makefile-targets and some other meta info functions added

This commit is contained in:
2026-08-18 02:15:33 +02:00
parent a21f4a4a39
commit 635d2d40d1
13 changed files with 538 additions and 251 deletions
+150 -118
View File
@@ -1,9 +1,10 @@
#lang racket/base
(require racket
racket/splicing
racket/stxparam
(for-syntax racket/base
racket/list
racket/string
racket/stxparam
syntax/parse)
"private/commands.rkt"
"private/engine.rkt"
@@ -19,7 +20,10 @@
default-target
make
current-makefile-prefix
makefile-prefixes
makefile-targets
makefile-target-exists?
makefile-target-procedure
refresh-makefile
run
raco
@@ -86,47 +90,37 @@
(or (current-first-dependency)
(error '$< "$< is only available while a target procedure with dependencies is running"))]))
(define-syntax (target stx)
(raise-syntax-error 'target "only valid inside makefile" stx))
(define-syntax (deps stx)
(raise-syntax-error 'deps "only valid inside a target clause in makefile" stx))
(define-syntax (phony stx)
(raise-syntax-error 'phony "only valid inside makefile" stx))
(define-syntax (default-target stx)
(raise-syntax-error 'default-target "only valid inside makefile" stx))
(define-syntax-parameter makefile-prefix
(λ (stx)
(raise-syntax-error 'racket-makefile "only valid inside makefile" stx)))
(begin-for-syntax
(struct target-spec (name-datum name-expression dependencies body source) #:transparent)
(define (makefile-prefix-expression stx)
(define transformer (syntax-parameter-value #'makefile-prefix))
(transformer stx))
(define (literal-name-datum stx who)
(define (makefile-prefix-datum stx)
(define expression (makefile-prefix-expression stx))
(syntax-parse expression
[((~datum quote) value)
(syntax-e #'value)]
[_
(raise-syntax-error
'makefile
"makefile prefix must be a quoted symbol or string"
stx)]))
(define (static-name-datum stx)
(syntax-parse stx
[id:id
(syntax-e #'id)]
[s:str
(syntax-e #'s)]
[((~datum quote) value)
(define datum (syntax-e #'value))
(unless (or (symbol? datum) (string? datum) (path? datum))
(raise-syntax-error who "expected a symbol, string, or path target name" stx))
(raise-syntax-error
'target
"quoted target name must be a symbol, string, or path"
stx))
datum]
[_
(raise-syntax-error
who
"target and makefile names must be literal identifiers, strings, paths, or quoted symbols"
stx)]))
(define (literal-expression stx who)
(define datum (literal-name-datum stx who))
#`(quote #,datum))
(define (dependency-expression stx)
(if (and (identifier? stx)
(not (identifier-binding stx)))
#`(quote #,(syntax-e stx))
stx))
[_ #f]))
(define (procedure-identifier context prefix target)
(define name
@@ -134,96 +128,134 @@
(format "makefile-target-~a-~a" prefix target)))
(datum->syntax context name context context))
(define (parse-target clause)
(syntax-parse clause
#:datum-literals (target deps)
[(target name (deps dependency ...) body ...)
(define datum (literal-name-datum #'name 'target))
(target-spec datum
(literal-expression #'name 'target)
(map dependency-expression
(syntax->list #'(dependency ...)))
(syntax->list #'(body ...))
clause)]
[(target name body ...)
(define datum (literal-name-datum #'name 'target))
(target-spec datum
(literal-expression #'name 'target)
'()
(syntax->list #'(body ...))
clause)]))
)
(define (dynamic-target-expression prefix-expression name dependencies body)
#`(let* ([target-name #,name]
[target-procedure
(procedure-rename
(λ ()
(call-target-procedure
#,prefix-expression
target-name
(λ ()
#,@body
(void))))
(string->symbol
(format "makefile-target-~a-~a"
#,prefix-expression
target-name)))])
(register-target!
#,prefix-expression
target-name
(list #,@dependencies)
target-procedure)
(void))))
(define-syntax (target stx)
(syntax-parse stx
#:datum-literals (deps)
[(_ name (deps dependency ...) body ...)
(define prefix-expression (makefile-prefix-expression stx))
(define prefix-datum (makefile-prefix-datum stx))
(define static-name (static-name-datum #'name))
(define dependencies (syntax->list #'(dependency ...)))
(define body-list (syntax->list #'(body ...)))
