| author | Jan Vrany <jan.vrany@fit.cvut.cz> |
| Wed, 03 Jun 2015 08:48:59 +0100 | |
| changeset 482 | 9a7e7a05233f |
| parent 427 | a7f5e6de19d2 |
| permissions | -rw-r--r-- |
|
427
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
1 |
"{ Package: 'stx:goodies/petitparser' }"
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
2 |
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
3 |
"{ NameSpace: Smalltalk }"
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
4 |
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
5 |
PPParser subclass:#PPStartOfWordParser |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
6 |
instanceVariableNames:'' |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
7 |
classVariableNames:'' |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
8 |
poolDictionaries:'' |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
9 |
category:'PetitParser-Parsers' |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
10 |
! |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
11 |
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
12 |
!PPStartOfWordParser methodsFor:'as yet unclassified'! |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
13 |
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
14 |
acceptsEpsilon |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
15 |
^ true |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
16 |
! |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
17 |
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
18 |
parseOn: aPPContext |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
19 |
aPPContext atEnd ifTrue: [ |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
20 |
^ PPFailure message: 'Start of word expected' context: aPPContext at: aPPContext position |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
21 |
]. |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
22 |
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
23 |
(aPPContext position == 0) ifTrue: [ |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
24 |
(aPPContext peek isAlphaNumeric) ifTrue: [ |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
25 |
^ #startOfWord |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
26 |
] ifFalse: [ |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
27 |
^ PPFailure message: 'Start of word expected' context: aPPContext at: aPPContext position |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
28 |
] |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
29 |
]. |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
30 |
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
31 |
aPPContext back. |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
32 |
aPPContext peek isAlphaNumeric ifTrue: [ |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
33 |
^ PPFailure message: 'Start of word expected' context: aPPContext at: aPPContext position |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
34 |
]. |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
35 |
aPPContext next. |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
36 |
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
37 |
^ aPPContext peek isAlphaNumeric ifTrue: [ #startOfWord ] ifFalse: [ |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
38 |
PPFailure message: 'Start of word expected' context: aPPContext at: aPPContext position |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
39 |
] |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
40 |
|
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
41 |
! ! |
|
a7f5e6de19d2
Merged JK's version from Monticello
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
42 |