
|
[(pair? b) (color var imported-variable-style-name 'default-mode)])))
|
|
|
|
;; add-var : hash-table -> syntax -> void
|
|
;; adds the variable to the hash table.
|
|
(define (add-var ht)
|
|
(λ (var)
|
|
(let* ([key (syntax-e var)]
|
|
[prev (hash-ref ht key (λ () null))])
|
|
(hash-set! ht key (cons var prev)))))
|
|
|
|
;; connect-syntaxes : syntax[original] syntax[original] boolean symbol -> void
|
|
;; adds an arrow from `from' to `to', unless they have the same source loc.
|
|
(define (connect-syntaxes from to actual? level)
|
|
(let ([from-source (find-source-editor from)]
|
|
[to-source (find-source-editor to)]
|
|
[defs-text (current-annotations)])
|
|
(when (and from-source to-source defs-text)
|
|
(let ([pos-from (syntax-position from)]
|
|
[span-from (syntax-span from)]
|
|
[pos-to (syntax-position to)]
|
|
[span-to (syntax-span to)])
|
|
(when (and pos-from span-from pos-to span-to)
|
|
(let* ([from-pos-left (- (syntax-position from) 1)]
|
|
[from-pos-right (+ from-pos-left (syntax-span from))]
|
|
[to-pos-left (- (syntax-position to) 1)]
|
|
[to-pos-right (+ to-pos-left (syntax-span to))])
|
|
(unless (= from-pos-left to-pos-left)
|
|
(send defs-text syncheck:add-arrow
|
|
from-source from-pos-left from-pos-right
|
|
to-source to-pos-left to-pos-right
|
|
actual? level))))))))
|
|
|
|
;; add-mouse-over : syntax[original] string -> void
|
|
;; registers the range in the editor so that a mouse over
|
|
;; this area shows up in the status line.
|
|
(define (add-mouse-over stx str)
|
|
(let* ([source (find-source-editor stx)]
|
|
[defs-text (current-annotations)])
|
|
(when (and defs-text
|
|
source
|
|
(syntax-position stx)
|
|
(syntax-span stx))
|
|
(let* ([pos-left (- (syntax-position stx) 1)]
|
|
[pos-right (+ pos-left (syntax-span stx))])
|
|
(send defs-text syncheck:add-mouse-over-status
|
|
source pos-left pos-right str)))))
|
|
|
|
;; add-jump-to-definition : syntax symbol path -> void
|
|
;; registers the range in the editor so that the
|
|
;; popup menu in this area allows the programmer to jump
|
|
;; to the definition of the id.
|
|
(define (add-jump-to-definition stx id filename)
|
|
(let ([source (find-source-editor stx)]
|
|
[defs-text (current-annotations)])
|
|
(when (and source
|
|
defs-text
|
|
(syntax-position stx)
|
|
(syntax-span stx))
|
|
(let* ([pos-left (- (syntax-position stx) 1)]
|
|
[pos-right (+ pos-left (syntax-span stx))])
|
|
(send defs-text syncheck:add-jump-to-definition
|
|
source
|
|
pos-left
|
|
pos-right
|
|
id
|
|
filename)))))
|
|
|
|
;; annotate-tail-position/last : (listof syntax) -> void
|
|
(define (annotate-tail-position/last orig-stx stxs tail-ht)
|
|
(unless (null? stxs)
|
|
(annotate-tail-position orig-stx (car (last-pair stxs)) tail-ht)))
|
|
|
|
;; annotate-tail-position : syntax -> void
|
|
;; colors the parens (if any) around the argument
|
|
;; to indicate this is a tail call.
|
|
(define (annotate-tail-position orig-stx tail-stx tail-ht)
|
|
(hash-set!
