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Slava Pestov 2005-04-07 01:41:49 +00:00
parent cc5246686f
commit 233fbb2b62
14 changed files with 125 additions and 179 deletions

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@ -1,5 +1,5 @@
CC = gcc
DEFAULT_CFLAGS = -Wall -Os -fomit-frame-pointer $(SITE_CFLAGS)
DEFAULT_CFLAGS = -Wall -g $(SITE_CFLAGS)
DEFAULT_LIBS = -lm
STRIP = strip

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@ -1,16 +1,8 @@
! Contractor timesheet example
IN: timesheet
USE: errors
USE: kernel
USE: lists
USE: math
USE: namespaces
USE: parser
USE: stdio
USE: strings
USE: unparser
USE: vectors
USING: errors kernel lists math namespaces sequences stdio
strings unparser vectors ;
! Adding a new entry to the time sheet.
@ -26,7 +18,7 @@ USE: vectors
read ;
: add-entry ( timesheet -- )
add-entry-prompt cons swap vector-push ;
add-entry-prompt cons swap push ;
! Printing the timesheet.
@ -34,6 +26,9 @@ USE: vectors
: mm ( duration -- str ) 60 mod unparse 2 "0" pad ;
: hh:mm ( millis -- str ) [ dup hh , ":" , mm , ] make-string ;
: pad-string ( len str -- str )
length - " " fill ;
: print-entry ( duration description -- )
dup write
60 swap pad-string write
@ -41,7 +36,7 @@ USE: vectors
: print-timesheet ( timesheet -- )
"TIMESHEET:" print
[ uncons print-entry ] vector-each ;
[ uncons print-entry ] seq-each ;
! Displaying a menu

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@ -25,3 +25,8 @@ BUILTIN: array 8 [ 1 length f ] ;
M: array nth array-nth ;
M: array set-nth set-array-nth ;
: dispatch ( n vtable -- )
#! This word is unsafe since n is not bounds-checked. Do not
#! call it directly.
2 slot array-nth call ;

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@ -30,6 +30,7 @@ hashtables ;
"/library/vectors.factor"
"/library/strings.factor"
"/library/sequences-epilogue.factor"
"/library/vectors-epilogue.factor"
"/library/hashtables.factor"
"/library/namespaces.factor"
"/library/words.factor"

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@ -25,9 +25,9 @@ SYMBOL: image
! Boot quotation, set by boot.factor
SYMBOL: boot-quot
: emit ( cell -- ) image get vector-push ;
: emit ( cell -- ) image get push ;
: fixup ( value offset -- ) image get set-vector-nth ;
: fixup ( value offset -- ) image get set-nth ;
( Object memory )

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@ -2,13 +2,13 @@
! See http://factor.sf.net/license.txt for BSD license.
IN: compiler
USING: assembler errors generic kernel lists math namespaces
prettyprint strings vectors words ;
prettyprint sequences strings vectors words ;
! To support saving compiled code to disk, generator words
! append relocation instructions to this vector.
SYMBOL: relocation-table
: rel, ( n -- ) relocation-table get vector-push ;
: rel, ( n -- ) relocation-table get push ;
: relocating compiled-offset cell - rel, ;

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@ -1,6 +1,6 @@
! Copyright (C) 2003, 2005 Slava Pestov.
! See http://factor.sf.net/license.txt for BSD license.
IN: kernel USING: errors lists namespaces vectors ;
IN: kernel USING: errors lists namespaces sequences ;
: reify ( quot -- )
>r datastack >pop> callstack >pop> namestack catchstack

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@ -39,3 +39,27 @@ M: sequence = ( obj seq -- ? )
2drop f
] ifte
] ifte ;
: push ( element sequence -- )
#! Push a value on the end of a sequence.
dup length swap set-nth ;
: seq-append ( s1 s2 -- )
#! Destructively append s2 to s1.
[ over push ] seq-each drop ;
: peek ( sequence -- element )
#! Get value at end of sequence.
dup length 1 - swap nth ;
: pop ( sequence -- element )
#! Get value at end of sequence and remove it.
dup peek >r dup length 1 - swap set-length r> ;
: >pop> ( stack -- stack ) dup pop drop ;
IN: kernel
: depth ( -- n )
#! Push the number of elements on the datastack.
datastack length ;

