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The Trunk: Help-Squeak-TerseGuide-tpr.10.mcz
by commits＠source.squeak.org 04 Jun '18

04 Jun '18

tim Rowledge uploaded a new version of Help-Squeak-TerseGuide to project The Trunk: http://source.squeak.org/trunk/Help-Squeak-TerseGuide-tpr.10.mcz ==================== Summary ==================== Name: Help-Squeak-TerseGuide-tpr.10 Author: tpr Time: 3 June 2018, 5:25:04.482635 pm UUID: d2f12934-00fe-46ab-956d-1713d75fed37 Ancestors: Help-Squeak-TerseGuide-tpr.9 Cleanups for more Help info =============== Diff against Help-Squeak-TerseGuide-tpr.9 =============== Item was changed: ----- Method: TerseGuideHelp class>>arithmetic (in category 'pages') ----- arithmetic "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #arithmetic" ^HelpTopic + title: 'Arithmetic Expressions' + contents: + '| x | "declare the temporary variable ''x''" - title: 'Arithmetic Expressions' - contents: - - '"************************************************************************ - * Arithmetic expressions: * - ************************************************************************" - | x | x := 6 + 3. "addition" x := 6 - 3. "subtraction" x := 6 * 3. "multiplication" x := 1 + 2 * 3. "evaluation always left to right (1 + 2) * 3" x := 5 / 3. "division with fractional result" x := 5.0 / 3.0. "division with float result" x := 5.0 // 3.0. "integer divide" x := 5.0 \\ 3.0. "integer remainder" x := -5. "unary minus" x := 5 sign. "numeric sign (1, -1 or 0)" x := 5 negated. "negate receiver" x := 1.2 integerPart. "integer part of number (1.0)" x := 1.2 fractionPart. "fractional part of number (0.2)" x := 5 reciprocal. "reciprocal function" x := 6 * 3.1. "auto convert to float" x := 5 squared. "square function" x := 25 sqrt. "square root" x := 5 raisedTo: 2. "power function" x := 5 raisedToInteger: 2. "power function with integer" x := 5 exp. "exponential" x := -5 abs. "absolute value" x := 3.99 rounded. "round" x := 3.99 truncated. "truncate" x := 3.99 roundTo: 1. "round to specified decimal places" x := 3.99 truncateTo: 1. "truncate to specified decimal places" x := 3.99 floor. "truncate" x := 3.99 ceiling. "round up" x := 5 factorial. "factorial" x := -5 quo: 3. "integer divide rounded toward zero" x := -5 rem: 3. "integer remainder rounded toward zero" x := 28 gcd: 12. "greatest common denominator" x := 28 lcm: 12. "least common multiple" x := 100 ln. "natural logarithm" x := 100 log. "base 10 logarithm" x := 100 log: 10 . "logarithm with specified base" x := 100 floorLog: 10. "floor of the log" x := 180 degreesToRadians. "convert degrees to radians" x := 3.14 radiansToDegrees. "convert radians to degrees" x := 0.7 sin. "sine" x := 0.7 cos. "cosine" x := 0.7 tan. "tangent" x := 0.7 arcSin. "arcsine" x := 0.7 arcCos. "arccosine" x := 0.7 arcTan. "arctangent" x := 10 max: 20. "get maximum of two numbers" x := 10 min: 20. "get minimum of two numbers" x := Float pi. "pi" x := Float e. "exp constant" x := Float infinity. "infinity" x := Float nan. "not-a-number" x := Random new next; yourself. x next. "random number stream (0.0 to 1.0)" x := 100 atRandom. "quick random number" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>array (in category 'pages') ----- array "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #array" ^HelpTopic + title: 'Array' + contents: + '"Array: Fixed length collection + ByteArray: Array limited to byte elements (0-255) + WordArray: Array limited to word elements (0-2^32) + " - title: 'Array' - contents: - - '"************************************************************************ - * Array: Fixed length collection * - * ByteArray: Array limited to byte elements (0-255) * - * WordArray: Array limited to word elements (0-2^32) * - ************************************************************************" | b x y sum max | x := #(4 3 2 1). "constant array" x := Array with: 5 with: 4 with: 3 with: 2. "create array with up to 4 elements" x := Array new: 4. "allocate an array with specified size" x "set array elements" at: 1 put: 5; at: 2 put: 4; at: 3 put: 3; at: 4 put: 2. b := x isEmpty. "test if array is empty" y := x size. "array size" y := x at: 4. "get array element at index" b := x includes: 3. "test if element is in array" y := x copyFrom: 2 to: 4. "subarray" y := x indexOf: 3 ifAbsent: [0]. "first position of element within array" y := x occurrencesOf: 3. "number of times object in collection" x do: [:a | Transcript show: a printString; cr]. "iterate over the array" b := x allSatisfy: [:a | (a >= 1) & (a <= 4)]. "test if all elements meet condition" y := x select: [:a | a > 2]. "return collection of elements that pass test" y := x reject: [:a | a < 2]. "return collection of elements that fail test" y := x collect: [:a | a + a]. "transform each element for new collection" y := x detect: [:a | a > 3] ifNone: []. "return first element that passes test" y := x findFirst: [:a | a < 3]. "find position of first element that passes test" sum := 0. x do: [:a | sum := sum + a]. sum. "sum array elements" sum := 0. 1 to: (x size) do: [:a | sum := sum + (x at: a)]. "sum array elements" sum := x inject: 0 into: [:a :c | a + c]. "sum array elements" max := x inject: 0 into: [:a :c | (a > c) "find max element in array" ifTrue: [a] ifFalse: [c]]. y := x shuffled. "randomly shuffle collection" y := x asArray. "convert to array" y := x asByteArray. "convert to byte array" y := x asWordArray. "convert to word array" y := x asOrderedCollection. "convert to ordered collection" y := x asSortedCollection. "convert to sorted collection" y := x asBag. "convert to bag collection" y := x asSet. "convert to set collection" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>assignment (in category 'pages') ----- assignment "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #assignment" ^HelpTopic + title: 'Assignment' + contents: + '| x y z | + "x _ 4. " "older assignment style, Squeak used to repurpose the underscore to a left-arrow glyph <-" - title: 'Assignment' - contents: - - '"************************************************************************ - * Assignment: * - ************************************************************************" - | x y z | - x _ 4. "assignment (Squeak) <-" x := 5. "assignment" x := y := z := 6. "compound assignment" x := (y := 6) + 1. x := Object new. "bind to allocated instance of a class" x := 123 class. "discover the object class" x := Integer superclass. "discover the superclass of a class" x := Object allInstances. "get an array of all instances of a class" x := Integer allSuperclasses. "get all superclasses of a class" x := 1.2 hash. "hash value for object" y := x copy. "copy object" y := x shallowCopy. "copy object (not overridden)" y := x deepCopy. "copy object and instance vars" y := x veryDeepCopy. "complete tree copy using a dictionary" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>association (in category 'pages') ----- association "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #association" ^HelpTopic + title: 'Association' + contents: + '| x y | - title: 'Association' - contents: - - '"************************************************************************ - * Associations: * - ************************************************************************" - | x y | x := #myVar->''hello''. y := x key. y := x value. + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>bag (in category 'pages') ----- bag "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #bag" ^HelpTopic + title: 'Bag' + contents: + '"Bag: like OrderedCollection except elements are in no particular order + " - title: 'Bag' - contents: - - '"************************************************************************ - * Bag: like OrderedCollection except elements are in no * - * particular order * - ************************************************************************" | b x y sum max | x := Bag with: 4 with: 3 with: 2 with: 1. "create collection with up to 4 elements" x := Bag new. "allocate collection" x add: 4; add: 3; add: 1; add: 2; yourself. "add element to collection" x add: 3 withOccurrences: 2. "add multiple copies to collection" y := x addAll: #(7 8 9). "add multiple elements to collection" y := x removeAll: #(7 8 9). "remove multiple elements from collection" y := x remove: 4 ifAbsent: []. "remove element from collection" b := x isEmpty. "test if empty" y := x size. "number of elements" b := x includes: 3. "test if element is in collection" y := x occurrencesOf: 3. "number of times object in collection" x do: [:a | Transcript show: a printString; cr]. "iterate over the collection" b := x allSatisfy: [:a | (a >= 1) & (a <= 4)]. "test if all elements meet condition" y := x select: [:a | a > 2]. "return collection of elements that pass test" y := x reject: [:a | a < 2]. "return collection of elements that fail test" y := x collect: [:a | a + a]. "transform each element for new collection" y := x detect: [:a | a > 3] ifNone: []. "return first element that passes test" sum := 0. x do: [:a | sum := sum + a]. sum. "sum elements" sum := x inject: 0 into: [:a :c | a + c]. "sum elements" max := x inject: 0 into: [:a :c | (a > c) "find max element in collection" ifTrue: [a] ifFalse: [c]]. y := x asOrderedCollection. "convert to ordered collection" y := x asSortedCollection. "convert to sorted collection" y := x asBag. "convert to bag collection" y := x asSet. "convert to set collection" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>bitwise (in category 'pages') ----- bitwise "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #bitwise" ^HelpTopic + title: 'Bitwise Manipulation' + contents: + '| b x | - title: 'Bitwise Manipulation' - contents: - - '"************************************************************************ - * Bitwise Manipulation: * - ************************************************************************" - | b x | x := 16rFF bitAnd: 16r0F. "and bits" x := 16rF0 bitOr: 16r0F. "or bits" x := 16rFF bitXor: 16r0F. "xor bits" x := 16rFF bitInvert. "invert bits" x := 16r0F bitShift: 4. "left shift" x := 16rF0 bitShift: -4. "right shift" x := 16r80 bitAt: 8. "bit at position (0|1)" x := 16r80 highBit. "position of highest bit set" b := 16rFF allMask: 16r0F. "test if all bits set in mask set in receiver" b := 16rFF anyMask: 16r0F. "test if any bits set in mask set in receiver" b := 16rFF noMask: 16r0F. "test if all bits set in mask clear in receiver" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>block (in category 'pages') ----- block "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #block" ^HelpTopic + title: 'Blocks' + contents: + '"Blocks: + - blocks are objects and may be assigned to a variable + - value is last expression evaluated unless explicit return + - blocks may be nested + - specification - + [ arguments | | localvars | expressions ] + - ^expression terminates block & method (exits all nested blocks) + - blocks intended for long term storage should not contain ^ + " - title: 'Blocks' - contents: - - '"************************************************************************ - * Blocks: * - * - blocks are objects and may be assigned to a variable * - * - value is last expression evaluated unless explicit return * - * - blocks may be nested * - * - specification [ arguments | | localvars | expressions ] * - * - ^expression terminates block & method (exits all nested blocks) * - * - blocks intended for long term storage should not contain ^ * - ************************************************************************" | x y z fac | + x := [ y := 1. z := 2. ]. + x value. "simple block usage" - x := [ y := 1. z := 2. ]. x value. "simple block usage" x := [ :argOne :argTwo | argOne, '' and '' , argTwo.]. "set up block with argument passing" Transcript show: (x value: ''First'' value: ''Second''); cr. "use block with argument passing" x := [:e | | v | v := 1. e + v] value: 2. "localvar in a block" fac := [ :n | n > 1 ifTrue: [n * (fac value: n-1)] ifFalse: [1]]. "closure on block variable" fac value: 5. "closure variable scoped to its block" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>boolean (in category 'pages') ----- boolean "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #boolean" ^HelpTopic + title: 'Boolean' + contents: + '| b x y | - title: 'Boolean' - contents: - - '"************************************************************************ - * Booleans: * - ************************************************************************" - | b x y | x := 1. y := 2. b := (x = y). "equals" b := (x ~= y). "not equals" b := (x == y). "identical" b := (x ~~ y). "not identical" b := (x > y). "greater than" b := (x < y). "less than" b := (x >= y). "greater than or equal" b := (x <= y). "less than or equal" b := b not. "boolean not" b := (x < 5) & (y > 1). "boolean and" b := (x < 5) | (y > 1). "boolean or" b := (x < 5) and: [y > 1]. "boolean and (short-circuit)" b := (x < 5) or: [y > 1]. "boolean or (short-circuit)" b := (x < 5) eqv: (y > 1). "test if both true or both false" b := (x < 5) xor: (y > 1). "test if one true and other false" b := 5 between: 3 and: 12. "between (inclusive)" b := 123 isKindOf: Number. "test if object is class or subclass of" b := 123 isMemberOf: SmallInteger. "test if object is type of class" b := 123 respondsTo: #sqrt. "test if object responds to message" b := x isNil. "test if object is nil" b := x isZero. "test if number is zero" b := x positive. "test if number is positive" b := x strictlyPositive. "test if number is greater than zero" b := x negative. "test if number is negative" b := x even. "test if number is even" b := x odd. "test if number is odd" b := x isLiteral. "test if literal constant" b := x isInteger. "test if object is integer" b := x isFloat. "test if object is float" b := x isNumber. "test if object is number" b := $A isUppercase. "test if upper case character" b := $A isLowercase. "test if lower case character" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>character (in category 'pages') ----- character "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #character" ^HelpTopic + title: 'Character' + contents: + '| x y b | - title: 'Character' - contents: - - '"************************************************************************ - * Character: * - ************************************************************************" - | x y b | x := $A. "character assignment" y := x isLowercase. "test if lower case" y := x isUppercase. "test if upper case" y := x isLetter. "test if letter" y := x isDigit. "test if