Use StringBuilder instead of StringBuffer for ASTNode.print*()

org.eclipse.jdt.apt.core/src/org/eclipse/jdt/apt/core/internal/AptPlugin.java

@@ -196,7 +196,7 @@ public void optionsChanged(DebugOptions options) {
 
 	public static void trace(final String msg){
 		if (DEBUG) {
-			StringBuffer sb = new StringBuffer();
+			StringBuilder sb = new StringBuilder();
 			sb.append('[');
 			// SimpleDateFormat is not thread-safe, according to javadoc
 			synchronized(TRACE_DATE_FORMAT) {

org.eclipse.jdt.apt.core/src/org/eclipse/jdt/apt/core/internal/declaration/AnnotationValueImpl.java

@@ -208,15 +208,15 @@ public String toString() {
 			return "null"; //$NON-NLS-1$
 		} else if (_value instanceof String) {
 			String value = (String) _value;
-			StringBuffer sb = new StringBuffer();
+			StringBuilder sb = new StringBuilder();
 			sb.append('"');
 			for (int i = 0; i < value.length(); i++) {
 				Util.appendEscapedChar(sb, value.charAt(i), true);
 			}
 			sb.append('"');
 			return sb.toString();
 		} else if (_value instanceof Character) {
-			StringBuffer sb = new StringBuffer();
+			StringBuilder sb = new StringBuilder();
 			sb.append('\'');
 			Util.appendEscapedChar(sb, ((Character) _value).charValue(), false);
 			sb.append('\'');

org.eclipse.jdt.apt.pluggable.core/src/org/eclipse/jdt/internal/apt/pluggable/core/Apt6Plugin.java

@@ -130,7 +130,7 @@ public static Status createInfoStatus(Throwable e, String message) {
 
 	public static void trace(final String msg) {
 		if (DEBUG) {
-			StringBuffer sb = new StringBuffer();
+			StringBuilder sb = new StringBuilder();
 			sb.append('[');
 			// SimpleDateFormat is not thread-safe, according to javadoc
 			synchronized (TRACE_DATE_FORMAT) {

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/apt/model/AnnotationValueImpl.java

@@ -266,15 +266,15 @@ public String toString() {
 			return "null"; //$NON-NLS-1$
 		} else if (this._value instanceof String) {
 			String value = (String) this._value;
-			StringBuffer sb = new StringBuffer();
+			StringBuilder sb = new StringBuilder();
 			sb.append('"');
 			for (int i = 0; i < value.length(); i++) {
 				Util.appendEscapedChar(sb, value.charAt(i), true);
 			}
 			sb.append('"');
 			return sb.toString();
 		} else if (this._value instanceof Character) {
-			StringBuffer sb = new StringBuffer();
+			StringBuilder sb = new StringBuilder();
 			sb.append('\'');
 			Util.appendEscapedChar(sb, ((Character) this._value).charValue(), false);
 			sb.append('\'');

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/ASTNode.java

@@ -663,9 +663,9 @@ public boolean isType() {
 		return false;
 	}
 
-	public abstract StringBuffer print(int indent, StringBuffer output);
+	public abstract StringBuilder print(int indent, StringBuilder output);
 
-	public static StringBuffer printAnnotations(Annotation[] annotations, StringBuffer output) {
+	public static StringBuilder printAnnotations(Annotation[] annotations, StringBuilder output) {
 		int length = annotations.length;
 		for (int i = 0; i < length; i++) {
 			if (i > 0) {
@@ -681,13 +681,13 @@ public static StringBuffer printAnnotations(Annotation[] annotations, StringBuff
 		return output;
 	}
 
-	public static StringBuffer printIndent(int indent, StringBuffer output) {
+	public static StringBuilder printIndent(int indent, StringBuilder output) {
 
 		for (int i = indent; i > 0; i--) output.append("  "); //$NON-NLS-1$
 		return output;
 	}
 
-	public static StringBuffer printModifiers(int modifiers, StringBuffer output) {
+	public static StringBuilder printModifiers(int modifiers, StringBuilder output) {
 
 		if ((modifiers & ClassFileConstants.AccPublic) != 0)
 			output.append("public "); //$NON-NLS-1$
@@ -1497,7 +1497,7 @@ public int sourceEnd() {
 	@Override
 	public String toString() {
 
-		return print(0, new StringBuffer(30)).toString();
+		return print(0, new StringBuilder(30)).toString();
 	}
 
 	public void traverse(ASTVisitor visitor, BlockScope scope) {

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/AbstractMethodDeclaration.java

@@ -493,7 +493,7 @@ public boolean isStatic() {
 	public abstract void parseStatements(Parser parser, CompilationUnitDeclaration unit);
 
