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Diffstat (limited to 'src/interp/sys-constants.boot')
| -rw-r--r-- | src/interp/sys-constants.boot | 519 |
1 files changed, 519 insertions, 0 deletions
diff --git a/src/interp/sys-constants.boot b/src/interp/sys-constants.boot new file mode 100644 index 00000000..f518d045 --- /dev/null +++ b/src/interp/sys-constants.boot @@ -0,0 +1,519 @@ +-- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd. +-- All rights reserved. +-- +-- Redistribution and use in source and binary forms, with or without +-- modification, are permitted provided that the following conditions are +-- met: +-- +-- - Redistributions of source code must retain the above copyright +-- notice, this list of conditions and the following disclaimer. +-- +-- - Redistributions in binary form must reproduce the above copyright +-- notice, this list of conditions and the following disclaimer in +-- the documentation and/or other materials provided with the +-- distribution. +-- +-- - Neither the name of The Numerical ALgorithms Group Ltd. nor the +-- names of its contributors may be used to endorse or promote products +-- derived from this software without specific prior written permission. +-- +-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS +-- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +-- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER +-- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +-- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +-- +-- Copyright (C) 2007 Gabriel Dos Reis +-- + +-- +-- This file collects and documents some of the constants used by either +-- the interpreter or the compiler or both. +-- + +import '"boot-pkg" + +)package "BOOT" + + +++ Clock time unit per second. +$timerTicksPerSecond == + INTERNAL_-TIME_-UNITS_-PER_-SECOND + + +-- +-- Text formatting +-- + +++ Glyph for a box +$boxString == + CONCATENATE('STRING, [CODE_-CHAR 29, CODE_-CHAR 226]) + +++ Glyph for an APL quad +$quadSymbol == + $boxString + +--% ANSI Escape Sequences. Note that these days, people +--% will be talking of ISO/IEC 6429. The practical end result +--% is the same. +--% The next few definitions provide symbolic names for ANSI +--% espace sequences. + +++ The escape character, in string form +$escapeString == + STRING CODE_-CHAR 27 + +++ Marker to swicth to bold font +$boldString == + CONCATENATE('STRING, $escapeString, '"[12m") + +++ Marker to switch to normal font +$normalString == + CONCATENATE('STRING, $escapeString, '"[0;10m") + +++ Marker to switch to reverve video display +$reverseVideoString == + CONCATENATE('STRING, $escapeString, '"[7m") + +++ Marker to underline text +$underlineString == + CONCATENATE('STRING, $escapeString, '"[4m") + + +-- +-- User Interface +-- + +++ +++ FIXME: Eventually move this to i-syscmd.boot +$noParseCommands == + '(boot _ + copyright _ + credits _ + fin _ + lisp _ + pquit _ + quit _ + suspend _ + synonym _ + system) + +++ +$tokenCommands == + '(abbreviations _ + cd _ + clear _ + close _ + compiler _ + depends _ + display _ + edit _ + frame _ + frame _ + help _ + history _ + input _ + library _ + load _ + ltrace _ + read _ + savesystem _ + set _ + spool _ + undo _ + what _ + with _ + workfiles _ + zsystemdevelopment) + +++ +++ List of pair (command . user level) +$systemCommands == + '((abbreviations . compiler) _ + (boot . development) _ + (cd . interpreter) _ + (clear . interpreter) _ + (close . interpreter) _ + (compiler . compiler) _ + (copyright . interpreter) _ + (credits . interpreter) _ + (display . interpreter) _ + (edit . interpreter) _ + (fin . development) _ + (frame . interpreter) _ + (help . interpreter) _ + (history . interpreter) _ + (lisp . development) _ + (library . interpreter) _ + (load . interpreter) _ + (ltrace . interpreter) _ + (pquit . interpreter) _ + (quit . interpreter) _ + (read . interpreter) _ + (savesystem . interpreter) _ + (set . interpreter) _ + (show . interpreter) _ + (spool . interpreter) _ + (summary . interpreter) _ + (synonym . interpreter) _ + (system . interpreter) _ + (trace . interpreter) _ + (undo . interpreter) _ + (what . interpreter) _ + (with . interpreter) _ + (workfiles . development) _ + (zsystemdevelopment . interpreter)) + +-- +-- Old Parser data +-- + +++ The double quote character in string form +++ FIXME: This constant is used in only one place. Move it there. +$DoubleQuote == + '"_"" + +++ Internal type tag for big float values. +++ This must be consistent with the tag checked for in postBigFloat +++ and also set in property.lisp. +++ FIXME: Have all those places use this symbolic constants. +$BFtag == + ":BF:" + +-- +-- Compiler flags +-- + +++ True if the system should support compilation +++ This constant does not seem very terrible useful. +++ FIXME: Check if it can be removed. +$COMPILE == + true + +-- +-- Common system data +-- + +++ A list of precomputed formal function formal parameter names. +++ 50 parameters should be enough for everybody, right? +$FormalMapVariableList == + '(_#1 _#2 _#3 _#4 _#5 _#6 _#7 _#8 _#9 _#10 _ + _#11 _#12 _#13 _#14 _#15 _#16 _#17 _#18 _#19 _#20 _ + _#21 _#22 _#23 _#24 _#25 _#26 _#27 _#28 _#29 _#30 _ + _#31 _#32 _#33 _#34 _#35 _#36 _#37 _#38 _#39 _#40 _ + _#41 _#42 _#43 _#44 _#45 _#46 _#47 _#48 _#49 _#50) + + +++ List of precomputed pattern variable names. +$PatternVariableList == + '(_*1 _*2 _*3 _*4 _*5 _*6 _*7 _*8 _*9 _*10 _*11 _ + _*12 _*13 _*14 _*15 _*16 _*17 _*18 _*19 _*20 _ + _*21 _*22 _*23 _*24 _*25 _*26 _*27 _*28 _*29 _*30 _ + _*31 _*32 _*33 _*34 _*35 _*36 _*37 _*38 _*39 _*40 _ + _*41 _*42 _*43 _*44 _*45 _*46 _*47 _*48 _*49 _*50) + +$ModeVariableList == + '(dv_$1 dv_$2 dv_$3 dv_$4 dv_$5 dv_$6 dv_$7 dv_$8 _ + dv_$9 dv_$10 dv_$11 dv_$12 dv_$13 dv_$14 dv_$15 _ + dv_$16 dv_$17 dv_$18 dv_$19 dv_$20) + +$DomainVariableList == + '(_$1 _$2 _$3 _$4 _$5 _$6 _$7 _$8 _$9 _$10 _$11 _ + _$12 _$13 _$14 _$15 _$16 _$17 _$18 _$19 _$20) + + +++ List of basic predicates the system has a built-in optimization +++ support for. +$BasicPredicates == + '(INTEGERP STRINGP FLOATP) + + + +++ List of functions known to be free of side effects +++ FIXME: Check that the names on this list are not renamed. +$SideEffectFreeFunctionList == + '(_null _ + _case _ + Zero _ + One _ + _: _ + _:_: _ + _has _ + Mapping _ + _elt _ + _= _ + _> _ + _>_= _ + _< _ + _<_= _ + MEMBER _ + _is _ + _isnt _ + ATOM _ + $_= _ + $_> _ + $_>_= _ + $_< _ + $_<_= _ + $_^_= _ + $MEMBER) + +--% Types + +++ The Void domain constructor form +$Void == + '(Void) + +++ Boolean domain constructor form +$Boolean == + '(Boolean) + +++ The SmallInteger domain constructor form +$SmallInteger == + '(SingleInteger) + +++ The Integer domain constructor form. +$Integer == + '(Integer) + + +++ The NegativeInteger domain constructor form +$NegativeInteger == + '(NegativeInteger) + +++ The NonNegativeInteger domain constructor form +$NonNegativeInteger == + '(NonNegativeInteger) + +++ The NonPositiveInteger domain constructor form +$NonPositiveInteger == + '(NonPositiveInteger) + +++ The PositiveInteger domain constructor form +$PositiveInteger == + '(PositiveInteger) + +++ The RationalNumber domain constructor form +$RationalNumber == + '(Fraction (Integer)) + + +++ SingleFloat domain constructor form +$SingleFloat == + '(SingleFloat) + +++ Float domain constructor form +$Float == + '(Float) + +++ DoubleFloat domain constructor form +$DoubleFloat == + '(DoubleFloat) + +++ BigFloat domain constructor form +++ FIXME: This does not appear to be used anywhere in the +++ source codes. +$BigFloat == + '(Float) + + +++ The String constructor domain form +$String == + '(String) + +++ The Symbol constructor domain form +$Symbol == + '(Symbol) + + +++ The 'wildcar' for a type -- "?" in Spad syntax. This stands for +++ an unspecified type. +$EmptyMode == + "$EmptyMode" + +++ Expression domain constructor form +$Expression == + '(OutputForm) + +++ Exit domain constructor form +$Exit == + '(Exit) + +++ The ThrowAwayMode constructor form +$ThrowAwayMode == + "$ThrowAwayMode" + +++ This mode is used to indicate that the value of expression +++ can be thrown away. +$NoValueMode == + "$NoValueMode" + +--% + +++ Category constructor form +$Category == + '(Category) + +++ Domain constructor form +++ FIXME: Find where this is used in the system. +$Domain == + '(Domain) + +++ Mode constructor form +++ FIXME: Where is this used? +$Mode == + '(Mode) + + +++ StringCategory Constructor form +$StringCategory == + '(StringCategory) + + +++ List of categories that do not have entries in the constructor +++ database. So, they are mostly recognized by their names. +$CategoryNames == + '(Category _ + CATEGORY _ + RecordCategory _ + Join _ + EnumerationCategory _ + StringCategory _ + SubsetCategory _ + UnionCategory) + +++ List of domains that do not have entries in the constructor +++ database. So, they are mostly recognized by their names. +++ See also $CategoryNames. +$DomainNames == + '(Integer _ + Float _ + Symbol _ + Boolean _ + String _ + Expression _ + Mapping _ + SubDomain _ + List _ + Union _ + Record _ + Vector _ + Enumeration) + + +++ +$NonMentionableDomainNames == + '($ Rep Record Union Mapping Enumeration) + + +++ List of primitive domains +$PrimitiveDomainNames == + '(List _ + Integer _ + NonNegativeInteger _ + PositiveInteger _ + SingleInteger _ + String _ + Boolean) + +++ FIXME +$SpecialDomainNames == + '(add _ + CAPSULE _ + SubDomain _ + List _ + Union _ + Record _ + Vector) + + +$optimizableConstructorNames == + '(List _ + Integer _ + PositiveInteger _ + NonNegativeInteger _ + SingleInteger _ + String _ + Boolean _ + Symbol _ + DoubleFloat _ + PrimitiveArray _ + Vector) + +++ FIXME +$DomainsInScope == + '(NIL) + +++ List of domains in scope in fresh settings. +$InitialDomainsInScope == + '($EmptyMode _ + $NoValueMode) + + +++ FIXME +$underDomainAlist == + nil + + +++ List of constructors that do not have entries in the databases. +++ See also $CategoryNames and $DomainNames. +$ConstructorNames == + '(SubDomain _ + List _ + Union _ + Record _ + Vector) + +++ A list of functors that do not really have modemaps +$DummyFunctorNames == + '(Mapping) + +--% + +++ The empty environment +$EmptyEnvironment == + '((NIL)) + +++ +$LocalFrame == + '((NIL)) + +++ The empty string constant. +$EmptyString == + '"" +++ The empty vector constant +$EmptyVector == + VECTOR() + +++ A symbol denoting failure +$failure == + GENSYM() + +++ The initial modemap frame +$InitialModemapFrame == + '((NIL)) + + +++ The constant 0. +$Zero == + '(Zero) + +++ The constant 1. +$One == + '(One) + + +++ +$true == + ''T + +++ Indicate absence of value +$NoValue == + "$NoValue" + |