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28
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1 |
Object subclass:#JavaContext
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117
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2 |
instanceVariableNames:'method class sender stack frameBase pc sp'
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28
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3 |
classVariableNames:''
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4 |
poolDictionaries:''
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5 |
category:'Java-Support'
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6 |
!
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7 |
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8 |
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9 |
!JavaContext methodsFor:'ST context mimicri'!
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10 |
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11 |
argsAndVars
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117
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12 |
|nArgs nVars|
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13 |
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14 |
nArgs := method numArgs.
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15 |
nVars := method numVars.
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28
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16 |
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41
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17 |
method isStatic ifTrue:[
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117
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18 |
(nArgs + nVars) == 0 ifTrue:[
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19 |
^ #()
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20 |
].
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21 |
^ (stack copyFrom:frameBase to:(frameBase + nArgs + nVars - 1)) asArray
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41
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22 |
].
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117
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23 |
^ (stack copyFrom:(frameBase+1) to:(frameBase + nArgs + nVars)) asArray
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28
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24 |
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25 |
"Created: 1.5.1996 / 17:32:44 / cg"
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26 |
"Modified: 1.5.1996 / 17:41:50 / cg"
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27 |
!
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28 |
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29 |
canReturn
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30 |
^ false
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31 |
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32 |
"Created: 1.5.1996 / 15:05:36 / cg"
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33 |
!
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34 |
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156
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35 |
findNextContextWithSelector:sel1 or:sel2
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36 |
sender isNil ifTrue:[^ nil].
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37 |
^ sender findNextContextWithSelector:sel1 or:sel2
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38 |
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39 |
"Created: 20.3.1997 / 13:54:01 / cg"
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40 |
!
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41 |
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88
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42 |
hasStackToShow
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43 |
^ true
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44 |
!
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45 |
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28
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46 |
isBlockContext
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47 |
^ false
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48 |
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49 |
"Created: 1.5.1996 / 15:05:26 / cg"
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50 |
!
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51 |
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52 |
lineNumber
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43
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53 |
|nr|
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54 |
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55 |
pc isNil ifTrue:[^0].
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56 |
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57 |
nr := method lineNumberForPC:pc.
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58 |
nr isNil ifTrue:[^ 0].
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59 |
^ nr.
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28
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60 |
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61 |
"Created: 1.5.1996 / 15:05:47 / cg"
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62 |
!
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63 |
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64 |
methodClass
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65 |
^ class
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66 |
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67 |
"Created: 1.5.1996 / 15:04:17 / cg"
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68 |
!
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69 |
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70 |
methodHome
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71 |
^ self
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72 |
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73 |
"Created: 1.5.1996 / 15:03:43 / cg"
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74 |
!
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75 |
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76 |
numArgs
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77 |
^ method numArgs
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78 |
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79 |
"Created: 1.5.1996 / 15:04:35 / cg"
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80 |
!
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81 |
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129
|
82 |
numVars
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28
|
83 |
^ 0
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84 |
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85 |
"Created: 1.5.1996 / 15:05:03 / cg"
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86 |
!
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87 |
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|
88 |
receiver
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41
|
89 |
method isStatic ifTrue:[
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|
90 |
^ method javaClass
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|
91 |
].
|
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84
|
92 |
frameBase > stack size ifTrue:[
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|
93 |
^ nil
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|
94 |
].
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198
|
95 |
"/ method displayString printCR.
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|
96 |
"/ frameBase print. ' -> ' print. (stack at:frameBase) printCR.
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28
|
97 |
^ stack at:frameBase
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98 |
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|
99 |
"Created: 1.5.1996 / 15:04:03 / cg"
|
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198
|
100 |
"Modified: 4.8.1997 / 23:39:01 / cg"
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28
|
101 |
!
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102 |
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32
|
103 |
selector
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104 |
^ (method name , method signature) asSymbol "/ signatureName
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28
|
105 |
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|
106 |
"Created: 1.5.1996 / 15:03:03 / cg"
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88
|
107 |
!
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|
108 |
|
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117
|
109 |
stack
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110 |
^ stack
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111 |
!
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112 |
|
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88
|
113 |
stackFrame
|
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117
|
114 |
sp < frameBase ifTrue:[
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|
115 |
'oops - negative stackFrame' errorPrintCR.
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|
116 |
^ #()
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|
117 |
].
|
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198
|
118 |
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|
119 |
"/ method displayString printCR.
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|
120 |
"/ frameBase print. ' ... ' print. (sp-1) printCR.
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|
121 |
"/ (stack collect:[:e | e class name]) printCR.
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122 |
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|
123 |
"/ method isStatic ifFalse:[
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|
124 |
"/ ^ stack copyFrom:frameBase+1 to:(sp-1)
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|
125 |
"/ ].
|
|
117
|
126 |
^ stack copyFrom:frameBase to:(sp-1)
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198
|
127 |
|
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|
128 |
"Modified: 4.8.1997 / 23:39:38 / cg"
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28
|
129 |
! !
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130 |
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|
131 |
!JavaContext methodsFor:'accessing'!
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132 |
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|
133 |
class:aJavaClass method:aJavaMethod sender:aContext stack:s frameBase:f
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134 |
class := aJavaClass.
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|
135 |
method := aJavaMethod.