 	@Override
-	public StringBuffer print(int tab, StringBuffer output) {
+	public StringBuilder print(int tab, StringBuilder output) {
 
 		if (this.javadoc != null) {
 			this.javadoc.print(tab, output);
@@ -539,7 +539,7 @@ public StringBuffer print(int tab, StringBuffer output) {
 		return output;
 	}
 
-	public StringBuffer printBody(int indent, StringBuffer output) {
+	public StringBuilder printBody(int indent, StringBuilder output) {
 
 		if (isAbstract() || (this.modifiers & ExtraCompilerModifiers.AccSemicolonBody) != 0)
 			return output.append(';');
@@ -556,7 +556,7 @@ public StringBuffer printBody(int indent, StringBuffer output) {
 		return output;
 	}
 
-	public StringBuffer printReturnType(int indent, StringBuffer output) {
+	public StringBuilder printReturnType(int indent, StringBuilder output) {
 
 		return output;
 	}

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/AbstractVariableDeclaration.java

@@ -87,7 +87,7 @@ public boolean isTypeAccess() {
 	}
 
 	@Override
-	public StringBuffer printStatement(int indent, StringBuffer output) {
+	public StringBuilder printStatement(int indent, StringBuilder output) {
 		printAsExpression(indent, output);
 		switch(getKind()) {
 			case ENUM_CONSTANT:
@@ -97,7 +97,7 @@ public StringBuffer printStatement(int indent, StringBuffer output) {
 		}
 	}
 
-	public StringBuffer printAsExpression(int indent, StringBuffer output) {
+	public StringBuilder printAsExpression(int indent, StringBuilder output) {
 		printIndent(indent, output);
 		printModifiers(this.modifiers, output);
 		if (this.annotations != null) {

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/AllocationExpression.java

@@ -318,7 +318,7 @@ public void manageSyntheticAccessIfNecessary(BlockScope currentScope, FlowInfo f
 }
 
 @Override
-public StringBuffer printExpression(int indent, StringBuffer output) {
+public StringBuilder printExpression(int indent, StringBuilder output) {
 	if (this.type != null) { // type null for enum constant initializations
 		output.append("new "); //$NON-NLS-1$
 	}

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/Annotation.java

@@ -814,7 +814,7 @@ public boolean isRuntimeVisible() {
 	public abstract MemberValuePair[] memberValuePairs();
 
 	@Override
-	public StringBuffer printExpression(int indent, StringBuffer output) {
+	public StringBuilder printExpression(int indent, StringBuilder output) {
 		output.append('@');
 		this.type.printExpression(0, output);
 		return output;

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/AnnotationMethodDeclaration.java

@@ -59,7 +59,7 @@ public void parseStatements(Parser parser, CompilationUnitDeclaration unit) {
 	}
 
 	@Override
-	public StringBuffer print(int tab, StringBuffer output) {
+	public StringBuilder print(int tab, StringBuilder output) {
 
 		printIndent(tab, output);
 		printModifiers(this.modifiers, output);

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/Argument.java

@@ -179,7 +179,7 @@ public boolean hasNullTypeAnnotation(AnnotationPosition position) {
 	}
 
 	@Override
-	public StringBuffer print(int indent, StringBuffer output) {
+	public StringBuilder print(int indent, StringBuilder output) {
 
 		printIndent(indent, output);
 		printModifiers(this.modifiers, output);
@@ -197,7 +197,7 @@ public StringBuffer print(int indent, StringBuffer output) {
 	}
 
 	@Override
-	public StringBuffer printStatement(int indent, StringBuffer output) {
+	public StringBuilder printStatement(int indent, StringBuilder output) {
 
 		return print(indent, output).append(';');
 	}

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/ArrayAllocationExpression.java

@@ -97,7 +97,7 @@ public void generateCode(BlockScope currentScope, 	CodeStream codeStream, boolea
 
 
 	@Override
-	public StringBuffer printExpression(int indent, StringBuffer output) {
+	public StringBuilder printExpression(int indent, StringBuilder output) {
 		output.append("new "); //$NON-NLS-1$
 		this.type.print(0, output);
 		for (int i = 0; i < this.dimensions.length; i++) {

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/ArrayInitializer.java

@@ -142,7 +142,7 @@ public void generateCode(TypeReference typeReference, ArrayAllocationExpression
 	}
 
 	@Override
-	public StringBuffer printExpression(int indent, StringBuffer output) {
+	public StringBuilder printExpression(int indent, StringBuilder output) {
 
 		output.append('{');
 		if (this.expressions != null) {

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/ArrayQualifiedTypeReference.java

