2021-03-05 07:08:44 +00:00
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# env is an alist of ((sym . val) (sym . val) ...)
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2021-03-07 07:27:14 +00:00
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# we never modify `in` or `env`
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2021-04-11 03:44:26 +00:00
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# ignore 'screen-cell' on a first reading; it's a hack for sandboxes
|
2021-04-11 04:20:35 +00:00
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fn evaluate _in: (addr handle cell), out: (addr handle cell), env-h: (handle cell), globals: (addr global-table), trace: (addr trace), screen-cell: (addr handle cell), keyboard-cell: (addr handle cell) {
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2021-03-07 18:55:09 +00:00
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var in/esi: (addr handle cell) <- copy _in
|
2021-04-06 16:40:13 +00:00
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#? dump-cell in
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#? {
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#? var foo/eax: byte <- read-key 0/keyboard
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#? compare foo, 0
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#? loop-if-=
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#? }
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2021-03-07 18:55:09 +00:00
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# trace "evaluate " in " in environment " env {{{
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{
|
2021-04-10 05:51:24 +00:00
|
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var stream-storage: (stream byte 0x100)
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2021-03-07 18:55:09 +00:00
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|
var stream/ecx: (addr stream byte) <- address stream-storage
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write stream, "evaluate "
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print-cell in, stream, 0/no-trace
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write stream, " in environment "
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var env-ah/eax: (addr handle cell) <- address env-h
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print-cell env-ah, stream, 0/no-trace
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trace trace, "eval", stream
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}
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# }}}
|
2021-03-05 05:24:48 +00:00
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trace-lower trace
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var in-addr/eax: (addr cell) <- lookup *in
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{
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2021-03-08 03:46:21 +00:00
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var nil?/eax: boolean <- nil? in-addr
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compare nil?, 0/false
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2021-03-05 05:24:48 +00:00
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break-if-=
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# nil is a literal
|
2021-03-07 07:03:23 +00:00
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trace-text trace, "eval", "nil"
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2021-03-05 05:24:48 +00:00
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|
copy-object _in, out
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trace-higher trace
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|
return
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}
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|
var in-type/ecx: (addr int) <- get in-addr, type
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compare *in-type, 1/number
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{
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break-if-!=
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# numbers are literals
|
2021-03-07 07:03:23 +00:00
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trace-text trace, "eval", "number"
|
2021-03-05 05:24:48 +00:00
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|
copy-object _in, out
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|
trace-higher trace
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|
return
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|
|
}
|
2021-03-05 07:08:44 +00:00
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|
compare *in-type, 2/symbol
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|
{
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|
break-if-!=
|
2021-03-07 07:03:23 +00:00
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|
|
trace-text trace, "eval", "symbol"
|
2021-04-11 04:20:35 +00:00
|
|
|
lookup-symbol in-addr, out, env-h, globals, trace, screen-cell, keyboard-cell
|
2021-03-05 07:08:44 +00:00
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|
trace-higher trace
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|
return
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|
|
|
}
|
2021-03-07 07:03:23 +00:00
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|
# in-addr is a syntax tree
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$evaluate:anonymous-function: {
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# trees starting with "fn" are anonymous functions and therefore literals
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|
var expr/esi: (addr cell) <- copy in-addr
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# if its first elem is not "fn", break
|
2021-04-11 06:47:19 +00:00
|
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var in-addr/edx: (addr cell) <- copy in-addr
|
