]> gitweb.factorcode.org Git - factor.git/blobdiff - extra/lint/lint.factor
lint: fix using
[factor.git] / extra / lint / lint.factor
index b370f41cbca70d1b5062d44e158d469629a1b528..b874bc8abbc483480c73f6c7c45adee5cb814bc5 100644 (file)
@@ -1,10 +1,11 @@
-! Copyright (C) 2007, 2008 Doug Coleman.
+! Copyright (C) 2007, 2008, 2011 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: accessors alien arrays assocs classes.tuple.private
-combinators.short-circuit fry hashtables io kernel
-locals.backend make math namespaces prettyprint quotations
-sequences sequences.deep shuffle slots.private vectors vocabs
-words xml.data words.alias ;
+USING: accessors arrays assocs assocs.extras classes
+classes.tuple.private combinators.short-circuit continuations io
+kernel kernel.private locals.backend make math math.private
+namespaces prettyprint quotations sequences sequences.deep
+shuffle slots.private splitting stack-checker vocabs words
+words.alias ;
 IN: lint
 
 <PRIVATE
@@ -16,9 +17,11 @@ CONSTANT: manual-substitutions
         { rot [ [ swap ] dip swap ] }
         { rot [ swapd swap ] }
         { over [ dup swap ] }
-        { tuck [ dup -rot ] }
         { swapd [ [ swap ] dip ] }
+        { 2swap [ -roll -roll ] }
         { 2nip [ nip nip ] }
+        { 3nip [ 2nip nip ] }
+        { 4nip [ 3nip nip ] }
         { 2drop [ drop drop ] }
         { 3drop [ drop drop drop ] }
         { pop* [ pop drop ] }
@@ -28,19 +31,23 @@ CONSTANT: manual-substitutions
 
 CONSTANT: trivial-defs
     {
-        [ drop t ] [ drop f ]
-        [ 2drop t ] [ 2drop f ]
-        [ 3drop t ] [ 3drop f ]
-        [ ">" write ] [ "/>" write ]
-        [ length 1 - ] [ length 1 = ] [ length 1 > ]
-        [ drop f f ] [ 2drop f f ]
-        [ drop f f f ]
-        [ nip f f ]
+        [ ">" write ] [ "/>" write ] [ " " write ]
         [ 0 or + ]
-        [ dup 0 > ] [ dup 0 <= ]
-        [ dup length iota ]
+        [ dup length <iota> ]
         [ 0 swap copy ]
-        [ dup 1 + ]
+        [ dup length ]
+        [ 0 swap ]
+        [ 2dup = ] [ 2dup eq? ]
+        [ = not ] [ eq? not ]
+        [ boa throw ]
+        [ with each ] [ with map ]
+        [ curry filter ]
+        [ compose compose ]
+        [ empty? ] [ empty? not ]
+        [ dup empty? ] [ dup empty? not ]
+        [ 2dup both-fixnums? ]
+        [ [ drop ] prepose ]
+        [ 1 0 ? ]
     }
 
 : lintable-word? ( word -- ? )
@@ -56,7 +63,7 @@ CONSTANT: trivial-defs
 : ignore-def? ( def -- ? )
     {
         ! Remove small defs
-        [ length 2 <= ]
+        [ length 1 <= ]
 
         ! Remove trivial defs
         [ trivial-defs member? ]
@@ -67,12 +74,112 @@ CONSTANT: trivial-defs
         ! Remove words with locals
         [ [ \ load-locals = ] any? ]
 
+        ! Remove stuff with wrappers
+        [ [ wrapper? ] any? ]
+
+        ! Remove trivial math
+        [ [ { [ number? ] [ { + - / * /i /f >integer } member? ] } 1|| ] all? ]
+
+        ! Remove more trival defs
+        [
+            {
+                [ length 2 = ]
+                [ first2 [ word? ] either? ]
+                [ first2 [ { dip dup over swap drop } member? ] either? ]
+            } 1&&
+        ]
+
+        ! Remove [ V{ } clone ] and related
+        [
+            {
+                [ length 2 = ]
+                [ first { [ sequence? ] [ assoc? ] } 1|| ]
+                [ second { clone clone-like like assoc-like make } member? ]
+            } 1&&
+        ]
+
+        ! Remove [ foo get ] and related
+        [
+            {
+                [ length 2 = ]
+                [ first word? ]
+                [ second { get get-global , % } member? ]
+            } 1&&
+        ]
+
+        ! Remove [ first second ] and related
+        [
+            {
+                [ length 2 = ]
+                [ first { first second third } member? ]
+                [ second { first second third } member? ]
+            } 1&&
+        ]
+
+        ! Remove [ [ trivial ] if ] and related
+        [
+            {
+                [ length 2 = ]
+                [ first { [ quotation? ] [ ignore-def? ] } 1&& ]
+                [ second { if if* unless unless* when when* curry } member? ]
+            } 1&&
+        ]
+
+        ! Remove [ n - ] and related
+        [
+            {
+                [ length 2 = ]
+                [ first { [ number? ] [ boolean? ] } 1|| ]
+                [ second { + - / * < <= = >= > shift bitand bitor bitxor eq? } member? ]
+            } 1&&
+        ]
+
+        ! Remove [ dup 0 > ] and related
+        [
+            {
+                [ length 3 = ]
+                [ first { dup over } member? ]
+                [ second number? ]
+                [ third { + - / * < <= = >= > } member? ]
+            } 1&&
+        ]
+
+        ! Remove [ drop f f ] and related
+        [
+            {
+                [ length 4 <= ]
+                [ first { drop 2drop 3drop nip 2nip 3nip 4nip } member? ]
+                [ rest-slice [ boolean? ] all? ]
+            } 1&&
+        ]
+
+        ! Remove [ length 1 = ] and related
+        [
+            {
+                [ length 3 = ]
+                [ first \ length = ]
+                [ second number? ]
+                [ third { + - / * < <= = >= > } member? ]
+            } 1&&
+        ]
+
+        ! Remove [ dup length 1 = ] and related
+        [
+            {
+                [ length 4 = ]
+                [ first { dup over } member? ]
+                [ second \ length = ]
+                [ third number? ]
+                [ fourth { + - / * < <= = >= > } member? ]
+            } 1&&
+        ]
+
         ! Remove numbers/t/f only defs
         [
-            [ { [ number? ] [ t? ] [ f eq? ] } 1|| ] all?
+            [ { [ number? ] [ boolean? ] } 1|| ] all?
         ]
 