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@ -2,7 +2,7 @@ IN: temporary
! Various things that broke CFactor at various times.
USING: errors kernel lists math memory namespaces parser
prettyprint strings test vectors words ;
prettyprint sequences strings test vectors words ;
"20 <sbuf> \"foo\" set" eval
"garbage-collection" eval
@ -13,7 +13,6 @@ prettyprint strings test vectors words ;
] keep-datastack
10 <vector> "x" set
[ -2 "x" get set-vector-length ] [ drop ] catch
[ "x" get clone drop ] [ drop ] catch
10 [ [ -1000000 <vector> ] [ drop ] catch ] times
@ -47,7 +46,7 @@ prettyprint strings test vectors words ;
! Forgot to tag out of bounds index
[ 1 { } vector-nth ] [ garbage-collection drop ] catch
[ -1 { } set-vector-length ] [ garbage-collection drop ] catch
[ -1 { } set-length ] [ garbage-collection drop ] catch
[ 1 "" string-nth ] [ garbage-collection drop ] catch
! ... and again

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@ -30,7 +30,7 @@ namespaces parser sequences test vectors ;
[ [ call ] infer old-effect ] unit-test-fails
[ [[ 2 4 ]] ] [ [ 2dup ] infer old-effect ] unit-test
[ [[ 2 0 ]] ] [ [ vector-push ] infer old-effect ] unit-test
[ [[ 2 0 ]] ] [ [ push ] infer old-effect ] unit-test
[ [[ 1 0 ]] ] [ [ [ ] [ ] ifte ] infer old-effect ] unit-test
[ [ ifte ] infer old-effect ] unit-test-fails
@ -148,7 +148,7 @@ SYMBOL: sym-test
[ [[ 0 1 ]] ] [ [ sym-test ] infer old-effect ] unit-test
[ [[ 2 0 ]] ] [ [ set-vector-length ] infer old-effect ] unit-test
[ [[ 2 0 ]] ] [ [ set-length ] infer old-effect ] unit-test
[ [[ 2 1 ]] ] [ [ 2list ] infer old-effect ] unit-test
[ [[ 3 1 ]] ] [ [ 3list ] infer old-effect ] unit-test
[ [[ 2 1 ]] ] [ [ append ] infer old-effect ] unit-test

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@ -1,27 +1,20 @@
USING: sequences ;
USE: lists
USE: kernel
USE: math
USE: random
USE: test
USE: vectors
USE: strings
USE: namespaces
USE: kernel-internals
IN: temporary
USING: kernel kernel-internals math namespaces random sequences
strings test vectors ;
[ [ t f t ] vector-length ] unit-test-fails
[ 3 ] [ { t f t } vector-length ] unit-test
[ 3 ] [ [ t f t ] length ] unit-test
[ 3 ] [ { t f t } length ] unit-test
[ -3 { } vector-nth ] unit-test-fails
[ 3 { } vector-nth ] unit-test-fails
[ 3 #{ 1 2 }# vector-nth ] unit-test-fails
[ -3 { } nth ] unit-test-fails
[ 3 { } nth ] unit-test-fails
[ 3 #{ 1 2 }# nth ] unit-test-fails
[ "hey" [ 1 2 ] set-vector-length ] unit-test-fails
[ "hey" { 1 2 } set-vector-length ] unit-test-fails
[ "hey" [ 1 2 ] set-length ] unit-test-fails
[ "hey" { 1 2 } set-length ] unit-test-fails
[ 3 ] [ 3 0 <vector> [ set-vector-length ] keep vector-length ] unit-test
[ 3 ] [ 3 0 <vector> [ set-length ] keep length ] unit-test
[ "yo" ] [
"yo" 4 1 <vector> [ set-vector-nth ] keep 4 swap vector-nth
"yo" 4 1 <vector> [ set-nth ] keep 4 swap nth
] unit-test
[ 5 list>vector ] unit-test-fails
@ -65,15 +58,15 @@ unit-test
0 <vector> "funny-stack" set
[ ] [ { 1 5 } "funny-stack" get vector-push ] unit-test
[ ] [ { 2 3 } "funny-stack" get vector-push ] unit-test
[ { 2 3 } ] [ "funny-stack" get vector-pop ] unit-test
[ { 1 5 } ] [ "funny-stack" get vector-peek ] unit-test
[ { 1 5 } ] [ "funny-stack" get vector-pop ] unit-test
[ "funny-stack" get vector-pop ] unit-test-fails
[ "funny-stack" get vector-pop ] unit-test-fails
[ ] [ "funky" "funny-stack" get vector-push ] unit-test
[ "funky" ] [ "funny-stack" get vector-pop ] unit-test
[ ] [ { 1 5 } "funny-stack" get push ] unit-test
[ ] [ { 2 3 } "funny-stack" get push ] unit-test
[ { 2 3 } ] [ "funny-stack" get pop ] unit-test
[ { 1 5 } ] [ "funny-stack" get peek ] unit-test
[ { 1 5 } ] [ "funny-stack" get pop ] unit-test
[ "funny-stack" get pop ] unit-test-fails
[ "funny-stack" get pop ] unit-test-fails
[ ] [ "funky" "funny-stack" get push ] unit-test
[ "funky" ] [ "funny-stack" get pop ] unit-test
[ t ] [
{ 1 2 3 4 } dup vector-array length

