svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.lib / org.gvsig.expressionevaluator.lib.impl / src / main / java / org / gvsig / expressionevaluator / impl / DefaultStatement.java @ 44769
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package org.gvsig.expressionevaluator.impl; |
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|
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Objects; |
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import org.apache.commons.lang3.ArrayUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.apache.commons.lang3.tuple.ImmutablePair; |
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import org.apache.commons.lang3.tuple.Pair; |
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import org.gvsig.expressionevaluator.Code; |
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import org.gvsig.expressionevaluator.CodeBuilder; |
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import org.gvsig.expressionevaluator.Codes; |
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import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_LIST; |
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import org.gvsig.expressionevaluator.ExpressionSyntaxException; |
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import org.gvsig.expressionevaluator.LexicalAnalyzer.Token; |
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import org.gvsig.expressionevaluator.Statement; |
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import org.gvsig.expressionevaluator.Statement.CompoundRule; |
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import org.gvsig.expressionevaluator.Statement.ConditionalRule; |
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import org.gvsig.expressionevaluator.Statement.Rule; |
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import org.gvsig.expressionevaluator.Statement.StatementContext; |
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import org.gvsig.expressionevaluator.impl.function.programming.CodeBlockFunction; |
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import org.gvsig.expressionevaluator.impl.DefaultCodeBuilder.BaseCodes; |
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import org.gvsig.expressionevaluator.Code.Callable; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_TUPLE; |
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|
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/**
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*
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* @author jjdelcerro
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*/
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public class DefaultStatement implements Statement { |
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|
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private final List<Rule> rules; |
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private final String name; |
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private StatementBuilder stmtBuilder;
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// private String codeId;
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// private ArgsBuilder argsBuilder;
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|
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public interface IsApplicableRule extends Rule { |
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public boolean isApplicable(StatementContext context); |
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} |
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|
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public interface RepeatRule extends CompoundRule { |
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|
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public String getClassifier(); |
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} |
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|
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public class RuleRequireAnyToken implements IsApplicableRule { |
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|
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private final String[] required_token; |
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private String id; |
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|
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public RuleRequireAnyToken(String... required_token) { |
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this.required_token = required_token;
|
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} |
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|
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@Override
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public RuleRequireAnyToken capture_as(String... ids) { |
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this.id = ids[0]; |
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return this; |
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} |
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|
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@Override
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public void parse(StatementContext context) { |
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context.trace(this.toString()+".parse"); |
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Token token = context.look_token(); |
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if (!token.is(this.required_token)) { |
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throw new ExpressionSyntaxException( |
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I18N.A_XTokenX_was_expected_and_XliteralX_was_found( |
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StringUtils.join(this.required_token,", "), |
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token.getLiteral() |
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), |