2021-03-07 07:03:23 +00:00
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|
|
var first-ah/ecx: (addr handle cell) <- get in-addr, left
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var first/eax: (addr cell) <- lookup *first-ah
|
2021-03-08 03:46:21 +00:00
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|
|
var fn?/eax: boolean <- fn? first
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|
compare fn?, 0/false
|
2021-03-07 07:03:23 +00:00
|
|
|
break-if-=
|
2021-04-11 06:47:19 +00:00
|
|
|
# turn (fn ...) into (fn env ...)
|
2021-03-07 07:03:23 +00:00
|
|
|
trace-text trace, "eval", "anonymous function"
|
2021-04-11 06:47:19 +00:00
|
|
|
var rest-ah/eax: (addr handle cell) <- get in-addr, right
|
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var tmp: (handle cell)
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|
var tmp-ah/edi: (addr handle cell) <- address tmp
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|
|
|
new-pair tmp-ah, env-h, *rest-ah
|
|
|
|
new-pair out, *first-ah, *tmp-ah
|
2021-03-07 07:03:23 +00:00
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
2021-04-06 16:40:13 +00:00
|
|
|
# builtins with "special" evaluation rules
|
|
|
|
$evaluate:quote: {
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# trees starting with single quote create literals
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|
|
|
var expr/esi: (addr cell) <- copy in-addr
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|
|
# if its first elem is not "'", break
|
|
|
|
var first-ah/ecx: (addr handle cell) <- get in-addr, left
|
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|
var rest-ah/edx: (addr handle cell) <- get in-addr, right
|
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|
|
var first/eax: (addr cell) <- lookup *first-ah
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|
|
|
var first-type/ecx: (addr int) <- get first, type
|
|
|
|
compare *first-type, 2/symbol
|
|
|
|
break-if-!=
|
|
|
|
var sym-data-ah/eax: (addr handle stream byte) <- get first, text-data
|
|
|
|
var sym-data/eax: (addr stream byte) <- lookup *sym-data-ah
|
|
|
|
var quote?/eax: boolean <- stream-data-equal? sym-data, "'"
|
|
|
|
compare quote?, 0/false
|
|
|
|
break-if-=
|
|
|
|
#
|
|
|
|
trace-text trace, "eval", "quote"
|
|
|
|
copy-object rest-ah, out
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
2021-04-06 17:00:23 +00:00
|
|
|
$evaluate:set: {
|
|
|
|
# trees starting with "set" define globals
|
|
|
|
var expr/esi: (addr cell) <- copy in-addr
|
|
|
|
# if its first elem is not "set", break
|
|
|
|
var first-ah/ecx: (addr handle cell) <- get in-addr, left
|
|
|
|
var rest-ah/edx: (addr handle cell) <- get in-addr, right
|
|
|
|
var first/eax: (addr cell) <- lookup *first-ah
|
|
|
|
var first-type/ecx: (addr int) <- get first, type
|
|
|
|
compare *first-type, 2/symbol
|
|
|
|
break-if-!=
|
|
|
|
var sym-data-ah/eax: (addr handle stream byte) <- get first, text-data
|
|
|
|
var sym-data/eax: (addr stream byte) <- lookup *sym-data-ah
|
|
|
|
var set?/eax: boolean <- stream-data-equal? sym-data, "set"
|
|
|
|
compare set?, 0/false
|
|
|
|
break-if-=
|
|
|
|
#
|
|
|
|
trace-text trace, "eval", "set"
|
|
|
|
trace-text trace, "eval", "evaluating second arg"
|
|
|
|
var rest/eax: (addr cell) <- lookup *rest-ah
|
|
|
|
var first-arg-ah/ecx: (addr handle cell) <- get rest, left
|
|
|
|
{
|
|
|
|
var first-arg/eax: (addr cell) <- lookup *first-arg-ah
|
|
|
|
var first-arg-type/eax: (addr int) <- get first-arg, type
|
|
|
|
compare *first-arg-type, 2/symbol
|
|
|
|
break-if-=
|
|
|
|
error trace, "first arg to set must be a symbol"
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
rest-ah <- get rest, right
|
|
|
|
rest <- lookup *rest-ah
|
|
|
|
var second-arg-ah/edx: (addr handle cell) <- get rest, left
|
2021-04-11 04:20:35 +00:00
|
|
|
evaluate second-arg-ah, out, env-h, globals, trace, screen-cell, keyboard-cell
|
2021-04-06 17:00:23 +00:00
|
|
|
trace-text trace, "eval", "saving global binding"
|
|
|
|
var first-arg/eax: (addr cell) <- lookup *first-arg-ah
|
|
|
|
var first-arg-data-ah/eax: (addr handle stream byte) <- get first-arg, text-data
|
|
|
|
var first-arg-data/eax: (addr stream byte) <- lookup *first-arg-data-ah
|
|
|
|
var tmp-string: (handle array byte)
|
|
|
|
var tmp-ah/edx: (addr handle array byte) <- address tmp-string
|
|
|
|
rewind-stream first-arg-data
|
|
|
|
stream-to-array first-arg-data, tmp-ah
|
|
|
|
var first-arg-data-string/eax: (addr array byte) <- lookup *tmp-ah
|
|
|
|
var out2/edi: (addr handle cell) <- copy out
|
|
|
|
append-global globals, first-arg-data-string, *out2
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
2021-04-10 05:21:00 +00:00
|
|
|
$evaluate:if: {
|
|
|
|
# trees starting with "if" are conditionals
|
|
|
|
var expr/esi: (addr cell) <- copy in-addr
|
|
|
|
# if its first elem is not "if", break
|
|
|
|
var first-ah/ecx: (addr handle cell) <- get in-addr, left
|
|
|
|
var rest-ah/edx: (addr handle cell) <- get in-addr, right
|
|
|
|
var first/eax: (addr cell) <- lookup *first-ah
|
|
|
|
var first-type/ecx: (addr int) <- get first, type
|
|
|
|
compare *first-type, 2/symbol
|
|
|
|
break-if-!=
|
|
|
|
var sym-data-ah/eax: (addr handle stream byte) <- get first, text-data
|
|
|
|
var sym-data/eax: (addr stream byte) <- lookup *sym-data-ah
|
|
|
|
var if?/eax: boolean <- stream-data-equal? sym-data, "if"
|
|
|
|
compare if?, 0/false
|
|
|
|
break-if-=
|
|
|
|
#
|
|
|
|
trace-text trace, "eval", "if"
|
|
|
|
trace-text trace, "eval", "evaluating first arg"
|
|
|
|
var rest/eax: (addr cell) <- lookup *rest-ah
|
|
|
|
var first-arg-ah/ecx: (addr handle cell) <- get rest, left
|
|
|
|
var guard-h: (handle cell)
|
|
|
|
var guard-ah/esi: (addr handle cell) <- address guard-h
|
2021-04-11 04:20:35 +00:00
|
|
|
evaluate first-arg-ah, guard-ah, env-h, globals, trace, screen-cell, keyboard-cell
|
2021-04-10 05:21:00 +00:00