digit" y := x isAlphaNumeric. "test if alphanumeric" y := x isSeparator. "test if seperator char" y := x isVowel. "test if vowel" y := x digitValue. "convert to numeric digit value" y := x asLowercase. "convert to lower case" y := x asUppercase. "convert to upper case" y := x asciiValue. "convert to numeric ascii value" y := x asString. "convert to string" b := $A <= $B. "comparison" y := $A max: $B. + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>conditionalStatement (in category 'pages') ----- conditionalStatement "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #conditionalStatement" ^HelpTopic + title: 'Conditional Statement' + contents: + '| x switch result | - title: 'Conditional Statement' - contents: - - '"************************************************************************ - * Conditional Statements: * - ************************************************************************" - | x switch result | x := 11. x > 10 ifTrue: [Transcript show: ''ifTrue''; cr]. "if then" x > 10 ifFalse: [Transcript show: ''ifFalse''; cr]. "if else" x > 10 "if then else" ifTrue: [Transcript show: ''ifTrue''; cr] ifFalse: [Transcript show: ''ifFalse''; cr]. x > 10 "if else then" ifFalse: [Transcript show: ''ifFalse''; cr] ifTrue: [Transcript show: ''ifTrue''; cr]. Transcript show: (x > 10 ifTrue: [''ifTrue''] ifFalse: [''ifFalse'']); cr. Transcript "nested if then else" show: (x > 10 ifTrue: [x > 5 ifTrue: [''A''] ifFalse: [''B'']] ifFalse: [''C'']); cr. switch := Dictionary new. "switch functionality" switch at: $A put: [Transcript show: ''Case A''; cr]. switch at: $B put: [Transcript show: ''Case B''; cr]. switch at: $C put: [Transcript show: ''Case C''; cr]. result := (switch at: $B) value. + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>constants (in category 'pages') ----- constants "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #constants" ^HelpTopic + title: 'Constants' + contents: + '| b x | - title: 'Constants' - contents: - - '"************************************************************************ - * Constants: * - ************************************************************************" - | b x | b := true. "true constant" b := false. "false constant" x := nil. "nil object constant" x := 1. "integer constants" x := 3.14. "float constants" x := 2e-2. "fractional constants" x := 16r0F. "hex constant". x := -1. "negative constants" x := ''Hello''. "string constant" x := ''I''''m here''. "single quote escape" x := $A. "character constant" x := $ . "character constant (space)" x := #aSymbol. "symbol constants" x := #(3 2 1). "array constants" x := #(''abc'' 2 $a). "mixing of types allowed" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>conversion (in category 'pages') ----- conversion "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #conversion" ^HelpTopic + title: 'Conversion' + contents: + '| x | - title: 'Conversion' - contents: - - '"************************************************************************ - * Conversion: * - ************************************************************************" - | x | x := 3.99 asInteger. "convert number to integer (truncates in Squeak)" x := 3.99 asFraction. "convert number to fraction" x := 3 asFloat. "convert number to float" x := 65 asCharacter. "convert integer to character" x := $A asciiValue. "convert character to integer" x := 3.99 printString. "convert object to string via printOn:" x := 3.99 storeString. "convert object to string via storeOn:" x := 15 radix: 16. "convert to string in given base" x := 15 printStringBase: 16. x := 15 storeStringBase: 16. + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>date (in category 'pages') ----- date "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #date" ^HelpTopic + title: 'Date' + contents: + '| x y b | - title: 'Date' - contents: - - '"************************************************************************ - * Date: * - ************************************************************************" - | x y b | x := Date today. "create date for today" x := Date dateAndTimeNow. "create date from current time/date" x := Date readFromString: ''01/02/1999''. "create date from formatted string" x := Date newDay: 12 month: #July year: 1999. "create date from parts" x := Date fromDays: 36000. "create date from elapsed days since 1/1/1901" y := Date dayOfWeek: #Monday. "day of week as int (1-7)" y := Date indexOfMonth: #January. "month of year as int (1-12)" y := Date daysInMonth: 2 forYear: 1996. "day of month as int (1-31)" y := Date daysInYear: 1996. "days in year (365|366)" y := Date nameOfDay: 1. "weekday name (#Monday,...)" y := Date nameOfMonth: 1. "month name (#January,...)" y := Date leapYear: 1996. "1 if leap year; 0 if not leap year" y := x weekday. "day of week (#Monday,...)" y := x previous: #Monday. "date for previous day of week" y := x dayOfMonth. "day of month (1-31)" y := x day. "day of year (1-366)" y := x firstDayOfMonth. "day of year for first day of month" y := x monthName. "month of year (#January,...)" y := x monthIndex. "month of year (1-12)" y := x daysInMonth. "days in month (1-31)" y := x year. "year (19xx)" y := x daysInYear. "days in year (365|366)" y := x daysLeftInYear. "days left in year (364|365)" y := x asSeconds. "seconds elapsed since 1/1/1901" y := x addDays: 10. "add days to date object" y := x subtractDays: 10. "subtract days to date object" y := x subtractDate: (Date today). "subtract date (result in days)" y := x printFormat: #(2 1 3 $/ 1 1). "print formatted date" b := (x <= Date today). "comparison" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>debugging (in category 'pages') ----- debugging "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #debugging" ^HelpTopic + title: 'Debugging' + contents: + '| a b x | - title: 'Debugging' - contents: - - '"************************************************************************ - * debugging: * - ************************************************************************" - | a b x | x := Object new. x yourself. "returns receiver" String browse. "browse specified class" x inspect. "open object inspector window" x confirm: ''Is this correct?''. x halt. "breakpoint to open debugger window" x halt: ''Halt message''. x notify: ''Notify text''. x error: ''Error string''. "open up error window with title" x shouldNotImplement. "flag message should not be implemented" x subclassResponsibility. "flag message as abstract" x errorImproperStore. "flag an improper store into indexable object" x errorNonIntegerIndex. "flag only integers should be used as index" x errorSubscriptBounds: 13. "flag subscript out of bounds" x primitiveFailed. "system primitive failed" a := ''A1''. b := ''B2''. a become: b. "switch two objects" Transcript show: a, b; cr. x doesNotUnderstand: (Message selector: #foo). "flag message is not handled" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>dictionary (in category 'pages') ----- dictionary "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #dictionary" ^HelpTopic + title: 'Dictionary' + contents: + '"Dictionary: a collection of keys matched to values + IdentityDictionary: uses identity test (== rather than =) to decide if an element already exists in the collection + " - title: 'Dictionary' - contents: - - '"************************************************************************ - * Dictionary: * - * IdentityDictionary: uses identity test (== rather than =) * - ************************************************************************" | b x y sum max | x := Dictionary new. "allocate collection" x add: #a->4; add: #b->3; add: #c->1; add: #d->2; yourself. "add element to collection" x at: #e put: 3. "set element at index" b := x isEmpty. "test if empty" y := x size. "number of elements" y := x at: #a ifAbsent: []. "retrieve element at index" y := x keyAtValue: 3 ifAbsent: []. "retrieve key for given value with error block" y := x removeKey: #e ifAbsent: []. "remove element from collection" b := x includes: 3. "test if element is in values collection" b := x includesKey: #a. "test if element is in keys collection" y := x occurrencesOf: 3. "number of times object in collection" y := x keys. "set of keys" y := x values. "bag of values" x do: [:a | Transcript show: a printString; cr]. "iterate over the values collection" x keysDo: [:a | Transcript show: a printString; cr]. "iterate over the keys collection" x associationsDo: [:a | Transcript show: a printString; cr]. "iterate over the associations" x keysAndValuesDo: [:aKey :aValue | Transcript "iterate over keys and values" show: aKey printString; space; show: aValue printString; cr]. b := x allSatisfy: [:a | (a >= 1) & (a <= 4)]. "test if all elements meet condition" y := x select: [:a | a > 2]. "return collection of elements that pass test" y := x reject: [:a | a < 2]. "return collection of elements that fail test" y := x collect: [:a | a + a]. "transform each element for new collection" y := x detect: [:a | a > 3] ifNone: []. "return first element that passes test" sum := 0. x do: [:a | sum := sum + a]. sum. "sum elements" sum := x inject: 0 into: [:a :c | a + c]. "sum elements" max := x inject: 0 into: [:a :c | (a > c) "find max element in collection" ifTrue: [a] ifFalse: [c]]. y := x asArray. "convert to array" y := x asOrderedCollection. "convert to ordered collection" y := x asSortedCollection. "convert to sorted collection" y := x asBag. "convert to bag collection" y := x asSet. "convert to set collection" Smalltalk at: #CMRGlobal put: ''CMR entry''. "put global in Smalltalk Dictionary" x := Smalltalk at: #CMRGlobal. "read global from Smalltalk Dictionary" Transcript show: (CMRGlobal printString). "entries are directly accessible by name" Smalltalk keys do: [ :k | "print out all classes" ((Smalltalk at: k) isKindOf: Class) ifFalse: [Transcript show: k printString; cr]]. Smalltalk at: #CMRDictionary put: (Dictionary new). "set up user defined dictionary" CMRDictionary at: #MyVar1 put: ''hello1''. "put entry in dictionary" CMRDictionary add: #MyVar2->''hello2''. "add entry to dictionary use key->value combo" CMRDictionary size. "dictionary size" CMRDictionary keys do: [ :k | "print out keys in dictionary" Transcript show: k printString; cr]. CMRDictionary values do: [ :k | "print out values in dictionary" Transcript show: k printString; cr]. CMRDictionary keysAndValuesDo: [:aKey :aValue | "print out keys and values" Transcript show: aKey printString; space; show: aValue printString; cr]. CMRDictionary associationsDo: [:aKeyValue | "another iterator for printing key values" Transcript show: aKeyValue printString; cr]. Smalltalk removeKey: #CMRGlobal ifAbsent: []. "remove entry from Smalltalk dictionary" Smalltalk removeKey: #CMRDictionary ifAbsent: []. "remove user dictionary from Smalltalk dictionary" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>dynamic (in category 'pages') ----- dynamic "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #dynamic" ^HelpTopic + title: 'Dynamic Message Calling/Compiling' + contents: + '| receiver message result argument keyword1 keyword2 argument1 argument2 | + "unary messages" - title: 'Dynamic Message Calling/Compiling' - contents: - - '"************************************************************************ - * Dynamic Message Calling/Compiling: * - ************************************************************************" - | receiver message result argument keyword1 keyword2 argument1 argument2 | - "unary message" receiver := 5. message := ''factorial'' asSymbol. result := receiver perform: message. result := Compiler evaluate: ((receiver storeString), '' '', message). result := (Message new setSelector: message arguments: #()) sentTo: receiver. + "binary messages" - "binary message" receiver := 1. message := ''+'' asSymbol. argument := 2. result := receiver perform: message withArguments: (Array with: argument). result := Compiler evaluate: ((receiver storeString), '' '', message, '' '', (argument storeString)). result := (Message new setSelector: message arguments: (Array with: argument)) sentTo: receiver. "keyword messages" receiver := 12. keyword1 := ''between:'' asSymbol. keyword2 := ''and:'' asSymbol. argument1 := 10. argument2 := 20. result := receiver perform: (keyword1, keyword2) asSymbol withArguments: (Array with: argument1 with: argument2). result := Compiler evaluate: ((receiver storeString), '' '', keyword1, (argument1 storeString) , '' '', keyword2, (argument2 storeString)). result := (Message new setSelector: (keyword1, keyword2) asSymbol arguments: (Array with: argument1 with: argument2)) sentTo: receiver. + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>exceptionHandling (in category 'pages') ----- exceptionHandling "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #exceptionHandling" ^HelpTopic + title: 'Exception Handling' + contents: + '| x | - title: 'Exception Handling' - contents: - - '"************************************************************************ - * Exceptions: * - ************************************************************************" - | x | x := Object new. x error: ''Throwing an error''. NotFound signal. "simply throwing a specific exception" NotFound signal: ''Throwing with a message''. "throwing an exception with a custom text" x := [ 5 / 0 ] "simple exception handler" on: ZeroDivide do: [ 10 ]. x := [ 5 / 0 ] "processing the exception in an exception handler" on: Error do: [:e | Transcript showln: e printString ]. x := [ 5 / 0 ] "different exception handlers for the same block" on: ZeroDivide do: [ 10 ] on: MessageNotUnderstood do: [ 20 ]. x := [ 5 / 0 ] "one exception handler for two different exceptions" on: ZeroDivide , ArithmeticError do: [ 10 ]. + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>fileStream (in category 'pages') ----- fileStream "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #fileStream" ^HelpTopic + title: 'File Stream' + contents: + '| b x ios | - title: 'File Stream' - contents: - - '"************************************************************************ - * FileStream: * - ************************************************************************" - | b x ios | ios := FileStream newFileNamed: ''ios.txt''. ios nextPut: $H; cr. ios nextPutAll: ''Hello File''; cr. ''Hello File'' printOn: ios. ''Hello File'' storeOn: ios. ios close. ios := FileStream oldFileNamed: ''ios.txt''. [(x := ios nextLine) notNil] whileTrue: [Transcript show: x; cr]. ios position: 3. x := ios position. x := ios next. x := ios peek. b := ios atEnd. ios close. + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>internalStream (in category 'pages') ----- internalStream "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #internalStream" ^HelpTopic + title: 'Internal Stream' + contents: + '| b x ios | - title: 'Internal Stream' - contents: - - '"************************************************************************ - * Internal Stream: * - ************************************************************************" - | b x ios | ios := ReadStream on: ''Hello read stream''. ios := ReadStream on: ''Hello read stream'' from: 1 to: 5. [(x := ios nextLine) notNil] whileTrue: [Transcript show: x; cr]. ios position: 3. ios position. x := ios next. x := ios peek. x := ios contents. b := ios atEnd. ios := ReadWriteStream on: ''Hello read stream''. ios := ReadWriteStream on: ''Hello read stream'' from: 1 to: 5. ios := ReadWriteStream with: ''Hello read stream''. ios := ReadWriteStream with: ''Hello read stream'' from: 1 to: 10. ios position: 0. [(x := ios nextLine) notNil] whileTrue: [Transcript show: x; cr]. ios position: 6. ios position. ios nextPutAll: ''Chris''. x := ios next. x := ios peek. x := ios contents. b := ios atEnd. + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>interval (in category 'pages') ----- interval "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #interval" ^HelpTopic + title: 'Interval' + contents: + '| b x y sum max | - title: 'Interval' - contents: - - '"************************************************************************ - * Interval: * - ************************************************************************" - | b x y sum max | x := Interval from: 5 to: 10. "create interval object" x := 5 to: 10. x := Interval from: 5 to: 10 by: 2. "create interval object with specified increment" x := 5 to: 10 by: 2. b := x isEmpty. "test if empty" y := x size. "number of elements" x includes: 9. "test if element is in collection" x do: [:k | Transcript show: k printString; cr]. "iterate over interval" b := x allSatisfy: [:a | (a >= 1) & (a <= 4)]. "test if all elements meet condition" y := x select: [:a | a > 7]. "return collection of elements that pass test" y := x reject: [:a | a < 2]. "return collection of elements that fail test" y := x collect: [:a | a + a]. "transform each element for new collection" y := x detect: [:a | a > 3] ifNone: []. "return first element that passes test" y := x findFirst: [:a | a > 6]. "find position of first element that passes test" sum := 0. x do: [:a | sum := sum + a]. sum. "sum elements" sum := 0. 1 to: (x size) do: [:a | sum := sum + (x at: a)]. "sum elements" sum := x inject: 0 into: [:a :c | a + c]. "sum elements" max := x inject: 0 into: [:a :c | (a > c) "find max element in collection" ifTrue: [a] ifFalse: [c]]. y := x asArray. "convert to array" y := x asOrderedCollection. "convert to ordered collection" y := x asSortedCollection. "convert to sorted collection" y := x asBag. "convert to bag collection" y := x asSet. "convert to set collection" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>introduction (in category 'pages') ----- introduction "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #introduction" ^HelpTopic + title: 'General' + contents: + 'Allowable characters: + - a-z + - A-Z + - 0-9 + - .+/\*~<>@%|&? + - blank, tab, cr, ff, lf - title: 'General' - contents: + Variables: + - variables must be declared before use + - shared vars must begin with uppercase + - local vars must begin with lowercase + - reserved names: nil, true, false, self, super, and Smalltalk - '"************************************************************************ - * Allowable characters: * - * - a-z * - * - A-Z * - * - 0-9 * - * - .+/\*~<>@%|&? * - * - blank, tab, cr, ff, lf * - * * - * Variables: * - * - variables must be declared before use * - * - shared vars must begin with uppercase * - * - local vars must begin with lowercase * - * - reserved names: nil, true, false, self, super, and Smalltalk * - * * - * Variable scope: * - * - Global: defined in Dictionary Smalltalk and accessible by all * - * objects in system * - * - Special: (reserved) Smalltalk, super, self, true, false, & nil * - * - Method Temporary: local to a method * - * - Block Temporary: local to a block * - * - Pool: variables in a Dictionary object * - * - Method Parameters: automatic local vars created as a result of * - * message call with params * - * - Block Parameters: automatic local vars created as a result of * - * value: message call * - * - Class: shared with all instances of one class & its subclasses * - * - Class Instance: unique to each instance of a class * - * - Instance Variables: unique to each instance * - ************************************************************************" - "Comments are enclosed in quotes" - "Period (.) is the statement seperator" + Variable scope: + - Global: defined in Dictionary Smalltalk and accessible by all objects in system + - Special: (reserved) Smalltalk, super, self, true, false, & nil + - Method Temporary: local to a method + - Block Temporary: local to a block + - Pool: variables in a Dictionary object + - Method Parameters: automatic local vars created as a result of message call with params + - Block Parameters: automatic local vars created as a result of value: message call + - Class: shared with all instances of one class & its subclasses + - Class Instance: unique to each instance of a class + - Instance Variables: unique to each instance + + + "Comments are enclosed in quotes - like this" + + Period (.) is the statement separator + + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>iterationStatement (in category 'pages') ----- iterationStatement "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #iterationStatement" ^HelpTopic + title: 'Iteration Statement' + contents: + '| x y | - title: 'Iteration Statement' - contents: - - '"************************************************************************ - * Iteration statements: * - ************************************************************************" - | x y | x := 4. y := 1. [x > 0] whileTrue: [x := x - 1. y := y * 2]. "while true loop" [x >= 4] whileFalse: [x := x + 1. y := y * 2]. "while false loop" x timesRepeat: [y := y * 2]. "times repear loop (i := 1 to x)" 1 to: x do: [:a | y := y * 2]. "for loop" 1 to: x by: 2 do: [:a | y := y / 2]. "for loop with specified increment" #(5 4 3) do: [:a | x := x + a]. "iterate over array elements" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>metaclass (in category 'pages') ----- metaclass "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #metaclass" ^HelpTopic + title: 'Class / Metaclass' + contents: + '| b x | - title: 'Class / Metaclass' - contents: - - '"************************************************************************ - * class/meta-class: * - ************************************************************************" - | b x | x := String name. "class name" x := String category. "organization category" x := String comment. "class comment" x := String kindOfSubclass. "subclass type - subclass: variableSubclass, etc" x := String definition. "class definition" x := String instVarNames. "immediate instance variable names" x := String allInstVarNames. "accumulated instance variable names" x := String classVarNames. "immediate class variable names" x := String allClassVarNames. "accumulated class variable names" x := String sharedPools. "immediate dictionaries used as shared pools" x := String allSharedPools. "accumulated dictionaries used as shared pools" x := String selectors. "message selectors for class" x := String sourceCodeAt: #indexOf:. "source code for specified method" x := String allInstances. "collection of all instances of class" x := String superclass. "immediate superclass" x := String allSuperclasses. "accumulated superclasses" x := String withAllSuperclasses. "receiver class and accumulated superclasses" x := String subclasses. "immediate subclasses" x := String allSubclasses. "accumulated subclasses" x := String withAllSubclasses. "receiver class and accumulated subclasses" b := String instSize. "number of named instance variables" b := String isFixed. "true if no indexed instance variables" b := String isVariable. "true if has indexed instance variables" b := String isPointers. "true if index instance vars contain objects" b := String isBits. "true if index instance vars contain bytes/words" b := String isBytes. "true if index instance vars contain bytes" b := String isWords. "true if index instance vars contain words" Object withAllSubclasses size. "get total number of class entries" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>methodCall (in category 'pages') ----- methodCall "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #methodCall" ^HelpTopic + title: 'Method Call' + contents: + '"Method calls: + - unary methods are messages with no arguments + - binary methods are messages using typical math symbols like + - / etc and a single argument + - keyword methods are messages with selectors that include colons to mark where the parameters go, with one or more arguments - title: 'Method Call' - contents: + standard categories/protocols: + - initialize-release (methods called for new instance) + - accessing (get/set methods) + - testing (boolean tests - is) + - comparing (boolean tests with parameter + - displaying (gui related methods) + - printing (methods for printing) + - updating (receive notification of changes) + - private (methods private to class) + - instance-creation (class methods for creating instance) + " - '"************************************************************************ - * Method calls: * - * - unary methods are messages with no arguments * - * - binary methods * - * - keyword methods are messages with selectors including colons * - * * - * standard categories/protocols: * - * - initialize-release (methods called for new instance) * - * - accessing (get/set methods) * - * - testing (boolean tests - is) * - * - comparing (boolean tests with parameter * - * - displaying (gui related methods) * - * - printing (methods for printing) * - * - updating (receive notification of changes) * - * - private (methods private to class) * - * - instance-creation (class methods for creating instance) * - ************************************************************************" | x | x := 2 sqrt. "unary message" - x := 2 raisedTo: 10. "keyword message" x := 194 * 9. "binary message" + x := 2 raisedTo: 10. "keyword message with one argument" + x := anArray at: 4 put: #rabbit. "keyword message with two arguments" Transcript show: (194 * 9) printString; cr. "combination (chaining)" x := 2 perform: #sqrt. "indirect method invocation" Transcript "Cascading - send multiple messages to receiver" show: ''hello ''; show: ''world''; cr. x := 3 + 2; * 100. "result=300. Sends message to same receiver (3)" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>misc (in category 'pages') ----- misc "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #misc" ^HelpTopic + title: 'Miscellaneous' + contents: + '| x | + Smalltalk condenseChanges. "compress the change file" - title: 'Miscellaneous' - contents: - - '"************************************************************************ - * Misc. * - ************************************************************************" - | x | - "Smalltalk condenseChanges." "compress the change file" x := FillInTheBlank request: ''Prompt Me''. "prompt user for input" x := UIManager default request: ''Prompt Me''. "prompt user for input using a flexible UI dispatcher" Utilities openCommandKeyHelp + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>orderedCollection (in category 'pages') ----- orderedCollection "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #orderedCollection" ^HelpTopic + title: 'Ordered Collection' + contents: + '| b x y sum max | - title: 'Ordered Collection' - contents: - - '"************************************************************************ - * OrderedCollection: acts like an expandable array * - ************************************************************************" - | b x y sum max | x := OrderedCollection with: 4 with: 3 with: 2 with: 1. "create collection with up to 4 elements" x := OrderedCollection new. "allocate collection" x add: 3; add: 2; add: 1; add: 4; yourself. "add element to collection" y := x addFirst: 5. "add element at beginning of collection" y := x removeFirst. "remove first element in collection" y := x addLast: 6. "add element at end of collection" y := x removeLast. "remove last element in collection" y := x addAll: #(7 8 9). "add multiple elements to collection" y := x removeAll: #(7 8 9). "remove multiple elements from collection" x at: 2 put: 3. "set element at index" y := x remove: 5 ifAbsent: []. "remove element from collection" b := x isEmpty. "test if empty" y := x size. "number of elements" y := x at: 2. "retrieve element at index" y := x first. "retrieve first element in collection" y := x last. "retrieve last element in collection" b := x includes: 5. "test if element is in collection" y := x copyFrom: 2 to: 3. "subcollection" y := x indexOf: 3 ifAbsent: [0]. "first position of element within collection" y := x occurrencesOf: 3. "number of times object in collection" x do: [:a | Transcript show: a printString; cr]. "iterate over the collection" b := x allSatisfy: [:a | (a >= 1) & (a <= 4)]. "test if all elements meet condition" y := x select: [:a | a > 2]. "return collection of elements that pass test" y := x reject: [:a | a < 2]. "return collection of elements that fail test" y := x collect: [:a | a + a]. "transform each element for new collection" y := x detect: [:a | a > 3] ifNone: []. "return first element that passes test" y := x findFirst: [:a | a < 2]. "find position of first element that passes test" sum := 0. x do: [:a | sum := sum + a]. sum. "sum elements" sum := 0. 