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1
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25
26 package org.aspectj.asm.internal;
27
28 import java.util.*;
29 import org.aspectj.compiler.base.ast.*;
30 import org.aspectj.compiler.crosscuts.ast.*;
31 import org.aspectj.asm.*;
32
33
36 public class StructureNodeFactory {
37
38 private static Hashtable programElementNodes = new Hashtable();
39
40 private static final ProgramElementNode UNRESOLVED_LINK_NODE = new ProgramElementNode("<error: unresolved link>", ProgramElementNode.Kind.ERROR, null, null, "", "", "", null, null, null, false, null);
41
42 public static void clear() {
43 programElementNodes.clear();
44 }
45
46 public static ProgramElementNode makeNode(ASTObject astObject, List relations, List children) {
47 return makeNode(astObject, relations, children, false);
48 }
49
50 public static LinkNode makeLink(ASTObject astObject, boolean terminal) {
51 ProgramElementNode peNode = null;
52 if (terminal) {
53 peNode = makeNode(astObject, null, null, false);
54 } else {
55 peNode = makeNode(astObject, null, null, true);
56 }
57
58 if (peNode == null) {
59 return new LinkNode(UNRESOLVED_LINK_NODE);
60 } else {
61 return new LinkNode(peNode);
62 }
63 }
64
65 private static ProgramElementNode makeNode(ASTObject astObject, List relations, List children, boolean resolve) {
66 if (resolve) {
67 if (astObject instanceof InitializerDec) {
68 InitializerDec initDec = (InitializerDec)astObject;
69 return (ProgramElementNode)programElementNodes.get(initDec.getDeclaringType().getTypeDec());
70 } else if (astObject instanceof Decs) {
71 Decs decs = (Decs)astObject;
72 return (ProgramElementNode)programElementNodes.get(decs.getDeclaringType().getTypeDec());
73 } else {
74 ProgramElementNode peNode = (ProgramElementNode)programElementNodes.get(astObject);
75 if (peNode == null) {
76 return makeNode(astObject, null, null, false);
77 } else {
78 return peNode;
79 }
80 }
81 } else {
82 String  declaringType = "";
83 if (astObject.getDeclaringType() != null) {
84 declaringType = astObject.getDeclaringType().toShortString();
85 }
86
87 org.aspectj.asm.SourceLocation sourceLocation = new org.aspectj.asm.SourceLocation(
88 astObject.getSourceLocation().getSourceFileName(),
89 astObject.getSourceLocation().getBeginLine(),
90 astObject.getSourceLocation().getEndLine(),
91 astObject.getSourceLocation().getBeginColumn());
92
93 ProgramElementNode newNode = new ProgramElementNode(
94 genSignature(astObject).trim(),
95 genKind(astObject),
96 genModifiers(astObject),
97 genAccessibility(astObject),
98 declaringType,
99 genPackageName(astObject),
100 genFormalComment(astObject),
101 sourceLocation,
102 relations,
103 children,
104 isMemberKind(astObject),
105 astObject);
106 programElementNodes.put(astObject, newNode);
107 newNode.setRunnable(genIsRunnable(newNode));
108 setSpecifiers(astObject, newNode);
109
110 return newNode;
111 }
112 }
113
114 private static void setSpecifiers(ASTObject astObject, ProgramElementNode node) {
115 if (astObject instanceof MethodDec) {
116 Method method = ((MethodDec)astObject).getMethod();
117 for (Iterator it = method.getDeclaringType().getDirectSuperTypes().iterator(); it.hasNext(); ) {
118 NameType type = (NameType)it.next();
119 SemanticObject so = type.findMatchingSemanticObject(method);
120
121 if (so != null && so instanceof Method) {
122
123 Method superMethod = (Method)so;
124 if (so.isAbstract()) {
125 node.setImplementor(true);
126 } else {
127 node.setOverrider(true);
128 }
129 }
130 }
131 }
132 }
133
134 private static boolean genIsRunnable(ProgramElementNode node) {
135 if (node.getModifiers().contains(ProgramElementNode.Modifiers.STATIC)
136 && node.getAccessibility().equals(ProgramElementNode.Accessibility.PUBLIC)
137 && node.getSignature().equals("main(String[])")) {
138 return true;
139 } else {
140 return false;
141 }
142 }
143
144 private static boolean genIsStmntKind(ASTObject astObject) {
145 return astObject instanceof CatchClause
146 || astObject instanceof SOLink
147 || astObject instanceof BasicAssignExpr;
148 }
149
150 private static List genModifiers(ASTObject astObject) {
151 List modifiers = new ArrayList();
152 if (astObject instanceof Dec) {
153 Dec dec = (Dec)astObject;
154 if (dec.getModifiers().isStrict()) modifiers.add(ProgramElementNode.Modifiers.STRICTFP);
155 if (dec.getModifiers().isAbstract()) modifiers.add(ProgramElementNode.Modifiers.ABSTRACT);
156 if (dec.getModifiers().isSynchronized()) modifiers.add(ProgramElementNode.Modifiers.SYNCHRONIZED);
157 if (dec.getModifiers().isNative()) modifiers.add(ProgramElementNode.Modifiers.NATIVE);
158 if (dec.getModifiers().isFinal()) modifiers.add(ProgramElementNode.Modifiers.FINAL);
159 if (dec.getModifiers().isTransient()) modifiers.add(ProgramElementNode.Modifiers.TRANSIENT);
160 if (dec.getModifiers().isStatic()) modifiers.add(ProgramElementNode.Modifiers.STATIC);