|
|
|
rest-ah <- get rest, right
|
|
|
|
rest <- lookup *rest-ah
|
|
|
|
var branch-ah/edi: (addr handle cell) <- get rest, left
|
|
|
|
var guard-a/eax: (addr cell) <- lookup *guard-ah
|
|
|
|
var skip-to-third-arg?/eax: boolean <- nil? guard-a
|
|
|
|
compare skip-to-third-arg?, 0/false
|
|
|
|
{
|
|
|
|
break-if-=
|
|
|
|
trace-text trace, "eval", "skipping to third arg"
|
|
|
|
var rest/eax: (addr cell) <- lookup *rest-ah
|
|
|
|
rest-ah <- get rest, right
|
|
|
|
rest <- lookup *rest-ah
|
|
|
|
branch-ah <- get rest, left
|
|
|
|
}
|
2021-04-11 04:20:35 +00:00
|
|
|
evaluate branch-ah, out, env-h, globals, trace, screen-cell, keyboard-cell
|
2021-04-10 05:21:00 +00:00
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
2021-03-05 23:18:46 +00:00
|
|
|
trace-text trace, "eval", "function call"
|
|
|
|
trace-text trace, "eval", "evaluating list elements"
|
|
|
|
var evaluated-list-storage: (handle cell)
|
|
|
|
var evaluated-list-ah/esi: (addr handle cell) <- address evaluated-list-storage
|
|
|
|
var curr-out-ah/edx: (addr handle cell) <- copy evaluated-list-ah
|
|
|
|
var curr/ecx: (addr cell) <- copy in-addr
|
|
|
|
$evaluate-list:loop: {
|
|
|
|
allocate-pair curr-out-ah
|
2021-03-08 03:46:21 +00:00
|
|
|
var nil?/eax: boolean <- nil? curr
|
|
|
|
compare nil?, 0/false
|
2021-03-05 23:18:46 +00:00
|
|
|
break-if-!=
|
|
|
|
# eval left
|
|
|
|
var curr-out/eax: (addr cell) <- lookup *curr-out-ah
|
|
|
|
var left-out-ah/edi: (addr handle cell) <- get curr-out, left
|
|
|
|
var left-ah/esi: (addr handle cell) <- get curr, left
|
2021-04-11 04:20:35 +00:00
|
|
|
evaluate left-ah, left-out-ah, env-h, globals, trace, screen-cell, keyboard-cell
|
2021-03-05 23:18:46 +00:00
|
|
|
#
|
|
|
|
curr-out-ah <- get curr-out, right
|
|
|
|
var right-ah/eax: (addr handle cell) <- get curr, right
|
|
|
|
var right/eax: (addr cell) <- lookup *right-ah
|
|
|
|
curr <- copy right
|
|
|
|
loop
|
|
|
|
}
|
|
|
|
var evaluated-list/eax: (addr cell) <- lookup *evaluated-list-ah
|
|
|
|
var function-ah/ecx: (addr handle cell) <- get evaluated-list, left
|
|
|
|
var args-ah/edx: (addr handle cell) <- get evaluated-list, right
|
|
|
|
#? dump-cell args-ah
|
|
|
|
#? abort "aaa"
|
2021-04-11 06:38:23 +00:00
|
|
|
apply function-ah, args-ah, out, globals, trace, screen-cell, keyboard-cell
|
2021-03-07 18:55:09 +00:00
|
|
|
trace-higher trace
|
|
|
|
# trace "=> " out {{{
|
|
|
|
{
|
|
|
|
var stream-storage: (stream byte 0x40)
|
|
|
|
var stream/ecx: (addr stream byte) <- address stream-storage
|
|
|
|
write stream, "=> "
|
|
|
|
print-cell out, stream, 0/no-trace
|
|
|
|
trace trace, "eval", stream
|
|
|
|
}
|
|
|
|
# }}}
|
2021-03-05 23:18:46 +00:00
|
|
|
}
|
|
|
|
|
2021-04-11 06:38:23 +00:00
|
|
|
fn apply _f-ah: (addr handle cell), args-ah: (addr handle cell), out: (addr handle cell), globals: (addr global-table), trace: (addr trace), screen-cell: (addr handle cell), keyboard-cell: (addr handle cell) {
|
2021-03-05 23:18:46 +00:00
|
|
|
var f-ah/eax: (addr handle cell) <- copy _f-ah
|
2021-03-07 07:15:27 +00:00
|
|
|
var _f/eax: (addr cell) <- lookup *f-ah
|
|
|
|
var f/esi: (addr cell) <- copy _f
|
|
|
|
# call primitive functions
|
2021-03-05 23:18:46 +00:00
|
|
|
{
|
2021-03-07 07:15:27 +00:00
|
|
|
var f-type/eax: (addr int) <- get f, type
|
2021-03-05 23:18:46 +00:00
|
|
|
compare *f-type, 4/primitive-function
|
|
|
|
break-if-!=
|
2021-04-11 06:32:38 +00:00
|
|
|
apply-primitive f, args-ah, out, globals, trace
|
2021-03-05 23:18:46 +00:00
|
|
|
return
|
|
|
|
}
|
2021-03-07 07:15:27 +00:00
|
|
|
# if it's not a primitive function it must be an anonymous function
|
2021-03-07 22:18:24 +00:00
|
|
|
# trace "apply anonymous function " f " in environment " env {{{
|
|
|
|
{
|
2021-04-10 05:51:24 +00:00
|
|
|
var stream-storage: (stream byte 0x100)
|
2021-03-07 22:18:24 +00:00
|
|
|
var stream/ecx: (addr stream byte) <- address stream-storage
|
|
|
|
write stream, "apply anonymous function "
|
|
|
|
print-cell _f-ah, stream, 0/no-trace
|
2021-04-11 06:38:23 +00:00
|
|
|
#? write stream, " in environment "
|
|
|
|
#? var callee-env-ah/eax: (addr handle cell) <- address callee-env-h
|
|
|
|
#? print-cell callee-env-ah, stream, 0/no-trace
|
2021-03-07 22:18:24 +00:00
|
|
|
trace trace, "eval", stream
|
|
|
|
}
|
|
|
|
# }}}
|
|
|
|
trace-lower trace
|
2021-03-07 07:15:27 +00:00
|
|
|
{
|
|
|
|
var f-type/ecx: (addr int) <- get f, type
|
|
|
|
compare *f-type, 0/pair
|
|
|
|
break-if-!=
|
|
|
|
var first-ah/eax: (addr handle cell) <- get f, left
|
|
|
|
var first/eax: (addr cell) <- lookup *first-ah
|
2021-03-08 03:46:21 +00:00
|
|
|
var fn?/eax: boolean <- fn? first
|
|
|
|
compare fn?, 0/false
|
2021-03-07 07:15:27 +00:00
|
|
|
break-if-=
|
|
|
|
var rest-ah/esi: (addr handle cell) <- get f, right
|
|
|
|
var rest/eax: (addr cell) <- lookup *rest-ah
|
2021-04-11 06:47:19 +00:00
|
|
|
var callee-env-ah/edx: (addr handle cell) <- get rest, left
|
|
|
|
rest-ah <- get rest, right
|
|
|
|
rest <- lookup *rest-ah
|
2021-03-07 07:15:27 +00:00
|
|
|
var params-ah/ecx: (addr handle cell) <- get rest, left
|
|
|
|
var body-ah/eax: (addr handle cell) <- get rest, right
|
2021-04-11 06:47:19 +00:00
|
|
|
apply-function params-ah, args-ah, body-ah, out, *callee-env-ah, globals, trace, screen-cell, keyboard-cell
|
2021-03-07 22:18:24 +00:00
|
|
|
trace-higher trace
|
2021-03-07 07:15:27 +00:00
|
|
|
return
|
|
|
|
}
|
2021-03-07 07:03:23 +00:00
|
|
|
error trace, "unknown function"
|
2021-03-05 23:18:46 +00:00
|
|
|
}
|
|
|
|
|
2021-04-11 04:20:35 +00:00
|
|
|
fn apply-function params-ah: (addr handle cell), args-ah: (addr handle cell), _body-ah: (addr handle cell), out: (addr handle cell), env-h: (handle cell), globals: (addr global-table), trace: (addr trace), screen-cell: (addr handle cell), keyboard-cell: (addr handle cell) {
|
2021-03-07 16:53:31 +00:00
|
|
|
# push bindings for params to env
|
|
|
|
var new-env-storage: (handle cell)