-        ! Remove tag defs
+        ! Remove [ tag n eq? ]
         [
             {
                 [ length 3 = ]
@@ -80,6 +187,16 @@ CONSTANT: trivial-defs
             } 1&&
         ]
 
+        ! Remove [ { foo } declare class-of ]
+        [
+            {
+                [ length 3 = ]
+                [ first { [ array? ] [ length 1 = ] } 1&& ]
+                [ second \ declare = ]
+                [ third \ class-of = ]
+            } 1&&
+        ]
+
         ! Remove [ m n shift ]
         [
             {
@@ -100,10 +217,10 @@ CONSTANT: trivial-defs
     } 1|| ;
 
 : all-callables ( def -- seq )
-    [ callable? ] deep-filter ;
+    [ { [ callable? ] [ ignore-def? not ] } 1&& ] deep-filter ;
 
 : (load-definitions) ( word def hash -- )
-    [ all-callables ] dip '[ _ push-at ] with each ;
+    [ all-callables ] dip push-at-each ;
 
 : load-definitions ( words -- hash )
     H{ } clone [ '[ dup def>> _ (load-definitions) ] each ] keep ;
@@ -114,10 +231,9 @@ SYMBOL: lint-definitions-keys
 : reload-definitions ( -- )
     ! Load lintable and non-ignored definitions
     lintable-words load-definitions
-    [ drop ignore-def? not ] assoc-filter
 
     ! Remove words that are their own definition
-    [ [ [ def>> ] [ 1quotation ] bi = not ] filter ] assoc-map
+    [ [ [ def>> ] [ 1quotation ] bi = ] reject ] assoc-map
 
     ! Add manual definitions
     manual-substitutions over '[ _ push-at ] assoc-each
@@ -134,10 +250,10 @@ GENERIC: lint ( obj -- seq )
 M: object lint ( obj -- seq ) drop f ;
 
 M: callable lint ( quot -- seq )
-    [ lint-definitions-keys get-global ] dip '[ _ subseq? ] filter ;
+    lint-definitions-keys get-global [ subseq-index? ] with filter ;
 
 M: word lint ( word -- seq/f )
-    def>> all-callables [ lint ] map concat ;
+    def>> [ callable? ] deep-filter [ lint ] map concat ;
 
 : word-path. ( word -- )
     [ vocabulary>> write ":" write ] [ . ] bi ;
@@ -168,21 +284,41 @@ GENERIC: run-lint ( obj -- obj )
     ] assoc-filter ;
 
 M: sequence run-lint ( seq -- seq )
-    [ dup lint ] { } map>assoc trim-self
-    [ second empty? not ] filter filter-symbols ;
+    [ lint ] zip-with trim-self
+    [ second empty? ] reject filter-symbols ;
 
 M: word run-lint ( word -- seq ) 1array run-lint ;
 
 PRIVATE>
 
+: find-swap/swap ( word -- ? )
+    def>> [ callable? ] deep-filter
+    [
+        {
+            [ [ \ swap = ] count 2 >= ]
+            [
+                { swap } split rest but-last
+                [ [ infer ] [ 2drop ( -- ) ] recover ( x -- x ) = ] any?
+            ]
+        } 1&&
+    ] any? ;
+
+: find-redundant-word-props ( -- seq )
+    all-words [
+        {
+            [ { [ foldable? ] [ flushable? ] } 1|| ]
+            [ inline? ]
+        } 1&&
+    ] filter ;
+
 : lint-all ( -- seq )
     all-words run-lint dup lint. ;
 
 : lint-vocab ( vocab -- seq )
-    words run-lint dup lint. ;
+    vocab-words run-lint dup lint. ;
 
 : lint-vocabs ( prefix -- seq )
-    [ vocabs ] dip [ head? ] curry filter [ lint-vocab ] map ;
+    [ loaded-vocab-names ] dip [ head? ] curry filter [ lint-vocab ] map ;
 
 : lint-word ( word -- seq )
     1array run-lint dup lint. ;