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

Example 61 with Grammar

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

the class SuperCallScopeTest method testGetAllElements_02.

@Test
public void testGetAllElements_02() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test.Lang with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("generate test \'http://test\'");
    _builder.newLine();
    _builder.append("Rule: name=ID;");
    _builder.newLine();
    _builder.append("terminal ID: super;");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    EObject _model = this.getModel(grammarAsString);
    final Grammar grammar = ((Grammar) _model);
    AbstractRule _last = IterableExtensions.<AbstractRule>last(grammar.getRules());
    final SuperCallScope scope = new SuperCallScope(_last);
    this.assertElementNames(scope.getAllElements(), "Lang.Rule", "test.Lang.Rule", "Lang.ID", "test.Lang.ID", "super", "super.ID", "Terminals.ID", "org.eclipse.xtext.common.Terminals.ID", "super.INT", "Terminals.INT", "org.eclipse.xtext.common.Terminals.INT", "super.STRING", "Terminals.STRING", "org.eclipse.xtext.common.Terminals.STRING", "super.ML_COMMENT", "Terminals.ML_COMMENT", "org.eclipse.xtext.common.Terminals.ML_COMMENT", "super.SL_COMMENT", "Terminals.SL_COMMENT", "org.eclipse.xtext.common.Terminals.SL_COMMENT", "super.WS", "Terminals.WS", "org.eclipse.xtext.common.Terminals.WS", "super.ANY_OTHER", "Terminals.ANY_OTHER", "org.eclipse.xtext.common.Terminals.ANY_OTHER");
}

Example 62 with Grammar

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

the class XtextLinkerTest method testQualifiedRuleCall_01.

@Test
public void testQualifiedRuleCall_01() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test.Lang with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("generate test \'http://test\'");
    _builder.newLine();
    _builder.append("RuleA returns Type:");
    _builder.newLine();
    _builder.append("  ");
    _builder.append("name+=ID name+=super::ID name+=Terminals::ID name+=org::eclipse::xtext::common::Terminals::ID;");
    _builder.newLine();
    _builder.append("RuleB returns Type:");
    _builder.newLine();
    _builder.append("  ");
    _builder.append("name+=STRING name+=Lang::STRING name+=test::Lang::STRING;");
    _builder.newLine();
    _builder.append("RuleC returns Type:");
    _builder.newLine();
    _builder.append("  ");
    _builder.append("name+=super::STRING name+=Terminals::STRING name+=org::eclipse::xtext::common::Terminals::STRING;");
    _builder.newLine();
    _builder.append("terminal STRING: super::STRING;");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    final XtextResource resource = this.getResourceFromString(grammarAsString);
    EObject _get = resource.getContents().get(0);
    Grammar grammar = ((Grammar) _get);
    final AbstractRule firstRule = IterableExtensions.<AbstractRule>head(grammar.getRules());
    final AbstractRule idRule = GrammarUtil.findRuleForName(IterableExtensions.<Grammar>head(grammar.getUsedGrammars()), "ID");
    final Function1<RuleCall, Boolean> _function = (RuleCall it) -> {
        AbstractRule _rule = it.getRule();
        return Boolean.valueOf(Objects.equal(_rule, idRule));
    };
    Assert.assertTrue(IterableExtensions.<RuleCall>forall(GrammarUtil.containedRuleCalls(firstRule), _function));
    final AbstractRule secondRule = IterableExtensions.<AbstractRule>head(IterableExtensions.<AbstractRule>tail(grammar.getRules()));
    final AbstractRule stringRule = IterableExtensions.<AbstractRule>last(grammar.getRules());
    final Function1<RuleCall, Boolean> _function_1 = (RuleCall it) -> {
        AbstractRule _rule = it.getRule();
        return Boolean.valueOf(Objects.equal(_rule, stringRule));
    };
    Assert.assertTrue(IterableExtensions.<RuleCall>forall(GrammarUtil.containedRuleCalls(secondRule), _function_1));
    final AbstractRule thirdRule = IterableExtensions.<AbstractRule>head(IterableExtensions.<AbstractRule>drop(grammar.getRules(), 2));
    final AbstractRule inheritedString = GrammarUtil.findRuleForName(IterableExtensions.<Grammar>head(grammar.getUsedGrammars()), "STRING");
    final Function1<RuleCall, Boolean> _function_2 = (RuleCall it) -> {
        AbstractRule _rule = it.getRule();
        return Boolean.valueOf(Objects.equal(_rule, inheritedString));
    };
    Assert.assertTrue(IterableExtensions.<RuleCall>forall(GrammarUtil.containedRuleCalls(thirdRule), _function_2));
}

Example 63 with Grammar

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

the class XtextLinkerTest method testGuardLinking.

