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Text File | 1991-09-12 | 12KB | 782 lines

"Smalltalk built in methods. These are read in by the system initially, to prepare the execution environment." "====================================================================== | | Copyright (C) 1990, 1991 Free Software Foundation, Inc. | Written by Steve Byrne. | | This file is part of GNU Smalltalk. | | GNU Smalltalk is free software; you can redistribute it and/or modify it | under the terms of the GNU General Public License as published by the Free | Software Foundation; either version 1, or (at your option) any later version. | | GNU Smalltalk is distributed in the hope that it will be useful, but WITHOUT | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more | details. | | You should have received a copy of the GNU General Public License along with | GNU Smalltalk; see the file COPYING. If not, write to the Free Software | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | ======================================================================" " | Change Log | ============================================================================ | Author Date Change | sbyrne 20 Apr 90 Added SystemDictionary debug to help out with | DBX level debugging. | | sbyrne 15 Apr 90 Added sqrt primitive (I'm sure this was here before) | must have got lost during breaking out from builtins. | | sbyrne 7 Apr 90 Added declare tracing primitive. | | sbyrne 13 Jan 90 Experimental Class self-definition. | | sbyrne 19 Dec 89 Added filein primitive. | | sbyrne 12 Aug 89 Added process and semaphore builtins. | | sbyrne 6 Feb 89 Created. | " !Integer methodsFor: 'built ins'! + arg <primitive: 1> ^self retry: #+ coercing: arg ! - arg <primitive: 2> ^self retry: #- coercing: arg ! < arg <primitive: 3> ^self retry: #< coercing: arg ! > arg <primitive: 4> ^self retry: #> coercing: arg ! <= arg <primitive: 5> ^self retry: #<= coercing: arg ! >= arg <primitive: 6> ^self retry: #>= coercing: arg ! = arg <primitive: 7> ^self retry: #= coercing: arg ! ~= arg <primitive: 8> ^self retry: #~= coercing: arg ! * arg <primitive: 9> ^self retry: #* coercing: arg ! / arg <primitive: 10> ^self retry: #/ coercing: arg ! \\ arg <primitive: 11> ^self retry: #\\ coercing: arg ! // arg <primitive: 12> ^self retry: #// coercing: arg ! quo: arg <primitive: 13> ^self retry: #quo: coercing: arg ! bitAnd: arg <primitive: 14> ! bitOr: arg <primitive: 15> ! bitXor: arg <primitive: 16> ! bitShift: arg <primitive: 17> ! asFloat <primitive: 40> ! asObject <primitive: 76> self primitiveFailed ! asObjectNoFail <primitive: 76> !! !Float methodsFor: 'built ins'! + arg <primitive: 41> ^self retry: #+ coercing: arg ! - arg <primitive: 42> ^self retry: #- coercing: arg ! < arg <primitive: 43> ^self retry: #< coercing: arg ! > arg <primitive: 44> ^self retry: #> coercing: arg ! <= arg <primitive: 45> ^self retry: #<= coercing: arg ! >= arg <primitive: 46> ^self retry: #>= coercing: arg ! = arg <primitive: 47> ^self retry: #= coercing: arg ! ~= arg <primitive: 48> ^self retry: #~= coercing: arg ! * arg <primitive: 49> ^self retry: #* coercing: arg ! / arg <primitive: 50> ^self retry: #/ coercing: arg ! truncated <primitive: 51> ! fractionPart <primitive: 52> ! exponent <primitive: 53> ! timesTwoPower: arg <primitive: 54> ! exp <primitive: 160> ! ln <primitive: 161> ! raisedTo: aNumber <primitive: 164> ^self retry: #raisedTo: coercing: aNumber ! sqrt <primitive: 166> ^self error: 'Primitive Sqrt failed!!!' ! ceiling <primitive: 168> ! floor <primitive: 169> ! sin <primitive: 176> ! cos <primitive: 177> ! tan <primitive: 178> ! arcSin <primitive: 179> ! arcCos <primitive: 180> ! arcTan <primitive: 181> !! !Object methodsFor: 'built ins'! at: index <primitive: 60> ! basicAt: index <primitive: 60> ! at: index put: value <primitive: 61> ! basicAt: index put: value <primitive: 61> ! size <primitive: 62> ! basicSize <primitive: 62> ! become: otherObject <primitive: 72> ! instVarAt: index <primitive: 73> ^self primitiveFailed ! instVarAt: index put: value <primitive: 74> ^self primitiveFailed ! asOop <primitive: 75> ! hash <primitive: 75> ! nextInstance <primitive: 78> ^nil ! perform: selector <primitive: 83> ! perform: selector with: arg1 <primitive: 83> ! perform: selector with: arg1 with: arg2 <primitive: 83> ! perform: selector with: arg1 with: arg2 with: arg3 <primitive: 83> ! perform: selector withArguments: argumentsArray <primitive: 84> ! == arg <primitive: 110> ! = arg "The equality test is by default the same as that for equal objects" <primitive: 110> ! class <primitive: 111> self primitiveFailed ! doesNotUnderstand: message <primitive: 130> ! error: message <primitive: 131> ! basicPrint <primitive: 252> ! "### look these messages up to be sure" primitiveFailed self error: 'primitive operation failed' ! shouldNotImplement self error: 'should not implement' ! subclassResponsibility self error: 'the method is the responsibility of the subclass' ! notYetImplemented self error: 'not yet implemented' !! !SystemDictionary methodsFor: 'builtins'! quitPrimitive <primitive: 113> self primitiveFailed ! monitor: aBoolean <primitive: 230> self primitiveFailed ! backtrace "Prints the method invocation stack backtrace, as an aid to debugging" <primitive: 