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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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^ #()
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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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88
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35 |
hasStackToShow
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36 |
^ true
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37 |
!
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38 |
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28
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39 |
isBlockContext
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40 |
^ false
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41 |
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42 |
"Created: 1.5.1996 / 15:05:26 / cg"
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43 |
!
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44 |
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45 |
lineNumber
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43
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46 |
|nr|
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47 |
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48 |
pc isNil ifTrue:[^0].
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49 |
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50 |
nr := method lineNumberForPC:pc.
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51 |
nr isNil ifTrue:[^ 0].
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52 |
^ nr.
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28
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53 |
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54 |
"Created: 1.5.1996 / 15:05:47 / cg"
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55 |
!
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56 |
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57 |
methodClass
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58 |
^ class
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59 |
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60 |
"Created: 1.5.1996 / 15:04:17 / cg"
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61 |
!
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62 |
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63 |
methodHome
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64 |
^ self
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65 |
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66 |
"Created: 1.5.1996 / 15:03:43 / cg"
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67 |
!
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68 |
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69 |
numArgs
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70 |
^ method numArgs
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71 |
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72 |
"Created: 1.5.1996 / 15:04:35 / cg"
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73 |
!
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74 |
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75 |
nvars
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76 |
^ 0
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77 |
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78 |
"Created: 1.5.1996 / 15:05:03 / cg"
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79 |
!
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80 |
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81 |
receiver
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41
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82 |
method isStatic ifTrue:[
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83 |
^ method javaClass
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84 |
].
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84
|
85 |
frameBase > stack size ifTrue:[
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86 |
^ nil
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|
87 |
].
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28
|
88 |
^ stack at:frameBase
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89 |
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|
90 |
"Created: 1.5.1996 / 15:04:03 / cg"
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91 |
"Modified: 1.5.1996 / 17:43:17 / cg"
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92 |
!
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93 |
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32
|
94 |
selector
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|
95 |
^ (method name , method signature) asSymbol "/ signatureName
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28
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96 |
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97 |
"Created: 1.5.1996 / 15:03:03 / cg"
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88
|
98 |
!
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99 |
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117
|
100 |
stack
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101 |
^ stack
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102 |
!
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103 |
|
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88
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104 |
stackFrame
|
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117
|
105 |
sp < frameBase ifTrue:[
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106 |
'oops - negative stackFrame' errorPrintCR.
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|
107 |
^ #()
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|
108 |
].
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|
109 |
^ stack copyFrom:frameBase to:(sp-1)
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28
|
110 |
! !
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111 |
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112 |
!JavaContext methodsFor:'accessing'!
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113 |
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114 |
class:aJavaClass method:aJavaMethod sender:aContext stack:s frameBase:f
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115 |
class := aJavaClass.
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116 |
method := aJavaMethod.
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117 |
sender := aContext.
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118 |
stack := s.
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|
119 |
frameBase := f
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120 |
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121 |
"Modified: 1.5.1996 / 17:39:34 / cg"
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|
122 |
"Created: 1.5.1996 / 17:42:27 / cg"
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|
123 |
!
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124 |
|
|
117
|
125 |
class:aJavaClass method:aJavaMethod sender:aContext stack:s stackPointer:spp frameBase:f
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126 |
class := aJavaClass.
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|
127 |
method := aJavaMethod.
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128 |
sender := aContext.
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129 |
stack := s.
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|
130 |
sp := spp.
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131 |
frameBase := f
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132 |
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|
133 |
"Modified: 1.5.1996 / 17:39:34 / cg"
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|
134 |
"Created: 1.5.1996 / 17:42:27 / cg"
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|
135 |
!
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136 |
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28
|
137 |
method
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|
138 |
^ method.
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|
139 |
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|
140 |
"Created: 1.5.1996 / 15:00:23 / cg"
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|
141 |
"Modified: 1.5.1996 / 15:00:47 / cg"
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|
142 |
!
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143 |
|
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32
|
144 |
pc
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|
145 |
^ pc
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|
146 |
!
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147 |
|
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28
|
148 |
sender
|
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|
149 |
^ sender.
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|
150 |
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|
151 |
"Modified: 1.5.1996 / 15:00:47 / cg"
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|
152 |
"Created: 1.5.1996 / 15:01:18 / cg"
|
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32
|
153 |
!
|
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|
154 |
|
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|
155 |
setPC:anInteger
|
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|
156 |
pc := anInteger
|
|
117
|
157 |
!
|
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|
158 |
|
|
125
|
159 |
setPC:pcInteger SP:spInteger
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|
|
160 |
pc := pcInteger.
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|
161 |
sp := spInteger.
|
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|
162 |
!
|
|
|
163 |
|
|
117
|
164 |
setSP:anInteger
|
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|
165 |
sp := anInteger
|
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|
166 |
!
|
|
|
167 |
|
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|
168 |
setStack:aCollection
|
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|
169 |
stack := aCollection
|
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|
170 |
!
|
|
|
171 |
|
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|
172 |
sp
|
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|
173 |
^ sp
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28
|
174 |
! !
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|
175 |
|
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|
176 |
!JavaContext methodsFor:'printing & storing'!
|
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|
177 |
|
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|
178 |
printString
|
|
52
|
179 |
|clsName nm mS recCls rec recClsName rnm|
|
|
|
180 |
|
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|
181 |
clsName := class name.
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|
182 |
(Smalltalk includes:(clsName asSymbol)) ifTrue:[
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|
183 |
nm := 'JAVA-' , clsName
|
|
|
184 |
] ifFalse:[
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|
185 |
(class fullName startsWith:'java/lang/') ifTrue:[
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|
186 |
nm := clsName
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|
187 |
] ifFalse:[
|
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|
188 |
nm := class fullName
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|
189 |
].
|
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|
190 |
].
|
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|
191 |
mS := nm , '::' , method signatureName.
|
|
|
192 |
|
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|
193 |
rec := self receiver.
|
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|
194 |
recCls := rec class.
|
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28
|
195 |
|
|
52
|
196 |
(rec isKindOf:JavaObject) ifFalse:[
|
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|
197 |
rnm := '[' , recCls name , ']'
|
|
|
198 |
] ifTrue:[
|
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|
199 |
recClsName := recCls name.
|
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|
200 |
(Smalltalk includes:(recClsName asSymbol)) ifTrue:[
|
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|
201 |
rnm := 'JAVA-' , recClsName
|
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|
202 |
] ifFalse:[
|
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|
203 |
(recCls fullName startsWith:'java/lang/') ifTrue:[
|
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|
204 |
rnm := recClsName
|
|
|
205 |
] ifFalse:[
|
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|
206 |
rnm := recCls fullName
|
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|
207 |
].
|
|
|
208 |
].
|
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|
209 |
].
|
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28
|
210 |
|
|
52
|
211 |
(rnm ~= nm) ifTrue:[
|
|
|
212 |
^ rnm , '>>' , mS
|
|
28
|
213 |
].
|
|
|
214 |
|
|
|
215 |
^ mS
|
|
|
216 |
|
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|
217 |
"Created: 1.5.1996 / 15:07:43 / cg"
|
|
|
218 |
"Modified: 1.5.1996 / 17:58:16 / cg"
|
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|
219 |
! !
|
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|
220 |
|
|
84
|
221 |
!JavaContext class methodsFor:'documentation'!
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28
|
222 |
|
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|
223 |
version
|
|
125
|
224 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaContext.st,v 1.9 1996/07/09 20:50:26 cg Exp $'
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28
|
225 |
! !
|