|
|
|
|
var new-env-ah/esi: (addr handle cell) <- address new-env-storage
|
|
|
|
push-bindings params-ah, args-ah, env-h, new-env-ah, trace
|
|
|
|
# eval all expressions in body, writing result to `out` each time
|
|
|
|
var body-ah/ecx: (addr handle cell) <- copy _body-ah
|
|
|
|
$apply-function:body: {
|
|
|
|
var body/eax: (addr cell) <- lookup *body-ah
|
|
|
|
# stop when body is nil
|
|
|
|
{
|
2021-03-08 03:46:21 +00:00
|
|
|
var body-nil?/eax: boolean <- nil? body
|
|
|
|
compare body-nil?, 0/false
|
2021-03-07 16:53:31 +00:00
|
|
|
break-if-!= $apply-function:body
|
|
|
|
}
|
|
|
|
# evaluate each expression, writing result to `out`
|
|
|
|
{
|
|
|
|
var curr-ah/eax: (addr handle cell) <- get body, left
|
2021-04-11 04:20:35 +00:00
|
|
|
evaluate curr-ah, out, *new-env-ah, globals, trace, screen-cell, keyboard-cell
|
2021-03-07 16:53:31 +00:00
|
|
|
}
|
|
|
|
#
|
|
|
|
body-ah <- get body, right
|
|
|
|
loop
|
|
|
|
}
|
|
|
|
# `out` contains result of evaluating final expression
|
|
|
|
}
|
|
|
|
|
2021-03-07 19:05:03 +00:00
|
|
|
# Bind params to corresponding args and add the bindings to old-env. Return
|
|
|
|
# the result in env-ah.
|
|
|
|
#
|
|
|
|
# We never modify old-env, but we point to it. This way other parts of the
|
|
|
|
# interpreter can continue using old-env, and everything works harmoniously
|
|
|
|
# even though no cells are copied around.
|
|
|
|
#
|
|
|
|
# env should always be a DAG (ignoring internals of values). It doesn't have
|
|
|
|
# to be a tree (some values may be shared), but there are also no cycles.
|
|
|
|
#
|
|
|
|
# Learn more: https://en.wikipedia.org/wiki/Persistent_data_structure
|
2021-03-07 16:53:31 +00:00
|
|
|
fn push-bindings _params-ah: (addr handle cell), _args-ah: (addr handle cell), old-env-h: (handle cell), env-ah: (addr handle cell), trace: (addr trace) {
|
2021-03-07 19:05:03 +00:00
|
|
|
var params-ah/edx: (addr handle cell) <- copy _params-ah
|
|
|
|
var args-ah/ebx: (addr handle cell) <- copy _args-ah
|
|
|
|
var _params/eax: (addr cell) <- lookup *params-ah
|
|
|
|
var params/esi: (addr cell) <- copy _params
|
|
|
|
{
|
2021-03-08 03:46:21 +00:00
|
|
|
var params-nil?/eax: boolean <- nil? params
|
|
|
|
compare params-nil?, 0/false
|
2021-03-07 19:05:03 +00:00
|
|
|
break-if-=
|
|
|
|
# nil is a literal
|
|
|
|
trace-text trace, "eval", "done with push-bindings"
|
|
|
|
copy-handle old-env-h, env-ah
|
|
|
|
return
|
|
|
|
}
|
|
|
|
# Params can only be symbols or pairs. Args can be anything.
|
|
|
|
# trace "pushing bindings from " params " to " args {{{
|
|
|
|
{
|
2021-04-10 05:51:24 +00:00
|
|
|
var stream-storage: (stream byte 0x100)
|
2021-03-07 19:05:03 +00:00
|
|
|
var stream/ecx: (addr stream byte) <- address stream-storage
|
|
|
|
write stream, "pushing bindings from "
|
|
|
|
print-cell params-ah, stream, 0/no-trace
|
|
|
|
write stream, " to "
|
|
|
|
print-cell args-ah, stream, 0/no-trace
|
2021-03-07 22:18:24 +00:00
|
|
|
write stream, " onto "
|
|
|
|
var old-env-ah/eax: (addr handle cell) <- address old-env-h
|
|
|
|
print-cell old-env-ah, stream, 0/no-trace
|
2021-03-07 19:05:03 +00:00
|
|
|
trace trace, "eval", stream
|
|
|
|
}
|
|
|
|
# }}}
|
|
|
|
trace-lower trace
|
|
|
|
var params-type/eax: (addr int) <- get params, type
|
|
|
|
compare *params-type, 2/symbol
|
|
|
|
{
|
|
|
|
break-if-!=
|
|
|
|
trace-text trace, "eval", "symbol; binding to all remaining args"
|
|
|
|
# create a new binding
|
|
|
|
var new-binding-storage: (handle cell)
|
|
|
|
var new-binding-ah/eax: (addr handle cell) <- address new-binding-storage
|
|
|
|
new-pair new-binding-ah, *params-ah, *args-ah
|
|
|
|
# push it to env
|
|
|
|
new-pair env-ah, *new-binding-ah, old-env-h
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
compare *params-type, 0/pair
|
|
|
|
{
|
|
|
|
break-if-=
|
|
|
|
error trace, "cannot bind a non-symbol"
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
var _args/eax: (addr cell) <- lookup *args-ah
|
|
|
|
var args/edi: (addr cell) <- copy _args
|
|
|
|
# params is now a pair, so args must be also
|
|
|
|
var args-type/eax: (addr int) <- get args, type
|
|
|
|
compare *args-type, 0/pair
|
|
|
|
{
|
|
|
|
break-if-=
|
|
|
|
error trace, "args not in a proper list"
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
var intermediate-env-storage: (handle cell)
|
|
|
|
var intermediate-env-ah/edx: (addr handle cell) <- address intermediate-env-storage
|
|
|
|
var first-param-ah/eax: (addr handle cell) <- get params, left
|
|
|
|
var first-arg-ah/ecx: (addr handle cell) <- get args, left
|
|
|
|
push-bindings first-param-ah, first-arg-ah, old-env-h, intermediate-env-ah, trace
|
|
|
|
var remaining-params-ah/eax: (addr handle cell) <- get params, right
|
|
|
|
var remaining-args-ah/ecx: (addr handle cell) <- get args, right
|
|
|
|
push-bindings remaining-params-ah, remaining-args-ah, *intermediate-env-ah, env-ah, trace
|
2021-03-07 22:18:24 +00:00
|
|
|
trace-higher trace
|
2021-03-07 07:15:27 +00:00
|
|
|
}
|
|
|
|
|
2021-04-11 04:20:35 +00:00
|
|
|
fn lookup-symbol sym: (addr cell), out: (addr handle cell), env-h: (handle cell), globals: (addr global-table), trace: (addr trace), screen-cell: (addr handle cell), keyboard-cell: (addr handle cell) {
|
2021-03-05 07:08:44 +00:00
|
|
|
# trace sym
|
|
|
|
{
|
|
|
|
var stream-storage: (stream byte 0x40)
|
|
|
|
var stream/ecx: (addr stream byte) <- address stream-storage
|
2021-03-07 22:18:24 +00:00
|
|
|
write stream, "look up "
|
2021-03-05 07:08:44 +00:00
|
|
|
var sym2/eax: (addr cell) <- copy sym
|
|
|
|
var sym-data-ah/eax: (addr handle stream byte) <- get sym2, text-data
|
|
|
|
var sym-data/eax: (addr stream byte) <- lookup *sym-data-ah
|
|
|
|
rewind-stream sym-data
|
|
|
|
write-stream stream, sym-data
|
2021-03-07 22:18:24 +00:00
|
|
|
write stream, " in "
|
|
|
|