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@ -6,7 +6,7 @@ IN: words
! or single-stepping. Note that currently, words referring to
! annotated words cannot be compiled; and annotating a word has
! no effect of compiled calls to that word.
USING: interpreter kernel lists stdio strings test ;
USING: interpreter kernel lists prettyprint stdio strings test ;
: annotate ( word quot -- ) #! Quotation: ( word def -- def )
over >r >r dup word-def r> call r> swap (define-compound) ;
@ -24,6 +24,10 @@ USING: interpreter kernel lists stdio strings test ;
#! Cause the word to start the code walker when executed.
[ nip [ walk ] cons ] annotate ;
: dump ( word -- )
#! Cause the word to print the stack when executed.
[ nip [ .s ] swap append ] annotate ;
: timer ( word -- )
#! Print the time taken to execute the word when it's called.
[ nip [ time ] cons ] annotate ;

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@ -1,21 +1,21 @@
! Copyright (C) 2004, 2005 Slava Pestov.
! See http://factor.sf.net/license.txt for BSD license.
IN: interpreter
USING: errors kernel lists math namespaces prettyprint stdio
strings vectors words ;
USING: errors kernel lists math namespaces prettyprint sequences
stdio strings vectors words ;
! A Factor interpreter written in Factor. Used by compiler for
! partial evaluation, also by the walker.
! Meta-stacks
SYMBOL: meta-r
: push-r meta-r get vector-push ;
: pop-r meta-r get vector-pop ;
: push-r meta-r get push ;
: pop-r meta-r get pop ;
SYMBOL: meta-d
: push-d meta-d get vector-push ;
: pop-d meta-d get vector-pop ;
: peek-d meta-d get vector-peek ;
: peek-next-d meta-d get [ vector-length 2 - ] keep vector-nth ;
: push-d meta-d get push ;
: pop-d meta-d get pop ;
: peek-d meta-d get peek ;
: peek-next-d meta-d get [ length 2 - ] keep nth ;
SYMBOL: meta-n
SYMBOL: meta-c
@ -51,7 +51,7 @@ SYMBOL: meta-executing
#! swap in the old stacks. This is so messy.
push-d datastack push-d
meta-d get set-datastack
>r execute datastack r> tuck vector-push
>r execute datastack r> tuck push
set-datastack meta-d set ;
: meta-call ( quot -- )

