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Code Issues 1 Releases Wiki Activity

Add optional env arguments to eval functions.

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This commit is contained in:
Calvin Rose 2019-01-20 16:06:30 -05:00
parent 2bbf9fdcc5
commit 090a6a8c5c
1 changed files with 6 additions and 4 deletions
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src/core/core.janet
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@ -1508,7 +1508,8 @@ value, one key will be ignored."
(defn eval-string (defn eval-string
"Evaluates a string in the current environment. If more control over the "Evaluates a string in the current environment. If more control over the
environment is needed, use run-context." environment is needed, use run-context."
[str] [str env &]
(default env *env*)
(var state (string str)) (var state (string str))
(defn chunks [buf _] (defn chunks [buf _]
(def ret state) (def ret state)
@ -1517,7 +1518,7 @@ value, one key will be ignored."
(buffer/push-string buf str) (buffer/push-string buf str)
(buffer/push-string buf "\n"))) (buffer/push-string buf "\n")))
(var returnval nil) (var returnval nil)
(run-context *env* chunks (run-context env chunks
(fn [sig x f source] (fn [sig x f source]
(if (= sig :dead) (if (= sig :dead)
(set returnval x) (set returnval x)
@ -1528,8 +1529,9 @@ value, one key will be ignored."
(defn eval (defn eval
"Evaluates a form in the current environment. If more control over the "Evaluates a form in the current environment. If more control over the
environment is needed, use run-context." environment is needed, use run-context."
[form] [form env &]
(def res (compile form *env* "eval")) (default env *env*)
(def res (compile form env "eval"))
(if (= (type res) :function) (if (= (type res) :function)
(res) (res)
(error (res :error)))) (error (res :error))))