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|
136 |
sender := aContext.
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|
137 |
stack := s.
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|
138 |
frameBase := f
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|
139 |
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|
140 |
"Modified: 1.5.1996 / 17:39:34 / cg"
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|
141 |
"Created: 1.5.1996 / 17:42:27 / cg"
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|
142 |
!
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|
143 |
|
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117
|
144 |
class:aJavaClass method:aJavaMethod sender:aContext stack:s stackPointer:spp frameBase:f
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|
145 |
class := aJavaClass.
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|
146 |
method := aJavaMethod.
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|
147 |
sender := aContext.
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|
148 |
stack := s.
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|
149 |
sp := spp.
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|
150 |
frameBase := f
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151 |
|
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|
152 |
"Modified: 1.5.1996 / 17:39:34 / cg"
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|
153 |
"Created: 1.5.1996 / 17:42:27 / cg"
|
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|
154 |
!
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|
155 |
|
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28
|
156 |
method
|
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|
157 |
^ method.
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|
158 |
|
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|
159 |
"Created: 1.5.1996 / 15:00:23 / cg"
|
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|
160 |
"Modified: 1.5.1996 / 15:00:47 / cg"
|
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|
161 |
!
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|
162 |
|
|
32
|
163 |
pc
|
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|
164 |
^ pc
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|
165 |
!
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|
166 |
|
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28
|
167 |
sender
|
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|
168 |
^ sender.
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|
169 |
|
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|
170 |
"Modified: 1.5.1996 / 15:00:47 / cg"
|
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|
171 |
"Created: 1.5.1996 / 15:01:18 / cg"
|
|
32
|
172 |
!
|
|
|
173 |
|
|
|
174 |
setPC:anInteger
|
|
|
175 |
pc := anInteger
|
|
117
|
176 |
!
|
|
|
177 |
|
|
125
|
178 |
setPC:pcInteger SP:spInteger
|
|
|
179 |
pc := pcInteger.
|
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|
180 |
sp := spInteger.
|
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|
181 |
!
|
|
|
182 |
|
|
117
|
183 |
setSP:anInteger
|
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|
184 |
sp := anInteger
|
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|
185 |
!
|
|
|
186 |
|
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|
187 |
setStack:aCollection
|
|
|
188 |
stack := aCollection
|
|
|
189 |
!
|
|
|
190 |
|
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|
191 |
sp
|
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|
192 |
^ sp
|
|
28
|
193 |
! !
|
|
|
194 |
|
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|
195 |
!JavaContext methodsFor:'printing & storing'!
|
|
|
196 |
|
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|
197 |
printString
|
|
205
|
198 |
|nm mS recCls rec recClsName rnm|
|
|
52
|
199 |
|
|
205
|
200 |
nm := class fullName.
|
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|
201 |
(nm startsWith:'java/lang/') ifTrue:[
|
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|
202 |
nm := class name
|
|
52
|
203 |
] ifFalse:[
|
|
205
|
204 |
(nm startsWith:'java.lang.') ifTrue:[
|
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|
205 |
nm := class name
|
|
52
|
206 |
].
|
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|
207 |
].
|
|
205
|
208 |
|
|
|
209 |
"/ to avoid confusion with corresponding smalltalk classes ...
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|
|
210 |
(Smalltalk includesKey:(nm asSymbol)) ifTrue:[
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|
211 |
nm := 'JAVA-' , nm
|
|
|
212 |
].
|
|
|
213 |
|
|
52
|
214 |
mS := nm , '::' , method signatureName.
|
|
|
215 |
|
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|
216 |
rec := self receiver.
|
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|
217 |
recCls := rec class.
|
|
28
|
218 |
|
|
52
|
219 |
(rec isKindOf:JavaObject) ifFalse:[
|
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|
220 |
rnm := '[' , recCls name , ']'
|
|
|
221 |
] ifTrue:[
|
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|
222 |
recClsName := recCls name.
|
|
205
|
223 |
(Smalltalk includesKey:(recClsName asSymbol)) ifTrue:[
|
|
52
|
224 |
rnm := 'JAVA-' , recClsName
|
|
|
225 |
] ifFalse:[
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|
226 |
(recCls fullName startsWith:'java/lang/') ifTrue:[
|
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|
227 |
rnm := recClsName
|
|
|
228 |
] ifFalse:[
|
|
|
229 |
rnm := recCls fullName
|
|
|
230 |
].
|
|
|
231 |
].
|
|
|
232 |
].
|
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28
|
233 |
|
|
52
|
234 |
(rnm ~= nm) ifTrue:[
|
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|
235 |
^ rnm , '>>' , mS
|
|
28
|
236 |
].
|
|
|
237 |
|
|
|
238 |
^ mS
|
|
|
239 |
|
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|
240 |
"Created: 1.5.1996 / 15:07:43 / cg"
|
|
205
|
241 |
"Modified: 8.8.1997 / 12:12:25 / cg"
|
|
28
|
242 |
! !
|
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|
243 |
|
|
129
|
244 |
!JavaContext class methodsFor:'documentation'!
|
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28
|
245 |
|
|
|
246 |
version
|
|
205
|
247 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaContext.st,v 1.13 1997/08/08 10:23:01 cg Exp $'
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28
|
248 |
! !
|