bfbbf051c9
doing a better job hashing circular structure. the hash function is now
...
always fast and gives conservative correct answers, at the expense of
fidelity on medium and large size structures. for example (hash (iota 15))
gives the same result as (hash (iota 14)).
2009-05-20 03:39:20 +00:00
c2026ba77c
adding gc handles, making evaluator stack static
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this provides a better interface and could only help performance
starting to add some useful library code
2009-05-19 02:54:56 +00:00
c38c47d264
adding R6RS div, mod, div0, mod0
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small improvement to cmp_eq
explicit -fomit-frame-pointer was causing test failures with gcc4.3.2
2009-05-14 17:54:59 +00:00
e365cb1d33
adding divide by 0 check in div
2009-05-14 02:53:04 +00:00
ae2a4dd156
adding integer division function div
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changing / to do real division always
fixing equal? to distinguish -0.0 and 0.0
making equal? and eqv? false on numbers of different exactness
2009-05-14 01:30:25 +00:00
6c549f0399
fixing hash of circular structure to avoid tree recursion (very important!!)
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simplifying vector_grow
2009-05-13 04:03:13 +00:00
77e37368c9
fixing trace and untrace
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replacing function->vector with function:code, function:vals, and
function:env
2009-05-13 01:13:40 +00:00
a7a31cf53a
fixing vararg apply to work properly
2009-05-11 23:55:40 +00:00
afa77a8c5f
adding array?
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adding vararg apply
2009-05-08 04:08:31 +00:00
af72c4f5bd
putting the saved environment in the order that matches the current
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boot file
2009-05-08 03:00:40 +00:00
2c212fbcf7
adding random function
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fixing bug in integer?
sorting environment in make-system-image for more stable diffs
2009-05-08 02:52:25 +00:00
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
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
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
264df1f90b
improving closure representation
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some performance tweaks
2009-04-28 04:10:18 +00:00
14d625bd83
some performance tweaks
2009-04-27 03:21:53 +00:00
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
0dc4c16276
making procedure? a builtin
...
fixing type error trying to apply #t, #f, nil
2009-04-24 20:43:56 +00:00
1259c17837
updating interpreter to work better for bootstrapping
...
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
909b91ffcc
fixing printing of invalid UTF-8
2009-04-23 00:22:03 +00:00
e4488bb065
some tweaks to the vm
2009-04-22 23:00:13 +00:00
27120b0ce4
fixing bug in truncate
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simplifying nconc loop
2009-04-22 15:02:49 +00:00
291b5f86e0
fixing nconc on long argument lists
2009-04-22 01:40:10 +00:00
2bf87ede4f
fixing !print_pretty on vectors
2009-04-21 21:41:32 +00:00
2cceb9e538
fixing function? and disassemble
2009-04-21 15:47:30 +00:00
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
305c350c56
a couple small fixes
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making bytecode representation more space-efficient
2009-04-21 14:53:18 +00:00
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
5ab7a7c1e1
adding new "translucent" function type for byte-compiled lambdas
2009-04-19 22:22:17 +00:00
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
2ed581e62d
adding top-level-value and set-top-level-value!, using them instead of
...
set and eval where appropriate
adding separate integer? and integer-valued? predicates
2009-04-17 14:41:15 +00:00
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
94814a2e34
a bug fix and a first pass at let-optimization
2009-04-16 21:20:15 +00:00
0a3590aa01
some optimizations
2009-04-16 14:21:16 +00:00
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
36a209cd5f
making = a builtin
...
fixing = and eqv? to work properly on NaNs
fixing other comparison predicates to be consistent
2009-04-15 23:54:43 +00:00
81641a2240
fixing glaring bug in last revision
2009-04-15 00:30:24 +00:00
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
b9a1be78a0
implementing op_closure, fix to loadc/setc
2009-04-09 16:09:02 +00:00
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
ea5d334626
some cleanup, removing some unnecessary global bindings
2009-04-08 18:17:02 +00:00
43cb51f640
replacing a recursive call with a goto; saves lots of stack space.
