Examples of com.google.gwt.dev.jjs.ast.JPrimitiveType

com.google.gwt.dev.jjs.ast.JPrimitiveType
Base class for all Java primitive types.

    /**
     * Handle special rescues needed implicitly to support concat.
     */
    private void rescueByConcat(JType type) {
      JClassType stringType = program.getTypeJavaLangString();
      JPrimitiveType charType = program.getTypePrimitiveChar();
      if (type instanceof JReferenceType && type != stringType
          && type != program.getTypeNull()) {
        /*
         * Any reference types (except String, which works by default) that take
         * part in a concat must rescue java.lang.Object.toString().

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        // Assume a long type.
        JType coerceTo = longType;


        // But double / float takes precedence over long.
        JPrimitiveType floatType = program.getTypePrimitiveFloat();
        JPrimitiveType doubleType = program.getTypePrimitiveDouble();
        // See if the lhs can coerce the rhs
        if ((lhsType == floatType || lhsType == doubleType)) {
          coerceTo = lhsType;
        }
        if (x.getOp().isAssignment()) {

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    /**
     * Handle special rescues needed implicitly to support concat.
     */
    private void rescueByConcat(JType type) {
      JClassType stringType = program.getTypeJavaLangString();
      JPrimitiveType charType = program.getTypePrimitiveChar();
      if (type instanceof JReferenceType && type != stringType) {
        /*
         * Any reference types (except String, which works by default) that take
         * part in a concat must rescue java.lang.Object.toString().
         */

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        }
      }
    }


    private JExpression convertCharString(JExpression expr) {
      JPrimitiveType charType = program.getTypePrimitiveChar();
      if (expr.getType() == charType) {
        // Replace the character with a call to Cast.charToString()
        if (stringValueOfChar == null) {
          stringValueOfChar = program.getSpecialMethod("Cast.charToString");
          assert (stringValueOfChar != null);

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         * See JLS 5.1.3: if a cast narrows from one type to another, we must
         * call a narrowing conversion function. EXCEPTION: we currently have no
         * way to narrow double to float, so don't bother.
         */
        boolean narrow = false, round = false;
        JPrimitiveType tByte = program.getTypePrimitiveByte();
        JPrimitiveType tChar = program.getTypePrimitiveChar();
        JPrimitiveType tShort = program.getTypePrimitiveShort();
        JPrimitiveType tInt = program.getTypePrimitiveInt();
        JPrimitiveType tLong = program.getTypePrimitiveLong();
        JPrimitiveType tFloat = program.getTypePrimitiveFloat();
        JPrimitiveType tDouble = program.getTypePrimitiveDouble();
        JType fromType = x.getExpr().getType();
        if (tByte == fromType) {
          if (tChar == toType) {
            narrow = true;
          }

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      }
    }
  }


  private JPrimitiveType primitiveTypeForBoxClass(JClassType wrapperType) {
    JPrimitiveType primitiveType = boxClassToPrimitiveMap.get(wrapperType);
    if (primitiveType == null) {
      throw new IllegalArgumentException("Not a box class: " + wrapperType);
    }
    return primitiveType;
  }

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      if (type == exp.getType()) {
        return exp;
      }
      if ((type instanceof JPrimitiveType) && (exp instanceof JValueLiteral)) {
        // Statically evaluate casting literals.
        JPrimitiveType typePrim = (JPrimitiveType) type;
        JValueLiteral expLit = (JValueLiteral) exp;
        JValueLiteral casted = typePrim.coerceLiteral(expLit);
        if (casted != null) {
          return casted;
        }
      }

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           * this value is not changed.
           */
          // TODO(spoon): use simplifier.cast to shorten this
          if ((x.getType() instanceof JPrimitiveType)
              && (lit instanceof JValueLiteral)) {
            JPrimitiveType xTypePrim = (JPrimitiveType) x.getType();
            lit = xTypePrim.coerceLiteral((JValueLiteral) lit);
          }
          return lit;
        }
      }
      return null;

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        }
      }
    }


    private JExpression unbox(JExpression toUnbox, JClassType wrapperType) {
      JPrimitiveType primitiveType = getPrimitiveTypeForWrapperType(wrapperType);
      if (primitiveType == null) {
        throw new InternalCompilerException(toUnbox,
            "Attempt to unbox unexpected type '" + wrapperType.getName() + "'",
            null);
      }


      String valueMethodName = primitiveType.getName() + "Value";
      JMethod valueMethod = null;
      for (Object element : wrapperType.methods) {
        JMethod method = (JMethod) element;
        if (method.getName().equals(valueMethodName)) {
          if (method.params.isEmpty()) {
            // It's a match!
            valueMethod = method;
            break;
          }
        }
      }


      if (valueMethod == null) {
        throw new InternalCompilerException(toUnbox,
            "Expected to find a method on '" + wrapperType.getName()
                + "' whose signature matches 'public "
                + primitiveType.getName() + " " + valueMethodName + "()'", null);
      }


      JMethodCall unboxCall = new JMethodCall(program, toUnbox.getSourceInfo(),
          toUnbox, valueMethod);
      return unboxCall;

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        }
      }
    }


    private JExpression convertString(JExpression expr) {
      JPrimitiveType charType = program.getTypePrimitiveChar();
      if (expr.getType() == charType) {
        if (expr instanceof JCharLiteral) {
          JCharLiteral charLit = (JCharLiteral) expr;
          return program.getLiteralString(new char[] {charLit.getValue()});
        } else {

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Related Classes of com.google.gwt.dev.jjs.ast.JPrimitiveType

com.google.gwt.dev.jjs.impl.AutoboxUtils

com.google.gwt.dev.jjs.impl.CastNormalizer$ConcatVisitor

com.google.gwt.dev.jjs.impl.CastNormalizer$ReplaceTypeChecksVisitor

com.google.gwt.dev.jjs.impl.ControlFlowAnalyzer$RescueVisitor

com.google.gwt.dev.jjs.impl.DeadCodeElimination$DeadCodeVisitor

com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor

com.google.gwt.dev.jjs.impl.ImplementCastsAndTypeChecks$ReplaceTypeChecksVisitor

com.google.gwt.dev.jjs.impl.LongCastNormalizer$ImplicitCastVisitor

com.google.gwt.dev.jjs.impl.Pruner$RescueVisitor

com.google.gwt.dev.jjs.impl.Simplifier

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