var env-ah/eax: (addr handle cell) <- address env-h
|
|
|
|
print-cell env-ah, stream, 0/no-trace
|
2021-03-05 07:08:44 +00:00
|
|
|
trace trace, "eval", stream
|
|
|
|
}
|
|
|
|
trace-lower trace
|
2021-03-07 07:27:14 +00:00
|
|
|
var _env/eax: (addr cell) <- lookup env-h
|
2021-03-05 07:08:44 +00:00
|
|
|
var env/ebx: (addr cell) <- copy _env
|
|
|
|
# if env is not a list, abort
|
|
|
|
{
|
|
|
|
var env-type/ecx: (addr int) <- get env, type
|
|
|
|
compare *env-type, 0/pair
|
|
|
|
break-if-=
|
|
|
|
error trace, "eval found a non-list environment"
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
2021-03-05 17:27:15 +00:00
|
|
|
# if env is nil, look up in globals
|
2021-03-05 07:08:44 +00:00
|
|
|
{
|
2021-03-08 03:46:21 +00:00
|
|
|
var env-nil?/eax: boolean <- nil? env
|
|
|
|
compare env-nil?, 0/false
|
2021-03-05 07:08:44 +00:00
|
|
|
break-if-=
|
2021-04-11 04:20:35 +00:00
|
|
|
lookup-symbol-in-globals sym, out, globals, trace, screen-cell, keyboard-cell
|
2021-03-05 07:08:44 +00:00
|
|
|
trace-higher trace
|
2021-03-07 22:18:24 +00:00
|
|
|
# trace "=> " out " (global)" {{{
|
|
|
|
{
|
|
|
|
var error?/eax: boolean <- has-errors? trace
|
|
|
|
compare error?, 0/false
|
|
|
|
break-if-!=
|
|
|
|
var stream-storage: (stream byte 0x40)
|
|
|
|
var stream/ecx: (addr stream byte) <- address stream-storage
|
|
|
|
write stream, "=> "
|
|
|
|
print-cell out, stream, 0/no-trace
|
|
|
|
write stream, " (global)"
|
|
|
|
trace trace, "eval", stream
|
|
|
|
}
|
|
|
|
# }}}
|
2021-03-05 07:08:44 +00:00
|
|
|
return
|
|
|
|
}
|
|
|
|
# check car
|
|
|
|
var env-head-storage: (handle cell)
|
|
|
|
var env-head-ah/eax: (addr handle cell) <- address env-head-storage
|
2021-03-07 22:18:24 +00:00
|
|
|
car env, env-head-ah, 0/no-trace
|
2021-03-05 07:08:44 +00:00
|
|
|
var _env-head/eax: (addr cell) <- lookup *env-head-ah
|
|
|
|
var env-head/ecx: (addr cell) <- copy _env-head
|
|
|
|
# if car is not a list, abort
|
|
|
|
{
|
|
|
|
var env-head-type/eax: (addr int) <- get env-head, type
|
|
|
|
compare *env-head-type, 0/pair
|
|
|
|
break-if-=
|
|
|
|
error trace, "environment is not a list of (key . value) pairs"
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
# check key
|
|
|
|
var curr-key-storage: (handle cell)
|
|
|
|
var curr-key-ah/eax: (addr handle cell) <- address curr-key-storage
|
|
|
|
car env-head, curr-key-ah, trace
|
|
|
|
var curr-key/eax: (addr cell) <- lookup *curr-key-ah
|
|
|
|
# if key is not a symbol, abort
|
|
|
|
{
|
|
|
|
var curr-key-type/eax: (addr int) <- get curr-key, type
|
|
|
|
compare *curr-key-type, 2/symbol
|
|
|
|
break-if-=
|
|
|
|
error trace, "environment contains a binding for a non-symbol"
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
# if key matches sym, return val
|
|
|
|
var match?/eax: boolean <- cell-isomorphic? curr-key, sym, trace
|
|
|
|
compare match?, 0/false
|
|
|
|
{
|
|
|
|
break-if-=
|
2021-03-07 22:18:24 +00:00
|
|
|
cdr env-head, out, 0/no-trace
|
|
|
|
# trace "=> " out " (match)" {{{
|
|
|
|
{
|
|
|
|
var error?/eax: boolean <- has-errors? trace
|
|
|
|
compare error?, 0/false
|
|
|
|
break-if-!=
|
|
|
|
var stream-storage: (stream byte 0x40)
|
|
|
|
var stream/ecx: (addr stream byte) <- address stream-storage
|
|
|
|
write stream, "=> "
|
|
|
|
print-cell out, stream, 0/no-trace
|
|
|
|
write stream, " (match)"
|
|
|
|
trace trace, "eval", stream
|
|
|
|
}
|
|
|
|
# }}}
|
2021-03-05 07:08:44 +00:00
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
# otherwise recurse
|
|
|
|
var env-tail-storage: (handle cell)
|
|
|
|
var env-tail-ah/eax: (addr handle cell) <- address env-tail-storage
|
|
|
|
cdr env, env-tail-ah, trace
|
2021-04-11 04:20:35 +00:00
|
|
|
lookup-symbol sym, out, *env-tail-ah, globals, trace, screen-cell, keyboard-cell
|
2021-03-05 07:08:44 +00:00
|
|
|
trace-higher trace
|
2021-03-07 22:18:24 +00:00
|
|
|
# trace "=> " out " (recurse)" {{{
|
|
|
|
{
|
|
|
|
var error?/eax: boolean <- has-errors? trace
|
|
|
|
compare error?, 0/false
|
|
|
|
break-if-!=
|
|
|
|
var stream-storage: (stream byte 0x40)
|
|
|
|
var stream/ecx: (addr stream byte) <- address stream-storage
|
|
|
|
write stream, "=> "
|
|
|
|
print-cell out, stream, 0/no-trace
|
|
|
|
write stream, " (recurse)"
|
|
|
|
trace trace, "eval", stream
|
|
|
|
}
|
|
|
|
# }}}
|
2021-03-05 07:08:44 +00:00
|
|
|
}
|
|
|
|
|
2021-03-05 17:27:15 +00:00
|
|
|
fn test-lookup-symbol-in-env {
|
|
|
|
# tmp = (a . 3)
|
|
|
|
var val-storage: (handle cell)
|
|
|
|
var val-ah/ecx: (addr handle cell) <- address val-storage
|
|
|
|
new-integer val-ah, 3
|
|
|
|
var key-storage: (handle cell)
|
|
|
|
var key-ah/edx: (addr handle cell) <- address key-storage
|
|
|
|
new-symbol key-ah, "a"
|
2021-03-07 07:27:14 +00:00
|
|
|
var env-storage: (handle cell)
|
|
|
|
var env-ah/ebx: (addr handle cell) <- address env-storage
|
|
|
|
new-pair env-ah, *key-ah, *val-ah
|
2021-03-05 17:27:15 +00:00
|
|
|
# env = ((a . 3))
|
|
|
|
var nil-storage: (handle cell)
|
|
|
|
var nil-ah/ecx: (addr handle cell) <- address nil-storage
|
|
|
|
allocate-pair nil-ah
|
2021-03-07 07:27:14 +00:00
|
|
|
new-pair env-ah, *env-ah, *nil-ah
|
|
|
|
# lookup sym(a) in env tmp
|
|
|
|
var tmp-storage: (handle cell)
|
|
|
|
var tmp-ah/edx: (addr handle cell) <- address tmp-storage
|
2021-03-05 17:27:15 +00:00
|
|
|
new-symbol tmp-ah, "a"
|
|
|
|
var in/eax: (addr cell) <- lookup *tmp-ah
|
2021-04-11 04:20:35 +00:00
|
|
|
lookup-symbol in, tmp-ah, *env-ah, 0/no-globals, 0/no-trace, 0/no-screen, 0/no-keyboard
|
2021-03-05 17:27:15 +00:00
|
|
|
var result/eax: (addr cell) <- lookup *tmp-ah
|
|
|
|
var result-type/edx: (addr int) <- get result, type
|
|
|
|
check-ints-equal *result-type, 1/number, "F - test-lookup-symbol-in-env/0"
|
|
|
|
var result-value-addr/eax: (addr float) <- get result, number-data
|
|
|
|
var result-value/eax: int <- convert *result-value-addr
