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

Example 11 with RuleCall

use of org.eclipse.xtext.RuleCall 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 12 with RuleCall

use of org.eclipse.xtext.RuleCall 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());
}

Example 13 with RuleCall

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

the class XtextLinkerTest method testQualifiedRuleCall_02.

@Test
public void testQualifiedRuleCall_02() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test 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 STRING: super;");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    final XtextResource resource = this.getResourceFromString(grammarAsString);
    EObject _get = resource.getContents().get(0);
    Grammar grammar = ((Grammar) _get);
    AbstractRule _get_1 = grammar.getRules().get(1);
    final TerminalRule string = ((TerminalRule) _get_1);
    AbstractElement _alternatives = string.getAlternatives();
    final RuleCall callToSuper = ((RuleCall) _alternatives);
    Assert.assertEquals(GrammarUtil.findRuleForName(IterableExtensions.<Grammar>head(grammar.getUsedGrammars()), "STRING"), callToSuper.getRule());
}

Example 14 with RuleCall

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

the class ContextPDAProviderTest method getParserRule.

protected String getParserRule(String body) throws Exception {
    Grammar grammar = (Grammar) getModel(HEADER + body);
    List<String> result = Lists.newArrayList();
    PdaListFormatter<ISerState, RuleCall> formatter = new PdaListFormatter<ISerState, RuleCall>();
    formatter.setStateFormatter(new ToStr());
    formatter.setStackitemFormatter(new GrammarElementTitleSwitch().showAssignments().hideCardinality());
    formatter.sortFollowers();
    IContextPDAProvider pdaProvider = get(IContextPDAProvider.class);
    SerializationContextMap<Pda<ISerState, RuleCall>> pdas = pdaProvider.getContextPDAs(grammar);
    for (Entry<Pda<ISerState, RuleCall>> ctx : pdas.sortedCopy().values()) {
        result.add(Joiner.on(", ").join(ctx.getContexts()) + ":");
        Pda<ISerState, RuleCall> pda = ctx.getValue();
        result.add("  " + formatter.format(pda).replace("\n", "\n  "));
    // StackTraceElement ele = Thread.currentThread().getStackTrace()[2];
    // String name = getClass().getSimpleName() + "_" + ele.getMethodName() + "_" + ctx.getSecond() + ".pdf";
    // new PdaToDot<ISerState, RuleCall>().draw(pda, "dot/" + name, "-T pdf");
    }
    return Joiner.on("\n").join(result);
}

Example 15 with RuleCall

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

the class ContextTypePDAProviderTest method getParserRule.

protected String getParserRule(String body) throws Exception {
    Grammar grammar = (Grammar) getModel(HEADER + body);
    // drawGrammar("pdf/" + getName(), grammar);
    List<String> result = Lists.newArrayList();
    PdaListFormatter<ISerState, RuleCall> formatter = new PdaListFormatter<ISerState, RuleCall>();
    formatter.setStateFormatter(new ToStr());
    formatter.setStackitemFormatter(new GrammarElementTitleSwitch().showAssignments().hideCardinality());
    formatter.sortFollowers();
    IContextTypePDAProvider typePDAProvider = get(IContextTypePDAProvider.class);
    SerializationContextMap<Pda<ISerState, RuleCall>> pdas = typePDAProvider.getContextTypePDAs(grammar);
    for (Entry<Pda<ISerState, RuleCall>> ctx : pdas.sortedCopy().values()) {
        result.add(Joiner.on(", ").join(ctx.getContexts()) + ":");
        result.add("  " + formatter.format(ctx.getValue()).replace("\n", "\n  "));
    }
    return Joiner.on("\n").join(result);
}