(if (and static-name
(not (eq? (syntax-local-context) 'expression)))
(let ([proc-id
(procedure-identifier stx prefix-datum static-name)])
#`(begin
(define (#,proc-id)
(call-target-procedure
#,prefix-expression
name
(λ ()
body ...
(void))))
(register-target!
#,prefix-expression
name
(list dependency ...)
#,proc-id)))
(dynamic-target-expression
prefix-expression
#'name
dependencies
body-list))]
[(_ name body ...)
(define prefix-expression (makefile-prefix-expression stx))
(define prefix-datum (makefile-prefix-datum stx))
(define static-name (static-name-datum #'name))
(define body-list (syntax->list #'(body ...)))
(if (and static-name
(not (eq? (syntax-local-context) 'expression)))
(let ([proc-id
(procedure-identifier stx prefix-datum static-name)])
#`(begin
(define (#,proc-id)
(call-target-procedure
#,prefix-expression
name
(λ ()
body ...
(void))))
(register-target!
#,prefix-expression
name
'()
#,proc-id)))
(dynamic-target-expression
prefix-expression
#'name
'()
body-list))]))
(define-syntax (deps stx)
(raise-syntax-error 'deps "only valid as the dependency clause of target" stx))
(define-syntax (phony stx)
(syntax-parse stx
[(_ name ...)
(define prefix-expression (makefile-prefix-expression stx))
#`(mark-phony! #,prefix-expression name ...)]))
(define-syntax (default-target stx)
(syntax-parse stx
[(_ name)
(define prefix-expression (makefile-prefix-expression stx))
#`(set-default-target! #,prefix-expression name)]))
(define-syntax (makefile stx)
(syntax-parse stx
#:datum-literals (target phony default-target)
[(_ prefix clause ...)
(define prefix-datum (literal-name-datum #'prefix 'makefile))
[(_ ((~datum quote) prefix) form ...)
(define prefix-datum (syntax-e #'prefix))
(unless (or (symbol? prefix-datum) (string? prefix-datum))
(raise-syntax-error
'makefile
"prefix must be a quoted symbol or string"
#'prefix))
(define prefix-expression #`(quote #,prefix-datum))
(define clauses (syntax->list #'(clause ...)))
(define targets '())
(define phony-forms '())
(define default-forms '())
(for ([clause (in-list clauses)])
(syntax-parse clause
#:datum-literals (target phony default-target)
[(target . _)
(set! targets (append targets (list (parse-target clause))))]
[(phony name ...)
(define names
(for/list ([name (in-list (syntax->list #'(name ...)))])
(literal-expression name 'phony)))
(set! phony-forms
(append phony-forms
(list #`(mark-phony! #,prefix-expression #,@names))))]
[(default-target name)
(define name-expression (literal-expression #'name 'default-target))
(set! default-forms
(append default-forms
(list #`(set-default-target!
#,prefix-expression
#,name-expression))))]
[_
(raise-syntax-error
'makefile
"expected target, phony, or default-target clause"
clause)]))
(define target-definitions
(for/list ([spec (in-list targets)])
(define proc-id
(procedure-identifier stx prefix-datum (target-spec-name-datum spec)))
(define name-expression (target-spec-name-expression spec))
(define dependencies (target-spec-dependencies spec))
(define body (target-spec-body spec))
#`(begin
(define (#,proc-id)
(call-target-procedure
#,prefix-expression
#,name-expression
(λ ()
#,@body
(void))))
(register-target!
#,prefix-expression
#,name-expression
(list #,@dependencies)
#,proc-id))))
(define source (syntax-source stx))
(define remember-source
(if (path? source)
#`(remember-makefile! (string->path #,(path->string source)))
#'(void)))
#`(begin
#,remember-source
(begin-makefile! #,prefix-expression)
#,@target-definitions
#,@phony-forms
#,@default-forms
;; The last makefile definition evaluated is the active makefile.
(current-makefile-prefix #,prefix-expression)
(void))]))
(with-syntax ([prefix-expression prefix-expression])
#`(begin
#,remember-source
(begin-makefile! prefix-expression)
(splicing-syntax-parameterize
([makefile-prefix (λ (stx) #'prefix-expression)])
form ...)
(current-makefile-prefix prefix-expression)
(void)))]
[(_ prefix form ...)
(raise-syntax-error
'makefile
"prefix must be explicit, for example (makefile 'stuff ...)"
#'prefix)]))