|
|
tail-ht
|
|
orig-stx
|
|
(cons
|
|
tail-stx
|
|
(hash-ref
|
|
tail-ht
|
|
orig-stx
|
|
(λ () null)))))
|
|
|
|
;; annotate-require-open : namespace string -> (stx -> void)
|
|
;; relies on current-module-name-resolver, which in turn depends on
|
|
;; current-directory and current-namespace
|
|
(define (annotate-require-open user-namespace user-directory)
|
|
(λ (require-spec)
|
|
(when (syntax-original? require-spec)
|
|
(let ([source (find-source-editor require-spec)])
|
|
(when (and source
|
|
(syntax-position require-spec)
|
|
(syntax-span require-spec))
|
|
(let ([defs-text (current-annotations)])
|
|
(when defs-text
|
|
(let* ([start (- (syntax-position require-spec) 1)]
|
|
[end (+ start (syntax-span require-spec))]
|
|
[file (get-require-filename (syntax->datum require-spec)
|
|
user-namespace
|
|
user-directory)])
|
|
(when file
|
|
(send defs-text syncheck:add-require-open-menu
|
|
source start end file))))))))))
|
|
|
|
;; get-require-filename : sexp-or-module-path-index namespace string[directory] -> filename or #f
|
|
;; finds the filename corresponding to the require in stx
|
|
(define (get-require-filename datum user-namespace user-directory)
|
|
(parameterize ([current-namespace user-namespace]
|
|
[current-directory (or user-directory (current-directory))]
|
|
[current-load-relative-directory user-directory])
|
|
(let* ([rkt-path/mod-path
|
|
(with-handlers ([exn:fail? (λ (x) #f)])
|
|
(cond
|
|
[(module-path-index? datum)
|
|
(resolved-module-path-name
|
|
(module-path-index-resolve datum))]
|
|
[else
|
|
(resolved-module-path-name
|
|
((current-module-name-resolver) datum #f #f))]))]
|
|
[rkt-path/f (and (path? rkt-path/mod-path) rkt-path/mod-path)])
|
|
(let/ec k
|
|
(unless (path? rkt-path/f) (k rkt-path/f))
|
|
(when (file-exists? rkt-path/f) (k rkt-path/f))
|
|
(let* ([bts (path->bytes rkt-path/f)]
|
|
[len (bytes-length bts)])
|
|
(unless (and (len . >= . 4)
|
|
(bytes=? #".rkt" (subbytes bts (- len 4))))
|
|
(k rkt-path/f))
|
|
(let ([ss-path (bytes->path (bytes-append (subbytes bts 0 (- len 4)) #".ss"))])
|
|
(unless (file-exists? ss-path)
|
|
(k rkt-path/f))
|
|
ss-path))))))
|
|
|
|
;; possible-suffixes : (listof string)
|
|
;; these are the suffixes that are checked for the reverse
|
|
;; module-path mapping.
|
|
(define possible-suffixes '(".rkt" ".ss" ".scm" ""))
|
|
|
|
;; module-name-sym->filename : symbol -> (union #f string)
|
|
(define (module-name-sym->filename sym)
|
|
(let ([str (symbol->string sym)])
|
|
(and ((string-length str) . > . 1)
|
|
(char=? (string-ref str 0) #\,)
|
|
(let ([fn (substring str 1 (string-length str))])
|
|
(ormap (λ (x)
|
|
(let ([test (string->path (string-append fn x))])
|
|
(and (file-exists? test)
|
|
test)))
|
|
possible-suffixes)))))
|
|
|
|
;; add-origins : sexp id-set -> void
|
|
(define (add-origins sexp id-set)
|
|
(let ([origin (syntax-property sexp 'origin)])
|
|
(when origin
|
|
(let loop ([ct origin])
|
|
(cond
|
|
[(pair? ct)
|
|
(loop (car ct))
|
|
(loop (cdr ct))]
|
|
[(syntax? ct)
|
|
(when (syntax-original? ct)
|
|
(add-id id-set ct))]
|
|
[else (void)])))))
|
|
|
|
;; FIXME: handle for-template and for-label
|
|
;; extract-provided-vars : syntax -> (listof syntax[identifier])
|
|
(define (extract-provided-vars stx)
|
|
(syntax-case* stx (rename struct all-from all-from-except all-defined-except) symbolic-compare?
