import IR.MethodDescriptor;
public class LocalityBinding {
- private MethodDescriptor md;
- private Integer[] isglobal;
- private boolean isatomic;
- private Integer isglobalreturn;
- private Integer isglobalthis;
- private LocalityBinding parent;
- private boolean hasatomic;
-
- public LocalityBinding(MethodDescriptor md, boolean atomic) {
- this.md=md;
- isglobal=new Integer[md.numParameters()];
- isatomic=atomic;
- }
-
- public void setHasAtomic() {
- hasatomic=true;
- }
-
- public boolean getHasAtomic() {
- return hasatomic;
- }
-
- private static String globalToString(Integer g) {
- if (g==LocalityAnalysis.GLOBAL)
- return "G";
- else if (g==LocalityAnalysis.LOCAL)
- return "L";
- else if (g==LocalityAnalysis.EITHER)
- return "E";
- else if (g==LocalityAnalysis.CONFLICT)
- return "C";
- else throw new Error();
- }
-
- public String getSignature() {
- if (md.getModifiers().isNative())
- return "";
- String st="_";
- if (isatomic) {
- st+="A";
- } else
- st+="N";
- if (isglobalthis==null)
- st+="N";
- else
- st+=globalToString(isglobalthis);
- for(int i=0;i<isglobal.length;i++) {
- st+=globalToString(isglobal[i]);
- }
- st+="_";
- return st;
- }
-
- /* Use this for an explanation */
- public void setParent(LocalityBinding lb) {
- parent=lb;
- }
-
- public String getExplanation() {
- if (parent==null)
- return toString();
- else
- return parent.getExplanation()+"\n"+toString();
- }
-
- public String toString() {
- String st=md.toString()+" ";
- if (isglobalthis==null) {
- st+="[static] ";
- } else {
- if (isglobalthis.equals(LocalityAnalysis.LOCAL))
- st+="[local] ";
- else if (isglobalthis.equals(LocalityAnalysis.GLOBAL))
- st+="[global] ";
- else if (isglobalthis.equals(LocalityAnalysis.EITHER))
- st+="[either] ";
- else if (isglobalthis.equals(LocalityAnalysis.CONFLICT))
- st+="[conflict] ";
- }
- for(int i=0;i<isglobal.length;i++)
- if (isglobal[i].equals(LocalityAnalysis.LOCAL))
- st+="local ";
- else if (isglobal[i].equals(LocalityAnalysis.GLOBAL))
- st+="global ";
- else if (isglobal[i].equals(LocalityAnalysis.EITHER))
- st+="either ";
- else if (isglobal[i].equals(LocalityAnalysis.CONFLICT))
- st+="conflict ";
- return st;
- }
-
- public void setGlobal(int i, Integer global) {
- isglobal[i]=global;
- }
-
- public Integer isGlobal(int i) {
- return isglobal[i];
- }
-
- public void setGlobalReturn(Integer global) {
- isglobalreturn=global;
- }
-
- public Integer getGlobalReturn() {
- return isglobalreturn;
- }
-
- public void setGlobalThis(Integer global) {
- isglobalthis=global;
- }
-
- public Integer getGlobalThis() {
- return isglobalthis;
- }
-
- public MethodDescriptor getMethod() {
- return md;
- }
-
- public boolean isAtomic() {
- return isatomic;
- }
-
- public boolean contextMatches(LocalityBinding lb) {
- if (isglobal.length!=lb.isglobal.length)
- return false;
- for(int i=0;i<isglobal.length;i++)
- if (!isglobal[i].equals(lb.isglobal[i]))
- return false;
-
- if (isglobalthis==null) {
- if (lb.isglobalthis!=null)
- return false;
- } else
- if (!isglobalthis.equals(lb.isglobalthis))
- return false;
- return (isatomic==lb.isatomic);
- }
-
- public boolean equals(Object o) {
- if (o instanceof LocalityBinding) {
- LocalityBinding lb=(LocalityBinding)o;
- if (md!=lb.md)
- return false;
-
- for(int i=0;i<isglobal.length;i++)
- if (!isglobal[i].equals(lb.isglobal[i]))
- return false;
-
- if (isglobalthis==null) {
- if (lb.isglobalthis!=null)
- return false;
- } else
- if (!isglobalthis.equals(lb.isglobalthis))
- return false;
- return (isatomic==lb.isatomic);
- }
- return false;
- }
-
- public int hashCode() {
- int hashcode=md.hashCode();
- for(int i=0;i<isglobal.length;i++) {
- hashcode=hashcode*31+(isglobal[i].intValue());
- }
- hashcode=hashcode*31+(isatomic?1:0);
- return hashcode;
- }
+ private MethodDescriptor md;
+ private Integer[] isglobal;
+ private boolean isatomic;
+ private Integer isglobalreturn;
+ private Integer isglobalthis;
+ private LocalityBinding parent;
+ private boolean hasatomic;