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context.getLexicalAnalyzer() |
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); |
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} |
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if( this.id != null ) { |
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Code code = context.getCodeBuilder().constant(token.getValue()); |
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context.setCode(id, code); |
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} |
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context.next_token(); |
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} |
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|
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@Override
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public boolean isApplicable(StatementContext context) { |
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Token token = context.next_token(); |
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boolean r = token.is(this.required_token); |
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context.trace(this.toString()+".isApplicable return "+r); |
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return r;
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} |
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|
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@Override
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public String toString() { |
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return "require_token(" + StringUtils.join(this.required_token) + ")"; |
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} |
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|
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} |
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|
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public class RuleRequireIdentifier implements IsApplicableRule { |
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private String id; |
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|
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public RuleRequireIdentifier() {
|
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} |
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@Override
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public Rule capture_as(String... ids) { |
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this.id = ids[0]; |
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return this; |
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} |
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|
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@Override
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public void parse(StatementContext context) { |
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context.trace(this.toString()+".parse"); |
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Token token = context.look_token(); |
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if (token.getType() != Token.IDENTIFIER) {
|
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throw new ExpressionSyntaxException( |
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I18N.An_identifier_was_expected_and_XliteralX_was_found(token.getLiteral()), |
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context.getLexicalAnalyzer() |
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); |
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} |
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if( this.id!=null ) { |
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String identifier = (String) token.getLiteral(); |
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Code code = context.getCodeBuilder().constant(identifier); |
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context.setCode(id, code); |
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} |
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context.next_token(); |
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} |
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|
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@Override
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public boolean isApplicable(StatementContext context) { |
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Token token = context.next_token(); |
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boolean r = token.getType() == Token.IDENTIFIER;
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context.trace(this.toString()+".isApplicable return "+r); |
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return r;
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} |
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|
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@Override
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public String toString() { |
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return "require_identifier('" + this.id + "')"; |
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} |
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} |
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|
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public class RuleRequireLiteralString implements Rule { |
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private String id; |
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public RuleRequireLiteralString() {
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} |
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@Override
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public Rule capture_as(String... ids) { |
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this.id = ids[0]; |
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return this; |
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} |
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|
