author | Claus Gittinger <cg@exept.de> |
Wed, 13 May 1998 19:58:56 +0200 | |
changeset 709 | b4351947a598 |
parent 708 | 11837544357d |
child 714 | 09f35b01bbcf |
permissions | -rw-r--r-- |
0 | 1 |
" |
4 | 2 |
COPYRIGHT (c) 1989 by Claus Gittinger |
45 | 3 |
All Rights Reserved |
0 | 4 |
|
5 |
This software is furnished under a license and may be used |
|
6 |
only in accordance with the terms of that license and with the |
|
7 |
inclusion of the above copyright notice. This software may not |
|
8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
|
10 |
hereby transferred. |
|
11 |
" |
|
12 |
||
13 |
Object subclass:#Scanner |
|
709 | 14 |
instanceVariableNames:'typeArray actionArray source lineNr token tokenType tokenPosition |
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
15 |
tokenValue tokenName tokenLineNr hereChar peekChar peekChar2 |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
16 |
requestor exitBlock errorFlag ignoreErrors ignoreWarnings |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
17 |
saveComments currentComments collectedSource |
709 | 18 |
allowUnderscoreInIdentifier allowDollarInIdentifier |
19 |
warnSTXSpecialComment warnUnderscoreInIdentifier |
|
20 |
warnOldStyleAssignment warnCommonMistakes outStream outCol |
|
21 |
warnSTXNameSpaceUse warnPossibleIncompatibilities |
|
22 |
warnDollarInIdentifier' |
|
241
418eb41350d3
no debugger when parsing '-' (which is wrong anyway ...)
Claus Gittinger <cg@exept.de>
parents:
148
diff
changeset
|
23 |
classVariableNames:'TypeArray ActionArray AllowUnderscoreInIdentifier Warnings |
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
24 |
WarnSTXSpecials WarnOldStyleAssignment WarnUnderscoreInIdentifier |
608 | 25 |
WarnCommonMistakes WarnPossibleIncompatibilities |
26 |
WarnDollarInIdentifier AllowDollarInIdentifier' |
|
241
418eb41350d3
no debugger when parsing '-' (which is wrong anyway ...)
Claus Gittinger <cg@exept.de>
parents:
148
diff
changeset
|
27 |
poolDictionaries:'' |
418eb41350d3
no debugger when parsing '-' (which is wrong anyway ...)
Claus Gittinger <cg@exept.de>
parents:
148
diff
changeset
|
28 |
category:'System-Compiler' |
0 | 29 |
! |
30 |
||
648 | 31 |
Object subclass:#Comment |
32 |
instanceVariableNames:'commentType commentString' |
|
33 |
classVariableNames:'' |
|
34 |
poolDictionaries:'' |
|
35 |
privateIn:Scanner |
|
36 |
! |
|
37 |
||
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
38 |
!Scanner class methodsFor:'documentation'! |
20 | 39 |
|
40 |
copyright |
|
41 |
" |
|
42 |
COPYRIGHT (c) 1989 by Claus Gittinger |
|
45 | 43 |
All Rights Reserved |
20 | 44 |
|
45 |
This software is furnished under a license and may be used |
|
46 |
only in accordance with the terms of that license and with the |
|
47 |
inclusion of the above copyright notice. This software may not |
|
48 |
be provided or otherwise made available to, or used by, any |
|
49 |
other person. No title to or ownership of the software is |
|
50 |
hereby transferred. |
|
51 |
" |
|
52 |
! |
|
53 |
||
54 |
documentation |
|
55 |
" |
|
56 |
Scanner reads from a stream and returns individual smalltalk tokens |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
57 |
Its main method is #nextToken, which reads and returns the next token |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
58 |
Possibly placing additional information (such as tokenValue) into |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
59 |
instance variables as a side effect. |
75 | 60 |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
61 |
TODO: |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
62 |
some testers noticed, that ST-80's scanner methods are called |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
63 |
xLetter, xDigit etc. For code using these (internals), the nextNumber, |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
64 |
nextIdentifier etc. methods should be renamed. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
65 |
(to me, these seem to be internal private methods; |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
66 |
their public use is not a good idea ..) |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
67 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
68 |
Scanner is typically subclassed for parsing and #nextToken |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
69 |
invoked via #self-sends. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
70 |
This should be changed and scanner ought to be an instance variable |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
71 |
of Parser - this allows more flexible use of the scanner/parser |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
72 |
framework (i.e. changing the scanner without affecting the parser). |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
73 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
74 |
[author:] |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
75 |
Claus Gittinger |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
76 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
77 |
[see also:] |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
78 |
Parser |
20 | 79 |
" |
41 | 80 |
! ! |
81 |
||
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
82 |
!Scanner class methodsFor:'initialization'! |
33 | 83 |
|
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
84 |
binarySelectorCharacters |
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
85 |
"return a collection of characters which are allowed in |
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
86 |
binary selectors" |
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
87 |
|
650
a8bcb32d1665
added #% as binop in typeTable.
Claus Gittinger <cg@exept.de>
parents:
648
diff
changeset
|
88 |
^ #( $& $- $+ $= $* $/ $\ $< $> $~ $@ $, $? $!! $| $%) |
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
89 |
|
650
a8bcb32d1665
added #% as binop in typeTable.
Claus Gittinger <cg@exept.de>
parents:
648
diff
changeset
|
90 |
"Created: / 4.1.1997 / 14:13:24 / cg" |
a8bcb32d1665
added #% as binop in typeTable.
Claus Gittinger <cg@exept.de>
parents:
648
diff
changeset
|
91 |
"Modified: / 27.2.1998 / 02:01:28 / cg" |
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
92 |
! |
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
93 |
|
60 | 94 |
initialize |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
95 |
"initialize the classes defaults. Typically, these are changed |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
96 |
later in the 'private.rc' file." |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
97 |
|
60 | 98 |
Warnings := true. |
99 |
WarnSTXSpecials := true. |
|
100 |
WarnUnderscoreInIdentifier := true. |
|
608 | 101 |
WarnDollarInIdentifier := true. |
87 | 102 |
WarnOldStyleAssignment := true. |
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
103 |
WarnCommonMistakes := true. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
104 |
WarnPossibleIncompatibilities := false. |
60 | 105 |
AllowUnderscoreInIdentifier := false. |
608 | 106 |
AllowDollarInIdentifier := false. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
107 |
|
608 | 108 |
" |
109 |
self initialize |
|
110 |
" |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
111 |
|
608 | 112 |
"Modified: 7.9.1997 / 01:37:57 / cg" |
60 | 113 |
! |
114 |
||
33 | 115 |
setupActions |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
116 |
"initialize the scanners actionTables - these are used to dispatch |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
117 |
into scanner methods as characters are read" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
118 |
|
33 | 119 |
|block| |
120 |
||
121 |
ActionArray := Array new:256. |
|
122 |
TypeArray := Array new:256. |
|
123 |
||
124 |
block := [:s :char | s nextNumber]. |
|
125 |
($0 asciiValue) to:($9 asciiValue) do:[:index | |
|
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
126 |
ActionArray at:index put:block |
33 | 127 |
]. |
128 |
||
87 | 129 |
block := [:s :char | s nextSpecial]. |
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
130 |
self binarySelectorCharacters do:[:binop | |
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
131 |
TypeArray at:(binop asciiValue) put:#special. |
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
132 |
ActionArray at:(binop asciiValue) put:block |
87 | 133 |
]. |
134 |
||
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
135 |
"/ that one is a special case (both binarySelector AND syntax). |
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
136 |
TypeArray at:($| asciiValue) put:nil. |
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
137 |
|
87 | 138 |
block := [:s :char | s nextToken:char]. |
89 | 139 |
#( $; $. $( $) $[ $] "$!!" $^ $| $_ ) do:[:ch | |
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
140 |
ActionArray at:(ch asciiValue) put:block |
87 | 141 |
]. |
142 |
||
33 | 143 |
block := [:s :char | s nextIdentifier]. |
144 |
($a asciiValue) to:($z asciiValue) do:[:index | |
|
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
145 |
ActionArray at:index put:block |
33 | 146 |
]. |
147 |
($A asciiValue) to:($Z asciiValue) do:[:index | |
|
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
148 |
ActionArray at:index put:block |
33 | 149 |
]. |
71 | 150 |
AllowUnderscoreInIdentifier ifTrue:[ |
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
151 |
ActionArray at:$_ asciiValue put:block |
71 | 152 |
]. |
33 | 153 |
|
154 |
"kludge: action is characterToken, but type is special" |
|
155 |
TypeArray at:($| asciiValue) put:#special. |
|
156 |
||
80 | 157 |
"kludge: action is nextColonOrAssign, but type is special" |
158 |
TypeArray at:($: asciiValue) put:#special. |
|
159 |
||
33 | 160 |
ActionArray at:($' asciiValue) put:[:s :char | s nextString]. |
161 |
ActionArray at:($$ asciiValue) put:[:s :char | s nextCharacter]. |
|
162 |
ActionArray at:($# asciiValue) put:[:s :char | s nextHash]. |
|
163 |
ActionArray at:($% asciiValue) put:[:s :char | s nextPrimitive]. |
|
164 |
ActionArray at:($: asciiValue) put:[:s :char | s nextColonOrAssign] |
|
165 |
||
166 |
" |
|
167 |
Scanner setupActions |
|
168 |
" |
|
462
6a29b0b356fc
added query for valid binarySelector characters
Claus Gittinger <cg@exept.de>
parents:
460
diff
changeset
|
169 |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
170 |
"Modified: 23.5.1997 / 12:07:55 / cg" |
33 | 171 |
! ! |
172 |
||
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
173 |
!Scanner class methodsFor:'instance creation'! |
141 | 174 |
|
175 |
for:aStringOrStream |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
176 |
"create & return a new scanner reading from aStringOrStream" |
141 | 177 |
|
178 |
^ (super new) initializeFor:aStringOrStream |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
179 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
180 |
"Modified: 23.5.1997 / 12:08:42 / cg" |
141 | 181 |
! ! |
182 |
||
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
183 |
!Scanner class methodsFor:'defaults'! |
141 | 184 |
|
608 | 185 |
allowDollarInIdentifier |
186 |
"return true, if $-characters are allowed in identifiers. |
|
187 |
Notice, that dollars are NEVER allowed as the first character in an identifier." |
|
188 |
||
189 |
^ AllowDollarInIdentifier |
|
190 |
||
191 |
"Created: 7.9.1997 / 01:32:18 / cg" |
|
192 |
"Modified: 7.9.1997 / 01:39:44 / cg" |
|
193 |
! |
|
194 |
||
195 |
allowDollarInIdentifier:aBoolean |
|
196 |
"this allows turning on/off $-characters in identifiers. |
