Examples with AbstractElement org.eclipse.xtext.AbstractElement used on opensource projects

Example 21 with AbstractElement

use of org.eclipse.xtext.AbstractElement in project xtext-core by eclipse.

the class PartialParsingHelper method hasMandatoryFollowElements.

private boolean hasMandatoryFollowElements(AbstractElement lastParsedElement) {
    if (lastParsedElement.eContainer() instanceof AbstractElement) {
        AbstractElement directParent = (AbstractElement) lastParsedElement.eContainer();
        if (directParent instanceof Group) {
            Group group = (Group) directParent;
            int idx = group.getElements().indexOf(lastParsedElement) + 1;
            for (int i = idx; i < group.getElements().size(); i++) {
                if (isMandatory(group.getElements().get(i)))
                    return true;
            }
        }
        return hasMandatoryFollowElements(directParent);
    }
    return false;
}

Example 22 with AbstractElement

use of org.eclipse.xtext.AbstractElement in project xtext-core by eclipse.

the class AbstractAntlrGrammarGenerator method _dataTypeEbnf2.

protected String _dataTypeEbnf2(final Alternatives it, final boolean supportActions) {
    StringConcatenation _builder = new StringConcatenation();
    {
        EList<AbstractElement> _elements = it.getElements();
        boolean _hasElements = false;
        for (final AbstractElement e : _elements) {
            if (!_hasElements) {
                _hasElements = true;
            } else {
                _builder.appendImmediate("\n    |", "");
            }
            String _dataTypeEbnf = this.dataTypeEbnf(e, supportActions);
            _builder.append(_dataTypeEbnf);
        }
    }
    _builder.newLineIfNotEmpty();
    return _builder.toString();
}

Example 23 with AbstractElement

use of org.eclipse.xtext.AbstractElement in project xtext-core by eclipse.

the class AbstractAntlrGrammarGenerator method _dataTypeEbnf2.

protected String _dataTypeEbnf2(final Group it, final boolean supportActions) {
    StringConcatenation _builder = new StringConcatenation();
    {
        EList<AbstractElement> _elements = it.getElements();
        for (final AbstractElement e : _elements) {
            String _dataTypeEbnf = this.dataTypeEbnf(e, supportActions);
            _builder.append(_dataTypeEbnf);
        }
    }
    _builder.newLineIfNotEmpty();
    return _builder.toString();
}

Example 24 with AbstractElement

use of org.eclipse.xtext.AbstractElement in project xtext-core by eclipse.

the class AbstractAntlrGrammarWithActionsGenerator method _ebnf2.