|
|
|
|
check-ints-equal result-value, 3, "F - test-lookup-symbol-in-env/1"
|
|
|
|
}
|
|
|
|
|
2021-04-06 14:51:56 +00:00
|
|
|
fn test-lookup-symbol-in-globals {
|
|
|
|
var globals-storage: global-table
|
|
|
|
var globals/edi: (addr global-table) <- address globals-storage
|
|
|
|
initialize-globals globals
|
2021-03-05 17:27:15 +00:00
|
|
|
# env = nil
|
|
|
|
var nil-storage: (handle cell)
|
|
|
|
var nil-ah/ecx: (addr handle cell) <- address nil-storage
|
|
|
|
allocate-pair nil-ah
|
|
|
|
# lookup sym(a), env
|
|
|
|
var tmp-storage: (handle cell)
|
|
|
|
var tmp-ah/ebx: (addr handle cell) <- address tmp-storage
|
|
|
|
new-symbol tmp-ah, "+"
|
|
|
|
var in/eax: (addr cell) <- lookup *tmp-ah
|
2021-04-11 04:20:35 +00:00
|
|
|
lookup-symbol in, tmp-ah, *nil-ah, globals, 0/no-trace, 0/no-screen, 0/no-keyboard
|
2021-03-05 17:27:15 +00:00
|
|
|
var result/eax: (addr cell) <- lookup *tmp-ah
|
|
|
|
var result-type/edx: (addr int) <- get result, type
|
2021-04-06 14:51:56 +00:00
|
|
|
check-ints-equal *result-type, 4/primitive-function, "F - test-lookup-symbol-in-globals/0"
|
2021-03-05 17:27:15 +00:00
|
|
|
var result-value/eax: (addr int) <- get result, index-data
|
2021-04-11 05:38:02 +00:00
|
|
|
check-ints-equal *result-value, 2/add, "F - test-lookup-symbol-in-globals/1"
|
2021-03-05 17:27:15 +00:00
|
|
|
}
|
|
|
|
|
2021-03-05 07:08:44 +00:00
|
|
|
fn car _in: (addr cell), out: (addr handle cell), trace: (addr trace) {
|
|
|
|
trace-text trace, "eval", "car"
|
|
|
|
trace-lower trace
|
|
|
|
var in/eax: (addr cell) <- copy _in
|
|
|
|
# if in is not a list, abort
|
|
|
|
{
|
|
|
|
var in-type/ecx: (addr int) <- get in, type
|
|
|
|
compare *in-type, 0/pair
|
|
|
|
break-if-=
|
|
|
|
error trace, "car on a non-list"
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
# if in is nil, abort
|
|
|
|
{
|
2021-03-08 03:46:21 +00:00
|
|
|
var in-nil?/eax: boolean <- nil? in
|
|
|
|
compare in-nil?, 0/false
|
2021-03-05 07:08:44 +00:00
|
|
|
break-if-=
|
|
|
|
error trace, "car on nil"
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
var in-left/eax: (addr handle cell) <- get in, left
|
|
|
|
copy-object in-left, out
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
fn cdr _in: (addr cell), out: (addr handle cell), trace: (addr trace) {
|
|
|
|
trace-text trace, "eval", "cdr"
|
|
|
|
trace-lower trace
|
|
|
|
var in/eax: (addr cell) <- copy _in
|
|
|
|
# if in is not a list, abort
|
|
|
|
{
|
|
|
|
var in-type/ecx: (addr int) <- get in, type
|
|
|
|
compare *in-type, 0/pair
|
|
|
|
break-if-=
|
|
|
|
error trace, "car on a non-list"
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
# if in is nil, abort
|
|
|
|
{
|
2021-03-08 03:46:21 +00:00
|
|
|
var in-nil?/eax: boolean <- nil? in
|
|
|
|
compare in-nil?, 0/false
|
2021-03-05 07:08:44 +00:00
|
|
|
break-if-=
|
|
|
|
error trace, "car on nil"
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
var in-right/eax: (addr handle cell) <- get in, right
|
|
|
|
copy-object in-right, out
|
|
|
|
trace-higher trace
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
fn cell-isomorphic? _a: (addr cell), _b: (addr cell), trace: (addr trace) -> _/eax: boolean {
|
|
|
|
trace-text trace, "eval", "cell-isomorphic?"
|
|
|
|
trace-lower trace
|
|
|
|
var a/esi: (addr cell) <- copy _a
|
|
|
|
var b/edi: (addr cell) <- copy _b
|
|
|
|
# if types don't match, return false
|
|
|
|
var a-type-addr/eax: (addr int) <- get a, type
|
|
|
|
var b-type-addr/ecx: (addr int) <- get b, type
|
|
|
|
var b-type/ecx: int <- copy *b-type-addr
|
|
|
|
compare b-type, *a-type-addr
|
|
|
|
{
|
|
|
|
break-if-=
|
|
|
|
trace-higher trace
|
2021-03-07 22:18:24 +00:00
|
|
|
trace-text trace, "eval", "=> false (type)"
|
2021-03-05 07:08:44 +00:00
|
|
|
return 0/false
|
|
|
|
}
|
|
|
|
# if types are number, compare number-data
|
|
|
|
# TODO: exactly comparing floats is a bad idea
|
|
|
|
compare b-type, 1/number
|
|
|
|
{
|
|
|
|
break-if-!=
|
|
|
|
var a-val-addr/eax: (addr float) <- get a, number-data
|
|
|
|
var b-val-addr/ecx: (addr float) <- get b, number-data
|
|
|
|
var a-val/xmm0: float <- copy *a-val-addr
|
|
|
|
compare a-val, *b-val-addr
|
|
|
|
{
|
|
|
|
break-if-=
|
|
|
|
trace-higher trace
|
2021-03-07 22:18:24 +00:00
|
|
|
trace-text trace, "eval", "=> false (numbers)"
|
2021-03-05 07:08:44 +00:00
|
|
|
return 0/false
|
|
|
|
}
|
|
|
|
trace-higher trace
|
2021-03-07 22:18:24 +00:00
|
|
|
trace-text trace, "eval", "=> true (numbers)"
|
2021-03-05 07:08:44 +00:00
|
|
|
return 1/true
|
|
|
|
}
|
|
|
|
compare b-type, 2/symbol
|
|
|
|
{
|
|
|
|
break-if-!=
|
|
|
|
var b-val-ah/eax: (addr handle stream byte) <- get b, text-data
|
|
|
|
var _b-val/eax: (addr stream byte) <- lookup *b-val-ah
|
|
|
|
var b-val/ecx: (addr stream byte) <- copy _b-val
|
|
|
|
var a-val-ah/eax: (addr handle stream byte) <- get a, text-data
|
|
|
|
var a-val/eax: (addr stream byte) <- lookup *a-val-ah
|
|
|
|
var tmp-array: (handle array byte)
|
|
|
|
var tmp-ah/edx: (addr handle array byte) <- address tmp-array
|
2021-03-07 18:55:09 +00:00
|
|
|
rewind-stream a-val
|
2021-03-05 07:08:44 +00:00
|
|
|
stream-to-array a-val, tmp-ah
|
|
|
|
var tmp/eax: (addr array byte) <- lookup *tmp-ah
|
|
|
|
var match?/eax: boolean <- stream-data-equal? b-val, tmp
|
|
|
|
trace-higher trace
|
2021-03-07 22:18:24 +00:00
|
|
|
{
|
|
|
|
compare match?, 0/false
|
|
|
|
break-if-=
|
|
|
|
trace-text trace, "eval", "=> true (symbols)"
|
|
|
|
}
|
|
|
|
{
|
|
|
|
compare match?, 0/false
|
|
|
|
break-if-!=
|
|
|
|
trace-text trace, "eval", "=> false (symbols)"
|
|
|
|
}
|
2021-03-05 07:08:44 +00:00
|
|
|
return match?
|
|
|
|
}
|
|
|
|
# if a is nil, b should be nil
|
|
|
|
{
|
2021-03-08 03:46:21 +00:00
|
|
|
# (assumes nil? returns 0 or 1)
|
|
|
|
var _b-nil?/eax: boolean <- nil? b
|
|
|
|
var b-nil?/ecx: boolean <- copy _b-nil?