|
197 |
Notice, that dollars are NEVER allowed as the first character in an identifier. |
|
198 |
If turned off (the default), dollars are not allowed in identifiers, |
|
199 |
but instead are scanned as character-constant prefix. |
|
200 |
If turned on, dollars are in identifiers are allowed, while extra |
|
201 |
dollars are still scanned as constant character prefix. |
|
202 |
If you have to fileIn old VW-Vsn2.x classes, turn this off |
|
203 |
before filing them in; i.e.: |
|
204 |
Compiler allowDollarInIdentifiers:false" |
|
205 |
||
206 |
AllowDollarInIdentifier := aBoolean. |
|
207 |
self setupActions |
|
208 |
||
209 |
"Created: 7.9.1997 / 01:34:49 / cg" |
|
210 |
"Modified: 7.9.1997 / 01:39:30 / cg" |
|
211 |
! |
|
212 |
||
141 | 213 |
allowUnderscoreInIdentifier |
214 |
"return true, if underscores are allowed in identifiers" |
|
215 |
||
216 |
^ AllowUnderscoreInIdentifier |
|
217 |
! |
|
218 |
||
219 |
allowUnderscoreInIdentifier:aBoolean |
|
220 |
"this allows turning on/off underscores in identifiers. |
|
221 |
If turned off (the default), underscores are not allowed in identifiers, |
|
222 |
but instead scanned as assignment character (old ST/80 syntax). |
|
223 |
If turned on, underscores are in identifiers are allowed, while extra |
|
224 |
underscores are still scanned as assignment. |
|
608 | 225 |
If you have to fileIn old VW-Vsn2.x classes, |
226 |
turn them off with: |
|
227 |
Compiler allowUnderscoreInIdentifiers:false" |
|
141 | 228 |
|
229 |
AllowUnderscoreInIdentifier := aBoolean. |
|
230 |
self setupActions |
|
608 | 231 |
|
232 |
"Modified: 7.9.1997 / 01:35:19 / cg" |
|
141 | 233 |
! |
234 |
||
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
235 |
warnCommonMistakes |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
236 |
"return true, if common beginners mistakes are to be warned about" |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
237 |
|
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
238 |
^ WarnCommonMistakes |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
239 |
! |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
240 |
|
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
241 |
warnCommonMistakes:aBoolean |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
242 |
"this allows turning on/off warnings about common beginners mistakes. |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
243 |
Those are not really errors in the strict sense, but often lead to |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
244 |
run time errors later. |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
245 |
Examples are: expr or:expr2, where expr2 is not a block. |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
246 |
If you get bored by those warnings, turn them off by adding |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
247 |
a line as: |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
248 |
Compiler warnCommonMistakes:false |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
249 |
in your 'private.rc' file" |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
250 |
|
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
251 |
WarnCommonMistakes := aBoolean |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
252 |
! |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
253 |
|
608 | 254 |
warnDollarInIdentifier |
255 |
"return true, if $-characters in identifiers are to be warned about" |
|
256 |
||
257 |
^ WarnDollarInIdentifier |
|
258 |
||
259 |
"Created: 7.9.1997 / 01:36:17 / cg" |
|
260 |
! |
|
261 |
||
262 |
warnDollarInIdentifier:aBoolean |
|
263 |
"this allows turning on/off warnings about $-characters in identifiers. |
|
264 |
You may find those warnings useful, to make certain that your code |
|
265 |
is portable to other smalltalk versions, which do not allow this |
|
266 |
(i.e. VW releases 2.x and maybe others). |
|
267 |
Notice, that dollars are NEVER allowed as the first character in an identifier. |
|
268 |
If you get bored by those warnings, turn them off by adding |
|
269 |
a line as: |
|
270 |
Compiler warnDollarInIdentifier:false |
|
271 |
in your 'private.rc' file" |
|
272 |
||
273 |
WarnDollarInIdentifier := aBoolean |
|
274 |
||
275 |
"Created: 7.9.1997 / 01:37:42 / cg" |
|
276 |
"Modified: 7.9.1997 / 01:40:02 / cg" |
|
277 |
! |
|
278 |
||
141 | 279 |
warnOldStyleAssignment |
280 |
"return true, if underscore-assignment (pre ST-80v4 syntax) are to be warned about" |
|
281 |
||
282 |
^ WarnOldStyleAssignment |
|
283 |
! |
|
284 |
||
285 |
warnOldStyleAssignment:aBoolean |
|
286 |
"this allows turning on/off warnings about underscore-assignment (pre ST-80v4 syntax). |
|
287 |
If you get bored by those warnings, turn them off by adding |
|
288 |
a line as: |
|
289 |
Compiler warnOldStyleAssignment:false |
|
290 |
in your 'private.rc' file" |
|
291 |
||
292 |
WarnOldStyleAssignment := aBoolean |
|
293 |
! |
|
294 |
||
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
295 |
warnPossibleIncompatibilities |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
296 |
"return true, if possible incompatibilities (with other ST systems) |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
297 |
are to be warned about" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
298 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
299 |
^ WarnPossibleIncompatibilities |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
300 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
301 |
"Modified: 23.5.1997 / 12:02:02 / cg" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
302 |
! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
303 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
304 |
warnPossibleIncompatibilities:aBoolean |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
305 |
"this turns warnings about possible incompatibilities (with other ST systems) |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
306 |
on or off. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
307 |
If you get bored by those warnings, turn them off by adding |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
308 |
a line as: |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
309 |
Compiler warnPossibleIncompatibilities:false |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
310 |
in your 'private.rc' file." |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
311 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
312 |
WarnPossibleIncompatibilities := aBoolean |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
313 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
314 |
"Created: 23.5.1997 / 12:02:45 / cg" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
315 |
! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
316 |
|
141 | 317 |
warnSTXSpecials |
318 |
"return true, if ST/X specials are to be warned about" |
|
319 |
||
320 |
^ WarnSTXSpecials |
|
321 |
! |
|
322 |
||
323 |
warnSTXSpecials:aBoolean |
|
324 |
"this allows turning on/off warnings about stx specials. |
|
325 |
If you get bored by those warnings, turn them off by adding |
|
326 |
a line as: |
|
327 |
Compiler warnSTXSpecials:false |
|
328 |
in your 'private.rc' file" |
|
329 |
||
330 |
WarnSTXSpecials := aBoolean |
|
331 |
! |
|
332 |
||
333 |
warnUnderscoreInIdentifier |
|
334 |
"return true, if underscores in identifiers are to be warned about" |
|
335 |
||
336 |
^ WarnUnderscoreInIdentifier |
|
337 |
! |
|
338 |
||
339 |
warnUnderscoreInIdentifier:aBoolean |
|
340 |
"this allows turning on/off warnings about underscores in identifiers. |
|
608 | 341 |
You may find those warnings useful, to make certain that your code |
342 |
is portable to other smalltalk versions, which do not allow this |
|
343 |
(i.e. VW releases 2.x). |
|
141 | 344 |
If you get bored by those warnings, turn them off by adding |
345 |
a line as: |
|
608 | 346 |
Compiler warnUnderscoreInIdentifier:false |
141 | 347 |
in your 'private.rc' file" |
348 |
||
349 |
WarnUnderscoreInIdentifier := aBoolean |
|
608 | 350 |
|
351 |
"Modified: 7.9.1997 / 01:37:13 / cg" |
|
141 | 352 |
! |
353 |
||
354 |
warnings |
|
355 |
"return true, if any warnings are to be shown" |
|
356 |
||
357 |
^ Warnings |
|
358 |
! |
|
359 |
||
360 |
warnings:aBoolean |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
361 |
"this allows turning on/off all warnings; the default is on. |
141 | 362 |
You can turn off warnings in your 'private.rc' file with |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
363 |
Compiler warnings:false |
141 | 364 |
" |
365 |
||
366 |
Warnings := aBoolean |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
367 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
368 |
"Modified: 23.5.1997 / 12:03:05 / cg" |
141 | 369 |
! ! |
370 |
||
98 | 371 |
!Scanner methodsFor:'ST-80 compatibility'! |
372 |
||
373 |
endOfLastToken |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
374 |
"return the position of the token which was just read. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
375 |
This method was required by some PD program. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
376 |
It is not maintained and may be removed without notice." |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
377 |
|
98 | 378 |
^ source position |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
379 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
380 |
"Modified: 23.5.1997 / 12:14:27 / cg" |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
381 |
! |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
382 |
|
630 | 383 |
scan:aStringOrStream |
384 |
"initialize the scanner: set the source-stream and |
|
385 |
preread the first token" |
|
386 |
||
387 |
self initializeFor:aStringOrStream. |
|
388 |
self nextToken |
|
389 |
||
390 |
"Created: / 30.10.1997 / 16:59:39 / cg" |
|
391 |
! |
|
392 |
||
393 |
scanToken |
|
394 |
"read the next token from my input stream" |
|
395 |
||
396 |
^ self nextToken |
|
397 |
||
398 |
"Created: / 30.10.1997 / 17:00:16 / cg" |
|
399 |
! |
|
400 |
||
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
401 |
scanTokens:aStringOrStream |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
402 |
"return a collection of symbolic tokens from the passed input" |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
403 |
|
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
404 |
|tokens| |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
405 |
|
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
406 |
self initializeFor:aStringOrStream. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
407 |
tokens := OrderedCollection new. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
408 |
self nextToken. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
409 |
[token notNil] whileTrue:[ |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
410 |
tokens add:token. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
411 |
self nextToken |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
412 |
]. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
413 |
^ tokens |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
414 |
|
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
415 |
" |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
416 |
Scanner new |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
417 |
scanTokens:'Boolean subclass:#True |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
418 |
instanceVariableNames:'''' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
419 |