161 if (dec.getModifiers().isVolatile()) modifiers.add(ProgramElementNode.Modifiers.VOLATILE);
162 }
163 return modifiers;
164 }
165
166 private static ProgramElementNode.Accessibility genAccessibility(ASTObject astObject) {
167 if (astObject instanceof Dec) {
169 Dec dec = (Dec)astObject;
170 if (dec.getModifiers().isPublic()) return ProgramElementNode.Accessibility.PUBLIC;
171 if (dec.getModifiers().isProtected()) return ProgramElementNode.Accessibility.PROTECTED;
172 if (dec.getModifiers().isPrivileged()) return ProgramElementNode.Accessibility.PRIVILEGED;
173 if (dec.getModifiers().isPackagePrivate()) return ProgramElementNode.Accessibility.PACKAGE;
174 if (dec.getModifiers().isPrivate()) return ProgramElementNode.Accessibility.PRIVATE;
175 }
176 return ProgramElementNode.Accessibility.PUBLIC;
177 }
178
179
182 private static ProgramElementNode.Kind genKind(ASTObject astObject) {
183 if (astObject instanceof CompilationUnit) {
184 return ProgramElementNode.Kind.FILE_JAVA;
185 } else if (genIsStmntKind(astObject)) {
186 return ProgramElementNode.Kind.CODE;
187 } else if (astObject instanceof Dec) {
188 String kindString = ((Dec)astObject).getKind();
189 return ProgramElementNode.Kind.getKindForString(kindString);
190 } else {
191 return ProgramElementNode.Kind.ERROR;
192 }
193 }
194
195 private static boolean isMemberKind(ASTObject astObject) {
196 if (astObject instanceof Dec) {
197 Dec dec = (Dec)astObject;
198 return dec.getDeclaringType() != null && !dec.getDeclaringType().equals(dec.getName());
199 } else {
200 return false;
201 }
202 }
203
204 private static String genPackageName(ASTObject astObject) {
205 if (astObject instanceof TypeDec) {
206 return ((TypeDec)astObject).getPackageName();
207 } else if (astObject instanceof CompilationUnit) {
208 return ((CompilationUnit)astObject).getPackageName();
209 } else if (astObject.getDeclaringType() != null) {
210 return astObject.getDeclaringType().getPackageName();
211 } else {
212 return "";
213 }
214 }
215
216 private static String genDeclaringType(ASTObject astObject) {
217 if (astObject != null && astObject.getDeclaringType() != null) {
218 return astObject.getDeclaringType().toShortString();
219 } else {
220 return null;
221 }
222 }
223
224
227 private static String genFormalComment(ASTObject astObject) {
228 try {
229 return (String )astObject.getComment().getClass().getMethod("commentText", new Class []{}).invoke(astObject.getComment(), new Object []{});
230 } catch (Throwable t) {
231 if (astObject != null) {
232 return astObject.getFormalComment();
233 } else {
234 return "";
235 }
236 }
237 }
238
239
244 private static String genSignature(ASTObject astObject) {
245 String name = "";
246 if (astObject instanceof CompilationUnit) {
247 return astObject.getSourceFile().getName();
248 } else if (astObject instanceof MethodDec) {
249 Method method = ((MethodDec)astObject).getMethod();
250 return method.getName() + method.getFormals().toShortString();
251 } else if (astObject instanceof TypeDec) {
252 return ((TypeDec)astObject).getSourceExtendedId();
253 } else if (astObject instanceof FieldDec) {
254 return ((FieldDec)astObject).getName();
255 } else if (astObject instanceof ConstructorDec) {
256 ConstructorDec constructorDec = (ConstructorDec)astObject;
257 return constructorDec.getDeclaringType().getSourceExtendedId() + constructorDec.getFormals().toShortString();
258 } else if (astObject instanceof IntroducedDec) {
259 IntroducedDec introDec = (IntroducedDec)astObject;
260 return introDec.getTargets().toShortString() + '.' + genSignature(introDec.getDec());
261 } else if (astObject instanceof PointcutDec) {
263 PointcutDec pointcutDec = (PointcutDec)astObject;
264 return pointcutDec.getName() + pointcutDec.getFormals().toShortString();
265 } else if (astObject instanceof ShowErrorDec) {
269 ShowErrorDec errorDec = (ShowErrorDec)astObject;
270 return errorDec.toShortString();
271 } else if (astObject instanceof SoftThrowableDec) {
272 SoftThrowableDec softThrowableDec = (SoftThrowableDec)astObject;
273 return softThrowableDec.toShortString();
274 } else if (astObject instanceof IntroducedSuperDec) {
275 IntroducedSuperDec introducedSuperDec = (IntroducedSuperDec)astObject;
276 return introducedSuperDec.toShortString();
277 } else if (astObject instanceof AdviceDec) {
278 AdviceDec adviceDec = (AdviceDec)astObject;
279 return adviceDec.toShortString();
280 } else if (astObject instanceof SOLink) {
281 SOLink soLink = (SOLink)astObject;
282 return genSignature(soLink.getTarget().getCorrespondingDec());
283 } else if (astObject instanceof CatchClause) {
284 CatchClause catchClause = (CatchClause)astObject;
285 return catchClause.getFormal().getType().getSourceExtendedId();
286 } else if (astObject instanceof BasicAssignExpr) {
287 return astObject.unparse();
288 } else {
308 return "? " + astObject.toShortString();
309 }
310 }
311 } |
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