fix: resolve code generation error for interface methods (#775)

skylot · Nov 5, 2019 · a48ce29 · a48ce29
1 parent cf3e17c
commit a48ce29
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/jadx-core/src/main/java/jadx/core/codegen/NameGen.java b/jadx-core/src/main/java/jadx/core/codegen/NameGen.java
@@ -139,7 +139,11 @@ private String makeArgName(CodeVar var) {
 	}
 
 	private String getFallbackName(CodeVar var) {
-		return getFallbackName(var.getSsaVars().get(0).getAssign());
+		List<SSAVar> ssaVars = var.getSsaVars();
+		if (ssaVars.isEmpty()) {
+			return "v";
+		}
+		return getFallbackName(ssaVars.get(0).getAssign());
 	}
 
 	private String getFallbackName(RegisterArg arg) {

diff --git a/jadx-core/src/main/java/jadx/core/dex/instructions/args/CodeVar.java b/jadx-core/src/main/java/jadx/core/dex/instructions/args/CodeVar.java
@@ -19,7 +19,9 @@ public static CodeVar fromMthArg(RegisterArg mthArg) {
 		var.setName(mthArg.getName());
 		var.setDeclared(true);
 		var.setThis(mthArg.isThis());
-		var.setSsaVars(Collections.singletonList(new SSAVar(mthArg.getRegNum(), 0, mthArg)));
+		SSAVar ssaVar = new SSAVar(mthArg.getRegNum(), 0, mthArg);
+		ssaVar.setCodeVar(var);
+		var.setSsaVars(Collections.singletonList(ssaVar));
 		return var;
 	}