2009-04-07 15:55:13 +00:00
e119a66bcd
moving lognot out of core
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fixing type check in ash
2009-04-02 03:53:38 +00:00
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
28c39e8cf0
fixing definition of let*
2009-04-01 22:23:19 +00:00
43e8d1fbf0
adding the ability to heap-allocate extentions to the value stack,
...
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
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
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
c076be667b
fixing bug in macroexpand on lambdas
2009-03-27 03:47:11 +00:00
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
fe72c101e2
avoiding sprintf for error messages where possible
...
moving raise, logand, logior, logxor, and ash out of core
changing prog1 to a special form
2009-03-25 02:28:21 +00:00
b63a23eb1a
char read/print improvement
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adding char.upcase and char.downcase
2009-03-24 21:27:38 +00:00
a9b0f7879b
removing some unnecessary stuff
...
improving key-error
2009-03-23 20:44:19 +00:00
8f93c9dfc6
adding string->number
2009-03-23 19:49:08 +00:00
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
7059a471a1
initial implementation of let-syntax
2009-03-17 21:53:55 +00:00
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
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
dceced2bb0
fix bug in (case)
...
reducing use of strlen
2009-03-13 14:54:48 +00:00
0643a4f3a2
fixing bug in datum comment #;
...
improving some library functions
2009-03-13 03:30:10 +00:00
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
d81e6c2d57
adding ash function
...
making more functions static
removing list_nth, using vectors for enums instead
making more operators return fixnums where possible
2009-03-11 19:16:40 +00:00
05ef9f42a5
simplifying (string) to just princ-to-string
...
small printing improvements
2009-03-11 14:52:37 +00:00
e2b7652e36
some printing improvements
2009-03-10 19:29:30 +00:00
fdfaacfbe5
adding io.putc, io.tostring!, string.map, print-to-string
...
fixing bug in ios, not initializing readonly flag
updating string and sizeof to use new strstream functions
removing some redundant numeric type init functions
2009-03-05 03:48:17 +00:00
40cff81550
more reorganization of LLT
...
adding io.readuntil, io.readline
improvements to ios_readprep
2009-03-03 03:16:30 +00:00
2cf5187ca9
adding dump, memstream, io.read, and io.write
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more renaming
allowing iostreams to be read-only
fixing bug allowing arrays with 0-size elements
2009-03-02 04:26:16 +00:00
923c7d5495
fixing bug reading negative constants with #b,o,d,x
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adding string.trim
2009-02-28 01:59:01 +00:00
c1610f0a9f
changing load to expand each expression before evaluating
...
improve performance by reloading system.lsp with this loader
other misc. changes
2009-02-26 18:15:38 +00:00
7883a5de0b
fixing ambiguity in reading hex numbers and floating point
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making print robust against the undefined value
2009-02-24 18:31:05 +00:00
115b2843fb
adding copy and string.count
2009-02-24 04:12:33 +00:00
6c56120669
better solution for allowing an input stream to be relocated while
...
reading from it
improving prettyprinting of lists of short strings
2009-02-24 02:21:16 +00:00
76edead57b
adding (do ) form
2009-02-20 19:50:35 +00:00
3aad0bd6be
fixing some bugs in lerror and read
...
making memory errors non-consing (duh)
cleaning up main() a bit
adding case macro, moving other stuff around a bit
2009-02-20 05:11:05 +00:00
f1927a3b57
moving delete-duplicates and new f-body so they can be macroexpanded in advance
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deprecating setf, labels, and try (weren't used anywhere)
adding string.tail
changing match to use delete-duplicates
2009-02-19 22:29:47 +00:00
0c0471e856
moving implementation of startup, repl, load, and top-level
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exception handler into system.lsp
adding several iostream functions
adding support for internal define
2009-02-19 03:31:40 +00:00
79e12b2dcb
adding io.print and io.princ
...
misc. touch-ups
2009-02-09 05:38:40 +00:00
1097597437
file stream creation and io.read
2009-02-09 03:22:31 +00:00
2a083db293
adding named let
2009-02-06 03:41:24 +00:00
2c1bb59486
adding integer? and number->string
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a bit more renaming
2009-02-01 05:41:43 +00:00
17d81eb4e6
adding #b, #o, #d, #x numeric literals
...