|
|
[identifier
|
|
(identifier? (syntax identifier))
|
|
(list (syntax identifier))]
|
|
|
|
[(rename local-identifier export-identifier)
|
|
(list (syntax local-identifier))]
|
|
|
|
;; why do I even see this?!?
|
|
[(struct struct-identifier (field-identifier ...))
|
|
null]
|
|
|
|
[(all-from module-name) null]
|
|
[(all-from-except module-name identifier ...)
|
|
null]
|
|
[(all-defined-except identifier ...)
|
|
(syntax->list #'(identifier ...))]
|
|
[_
|
|
null]))
|
|
|
|
|
|
;; trim-require-prefix : syntax -> syntax
|
|
(define (trim-require-prefix require-spec)
|
|
(syntax-case* require-spec (only prefix all-except prefix-all-except rename just-meta) symbolic-compare?
|
|
[(only module-name identifer ...)
|
|
(syntax module-name)]
|
|
[(prefix identifier module-name)
|
|
(syntax module-name)]
|
|
[(all-except module-name identifer ...)
|
|
(syntax module-name)]
|
|
[(prefix-all-except module-name identifer ...)
|
|
(syntax module-name)]
|
|
[(rename module-name local-identifer exported-identifer)
|
|
(syntax module-name)]
|
|
[_ require-spec]))
|
|
|
|
(define (symbolic-compare? x y) (eq? (syntax-e x) (syntax-e y)))
|
|
|
|
;; add-binders : syntax id-set (or/c #f id-set) (or/c #f syntax) -> void
|
|
;; transforms an argument list into a bunch of symbols/symbols
|
|
;; and puts them into the id-set
|
|
;; effect: colors the identifiers
|
|
(define (add-binders stx id-set binding-to-init init-exp)
|
|
(let loop ([stx stx])
|
|
(let ([e (if (syntax? stx) (syntax-e stx) stx)])
|
|
(cond
|
|
[(cons? e)
|
|
(let ([fst (car e)]
|
|
[rst (cdr e)])
|
|
(if (syntax? fst)
|
|
(begin
|
|
(when (syntax-original? fst)
|
|
(when binding-to-init
|
|
(add-init-exp binding-to-init fst init-exp))
|
|
(add-id id-set fst))
|
|
(loop rst))
|
|
(loop rst)))]
|
|
[(null? e) (void)]
|
|
[else
|
|
(when (syntax-original? stx)
|
|
(when binding-to-init
|
|
(add-init-exp binding-to-init stx init-exp))
|
|
(add-id id-set stx))]))))
|
|
|
|
;; annotate-raw-keyword : syntax id-map -> void
|
|
;; annotates keywords when they were never expanded. eg.
|
|
;; if someone just types `(λ (x) x)' it has no 'origin
|
|
;; field, but there still are keywords.
