103 lines
3.1 KiB
Clojure
103 lines
3.1 KiB
Clojure
(ns swank.commands.completion
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(:use (swank util core commands)
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(swank.util string clojure java class-browse)))
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(defn potential-ns
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"Returns a list of potential namespace completions for a given
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namespace"
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([] (potential-ns *ns*))
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([ns]
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(for [ns-sym (concat (keys (ns-aliases (ns-name ns)))
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(map ns-name (all-ns)))]
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(name ns-sym))))
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(defn potential-var-public
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"Returns a list of potential public var name completions for a
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given namespace"
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([] (potential-var-public *ns*))
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([ns]
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(for [var-sym (keys (ns-publics ns))]
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(name var-sym))))
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(defn potential-var
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"Returns a list of all potential var name completions for a given
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namespace"
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([] (potential-var *ns*))
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([ns]
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(for [[key v] (ns-map ns)
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:when (var? v)]
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(name key))))
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(defn potential-classes
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"Returns a list of potential class name completions for a given
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namespace"
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([] (potential-classes *ns*))
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([ns]
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(for [class-sym (keys (ns-imports ns))]
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(name class-sym))))
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(defn potential-dot
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"Returns a list of potential dot method name completions for a given
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namespace"
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([] (potential-dot *ns*))
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([ns]
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(map #(str "." %) (set (map member-name (mapcat instance-methods (vals (ns-imports ns))))))))
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(defn potential-static
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"Returns a list of potential static members for a given namespace"
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([#^Class class]
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(concat (map member-name (static-methods class))
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(map member-name (static-fields class)))))
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(defn potential-classes-on-path
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"Returns a list of Java class and Clojure package names found on the current
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classpath. To minimize noise, list is nil unless a '.' is present in the search
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string, and nested classes are only shown if a '$' is present."
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([symbol-string]
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(when (.contains symbol-string ".")
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(if (.contains symbol-string "$")
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@nested-classes
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@top-level-classes))))
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(defn resolve-class
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"Attempts to resolve a symbol into a java Class. Returns nil on
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failure."
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([sym]
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(try
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(let [res (resolve sym)]
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(when (class? res)
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res))
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(catch Throwable t
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nil))))
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(defn- maybe-alias [sym ns]
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(or (resolve-ns sym (maybe-ns ns))
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(maybe-ns ns)))
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(defn potential-completions [symbol-ns ns]
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(if symbol-ns
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(map #(str symbol-ns "/" %)
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(if-let [class (resolve-class symbol-ns)]
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(potential-static class)
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(potential-var-public (maybe-alias symbol-ns ns))))
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(concat (potential-var ns)
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(when-not symbol-ns
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(potential-ns))
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(potential-classes ns)
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(potential-dot ns))))
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(defslimefn simple-completions [symbol-string package]
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(try
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(let [[sym-ns sym-name] (symbol-name-parts symbol-string)
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potential (concat (potential-completions (when sym-ns (symbol sym-ns)) (ns-name (maybe-ns package)))
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(potential-classes-on-path symbol-string))
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matches (seq (sort (filter #(.startsWith #^String % symbol-string) potential)))]
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(list matches
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(if matches
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(reduce largest-common-prefix matches)
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symbol-string)))
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(catch java.lang.Throwable t
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(list nil symbol-string))))
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