@Test
public void testGuardLinking() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test.Lang with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("generate test \'http://test\'");
    _builder.newLine();
    _builder.append("Root<MyArg>: <MyArg> name=ID | <!MyArg> name=STRING;");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    EObject _model = this.getModel(grammarAsString);
    final Grammar grammar = ((Grammar) _model);
    AbstractRule _head = IterableExtensions.<AbstractRule>head(grammar.getRules());
    final ParserRule rootRule = ((ParserRule) _head);
    AbstractElement _alternatives = rootRule.getAlternatives();
    final Alternatives alternatives = ((Alternatives) _alternatives);
    AbstractElement _head_1 = IterableExtensions.<AbstractElement>head(alternatives.getElements());
    Condition _guardCondition = ((Group) _head_1).getGuardCondition();
    final ParameterReference firstGuard = ((ParameterReference) _guardCondition);
    Assert.assertEquals(IterableExtensions.<Parameter>head(rootRule.getParameters()), firstGuard.getParameter());
    AbstractElement _last = IterableExtensions.<AbstractElement>last(alternatives.getElements());
    Condition _guardCondition_1 = ((Group) _last).getGuardCondition();
    final Negation secondGuard = ((Negation) _guardCondition_1);
    Condition _value = secondGuard.getValue();
    Assert.assertEquals(IterableExtensions.<Parameter>head(rootRule.getParameters()), ((ParameterReference) _value).getParameter());
}

Example 64 with Grammar

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

the class XtextLinkerTest method testExplicitRuleCallsAreTracked.

@Test
public void testExplicitRuleCallsAreTracked() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test.Lang with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("generate test \'http://test\'");
    _builder.newLine();
    _builder.append("Rule: name=super::ID name=ID;");
    _builder.newLine();
    _builder.append("terminal ID: super;");
    _builder.newLine();
    _builder.append("terminal _super: \'s\';");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    final XtextResource resource = this.getResourceFromString(grammarAsString);
    EObject _get = resource.getContents().get(0);
    Grammar grammar = ((Grammar) _get);
    final AbstractRule firstRule = IterableExtensions.<AbstractRule>head(grammar.getRules());
    final RuleCall firstRuleCall = IteratorExtensions.<RuleCall>head(Iterators.<RuleCall>filter(firstRule.eAllContents(), RuleCall.class));
    Assert.assertTrue(firstRuleCall.isExplicitlyCalled());
    final RuleCall secondRuleCall = IteratorExtensions.<RuleCall>last(Iterators.<RuleCall>filter(firstRule.eAllContents(), RuleCall.class));
    Assert.assertFalse(secondRuleCall.isExplicitlyCalled());
    final RuleCall thirdRuleCall = IteratorExtensions.<RuleCall>head(Iterators.<RuleCall>filter(grammar.getRules().get(1).eAllContents(), RuleCall.class));
    Assert.assertTrue(thirdRuleCall.isExplicitlyCalled());
    resource.update(grammarAsString.indexOf("_super"), 1, " ");
    Assert.assertEquals(resource, firstRuleCall.eResource());
    Assert.assertEquals(resource, secondRuleCall.eResource());
    Assert.assertEquals(resource, thirdRuleCall.eResource());
    resource.getContents();
    Assert.assertFalse(thirdRuleCall.isExplicitlyCalled());
    Assert.assertEquals(IterableExtensions.<AbstractRule>last(grammar.getRules()), thirdRuleCall.getRule());
}

Example 65 with Grammar

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

the class XtextLinkerTest method testNamedParameterLinking.

@Test
public void testNamedParameterLinking() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test.Lang with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("generate test \'http://test\'");
    _builder.newLine();
    _builder.append("Root<MyArg>: rule=Rule<MyArg>;");
    _builder.newLine();
    _builder.append("Rule<MyParam>: name=ID child=Root<MyArg=MyParam>?;");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    EObject _model = this.getModel(grammarAsString);
    final Grammar grammar = ((Grammar) _model);
    AbstractRule _head = IterableExtensions.<AbstractRule>head(grammar.getRules());
    final ParserRule rootRule = ((ParserRule) _head);
    AbstractRule _last = IterableExtensions.<AbstractRule>last(grammar.getRules());
    final ParserRule lastRule = ((ParserRule) _last);
    AbstractElement _alternatives = lastRule.getAlternatives();
    AbstractElement _last_1 = IterableExtensions.<AbstractElement>last(((Group) _alternatives).getElements());
    final Assignment lastAssignment = ((Assignment) _last_1);
    AbstractElement _terminal = lastAssignment.getTerminal();
    final RuleCall ruleCall = ((RuleCall) _terminal);
    final NamedArgument argument = IterableExtensions.<NamedArgument>head(ruleCall.getArguments());
    Assert.assertEquals(IterableExtensions.<Parameter>head(rootRule.getParameters()), argument.getParameter());
    Condition _value = argument.getValue();
    Assert.assertEquals(IterableExtensions.<Parameter>head(lastRule.getParameters()), ((ParameterReference) _value).getParameter());
}