Package com.github.sommeri.less4j.core.ast

Examples of com.github.sommeri.less4j.core.ast.Expression

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      return new SelectorAttribute(token, children.get(0).getText());

    if (children.size() < 3)
      throw new BugHappened(GRAMMAR_MISMATCH, token);

    Expression value = handleTerm(children.get(2));
    switch (value.getType()) {
    case IDENTIFIER_EXPRESSION:
    case STRING_EXPRESSION:
    case NUMBER:
      //those are OK
      break;
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    throw new BugHappened(GRAMMAR_MISMATCH, token);
  }

  public Nth handleNth(HiddenTokenAwareTree token) {
    Expression first = null;
    Expression second = null;
    if (hasChildren(token.getChild(0))) {
      first = termBuilder.buildFromChildTerm(token.getChild(0));
      String sign = "";
      if (first.getType() == ASTCssNodeType.SIGNED_EXPRESSION) {
        SignedExpression negated = (SignedExpression) first;
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    HiddenTokenAwareTree colonNode = children.get(1);
    featureNode.addFollowing(colonNode.getPreceding());

    HiddenTokenAwareTree expressionNode = children.get(2);
    Expression expression = (Expression) switchOn(expressionNode);
    return new FixedMediaExpression(token, new MediaExpressionFeature(featureNode, featureNode.getText()), expression);
  }
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      semi.giveHidden(expression, null);
      token.addBeforeFollowing(semi.getFollowing());
    }

    Variable variable = new Variable(name, name.getText());
    Expression value = variableValue(token, expression);
    return new VariableDeclaration(token, variable, value);
  }
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  }

  public NamedExpression handleNamedExpression(HiddenTokenAwareTree token) {
    HiddenTokenAwareTree nameToken = token.getChild(0);
    HiddenTokenAwareTree valueToken = token.getChild(1);
    Expression value = (Expression) switchOn(valueToken);

    return new NamedExpression(token, nameToken.getText(), value);

  }
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        AstLogic.validateLessBodyCompatibility(reference, replacement.getMembers(), problemsHandler);
        solvedMixinReferences.put(reference, replacement);
      } else if (isDetachedRulesetReference(kid)) {
        DetachedRulesetReference detachedRulesetReference = (DetachedRulesetReference) kid;
        Expression fullNodeDefinition = referenceScope.getValue(detachedRulesetReference.getVariable());
       
        if (fullNodeDefinition == null) {
          handleUnavailableDetachedRulesetReference(detachedRulesetReference, solvedMixinReferences);
        } else {
          ExpressionEvaluator expressionEvaluator = new ExpressionEvaluator(referenceScope, problemsHandler, configuration);
          Expression evaluatedDetachedRuleset = expressionEvaluator.evaluate(fullNodeDefinition);
          fullNodeDefinition = evaluatedDetachedRuleset;
          if (evaluatedDetachedRuleset.getType() != ASTCssNodeType.DETACHED_RULESET) {
            handleWrongDetachedRulesetReference(detachedRulesetReference, evaluatedDetachedRuleset, solvedMixinReferences);
          } else {
            DetachedRuleset detachedRuleset = (DetachedRuleset) evaluatedDetachedRuleset;
            IScope scope = detachedRuleset.getScope();
            GeneralBody replacement = mixinsSolver.buildDetachedRulesetReplacement(detachedRulesetReference, referenceScope, detachedRuleset, scope);
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  private boolean solveIfVariableReference(ASTCssNode node, IScope scope) {
    ExpressionEvaluator expressionEvaluator = new ExpressionEvaluator(scope, problemsHandler, configuration);
    switch (node.getType()) {
    case VARIABLE: {
      Expression replacement = expressionEvaluator.evaluate((Variable) node);
      manipulator.replaceAndSynchronizeSilentness(node, replacement);
      return true;
    }
    case INDIRECT_VARIABLE: {
      Expression replacement = expressionEvaluator.evaluate((IndirectVariable) node);
      manipulator.replaceAndSynchronizeSilentness(node, replacement);
      return true;
    }
    case STRING_EXPRESSION: {
      Expression replacement = expressionEvaluator.evaluate((CssString) node);
      manipulator.replaceAndSynchronizeSilentness(node, replacement);
      return true;
    }
    case ESCAPED_VALUE: {
      Expression replacement = expressionEvaluator.evaluate((EscapedValue) node);
      manipulator.replaceAndSynchronizeSilentness(node, replacement);
      return true;
    }
    case EMBEDDED_SCRIPT: {
      Expression replacement = expressionEvaluator.evaluate((EmbeddedScript) node);
      manipulator.replaceAndSynchronizeSilentness(node, replacement);
      return true;
    }
    case ESCAPED_SELECTOR: {
      SimpleSelector replacement = interpolateEscapedSelector((EscapedSelector) node, expressionEvaluator);
      manipulator.replaceAndSynchronizeSilentness(node, replacement);
      return true;
    }
    case FIXED_NAME_PART: {
      FixedNamePart part = (FixedNamePart) node;
      FixedNamePart replacement = interpolateFixedNamePart(part, expressionEvaluator);
      manipulator.replaceMemberAndSynchronizeSilentness(part, replacement);
      return true;
    }
    case VARIABLE_NAME_PART: {
      VariableNamePart part = (VariableNamePart) node;
      Expression value = expressionEvaluator.evaluate(part.getVariable());
      FixedNamePart fixedName = toFixedName(value, node.getUnderlyingStructure(), part);
      FixedNamePart replacement = interpolateFixedNamePart(fixedName, expressionEvaluator);
      manipulator.replaceMemberAndSynchronizeSilentness(part, replacement);
      return true;
    }
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      } else if (kid.getType() == ASTCssNodeType.MIXIN_REFERENCE) {
        currentScope.createDataPlaceholder();
      } else if (kid.getType() == ASTCssNodeType.DETACHED_RULESET_REFERENCE) {
        currentScope.createDataPlaceholder();
      } else if (AstLogic.isExpression(kid)) {
        Expression value = (Expression) kid;
        value.setScope(currentScope);
      }
    }

