Package com.google.gxp.compiler.base

Examples of com.google.gxp.compiler.base.Expression

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        }
        return null;
      }

      private void appendIf(String prefix, Conditional.Clause clause) {
        Expression predicate = clause.getPredicate();
        appendLine(predicate.getSourcePosition(),
                   prefix + getJavaExpression(predicate) + ") {");
        clause.getExpression().acceptVisitor(this);
      }
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      @Override
      public Void visitLoopExpression(LoopExpression loop) {
        // start outer scope for temporary variables
        appendLine("{");
        Expression delimiter = loop.getDelimiter();
        String boolVar = createVarName("bool");
        if (!delimiter.alwaysEmpty()) {
          formatLine("boolean %s = false;", boolVar);
        }
        String tmpKeyVar = null, keyVar = null;
        if (loop.getKey() != null) {
          tmpKeyVar = createVarName("key");
          keyVar = JAVA.validateName(alertSink, loop, loop.getKey());
          formatLine("int %s = 0;", tmpKeyVar);
        }
        if (loop.getIterator() != null && loop.getIterator().canEvaluateAs(JAVA)) {
          String iterVar = createVarName("iter");
          Expression iter = loop.getIterator();
          formatLine(iter.getSourcePosition(),
                     "final java.util.Iterator<? extends %s> %s = %s;",
                     JavaUtil.toReferenceType(toJavaType(loop.getType())),
                     iterVar,
                     getJavaExpression(iter));
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        }
        COMMA_JOINER.appendTo(sb, includeAttrs);
        sb.append(')');
        for (Map.Entry<AttributeValidator, Attribute> entry : bundle.getAttrs().entrySet()) {
          AttributeValidator validator = entry.getKey();
          Expression condition = entry.getValue().getCondition();
          Expression value = entry.getValue().getValue();

          sb.append(".attr(");
          sb.append(JAVA.toStringLiteral(validator.getName()));
          sb.append(", ");
          sb.append(validator.isFlagSet(AttributeValidator.Flag.BOOLEAN)
                      ? value.acceptVisitor(this)
                      : toAnonymousClosure(value));
          if (condition != null) {
            sb.append(", ");
            sb.append(condition.acceptVisitor(this));
          }
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     * Generates private constants for default values and accessor methods for
     * retrieving them.
     */
    private void appendDefaultAccessors() {
      for (Parameter param : template.getAllParameters()) {
        Expression defaultValue = param.getDefaultValue();
        if (defaultValue != null) {
          String paramType = toJavaType(param.getType());
          appendLine();
          formatLine(param.getDefaultValue().getSourcePosition(),
                     "private static final %s GXP_DEFAULT$%s = %s;",
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        if (clauses.hasNext()) {
          appendIf("if (", clauses.next());
          while (clauses.hasNext()) {
            appendIf("} else if (", clauses.next());
          }
          Expression elseExpression = value.getElseExpression();
          if (!elseExpression.alwaysEmpty()) {
            appendLine("} else {");
            elseExpression.acceptVisitor(this);
          }
          appendLine("}");
        } else {
          throw new AssertionError("No clauses in Conditional!");
        }
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    /**
     * Generates accessor methods for retrieving default parameters.
     */
    private void appendDefaultAccessors() {
      for (Parameter param : template.getAllParameters()) {
        Expression defaultValue = param.getDefaultValue();
        if (defaultValue != null) {
          String methodName = getDefaultMethodName(param);
          String paramType = toScalaType(param.getType());
          appendLine();
          formatLine("public static %s %s() {", paramType, methodName);
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     * Generates private constants for default values and accessor methods for
     * retrieving them.
     */
    private void appendDefaultAccessors() {
      for (Parameter param : template.getAllParameters()) {
        Expression defaultValue = param.getDefaultValue();
        if (defaultValue != null) {
          String paramType = toScalaType(param.getType());
          appendLine();
          formatLine(param.getDefaultValue().getSourcePosition(),
                     "private static final %s GXP_DEFAULT$%s = %s;",
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        if (clauses.hasNext()) {
          appendIf("if (", clauses.next());
          while (clauses.hasNext()) {
            appendIf("} else if (", clauses.next());
          }
          Expression elseExpression = value.getElseExpression();
          if (!elseExpression.alwaysEmpty()) {
            appendLine("} else {");
            elseExpression.acceptVisitor(this);
          }
          appendLine("}");
        } else {
          throw new AssertionError("No clauses in Conditional!");
        }
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        }
        return null;
      }

      private void appendIf(String prefix, Conditional.Clause clause) {
        Expression predicate = clause.getPredicate();
        appendLine(predicate.getSourcePosition(),
                   prefix + getScalaExpression(predicate) + ") {");
        clause.getExpression().acceptVisitor(this);
      }
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      @Override
      public Void visitLoopExpression(LoopExpression loop) {
        // start outer scope for temporary variables
        appendLine("{");
        Expression delimiter = loop.getDelimiter();
        String boolVar = createVarName("bool");
        if (!delimiter.alwaysEmpty()) {
          formatLine("boolean %s = false;", boolVar);
        }
        String tmpKeyVar = null, keyVar = null;
        if (loop.getKey() != null) {
          tmpKeyVar = createVarName("key");
          keyVar = SCALA.validateName(alertSink, loop, loop.getKey());
          formatLine("int %s = 0;", tmpKeyVar);
        }
        if (loop.getIterator() != null && loop.getIterator().canEvaluateAs(SCALA)) {
          String iterVar = createVarName("iter");
          Expression iter = loop.getIterator();
          formatLine(iter.getSourcePosition(),
                     "final java.util.Iterator<? extends %s> %s = %s;",
                     ScalaUtil.toReferenceType(toScalaType(loop.getType())),
                     iterVar,
                     getScalaExpression(iter));
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