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mirror of https://github.com/janet-lang/janet synced 2024-06-16 10:19:55 +00:00

Address #352, #351, Use :source argument in dofile

Also re-add circular dependency detection.
This commit is contained in:
Calvin Rose 2020-04-19 09:38:18 -05:00
parent e202d30835
commit 5c612095a1

View File

@ -2101,7 +2101,7 @@
[ext loader]
(defn- find-prefix
[pre]
(or (find-index |(string/has-prefix? pre ($ 0)) module/paths) 0))
(or (find-index |(and (string? ($ 0)) (string/has-prefix? pre ($ 0))) module/paths) 0))
(array/insert module/paths 0 [(string ":cur:/:all:" ext) loader check-.])
(def all-index (find-prefix ":all:"))
(array/insert module/paths all-index [(string ":all:" ext) loader not-check-.])
@ -2184,6 +2184,7 @@
[path &keys
{:exit exit
:env env
:source src
:expander expander
:evaluator evaluator}]
(def f (if (= (type path) :core/file)
@ -2192,8 +2193,8 @@
(def path-is-file (= f path))
(default env (make-env))
(def spath (string path))
(put env :current-file (if-not path-is-file spath))
(put env :source (if-not path-is-file spath path))
(put env :current-file (or src (if-not path-is-file spath)))
(put env :source (or src (if-not path-is-file spath path)))
(defn chunks [buf _] (file/read f 2048 buf))
(defn bp [&opt x y]
(def ret (bad-parse x y))
@ -2216,7 +2217,7 @@
(if exit (os/exit 1) (eflush))))
:evaluator evaluator
:expander expander
:source (if path-is-file "<anonymous>" spath)}))
:source (or src (if path-is-file "<anonymous>" spath))}))
(if-not path-is-file (file/close f))
nenv)
@ -2241,12 +2242,14 @@
(unless fullpath (error mod-kind))
(if-let [check (in module/cache fullpath)]
check
(do
(def loader (if (keyword? mod-kind) (module/loaders mod-kind) mod-kind))
(unless loader (error (string "module type " mod-kind " unknown")))
(def env (loader fullpath args))
(put module/cache fullpath env)
env)))
(if-let [check2 (module/loading fullpath)]
(error (string "circular dependency " fullpath " detected"))
(do
(def loader (if (keyword? mod-kind) (module/loaders mod-kind) mod-kind))
(unless loader (error (string "module type " mod-kind " unknown")))
(def env (loader fullpath args))
(put module/cache fullpath env)
env))))
(defn import*
"Function form of import. Same parameters, but the path