|
|
|
|
var a-nil?/eax: boolean <- nil? a
|
2021-03-05 07:08:44 +00:00
|
|
|
# a == nil and b == nil => return true
|
|
|
|
{
|
2021-03-08 03:46:21 +00:00
|
|
|
compare a-nil?, 0/false
|
2021-03-05 07:08:44 +00:00
|
|
|
break-if-=
|
2021-03-08 03:46:21 +00:00
|
|
|
compare b-nil?, 0/false
|
2021-03-05 07:08:44 +00:00
|
|
|
break-if-=
|
|
|
|
trace-higher trace
|
2021-03-07 22:18:24 +00:00
|
|
|
trace-text trace, "eval", "=> true (nils)"
|
2021-03-05 07:08:44 +00:00
|
|
|
return 1/true
|
|
|
|
}
|
|
|
|
# a == nil => return false
|
|
|
|
{
|
2021-03-08 03:46:21 +00:00
|
|
|
compare a-nil?, 0/false
|
2021-03-05 07:08:44 +00:00
|
|
|
break-if-=
|
|
|
|
trace-higher trace
|
2021-03-07 22:18:24 +00:00
|
|
|
trace-text trace, "eval", "=> false (b != nil)"
|
2021-03-05 07:08:44 +00:00
|
|
|
return 0/false
|
|
|
|
}
|
|
|
|
# b == nil => return false
|
|
|
|
{
|
2021-03-08 03:46:21 +00:00
|
|
|
compare b-nil?, 0/false
|
2021-03-05 07:08:44 +00:00
|
|
|
break-if-=
|
|
|
|
trace-higher trace
|
2021-03-07 22:18:24 +00:00
|
|
|
trace-text trace, "eval", "=> false (a != nil)"
|
2021-03-05 07:08:44 +00:00
|
|
|
return 0/false
|
|
|
|
}
|
|
|
|
}
|
|
|
|
# a and b are pairs
|
|
|
|
var a-tmp-storage: (handle cell)
|
|
|
|
var a-tmp-ah/edx: (addr handle cell) <- address a-tmp-storage
|
|
|
|
var b-tmp-storage: (handle cell)
|
|
|
|
var b-tmp-ah/ebx: (addr handle cell) <- address b-tmp-storage
|
|
|
|
# if cars aren't equal, return false
|
|
|
|
car a, a-tmp-ah, trace
|
|
|
|
car b, b-tmp-ah, trace
|
|
|
|
{
|
|
|
|
var _a-tmp/eax: (addr cell) <- lookup *a-tmp-ah
|
|
|
|
var a-tmp/ecx: (addr cell) <- copy _a-tmp
|
|
|
|
var b-tmp/eax: (addr cell) <- lookup *b-tmp-ah
|
|
|
|
var result/eax: boolean <- cell-isomorphic? a-tmp, b-tmp, trace
|
|
|
|
compare result, 0/false
|
|
|
|
break-if-!=
|
2021-03-07 22:18:24 +00:00
|
|
|
trace-higher trace
|
|
|
|
trace-text trace, "eval", "=> false (car mismatch)"
|
2021-03-05 07:08:44 +00:00
|
|
|
return 0/false
|
|
|
|
}
|
|
|
|
# recurse on cdrs
|
|
|
|
cdr a, a-tmp-ah, trace
|
|
|
|
cdr b, b-tmp-ah, trace
|
|
|
|
var _a-tmp/eax: (addr cell) <- lookup *a-tmp-ah
|
|
|
|
var a-tmp/ecx: (addr cell) <- copy _a-tmp
|
|
|
|
var b-tmp/eax: (addr cell) <- lookup *b-tmp-ah
|
|
|
|
var result/eax: boolean <- cell-isomorphic? a-tmp, b-tmp, trace
|
2021-03-07 22:18:24 +00:00
|
|
|
trace-higher trace
|
2021-03-05 07:08:44 +00:00
|
|
|
return result
|
|
|
|
}
|
2021-03-05 14:19:21 +00:00
|
|
|
|
2021-03-08 03:46:21 +00:00
|
|
|
fn fn? _x: (addr cell) -> _/eax: boolean {
|
2021-03-07 07:03:23 +00:00
|
|
|
var x/esi: (addr cell) <- copy _x
|
|
|
|
var type/eax: (addr int) <- get x, type
|
|
|
|
compare *type, 2/symbol
|
|
|
|
{
|
|
|
|
break-if-=
|
|
|
|
return 0/false
|
|
|
|
}
|
|
|
|
var contents-ah/eax: (addr handle stream byte) <- get x, text-data
|
|
|
|
var contents/eax: (addr stream byte) <- lookup *contents-ah
|
|
|
|
var result/eax: boolean <- stream-data-equal? contents, "fn"
|
|
|
|
return result
|
|
|
|
}
|
|
|
|
|
2021-03-05 14:19:21 +00:00
|
|
|
fn test-evaluate-is-well-behaved {
|
|
|
|
var t-storage: trace
|
|
|
|
var t/esi: (addr trace) <- address t-storage
|
|
|
|
initialize-trace t, 0x10, 0/visible # we don't use trace UI
|
2021-03-07 07:27:14 +00:00
|
|
|
# env = nil
|
|
|
|
var env-storage: (handle cell)
|
|
|
|
var env-ah/ecx: (addr handle cell) <- address env-storage
|
|
|
|
allocate-pair env-ah
|
|
|
|
# eval sym(a), nil env
|
2021-03-05 14:19:21 +00:00
|
|
|
var tmp-storage: (handle cell)
|
|
|
|
var tmp-ah/edx: (addr handle cell) <- address tmp-storage
|
|
|
|
new-symbol tmp-ah, "a"
|
2021-04-11 04:20:35 +00:00
|
|
|
evaluate tmp-ah, tmp-ah, *env-ah, 0/no-globals, t, 0/no-screen, 0/no-keyboard
|
2021-03-05 14:19:21 +00:00
|
|
|
# doesn't die
|
|
|
|
check-trace-contains t, "error", "unbound symbol: a", "F - test-evaluate-is-well-behaved"
|
|
|
|
}
|
|
|
|
|
2021-03-05 17:02:56 +00:00
|
|
|
fn test-evaluate-number {
|
2021-03-07 07:27:14 +00:00
|
|
|
# env = nil
|
|
|
|
var env-storage: (handle cell)
|
|
|
|
var env-ah/ecx: (addr handle cell) <- address env-storage
|
|
|
|
allocate-pair env-ah
|
|
|
|
# tmp = 3
|
2021-03-05 17:02:56 +00:00
|
|
|
var tmp-storage: (handle cell)
|
|
|
|
var tmp-ah/edx: (addr handle cell) <- address tmp-storage
|
|
|
|
new-integer tmp-ah, 3
|
2021-04-11 04:20:35 +00:00
|
|
|
evaluate tmp-ah, tmp-ah, *env-ah, 0/no-globals, 0/no-trace, 0/no-screen, 0/no-keyboard
|
2021-03-05 17:02:56 +00:00
|
|
|
#
|
|
|
|
var result/eax: (addr cell) <- lookup *tmp-ah
|
|
|
|
var result-type/edx: (addr int) <- get result, type
|
|
|
|
check-ints-equal *result-type, 1/number, "F - test-evaluate-number/0"
|
|
|
|
var result-value-addr/eax: (addr float) <- get result, number-data
|
|
|
|
var result-value/eax: int <- convert *result-value-addr
|
|
|
|
check-ints-equal result-value, 3, "F - test-evaluate-number/1"
|
|
|
|
}
|
|
|
|
|
|
|
|
fn test-evaluate-symbol {
|
2021-03-05 14:19:21 +00:00
|
|
|
# tmp = (a . 3)
|
|
|
|
var val-storage: (handle cell)
|
|
|
|
var val-ah/ecx: (addr handle cell) <- address val-storage
|
|
|
|
new-integer val-ah, 3
|
|
|
|
var key-storage: (handle cell)
|
|
|
|
var key-ah/edx: (addr handle cell) <- address key-storage
|
|
|
|
new-symbol key-ah, "a"
