JeffBezanson
3dbaa358f9
making 3rd argument to string.sub optional
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some renaming
removing 1/Instructions table
2009-05-07 02:10:52 +00:00
JeffBezanson
c94774a5df
adding *error-stream* variable
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removing unnecessary byte after :let in bytecode encoding
adding script for easy bootstrapping
2009-05-05 23:51:13 +00:00
JeffBezanson
63edc82ba4
using global variables uniformly for print settings instead of passing
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around one of them
fixing unwind-protect not to duplicate code
2009-05-05 04:01:06 +00:00
JeffBezanson
264df1f90b
improving closure representation
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some performance tweaks
2009-04-28 04:10:18 +00:00
JeffBezanson
14d625bd83
some performance tweaks
2009-04-27 03:21:53 +00:00
JeffBezanson
de19e4f401
adding return special form
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eliminating some unnecessary top-level bindings
adding opcodes add2, sub2, neg
2009-04-26 22:19:32 +00:00
JeffBezanson
0dc4c16276
making procedure? a builtin
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fixing type error trying to apply #t, #f, nil
2009-04-24 20:43:56 +00:00
JeffBezanson
1259c17837
updating interpreter to work better for bootstrapping
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adding program mkboot0, which can be run in the interpreter to compile
source files into a stage-0 boot image.
2009-04-23 00:55:03 +00:00
JeffBezanson
909b91ffcc
fixing printing of invalid UTF-8
2009-04-23 00:22:03 +00:00
JeffBezanson
e4488bb065
some tweaks to the vm
2009-04-22 23:00:13 +00:00
JeffBezanson
27120b0ce4
fixing bug in truncate
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simplifying nconc loop
2009-04-22 15:02:49 +00:00
JeffBezanson
291b5f86e0
fixing nconc on long argument lists
2009-04-22 01:40:10 +00:00
JeffBezanson
2bf87ede4f
fixing !print_pretty on vectors
2009-04-21 21:41:32 +00:00
JeffBezanson
2cceb9e538
fixing function? and disassemble
2009-04-21 15:47:30 +00:00
JeffBezanson
d6f73d0bf0
implementing #vu8 read and print syntax for uint8 vectors
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much more compact string representation of bytecode
2009-04-21 15:35:46 +00:00
JeffBezanson
305c350c56
a couple small fixes
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making bytecode representation more space-efficient
2009-04-21 14:53:18 +00:00
JeffBezanson
25812731cc
eliminating interpreter. the bytecode VM is now fully bootstrapped.
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making the empty vector a singleton
removing syntax environment stuff from core
reimplementing eval using the compiler
fixing a couple bugs in long argument lists
2009-04-21 00:56:05 +00:00
JeffBezanson
5ab7a7c1e1
adding new "translucent" function type for byte-compiled lambdas
2009-04-19 22:22:17 +00:00
JeffBezanson
aa62ae9e96
allowing (copy x) and other byte stream functions only on plain-old-data types
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adding plain-old-data? predicate
adding string.join
2009-04-19 16:48:09 +00:00
JeffBezanson
2ed581e62d
adding top-level-value and set-top-level-value!, using them instead of
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set and eval where appropriate
adding separate integer? and integer-valued? predicates
2009-04-17 14:41:15 +00:00
JeffBezanson
86b7738c89
cleaning up implementation of apply() entry point
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removing use of interpreter in computed calls to builtins
2009-04-17 03:40:52 +00:00
JeffBezanson
94814a2e34
a bug fix and a first pass at let-optimization
2009-04-16 21:20:15 +00:00
JeffBezanson
0a3590aa01
some optimizations
2009-04-16 14:21:16 +00:00
JeffBezanson
ad4a086790
converting for to a special form
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adding loadi8 instruction
cleaning up numeric comparison, reducing repeated code
2009-04-16 03:05:38 +00:00
JeffBezanson
36a209cd5f
making = a builtin
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fixing = and eqv? to work properly on NaNs
fixing other comparison predicates to be consistent
2009-04-15 23:54:43 +00:00
JeffBezanson
81641a2240
fixing glaring bug in last revision
2009-04-15 00:30:24 +00:00
JeffBezanson
672558d30f
bytecode vm is now working, off by default
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various bug fixes
language changes:
• constant symbols no longer shadow everything
• eval* removed
• vararg lists always allocated on entry, dotted argument
lists not preserved
new applyn() entry point
2009-04-15 00:12:01 +00:00
JeffBezanson
b9a1be78a0
implementing op_closure, fix to loadc/setc
2009-04-09 16:09:02 +00:00
JeffBezanson
debf3fd517
moving (length) out of core
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changing another recursive call to goto
adding special cases in compiler for 0 and 1 argument versions of some
vararg builtins
beginning implementation of bytecode interpreter
2009-04-09 04:04:27 +00:00
JeffBezanson
ea5d334626
some cleanup, removing some unnecessary global bindings
2009-04-08 18:17:02 +00:00
JeffBezanson
43cb51f640
replacing a recursive call with a goto; saves lots of stack space.
