return new IntConst(newValue, newType);
public void atIntConst(IntConst i) throws CompileError { arrayDim = 0; long value = i.get(); int type = i.getType(); if (type == IntConstant || type == CharConstant) { exprType = (type == IntConstant ? INT : CHAR); bytecode.addIconst((int)value); } else { exprType = LONG; bytecode.addLconst(value); } }
private boolean isConstant(Expr expr, int op, ASTree oprand) { oprand = stripPlusExpr(oprand); if (oprand instanceof IntConst) { IntConst c = (IntConst)oprand; long v = c.get(); if (op == '-') v = -v; else if (op == '~') v = ~v; else return false; c.set(v); } else if (oprand instanceof DoubleConst) { DoubleConst c = (DoubleConst)oprand; if (op == '-') c.set(-c.get()); else return false; } else return false; expr.setOperator('+'); return true; }
private int computeLabel(ASTree expr) throws CompileError { doTypeCheck(expr); expr = TypeChecker.stripPlusExpr(expr); if (expr instanceof IntConst) return (int)((IntConst)expr).get(); else throw new CompileError("bad case label"); }
public void atIntConst(IntConst i) throws CompileError { arrayDim = 0; int type = i.getType(); if (type == IntConstant || type == CharConstant) exprType = (type == IntConstant ? INT : CHAR); else exprType = LONG; }
private boolean isConstant(BinExpr expr, int op, ASTree left, ASTree right) throws CompileError { left = stripPlusExpr(left); right = stripPlusExpr(right); ASTree newExpr = null; if (left instanceof StringL && right instanceof StringL && op == '+') newExpr = new StringL(((StringL)left).get() + ((StringL)right).get()); else if (left instanceof IntConst) newExpr = ((IntConst)left).compute(op, right); else if (left instanceof DoubleConst) newExpr = ((DoubleConst)left).compute(op, right); if (newExpr == null) return false; // not a constant expression else { expr.setOperator('+'); expr.setOprand1(newExpr); expr.setOprand2(null); newExpr.accept(this); // for setting exprType, arrayDim, ... return true; } }
private boolean isConstant(Expr expr, int op, ASTree oprand) { oprand = stripPlusExpr(oprand); if (oprand instanceof IntConst) { IntConst c = (IntConst)oprand; long v = c.get(); if (op == '-') v = -v; else if (op == '~') v = ~v; else return false; c.set(v); } else if (oprand instanceof DoubleConst) { DoubleConst c = (DoubleConst)oprand; if (op == '-') c.set(-c.get()); else return false; } else return false; expr.setOperator('+'); return true; }
private int computeLabel(ASTree expr) throws CompileError { doTypeCheck(expr); expr = TypeChecker.stripPlusExpr(expr); if (expr instanceof IntConst) return (int)((IntConst)expr).get(); throw new CompileError("bad case label"); }
@Override public void atIntConst(IntConst i) throws CompileError { arrayDim = 0; int type = i.getType(); if (type == IntConstant || type == CharConstant) exprType = (type == IntConstant ? INT : CHAR); else exprType = LONG; }
private boolean isConstant(BinExpr expr, int op, ASTree left, ASTree right) throws CompileError { left = stripPlusExpr(left); right = stripPlusExpr(right); ASTree newExpr = null; if (left instanceof StringL && right instanceof StringL && op == '+') newExpr = new StringL(((StringL)left).get() + ((StringL)right).get()); else if (left instanceof IntConst) newExpr = ((IntConst)left).compute(op, right); else if (left instanceof DoubleConst) newExpr = ((DoubleConst)left).compute(op, right); if (newExpr == null) return false; // not a constant expression expr.setOperator('+'); expr.setOprand1(newExpr); expr.setOprand2(null); newExpr.accept(this); // for setting exprType, arrayDim, ... return true; }
@Override public void atIntConst(IntConst i) throws CompileError { arrayDim = 0; long value = i.get(); int type = i.getType(); if (type == IntConstant || type == CharConstant) { exprType = (type == IntConstant ? INT : CHAR); bytecode.addIconst((int)value); } else { exprType = LONG; bytecode.addLconst(value); } }
return new IntConst(newValue, newType);
private boolean isConstant(Expr expr, int op, ASTree oprand) { oprand = stripPlusExpr(oprand); if (oprand instanceof IntConst) { IntConst c = (IntConst)oprand; long v = c.get(); if (op == '-') v = -v; else if (op == '~') v = ~v; else return false; c.set(v); } else if (oprand instanceof DoubleConst) { DoubleConst c = (DoubleConst)oprand; if (op == '-') c.set(-c.get()); else return false; } else return false; expr.setOperator('+'); return true; }
int getConstantValue2(ConstPool cp, CtClass type, ASTree tree) { if (type.isPrimitive()) { if (tree instanceof IntConst) { long value = ((IntConst)tree).get(); if (type == CtClass.doubleType) return cp.addDoubleInfo((double)value); else if (type == CtClass.floatType) return cp.addFloatInfo((float)value); else if (type == CtClass.longType) return cp.addLongInfo(value); else if (type != CtClass.voidType) return cp.addIntegerInfo((int)value); } else if (tree instanceof DoubleConst) { double value = ((DoubleConst)tree).get(); if (type == CtClass.floatType) return cp.addFloatInfo((float)value); else if (type == CtClass.doubleType) return cp.addDoubleInfo(value); } } else if (tree instanceof StringL && type.getName().equals(javaLangString)) return cp.addStringInfo(((StringL)tree).get()); return 0; } }
public void atIntConst(IntConst i) throws CompileError { arrayDim = 0; int type = i.getType(); if (type == IntConstant || type == CharConstant) exprType = (type == IntConstant ? INT : CHAR); else exprType = LONG; }
private boolean isConstant(BinExpr expr, int op, ASTree left, ASTree right) throws CompileError { left = stripPlusExpr(left); right = stripPlusExpr(right); ASTree newExpr = null; if (left instanceof StringL && right instanceof StringL && op == '+') newExpr = new StringL(((StringL)left).get() + ((StringL)right).get()); else if (left instanceof IntConst) newExpr = ((IntConst)left).compute(op, right); else if (left instanceof DoubleConst) newExpr = ((DoubleConst)left).compute(op, right); if (newExpr == null) return false; // not a constant expression else { expr.setOperator('+'); expr.setOprand1(newExpr); expr.setOprand2(null); newExpr.accept(this); // for setting exprType, arrayDim, ... return true; } }
public void atIntConst(IntConst i) throws CompileError { arrayDim = 0; long value = i.get(); int type = i.getType(); if (type == IntConstant || type == CharConstant) { exprType = (type == IntConstant ? INT : CHAR); bytecode.addIconst((int)value); } else { exprType = LONG; bytecode.addLconst(value); } }
public static ASTree getConstantFieldValue(CtField f) { if (f == null) return null; Object value = f.getConstantValue(); if (value == null) return null; if (value instanceof String) return new StringL((String)value); else if (value instanceof Double || value instanceof Float) { int token = (value instanceof Double) ? DoubleConstant : FloatConstant; return new DoubleConst(((Number)value).doubleValue(), token); } else if (value instanceof Number) { int token = (value instanceof Long) ? LongConstant : IntConstant; return new IntConst(((Number)value).longValue(), token); } else if (value instanceof Boolean) return new Keyword(((Boolean)value).booleanValue() ? TokenId.TRUE : TokenId.FALSE); else return null; }