140> self primitiveFailed ! executionTrace: aBoolean <primitive: 141> self primitiveFailed ! declarationTrace: aBoolean <primitive: 142> self primitiveFailed ! snapshot <primitive: 250> ! snapshot: aString <primitive: 251> ! gcMessage: aBoolean <primitive: 231> ! debug "for DBX. Set breakpoint in debug() and invoke this primitive near where you want to stop" <primitive: 232> ! verboseTrace: aBoolean <primitive: 233> !! !Behavior methodsFor: 'built ins'! new <primitive: 70> ! basicNew <primitive: 70> ! new: numInstanceVariables <primitive: 71> ! basicNew: numInstanceVariables <primitive: 71> ! someInstance <primitive: 77> ^nil "return nil on failure" ! makeDescriptorFor: funcNameString returning: returnTypeSymbol withArgs: argsArray <primitive: 249> ^self primitiveFailed ! compileString: aString <primitive: 253> ^self primitiveFailed !! !CompiledMethod class methodsFor: 'built ins'! newMethod: numBytecodes header: anInteger <primitive: 79> ^self primitiveFailed !! !CompiledMethod methodsFor: 'built ins'! objectAt: index <primitive: 68> ^self primitiveFailed ! objectAt: index put: value <primitive: 69> ^self primitiveFailed !! !MethodContext methodsFor: 'built ins'! " Note: the name for this class in the book is 'ContextPart' " blockCopy: block <primitive: 80> !! !BlockContext methodsFor: 'built ins'! blockCopy: block <primitive: 80> ! value <primitive: 81> ! value: arg1 <primitive: 81> ! value: arg1 value: arg2 <primitive: 81> ! value: arg1 value: arg2 value: arg3 <primitive: 81> ! valueWithArguments: argArray <primitive: 82> !! !ArrayedCollection methodsFor: 'built ins'! size <primitive: 62> !! !String methodsFor: 'built ins'! size <primitive: 62> ! at: index <primitive: 63> ! basicAt: index <primitive: 63> ! at: index put: value <primitive: 64> ! basicAt: index put: value <primitive: 64> !! !Symbol class methodsFor: 'built ins'! intern: aString <primitive: 134> ^self error: 'Attempted to intern non-string' !! !Symbol methodsFor: 'built ins'! hash <primitive: 75> !! !Character class methodsFor: 'built ins'! value: anInteger "Returns the character object corresponding to anInteger. Error if anInteger is not an integer, or not in 0..255." <primitive: 132> ^self error: 'invalid argument type or integer out of range' !! !Character methodsFor: 'built ins'! = char "Boolean return value; true if the characters are equal" <primitive: 110> ! asciiValue "Returns the integer value corresponding to self" <primitive: 133> !! !Dictionary class methodsFor: 'built ins'! new <primitive: 135> !! !Dictionary methodsFor: 'built ins'! at: key <primitive: 128> ! at: key put: value <primitive: 129> !! !FileStream methodsFor: 'built ins'! fileOp: ioFuncIndex <primitive: 254> ^self error: 'FileStream primitive operation failed' ! fileOp: ioFuncIndex with: arg1 <primitive: 254> ^self error: 'FileStream primitive operation failed' ! fileOp: ioFuncIndex with: arg1 with: arg2 <primitive: 254> ^self error: 'FileStream primitive operation failed' ! fileIn <primitive: 247> ^self error: 'fileIn failed!!!' !! !Memory class methodsFor: 'basic'! addressOfOOP: anObject "Returns the address of the OOP for anObject" <primitive: 138> ! addressOf: anObject "Returns the address of the actual object that anObject references" <primitive: 139> !! !ByteMemory class methodsFor: 'basic'! at: address "Returns the byte at address as an integer" <primitive: 136> ! at: address put: value "Sets the byte at ADDRESS (an integer) to be VALUE (INTEGER 0..255)" <primitive: 137> !! !Time class methodsFor: 'builtins'! secondClock <primitive: 98> ^self primitiveFailed ! millisecondClock <primitive: 99> ^self primitiveFailed !! !Process methodsFor: 'builtins'! resume <primitive: 87> ^self primitiveFailed ! suspend <primitive: 88> ^self primitiveFailed !! !Semaphore methodsFor: 'builtins'! "communication" signal <primitive: 85> ^self primitiveFailed ! wait <primitive: 86> ^self primitiveFailed !! !ClassDescription methodsFor: 'builtins'! comment: aString <primitive: 143> "This method is present so that comment declarations can always work, even before the real method is defined." !! !Class methodsFor: 'builtins'! "These are stubs...they will be replaced with the appropriate class from Class.st. These allow for Smalltalk type class declarations of the built-in classes, so that they may be edited and modified. This mostly present to allow for future enhancement in which the Smalltalk source files take a more active role in the definition of the system, and the C definition of the classes diminishes in importance." subclass: classNameString instanceVariableNames: stringInstVarNames classVariableNames: stringOfClassVarNames poolDictionaries: stringOfPoolNames category: categoryNameString ^nil ! variableSubclass: classNameString instanceVariableNames: stringInstVarNames classVariableNames: stringOfClassVarNames poolDictionaries: stringOfPoolNames category: categoryNameString ^nil ! variableWordSubclass: classNameString instanceVariableNames: stringInstVarNames classVariableNames: stringOfClassVarNames poolDictionaries: stringOfPoolNames category: categoryNameString ^nil ! variableByteSubclass: classNameString instanceVariableNames: stringInstVarNames classVariableNames: stringOfClassVarNames poolDictionaries: stringOfPoolNames category: categoryNameString ^nil !!