1 to: (x size) do: [:a | sum := sum + (x at: a)]. "sum elements" sum := x inject: 0 into: [:a :c | a + c]. "sum elements" max := x inject: 0 into: [:a :c | (a > c) "find max element in collection" ifTrue: [a] ifFalse: [c]]. y := x shuffled. "randomly shuffle collection" y := x asArray. "convert to array" y := x asOrderedCollection. "convert to ordered collection" y := x asSortedCollection. "convert to sorted collection" y := x asBag. "convert to bag collection" y := x asSet. "convert to set collection" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>pages (in category 'accessing') ----- pages ^ #( introduction transcript assignment constants boolean arithmetic bitwise conversion block exceptionHandling methodCall conditionalStatement + iterationStatement character string symbol array orderedCollection - iterationStatement character symbol string array orderedCollection sortedCollection bag set interval association dictionary internalStream fileStream date time point rectangle pen dynamic metaclass debugging misc )! Item was changed: ----- Method: TerseGuideHelp class>>pen (in category 'pages') ----- pen "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #pen" ^HelpTopic + title: 'Pen' + contents: + '| myPen | - title: 'Pen' - contents: - - '"************************************************************************ - * Pen: * - ************************************************************************" - | myPen | Display restoreAfter: [ Display fillWhite. myPen := Pen new. "get graphic pen" myPen squareNib: 1. myPen color: (Color blue). "set pen color" myPen home. "position pen at center of display" myPen up. "makes nib unable to draw" myPen down. "enable the nib to draw" myPen north. "points direction towards top" myPen turn: -180. "add specified degrees to direction" myPen direction. "get current angle of pen" myPen go: 50. "move pen specified number of pixels" myPen location. "get the pen position" myPen goto: 200@200. "move to specified point" myPen place: 250@250. "move to specified point without drawing" myPen print: ''Hello World'' withFont: (TextStyle default fontAt: 1). Display extent. "get display width@height" Display width. "get display width" Display height. "get display height" ]. + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>point (in category 'pages') ----- point "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #point" ^HelpTopic + title: 'Point' + contents: + '| x y | - title: 'Point' - contents: - - '"************************************************************************ - * Point: * - ************************************************************************" - | x y | x := 200@100. "obtain a new point" y := x x. "x coordinate" y := x y. "y coordinate" x := 200@100 negated. "negates x and y" x := (-200@ -100) abs. "absolute value of x and y" x := (200.5(a)100.5) rounded. "round x and y" x := (200.5(a)100.5) truncated. "truncate x and y" x := 200@100 + 100. "add scale to both x and y" x := 200@100 - 100. "subtract scale from both x and y" x := 200@100 * 2. "multiply x and y by scale" x := 200@100 / 2. "divide x and y by scale" x := 200@100 // 2. "divide x and y by scale" x := 200@100 \\ 3. "remainder of x and y by scale" x := 200@100 + (50@25). "add points" x := 200@100 - (50@25). "subtract points" x := 200@100 * (3@4). "multiply points" x := 200@100 // (3@4). "divide points" x := 200@100 max: 50@200. "max x and y" x := 200@100 min: 50@200. "min x and y" x := 20@5 dotProduct: 10@2. "sum of product (x1*x2 + y1*y2)" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>rectangle (in category 'pages') ----- rectangle "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #rectangle" ^HelpTopic + title: 'Rectangle' + contents: + 'Rectangle fromUser. + Rectangle origin: 0@0 corner: 100@100. "Origin and corners are absolute points" + Rectangle origin: 80@40 extent: 50@50. "Extent is added to origin" + Rectangle center: 40@50 extent: 30@20. "Center is half of extent" + Rectangle left: 1 right: 20 top: 1 bottom: 10. - title: 'Rectangle' - contents: - - '"************************************************************************ - * Rectangle: * - ************************************************************************" - Rectangle fromUser. - Rectangle origin: 0@0 corner: 100@100 "Origin and corners are absolute points" - Rectangle origin: 80@40 extent: 50@50 "Extent is added to origin" - Rectangle center: 40@50 extent: 30@20 "Center is half of extent" - Rectangle left: 1 right: 20 top: 1 bottom: 10 | col | col := OrderedCollection new. col add: (Rectangle center: 40@50 extent: 30@20). col add: (Rectangle left: 1 right: 20 top: 1 bottom: 10). Rectangle merging: col + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>set (in category 'pages') ----- set "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #set" ^HelpTopic + title: 'Set' + contents: + '"Set: like Bag except duplicates not allowed IdentitySet: uses identity test (== rather than =) + " - title: 'Set' - contents: - - '"************************************************************************ - * Set: like Bag except duplicates not allowed * - * IdentitySet: uses identity test (== rather than =) * - ************************************************************************" | b x y sum max | x := Set with: 4 with: 3 with: 2 with: 1. "create collection with up to 4 elements" x := Set new. "allocate collection" x add: 4; add: 3; add: 1; add: 2; yourself. "add element to collection" y := x addAll: #(7 8 9). "add multiple elements to collection" y := x removeAll: #(7 8 9). "remove multiple elements from collection" y := x remove: 4 ifAbsent: []. "remove element from collection" b := x isEmpty. "test if empty" y := x size. "number of elements" x includes: 4. "test if element is in collection" x do: [:a | Transcript show: a printString; cr]. "iterate over the collection" b := x allSatisfy: [:a | (a >= 1) & (a <= 4)]. "test if all elements meet condition" y := x select: [:a | a > 2]. "return collection of elements that pass test" y := x reject: [:a | a < 2]. "return collection of elements that fail test" y := x collect: [:a | a + a]. "transform each element for new collection" y := x detect: [:a | a > 3] ifNone: []. "return first element that passes test" sum := 0. x do: [:a | sum := sum + a]. sum. "sum elements" sum := x inject: 0 into: [:a :c | a + c]. "sum elements" max := x inject: 0 into: [:a :c | (a > c) "find max element in collection" ifTrue: [a] ifFalse: [c]]. y := x asArray. "convert to array" y := x asOrderedCollection. "convert to ordered collection" y := x asSortedCollection. "convert to sorted collection" y := x asBag. "convert to bag collection" y := x asSet. "convert to set collection" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>sortedCollection (in category 'pages') ----- sortedCollection "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #sortedCollection" ^HelpTopic + title: 'Sorted Collection' + contents: + '"SortedCollection: like OrderedCollection except order of elements + determined by sorting criteria, typically specified by a Block + " - title: 'Sorted Collection' - contents: - - '"************************************************************************ - * SortedCollection: like OrderedCollection except order of elements * - * determined by sorting criteria * - ************************************************************************" | b x y sum max | x := SortedCollection with: 4 with: 3 with: 2 with: 1. "create collection with up to 4 elements" x := SortedCollection new. "allocate collection" x := SortedCollection sortBlock: [:a :c | a > c]. "set sort criteria" x add: 3; add: 2; add: 1; add: 4; yourself. "add element to collection" "y := x addFirst: 5." "add element at beginning of collection" y := x removeFirst. "remove first element in collection" y := x addLast: 6. "add element at end of collection" y := x removeLast. "remove last element in collection" y := x addAll: #(7 8 9). "add multiple elements to collection" y := x removeAll: #(7 8 9). "remove multiple elements from collection" y := x remove: 5 ifAbsent: []. "remove element from collection" b := x isEmpty. "test if empty" y := x size. "number of elements" y := x at: 2. "retrieve element at index" y := x first. "retrieve first element in collection" y := x last. "retrieve last element in collection" b := x includes: 4. "test if element is in collection" y := x copyFrom: 2 to: 3. "subcollection" y := x indexOf: 3 ifAbsent: [0]. "first position of element within collection" y := x occurrencesOf: 3. "number of times object in collection" x do: [:a | Transcript show: a printString; cr]. "iterate over the collection" b := x allSatisfy: [:a | (a >= 1) & (a <= 4)]. "test if all elements meet condition" y := x select: [:a | a > 2]. "return collection of elements that pass test" y := x reject: [:a | a < 2]. "return collection of elements that fail test" y := x collect: [:a | a + a]. "transform each element for new collection" y := x detect: [:a | a > 3] ifNone: []. "return first element that passes test" y := x findFirst: [:a | a < 3]. "find position of first element that passes test" sum := 0. x do: [:a | sum := sum + a]. sum. "sum elements" sum := 0. 1 to: (x size) do: [:a | sum := sum + (x at: a)]. "sum elements" sum := x inject: 0 into: [:a :c | a + c]. "sum elements" max := x inject: 0 into: [:a :c | (a > c) "find max element in collection" ifTrue: [a] ifFalse: [c]]. y := x asArray. "convert to array" y := x asOrderedCollection. "convert to ordered collection" y := x asSortedCollection. "convert to sorted collection" y := x asBag. "convert to bag collection" y := x asSet. "convert to set collection" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>string (in category 'pages') ----- string "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #string" ^HelpTopic + title: 'String' + contents: + '| b x y | - title: 'String' - contents: - - '"************************************************************************ - * String: * - ************************************************************************" - | b x y | x := ''This is a string''. "string assignment" x := ''String'', ''Concatenation''. "string concatenation" b := x isEmpty. "test if string is empty" y := x size. "string size" y := x at: 2. "char at location" y := x copyFrom: 2 to: 4. "substring" y := x indexOf: $a ifAbsent: [0]. "first position of character within string" x := String new: 4. "allocate string object" x "set string elements" at: 1 put: $a; at: 2 put: $b; at: 3 put: $c; at: 4 put: $e. x := String with: $a with: $b with: $c with: $d. "set up to 4 elements at a time" x do: [:a | Transcript show: a printString; cr]. "iterate over the string" b := x allSatisfy: [:a | (a >= $a) & (a <= $z)]. "test if all elements meet condition" y := x select: [:a | a > $a]. "return all elements that meet condition" y := x asSymbol. "convert string to symbol" y := x asArray. "convert string to array" x := ''ABCD'' asByteArray. "convert string to byte array" y := x asOrderedCollection. "convert string to ordered collection" y := x asSortedCollection. "convert string to sorted collection" y := x asBag. "convert string to bag collection" y := x asSet. "convert string to set collection" y := x shuffled. "randomly shuffle string" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>symbol (in category 'pages') ----- symbol "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #symbol" ^HelpTopic + title: 'Symbol' + contents: + '"Symbol: like String except each one is unique within the image, making comparison for equality much faster" - title: 'Symbol' - contents: - - '"************************************************************************ - * Symbol: * - ************************************************************************" | b x y | x := #Hello. "symbol assignment" y := #Symbol, ''Concatenation''. "symbol concatenation (result is string)" b := x isEmpty. "test if symbol is empty" y := x size. "string size" y := x at: 2. "char at location" y := x copyFrom: 2 to: 4. "substring" y := x indexOf: $e ifAbsent: [0]. "first position of character within string" x do: [:a | Transcript show: a printString; cr]. "iterate over the string" b := x allSatisfy: [:a | (a >= $a) & (a <= $z)]. "test if all elements meet condition" y := x select: [:a | a > $a]. "return all elements that meet condition" y := x asString. "convert symbol to string" y := x asText. "convert symbol to text" y := x asArray. "convert symbol to array" y := x asOrderedCollection. "convert symbol to ordered collection" y := x asSortedCollection. "convert symbol to sorted collection" y := x asBag. "convert symbol to bag collection" y := x asSet. "convert symbol to set collection" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>time (in category 'pages') ----- time "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #time" ^HelpTopic + title: 'Time' + contents: + '| x y b | - title: 'Time' - contents: - - '"************************************************************************ - * Time: * - ************************************************************************" - | x y b | x := Time now. "create time from current time" x := Time dateAndTimeNow. "create time from current time/date" x := Time readFromString: ''3:47:26 pm''. "create time from formatted string" x := Time fromSeconds: (60 * 60 * 4). "create time from elapsed time from midnight" y := Time millisecondClockValue. "milliseconds since midnight" y := Time totalSeconds. "total seconds since 1/1/1901" y := x seconds. "seconds past minute (0-59)" y := x minutes. "minutes past hour (0-59)" y := x hours. "hours past midnight (0-23)" y := x addTime: (Time now). "add time to time object" y := x subtractTime: (Time now). "subtract time to time object" y := x asSeconds. "convert time to seconds" x := Time millisecondsToRun: [ "timing facility" 1 to: 1000 do: [:index | y := 3.14 * index]]. + b := (x <= Time now). "comparison" - "b := (x <= Time now)." "comparison" + !!' readStream nextChunkText! - '! Item was changed: ----- Method: TerseGuideHelp class>>transcript (in category 'pages') ----- transcript "This method was automatically generated. Edit it using:" "TerseGuideHelp edit: #transcript" ^HelpTopic + title: 'Transcript' + contents: + 'Transcript clear. "clear to transcript window" - title: 'Transcript' - contents: - - '"************************************************************************ - * Transcript: * - ************************************************************************" - Transcript clear. "clear to transcript window" Transcript show: ''Hello World''. "output string in transcript window" Transcript nextPutAll: ''Hello World''. "output string in transcript window" Transcript nextPut: $A. "output character in transcript window" Transcript space. "output space character in transcript window" Transcript tab. "output tab character in transcript window" Transcript cr. "carriage return / linefeed" ''Hello'' printOn: Transcript. "append print string into the window" ''Hello'' storeOn: Transcript. "append store string into the window" Transcript endEntry. "flush the output buffer" + !!' readStream nextChunkText! - '!

