From 34c64963391674dd447d6714539302f9e64cd037 Mon Sep 17 00:00:00 2001
From: yeom <yeom>
Date: Fri, 17 Feb 2012 19:59:03 +0000
Subject: [PATCH] setup some interfaces & skeleton codes for Adrian's project

---
 .../Analysis/SSJava/LocationInference.java    | 150 ++++++++++++++++++
 .../src/Analysis/SSJava/SSJavaAnalysis.java   |   4 +-
 2 files changed, 152 insertions(+), 2 deletions(-)
 create mode 100644 Robust/src/Analysis/SSJava/LocationInference.java

diff --git a/Robust/src/Analysis/SSJava/LocationInference.java b/Robust/src/Analysis/SSJava/LocationInference.java
new file mode 100644
index 00000000..116aace1
--- /dev/null
+++ b/Robust/src/Analysis/SSJava/LocationInference.java
@@ -0,0 +1,150 @@
+package Analysis.SSJava;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import IR.ClassDescriptor;
+import IR.MethodDescriptor;
+import IR.State;
+import IR.SymbolTable;
+import IR.VarDescriptor;
+import IR.Tree.BlockNode;
+import IR.Tree.BlockStatementNode;
+import IR.Tree.DeclarationNode;
+import IR.Tree.Kind;
+
+public class LocationInference {
+
+  State state;
+  SSJavaAnalysis ssjava;
+
+  List<ClassDescriptor> toanalyzeList;
+  List<MethodDescriptor> toanalyzeMethodList;
+
+  public LocationInference(SSJavaAnalysis ssjava, State state) {
+    this.ssjava = ssjava;
+    this.state = state;
+    this.toanalyzeList = new ArrayList<ClassDescriptor>();
+    this.toanalyzeMethodList = new ArrayList<MethodDescriptor>();
+  }
+
+  public void setupToAnalyze() {
+    SymbolTable classtable = state.getClassSymbolTable();
+    toanalyzeList.clear();
+    toanalyzeList.addAll(classtable.getValueSet());
+    Collections.sort(toanalyzeList, new Comparator<ClassDescriptor>() {
+      public int compare(ClassDescriptor o1, ClassDescriptor o2) {
+        return o1.getClassName().compareToIgnoreCase(o2.getClassName());
+      }
+    });
+  }
+
+  public void setupToAnalazeMethod(ClassDescriptor cd) {
+
+    SymbolTable methodtable = cd.getMethodTable();
+    toanalyzeMethodList.clear();
+    toanalyzeMethodList.addAll(methodtable.getValueSet());
+    Collections.sort(toanalyzeMethodList, new Comparator<MethodDescriptor>() {
+      public int compare(MethodDescriptor o1, MethodDescriptor o2) {
+        return o1.getSymbol().compareToIgnoreCase(o2.getSymbol());
+      }
+    });
+  }
+
+  public boolean toAnalyzeMethodIsEmpty() {
+    return toanalyzeMethodList.isEmpty();
+  }
+
+  public boolean toAnalyzeIsEmpty() {
+    return toanalyzeList.isEmpty();
+  }
+
+  public ClassDescriptor toAnalyzeNext() {
+    return toanalyzeList.remove(0);
+  }
+
+  public MethodDescriptor toAnalyzeMethodNext() {
+    return toanalyzeMethodList.remove(0);
+  }
+
+  public void inference() {
+
+    setupToAnalyze();
+
+    while (!toAnalyzeIsEmpty()) {
+      ClassDescriptor cd = toAnalyzeNext();
+
+      setupToAnalazeMethod(cd);
+      while (!toAnalyzeMethodIsEmpty()) {
+        MethodDescriptor md = toAnalyzeMethodNext();
+        if (ssjava.needTobeAnnotated(md)) {
+          if (state.SSJAVADEBUG) {
+            System.out.println("SSJAVA: Location Inference: " + md);
+          }
+          analyzeMethodBody(cd, md, null);
+        }
+      }
+    }
+
+  }
+
+  private void analyzeMethodBody(ClassDescriptor cd, MethodDescriptor md,
+      CompositeLocation constraints) {
+    BlockNode bn = state.getMethodBody(md);
+    analyzeBlockNode(md, md.getParameterTable(), bn);
+  }
+
+  private CompositeLocation analyzeBlockNode(MethodDescriptor md, SymbolTable nametable,
+      BlockNode bn) {
+
+    bn.getVarTable().setParent(nametable);
+    for (int i = 0; i < bn.size(); i++) {
+      BlockStatementNode bsn = bn.get(i);
+      analyzeBlockStatementNode(md, bn.getVarTable(), bsn);
+    }
+    return new CompositeLocation();
+
+  }
+
+  private void analyzeBlockStatementNode(MethodDescriptor md, SymbolTable nametable,
+      BlockStatementNode bsn) {
+
+    switch (bsn.kind()) {
+    case Kind.BlockExpressionNode:
+      // checkBlockExpressionNode(md,(BlockExpressionNode)bsn);
+      break;
+
+    case Kind.DeclarationNode:
+      analyzeDeclarationNode(md, nametable, (DeclarationNode) bsn);
+      break;
+
+    case Kind.IfStatementNode:
+      break;
+
+    case Kind.LoopNode:
+      break;
+
+    case Kind.ReturnNode:
+      break;
+
+    case Kind.SubBlockNode:
+      break;
+
+    case Kind.ContinueBreakNode:
+      break;
+
+    case Kind.SwitchStatementNode:
+      break;
+
+    }
+  }
+
+  private void analyzeDeclarationNode(MethodDescriptor md, SymbolTable nametable, DeclarationNode dn) {
+
+    VarDescriptor vd = dn.getVarDescriptor();
+
+  }
+
+}
diff --git a/Robust/src/Analysis/SSJava/SSJavaAnalysis.java b/Robust/src/Analysis/SSJava/SSJavaAnalysis.java
index 7326d7e9..4dcaad24 100644
--- a/Robust/src/Analysis/SSJava/SSJavaAnalysis.java
+++ b/Robust/src/Analysis/SSJava/SSJavaAnalysis.java
@@ -118,15 +118,15 @@ public class SSJavaAnalysis {
     // if (state.SSJAVADEBUG) {
     // debugPrint();
     // }
-    parseLocationAnnotation();
     // inference();
+    parseLocationAnnotation();
     doFlowDownCheck();
     doDefinitelyWrittenCheck();
     doLoopCheck();
   }
 
   private void inference() {
-    SSJavaInferenceEngine inferEngine = new SSJavaInferenceEngine(this, state);
+    LocationInference inferEngine = new LocationInference(this, state);
     inferEngine.inference();
   }
 
-- 
2.34.1