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@Override
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public void parse(StatementContext context) { |
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context.trace(this.toString()+".parse"); |
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Token token = context.look_token(); |
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if (token.getType() != Token.STRING_LITERAL) {
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throw new ExpressionSyntaxException( |
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I18N.A_string_literal_was_expected(), |
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context.getLexicalAnalyzer() |
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); |
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} |
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if( this.id!=null ) { |
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String identifier = (String) token.getValue(); |
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Code code = context.getCodeBuilder().constant(identifier); |
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context.setCode(id, code); |
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context.next_token(); |
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} |
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} |
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|
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@Override
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public String toString() { |
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return "require_literal_string('" + this.id + "')"; |
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} |
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} |
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public class RuleRequireExpression implements Rule { |
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private String id; |
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public RuleRequireExpression() {
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} |
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@Override
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public Rule capture_as(String... ids) { |
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this.id = ids[0]; |
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return this; |
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} |
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@Override
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public void parse(StatementContext context) { |
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context.trace(this.toString()+".parse"); |
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Code code = context.parse_expression(); |
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if (code == null) { |
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throw new ExpressionSyntaxException(context.getLexicalAnalyzer()); |
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} |
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if( this.id!=null ) { |
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context.setCode(id, code); |
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} |
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} |
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|
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@Override
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public String toString() { |
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return "require_expression('" + this.id + "')"; |
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} |
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} |
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public class RuleSetExpression implements Rule { |
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private final String id; |
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private final Object value; |
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public RuleSetExpression(String id, Object value) { |
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this.id = id;
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this.value = value;
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} |
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|
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@Override
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public Rule capture_as(String... ids) { |
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throw new UnsupportedOperationException("Unsupported operation."); |
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} |
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|
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@Override
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public void parse(StatementContext context) { |
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context.trace(this.toString()+".parse"); |
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if( this.value instanceof Code ) { |
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context.setCode(id, (Code) this.value);
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} else {
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context.setCode(id, context.getCodeBuilder().constant(value)); |
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} |
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} |
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@Override
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public String toString() { |
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return "set_expression('" + this.id + "', "+Objects.toString(value)+")"; |
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} |
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} |