classVariableNames:'''' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
420 |
poolDictionaries:'''' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
421 |
category:''Kernel-Objects'' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
422 |
' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
423 |
" |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
424 |
|
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
425 |
"Modified: 20.6.1997 / 18:22:58 / cg" |
98 | 426 |
! ! |
427 |
||
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
428 |
!Scanner methodsFor:'accessing'! |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
429 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
430 |
comments |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
431 |
"not yet implemented" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
432 |
|
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
433 |
^ currentComments |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
434 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
435 |
"Created: 20.4.1996 / 20:07:01 / cg" |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
436 |
"Modified: 23.5.1997 / 12:14:45 / cg" |
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
437 |
! |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
438 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
439 |
saveComments:aBoolean |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
440 |
"not yet implemented" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
441 |
|
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
442 |
saveComments := aBoolean |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
443 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
444 |
"Created: 20.4.1996 / 20:03:56 / cg" |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
445 |
"Modified: 23.5.1997 / 12:14:49 / cg" |
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
446 |
! |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
447 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
448 |
sourceStream |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
449 |
^ source |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
450 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
451 |
"Created: 20.4.1996 / 19:59:58 / cg" |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
452 |
! ! |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
453 |
|
81 | 454 |
!Scanner methodsFor:'directives'! |
455 |
||
74 | 456 |
parseDirective |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
457 |
"parse a directive - this is an ST/X special" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
458 |
|
81 | 459 |
|directive packageName namespace list| |
74 | 460 |
|
461 |
source next. |
|
462 |
source skipSeparatorsExceptCR. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
463 |
hereChar := source peekOrNil. |
74 | 464 |
hereChar isLetter ifTrue:[ |
413 | 465 |
directive := source nextWord. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
466 |
source peekOrNil == $: ifTrue:[ |
413 | 467 |
source next. |
468 |
source skipSeparatorsExceptCR. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
469 |
hereChar := source peekOrNil. |
74 | 470 |
|
413 | 471 |
" |
472 |
Package: 'name-of-package' |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
473 |
Package: packageId |
413 | 474 |
" |
475 |
directive = 'Package' ifTrue:[ |
|
476 |
packageName := self parseDirectiveStringArg. |
|
477 |
packageName notNil ifTrue:[ |
|
478 |
(requestor respondsTo:#setPackage:) ifTrue:[ |
|
479 |
requestor setPackage:packageName |
|
480 |
]. |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
481 |
] ifFalse:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
482 |
Transcript showCR:'unrecognized ''Package'' directive'. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
483 |
^ false |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
484 |
] |
413 | 485 |
]. |
74 | 486 |
|
413 | 487 |
" |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
488 |
Namespace: 'nameSpaceIdentifier' |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
489 |
Namespace: nameSpaceIdentifier |
413 | 490 |
" |
417 | 491 |
(directive = 'Namespace' |
492 |
or:[directive = 'NameSpace']) ifTrue:[ |
|
413 | 493 |
namespace := self parseDirectiveStringArg. |
494 |
namespace notNil ifTrue:[ |
|
495 |
(requestor respondsTo:#setNameSpace:) ifTrue:[ |
|
496 |
requestor setNameSpace:namespace |
|
426
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
497 |
] ifFalse:[ |
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
498 |
self setNameSpace:namespace |
413 | 499 |
]. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
500 |
] ifFalse:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
501 |
Transcript showCR:'unrecognized ''NameSpace'' directive'. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
502 |
^ false |
413 | 503 |
]. |
504 |
]. |
|
81 | 505 |
|
413 | 506 |
" |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
507 |
Uses: 'nameSpace1', ... , 'nameSpaceN' |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
508 |
Uses: nameSpaceId1, ... , nameSpaceIdN |
413 | 509 |
" |
510 |
directive = 'Uses' ifTrue:[ |
|
511 |
list := self parseDirectiveStringListArg. |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
512 |
list notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
513 |
(requestor respondsTo:#addNameSpaces:) ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
514 |
requestor addNameSpaces:list |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
515 |
] |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
516 |
] ifFalse:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
517 |
Transcript showCR:'unrecognized ''Uses'' directive'. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
518 |
^ false |
426
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
519 |
] |
413 | 520 |
]. |
521 |
||
522 |
" |
|
523 |
Prerequisites: 'name-of-package', ... , 'name-of-package' |
|
524 |
" |
|
525 |
directive = 'Prerequisites' ifTrue:[ |
|
526 |
list := self parseDirectiveStringListArg. |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
527 |
list notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
528 |
(requestor respondsTo:#requirePackages:) ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
529 |
requestor requirePackages:list |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
530 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
531 |
] ifFalse:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
532 |
Transcript showCR:'unrecognized ''Prerequisites'' directive'. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
533 |
^ false |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
534 |
] |
413 | 535 |
]. |
536 |
] |
|
74 | 537 |
]. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
538 |
hereChar := source peekOrNil. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
539 |
^ true. |
413 | 540 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
541 |
"Modified: / 5.3.1998 / 02:55:32 / cg" |
141 | 542 |
! |
543 |
||
544 |
parseDirectiveStringArg |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
545 |
"helper for parsing a directive" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
546 |
|
141 | 547 |
hereChar == $' ifTrue:[ |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
548 |
self nextString. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
549 |
tokenType == #String ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
550 |
^ tokenValue |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
551 |
] |
141 | 552 |
]. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
553 |
(hereChar isLetter or:[hereChar == $_]) ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
554 |
self nextIdentifier. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
555 |
tokenType == #Identifier ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
556 |
^ tokenName |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
557 |
] |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
558 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
559 |
|
141 | 560 |
^ nil |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
561 |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
562 |
"Modified: 23.5.1997 / 12:15:46 / cg" |
141 | 563 |
! |
564 |
||
565 |
parseDirectiveStringListArg |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
566 |
"helper for parsing a directive" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
567 |
|
141 | 568 |
|list| |
569 |
||
570 |
list := OrderedCollection new. |
|
571 |
||
572 |
[hereChar == $'] whileTrue:[ |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
573 |
list addLast:self parseDirectiveStringArg. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
574 |
source skipSeparatorsExceptCR. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
575 |
hereChar := source peekOrNil. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
576 |
(hereChar == $,) ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
577 |
source next. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
578 |
source skipSeparatorsExceptCR. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
579 |
hereChar := source peekOrNil. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
580 |
]. |
141 | 581 |
]. |
582 |
^ list |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
583 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
584 |
"Modified: / 5.3.1998 / 02:55:40 / cg" |
0 | 585 |
! ! |
586 |
||
659
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
587 |
!Scanner methodsFor:'dummy - syntax highlighting'! |
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
588 |
|
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
589 |
markCommentFrom:pos1 to:pos2 |
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
590 |
|
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
591 |
"Created: / 31.3.1998 / 13:34:45 / cg" |
661 | 592 |
! |
593 |
||
671 | 594 |
markConstantFrom:pos1 to:pos2 |
595 |
||
596 |
"Created: / 1.4.1998 / 13:02:56 / cg" |
|
597 |
! |
|
598 |
||
661 | 599 |
markStringFrom:pos1 to:pos2 |
600 |
||
601 |
"Created: / 31.3.1998 / 16:37:18 / cg" |
|
671 | 602 |
! |
603 |
||
604 |
markSymbolFrom:pos1 to:pos2 |
|
605 |
||
606 |
"Created: / 1.4.1998 / 12:58:42 / cg" |
|
659
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
607 |
! ! |
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
608 |
|
0 | 609 |
!Scanner methodsFor:'error handling'! |
610 |
||
709 | 611 |
correctableError:message position:pos1 to:pos2 |
612 |
"report an error which can be corrected by compiler - |
|
613 |
return true if correction is wanted" |
|
614 |
||
615 |
|correctIt| |
|
616 |
||
617 |
requestor isNil ifTrue:[ |
|
618 |
self showErrorMessage:message position:pos1. |
|
619 |
correctIt := false |
|
620 |
] ifFalse:[ |
|
621 |
correctIt := requestor correctableError:message position:pos1 to:pos2 from:self |
|
622 |
]. |
|
623 |
correctIt ifFalse:[ |
|
624 |
exitBlock notNil ifTrue:[exitBlock value] |
|
625 |
]. |
|
626 |
^ correctIt |
|
627 |
||
628 |
"Created: / 13.5.1998 / 16:45:56 / cg" |
|
629 |
! |
|
630 |
||
431
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
631 |
lastTokenLineNumber |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
632 |
"return the line number of the token which was just read." |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
633 |
|
431
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
634 |
^ tokenLineNr |