2009-04-07 15:55:13 +00:00
JeffBezanson
e119a66bcd
moving lognot out of core
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fixing type check in ash
2009-04-02 03:53:38 +00:00
JeffBezanson
8e78e4cdbb
making some utf8 routines more robust against invalid data
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implementing tail position in compiler
adding arg count checking for instructionized builtins
2009-04-02 02:22:38 +00:00
JeffBezanson
28c39e8cf0
fixing definition of let*
2009-04-01 22:23:19 +00:00
JeffBezanson
43e8d1fbf0
adding the ability to heap-allocate extentions to the value stack,
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so recursion depth is limited only by the process stack limit.
reorganizing evaluator so the same code is used for evaluating
and pushing arguments for both builtin functions and lambdas.
for now this is slower, but it was done in preparation for
Things To Come.
adding list-head
implementing the calling convention for long argument lists in
bytecode compiler. arguments are broken down into a nest of
list and nconc calls.
also implementing vararg builtins.
2009-04-01 04:31:49 +00:00
JeffBezanson
2ddbac400a
fixing bug in hash table. growth schedule made it possible for
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maxprobe to decrease, causing growth during rehashing, which leaks
the table.
2009-03-28 23:46:02 +00:00
JeffBezanson
e3158b8640
adding nestlist, to-proper, string.rep, pad-l, pad-r, trace, untrace,
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table.invert, table.foreach
reorganizing system.lsp so functions are grouped sensibly
scheme implementation of a simple bytecode compiler
2009-03-28 21:39:04 +00:00
JeffBezanson
c076be667b
fixing bug in macroexpand on lambdas
2009-03-27 03:47:11 +00:00
JeffBezanson
4cb9685266
adding support for arbitrarily-long argument lists
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argument lists are heap-allocated after a certain cutoff (currently 127)
2009-03-27 03:06:55 +00:00
JeffBezanson
fe72c101e2
avoiding sprintf for error messages where possible
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moving raise, logand, logior, logxor, and ash out of core
changing prog1 to a special form
2009-03-25 02:28:21 +00:00
JeffBezanson
b63a23eb1a
char read/print improvement
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adding char.upcase and char.downcase
2009-03-24 21:27:38 +00:00
JeffBezanson
a9b0f7879b
removing some unnecessary stuff
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improving key-error
2009-03-23 20:44:19 +00:00
JeffBezanson
8f93c9dfc6
adding string->number
2009-03-23 19:49:08 +00:00
JeffBezanson
9023705d27
adding some error messages
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adding io.seek, io.copyuntil
adding #\uHHHH hex character literal read syntax
2009-03-22 02:05:26 +00:00
JeffBezanson
7059a471a1
initial implementation of let-syntax
2009-03-17 21:53:55 +00:00
JeffBezanson
5edb75af2c
making nconc, assq, and memq builtins
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some small optimizations to string.map, string.trim,
string.inc, string.dec, aref
2009-03-17 03:29:17 +00:00
JeffBezanson
5681745bc3
adding apply1, using it in trycatch (avoids consing)
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allowing left bit shift to overflow to larger types
fixing bug in number->string on uint64
fixing bug in rand.uint64
2009-03-13 22:26:44 +00:00
JeffBezanson
dceced2bb0
fix bug in (case)
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reducing use of strlen
2009-03-13 14:54:48 +00:00
JeffBezanson
0643a4f3a2
fixing bug in datum comment #;
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improving some library functions
2009-03-13 03:30:10 +00:00
JeffBezanson
bfa30fb095
allowing logand, logior, logxor to accept any number of arguments
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adding negative?, positive?, zero?, even?, odd?, for-each
adding *linefeed*, terpri
2009-03-12 02:47:34 +00:00