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public class RuleRequiereExpressions implements Rule { |
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private String id; |
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private final String separator; |
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public RuleRequiereExpressions(String separator) { |
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this.separator = separator;
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} |
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@Override
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public Rule capture_as(String... ids) { |
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this.id = ids[0]; |
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return this; |
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} |
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@Override
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public void parse(StatementContext context) { |
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context.trace(this.toString()+".parse"); |
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Codes codes = context.parse_expressions(this.separator);
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if (codes == null) { |
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throw new ExpressionSyntaxException(context.getLexicalAnalyzer()); |
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} |
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if( this.id!=null ) { |
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Code code; |
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if( codes.size()==1 ) { |
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code = codes.get(0);
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} else {
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code = context.getCodeBuilder().function(CodeBlockFunction.NAME, codes); |
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} |
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context.setCode(id, code); |
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} |
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} |
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|
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@Override
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public String toString() { |
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return "require_expressions('" + this.id + "', '" + this.separator + "')"; |
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} |
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} |
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public abstract class AbstractConditionalRule implements ConditionalRule { |
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protected final List<Rule> onTrueRules; |
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protected final List<Rule> onFalseRules; |
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|
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public AbstractConditionalRule() {
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this.onTrueRules = new ArrayList<>(); |
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this.onFalseRules = new ArrayList<>(); |
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} |
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|
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@Override
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public ConditionalRule capture_as(String... ids) { |
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throw new UnsupportedOperationException("Operation not suppted."); |
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} |
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|
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protected void parseOnTrueRules(StatementContext context) { |
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for (Rule rule : this.onTrueRules) { |
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rule.parse(context); |
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} |
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} |
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|
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protected void parseOnFalseRules(StatementContext context) { |
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for (Rule rule : this.onFalseRules) { |
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rule.parse(context); |
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} |
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} |
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|
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@Override
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public ConditionalRule addRuleOnTrue(Rule rule) {
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this.onTrueRules.add(rule);
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return this; |
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} |
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|
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@Override
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public ConditionalRule addRuleOnFalse(Rule rule) {
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this.onFalseRules.add(rule);
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return this; |
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} |
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|
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} |
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|
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public class RuleOptionalAnyToken implements ConditionalRule { |
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|
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private final String[] optional_token; |
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private final List<Rule> onTrueRules; |