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
635 |
|
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
636 |
"Created: 8.11.1996 / 18:46:36 / cg" |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
637 |
"Modified: 23.5.1997 / 12:16:12 / cg" |
431
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
638 |
! |
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
639 |
|
0 | 640 |
notifyError:aMessage position:position to:endPos |
641 |
"notify requestor of an error - if there is no requestor |
|
53 | 642 |
put it on the transcript. Requestor is typically the CodeView |
643 |
in which the accept/doIt was triggered, or the PositionableStream |
|
644 |
which does the fileIn. The requestor may decide how to highlight the |
|
645 |
error (and/or to abort the compile). |
|
0 | 646 |
Return the result passed back by the requestor." |
647 |
||
53 | 648 |
ignoreErrors ifFalse:[ |
649 |
requestor isNil ifTrue:[ |
|
650 |
self showErrorMessage:aMessage position:position. |
|
651 |
^ false |
|
652 |
]. |
|
83 | 653 |
^ requestor error:aMessage position:position to:endPos from:self |
0 | 654 |
]. |
53 | 655 |
^ false |
0 | 656 |
! |
657 |
||
658 |
notifyWarning:aMessage position:position to:endPos |
|
659 |
"notify requestor of an warning - if there is no requestor |
|
660 |
put it on the transcript. |
|
661 |
Return the result passed back by the requestor." |
|
662 |
||
53 | 663 |
ignoreWarnings ifFalse:[ |
664 |
requestor isNil ifTrue:[ |
|
45 | 665 |
self showErrorMessage:aMessage position:position. |
53 | 666 |
^ false |
45 | 667 |
]. |
83 | 668 |
^ requestor warning:aMessage position:position to:endPos from:self |
0 | 669 |
]. |
53 | 670 |
^ false |
0 | 671 |
! |
672 |
||
709 | 673 |
parseError:aMessage |
674 |
"report an error" |
|
675 |
||
676 |
^ self parseError:aMessage position:tokenPosition to:nil |
|
677 |
||
678 |
"Created: / 13.5.1998 / 16:45:13 / cg" |
|
679 |
! |
|
680 |
||
681 |
parseError:aMessage position:position |
|
682 |
"report an error" |
|
683 |
||
684 |
^ self parseError:aMessage position:position to:nil |
|
685 |
||
686 |
"Created: / 13.5.1998 / 16:45:05 / cg" |
|
687 |
! |
|
688 |
||
689 |
parseError:aMessage position:position to:endPos |
|
690 |
"report an error" |
|
691 |
||
692 |
|m| |
|
693 |
||
694 |
errorFlag := true. |
|
695 |
m := 'Error: ' , aMessage. |
|
696 |
self notifyError:m position:position to:endPos. |
|
697 |
exitBlock notNil ifTrue:[exitBlock value]. |
|
698 |
^ false |
|
699 |
||
700 |
"Created: / 13.5.1998 / 16:44:55 / cg" |
|
701 |
! |
|
702 |
||
141 | 703 |
showErrorMessage:aMessage position:pos |
704 |
"show an errormessage on the Transcript" |
|
0 | 705 |
|
141 | 706 |
ignoreErrors ifFalse:[ |
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
707 |
Smalltalk silentLoading == true ifFalse:[ |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
708 |
Transcript showCR:(pos printString , ' [line: ' , tokenLineNr printString , '] ' , aMessage) |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
709 |
] |
141 | 710 |
] |
274 | 711 |
|
712 |
"Modified: 18.5.1996 / 15:44:35 / cg" |
|
141 | 713 |
! |
714 |
||
715 |
syntaxError:aMessage |
|
716 |
"a syntax error happened - position is not known" |
|
717 |
||
718 |
^ self syntaxError:aMessage position:tokenPosition |
|
0 | 719 |
! |
720 |
||
721 |
syntaxError:aMessage position:position |
|
722 |
"a syntax error happened - only start position is known" |
|
723 |
||
724 |
^ self syntaxError:aMessage position:position to:nil |
|
725 |
! |
|
726 |
||
141 | 727 |
syntaxError:aMessage position:position to:endPos |
728 |
"a syntax error happened" |
|
0 | 729 |
|
141 | 730 |
self notifyError:('Error:' , aMessage) position:position to:endPos. |
731 |
exitBlock notNil ifTrue:[exitBlock value]. |
|
732 |
^ false |
|
87 | 733 |
! |
734 |
||
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
735 |
warnCommonMistake:msg at:position |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
736 |
"warn about a common beginners mistake" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
737 |
|
311 | 738 |
self warnCommonMistake:msg position:position to:position |
739 |
||
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
740 |
"Modified: 23.5.1997 / 12:16:34 / cg" |
311 | 741 |
! |
742 |
||
743 |
warnCommonMistake:msg position:pos1 to:pos2 |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
744 |
"warn about a common beginners mistake" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
745 |
|
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
746 |
ignoreWarnings ifFalse:[ |
311 | 747 |
warnCommonMistakes ifTrue:[ |
748 |
self |
|
749 |
warning:msg |
|
750 |
position:pos1 to:pos2. |
|
751 |
] |
|
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
752 |
] |
311 | 753 |
|
754 |
"Created: 18.7.1996 / 10:28:38 / cg" |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
755 |
"Modified: 23.5.1997 / 12:16:39 / cg" |
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
756 |
! |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
757 |
|
608 | 758 |
warnDollarAt:position |
759 |
"warn about $-character in an identifier" |
|
760 |
||
761 |
ignoreWarnings ifFalse:[ |
|
762 |
warnDollarInIdentifier ifTrue:[ |
|
763 |
self |
|
764 |
warning:'$-characters in identifiers/symbols are nonportable' |
|
765 |
position:position to:position. |
|
766 |
" |
|
767 |
only warn once (per method) |
|
768 |
" |
|
769 |
warnDollarInIdentifier := false |
|
770 |
] |
|
771 |
] |
|
772 |
||
773 |
"Created: 7.9.1997 / 01:50:24 / cg" |
|
774 |
"Modified: 7.9.1997 / 01:51:13 / cg" |
|
775 |
! |
|
776 |
||
87 | 777 |
warnOldStyleAssignmentAt:position |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
778 |
"warn about an oldStyle assignment" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
779 |
|
87 | 780 |
ignoreWarnings ifFalse:[ |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
781 |
warnOldStyleAssignment ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
782 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
783 |
warning:'old style assignment - please change to use '':=''' |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
784 |
position:position to:position. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
785 |
" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
786 |
only warn once (per method) |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
787 |
" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
788 |
warnOldStyleAssignment := false |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
789 |
] |
87 | 790 |
] |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
791 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
792 |
"Modified: 23.5.1997 / 12:16:48 / cg" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
793 |
! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
794 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
795 |
warnPossibleIncompatibility:msg position:pos1 to:pos2 |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
796 |
"warn about a possible incompatibility with other ST systems" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
797 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
798 |
ignoreWarnings ifFalse:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
799 |
warnPossibleIncompatibilities ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
800 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
801 |
warning:('Possible incompatibility.\\' , msg) withCRs |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
802 |
position:pos1 to:pos2. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
803 |
] |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
804 |
] |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
805 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
806 |
"Created: 23.5.1997 / 12:17:54 / cg" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
807 |
"Modified: 23.5.1997 / 12:22:37 / cg" |
87 | 808 |
! |
809 |
||
810 |
warnUnderscoreAt:position |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
811 |
"warn about an underscore in an identifier" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
812 |
|
87 | 813 |
ignoreWarnings ifFalse:[ |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
814 |
warnUnderscoreInIdentifier ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
815 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
816 |
warning:'underscores in identifiers/symbols are nonportable' |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
817 |
position:position to:position. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
818 |
" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
819 |
only warn once (per method) |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
820 |
" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
821 |
warnUnderscoreInIdentifier := false |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
822 |
] |
87 | 823 |
] |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
824 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
825 |
"Modified: 23.5.1997 / 12:17:06 / cg" |
141 | 826 |
! |
827 |
||
828 |
warning:aMessage |
|
829 |
"a warning - position is not known" |
|
830 |
||
831 |
^ self warning:aMessage position:tokenPosition |
|
832 |
! |
|
833 |
||
834 |
warning:aMessage position:position |
|
835 |
"a warning - only start position is known" |
|
836 |
||
837 |
^ self warning:aMessage position:position to:nil |
|
838 |
! |
|
839 |
||
840 |
warning:aMessage position:position to:endPos |
|
841 |
"a warning" |
|
842 |
||
843 |
^ self notifyWarning:('Warning: ' , aMessage) position:position to:endPos |
|
0 | 844 |
! ! |
845 |
||
17 | 846 |
!Scanner methodsFor:'general scanning'! |
847 |
||
848 |
scanPositionsFor:aTokenString inString:aSourceString |
|
849 |
"scan aSourceString for occurrances of aTokenString. |
|
850 |
Return a collection of start positions. |
|
851 |
Added for VW compatibility (to support syntax-highlight)." |
|
852 |
||
853 |
|searchType searchName searchValue positions t| |
|
854 |
||
855 |
" |
|
856 |
first, look what kind of token we have to search for |
|
857 |
" |
|
858 |
self initializeFor:(ReadStream on:aTokenString). |
|
859 |
self nextToken. |
|
860 |
searchType := tokenType. |
|
861 |
searchName := tokenName. |
|
862 |
searchValue := tokenValue. |
|
863 |
||
864 |
" |
|
865 |
start the real work ... |
|
866 |
" |
|
867 |
self initializeFor:(ReadStream on:aSourceString). |
|
868 |
positions := OrderedCollection new. |
|
869 |
||
870 |
[(t := self nextToken) ~~ #EOF] whileTrue:[ |
|
45 | 871 |
searchType == t ifTrue:[ |
872 |
(searchName isNil or:[tokenName = searchName]) ifTrue:[ |
|
873 |
(searchValue isNil or:[tokenValue = searchValue]) ifTrue:[ |
|
874 |
positions add:tokenPosition. |
|
875 |
] |
|
876 |
] |
|
877 |
] |
|
17 | 878 |
]. |
879 |
||
880 |
^ positions |
|
881 |
||
882 |
" |
|
30 | 883 |
Scanner new scanPositionsFor:'hello' inString:'foo bar hello baz hello' |
884 |
Scanner new scanPositionsFor:'3.14' inString:'foo 3.145 bar hello 3.14 baz hello 3.14' |
|
885 |
Scanner new scanPositionsFor:'16' inString:'foo 16 bar hello 16r10 baz hello 2r10000' |
|
17 | 886 |
" |
887 |
! ! |
|
888 |
||
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
889 |
!Scanner methodsFor:'initialization'! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
890 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
891 |
initialize |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
892 |
"initialize the scanner" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