accepting r6rs IEEE literals +-nan.0 and +-inf.0
printing distinguished -0.0, indicating float with .0f instead
of #float, double with .0 instead of #double
more renaming (? on predicates, ! on mutating operators)
changing T to #t :( all those #s are so ugly
2009-02-01 01:53:58 +00:00
a55b46e9a6
switching to scheme #t, #f, and () values
...
porting code to sort out which NILs are false and which are
empty lists
switching to scheme-style special forms. however you feel about
scheme names vs. CL names, using both is silly.
mostly switching to scheme predicate names, with compatibility
aliases for now. adding set-constant! to make this efficient.
adding null?, eqv?, assq, assv, assoc, memq, memv, member
adding 2-argument form of if
allowing else as final cond condition
looking for init file in same directory as executable, so flisp
can be started from anywhere
renaming T to FL_T, since exporting a 1-character symbol is
not very nice
adding opaque type boilerplate example file
adding correctness checking for the pattern-lambda benchmark
bugfix in int2str
2009-01-29 01:04:23 +00:00
38cf75733e
adding #; datum comment
...
allowing #||# comments to nest
2009-01-26 02:03:37 +00:00
808d92dfb6
some micro-optimizations
2009-01-16 14:12:35 +00:00
8197197ced
misc. cleanup
...
adding without-delimited-continuations
adding skeleton for stream objects
2009-01-05 02:45:21 +00:00
209b77a534
simplified and improved some of the prettyprinting logic
...
• eliminated bad behavior near screen edge, added wrapping
• added behavior: indent after some number of non-indented elements
• indent after head symbols with really long names
• don't indent after first argument to setq
improvements to cps converter
• correctly dispatch to non-cps functions
• handle vararg lambdas in head position
2009-01-03 05:30:22 +00:00
d8132ad204
adding CPRIM type, smaller representation for primitives
...
bug fixes in opaque type handling
2009-01-02 23:00:21 +00:00
88938bc6d1
fixes and improvements to cps converter
2009-01-02 22:58:14 +00:00
9716ee3452
making list a builtin
...
increasing default heapsize, giving better performance
adding hexdump and int2str functions to llt
2008-12-31 04:45:08 +00:00
6ed023e966
adding some ast functions
2008-12-29 21:53:21 +00:00
5bff23e790
improvements and bug fixes to CPS converter
2008-12-29 00:00:45 +00:00
dc50df083c
adding branch probability annotations
...
wrote a CPS transformer that can be used to provide coroutines
misc. cleanup
2008-12-28 08:01:18 +00:00
b99d8715ce
generic aref/aset for all arrays
...
(string v) now works on any value, by printing to a string
some bug fixes in ios
2008-12-27 06:02:53 +00:00
7e04bb948c
fixing several bugs in string.find
...
so hard to get anything right the first time!
2008-12-24 05:02:58 +00:00
830e1c986c
renaming 'char' type to 'byte' to avoid confusion
...
wchar will be used for all individual characters
adding string.find function
fixing bug in #sym(...) if sym was undefined
2008-12-24 04:43:36 +00:00
8e4ba69a7b
more efficient representation for small tables
...
adding tablep and table.clone
fixing bug with filename string in load
2008-12-22 06:36:50 +00:00
dfacb4d897
making all builtins print readably; (builtin 'sym) function
...
hash table functions:
adding get,put,has,del,table.foldl,table.pairs,table.keys,table.values
2008-12-21 05:55:00 +00:00
b5dda68eab
adding support for finalization of values
...
enabling type-specific print and relocate behavior
allowing GC to be triggered by large buffer allocations
adding hash table constructor and print function
renamed some functions
2008-12-20 06:16:00 +00:00
ee9f565d89
fixing bug in for where lambda body was self-evaluating
2008-12-12 21:06:20 +00:00
6962211e76
changing representation of cvalue types so each type is
...
explicitly represented in an fltype_t struct, and symbolic
types are hash-consed. a lot of code is smaller and simpler
as a result. this should allow more features in less space
(both code and data) going forward.
changing \DDD and \x escape sequences to read bytes instead of
characters
re-fixing uint64 cast bug
adding Paul Hsieh's hash function, to be evaluated later
2008-12-11 04:04:17 +00:00
JeffBezanson