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private final List<Rule> onFalseRules; |
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private String id; |
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|
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public RuleOptionalAnyToken(String... optional_token) { |
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this.optional_token = optional_token;
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this.onTrueRules = new ArrayList<>(); |
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this.onFalseRules = new ArrayList<>(); |
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} |
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|
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@Override
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public ConditionalRule capture_as(String... ids) { |
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this.id = ids[0]; |
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return this; |
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} |
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|
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@Override
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public void parse(StatementContext context) { |
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context.trace(this.toString()+".parse"); |
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Token token = context.look_token(); |
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if (token.is(this.optional_token)) { |
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if( this.id!=null ) { |
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Code code = context.getCodeBuilder().constant(token.getValue()); |
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context.setCode(id, code); |
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} |
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context.next_token(); |
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for (Rule rule : this.onTrueRules) { |
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rule.parse(context); |
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} |
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} else {
|
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for (Rule rule : this.onFalseRules) { |
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rule.parse(context); |
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} |
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} |
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} |
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|
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@Override
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public RuleOptionalAnyToken addRuleOnTrue(Rule rule) {
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this.onTrueRules.add(rule);
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return this; |
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} |
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|
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@Override
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public RuleOptionalAnyToken addRuleOnFalse(Rule rule) {
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this.onFalseRules.add(rule);
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return this; |
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} |
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@Override
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public String toString() { |
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return "optional_token(" + StringUtils.join(this.optional_token) + ") onTrue:" + StringUtils.join(onTrueRules, ",")+", onFalse:" + StringUtils.join(onFalseRules, ","); |
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} |
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} |
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|
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public class RuleSwitchToken implements SwichTokenRule { |
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|
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private final List<Pair<String,Rule[]>> caseRules; |
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private Rule[] defaultRule; |
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|
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public RuleSwitchToken() {
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this.caseRules = new ArrayList<>(); |
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} |
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|
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@Override
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public Rule capture_as(String... ids) { |
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throw new UnsupportedOperationException("Unsupported operation."); |
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} |
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|
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@Override
|
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public void parse(StatementContext context) { |
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context.trace(this.toString()+".parse"); |
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Token token = context.look_token(); |
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for (Pair<String, Rule[]> caseRule : caseRules) { |
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if( token.is(caseRule.getKey()) ) {
|
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context.next_token(); |
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for (Rule rule : caseRule.getValue()) {
|
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rule.parse(context); |