893 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
894 |
errorFlag := false. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
895 |
tokenPosition := 1. |
610 | 896 |
tokenLineNr := lineNr := 1. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
897 |
currentComments := nil. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
898 |
saveComments := false. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
899 |
ignoreErrors := false. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
900 |
ignoreWarnings := Warnings not. |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
901 |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
902 |
warnSTXSpecialComment := WarnSTXSpecials. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
903 |
warnSTXNameSpaceUse := WarnSTXSpecials. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
904 |
warnUnderscoreInIdentifier := WarnUnderscoreInIdentifier. |
608 | 905 |
warnDollarInIdentifier := WarnDollarInIdentifier. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
906 |
warnOldStyleAssignment := WarnOldStyleAssignment. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
907 |
warnCommonMistakes := WarnCommonMistakes. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
908 |
warnPossibleIncompatibilities := WarnPossibleIncompatibilities. |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
909 |
|
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
910 |
allowUnderscoreInIdentifier := AllowUnderscoreInIdentifier. |
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
911 |
allowDollarInIdentifier := AllowDollarInIdentifier. |
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
912 |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
913 |
ActionArray isNil ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
914 |
self class setupActions |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
915 |
]. |
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
916 |
actionArray := ActionArray. |
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
917 |
typeArray := TypeArray. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
918 |
|
608 | 919 |
"Modified: 7.9.1997 / 01:51:01 / cg" |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
920 |
! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
921 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
922 |
initializeFor:aStringOrStream |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
923 |
"initialize the new scanner & prepare for reading from aStringOrStream" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
924 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
925 |
self initialize. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
926 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
927 |
aStringOrStream isStream ifFalse:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
928 |
source := ReadStream on:aStringOrStream |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
929 |
] ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
930 |
source := aStringOrStream. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
931 |
]. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
932 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
933 |
"Modified: 23.5.1997 / 12:00:39 / cg" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
934 |
! ! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
935 |
|
141 | 936 |
!Scanner methodsFor:'private'! |
3 | 937 |
|
141 | 938 |
backupPosition |
939 |
"if reading from a stream, at the end we might have read |
|
940 |
one token too many" |
|
20 | 941 |
|
141 | 942 |
(tokenType == #EOF) ifFalse:[ |
943 |
source position:tokenPosition |
|
944 |
] |
|
945 |
! |
|
15 | 946 |
|
141 | 947 |
beginComment |
948 |
^ self |
|
949 |
! |
|
950 |
||
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
951 |
checkForKeyword:string |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
952 |
"check if string is a keyword (as opposed to an identifier). |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
953 |
That is, its one of 'self', 'super', 'nil', 'true', 'false', |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
954 |
or 'thisContext'. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
955 |
'here' is handled elsewhere (since it must be treated as an |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
956 |
identifier, if declared locally." |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
957 |
|
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
958 |
|firstChar| |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
959 |
|
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
960 |
firstChar := string at:1. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
961 |
(firstChar == $s) ifTrue:[ |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
962 |
(string = 'self') ifTrue:[tokenType := #Self. ^true]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
963 |
(string = 'super') ifTrue:[tokenType := #Super. ^true] |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
964 |
]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
965 |
(firstChar == $n) ifTrue:[ |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
966 |
(string = 'nil') ifTrue:[tokenType := #Nil. ^true] |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
967 |
]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
968 |
(firstChar == $t) ifTrue:[ |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
969 |
(string = 'true') ifTrue:[tokenType := #True. ^true]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
970 |
(string = 'thisContext') ifTrue:[tokenType := #ThisContext. ^true] |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
971 |
]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
972 |
(firstChar == $f) ifTrue:[ |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
973 |
(string = 'false') ifTrue:[tokenType := #False. ^true] |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
974 |
]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
975 |
^ false |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
976 |
|
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
977 |
"Modified: / 13.5.1998 / 14:59:55 / cg" |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
978 |
! |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
979 |
|
141 | 980 |
collectedSource |
981 |
^ collectedSource |
|
982 |
! |
|
74 | 983 |
|
141 | 984 |
endComment:comment |
985 |
saveComments ifTrue:[ |
|
986 |
currentComments isNil ifTrue:[ |
|
987 |
currentComments := OrderedCollection with:comment |
|
45 | 988 |
] ifFalse:[ |
141 | 989 |
currentComments add:comment |
45 | 990 |
] |
3 | 991 |
]. |
992 |
! |
|
993 |
||
648 | 994 |
endComment:commentString type:commentType |
995 |
|comment| |
|
996 |
||
997 |
saveComments ifTrue:[ |
|
998 |
comment := Comment new. |
|
999 |
comment commentString:commentString; commentType:commentType. |
|
1000 |
||
1001 |
currentComments isNil ifTrue:[ |
|
1002 |
currentComments := OrderedCollection with:comment |
|
1003 |
] ifFalse:[ |
|
1004 |
currentComments add:comment |
|
1005 |
] |
|
1006 |
]. |
|
1007 |
||
1008 |
"Created: / 17.2.1998 / 14:48:49 / cg" |
|
1009 |
! |
|
1010 |
||
141 | 1011 |
ignoreErrors |
1012 |
"turn off notification of errors" |
|
1013 |
||
1014 |
ignoreErrors := true |
|
1015 |
! |
|
0 | 1016 |
|
141 | 1017 |
ignoreWarnings |
1018 |
"turn off notification of warnings" |
|
1019 |
||
1020 |
ignoreWarnings := true |
|
1021 |
! |
|
0 | 1022 |
|
141 | 1023 |
notifying:anObject |
1024 |
"set the requestor to be notified" |
|
1025 |
||
1026 |
requestor := anObject |
|
426
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1027 |
! |
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1028 |
|
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1029 |
setNameSpace:aNameSpace |
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1030 |
"/ ignored here |
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1031 |
|
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1032 |
"Created: 8.11.1996 / 13:33:10 / cg" |
141 | 1033 |
! ! |
1034 |
||
1035 |
!Scanner methodsFor:'reading next token'! |
|
1036 |
||
1037 |
nextCharacter |
|
1038 |
"a $ has been read - return a character token" |
|
1039 |
||
1040 |
|nextChar| |
|
1041 |
||
0 | 1042 |
source next. |
141 | 1043 |
nextChar := source next. |
1044 |
nextChar notNil ifTrue:[ |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1045 |
tokenValue := token := nextChar. |
671 | 1046 |
tokenType := #Character. |
1047 |
"/ self markConstantFrom:tokenPosition to:(tokenPosition + 1). |
|
141 | 1048 |
] ifFalse:[ |
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1049 |
tokenValue := token := nil. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1050 |
tokenType := #EOF |
141 | 1051 |
]. |
0 | 1052 |
^ tokenType |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1053 |
|
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1054 |
"Modified: / 13.5.1998 / 15:09:50 / cg" |
0 | 1055 |
! |
1056 |
||
1057 |
nextColonOrAssign |
|
1058 |
"colon has been read - look for = to make it an assign" |
|
1059 |
||
120 | 1060 |
"/ special kludge for identifier:= (without spaces inbetween) |
1061 |
"/ here we needed two characters lookahead after the identifier ... |
|
1062 |
||
1063 |
peekChar == $= ifTrue:[ |
|
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1064 |
source next. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1065 |
peekChar := nil. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1066 |
tokenType := token := #':='. |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1067 |
^ tokenType |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1068 |
]. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1069 |
|
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1070 |
"/ special kludge for nameSpace:: (without spaces inbetween) |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1071 |
"/ here we needed two characters lookahead after the identifier ... |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1072 |
|
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1073 |
peekChar == $: ifTrue:[ |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1074 |
source next. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1075 |
peekChar := nil. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1076 |
tokenType := token :=#'::'. |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1077 |
^ tokenType |
120 | 1078 |
]. |
1079 |
||
0 | 1080 |
(source nextPeek == $=) ifTrue:[ |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1081 |
source next. |
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1082 |
tokenType := token := $_ |
0 | 1083 |
] ifFalse:[ |
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1084 |
tokenType := token := $: |
0 | 1085 |
]. |
1086 |
^ tokenType |
|
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1087 |
|
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1088 |
"Modified: / 13.5.1998 / 15:10:04 / cg" |
0 | 1089 |
! |
1090 |
||
141 | 1091 |
nextHash |
500 | 1092 |
|nextChar string part| |
0 | 1093 |
|
141 | 1094 |
nextChar := source nextPeek. |
1095 |
nextChar notNil ifTrue:[ |
|
620 | 1096 |
(nextChar isLetterOrDigit |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1097 |
or:[(allowUnderscoreInIdentifier == true) and:[nextChar == $_]]) ifTrue:[ |
500 | 1098 |
string := ''. |
1099 |
[nextChar notNil |
|
1100 |
and:[nextChar isLetterOrDigit |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1101 |