    IScope result = currentScope;
    if (hasOwnScope)
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  @Override
  public Expression evaluate(List<Expression> parameters, ProblemsHandler problemsHandler, FunctionExpression call, Expression evaluatedParameter) {
    if (parameters.size() > 1)
      problemsHandler.wrongNumberOfArgumentsToFunctionMin(call.getParameter(), call.getName(), 1);

    Expression parameter = parameters.get(0);
    if (parameter.getType() == ASTCssNodeType.STRING_EXPRESSION)
      return evaluate((CssString) parameter);

    if (parameter.getType() == ASTCssNodeType.ESCAPED_VALUE)
      return evaluate((EscapedValue) parameter);

    if (parameter.getType() == ASTCssNodeType.NUMBER)
      return evaluate((NumberExpression) parameter);

    problemsHandler.warnEFunctionArgument(parameter);

    return new FaultyExpression(call.getParameter());
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  @Override
  public Expression evaluate(List<Expression> parameters, ProblemsHandler problemsHandler, FunctionExpression call, Expression evaluatedParameter) {
    if (parameters.size() > 1)
      problemsHandler.wrongNumberOfArgumentsToFunctionMax(call.getParameter(), call.getName(), 1);

    Expression parameter = parameters.get(0);
    if (parameter.getType() == ASTCssNodeType.STRING_EXPRESSION)
      return evaluate((CssString) parameter);

    if (parameter.getType() == ASTCssNodeType.ESCAPED_VALUE)
      return evaluate((EscapedValue) parameter);

    problemsHandler.warnEscapeFunctionArgument(call.getParameter());

    if (parameter.getType() == ASTCssNodeType.COLOR_EXPRESSION)
      return evaluate((ColorExpression) parameter);

    return call.getParameter();
  }
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  • com.github.sommeri.less4j.core.compiler.expressions.AbstractTypeFunction
  • com.github.sommeri.less4j.core.compiler.expressions.CustomFunctions
  • com.github.sommeri.less4j.core.compiler.expressions.E
  • com.github.sommeri.less4j.core.compiler.expressions.Escape
  • com.github.sommeri.less4j.core.compiler.expressions.ExpressionEvaluator
  • com.github.sommeri.less4j.core.compiler.expressions.Format
  • com.github.sommeri.less4j.core.compiler.expressions.IsUnit
  • com.github.sommeri.less4j.core.compiler.expressions.Length
  • com.github.sommeri.less4j.core.compiler.expressions.MinMax
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