+
+ public LocalityBinding(MethodDescriptor md, boolean atomic) {
+ this.md=md;
+ isglobal=new Integer[md.numParameters()];
+ isatomic=atomic;
+ }
+
+ public void setHasAtomic() {
+ hasatomic=true;
+ }
+
+ public boolean getHasAtomic() {
+ return hasatomic;
+ }
+
+ private static String globalToString(Integer g) {
+ if (g==null)
+ return "";
+ else if (g==LocalityAnalysis.GLOBAL)
+ return "G";
+ else if (g==LocalityAnalysis.LOCAL)
+ return "L";
+ else if (g==LocalityAnalysis.EITHER)
+ return "E";
+ else if (g==LocalityAnalysis.CONFLICT)
+ return "C";
+ else if (g==LocalityAnalysis.SCRATCH)
+ return "S";
+ else if (g==LocalityAnalysis.NORMAL)
+ return "R";
+ else if (g==(LocalityAnalysis.STMCONFLICT))
+ return "C";
+ else if (g==(LocalityAnalysis.STMEITHER))
+ return "E";
+ else throw new Error("unknown value"+g);
+ }
+
+ public String getSignature() {
+ if (md.getModifiers().isNative())
+ return "";
+ String st="_";
+ if (isatomic) {
+ st+="A";
+ } else
+ st+="N";
+ if (isglobalthis==null)
+ st+="N";
+ else
+ st+=globalToString(isglobalthis);
+ for(int i=0; i<isglobal.length; i++) {
+ st+=globalToString(isglobal[i]);
+ }
+ st+="_";
+ return st;
+ }
+
+ /* Use this for an explanation */
+ public void setParent(LocalityBinding lb) {
+ parent=lb;
+ }
+
+ public String getExplanation() {
+ if (parent==null)
+ return toString();
+ else
+ return parent.getExplanation()+"\n"+toString();
+ }
+
+ public String toString() {
+ String st=md.toString()+" ";
+ if (isglobalthis==null) {
+ st+="[static] ";
+ } else {
+ if (isglobalthis.equals(LocalityAnalysis.LOCAL))
+ st+="[local] ";
+ else if (isglobalthis.equals(LocalityAnalysis.GLOBAL))
+ st+="[global] ";
+ else if (isglobalthis.equals(LocalityAnalysis.EITHER))
+ st+="[either] ";
+ else if (isglobalthis.equals(LocalityAnalysis.CONFLICT))
+ st+="[conflict] ";
+ else
+ st+="[this="+isglobalthis+"]";
+ }
+ for(int i=0; i<isglobal.length; i++)
+ if (isglobal[i]==null)
+ st+="NULL";
+ else if (isglobal[i].equals(LocalityAnalysis.LOCAL))
+ st+="local ";
+ else if (isglobal[i].equals(LocalityAnalysis.GLOBAL))
+ st+="global ";
+ else if (isglobal[i].equals(LocalityAnalysis.EITHER))
+ st+="either ";
+ else if (isglobal[i].equals(LocalityAnalysis.CONFLICT))
+ st+="conflict ";
+ else
+ st+="["+isglobal[i]+"]";
+ return st;
+ }
+
+ public void setGlobal(int i, Integer global) {
+ isglobal[i]=global;
+ }
+
+ public Integer isGlobal(int i) {
+ return isglobal[i];
+ }
+
+ public void setGlobalReturn(Integer global) {
+ isglobalreturn=global;
+ }
+
+ public Integer getGlobalReturn() {
+ return isglobalreturn;
+ }
+
+ public void setGlobalThis(Integer global) {
+ isglobalthis=global;
+ }
+
+ public Integer getGlobalThis() {
+ return isglobalthis;
+ }
+
+ public MethodDescriptor getMethod() {
+ return md;
+ }
+
+ public boolean isAtomic() {
+ return isatomic;
+ }
+
+ public boolean contextMatches(LocalityBinding lb) {
+ if (isglobal.length!=lb.isglobal.length)
+ return false;
+ for(int i=0; i<isglobal.length; i++)
+ if (!equiv(isglobal[i],lb.isglobal[i]))
+ return false;
+
+ if (!equiv(isglobalthis, lb.isglobalthis))
+ return false;
+ return (isatomic==lb.isatomic);
+ }
+
+ public static boolean equiv(Integer a, Integer b) {
+ if (a==null) {
+ return b==null;
+ } else if (b==null) {
+ return a==null;
+ } else return a.equals(b);
+ }
+
+ public boolean equals(Object o) {
+ if (o instanceof LocalityBinding) {
+ LocalityBinding lb=(LocalityBinding)o;
+ if (md!=lb.md)
+ return false;
+
+ for(int i=0; i<isglobal.length; i++)
+ if (!equiv(isglobal[i], lb.isglobal[i]))
+ return false;
+
+ if (!equiv(isglobalthis, lb.isglobalthis))
+ return false;
+ return (isatomic==lb.isatomic);
+ }
+ return false;
+ }
+
+ public int hashCode() {
+ int hashcode=md.hashCode();
+ for(int i=0; i<isglobal.length; i++) {
+ if (isglobal[i]!=null)
+ hashcode=hashcode*31+(isglobal[i].intValue());
+ }
+ hashcode=hashcode*31+(isatomic?1:0);
+ return hashcode;
+ }
}
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