or:[allowUnderscoreInIdentifier == true |
500 | 1102 |
and:[nextChar == $_]] |
1103 |
] |
|
1104 |
] whileTrue:[ |
|
1105 |
part := source nextAlphaNumericWord. |
|
1106 |
part notNil ifTrue:[ |
|
1107 |
string := string , part. |
|
1108 |
]. |
|
1109 |
nextChar := source peek. |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1110 |
allowUnderscoreInIdentifier == true ifTrue:[ |
500 | 1111 |
nextChar == $_ ifTrue:[ |
1112 |
self warnUnderscoreAt:source position. |
|
1113 |
]. |
|
1114 |
[nextChar == $_] whileTrue:[ |
|
1115 |
string := string copyWith:nextChar. |
|
1116 |
nextChar := source nextPeek. |
|
1117 |
(nextChar isAlphaNumeric) ifTrue:[ |
|
1118 |
string := string , source nextAlphaNumericWord. |
|
1119 |
nextChar := source peek. |
|
1120 |
] |
|
1121 |
]. |
|
1122 |
]. |
|
1123 |
(nextChar == $:) ifFalse:[ |
|
671 | 1124 |
self markSymbolFrom:tokenPosition to:(source position-1). |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1125 |
tokenValue := token := string asSymbol. |
500 | 1126 |
tokenType := #Symbol. |
1127 |
^ tokenType |
|
1128 |
]. |
|
1129 |
string := string copyWith:nextChar. |
|
1130 |
nextChar := source nextPeek |
|
1131 |
]. |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1132 |
tokenValue := token := string asSymbol. |
500 | 1133 |
tokenType := #Symbol. |
1134 |
^ tokenType |
|
1135 |
]. |
|
1136 |
(nextChar == $( ) ifTrue:[ |
|
1137 |
source next. |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1138 |
token := '#('. |
500 | 1139 |
tokenType := #HashLeftParen. |
1140 |
^ tokenType |
|
1141 |
]. |
|
1142 |
(nextChar == $[ ) ifTrue:[ |
|
1143 |
"it seems that ST-80 supports Constant ByteArrays as #[...] |
|
1144 |
(seen in a PD program)" |
|
1145 |
source next. |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1146 |
token := '#['. |
500 | 1147 |
tokenType := #HashLeftBrack. |
1148 |
^ tokenType |
|
1149 |
]. |
|
1150 |
(nextChar == $' ) ifTrue:[ |
|
1151 |
"it seems that ST-80 supports arbitrary symbols as #'...' |
|
1152 |
(seen in a PD program)" |
|
1153 |
self nextString. |
|
671 | 1154 |
self markSymbolFrom:tokenPosition to:(source position-1). |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1155 |
tokenValue := token := tokenValue asSymbol. |
500 | 1156 |
tokenType := #Symbol. |
1157 |
^ tokenType |
|
1158 |
]. |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1159 |
((typeArray at:(nextChar asciiValue)) == #special) ifTrue:[ |
500 | 1160 |
string := source next asString. |
1161 |
nextChar := source peek. |
|
1162 |
nextChar notNil ifTrue:[ |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1163 |
((typeArray at:(nextChar asciiValue)) == #special) ifTrue:[ |
500 | 1164 |
source next. |
1165 |
string := string copyWith:nextChar |
|
1166 |
] |
|
1167 |
]. |
|
671 | 1168 |
self markSymbolFrom:tokenPosition to:(source position-1). |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1169 |
tokenValue := token := string asSymbol. |
500 | 1170 |
tokenType := #Symbol. |
1171 |
^ tokenType |
|
1172 |
] |
|
0 | 1173 |
]. |
141 | 1174 |
"this allows hash to be used as binop - |
1175 |
I dont know, if this is correct ..." |
|
1176 |
||
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1177 |
tokenName := token := '#'. |
0 | 1178 |
tokenType := #BinaryOperator. |
1179 |
^ tokenType |
|
141 | 1180 |
" |
1181 |
self syntaxError:'unexpected end-of-input in Symbol' |
|
500 | 1182 |
position:tokenPosition to:(tokenPosition + 1). |
141 | 1183 |
^ #Error |
1184 |
" |
|
671 | 1185 |
. |
500 | 1186 |
|
671 | 1187 |
"Modified: / 1.4.1998 / 13:02:45 / cg" |
0 | 1188 |
! |
1189 |
||
1190 |
nextId |
|
1191 |
|nextChar string oldString |
|
1192 |
index "{ Class: SmallInteger }" |
|
1193 |
max "{ Class: SmallInteger }" | |
|
1194 |
||
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1195 |
nextChar := source peekOrNil. |
96 | 1196 |
string := String basicNew:20. |
0 | 1197 |
index := 0. |
1198 |
max := 10. |
|
1199 |
[true] whileTrue:[ |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1200 |
(nextChar notNil and:[nextChar isLetterOrDigit]) ifFalse:[ |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1201 |
^ string copyTo:index |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1202 |
]. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1203 |
(index == max) ifTrue:[ |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1204 |
oldString := string. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1205 |
string := String basicNew:(max * 2). |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1206 |
string replaceFrom:1 to:max with:oldString. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1207 |
max := max * 2 |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1208 |
]. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1209 |
index := index + 1. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1210 |
string at:index put:nextChar. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1211 |
nextChar := source nextPeek |
0 | 1212 |
] |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1213 |
|
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1214 |
"Modified: / 5.3.1998 / 02:53:57 / cg" |
0 | 1215 |
! |
1216 |
||
1217 |
nextIdentifier |
|
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1218 |
|nextChar string ok pos| |
0 | 1219 |
|
87 | 1220 |
hereChar == $_ ifTrue:[ |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1221 |
"/ |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1222 |
"/ no need to check for allowUnderscoreInIdentifier here; |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1223 |
"/ could not arrive here if it was off |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1224 |
"/ |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1225 |
nextChar := source nextPeek. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1226 |
(nextChar isAlphaNumeric or:[nextChar == $_]) ifFalse:[ |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1227 |
"oops: a single underscore is an old-style assignement" |
467
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1228 |
nextChar ~~ $: ifTrue:[ |
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1229 |
self warnOldStyleAssignmentAt:tokenPosition. |
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1230 |
source next. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1231 |
tokenType := token := $_. |
467
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1232 |
^ tokenType |
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1233 |
] |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1234 |
]. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1235 |
string := '_'. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1236 |
self warnUnderscoreAt:tokenPosition. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1237 |
[nextChar == $_] whileTrue:[ |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1238 |
string := string copyWith:$_. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1239 |
nextChar := source nextPeek. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1240 |
]. |
467
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1241 |
nextChar isAlphaNumeric ifTrue:[ |
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1242 |
string := string , source nextAlphaNumericWord. |
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1243 |
] |
87 | 1244 |
] ifFalse:[ |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1245 |
string := source nextAlphaNumericWord "self nextId". |
87 | 1246 |
]. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1247 |
nextChar := source peekOrNil. |
87 | 1248 |
|
608 | 1249 |
(nextChar == $_ |
1250 |
or:[nextChar == $$]) ifTrue:[ |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1251 |
ok := (nextChar == $_) ifTrue:[allowUnderscoreInIdentifier] ifFalse:[allowDollarInIdentifier]. |
608 | 1252 |
ok ifTrue:[ |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1253 |
pos := source position. |
608 | 1254 |
nextChar == $_ ifTrue:[ |
610 | 1255 |
self warnUnderscoreAt:pos. |
608 | 1256 |
] ifFalse:[ |
610 | 1257 |
self warnDollarAt:pos. |
608 | 1258 |
]. |
1259 |
[ok] whileTrue:[ |
|
1260 |
string := string copyWith:nextChar. |
|
1261 |
nextChar := source nextPeek. |
|
1262 |
(nextChar isAlphaNumeric) ifTrue:[ |
|
1263 |
string := string , source nextAlphaNumericWord. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1264 |
nextChar := source peekOrNil. |
608 | 1265 |
]. |
1266 |
(nextChar == $_) ifTrue:[ |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1267 |
ok := allowUnderscoreInIdentifier |
608 | 1268 |
] ifFalse:[ |
1269 |
(nextChar == $$) ifTrue:[ |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1270 |
ok := allowDollarInIdentifier |
608 | 1271 |
] ifFalse:[ |
1272 |
ok := false |
|
1273 |
] |
|
1274 |
] |
|
1275 |
]. |
|
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1276 |
]. |
60 | 1277 |
]. |
1278 |
||
0 | 1279 |
(nextChar == $:) ifTrue:[ |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1280 |
source next. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1281 |
(source peekOrNil == $=) ifFalse:[ |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1282 |
(source peekOrNil == $:) ifFalse:[ |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1283 |
tokenName := token := string copyWith:nextChar. |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1284 |
tokenType := #Keyword. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1285 |
^ self |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1286 |
]. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1287 |
peekChar := $:. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1288 |
peekChar2 := $:. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1289 |
] ifTrue:[ |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1290 |
peekChar := $:. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1291 |
peekChar2 := $=. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1292 |
] |
0 | 1293 |
]. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1294 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1295 |
nextChar == $- ifTrue:[ |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1296 |
pos := source position. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1297 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1298 |
warnPossibleIncompatibility:'add a space before ''-'' for compatibility with other systems' |
610 | 1299 |
position:pos to:pos. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1300 |
]. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1301 |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1302 |
tokenName := token := string. |
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1303 |
(self checkForKeyword:string) ifTrue:[^ tokenType]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1304 |
|
0 | 1305 |
tokenType := #Identifier. |
1306 |
^ tokenType |
|
120 | 1307 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1308 |
"Created: / 13.9.1995 / 12:56:42 / claus" |
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1309 |
"Modified: / 13.5.1998 / 14:58:39 / cg" |
0 | 1310 |
! |
1311 |
||
141 | 1312 |
nextMantissa:radix |
1313 |
|nextChar value factor| |
|
1314 |
||
1315 |
value := 0. |
|
1316 |
factor := 1.0 / radix. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1317 |
nextChar := source peekOrNil. |
141 | 1318 |
[(nextChar notNil and:[nextChar isDigitRadix:radix])] whileTrue:[ |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1319 |
value := value + (nextChar digitValue * factor). |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1320 |