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The Trunk: Help-Squeak-CorePackages-tpr.5.mcz
by commits＠source.squeak.org 04 Jun '18

04 Jun '18

tim Rowledge uploaded a new version of Help-Squeak-CorePackages to project The Trunk: http://source.squeak.org/trunk/Help-Squeak-CorePackages-tpr.5.mcz ==================== Summary ==================== Name: Help-Squeak-CorePackages-tpr.5 Author: tpr Time: 3 June 2018, 5:24:06.263038 pm UUID: 3245def0-6899-4a2b-8e35-6f93bf763ea4 Ancestors: Help-Squeak-CorePackages-tpr.4 More small cleanups of Help info =============== Diff against Help-Squeak-CorePackages-tpr.4 =============== Item was changed: ----- Method: SqueakUsefulCorePackagesHelp class>>regex (in category 'pages') ----- regex "This method was automatically generated. Edit it using:" "SqueakUsefulCorePackagesHelp edit: #regex" + ^HelpTopic - ^(HelpTopic title: 'Regex' contents: + 'Regex provides a regular expression matching engine. It is mainly used through the interface exposed on String objects. See the *Regex-Core category on String. - 'Regex provides a regex matching engine. It is mainly used through the interface exposed on String objects. See the *Regex-Core category on String. For the syntax of Squeak regular expressions see: RxParser class>>#a:introduction: and the subsequent methods on RxParser class. For more involved usages of regular expressions see the Regex-Core class category.!! + ]style[(152 6 53 32 129),dString browse;;,,LRxParser class>>#a:introduction:;,!!' readStream nextChunkText! - ]style[(139 6 53 32 129),dString browse;;,,LRxParser class>>#a:introduction:;,!!' readStream nextChunkText) - key: #regex! Item was changed: ----- Method: SqueakUsefulCorePackagesHelp class>>squeakMap (in category 'pages') ----- squeakMap "This method was automatically generated. Edit it using:" "SqueakUsefulCorePackagesHelp edit: #squeakMap" + ^HelpTopic - ^(HelpTopic title: 'SM' contents: + 'This package contains the model and the UI of SqueakMap, which is a catalogue for packages and applications in Squeak. You can access the SqueakMap catalog from the Apps menu item. - 'This package contains the model and the UI of SqueakMap, which is a repository for packages and applications in Squeak. You can access the SqueakMap catalog from the Apps menu item. Information on how to use SqueakMap can be found here: http://wiki.squeak.org/squeak/2726 + The server resides at http://map.squeak.org/ + You can get an account to publish packages at http://map.squeak.org/newaccount!! + ]style[(237 34 24 22 47 32),Rhttp://wiki.squeak.org/squeak/2726;,,Rhttp://map.squeak.org/;,,Rhttp:/…;!!' readStream nextChunkText! - The server resides at: http://http://map.squeak.org/ - You can get an account to publish packages at: http://map.squeak.org/newaccount!!' readStream nextChunkText) - key: #squeakMap!