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} |
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return;
|
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} |
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} |
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if( defaultRule!=null ) { |
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for (Rule rule : defaultRule) {
|
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rule.parse(context); |
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} |
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} |
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} |
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|
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@Override
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public SwichTokenRule addCase(String token, Rule... rules) { |
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this.caseRules.add(new ImmutablePair(token,rules)); |
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return this; |
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} |
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|
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@Override
|
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public SwichTokenRule addDefault(Rule... rules) {
|
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this.defaultRule = rules;
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return this; |
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} |
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|
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@Override
|
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public String toString() { |
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return "switch_token() rules:" + StringUtils.join(this.caseRules,",") + " default: " + defaultRule; |
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} |
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} |
431 |
|
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public class RuleRepeatUntilAnyTokens implements RepeatRule { |
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|
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private final String[] exit_tokens; |
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private final List<Rule> rules; |
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private int counter; |
437 |
|
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public RuleRepeatUntilAnyTokens(String[] exit_tokens) { |
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this.exit_tokens = exit_tokens;
|
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this.rules = new ArrayList<>(); |
441 |
} |
442 |
|
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@Override
|
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public Rule capture_as(String... ids) { |
445 |
throw new UnsupportedOperationException("Operation not suppted."); |
446 |
} |
447 |
|
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@Override
|
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public void parse(StatementContext context) { |
450 |
context.trace(this.toString()+".parse"); |
451 |
String save = context.getCodeClassifier();
|
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try {
|
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this.counter = 1; |
454 |
while (true) { |
455 |
Token token = context.look_token(); |
456 |
if (token.is(this.exit_tokens)) { |
457 |
break;
|
458 |
} |
459 |
context.setCodeClassifier(String.valueOf(counter).trim());
|
460 |
for (Rule rule : rules) {
|
461 |
rule.parse(context); |
462 |
} |
463 |
this.counter = this.counter + 1; |
464 |
} |
465 |
} finally {
|
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context.setCodeClassifier(save); |
467 |
} |
468 |
} |
469 |
|
470 |
@Override
|
471 |
public RuleRepeatUntilAnyTokens addRule(Rule rule) {
|
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this.rules.add(rule);
|
473 |
return this; |
474 |
} |
475 |
|
476 |
@Override
|
477 |
public String getClassifier() { |
478 |
String s = String.valueOf(counter).trim(); |
479 |
return s;
|
480 |
} |
481 |
|
482 |
@Override
|
483 |
public String toString() { |
484 |
return "repeat_until_tokens('" + ArrayUtils.toString(this.exit_tokens) + "') rules:" + StringUtils.join(rules, ","); |
485 |
} |
486 |
} |
487 |
|
488 |
public class RuleRepeat implements RepeatRule { |
489 |
|
490 |
private final List<Rule> rules; |
491 |
private int counter; |
492 |
|
493 |
public RuleRepeat() {
|
494 |
this.rules = new ArrayList<>(); |
495 |
} |
496 |
|
497 |
@Override
|
498 |
public Rule capture_as(String... ids) { |
499 |
throw new UnsupportedOperationException("Operation not suppted."); |
500 |
} |
501 |
|
502 |
@Override
|
503 |
public void parse(StatementContext context) { |
504 |
context.trace(this.toString()+".parse"); |
505 |
String save = context.getCodeClassifier();
|
506 |
try {
|
507 |
this.counter = 1; |
508 |
boolean breakloop = false; |
509 |
while (!breakloop) {
|
510 |
context.setCodeClassifier(String.valueOf(counter).trim());
|
511 |
for (Rule rule : rules) {
|
512 |
try {
|
513 |
rule.parse(context); |
514 |
} catch(BreakLoopException ex) {
|
515 |
breakloop = true;
|
516 |
break;
|
517 |
} |
518 |
} |
519 |
this.counter = this.counter + 1; |
520 |
} |
521 |
} finally {
|
522 |
context.setCodeClassifier(save); |
523 |
} |
524 |
} |
525 |
|
526 |
@Override
|
527 |
public RuleRepeat addRule(Rule rule) {
|
528 |
this.rules.add(rule);
|
529 |
return this; |
530 |
} |
531 |
|
532 |
@Override
|
533 |
public String getClassifier() { |
534 |
String s = String.valueOf(counter).trim(); |
535 |
return s;
|
536 |
} |
537 |
|
538 |
@Override
|
539 |
public String toString() { |
540 |
return "repeat() rules:" + StringUtils.join(rules, ","); |
541 |
} |
542 |
} |
543 |
|
544 |
public static class BreakLoopException extends RuntimeException { |
545 |
|
546 |
} |
547 |
|
548 |