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@ -1,32 +1,36 @@
! Copyright (C) 2004, 2005 Slava Pestov.
! See http://factor.sf.net/license.txt for BSD license.
IN: kernel-internals
DEFER: (set-vector-length)
DEFER: vector-array
DEFER: set-vector-array
IN: sequences
DEFER: seq-each
IN: vectors
USING: errors generic kernel kernel-internals lists math
math-internals sequences ;
BUILTIN: vector 11
[ 1 "vector-length" (set-vector-length) ]
[ 2 vector-array set-vector-array ] ;
IN: kernel-internals
DEFER: set-vector-length
DEFER: vector-array
DEFER: set-vector-array
: assert-positive ( fx -- )
0 fixnum<
[ "Vector index must be positive" throw ] when ; inline
: assert-bounds ( fx vec -- )
: assert-bounds ( fx seq -- )
over assert-positive
vector-length fixnum>=
length fixnum>=
[ "Vector index out of bounds" throw ] when ; inline
IN: vectors
BUILTIN: vector 11
[ 1 length set-vector-length ]
[ 2 vector-array set-vector-array ] ;
: empty-vector ( len -- vec )
#! Creates a vector with 'len' elements set to f. Unlike
#! <vector>, which gives an empty vector with a certain
#! capacity.
dup <vector> [ set-length ] keep ;
IN: kernel-internals
: grow-capacity ( len vec -- )
#! If the vector cannot accomodate len elements, resize it
#! to exactly len.
@ -36,107 +40,16 @@ IN: kernel-internals
#! If n is beyond the vector's length, increase the length,
#! growing the array if necessary, with an optimistic
#! doubling of its size.
2dup vector-length fixnum>= [
2dup length fixnum>= [
>r 1 fixnum+ r>
2dup vector-array length fixnum> [
over 2 fixnum* over grow-capacity
] when
(set-vector-length)
set-vector-length
] [
2drop
] ifte ;
: copy-array ( to from n -- )
[ 3dup swap array-nth pick rot set-array-nth ] repeat 2drop ;
IN: vectors
: vector-nth ( n vec -- obj )
>r >fixnum r> 2dup assert-bounds vector-array array-nth ;
: set-vector-nth ( obj n vec -- )
>r >fixnum dup assert-positive r>
2dup ensure-capacity vector-array
set-array-nth ;
: set-vector-length ( len vec -- )
>r >fixnum dup assert-positive r>
2dup grow-capacity (set-vector-length) ;
M: vector length vector-length ;
M: vector set-length set-vector-length ;
M: vector nth vector-nth ;
M: vector set-nth set-vector-nth ;
: empty-vector ( len -- vec )
#! Creates a vector with 'len' elements set to f. Unlike
#! <vector>, which gives an empty vector with a certain
#! capacity.
dup <vector> dup >r set-vector-length r> ;
: vector-push ( obj vector -- )
#! Push a value on the end of a vector.
dup vector-length swap set-vector-nth ;
: vector-peek ( vector -- obj )
#! Get value at end of vector.
dup vector-length 1 - swap vector-nth ;
: vector-pop ( vector -- obj )
#! Get value at end of vector and remove it.
dup vector-length 1 - ( vector top )
2dup swap vector-nth >r swap set-vector-length r> ;
: >pop> ( stack -- stack )
dup vector-pop drop ;
: vector-each ( vector quotation -- )
#! Execute the quotation with each element of the vector
#! pushed onto the stack.
>r >list r> each ; inline
: list>vector ( list -- vector )
dup length <vector> swap [ over vector-push ] each ;
: vector-map ( vector code -- vector )
#! Applies code to each element of the vector, return a new
#! vector with the results. The code must have stack effect
#! ( obj -- obj ).
>r >list r> map list>vector ; inline
: vector-nappend ( v1 v2 -- )
#! Destructively append v2 to v1.
[ over vector-push ] seq-each drop ;
: vector-append ( v1 v2 -- vec )
over vector-length over vector-length + <vector>
[ rot vector-nappend ] keep
[ swap vector-nappend ] keep ;
: vector-project ( n quot -- vector )
#! Execute the quotation n times, passing the loop counter
#! the quotation as it ranges from 0..n-1. Collect results
#! in a new vector.
project list>vector ; inline
M: vector clone ( vector -- vector )
dup vector-length dup empty-vector [
vector-array rot vector-array rot copy-array
] keep ;
: vector-tail ( n vector -- list )
#! Return a new list with all elements from the nth
#! index upwards.
2dup vector-length swap - [
pick + over vector-nth
] project 2nip ;
: vector-tail* ( n vector -- list )
#! Unlike vector-tail, n is an index from the end of the
#! vector. For example, if n=1, this returns a vector of
#! one element.
[ vector-length swap - ] keep vector-tail ;
M: vector hashcode ( vec -- n )
dup length 0 number= [
drop 0
@ -144,16 +57,28 @@ M: vector hashcode ( vec -- n )
0 swap nth hashcode
] ifte ;
! Find a better place for this
IN: kernel
M: vector set-length ( len vec -- )
>r >fixnum dup assert-positive r>
2dup grow-capacity set-vector-length ;
: depth ( -- n )
#! Push the number of elements on the datastack.
datastack vector-length ;
M: vector nth ( n vec -- obj )
>r >fixnum r> 2dup assert-bounds vector-array array-nth ;
IN: kernel-internals
M: vector set-nth ( obj n vec -- )
>r >fixnum dup assert-positive r>
2dup ensure-capacity vector-array
set-array-nth ;
: dispatch ( n vtable -- )
#! This word is unsafe since n is not bounds-checked. Do not
#! call it directly.
2 slot array-nth call ;
: copy-array ( to from n -- )
[ 3dup swap array-nth pick rot set-array-nth ] repeat 2drop ;
M: vector clone ( vector -- vector )
dup length dup empty-vector [
vector-array rot vector-array rot copy-array
] keep ;
IN: vectors
: vector-length ( deprecated ) length ;
: vector-nth ( deprecated ) nth ;
: set-vector-nth ( deprecated ) set-nth ;