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The Trunk: Tools-eem.817.mcz
by commits＠source.squeak.org 03 Jun '18

03 Jun '18

Eliot Miranda uploaded a new version of Tools to project The Trunk: http://source.squeak.org/trunk/Tools-eem.817.mcz ==================== Summary ==================== Name: Tools-eem.817 Author: eem Time: 3 June 2018, 11:30:18.12214 am UUID: e29d1a74-c6b6-4752-b4d0-b735061f4c9f Ancestors: Tools-mt.816 In the absence of proper support from RealEstateAgent and the tool builder, provide a memory of the debugger's last extent, and use it when opening a full debugger. =============== Diff against Tools-mt.816 =============== Item was changed: CodeHolder subclass: #Debugger instanceVariableNames: 'interruptedProcess interruptedController contextStack contextStackIndex contextStackList receiverInspector contextVariablesInspector externalInterrupt proceedValue selectingPC savedCursor isolationHead failedProject errorWasInUIProcess labelString message untilExpression' + classVariableNames: 'ContextStackKeystrokes ErrorRecursion ErrorRecursionGuard ErrorReportServer InterruptUIProcessIfBlockedOnErrorInBackgroundProcess SavedExtent WantsAnnotationPane' - classVariableNames: 'ContextStackKeystrokes ErrorRecursion ErrorRecursionGuard ErrorReportServer InterruptUIProcessIfBlockedOnErrorInBackgroundProcess WantsAnnotationPane' poolDictionaries: '' category: 'Tools-Debugger'! !Debugger commentStamp: '<historical>' prior: 0! I represent the machine state at the time of an interrupted process. I also represent a query path into the state of the process. The debugger is typically viewed through a window that views the stack of suspended contexts, the code for, and execution point in, the currently selected message, and inspectors on both the receiver of the currently selected message, and the variables in the current context. Special note on recursive errors: Some errors affect Squeak's ability to present a debugger. This is normally an unrecoverable situation. However, if such an error occurs in an isolation layer, Squeak will attempt to exit from the isolation layer and then present a debugger. Here is the chain of events in such a recovery. * A recursive error is detected. * The current project is queried for an isolationHead * Changes in the isolationHead are revoked * The parent project of isolated project is returned to * The debugger is opened there and execution resumes. If the user closes that debugger, execution continues in the outer project and layer. If, after repairing some damage, the user proceeds from the debugger, then the isolationHead is re-invoked, the failed project is re-entered, and execution resumes in that world. ! Item was changed: ----- Method: Debugger>>buildFullWith: (in category 'toolbuilder') ----- buildFullWith: builder | windowSpec listSpec textSpec | windowSpec := builder pluggableWindowSpec new model: self; label: 'Debugger'; children: OrderedCollection new. + SavedExtent ifNotNil: + [windowSpec extent: SavedExtent]. listSpec := builder pluggableListSpec new. listSpec model: self; list: #contextStackList; getIndex: #contextStackIndex; setIndex: #toggleContextStackIndex:; menu: #contextStackMenu:shifted:; icon: #messageIconAt:; helpItem: #messageHelpAt:; keyPress: #contextStackKey:from:; frame: (0@0 corner: 1(a)0.22). windowSpec children add: listSpec. textSpec := self buildCodePaneWith: builder. textSpec frame: (0(a)0.22corner: 1(a)0.8). windowSpec children add: textSpec. listSpec := builder pluggableListSpec new. listSpec model: self receiverInspector; list: #fieldList; getIndex: #selectionIndex; setIndex: #toggleIndex:; menu: #fieldListMenu:; keyPress: #inspectorKey:from:; frame: (0(a)0.8 corner: 0.2@1); help: 'Receiver''s\Instance\Variables' withCRs. windowSpec children add: listSpec. textSpec := builder pluggableTextSpec new. textSpec model: self receiverInspector; getText: #contents; setText: #accept:; help: '<- Select receiver''s field' translated; selection: #contentsSelection; menu: #codePaneMenu:shifted:; frame: (0.2(a)0.8 corner: 0.5@1). windowSpec children add: textSpec. listSpec := builder pluggableListSpec new. listSpec model: self contextVariablesInspector; list: #fieldList; getIndex: #selectionIndex; setIndex: #toggleIndex:; menu: #fieldListMenu:; keyPress: #inspectorKey:from:; frame: (0.5(a)0.8 corner: 0.7@1); help: 'Other\Context\Bindings' withCRs. windowSpec children add: listSpec. textSpec := builder pluggableTextSpec new. textSpec model: self contextVariablesInspector; getText: #contents; setText: #accept:; help: '<- Select context''s field' translated; selection: #contentsSelection; menu: #codePaneMenu:shifted:; frame: (0.7(a)0.8 corner: 1@1). windowSpec children add: textSpec. ^builder build: windowSpec! Item was changed: ----- Method: Debugger>>windowIsClosing (in category 'initialize') ----- windowIsClosing + "My window is being closed; if debugging save its extent. + Clean up. Restart the low space watcher." - "My window is being closed; clean up. Restart the low space watcher." + interruptedProcess ifNil: [^self]. + (self dependents detect: [:m| m isWindowForModel: self] ifNone: []) ifNotNil: + [:topWindow| | isDebuggerNotNotifier | + isDebuggerNotNotifier := self dependents anySatisfy: [:m| m isTextView]. + isDebuggerNotNotifier ifTrue: + [SavedExtent := topWindow extent]]. - interruptedProcess == nil ifTrue: [^ self]. interruptedProcess terminate. interruptedProcess := nil. interruptedController := nil. contextStack := nil. receiverInspector := nil. contextVariablesInspector := nil. + Smalltalk installLowSpaceWatcher "restart low space handler" - Smalltalk installLowSpaceWatcher. "restart low space handler" !

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The Trunk: KernelTests-ul.341.mcz
by commits＠source.squeak.org 01 Jun '18

01 Jun '18

Levente Uzonyi uploaded a new version of KernelTests to project The Trunk: http://source.squeak.org/trunk/KernelTests-ul.341.mcz ==================== Summary ==================== Name: KernelTests-ul.341 Author: ul Time: 31 May 2018, 10:59:41.493595 pm UUID: 964ae9e4-9717-442b-8e2e-dc8d11ed65c1 Ancestors: KernelTests-mt.340 Make tests work even if AuthorInitials is not initialized. - #setUp of ClassTest, ClassVarScopeTest and CompiledMethodTest use #compileSilently: instead of #compile:. - #performTest of the above classes explicltly sets AuthorInitials to the name of the class - CompiledMethodTest >> #testDecompile uses #compileSilently:, because testing compilation is not the goal of that test - BehaviorTest >> #testChange temporarily sets AuthorInitials =============== Diff against KernelTests-mt.340 =============== Item was changed: ----- Method: BehaviorTest>>testChange (in category 'tests') ----- testChange "self debug: #testChange" | behavior model | behavior := Behavior new. behavior superclass: Model. behavior setFormat: Model format. model := Model new. model primitiveChangeClassTo: behavior new. + Utilities + useAuthorInitials: self className + during: [ behavior compile: 'thisIsATest ^ 2' ]. - behavior compile: 'thisIsATest ^ 2'. self assert: model thisIsATest = 2. self should: [Model new thisIsATest] raise: MessageNotUnderstood. ! Item was added: + ----- Method: ClassBuilderTest>>performTest (in category 'private') ----- + performTest + + Utilities + useAuthorInitials: self className + during: [ super performTest ]! Item was added: + ----- Method: ClassTest>>performTest (in category 'private') ----- + performTest + + Utilities + useAuthorInitials: self className + during: [ super performTest ]! Item was changed: ----- Method: ClassTest>>setUp (in category 'setup') ----- setUp className := #TUTU. renamedName := #RenamedTUTU. self deleteClass. self deleteRenamedClass. Object subclass: className instanceVariableNames: '' classVariableNames: '' poolDictionaries: '' category: self categoryNameForTemporaryClasses. #('foo' 'bar self foo' 'baz self bar') do: + [:s| (Smalltalk at: className) compileSilently: s]! - [:s| (Smalltalk at: className) compile: s]! Item was added: + ----- Method: ClassVarScopeTest>>performTest (in category 'private') ----- + performTest + + Utilities + useAuthorInitials: self className + during: [ super performTest ]! Item was changed: ----- Method: ClassVarScopeTest>>setUp (in category 'command') ----- setUp parent := Object subclass: #ClassVarScopeParent instanceVariableNames: '' classVariableNames: '' poolDictionaries: '' category: 'Dummy-Tests-Class'. child := parent subclass: #ClassVarScopeChild instanceVariableNames: '' classVariableNames: 'ClassVarScopeFoo' poolDictionaries: '' category: 'Dummy-Tests-Class'. grandchild := child subclass: #ClassVarScopeGrandchild instanceVariableNames: '' classVariableNames: '' poolDictionaries: '' category: 'Dummy-Tests-Class'. foo := Smalltalk globals at: #ClassVarScopeFoo put: Object basicNew. + parent compileSilently: self sourceOfParentGetFoo. + parent compileSilently: self sourceOfParentSetFoo. - parent compile: self sourceOfParentGetFoo. - parent compile: self sourceOfParentSetFoo. + parent class compileSilently: self sourceOfParentGetFoo. + parent class compileSilently: self sourceOfParentSetFoo. - parent class compile: self sourceOfParentGetFoo. - parent class compile: self sourceOfParentSetFoo. + child compileSilently: self sourceOfChildGetFoo. + child compileSilently: self sourceOfChildSetFoo. - child compile: self sourceOfChildGetFoo. - child compile: self sourceOfChildSetFoo. + child class compileSilently: self sourceOfChildGetFoo. + child class compileSilently: self sourceOfChildSetFoo. - child class compile: self sourceOfChildGetFoo. - child class compile: self sourceOfChildSetFoo. + grandchild compileSilently: self sourceOfGrandchildGetFoo. + grandchild compileSilently: self sourceOfGrandchildSetFoo. - grandchild compile: self sourceOfGrandchildGetFoo. - grandchild compile: self sourceOfGrandchildSetFoo. + grandchild class compileSilently: self sourceOfGrandchildGetFoo. + grandchild class compileSilently: self sourceOfGrandchildSetFoo! - grandchild class compile: self sourceOfGrandchildGetFoo. - grandchild class compile: self sourceOfGrandchildSetFoo. - ! Item was added: + ----- Method: CompiledMethodTest>>performTest (in category 'private') ----- + performTest + + Utilities + useAuthorInitials: self className + during: [ super performTest ]! Item was changed: ----- Method: CompiledMethodTest>>testDecompile (in category 'tests - decompiling') ----- testDecompile "self debug: #testDecompileTree" | method cls stream | Smalltalk removeClassNamed: #TUTU. cls := Object subclass: #TUTU instanceVariableNames: '' classVariableNames: '' poolDictionaries: '' category: 'KernelTests-Methods'. + cls compileSilently: 'foo ^ 10'. - cls compile: 'foo ^ 10'. method := cls >> #foo. Smalltalk removeClassNamed: #TUTU. stream := String new writeStream. method decompile printOn: stream. self assert: stream contents = 'foo ^ 10' !

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The Trunk: System-ul.1032.mcz
by commits＠source.squeak.org 01 Jun '18

01 Jun '18

Levente Uzonyi uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-ul.1032.mcz ==================== Summary ==================== Name: System-ul.1032 Author: ul Time: 31 May 2018, 10:50:35.796719 pm UUID: 39a8d83e-2952-4f72-8528-1687b1456771 Ancestors: System-mt.1031 Added a method to Utilities to allow overriding the value of AuthorInitials while a block is being evaluated. It can be used to prevent the user being nagged during automatic method compilation when the AuthorInitials variable is not set. =============== Diff against System-mt.1031 =============== Item was added: + ----- Method: Utilities class>>useAuthorInitials:during: (in category 'identification') ----- + useAuthorInitials: temporaryAuthorInitials during: aBlock + + | originalAuthorInitials | + originalAuthorInitials := AuthorInitials. + [ + AuthorInitials := temporaryAuthorInitials. + aBlock value ] + ensure: [ AuthorInitials := originalAuthorInitials ] + !

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The Trunk: Kernel-ul.1175.mcz
by commits＠source.squeak.org 01 Jun '18

01 Jun '18

Levente Uzonyi uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-ul.1175.mcz ==================== Summary ==================== Name: Kernel-ul.1175 Author: ul Time: 1 June 2018, 8:01:13.047217 pm UUID: 5b70dacb-2f1e-40df-85db-f457ee728ed4 Ancestors: Kernel-eem.1174 Added ClassDescription >> #compileSilently:, the missing method of the #compileSilently:* family. =============== Diff against Kernel-eem.1174 =============== Item was added: + ----- Method: ClassDescription>>compileSilently: (in category 'compiling') ----- + compileSilently: code + "Compile the code, leaving no trail in the system log, nor in any change set, nor in the 'recent submissions' list. This should only be used when you know for sure that the compilation will succeed." + + ^ self compileSilently: code classified: ClassOrganizer default.!

