X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=contrib%2Fsb-introspect%2Fsb-introspect.lisp;h=c9fed2fe6da172e9bca2bea11404e0f7fd4bcea7;hb=ede711efb19b4a79e50cd577653d69bbdea84646;hp=777ab6d70d38cc649ad831729b6268beff4d7b98;hpb=597ec21a0c823bf356fd6446f279ae2dddcbde66;p=sbcl.git

diff --git a/contrib/sb-introspect/sb-introspect.lisp b/contrib/sb-introspect/sb-introspect.lisp
index 777ab6d..c9fed2f 100644
--- a/contrib/sb-introspect/sb-introspect.lisp
+++ b/contrib/sb-introspect/sb-introspect.lisp
@@ -36,7 +36,12 @@
            "DEFINITION-SOURCE-PLIST"
            "DEFINITION-NOT-FOUND" "DEFINITION-NAME"
            "FIND-FUNCTION-CALLEES"
-           "FIND-FUNCTION-CALLERS"))
+           "FIND-FUNCTION-CALLERS"
+           "WHO-BINDS"
+           "WHO-CALLS"
+           "WHO-REFERENCES"
+           "WHO-SETS"
+           "WHO-MACROEXPANDS"))
 
 (in-package :sb-introspect)
 
@@ -315,8 +320,11 @@ If an unsupported TYPE is requested, the function will return NIL.
        (when source
          (setf (definition-source-description source)
                (append (method-qualifiers object)
-                       (sb-pcl::unparse-specializers
-                        (sb-mop:method-specializers object)))))
+                       (if (sb-mop:method-generic-function object)
+                           (sb-pcl::unparse-specializers
+                            (sb-mop:method-generic-function object)
+                            (sb-mop:method-specializers object))
+                           (sb-mop:method-specializers object)))))
        source))
     #+sb-eval
     (sb-eval:interpreted-function
@@ -406,8 +414,7 @@ not found"
         #+sb-eval
         ((typep function 'sb-eval:interpreted-function)
          (sb-eval:interpreted-function-lambda-list function))
-        (t (sb-impl::%simple-fun-arglist
-            (sb-impl::%closure-fun function)))))
+        (t (sb-kernel:%simple-fun-arglist (sb-kernel:%fun-fun function)))))
 
 (defun struct-accessor-structure-class (function)
   (let ((self (sb-vm::%simple-fun-self function)))
@@ -490,7 +497,8 @@ list of the symbols :dynamic, :static, or :read-only."
      (lambda (obj header size)
        (when (= sb-vm:code-header-widetag header)
          (funcall fn obj size)))
-     space)))
+     space
+     t)))
 
 (declaim (inline map-caller-code-components))
 (defun map-caller-code-components (function spaces fn)
@@ -509,4 +517,76 @@ constant pool."
                          function))
             (funcall fn obj))))))))
 
+;;; XREF facility
+
+(defun get-simple-fun (functoid)
+  (etypecase functoid
+    (sb-kernel::fdefn
+     (get-simple-fun (sb-vm::fdefn-fun functoid)))
+    ((or null sb-impl::funcallable-instance)
+     nil)
+    (function
+     (sb-kernel::%closure-fun functoid))))
+
+(defun collect-xref (kind-index wanted-name)
+  (let ((ret nil))
+    (dolist (env sb-c::*info-environment* ret)
+      ;; Loop through the infodb ...
+      (sb-c::do-info (env :class class :type type :name info-name
+                          :value value)
+        ;; ... looking for function or macro definitions
+        (when (and (eql class :function)
+                   (or (eql type :macro-function)
+                       (eql type :definition)))
+          ;; Get a simple-fun for the definition, and an xref array
+          ;; from the table if available.
+          (let* ((simple-fun (get-simple-fun value))
+                 (xrefs (when simple-fun
+                          (sb-vm::%simple-fun-xrefs simple-fun)))
+                 (array (when xrefs
+                          (aref xrefs kind-index))))
+            ;; Loop through the name/path xref entries in the table
+            (loop for i from 0 below (length array) by 2
+                  for xref-name = (aref array i)
+                  for xref-path = (aref array (1+ i))
+                  do (when (eql xref-name wanted-name)
+                       (let ((source-location
+                              (find-function-definition-source simple-fun)))
+                         ;; Use the more accurate source path from
+                         ;; the xref entry.
+                         (setf (definition-source-form-path source-location)
+                               xref-path)
+                         (push (cons info-name source-location)
+                               ret))))))))))
+
+(defun who-calls (function-name)
+  "Use the xref facility to search for source locations where the
+global function named FUNCTION-NAME is called. Returns a list of
+function name, definition-source pairs."
+  (collect-xref #.(position :calls sb-c::*xref-kinds*) function-name))
+
+(defun who-binds (symbol)
+  "Use the xref facility to search for source locations where the
+special variable SYMBOL is rebound. Returns a list of function name,
+definition-source pairs."
+  (collect-xref #.(position :binds sb-c::*xref-kinds*) symbol))
+
+(defun who-references (symbol)
+  "Use the xref facility to search for source locations where the
+special variable or constant SYMBOL is read. Returns a list of function
+name, definition-source pairs."
+  (collect-xref #.(position :references sb-c::*xref-kinds*) symbol))
+
+(defun who-sets (symbol)
+  "Use the xref facility to search for source locations where the
+special variable SYMBOL is written to. Returns a list of function name,
+definition-source pairs."
+  (collect-xref #.(position :sets sb-c::*xref-kinds*) symbol))
+
+(defun who-macroexpands (macro-name)
+  "Use the xref facility to search for source locations where the
+macro MACRO-NAME is expanded. Returns a list of function name,
+definition-source pairs."
+  (collect-xref #.(position :macroexpands sb-c::*xref-kinds*) macro-name))
+
 (provide 'sb-introspect)