|
|
(define (annotate-raw-keyword stx id-map)
|
|
(let ([lst (syntax-e stx)])
|
|
(when (pair? lst)
|
|
(let ([f-stx (car lst)])
|
|
(when (and (syntax-original? f-stx)
|
|
(identifier? f-stx))
|
|
(add-id id-map f-stx))))))
|
|
|
|
;; color-internal-structure : syntax str -> void
|
|
(define (color-internal-structure stx style-name mode)
|
|
(let ([ht (make-hasheq)])
|
|
;; ht : stx -o> true
|
|
;; indicates if we've seen this syntax object before
|
|
|
|
(let loop ([stx stx]
|
|
[datum (syntax->datum stx)])
|
|
(unless (hash-ref ht datum (λ () #f))
|
|
(hash-set! ht datum #t)
|
|
(cond
|
|
[(pair? stx)
|
|
(loop (car stx) (car datum))
|
|
(loop (cdr stx) (cdr datum))]
|
|
[(syntax? stx)
|
|
(when (syntax-original? stx)
|
|
(color stx style-name mode))
|
|
(let ([stx-e (syntax-e stx)])
|
|
(cond
|
|
[(cons? stx-e)
|
|
(loop (car stx-e) (car datum))
|
|
(loop (cdr stx-e) (cdr datum))]
|
|
[(null? stx-e)
|
|
(void)]
|
|
[(vector? stx-e)
|
|
(for-each loop
|
|
(vector->list stx-e)
|
|
(vector->list datum))]
|
|
[(box? stx-e)
|
|
(loop (unbox stx-e) (unbox datum))]
|
|
[else (void)]))])))))
|
|
|
|
;; hash-table[syntax -o> (listof syntax)] -> void
|
|
(define (add-tail-ht-links tail-ht)
|
|
(begin
|
|
(collapse-tail-links tail-ht)
|
|
(hash-for-each
|
|
tail-ht
|
|
(λ (stx-from stx-tos)
|
|
(for-each (λ (stx-to) (add-tail-ht-link stx-from stx-to))
|
|
stx-tos)))))
|
|
|
|
;; hash-table[syntax -o> (listof syntax)] -> void
|
|
;; take something like a transitive closure, except
|
|
;; only when there are non-original links in between
|
|
|
|
(define (collapse-tail-links tail-ht)
|
|
(let loop ()
|
|
(let ([found-one? #f])
|
|
(hash-for-each
|
|
tail-ht
|
|
(λ (stx-from stx-tos)
|
|
(for-each
|
|
(λ (stx-to)
|
|
(let ([stx-to-tos (hash-ref tail-ht stx-to '())])
|
|
(for-each
|
|
(λ (stx-to-to)
|
|
(unless (and (add-tail-link? stx-from stx-to)
|
|
(add-tail-link? stx-to stx-to-to))
|
|
(unless (memq stx-to-to (hash-ref tail-ht stx-from '()))
|
|
(set! found-one? #t)
|
|
(hash-cons! tail-ht stx-from stx-to-to))))
|
|
stx-to-tos)))
|
|
stx-tos)))
|
|
|
|
;; this takes O(n^3) in general, so we just do
|
|
;; one iteration. This doesn't work for case
|
|
;; expressions but it seems to for most others.
|
|
;; turning this on makes this function go from about
|
|
;; 55 msec to about 2400 msec on my laptop,
|
|
;; (a 43x slowdown) when checking the syntax of this file.
|
|
|
|
#;
|
|
(when found-one?
|
|
(loop)))))
|
|
|
|
;; add-tail-ht-link : syntax syntax -> void
|
|
(define (add-tail-ht-link from-stx to-stx)
|
|
(let* ([to-src (find-source-editor to-stx)]
|
|
[from-src (find-source-editor from-stx)]
|
|
[defs-text (current-annotations)])
|
|
(when (and to-src from-src defs-text)
|
|
(let ([from-pos (syntax-position from-stx)]
|
|
[to-pos (syntax-position to-stx)])
|
|
(when (and from-pos to-pos)
|
|
(send defs-text syncheck:add-tail-arrow
|
|
from-src (- from-pos 1)
|
|
to-src (- to-pos 1)))))))
|
|
|
|
;; add-tail-link? : syntax syntax -> boolean
|
|
(define (add-tail-link? from-stx to-stx)
|
|
(let* ([to-src (find-source-editor to-stx)]
|
|
[from-src (find-source-editor from-stx)]
|
|
[defs-text (current-annotations)])
|
|