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The Trunk: ReleaseBuilder-tpr.187.mcz
by commits＠source.squeak.org 01 Jun '18

01 Jun '18

tim Rowledge uploaded a new version of ReleaseBuilder to project The Trunk: http://source.squeak.org/trunk/ReleaseBuilder-tpr.187.mcz ==================== Summary ==================== Name: ReleaseBuilder-tpr.187 Author: tpr Time: 31 May 2018, 6:33:23.620995 pm UUID: 74c93895-0c29-43ed-b5a1-f4617bb3a979 Ancestors: ReleaseBuilder-mt.186 Fix small but embarassing tpyo =============== Diff against ReleaseBuilder-mt.186 =============== Item was changed: ----- Method: ReleaseBuilder class>>openWelcomeWorkspacesWith: (in category 'scripts - support') ----- openWelcomeWorkspacesWith: balloonForm | t browser balloon | + t := HelpTopic title: 'Welcome to Squeak' readOnlyContents: 'Please choose a topic from the left sidebar.'. - t := HelpTopic title: 'Welcome to Squeak' readOnlyContents: 'Please choose a topic from the left sidebare.'. t subtopics add: (SqueakHelp asHelpTopic subtopics detect: [:ea | ea key = #introduction]); add: SqueakLicenseHelp asHelpTopic; add: (SqueakProjectHelp asHelpTopic subtopics detect: [:ea | ea key = #squeakUserInterface]); add: (SqueakProjectHelp asHelpTopic subtopics detect: [:ea | ea key = #workingWithSqueak]); add: SqueakReleaseNotes asHelpTopic. browser := HelpBrowser openOn: t. browser extent: browser world extent * 0.6. browser center: browser world center. browser model showFirstTopic. balloonForm ifNil: [^ self]. balloon := balloonForm asMorph. browser addMorphFront: balloon. balloon layoutFrame: (LayoutFrame fractions: (0@1 corner: 0@1) offsets: (balloon width // 1.7 negated @ (balloon height * 0.9) negated corner: 0@0)).!

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The Trunk: Help-Squeak-TerseGuide-tpr.9.mcz
by commits＠source.squeak.org 01 Jun '18