@@ -128,7 +128,7 @@ protected TypeBinding internalResolveType(Scope scope, int location) {
 	}
 
 	@Override
-	public StringBuffer printExpression(int indent, StringBuffer output){
+	public StringBuilder printExpression(int indent, StringBuilder output){
 
 		super.printExpression(indent, output);
 		if ((this.bits & IsVarArgs) != 0) {

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/ArrayReference.java

@@ -196,7 +196,7 @@ public void generatePostIncrement(BlockScope currentScope, CodeStream codeStream
 }
 
 @Override
-public StringBuffer printExpression(int indent, StringBuffer output) {
+public StringBuilder printExpression(int indent, StringBuilder output) {
 	this.receiver.printExpression(0, output).append('[');
 	return this.position.printExpression(0, output).append(']');
 }

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/ArrayTypeReference.java

@@ -126,7 +126,7 @@ protected TypeBinding getTypeBinding(Scope scope) {
 	}
 
 	@Override
-	public StringBuffer printExpression(int indent, StringBuffer output){
+	public StringBuilder printExpression(int indent, StringBuilder output){
 
 		super.printExpression(indent, output);
 		if ((this.bits & IsVarArgs) != 0) {

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/AssertStatement.java

@@ -211,7 +211,7 @@ public void manageSyntheticAccessIfNecessary(BlockScope currentScope, FlowInfo f
 }
 
 @Override
-public StringBuffer printStatement(int tab, StringBuffer output) {
+public StringBuilder printStatement(int tab, StringBuilder output) {
 	printIndent(tab, output);
 	output.append("assert "); //$NON-NLS-1$
 	this.assertExpression.printExpression(0, output);

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/Assignment.java

@@ -170,25 +170,25 @@ public int nullStatus(FlowInfo flowInfo, FlowContext flowContext) {
 }
 
 @Override
-public StringBuffer print(int indent, StringBuffer output) {
+public StringBuilder print(int indent, StringBuilder output) {
 	//no () when used as a statement
 	printIndent(indent, output);
 	return printExpressionNoParenthesis(indent, output);
 }
 @Override
-public StringBuffer printExpression(int indent, StringBuffer output) {
+public StringBuilder printExpression(int indent, StringBuilder output) {
 	//subclass redefine printExpressionNoParenthesis()
 	output.append('(');
 	return printExpressionNoParenthesis(0, output).append(')');
 }
 
-public StringBuffer printExpressionNoParenthesis(int indent, StringBuffer output) {
+public StringBuilder printExpressionNoParenthesis(int indent, StringBuilder output) {
 	this.lhs.printExpression(indent, output).append(" = "); //$NON-NLS-1$
 	return this.expression.printExpression(0, output);
 }
 
 @Override
-public StringBuffer printStatement(int indent, StringBuffer output) {
+public StringBuilder printStatement(int indent, StringBuilder output) {
 	//no () when used as a statement
 	return print(indent, output).append(';');
 }

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/BinaryExpression.java

@@ -1819,7 +1819,7 @@ public void optimizedBooleanConstant(int leftId, int operator, int rightId) {
 }
 
 @Override
-public StringBuffer printExpressionNoParenthesis(int indent, StringBuffer output) {
+public StringBuilder printExpressionNoParenthesis(int indent, StringBuilder output) {
 	// keep implementation in sync with
 	// CombinedBinaryExpression#printExpressionNoParenthesis
 	this.left.printExpression(indent, output).append(' ').append(operatorToString()).append(' ');

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/Block.java

@@ -99,7 +99,7 @@ public boolean isEmptyBlock() {
 	return this.statements == null;
 }
 
-public StringBuffer printBody(int indent, StringBuffer output) {
+public StringBuilder printBody(int indent, StringBuilder output) {
 	if (this.statements == null) return output;
 	for (int i = 0; i < this.statements.length; i++) {
 		this.statements[i].printStatement(indent + 1, output);
@@ -109,7 +109,7 @@ public StringBuffer printBody(int indent, StringBuffer output) {
 }
 
 @Override
-public StringBuffer printStatement(int indent, StringBuffer output) {
+public StringBuilder printStatement(int indent, StringBuilder output) {
 	printIndent(indent, output);
 	output.append("{\n"); //$NON-NLS-1$
 	printBody(indent, output);

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/BreakStatement.java

@@ -94,7 +94,7 @@ public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, Fl
 }
 
 @Override
-public StringBuffer printStatement(int tab, StringBuffer output) {
+public StringBuilder printStatement(int tab, StringBuilder output) {
 	printIndent(tab, output).append("break"); //$NON-NLS-1$
 	if (this.label != null) output.append(' ').append(this.label);
 	return output.append(';');

