public void generateOptimizedStringConcatenationCreation( BlockScope blockScope, CodeStream codeStream, int typeID) { // keep implementation in sync with BinaryExpression // #generateOptimizedStringConcatenationCreation if (this.referencesTable == null) { super.generateOptimizedStringConcatenationCreation(blockScope, codeStream, typeID); } else { if ((((this.bits & ASTNode.OperatorMASK) >> ASTNode.OperatorSHIFT) == OperatorIds.PLUS) && ((this.bits & ASTNode.ReturnTypeIDMASK) == TypeIds.T_JavaLangString) && this.constant == Constant.NotAConstant) { int pc = codeStream.position; BinaryExpression cursor = this.referencesTable[this.arity - 1]; // silence warnings int restart = 0; for (restart = this.arity - 1; restart >= 0; restart--) { if (((((cursor = this.referencesTable[restart]).bits & ASTNode.OperatorMASK) >> ASTNode.OperatorSHIFT) == OperatorIds.PLUS) && ((cursor.bits & ASTNode.ReturnTypeIDMASK) == TypeIds.T_JavaLangString)) { if (cursor.constant != Constant.NotAConstant) { codeStream.newStringContatenation(); // new: java.lang.StringBuffer codeStream.dup(); codeStream.ldc(cursor.constant.stringValue()); codeStream.invokeStringConcatenationStringConstructor(); // invokespecial: java.lang.StringBuffer.<init>(Ljava.lang.String;)V break; } } else { cursor.generateOptimizedStringConcatenationCreation( blockScope, codeStream, cursor.implicitConversion & TypeIds.COMPILE_TYPE_MASK); break; } } restart++; if (restart == 0) { // reached the leftmost expression cursor.left.generateOptimizedStringConcatenationCreation( blockScope, codeStream, cursor.left.implicitConversion & TypeIds.COMPILE_TYPE_MASK); } int pcAux; for (int i = restart; i < this.arity; i++) { codeStream.recordPositionsFrom(pc, (cursor = this.referencesTable[i]).left.sourceStart); pcAux = codeStream.position; cursor.right.generateOptimizedStringConcatenation( blockScope, codeStream, cursor.right.implicitConversion & TypeIds.COMPILE_TYPE_MASK); codeStream.recordPositionsFrom(pcAux, cursor.right.sourceStart); } codeStream.recordPositionsFrom(pc, this.left.sourceStart); pc = codeStream.position; this.right.generateOptimizedStringConcatenation( blockScope, codeStream, this.right.implicitConversion & TypeIds.COMPILE_TYPE_MASK); codeStream.recordPositionsFrom(pc, this.right.sourceStart); } else { super.generateOptimizedStringConcatenationCreation(blockScope, codeStream, typeID); } } }