public static class RuleBreakLoop implements Rule { |
549 |
|
550 |
public RuleBreakLoop() {
|
551 |
} |
552 |
|
553 |
@Override
|
554 |
public Rule capture_as(String... ids) { |
555 |
throw new UnsupportedOperationException("Operation not suppted."); |
556 |
} |
557 |
|
558 |
@Override
|
559 |
public void parse(StatementContext context) { |
560 |
context.trace(this.toString()+".parse"); |
561 |
throw new BreakLoopException(); |
562 |
} |
563 |
|
564 |
@Override
|
565 |
public String toString() { |
566 |
return "break_loop()"; |
567 |
} |
568 |
} |
569 |
|
570 |
public static class RuleFail implements Rule { |
571 |
|
572 |
public RuleFail() {
|
573 |
} |
574 |
|
575 |
@Override
|
576 |
public Rule capture_as(String... ids) { |
577 |
throw new UnsupportedOperationException("Operation not suppted."); |
578 |
} |
579 |
|
580 |
@Override
|
581 |
public void parse(StatementContext context) { |
582 |
context.trace(this.toString()+".parse"); |
583 |
throw new ExpressionSyntaxException(); |
584 |
} |
585 |
|
586 |
@Override
|
587 |
public String toString() { |
588 |
return "fail()"; |
589 |
} |
590 |
} |
591 |
|
592 |
public class RuleOptionalIdentifiers extends AbstractConditionalRule implements ConditionalRule { |
593 |
|
594 |
private String id; |
595 |
private final String separator; |
596 |
|
597 |
public RuleOptionalIdentifiers(String separator) { |
598 |
super();
|
599 |
this.separator = separator;
|
600 |
} |
601 |
|
602 |
@Override
|
603 |
public ConditionalRule capture_as(String... ids) { |
604 |
this.id = ids[0]; |
605 |
return this; |
606 |
} |
607 |
|
608 |
@Override
|
609 |
public void parse(StatementContext context) { |
610 |
context.trace(this.toString()+".parse"); |
611 |
BaseCodes args = (BaseCodes) context.getCodeBuilder().args(); |
612 |
Token token = context.look_token(); |
613 |
while (token.getType() == Token.IDENTIFIER) {
|
614 |
String identifier = (String) token.getLiteral(); |
615 |
if( context.isReservedWord(identifier) ) {
|
616 |
break;
|
617 |
} |
618 |
Code code = context.getCodeBuilder().constant(identifier); |
619 |
args.add(code); |
620 |
context.next_token(); |
621 |
token = context.look_token(); |
622 |
if (!token.is(this.separator)) { |
623 |
break;
|
624 |
} |
625 |
context.next_token(); |
626 |
token = context.look_token(); |
627 |
} |
628 |
if (args.size() != 0) { |
629 |
if( this.id!=null ) { |
630 |
Code code = context.getCodeBuilder().function(FUNCTION_LIST, args); |
631 |
context.setCode(id, code); |
632 |
} |
633 |
this.parseOnTrueRules(context);
|
634 |
} else {
|
635 |
this.parseOnFalseRules(context);
|
636 |
} |
637 |
} |
638 |
|
639 |
@Override
|
640 |
public String toString() { |
641 |
return "optional_identifiers('" + id + "', '" + this.separator + "')"; |
642 |
} |
643 |
} |
644 |
|
645 |
public class RuleRequireIdentifiers implements Rule { |
646 |
|
647 |
private String id; |
648 |
private final String separator; |
649 |
|
650 |
public RuleRequireIdentifiers(String separator) { |
651 |
super();
|
652 |
this.separator = separator;
|
653 |
} |
654 |
|
655 |
@Override
|
656 |
public Rule capture_as(String... ids) { |
657 |
this.id = ids[0]; |
658 |
return this; |
659 |
} |
660 |
|
661 |
@Override
|
662 |
public void parse(StatementContext context) { |
663 |
context.trace(this.toString()+".parse"); |
664 |
BaseCodes args = (BaseCodes) context.getCodeBuilder().args(); |
665 |
Token token = context.look_token(); |
666 |
while (token.getType() == Token.IDENTIFIER) {
|
667 |
String identifier = (String) token.getLiteral(); |
668 |
if( context.isReservedWord(identifier) ) {
|
669 |
break;
|
670 |
} |
671 |
Code code = context.getCodeBuilder().identifier(identifier); |
672 |
args.add(code); |
673 |
context.next_token(); |
674 |
token = context.look_token(); |
675 |
if (!token.is(this.separator)) { |
676 |
break;
|
677 |
} |
678 |
context.next_token(); |
679 |
token = context.look_token(); |
680 |
} |
681 |
if (args.size() == 0) { |
682 |
throw new ExpressionSyntaxException( |
683 |
I18N.An_identifier_was_expected_and_XliteralX_was_found(token.getLiteral()), |
684 |
context.getLexicalAnalyzer() |
685 |
); |
686 |
} |
687 |
if( this.id!=null ) { |
688 |
Code code = context.getCodeBuilder().function(FUNCTION_TUPLE, args); |
689 |
context.setCode(id, code); |
690 |
} |
691 |
} |
692 |
|
693 |
@Override
|
694 |
public String toString() { |
695 |
return "require_identifiers('" + id + "', '" + this.separator + "')"; |
696 |
} |
697 |
} |
698 |
|
699 |
public class RuleOptionalLiteralString extends AbstractConditionalRule implements ConditionalRule { |
700 |
|
701 |
private String id; |
702 |
|
703 |
public RuleOptionalLiteralString() {
|
704 |
super();
|
705 |
} |
706 |
|
707 |
@Override
|
708 |
public ConditionalRule capture_as(String... ids) { |
709 |
this.id = ids[0]; |
710 |
return this; |
711 |
} |
712 |
|
713 |
@Override
|
714 |
public void parse(StatementContext context) { |
715 |
context.trace(this.toString()+".parse"); |
716 |
Token token = context.look_token(); |
717 |
if (token.getType() == Token.STRING_LITERAL) {
|
718 |
if( this.id!=null ) { |
719 |
String s = (String) token.getValue(); |
720 |
Code code = context.getCodeBuilder().constant(s); |
721 |
context.setCode(id, code); |
722 |
context.next_token(); |
723 |
} |
724 |
this.parseOnTrueRules(context);
|
725 |
} else {
|
726 |
this.parseOnFalseRules(context);
|
727 |
} |
728 |
} |
729 |
|
730 |
@Override
|
731 |
public String toString() { |
732 |
return "optional_literal_string('" + id + "')"; |
733 |
} |
734 |
} |
735 |
|
736 |
public static class ArgsBuilderFromNames implements ArgsBuilder { |
737 |
|
738 |
protected final String[] argNames; |
739 |
|
740 |
public ArgsBuilderFromNames(String... argNames) { |
741 |
this.argNames = argNames;
|
742 |
} |
743 |
|
744 |
@Override
|
745 |
public String toString() { |
746 |
return "args_names("+StringUtils.join(argNames,",")+")"; |
747 |
} |
748 |
|
749 |
@Override
|
750 |
public Codes build(StatementContext context) {
|
751 |
context.trace(this.toString()+".build"); |