factor := factor / radix. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1321 |
nextChar := source nextPeek |
141 | 1322 |
]. |
1323 |
^ value |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1324 |
|
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1325 |
"Modified: / 5.3.1998 / 02:54:11 / cg" |
141 | 1326 |
! |
1327 |
||
1328 |
nextNumber |
|
441 | 1329 |
|nextChar value s tokenRadix| |
141 | 1330 |
|
1331 |
tokenRadix := 10. |
|
1332 |
value := Integer readFrom:source radix:tokenRadix. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1333 |
nextChar := source peekOrNil. |
141 | 1334 |
(nextChar == $r) ifTrue:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1335 |
tokenRadix := value. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1336 |
source next. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1337 |
s := 1. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1338 |
source peekOrNil == $- ifTrue:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1339 |
source next. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1340 |
s := -1 |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1341 |
]. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1342 |
value := Integer readFrom:source radix:tokenRadix. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1343 |
value := value * s. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1344 |
nextChar := source peekOrNil |
141 | 1345 |
]. |
1346 |
(nextChar == $.) ifTrue:[ |
|
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1347 |
nextChar := source nextPeek. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1348 |
(nextChar notNil and:[nextChar isDigitRadix:tokenRadix]) ifTrue:[ |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1349 |
value := value asFloat + (self nextMantissa:tokenRadix). |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1350 |
nextChar := source peekOrNil |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1351 |
] ifFalse:[ |
610 | 1352 |
"/ nextChar == (Character cr) ifTrue:[ |
1353 |
"/ lineNr := lineNr + 1. |
|
1354 |
"/ ]. |
|
499 | 1355 |
nextChar := peekChar := $.. |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1356 |
] |
141 | 1357 |
]. |
1358 |
((nextChar == $e) or:[nextChar == $E]) ifTrue:[ |
|
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1359 |
nextChar := source nextPeek. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1360 |
(nextChar notNil and:[(nextChar isDigitRadix:tokenRadix) or:['+-' includes:nextChar]]) ifTrue:[ |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1361 |
s := 1. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1362 |
(nextChar == $+) ifTrue:[ |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1363 |
nextChar := source nextPeek |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1364 |
] ifFalse:[ |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1365 |
(nextChar == $-) ifTrue:[ |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1366 |
nextChar := source nextPeek. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1367 |
s := s negated |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1368 |
] |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1369 |
]. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1370 |
value := value asFloat |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1371 |
* (10.0 raisedToInteger:((Integer readFrom:source radix:tokenRadix) * s)) |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1372 |
] |
141 | 1373 |
]. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1374 |
nextChar == $- ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1375 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1376 |
warnPossibleIncompatibility:'add a space before ''-'' for compatibility with other systems' |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1377 |
position:(source position) to:source position. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1378 |
]. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1379 |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1380 |
tokenValue := token := value. |
141 | 1381 |
(value isMemberOf:Float) ifTrue:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1382 |
(nextChar == $d) ifTrue:[ |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1383 |
source next |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1384 |
]. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1385 |
tokenType := #Float |
141 | 1386 |
] ifFalse:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1387 |
tokenType := #Integer |
141 | 1388 |
]. |
671 | 1389 |
"/ self markConstantFrom:tokenPosition to:(source position - 1). |
141 | 1390 |
^ tokenType |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1391 |
|
671 | 1392 |
"Modified: / 1.4.1998 / 13:06:28 / cg" |
141 | 1393 |
! |
1394 |
||
0 | 1395 |
nextPrimitive |
1396 |
|nextChar inPrimitive string |
|
1397 |
index "{ Class: SmallInteger }" |
|
1398 |
len "{ Class: SmallInteger }" | |
|
1399 |
||
1400 |
nextChar := source nextPeek. |
|
1401 |
string := String new:500. |
|
1402 |
len := 500. |
|
1403 |
index := 1. |
|
1404 |
(nextChar == ${) ifTrue:[ |
|
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1405 |
nextChar := source nextPeek. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1406 |
inPrimitive := true. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1407 |
[inPrimitive] whileTrue:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1408 |
[nextChar == $%] whileFalse:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1409 |
nextChar isNil ifTrue:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1410 |
self syntaxError:'unterminated primitive' |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1411 |
position:tokenPosition to:source position. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1412 |
^ #Error |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1413 |
]. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1414 |
string at:index put:nextChar. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1415 |
(index == len) ifTrue:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1416 |
string := string , (String new:len). |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1417 |
len := len * 2 |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1418 |
]. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1419 |
index := index + 1. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1420 |
nextChar := source next |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1421 |
]. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1422 |
(source peekOrNil == $}) ifTrue:[ |
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1423 |
inPrimitive := false |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1424 |
] ifFalse:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1425 |
string at:index put:nextChar. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1426 |
(index == len) ifTrue:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1427 |
string := string , (String new:len). |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1428 |
len := len * 2 |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1429 |
]. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1430 |
index := index + 1. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1431 |
nextChar := source next |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1432 |
] |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1433 |
]. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1434 |
source next. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1435 |
tokenValue := token := string copyTo:(index - 1). |
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1436 |
tokenType := #Primitive. |
610 | 1437 |
lineNr := lineNr + (tokenValue occurrencesOf:(Character cr)). |
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1438 |
^ tokenType |
0 | 1439 |
]. |
1440 |
||
1441 |
"a % alone is a binary operator" |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1442 |
tokenName := token := '%'. |
0 | 1443 |
tokenType := #BinaryOperator. |
1444 |
^ tokenType. |
|
1445 |
" |
|
1446 |
self syntaxError:('invalid character: ''' , nextChar asString , '''') |
|
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1447 |
position:tokenPosition to:(tokenPosition + 1). |
0 | 1448 |
^ #Error |
1449 |
" |
|
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1450 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1451 |
"Modified: / 5.3.1998 / 02:54:43 / cg" |
0 | 1452 |
! |
1453 |
||
141 | 1454 |
nextSpecial |
1455 |
"a special character has been read, look for another one. |
|
1456 |
also -number is handled here" |
|
1457 |
||
1458 |
|firstChar secondChar thirdChar string p| |
|
0 | 1459 |
|
141 | 1460 |
firstChar := source next. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1461 |
secondChar := source peekOrNil. |
241
418eb41350d3
no debugger when parsing '-' (which is wrong anyway ...)
Claus Gittinger <cg@exept.de>
parents:
148
diff
changeset
|
1462 |
((firstChar == $-) and:[secondChar notNil]) ifTrue:[ |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1463 |
secondChar isDigit ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1464 |
self nextNumber. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1465 |
tokenValue := token := tokenValue negated. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1466 |
^ tokenType |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1467 |
] |
0 | 1468 |
]. |
141 | 1469 |
string := firstChar asString. |
1470 |
secondChar notNil ifTrue:[ |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1471 |
((typeArray at:(secondChar asciiValue)) == #special) ifTrue:[ |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1472 |
(secondChar == $-) ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1473 |
"special- look if minus belongs to number following" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1474 |
p := source position. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1475 |
source next. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1476 |
thirdChar := source peekOrNil. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1477 |
source position:p. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1478 |
thirdChar isDigit ifTrue:[ |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1479 |
tokenName := token := string. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1480 |
tokenType := #BinaryOperator. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1481 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1482 |
warnPossibleIncompatibility:'add a space before ''-'' for compatibility with other ST systems' |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1483 |
position:p-1 |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1484 |
to:p. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1485 |
^ tokenType |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1486 |
] |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1487 |
]. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1488 |
source next. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1489 |
string := string copyWith:secondChar |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1490 |
]. |
141 | 1491 |
]. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1492 |
tokenName := token := string. |
45 | 1493 |
tokenType := #BinaryOperator. |
3 | 1494 |
^ tokenType |
241
418eb41350d3
no debugger when parsing '-' (which is wrong anyway ...)