(and to-src from-src defs-text
|
|
(let ([from-pos (syntax-position from-stx)]
|
|
[to-pos (syntax-position to-stx)])
|
|
(and from-pos to-pos)))))
|
|
|
|
|
|
|
|
|
|
;
|
|
;
|
|
; ;
|
|
; ; ;
|
|
; ; ; ;
|
|
; ;; ; ;;; ;;;; ; ; ; ;; ;; ;;; ; ;; ;;;;; ;;;; ;;;;; ;;; ;;; ; ;;
|
|
; ; ;; ; ; ; ; ; ;; ;; ; ; ; ;; ; ; ; ; ; ; ; ;; ;
|
|
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
|
|
; ; ; ; ; ; ; ; ; ; ; ;;;;; ; ; ; ;;;; ; ; ; ; ; ;
|
|
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
|
|
; ; ;; ; ; ; ; ;; ; ; ; ; ; ; ; ; ;; ; ; ; ; ; ;
|
|
; ;; ; ;;; ;;;; ;; ; ; ; ; ;;;; ; ; ;;; ;; ; ;;; ; ;;; ; ;
|
|
;
|
|
;
|
|
;
|
|
|
|
|
|
;; document-variable : stx[identifier,original] phase-level -> void
|
|
(define (document-variable stx phase-level)
|
|
(let ([defs-text (current-annotations)])
|
|
(when defs-text
|
|
(let ([binding-info (identifier-binding stx phase-level)])
|
|
(when (and (pair? binding-info)
|
|
(syntax-position stx)
|
|
(syntax-span stx))
|
|
(let* ([start (- (syntax-position stx) 1)]
|
|
[fin (+ start (syntax-span stx))]
|
|
[source-editor (find-source-editor stx)])
|
|
(when source-editor
|
|
(let ([xref (get-xref)])
|
|
(when xref
|
|
(let ([definition-tag (xref-binding->definition-tag xref binding-info #f)])
|
|
(when definition-tag
|
|
(let-values ([(path tag) (xref-tag->path+anchor xref definition-tag)])
|
|
(when path
|
|
(let ([index-entry (xref-tag->index-entry xref definition-tag)])
|
|
(when index-entry
|
|
(send defs-text syncheck:add-background-color
|
|
source-editor start fin "navajowhite")
|
|
(send defs-text syncheck:add-docs-menu
|
|
source-editor
|
|
start
|
|
fin
|
|
(syntax-e stx)
|
|
(build-docs-label (entry-desc index-entry))
|
|
path
|
|
tag))))))))))))))))
|
|
|
|
(define (build-docs-label desc)
|
|
(let ([libs (exported-index-desc-from-libs desc)])
|
|
(cond
|
|
[(null? libs)
|
|
(format
|
|
(string-constant cs-view-docs)
|
|
(exported-index-desc-name desc))]
|
|
[else
|
|
(format
|
|
(string-constant cs-view-docs-from)
|
|
(format
|
|
(string-constant cs-view-docs)
|
|
(exported-index-desc-name desc))
|
|
(apply string-append
|
|
(add-between
|
|
(map (λ (x) (format "~s" x)) libs)
|
|
", ")))])))
|
|
|
|
|
|
|
|
;
|
|
;
|
|
;
|
|
; ;
|
|
; ;
|
|
;
|
|
; ; ;; ;;; ;;;; ;;;; ;;;;; ; ;;;; ;;;;
|
|
; ;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
|
|
; ; ; ;;;;; ; ; ; ; ; ; ; ; ; ; ; ;
|
|
; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
|
|
; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ;
|
|
; ; ;;; ; ; ;; ; ; ; ; ; ; ; ;;;;
|
|
; ;
|
|
; ; ;
|
|
; ;;;
|
|
|
|
|
|
;; make-rename-menus : (listof id-set) -> void
|
|
(define (make-rename-menus id-sets)
|
|
(define id-to-sets (make-module-identifier-mapping))
|
|
(let ([defs-text (current-annotations)])
|
|
(when defs-text
|
|
(for ([id-set (in-list id-sets)])
|
|
(for-each-ids
|
|
id-set
|
|
(λ (vars)
|
|
(for ([var (in-list vars)])
|
|
(define ed (find-source-editor var))
|
|
(when ed
|
|
(define pos (syntax-position var))
|
|
(define span (syntax-span var))
|
|
(when (and pos span)
|
|
(define start (- pos 1))
|
|
(define fin (+ start span))
|
|
(define loc (list ed start fin))
|
|
(module-identifier-mapping-put!