|
2021-03-07 07:27:14 +00:00
|
|
|
var env-storage: (handle cell)
|
|
|
|
var env-ah/ebx: (addr handle cell) <- address env-storage
|
|
|
|
new-pair env-ah, *key-ah, *val-ah
|
2021-03-05 14:19:21 +00:00
|
|
|
# env = ((a . 3))
|
|
|
|
var nil-storage: (handle cell)
|
|
|
|
var nil-ah/ecx: (addr handle cell) <- address nil-storage
|
|
|
|
allocate-pair nil-ah
|
2021-03-07 07:27:14 +00:00
|
|
|
new-pair env-ah, *env-ah, *nil-ah
|
2021-03-05 14:19:21 +00:00
|
|
|
# eval sym(a), env
|
2021-03-07 07:27:14 +00:00
|
|
|
var tmp-storage: (handle cell)
|
|
|
|
var tmp-ah/edx: (addr handle cell) <- address tmp-storage
|
2021-03-05 14:19:21 +00:00
|
|
|
new-symbol tmp-ah, "a"
|
2021-04-11 04:20:35 +00:00
|
|
|
evaluate tmp-ah, tmp-ah, *env-ah, 0/no-globals, 0/no-trace, 0/no-screen, 0/no-keyboard
|
2021-03-05 14:19:21 +00:00
|
|
|
var result/eax: (addr cell) <- lookup *tmp-ah
|
|
|
|
var result-type/edx: (addr int) <- get result, type
|
2021-03-05 17:02:56 +00:00
|
|
|
check-ints-equal *result-type, 1/number, "F - test-evaluate-symbol/0"
|
2021-03-05 14:19:21 +00:00
|
|
|
var result-value-addr/eax: (addr float) <- get result, number-data
|
|
|
|
var result-value/eax: int <- convert *result-value-addr
|
2021-03-05 17:02:56 +00:00
|
|
|
check-ints-equal result-value, 3, "F - test-evaluate-symbol/1"
|
2021-03-05 14:19:21 +00:00
|
|
|
}
|
2021-03-05 17:27:15 +00:00
|
|
|
|
|
|
|
fn test-evaluate-primitive-function {
|
2021-04-06 06:52:13 +00:00
|
|
|
var globals-storage: global-table
|
|
|
|
var globals/edi: (addr global-table) <- address globals-storage
|
|
|
|
initialize-globals globals
|
2021-03-05 17:27:15 +00:00
|
|
|
var nil-storage: (handle cell)
|
|
|
|
var nil-ah/ecx: (addr handle cell) <- address nil-storage
|
|
|
|
allocate-pair nil-ah
|
2021-03-05 23:18:46 +00:00
|
|
|
var add-storage: (handle cell)
|
|
|
|
var add-ah/ebx: (addr handle cell) <- address add-storage
|
|
|
|
new-symbol add-ah, "+"
|
2021-03-05 17:27:15 +00:00
|
|
|
# eval +, nil env
|
|
|
|
var tmp-storage: (handle cell)
|
|
|
|
var tmp-ah/esi: (addr handle cell) <- address tmp-storage
|
2021-04-11 04:20:35 +00:00
|
|
|
evaluate add-ah, tmp-ah, *nil-ah, globals, 0/no-trace, 0/no-screen, 0/no-keyboard
|
2021-03-05 17:27:15 +00:00
|
|
|
#
|
|
|
|
var result/eax: (addr cell) <- lookup *tmp-ah
|
|
|
|
var result-type/edx: (addr int) <- get result, type
|
|
|
|
check-ints-equal *result-type, 4/primitive-function, "F - test-evaluate-primitive-function/0"
|
|
|
|
var result-value/eax: (addr int) <- get result, index-data
|
2021-04-11 05:38:02 +00:00
|
|
|
check-ints-equal *result-value, 2/add, "F - test-evaluate-primitive-function/1"
|
2021-03-05 23:18:46 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
fn test-evaluate-primitive-function-call {
|
|
|
|
var t-storage: trace
|
|
|
|
var t/edi: (addr trace) <- address t-storage
|
|
|
|
initialize-trace t, 0x100, 0/visible # we don't use trace UI
|
|
|
|
#
|
|
|
|
var nil-storage: (handle cell)
|
|
|
|
var nil-ah/ecx: (addr handle cell) <- address nil-storage
|
|
|
|
allocate-pair nil-ah
|
|
|
|
var one-storage: (handle cell)
|
|
|
|
var one-ah/edx: (addr handle cell) <- address one-storage
|
|
|
|
new-integer one-ah, 1
|
|
|
|
var add-storage: (handle cell)
|
|
|
|
var add-ah/ebx: (addr handle cell) <- address add-storage
|
|
|
|
new-symbol add-ah, "+"
|
2021-04-06 06:52:13 +00:00
|
|
|
# input is (+ 1 1)
|
2021-03-05 23:18:46 +00:00
|
|
|
var tmp-storage: (handle cell)
|
|
|
|
var tmp-ah/esi: (addr handle cell) <- address tmp-storage
|
|
|
|
new-pair tmp-ah, *one-ah, *nil-ah
|
|
|
|
new-pair tmp-ah, *one-ah, *tmp-ah
|
|
|
|
new-pair tmp-ah, *add-ah, *tmp-ah
|
|
|
|
#? dump-cell tmp-ah
|
2021-04-06 06:52:13 +00:00
|
|
|
#
|
|
|
|
var globals-storage: global-table
|
|
|
|
var globals/edx: (addr global-table) <- address globals-storage
|
|
|
|
initialize-globals globals
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#
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2021-04-11 04:20:35 +00:00
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evaluate tmp-ah, tmp-ah, *nil-ah, globals, t, 0/no-screen, 0/no-keyboard
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2021-03-05 23:18:46 +00:00
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#? dump-trace t
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#
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var result/eax: (addr cell) <- lookup *tmp-ah
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var result-type/edx: (addr int) <- get result, type
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check-ints-equal *result-type, 1/number, "F - test-evaluate-primitive-function-call/0"
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var result-value-addr/eax: (addr float) <- get result, number-data
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var result-value/eax: int <- convert *result-value-addr
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check-ints-equal result-value, 2, "F - test-evaluate-primitive-function-call/1"
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2021-03-05 17:27:15 +00:00
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}
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