@Override
protected String _ebnf2(final UnorderedGroup it, final AntlrOptions options, final boolean supportActions) {
    String _xifexpression = null;
    if (supportActions) {
        String _xblockexpression = null;
        {
            final Function1<AbstractElement, Boolean> _function = (AbstractElement it_1) -> {
                boolean _isOptionalCardinality = GrammarUtil.isOptionalCardinality(it_1);
                return Boolean.valueOf((!_isOptionalCardinality));
            };
            final int mandatoryContent = IterableExtensions.size(IterableExtensions.<AbstractElement>filter(it.getElements(), _function));
            StringConcatenation _builder = new StringConcatenation();
            _builder.append("(");
            _builder.newLine();
            _builder.append("\t");
            _builder.append("{ ");
            _builder.newLine();
            _builder.append("\t  ");
            _builder.append("getUnorderedGroupHelper().enter(grammarAccess.");
            UnorderedGroup _originalElement = AntlrGrammarGenUtil.<UnorderedGroup>getOriginalElement(it);
            String _gaRuleElementAccessor = this._grammarAccessExtensions.gaRuleElementAccessor(((AbstractElement) _originalElement));
            _builder.append(_gaRuleElementAccessor, "\t  ");
            _builder.append(");");
            _builder.newLineIfNotEmpty();
            _builder.append("\t");
            _builder.append("}");
            _builder.newLine();
            _builder.append("\t");
            _builder.append("(");
            _builder.newLine();
            _builder.append("\t\t");
            _builder.append("(");
            _builder.newLine();
            {
                Iterable<Pair<Integer, AbstractElement>> _indexed = IterableExtensions.<AbstractElement>indexed(it.getElements());
                boolean _hasElements = false;
                for (final Pair<Integer, AbstractElement> element : _indexed) {
                    if (!_hasElements) {
                        _hasElements = true;
                    } else {
                        _builder.appendImmediate("|", "");
                    }
                    _builder.append("(");
                    _builder.newLine();
                    _builder.append("\t");
                    _builder.append("{getUnorderedGroupHelper().canSelect(grammarAccess.");
                    UnorderedGroup _originalElement_1 = AntlrGrammarGenUtil.<UnorderedGroup>getOriginalElement(it);
                    String _gaRuleElementAccessor_1 = this._grammarAccessExtensions.gaRuleElementAccessor(((AbstractElement) _originalElement_1));
                    _builder.append(_gaRuleElementAccessor_1, "\t");
                    _builder.append(", ");
                    Integer _key = element.getKey();
                    _builder.append(_key, "\t");
                    _builder.append(")}?=>(");
                    _builder.newLineIfNotEmpty();
                    _builder.append("\t\t");
                    _builder.append("{");
                    _builder.newLine();
                    _builder.append("\t\t\t");
                    _builder.append("getUnorderedGroupHelper().select(grammarAccess.");
                    UnorderedGroup _originalElement_2 = AntlrGrammarGenUtil.<UnorderedGroup>getOriginalElement(it);
                    String _gaRuleElementAccessor_2 = this._grammarAccessExtensions.gaRuleElementAccessor(((AbstractElement) _originalElement_2));
                    _builder.append(_gaRuleElementAccessor_2, "\t\t\t");
                    _builder.append(", ");
                    Integer _key_1 = element.getKey();
                    _builder.append(_key_1, "\t\t\t");
                    _builder.append(");");
                    _builder.newLineIfNotEmpty();
                    _builder.append("\t\t");
                    _builder.append("}");
                    _builder.newLine();
                    _builder.append("\t\t\t\t\t");
                    _builder.append("({true}?=>(");
                    String _ebnf2 = this.ebnf2(element.getValue(), options, supportActions);
                    _builder.append(_ebnf2, "\t\t\t\t\t");
                    _builder.append("))");
                    {
                        boolean _isMultipleCardinality = GrammarUtil.isMultipleCardinality(element.getValue());
                        if (_isMultipleCardinality) {
                            _builder.append("+");
                        }
                    }
                    _builder.newLineIfNotEmpty();
                    _builder.append("\t\t");
                    _builder.append("{ ");
                    _builder.newLine();
                    _builder.append("\t\t\t");
                    _builder.append("getUnorderedGroupHelper().returnFromSelection(grammarAccess.");
                    UnorderedGroup _originalElement_3 = AntlrGrammarGenUtil.<UnorderedGroup>getOriginalElement(it);
                    String _gaRuleElementAccessor_3 = this._grammarAccessExtensions.gaRuleElementAccessor(((AbstractElement) _originalElement_3));
                    _builder.append(_gaRuleElementAccessor_3, "\t\t\t");
                    _builder.append(");");
                    _builder.newLineIfNotEmpty();
                    _builder.append("\t\t");
                    _builder.append("}");
                    _builder.newLine();
                    _builder.append("\t");
                    _builder.append(")");
                    _builder.newLine();
                    _builder.append(")");
                    _builder.newLine();
                }
            }
            _builder.append("\t\t");
            _builder.append(")");
            {
                if ((mandatoryContent != 0)) {
                    _builder.append("+");
                    _builder.newLineIfNotEmpty();
                    _builder.append("\t\t");
                    _builder.append("{getUnorderedGroupHelper().canLeave(grammarAccess.");
                    UnorderedGroup _originalElement_4 = AntlrGrammarGenUtil.<UnorderedGroup>getOriginalElement(it);
                    String _gaRuleElementAccessor_4 = this._grammarAccessExtensions.gaRuleElementAccessor(((AbstractElement) _originalElement_4));
                    _builder.append(_gaRuleElementAccessor_4, "\t\t");
                    _builder.append(")}?");
                } else {
                    _builder.append("*");
                }
            }
            _builder.newLineIfNotEmpty();
            _builder.append("\t");
            _builder.append(")");
            _builder.newLine();
            _builder.append(")");
            _builder.newLine();
            _builder.append("\t");
            _builder.append("{ ");
            _builder.newLine();
            _builder.append("\t  ");
            _builder.append("getUnorderedGroupHelper().leave(grammarAccess.");
            UnorderedGroup _originalElement_5 = AntlrGrammarGenUtil.<UnorderedGroup>getOriginalElement(it);
            String _gaRuleElementAccessor_5 = this._grammarAccessExtensions.gaRuleElementAccessor(((AbstractElement) _originalElement_5));
            _builder.append(_gaRuleElementAccessor_5, "\t  ");
            _builder.append(");");
            _builder.newLineIfNotEmpty();
            _builder.append("\t");
            _builder.append("}");
            _builder.newLine();
            _xblockexpression = _builder.toString();
        }
        _xifexpression = _xblockexpression;
    } else {
        _xifexpression = super._ebnf2(it, options, supportActions);
    }
    return _xifexpression;
}

Example 25 with AbstractElement

use of org.eclipse.xtext.AbstractElement in project xtext-core by eclipse.

the class AbstractAntlrGrammarWithActionsGenerator method _compileInitUnorderedGroups.

protected CharSequence _compileInitUnorderedGroups(final ParserRule it, final AntlrOptions options) {
    StringConcatenation _builder = new StringConcatenation();
    {
        boolean _definesUnorderedGroups = this._grammarAccessExtensions.definesUnorderedGroups(it, options);
        if (_definesUnorderedGroups) {
            _builder.newLineIfNotEmpty();
            _builder.append("UnorderedGroupState myUnorderedGroupState = getUnorderedGroupHelper().snapShot(");
            _builder.newLine();
            {
                Iterable<UnorderedGroup> _filter = Iterables.<UnorderedGroup>filter(EcoreUtil2.eAllContentsAsList(it), UnorderedGroup.class);
                boolean _hasElements = false;
                for (final UnorderedGroup group : _filter) {
                    if (!_hasElements) {
                        _hasElements = true;
                    } else {
                        _builder.appendImmediate(", ", "");
                    }
                    _builder.append("grammarAccess.");
                    UnorderedGroup _originalElement = AntlrGrammarGenUtil.<UnorderedGroup>getOriginalElement(group);
                    String _gaRuleElementAccessor = this._grammarAccessExtensions.gaRuleElementAccessor(((AbstractElement) _originalElement));
                    _builder.append(_gaRuleElementAccessor);
                    _builder.newLineIfNotEmpty();
                }
            }
            _builder.append(");");
        }
    }
    return _builder;
}