Claus Gittinger <cg@exept.de>
parents:
148
diff
changeset
|
1495 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1496 |
"Modified: / 5.3.1998 / 02:54:54 / cg" |
0 | 1497 |
! |
1498 |
||
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1499 |
nextString |
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1500 |
|nextChar string pos |
0 | 1501 |
index "{ Class: SmallInteger }" |
1502 |
len "{ Class: SmallInteger }" |
|
1503 |
inString| |
|
1504 |
||
96 | 1505 |
string := String basicNew:20. |
0 | 1506 |
len := 20. |
1507 |
index := 1. |
|
1508 |
pos := source position. |
|
1509 |
source next. |
|
1510 |
nextChar := source next. |
|
1511 |
inString := true. |
|
1512 |
||
1513 |
[inString] whileTrue:[ |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1514 |
nextChar isNil ifTrue:[ |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1515 |
self syntaxError:'unexpected end-of-input in String' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1516 |
position:pos to:(source position - 1). |
661 | 1517 |
self markStringFrom:pos to:source position-1. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1518 |
token := nil. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1519 |
tokenType := #EOF. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1520 |
^ tokenType |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1521 |
]. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1522 |
(nextChar == Character cr) ifTrue:[ |
610 | 1523 |
lineNr := lineNr + 1 |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1524 |
]. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1525 |
(nextChar == Character quote) ifTrue:[ |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1526 |
(source peekOrNil == Character quote) ifTrue:[ |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1527 |
source next |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1528 |
] ifFalse:[ |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1529 |
inString := false |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1530 |
] |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1531 |
]. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1532 |
inString ifTrue:[ |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1533 |
string at:index put:nextChar. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1534 |
(index == len) ifTrue:[ |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1535 |
string := string , (String new:len). |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1536 |
len := len * 2 |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1537 |
]. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1538 |
index := index + 1. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1539 |
nextChar := source next |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1540 |
] |
0 | 1541 |
]. |
661 | 1542 |
self markStringFrom:pos to:source position-1. |
1543 |
||
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1544 |
tokenValue := token := string copyTo:(index - 1). |
0 | 1545 |
tokenType := #String. |
1546 |
^ tokenType |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1547 |
|
661 | 1548 |
"Modified: / 31.3.1998 / 17:33:14 / cg" |
141 | 1549 |
! |
1550 |
||
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1551 |
nextToken |
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1552 |
"return the next token from the source-stream" |
141 | 1553 |
|
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1554 |
|skipping actionBlock v ch| |
141 | 1555 |
|
1556 |
peekChar notNil ifTrue:[ |
|
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1557 |
peekChar isSeparator ifTrue:[ |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1558 |
peekChar == (Character cr) ifTrue:[ |
610 | 1559 |
lineNr := lineNr + 1. |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1560 |
]. |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1561 |
peekChar := peekChar2. |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1562 |
peekChar2 := nil. |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1563 |
]. |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1564 |
]. |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1565 |
|
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1566 |
peekChar notNil ifTrue:[ |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1567 |
ch := peekChar. |
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1568 |
peekChar := peekChar2. |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1569 |
peekChar2 := nil. |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1570 |
hereChar := nil. |
141 | 1571 |
] ifFalse:[ |
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1572 |
skipping := true. |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1573 |
[skipping] whileTrue:[ |
487
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1574 |
|
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1575 |
outStream notNil ifTrue:[ |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1576 |
hereChar := source peekOrNil. |
487
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1577 |
[(hereChar == Character space) |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1578 |
or:[hereChar isSeparator] |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1579 |
] whileTrue:[ |
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1580 |
source next. |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1581 |
outStream space. |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1582 |
outCol := outCol + 1. |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1583 |
] |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1584 |
] ifFalse:[ |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1585 |
hereChar := source skipSeparatorsExceptCR. |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1586 |
]. |
487
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1587 |
|
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1588 |
hereChar == (Character cr) ifTrue:[ |
610 | 1589 |
lineNr := lineNr + 1. |
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1590 |
source next. |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1591 |
outStream notNil ifTrue:[ |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1592 |
outStream cr. |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1593 |
outCol := 1 |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1594 |
] |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1595 |
] ifFalse:[ |
487
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1596 |
hereChar == (Character return) ifTrue:[ |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1597 |
outStream notNil ifTrue:[ |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1598 |
outStream nextPut:hereChar. |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1599 |
outCol := 1 |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1600 |
]. |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1601 |
source next. |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1602 |
] ifFalse:[ |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1603 |
hereChar == (Character doubleQuote) ifTrue:[ |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1604 |
"start of a comment" |
141 | 1605 |
|
487
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1606 |
self skipComment. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1607 |
hereChar := source peekOrNil. |
487
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1608 |
] ifFalse:[ |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1609 |
skipping := false |
4bc6586a7d67
oops - did not treat return as whiteSpace
Claus Gittinger <cg@exept.de>
parents:
467
diff
changeset
|
1610 |
] |
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1611 |
] |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1612 |
] |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1613 |
]. |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1614 |
hereChar isNil ifTrue:[ |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1615 |
token := nil. |
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1616 |
tokenType := #EOF. |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1617 |
^ tokenType |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1618 |
]. |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1619 |
ch := hereChar |
141 | 1620 |
]. |
1621 |
tokenPosition := source position. |
|
610 | 1622 |
tokenLineNr := lineNr. |
141 | 1623 |
|
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1624 |
(v := ch asciiValue) == 0 ifTrue:[ |
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1625 |
v := Character space asciiValue |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1626 |
]. |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1627 |
actionBlock := actionArray at:v. |
141 | 1628 |
actionBlock notNil ifTrue:[ |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1629 |
^ actionBlock value:self value:ch |
141 | 1630 |
]. |
1631 |
||
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1632 |
self syntaxError:('invalid character: ''' , ch asString , ''' ', |
449
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1633 |
'(' , v printString , ')') |
6ad7a414ea5d
just to make certain: handle 0-characters in input
Claus Gittinger <cg@exept.de>
parents:
441
diff
changeset
|
1634 |
position:tokenPosition to:tokenPosition. |
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1635 |
source next. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1636 |
tokenName := nil. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1637 |
tokenType := token := #Error. |
141 | 1638 |
^ #Error |
1639 |
||
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1640 |
"Modified: / 13.9.1995 / 12:56:14 / claus" |
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1641 |
"Modified: / 13.5.1998 / 15:11:39 / cg" |
141 | 1642 |
! |
1643 |
||
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1644 |
nextToken:aCharacter |
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1645 |
tokenType := token := aCharacter. |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1646 |
hereChar notNil ifTrue:[source next]. |
141 | 1647 |
^ tokenType |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1648 |
|
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1649 |
"Modified: / 13.5.1998 / 15:10:23 / cg" |
141 | 1650 |
! |
1651 |
||
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1652 |
skipComment |
648 | 1653 |
|commentStream commentType startPos| |
141 | 1654 |
|
1655 |
saveComments ifTrue:[ |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1656 |
commentStream := WriteStream on:''. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1657 |
self beginComment. |
141 | 1658 |
]. |
1659 |
||
1660 |
outStream notNil ifTrue:[ |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1661 |
outStream nextPut:Character doubleQuote. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1662 |
outCol := outCol + 1 |
141 | 1663 |
]. |
1664 |
||
1665 |
startPos := source position. |
|
1666 |
source next. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1667 |
hereChar := source peekOrNil. |
141 | 1668 |
|
1669 |
" |
|
1670 |
special ST/X addition: |
|
1671 |
a $/ right after the initial double quote makes it an up-to-end-of-line comment, |
|
1672 |
which is very useful to comment out parts of filed-in source code. |
|
1673 |
Since this is non-standard, use it in very rare cases only. |
|
1674 |
(maybe the upcoming ansi-standard adds something similar - in this case, I will |
|
1675 |
change it without notice)" |
|
1676 |
||
1677 |
hereChar == $/ ifTrue:[ |
|
648 | 1678 |
commentType := #eolComment. |
1679 |
||
1680 |
hereChar := source nextPeek. |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1681 |
[hereChar notNil and:[hereChar ~~ Character cr]] whileTrue:[ |
648 | 1682 |
commentStream notNil ifTrue:[ |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1683 |
commentStream nextPut:hereChar |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1684 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1685 |
outStream notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1686 |
outStream nextPut:hereChar. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1687 |
outCol := outCol + 1 |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1688 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1689 |
hereChar := source nextPeek. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1690 |
]. |
659
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
1691 |
self markCommentFrom:startPos to:(source position). |
610 | 1692 |
lineNr := lineNr + 1. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1693 |
ignoreWarnings ifFalse:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1694 |
warnSTXSpecialComment ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1695 |
self warning:'end-of-line comments are a nonstandard feature of ST/X' |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1696 |
position:startPos to:(source position). |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1697 |
" |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1698 |
only warn once |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1699 |
" |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1700 |
warnSTXSpecialComment := false |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1701 |
] |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1702 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1703 |
outStream notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1704 |
outStream cr. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1705 |
outCol := 1 |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1706 |
]. |
141 | 1707 |
] ifFalse:[ |
648 | 1708 |
commentType := #regularComment. |
1709 |
||
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1710 |
hereChar == ${ ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1711 |
" |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1712 |
special ST/X addition: |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1713 |
a ${ right after the initial double quote starts a directive |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1714 |
" |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1715 |
self parseDirective |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1716 |
]. |
141 | 1717 |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1718 |
[hereChar notNil and:[hereChar ~~ (Character doubleQuote)]] whileTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1719 |
hereChar == (Character cr) ifTrue:[ |
610 | 1720 |
lineNr := lineNr + 1. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1721 |
]. |
648 | 1722 |
commentStream notNil ifTrue:[ |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1723 |
commentStream nextPut:hereChar |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1724 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1725 |
outStream notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1726 |
outStream nextPut:hereChar. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1727 |
outCol := outCol + 1 |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1728 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1729 |
hereChar := source nextPeek |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1730 |
]. |
666 | 1731 |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1732 |
hereChar isNil ifTrue:[ |
666 | 1733 |
self markCommentFrom:startPos to:(source size). |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1734 |
self warning:'unclosed comment' position:startPos to:(source position) |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1735 |
] ifFalse:[ |
666 | 1736 |
self markCommentFrom:startPos to:(source position). |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1737 |
outStream notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1738 |
outStream nextPut:(Character doubleQuote). |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1739 |
outCol := outCol + 1 |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1740 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1741 |
] |
141 | 1742 |
]. |
1743 |
||
1744 |
"skip final dQuote or cr" |
|
1745 |
source next. |
|
1746 |
||
1747 |
saveComments ifTrue:[ |
|
648 | 1748 |
self endComment:(commentStream contents) type:commentType. |
141 | 1749 |
]. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1750 |
|
666 | 1751 |
"Modified: / 31.3.1998 / 23:45:26 / cg" |
648 | 1752 |
! ! |
1753 |
||
1754 |
!Scanner::Comment methodsFor:'accessing'! |
|
1755 |
||
1756 |
commentString |
|
1757 |
"return the value of the instance variable 'commentString' (automatically generated)" |
|
1758 |
||
1759 |
^ commentString |
|
1760 |
||
1761 |
"Created: / 17.2.1998 / 14:44:33 / cg" |
|
1762 |
! |
|
1763 |
||
1764 |
commentString:something |
|
1765 |
"set the value of the instance variable 'commentString' (automatically generated)" |
|
1766 |
||
1767 |
commentString := something. |
|
1768 |
||
1769 |
"Created: / 17.2.1998 / 14:44:33 / cg" |
|
1770 |
! |
|
1771 |
||
1772 |
commentType |
|
1773 |
"return the value of the instance variable 'commentType' (automatically generated)" |
|
1774 |
||
1775 |
^ commentType |
|
1776 |
||
1777 |
"Created: / 17.2.1998 / 14:44:33 / cg" |
|
1778 |
! |
|
1779 |
||
1780 |
commentType:something |
|
1781 |
"set the value of the instance variable 'commentType' (automatically generated)" |
|
1782 |
||
1783 |
commentType := something. |
|
1784 |
||
1785 |
"Created: / 17.2.1998 / 14:44:33 / cg" |
|
1786 |
! |
|
1787 |
||
1788 |
string |
|
1789 |
^ commentString |
|
1790 |
||
1791 |
"Created: / 17.2.1998 / 14:49:52 / cg" |
|
0 | 1792 |
! ! |
141 | 1793 |
|
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1794 |
!Scanner class methodsFor:'documentation'! |
148 | 1795 |
|
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1796 |
version |
709 | 1797 |
^ '$Header: /cvs/stx/stx/libcomp/Scanner.st,v 1.82 1998-05-13 17:58:56 cg Exp $' |
148 | 1798 |
! ! |
141 | 1799 |
Scanner initialize! |