01 Jun '18

tim Rowledge uploaded a new version of Help-Squeak-TerseGuide to project The Trunk: http://source.squeak.org/trunk/Help-Squeak-TerseGuide-tpr.9.mcz ==================== Summary ==================== Name: Help-Squeak-TerseGuide-tpr.9 Author: tpr Time: 31 May 2018, 6:29:55.720391 pm UUID: 7c39bd47-406b-4b82-a068-97f840b1af2d Ancestors: Help-Squeak-TerseGuide-tpr.8 Update some more help related methods =============== Diff against Help-Squeak-TerseGuide-tpr.8 =============== Item was changed: ----- Method: TerseGuideHelp class>>iterationStatement (in category 'pages') ----- iterationStatement + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #iterationStatement" - ^HelpTopic title: 'Iteration Statement' contents: '"************************************************************************ * Iteration statements: * ************************************************************************" | x y | x := 4. y := 1. [x > 0] whileTrue: [x := x - 1. y := y * 2]. "while true loop" [x >= 4] whileFalse: [x := x + 1. y := y * 2]. "while false loop" x timesRepeat: [y := y * 2]. "times repear loop (i := 1 to x)" 1 to: x do: [:a | y := y * 2]. "for loop" 1 to: x by: 2 do: [:a | y := y / 2]. "for loop with specified increment" #(5 4 3) do: [:a | x := x + a]. "iterate over array elements" '! Item was changed: ----- Method: TerseGuideHelp class>>metaclass (in category 'pages') ----- metaclass + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #metaclass" - ^HelpTopic title: 'Class / Metaclass' contents: '"************************************************************************ * class/meta-class: * ************************************************************************" | b x | x := String name. "class name" x := String category. "organization category" x := String comment. "class comment" x := String kindOfSubclass. "subclass type - subclass: variableSubclass, etc" x := String definition. "class definition" x := String instVarNames. "immediate instance variable names" x := String allInstVarNames. "accumulated instance variable names" x := String classVarNames. "immediate class variable names" x := String allClassVarNames. "accumulated class variable names" x := String sharedPools. "immediate dictionaries used as shared pools" x := String allSharedPools. "accumulated dictionaries used as shared pools" x := String selectors. "message selectors for class" x := String sourceCodeAt: #indexOf:. "source code for specified method" x := String allInstances. "collection of all instances of class" x := String superclass. "immediate superclass" x := String allSuperclasses. "accumulated superclasses" x := String withAllSuperclasses. "receiver class and accumulated superclasses" x := String subclasses. "immediate subclasses" x := String allSubclasses. "accumulated subclasses" x := String withAllSubclasses. "receiver class and accumulated subclasses" b := String instSize. "number of named instance variables" b := String isFixed. "true if no indexed instance variables" b := String isVariable. "true if has indexed instance variables" b := String isPointers. "true if index instance vars contain objects" b := String isBits. "true if index instance vars contain bytes/words" b := String isBytes. "true if index instance vars contain bytes" b := String isWords. "true if index instance vars contain words" Object withAllSubclasses size. "get total number of class entries" '! Item was changed: ----- Method: TerseGuideHelp class>>methodCall (in category 'pages') ----- methodCall + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #methodCall" - ^HelpTopic title: 'Method Call' contents: '"************************************************************************ * Method calls: * * - unary methods are messages with no arguments * * - binary methods * * - keyword methods are messages with selectors including colons * * * * standard categories/protocols: * * - initialize-release (methods called for new instance) * * - accessing (get/set methods) * * - testing (boolean tests - is) * * - comparing (boolean tests with parameter * * - displaying (gui related methods) * * - printing (methods for printing) * * - updating (receive notification of changes) * * - private (methods private to class) * * - instance-creation (class methods for creating instance) * ************************************************************************" | x | x := 2 sqrt. "unary message" x := 2 raisedTo: 10. "keyword message" x := 194 * 9. "binary message" Transcript show: (194 * 9) printString; cr. "combination (chaining)" x := 2 perform: #sqrt. "indirect method invocation" Transcript "Cascading - send multiple messages to receiver" show: ''hello ''; show: ''world''; cr. x := 3 + 2; * 100. "result=300. Sends message to same receiver (3)" '! Item was changed: ----- Method: TerseGuideHelp class>>misc (in category 'pages') ----- misc + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #misc" - ^HelpTopic title: 'Miscellaneous' contents: '"************************************************************************ * Misc. * ************************************************************************" | x | "Smalltalk condenseChanges." "compress the change file" x := FillInTheBlank request: ''Prompt Me''. "prompt user for input" x := UIManager default request: ''Prompt Me''. "prompt user for input using a flexible UI dispatcher" Utilities openCommandKeyHelp '! Item was changed: ----- Method: TerseGuideHelp class>>orderedCollection (in category 'pages') ----- orderedCollection + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #orderedCollection" - ^HelpTopic title: 'Ordered Collection' contents: '"************************************************************************ * OrderedCollection: acts like an expandable array * ************************************************************************" | b x y sum max | x := OrderedCollection with: 4 with: 3 with: 2 with: 1. "create collection with up to 4 elements" x := OrderedCollection new. "allocate collection" x add: 3; add: 2; add: 1; add: 4; yourself. "add element to collection" y := x addFirst: 5. "add element at beginning of collection" y := x removeFirst. "remove first element in collection" y := x addLast: 6. "add element at end of collection" y := x removeLast. "remove last element in collection" y := x addAll: #(7 8 9). "add multiple elements to collection" y := x removeAll: #(7 8 9). "remove multiple elements from collection" x at: 2 put: 3. "set element at index" y := x remove: 5 ifAbsent: []. "remove element from collection" b := x isEmpty. "test if empty" y := x size. "number of elements" y := x at: 2. "retrieve element at index" y := x first. "retrieve first element in collection" y := x last. "retrieve last element in collection" b := x includes: 5. "test if element is in collection" y := x copyFrom: 2 to: 3. "subcollection" y := x indexOf: 3 ifAbsent: [0]. "first position of element within collection" y := x occurrencesOf: 3. "number of times object in collection" x do: [:a | Transcript show: a printString; cr]. "iterate over the collection" b := x allSatisfy: [:a | (a >= 1) & (a <= 4)]. "test if all elements meet condition" y := x select: [:a | a > 2]. "return collection of elements that pass test" y := x reject: [:a | a < 2]. "return collection of elements that fail test" y := x collect: [:a | a + a]. "transform each element for new collection" y := x detect: [:a | a > 3] ifNone: []. "return first element that passes test" y := x findFirst: [:a | a < 2]. "find position of first element that passes test" sum := 0. x do: [:a | sum := sum + a]. sum. "sum elements" sum := 0. 1 to: (x size) do: [:a | sum := sum + (x at: a)]. "sum elements" sum := x inject: 0 into: [:a :c | a + c]. "sum elements" max := x inject: 0 into: [:a :c | (a > c) "find max element in collection" ifTrue: [a] ifFalse: [c]]. y := x shuffled. "randomly shuffle collection" y := x asArray. "convert to array" y := x asOrderedCollection. "convert to ordered collection" y := x asSortedCollection. "convert to sorted collection" y := x asBag. "convert to bag collection" y := x asSet. "convert to set collection" '! Item was changed: ----- Method: TerseGuideHelp class>>pen (in category 'pages') ----- pen + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #pen" - ^HelpTopic title: 'Pen' contents: '"************************************************************************ * Pen: * ************************************************************************" | myPen | Display restoreAfter: [ Display fillWhite. myPen := Pen new. "get graphic pen" myPen squareNib: 1. myPen color: (Color blue). "set pen color" myPen home. "position pen at center of display" myPen up. "makes nib unable to draw" myPen down. "enable the nib to draw" myPen north. "points direction towards top" myPen turn: -180. "add specified degrees to direction" myPen direction. "get current angle of pen" myPen go: 50. "move pen specified number of pixels" myPen location. "get the pen position" myPen goto: 200@200. "move to specified point" myPen place: 250@250. "move to specified point without drawing" myPen print: ''Hello World'' withFont: (TextStyle default fontAt: 1). Display extent. "get display width@height" Display width. "get display width" Display height. "get display height" ]. '! Item was changed: ----- Method: TerseGuideHelp class>>point (in category 'pages') ----- point + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #point" - ^HelpTopic title: 'Point' contents: '"************************************************************************ * Point: * ************************************************************************" | x y | x := 200@100. "obtain a new point" y := x x. "x coordinate" y := x y. "y coordinate" x := 200@100 negated. "negates x and y" x := (-200@ -100) abs. "absolute value of x and y" x := (200.5(a)100.5) rounded. "round x and y" x := (200.5(a)100.5) truncated. "truncate x and y" x := 200@100 + 100. "add scale to both x and y" x := 200@100 - 100. "subtract scale from both x and y" x := 200@100 * 2. "multiply x and y by scale" x := 200@100 / 2. "divide x and y by scale" x := 200@100 // 2. "divide x and y by scale" x := 200@100 \\ 3. "remainder of x and y by scale" x := 200@100 + (50@25). "add points" x := 200@100 - (50@25). "subtract points" x := 200@100 * (3@4). "multiply points" x := 200@100 // (3@4). "divide points" x := 200@100 max: 50@200. "max x and y" x := 200@100 min: 50@200. "min x and y" x := 20@5 dotProduct: 10@2. "sum of product (x1*x2 + y1*y2)" '! Item was changed: ----- Method: TerseGuideHelp class>>rectangle (in category 'pages') ----- rectangle + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #rectangle" - ^HelpTopic title: 'Rectangle' contents: '"************************************************************************ * Rectangle: * ************************************************************************" Rectangle fromUser. Rectangle origin: 0@0 corner: 100@100 "Origin and corners are absolute points" Rectangle origin: 80@40 extent: 50@50 "Extent is added to origin" Rectangle center: 40@50 extent: 30@20 "Center is half of extent" Rectangle left: 1 right: 20 top: 1 bottom: 10 | col | col := OrderedCollection new. col add: (Rectangle center: 40@50 extent: 30@20). col add: (Rectangle left: 1 right: 20 top: 1 bottom: 10). Rectangle merging: col '! Item was changed: ----- Method: TerseGuideHelp class>>set (in category 'pages') ----- set + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #set" - ^HelpTopic title: 'Set' contents: '"************************************************************************ * Set: like Bag except duplicates not allowed * * IdentitySet: uses identity test (== rather than =) * ************************************************************************" | b x y sum max | x := Set with: 4 with: 3 with: 2 with: 1. "create collection with up to 4 elements" x := Set new. "allocate collection" x add: 4; add: 3; add: 1; add: 2; yourself. "add element to collection" y := x addAll: #(7 8 9). "add multiple elements to collection" y := x removeAll: #(7 8 9). "remove multiple elements from collection" y := x remove: 4 ifAbsent: []. "remove element from collection" b := x isEmpty. "test if empty" y := x size. "number of elements" x includes: 4. "test if element is in collection" x do: [:a | Transcript show: a printString; cr]. "iterate over the collection" b := x allSatisfy: [:a | (a >= 1) & (a <= 4)]. "test if all elements meet condition" y := x select: [:a | a > 2]. "return collection of elements that pass test" y := x reject: [:a | a < 2]. "return collection of elements that fail test" y := x collect: [:a | a + a]. "transform each element for new collection" y := x detect: [:a | a > 3] ifNone: []. "return first element that passes test" sum := 0. x do: [:a | sum := sum + a]. sum. "sum elements" sum := x inject: 0 into: [:a :c | a + c]. "sum elements" max := x inject: 0 into: [:a :c | (a > c) "find max element in collection" ifTrue: [a] ifFalse: [c]]. y := x asArray. "convert to array" y := x asOrderedCollection. "convert to ordered collection" y := x asSortedCollection. "convert to sorted collection" y := x asBag. "convert to bag collection" y := x asSet. "convert to set collection" '! Item was changed: ----- Method: TerseGuideHelp class>>sortedCollection (in category 'pages') ----- sortedCollection + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #sortedCollection" - ^HelpTopic title: 'Sorted Collection' contents: '"************************************************************************ * SortedCollection: like OrderedCollection except order of elements * * determined by sorting criteria * ************************************************************************" | b x y sum max | x := SortedCollection with: 4 with: 3 with: 2 with: 1. "create collection with up to 4 elements" x := SortedCollection new. "allocate collection" x := SortedCollection sortBlock: [:a :c | a > c]. "set sort criteria" x add: 3; add: 2; add: 1; add: 4; yourself. "add element to collection" "y := x addFirst: 5." "add element at beginning of collection" y := x removeFirst. "remove first element in collection" y := x addLast: 6. "add element at end of collection" y := x removeLast. "remove last element in collection" y := x addAll: #(7 8 9). "add multiple elements to collection" y := x removeAll: #(7 8 9). "remove multiple elements from collection" y := x remove: 5 ifAbsent: []. "remove element from collection" b := x isEmpty. "test if empty" y := x size. "number of elements" y := x at: 2. "retrieve element at index" y := x first. "retrieve first element in collection" y := x last. "retrieve last element in collection" b := x includes: 4. "test if element is in collection" y := x copyFrom: 2 to: 3. "subcollection" y := x indexOf: 3 ifAbsent: [0]. "first position of element within collection" y := x occurrencesOf: 3. "number of times object in collection" x do: [:a | Transcript show: a printString; cr]. "iterate over the collection" b := x allSatisfy: [:a | (a >= 1) & (a <= 4)]. "test if all elements meet condition" y := x select: [:a | a > 2]. "return collection of elements that pass test" y := x reject: [:a | a < 2]. "return collection of elements that fail test" y := x collect: [:a | a + a]. "transform each element for new collection" y := x detect: [:a | a > 3] ifNone: []. "return first element that passes test" y := x findFirst: [:a | a < 3]. "find position of first element that passes test" sum := 0. x do: [:a | sum := sum + a]. sum. "sum elements" sum := 0. 1 to: (x size) do: [:a | sum := sum + (x at: a)]. "sum elements" sum := x inject: 0 into: [:a :c | a + c]. "sum elements" max := x inject: 0 into: [:a :c | (a > c) "find max element in collection" ifTrue: [a] ifFalse: [c]]. y := x asArray. "convert to array" y := x asOrderedCollection. "convert to ordered collection" y := x asSortedCollection. "convert to sorted collection" y := x asBag. "convert to bag collection" y := x asSet. "convert to set collection" '! Item was changed: ----- Method: TerseGuideHelp class>>string (in category 'pages') ----- string + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #string" - ^HelpTopic title: 'String' contents: '"************************************************************************ * String: * ************************************************************************" | b x y | x := ''This is a string''. "string assignment" x := ''String'', ''Concatenation''. "string concatenation" b := x isEmpty. "test if string is empty" y := x size. "string size" y := x at: 2. "char at location" y := x copyFrom: 2 to: 4. "substring" y := x indexOf: $a ifAbsent: [0]. "first position of character within string" x := String new: 4. "allocate string object" x "set string elements" at: 1 put: $a; at: 2 put: $b; at: 3 put: $c; at: 4 put: $e. x := String with: $a with: $b with: $c with: $d. "set up to 4 elements at a time" x do: [:a | Transcript show: a printString; cr]. "iterate over the string" b := x allSatisfy: [:a | (a >= $a) & (a <= $z)]. "test if all elements meet condition" y := x select: [:a | a > $a]. "return all elements that meet condition" y := x asSymbol. "convert string to symbol" y := x asArray. "convert string to array" x := ''ABCD'' asByteArray. "convert string to byte array" y := x asOrderedCollection. "convert string to ordered collection" y := x asSortedCollection. "convert string to sorted collection" y := x asBag. "convert string to bag collection" y := x asSet. "convert string to set collection" y := x shuffled. "randomly shuffle string" '! Item was changed: ----- Method: TerseGuideHelp class>>symbol (in category 'pages') ----- symbol + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #symbol" - ^HelpTopic title: 'Symbol' contents: '"************************************************************************ * Symbol: * ************************************************************************" | b x y | x := #Hello. "symbol assignment" y := #Symbol, ''Concatenation''. "symbol concatenation (result is string)" b := x isEmpty. "test if symbol is empty" y := x size. "string size" y := x at: 2. "char at location" y := x copyFrom: 2 to: 4. "substring" y := x indexOf: $e ifAbsent: [0]. "first position of character within string" x do: [:a | Transcript show: a printString; cr]. "iterate over the string" b := x allSatisfy: [:a | (a >= $a) & (a <= $z)]. "test if all elements meet condition" y := x select: [:a | a > $a]. "return all elements that meet condition" y := x asString. "convert symbol to string" y := x asText. "convert symbol to text" y := x asArray. "convert symbol to array" y := x asOrderedCollection. "convert symbol to ordered collection" y := x asSortedCollection. "convert symbol to sorted collection" y := x asBag. "convert symbol to bag collection" y := x asSet. "convert symbol to set collection" '! Item was changed: ----- Method: TerseGuideHelp class>>time (in category 'pages') ----- time + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #time" - ^HelpTopic title: 'Time' contents: '"************************************************************************ * Time: * ************************************************************************" | x y b | x := Time now. "create time from current time" x := Time dateAndTimeNow. "create time from current time/date" x := Time readFromString: ''3:47:26 pm''. "create time from formatted string" x := Time fromSeconds: (60 * 60 * 4). "create time from elapsed time from midnight" y := Time millisecondClockValue. "milliseconds since midnight" y := Time totalSeconds. "total seconds since 1/1/1901" y := x seconds. "seconds past minute (0-59)" y := x minutes. "minutes past hour (0-59)" y := x hours. "hours past midnight (0-23)" y := x addTime: (Time now). "add time to time object" y := x subtractTime: (Time now). "subtract time to time object" y := x asSeconds. "convert time to seconds" x := Time millisecondsToRun: [ "timing facility" 1 to: 1000 do: [:index | y := 3.14 * index]]. "b := (x <= Time now)." "comparison" '! Item was changed: ----- Method: TerseGuideHelp class>>transcript (in category 'pages') ----- transcript + "This method was automatically generated. Edit it using:" + "TerseGuideHelp edit: #transcript" - ^HelpTopic title: 'Transcript' contents: '"************************************************************************ * Transcript: * ************************************************************************" Transcript clear. "clear to transcript window" Transcript show: ''Hello World''. "output string in transcript window" Transcript nextPutAll: ''Hello World''. "output string in transcript window" Transcript nextPut: $A. "output character in transcript window" Transcript space. "output space character in transcript window" Transcript tab. "output tab character in transcript window" Transcript cr. "carriage return / linefeed" ''Hello'' printOn: Transcript. "append print string into the window" ''Hello'' storeOn: Transcript. "append store string into the window" Transcript endEntry. "flush the output buffer" '!

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The Trunk: Compiler-eem.382.mcz
by commits＠source.squeak.org 01 Jun '18

01 Jun '18

Eliot Miranda uploaded a new version of Compiler to project The Trunk: http://source.squeak.org/trunk/Compiler-eem.382.mcz ==================== Summary ==================== Name: Compiler-eem.382 Author: eem Time: 31 May 2018, 5:02:26.967309 pm UUID: 52aa994c-63da-4485-aade-2f4b72f18e06 Ancestors: Compiler-eem.381 Oops! Deal with potential recursion in xLitQuoteForTokenization. =============== Diff against Compiler-eem.381 =============== Item was changed: ----- Method: Scanner>>xLitQuoteForTokenization (in category 'multi-character scans') ----- xLitQuoteForTokenization "Parse underscores as per the regular parser when following a # symbol, so that e.g. #_WIN32 is correctly tokenized." | index | + index := typeTable identityIndexOf: #xUnderscoreForTokenization ifAbsent: [^self xLitQuote]. - index := typeTable identityIndexOf: #xUnderscoreForTokenization. typeTable at: index put: #xUnderscore. [self xLitQuote] ensure: [typeTable at: index put: #xUnderscoreForTokenization]!

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