mannpatel/Software-Analysis
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removed r which was breaking the code v2

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This commit is contained in:
Nicolas Amaya
2025-12-13 23:28:36 -07:00
parent 8579c0bfc0
commit 35b5447c7d
1 changed files with 43 additions and 37 deletions
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80
src/pdg/PDG.java
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@@ -88,13 +88,15 @@ public class PDG {
}
/**
* Extract variable definitions from a statement simple pattern matching for Java 1.4
* Extract variable definitions from a statement simple pattern matching for
* Java 1.4
*/
private Set<String> extractDefs(String statement) {
Set<String> vars = new HashSet<>();
// Skip special nodes
if (statement.startsWith("*")) return vars;
if (statement.startsWith("*"))
return vars;
if (statement.contains("=") && !statement.contains("==")) {
String[] parts = statement.split("=");
@@ -119,13 +121,15 @@ public class PDG {
String[] initParts = forParts[0].split("=");
if (initParts.length > 0) {
String var = initParts[0].trim().replaceAll("[^a-zA-Z0-9_]", "");
if (!var.isEmpty()) vars.add(var);
if (!var.isEmpty())
vars.add(var);
}
}
String update = forParts[forParts.length - 1];
if (update.contains("++") || update.contains("--")) {
String var = update.replaceAll("[^a-zA-Z0-9_]", "");
if (!var.isEmpty()) vars.add(var);
if (!var.isEmpty())
vars.add(var);
}
}
}
@@ -139,14 +143,15 @@ public class PDG {
private Set<String> extractUses(String statement) {
Set<String> vars = new HashSet<>();
if (statement.startsWith("*")) return vars;
if (statement.startsWith("*"))
return vars;
String[] tokens = statement.split("[\\s+\\-*/=<>!&|(){}\\[\\];,.]");
for (String token : tokens) {
token = token.trim();
if (!token.isEmpty() &&
Character.isJavaIdentifierStart(token.charAt(0)) &&
!isKeyword(token) &&
!token.matches("\\d+")) { r
Character.isJavaIdentifierStart(token.charAt(0)) &&
!isKeyword(token) &&
!token.matches("\\d+")) {
vars.add(token);
}
}
@@ -160,11 +165,10 @@ public class PDG {
*/
private boolean isKeyword(String word) {
Set<String> keywords = new HashSet<>(Arrays.asList(
"if", "else", "while", "for", "do", "return", "break", "continue",
"int", "double", "float", "char", "boolean", "void", "String",
"new", "null", "true", "false", "class", "public", "private",
"static", "final", "this", "super", "try", "catch", "throw", "throws"
));
"if", "else", "while", "for", "do", "return", "break", "continue",
"int", "double", "float", "char", "boolean", "void", "String",
"new", "null", "true", "false", "class", "public", "private",
"static", "final", "this", "super", "try", "catch", "throw", "throws"));
return keywords.contains(word);
}
@@ -219,10 +223,13 @@ public class PDG {
}
private boolean mapsEqual(Map<String, Set<String>> m1, Map<String, Set<String>> m2) {
if (m1.size() != m2.size()) return false;
if (m1.size() != m2.size())
return false;
for (String key : m1.keySet()) {
if (!m2.containsKey(key)) return false;
if (!m1.get(key).equals(m2.get(key))) return false;
if (!m2.containsKey(key))
return false;
if (!m1.get(key).equals(m2.get(key)))
return false;
}
return true;
}
@@ -235,7 +242,6 @@ public class PDG {
return count;
}
public Set<String> getDependencies(String nodeLabel) {
Set<String> all = new HashSet<>();
if (controlDeps.containsKey(nodeLabel)) {
@@ -277,27 +283,27 @@ public class PDG {
return nodes;
}
public void printPDG() {
System.out.println("CONTROL DEPENDENCIES:");
for (Map.Entry<String, Set<String>> entry : controlDeps.entrySet()) {
if (!entry.getValue().isEmpty()) {
System.out.println(" " + entry.getKey());
for (String dep : entry.getValue()) {
System.out.println(" <- " + dep);
}
}
}
public void printPDG() {
System.out.println("CONTROL DEPENDENCIES:");
for (Map.Entry<String, Set<String>> entry : controlDeps.entrySet()) {
if (!entry.getValue().isEmpty()) {
System.out.println(" " + entry.getKey());
for (String dep : entry.getValue()) {
System.out.println(" <- " + dep);
}
}
}
System.out.println("\nDATA DEPENDENCIES:");
for (Map.Entry<String, Set<String>> entry : dataDeps.entrySet()) {
if (!entry.getValue().isEmpty()) {
System.out.println(" " + entry.getKey());
for (String dep : entry.getValue()) {
System.out.println(" <- " + dep);
}
}
}
}
System.out.println("\nDATA DEPENDENCIES:");
for (Map.Entry<String, Set<String>> entry : dataDeps.entrySet()) {
if (!entry.getValue().isEmpty()) {
System.out.println(" " + entry.getKey());
for (String dep : entry.getValue()) {
System.out.println(" <- " + dep);
}
}
}
}
public Map<String, Set<String>> getControlDependencies() {
return new HashMap<>(controlDeps);