|
|
id-to-sets
|
|
var
|
|
(set-add (module-identifier-mapping-get id-to-sets var set)
|
|
loc))))))))
|
|
(module-identifier-mapping-for-each
|
|
id-to-sets
|
|
(λ (id locs)
|
|
(define (name-dup? new-str)
|
|
(and (for/or ([id-set (in-list id-sets)])
|
|
(for/or ([id (in-list (or (get-ids id-set id) '()))])
|
|
(let ([new-id (datum->syntax id (string->symbol new-str))])
|
|
(for/or ([id-set (in-list id-sets)])
|
|
(get-ids id-set new-id)))))
|
|
#t))
|
|
(define loc-lst (set->list locs))
|
|
(define id-as-sym (syntax-e id))
|
|
(send defs-text syncheck:add-rename-menu
|
|
id-as-sym
|
|
loc-lst
|
|
name-dup?))))))
|
|
|
|
;; remove-duplicates-stx : (listof syntax[original]) -> (listof syntax[original])
|
|
;; removes duplicates, based on the source locations of the identifiers
|
|
(define (remove-duplicates-stx ids)
|
|
(cond
|
|
[(null? ids) null]
|
|
[else (let loop ([fst (car ids)]
|
|
[rst (cdr ids)])
|
|
(cond
|
|
[(null? rst) (list fst)]
|
|
[else (if (and (eq? (syntax-source fst)
|
|
(syntax-source (car rst)))
|
|
(= (syntax-position fst)
|
|
(syntax-position (car rst))))
|
|
(loop fst (cdr rst))
|
|
(cons fst (loop (car rst) (cdr rst))))]))]))
|
|
|
|
|
|
;
|
|
;
|
|
;
|
|
; ; ;
|
|
; ;
|
|
; ; ;
|
|
; ; ;; ; ;;; ;;; ;;;; ;;;
|
|
; ; ; ;; ; ; ; ; ;
|
|
; ; ; ; ;; ; ; ; ;;
|
|
; ; ; ; ;; ;;;;;; ; ;;
|
|
; ; ; ; ; ; ; ;
|
|
; ; ; ;; ; ; ; ;
|
|
; ; ;; ; ;;; ;;;; ;; ;;;
|
|
;
|
|
;
|
|
;
|
|
|
|
;; make-id-set : -> id-set
|
|
(define (make-id-set) (make-module-identifier-mapping))
|
|
|
|
;; add-init-exp : id-set identifier stx -> void
|
|
(define (add-init-exp mapping id init-exp)
|
|
(let* ([old (module-identifier-mapping-get mapping id (λ () '()))]
|
|
[new (cons init-exp old)])
|
|
(module-identifier-mapping-put! mapping id new)))
|
|
|
|
;; add-id : id-set identifier -> void
|
|
(define (add-id mapping id)
|
|
(let* ([old (module-identifier-mapping-get mapping id (λ () '()))]
|
|
[new (cons id old)])
|
|
(module-identifier-mapping-put! mapping id new)))
|
|
|
|
;; get-idss : id-set -> (listof (listof identifier))
|
|
(define (get-idss mapping)
|
|
(module-identifier-mapping-map mapping (λ (x y) y)))
|
|
|
|
;; get-ids : id-set identifier -> (union (listof identifier) #f)
|
|
(define (get-ids mapping var)
|
|
(module-identifier-mapping-get mapping var (λ () #f)))
|
|
|
|
;; for-each-ids : id-set ((listof identifier) -> void) -> void
|
|
(define (for-each-ids mapping f)
|
|
(module-identifier-mapping-for-each mapping (λ (x y) (f y))))
|
|
|
|
|
|
|
|
|