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/CaseStatement.java

@@ -132,7 +132,7 @@ public boolean containsPatternVariable() {
 	return false;
 }
 @Override
-public StringBuffer printStatement(int tab, StringBuffer output) {
+public StringBuilder printStatement(int tab, StringBuilder output) {
 	printIndent(tab, output);
 	if (this.constantExpressions == null) {
 		output.append("default "); //$NON-NLS-1$

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/CastExpression.java

@@ -593,7 +593,7 @@ public Constant optimizedBooleanConstant() {
 }
 
 @Override
-public StringBuffer printExpression(int indent, StringBuffer output) {
+public StringBuilder printExpression(int indent, StringBuilder output) {
 	int parenthesesCount = (this.bits & ASTNode.ParenthesizedMASK) >> ASTNode.ParenthesizedSHIFT;
 	String suffix = ""; //$NON-NLS-1$
 	for(int i = 0; i < parenthesesCount; i++) {

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/ClassLiteralAccess.java

@@ -73,7 +73,7 @@ public void generateCode(
 	}
 
 	@Override
-	public StringBuffer printExpression(int indent, StringBuffer output) {
+	public StringBuilder printExpression(int indent, StringBuilder output) {
 
 		return this.type.print(0, output).append(".class"); //$NON-NLS-1$
 	}

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/Clinit.java

@@ -383,7 +383,7 @@ public void parseStatements(Parser parser, CompilationUnitDeclaration unit) {
 	}
 
 	@Override
-	public StringBuffer print(int tab, StringBuffer output) {
+	public StringBuilder print(int tab, StringBuilder output) {
 
 		printIndent(tab, output).append("<clinit>()"); //$NON-NLS-1$
 		printBody(tab + 1, output);

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/CombinedBinaryExpression.java

@@ -366,8 +366,8 @@ private void initArity(Expression expression, int value) {
 }
 
 @Override
-public StringBuffer printExpressionNoParenthesis(int indent,
-		StringBuffer output) {
+public StringBuilder printExpressionNoParenthesis(int indent,
+		StringBuilder output) {
 	// keep implementation in sync with
 	// BinaryExpression#printExpressionNoParenthesis and
 	// OperatorExpression#printExpression

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/CompilationUnitDeclaration.java

@@ -487,7 +487,7 @@ public boolean hasErrors() {
 }
 
 @Override
-public StringBuffer print(int indent, StringBuffer output) {
+public StringBuilder print(int indent, StringBuilder output) {
 	if (this.currentPackage != null) {
 		printIndent(indent, output).append("package "); //$NON-NLS-1$
 		this.currentPackage.print(0, output, false).append(";\n"); //$NON-NLS-1$

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/CompoundAssignment.java

@@ -121,7 +121,7 @@ public String operatorToString() {
 	}
 
 	@Override
-	public StringBuffer printExpressionNoParenthesis(int indent, StringBuffer output) {
+	public StringBuilder printExpressionNoParenthesis(int indent, StringBuilder output) {
 
 		this.lhs.printExpression(indent, output).append(' ').append(operatorToString()).append(' ');
 		return this.expression.printExpression(0, output) ;

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/ConditionalExpression.java

@@ -456,7 +456,7 @@ public Constant optimizedBooleanConstant() {
 	}
 
 	@Override
-	public StringBuffer printExpressionNoParenthesis(int indent, StringBuffer output) {
+	public StringBuilder printExpressionNoParenthesis(int indent, StringBuilder output) {
 
 		this.condition.printExpression(indent, output).append(" ? "); //$NON-NLS-1$
 		this.valueIfTrue.printExpression(0, output).append(" : "); //$NON-NLS-1$

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/ConstructorDeclaration.java

@@ -600,7 +600,7 @@ public void parseStatements(Parser parser, CompilationUnitDeclaration unit) {
 }
 
 @Override
-public StringBuffer printBody(int indent, StringBuffer output) {
+public StringBuilder printBody(int indent, StringBuilder output) {
 	output.append(" {"); //$NON-NLS-1$
 	if (this.constructorCall != null) {
 		output.append('\n');

org.eclipse.jdt.core.compiler.batch/src/org/eclipse/jdt/internal/compiler/ast/ContinueStatement.java

@@ -97,7 +97,7 @@ public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, Fl
 }
 
 @Override
-public StringBuffer printStatement(int tab, StringBuffer output) {
+public StringBuilder printStatement(int tab, StringBuilder output) {
 	printIndent(tab, output).append("continue "); //$NON-NLS-1$
 	if (this.label != null) output.append(this.label);
 	return output.append(';');