752 |
BaseCodes args = (BaseCodes) context.getCodeBuilder().args(); |
753 |
for (String argName : argNames) { |
754 |
if (argName.contains("#")) { |
755 |
int n = 1; |
756 |
while (true) { |
757 |
String argNameX = StringUtils.replace(argName, "#", String.valueOf(n).trim(), 1); |
758 |
Code code = context.getCode(argNameX); |
759 |
if (code == null) { |
760 |
break;
|
761 |
} |
762 |
args.add(code); |
763 |
n++; |
764 |
} |
765 |
} else {
|
766 |
Code code = context.getCode(argName); |
767 |
// if( code == null) {
|
768 |
// code = context.getCodeBuilder().constant(null);
|
769 |
// }
|
770 |
args.add(code); |
771 |
} |
772 |
} |
773 |
return args;
|
774 |
} |
775 |
} |
776 |
|
777 |
public static class FixedArgsBuilderFromNames implements ArgsBuilder { |
778 |
|
779 |
protected final String[] argNames; |
780 |
|
781 |
public FixedArgsBuilderFromNames(String... argNames) { |
782 |
this.argNames = argNames;
|
783 |
} |
784 |
|
785 |
@Override
|
786 |
public String toString() { |
787 |
return "fixed_args_names("+StringUtils.join(argNames,",")+")"; |
788 |
} |
789 |
|
790 |
@Override
|
791 |
public Codes build(StatementContext context) {
|
792 |
context.trace(this.toString()+".build"); |
793 |
CodeBuilder codeBuilder = context.getCodeBuilder(); |
794 |
BaseCodes args = (BaseCodes) codeBuilder.args(); |
795 |
for (String argName : argNames) { |
796 |
if (argName.contains("#")) { |
797 |
int n = 1; |
798 |
BaseCodes argsX = (BaseCodes) codeBuilder.args(); |
799 |
while (true) { |
800 |
String argNameX = StringUtils.replace(argName, "#", String.valueOf(n).trim(), 1); |
801 |
Code code = context.getCode(argNameX); |
802 |
if (code == null) { |
803 |
break;
|
804 |
} |
805 |
argsX.add(code); |
806 |
n++; |
807 |
} |
808 |
|
809 |
args.add(codeBuilder.tuple(argsX)); |
810 |
} else {
|
811 |
Code code = context.getCode(argName); |
812 |
if( code == null) { |
813 |
code = context.getCodeBuilder().constant(null);
|
814 |
} |
815 |
args.add(code); |
816 |
} |
817 |
} |
818 |
return args;
|
819 |
} |
820 |
} |
821 |
|
822 |
public static class ArgsBuilderExpand extends ArgsBuilderFromNames { |
823 |
|
824 |
public ArgsBuilderExpand(String... argNames) { |
825 |
super(argNames);
|
826 |
} |
827 |
|
828 |
@Override
|
829 |
public String toString() { |
830 |
return "args_expand("+StringUtils.join(argNames,",")+")"; |
831 |
} |
832 |
|
833 |
@Override
|
834 |
public Codes build(StatementContext context) {
|
835 |
BaseCodes args = (BaseCodes) context.getCodeBuilder().args(); |
836 |
|
837 |
Codes base_args = super.build(context);
|
838 |
for (Code arg : base_args) {
|
839 |
if( arg.code() == Code.CALLABLE &&
|
840 |
((Callable)arg).name().equals(CodeBlockFunction.NAME) ) {
|
841 |
Codes block_args = ((Callable)arg).parameters();
|
842 |
for (Code block_arg : block_args) {
|
843 |
args.add(block_arg); |
844 |
} |
845 |
} else {
|
846 |
args.add(arg); |
847 |
} |
848 |
} |
849 |
return args;
|
850 |
} |
851 |
} |
852 |
|
853 |
public static class StatementBuilderBase implements StatementBuilder { |
854 |
protected ArgsBuilder argsBuilder;
|
855 |
protected String codeID; |
856 |
|
857 |
public StatementBuilderBase(String codeID, ArgsBuilder argsBuilder) { |
858 |
this.codeID = codeID;
|
859 |
this.argsBuilder = argsBuilder;
|
860 |
} |
861 |
|
862 |
@Override
|
863 |
public String getCodeID() { |
864 |
return this.codeID; |
865 |
} |
866 |
|
867 |
@Override
|
868 |
public ArgsBuilder getArgsBuilder() {
|
869 |
return this.argsBuilder; |
870 |
} |
871 |
|
872 |
@Override
|
873 |
public Code build(StatementContext context) {
|
874 |
Codes args = this.getArgsBuilder().build(context);
|
875 |
Code code = null;
|
876 |
if (this.getCodeID() == null) { |
877 |
code = args.get(0);
|
878 |
} else {
|
879 |
if (args.size() == 0) { |
880 |
code = context.getCodeBuilder().function(this.getCodeID(), null); |
881 |
} else {
|
882 |
// Si es un bloque dentro de otro, dejamos solo uno.
|
883 |
if( args.size()==1 && |
884 |
StringUtils.equalsIgnoreCase(CodeBlockFunction.NAME,this.getCodeID()) ) {
|
885 |
Code code0 = args.get(0);
|
886 |
if( code0.code() == Code.CALLABLE &&
|
887 |
StringUtils.equalsIgnoreCase(CodeBlockFunction.NAME,((Callable)code0).name())
|
888 |
) { |
889 |
code = code0; |
890 |
} |
891 |
} |
892 |
if( code == null ) { |
893 |
code = context.getCodeBuilder().function(this.getCodeID(), args);
|
894 |
} |
895 |
} |
896 |
} |
897 |
return code;
|
898 |
} |
899 |
} |
900 |
|
901 |
public DefaultStatement(String name) { |
902 |
this.rules = new ArrayList<>(); |
903 |
this.stmtBuilder = null; |
904 |
this.name = name;
|
905 |
} |
906 |
|
907 |
@Override
|
908 |
public String getName() { |
909 |
return name;
|
910 |
} |
911 |
|
912 |
@Override
|
913 |
public Rule require_any_token(String... token) { |
914 |
return new RuleRequireAnyToken(token); |
915 |
} |
916 |
|
917 |
@Override
|
918 |
public Rule require_identifier() {
|
919 |
return new RuleRequireIdentifier(); |
920 |
} |
921 |
|
922 |
@Override
|
923 |
public Rule require_identifiers(String sep) { |
924 |
return new RuleRequireIdentifiers(sep); |
925 |
} |
926 |
|
927 |
@Override
|
928 |
public Rule require_literal_string() {
|
929 |
return new RuleRequireLiteralString(); |
930 |
} |
931 |
|
932 |
@Override
|
933 |
public Rule set_expression(String id, Object value) { |
934 |
return new RuleSetExpression(id, value); |
935 |
} |
936 |
|
937 |
@Override
|
938 |
public Rule require_expression() {
|
939 |
return new RuleRequireExpression(); |
940 |
} |
941 |
|
942 |
@Override
|
943 |
public Rule require_expressions(String separator) { |
944 |
return new RuleRequiereExpressions(separator); |
945 |
} |
946 |
|
947 |
@Override
|
948 |
public ConditionalRule optional_any_token(String... id) { |
949 |
return new RuleOptionalAnyToken(id); |
950 |
} |
951 |
|
952 |
@Override
|
953 |
public ConditionalRule optional_identifiers(String separator) { |
954 |
return new RuleOptionalIdentifiers(separator); |
955 |
} |
956 |
|
957 |
@Override
|
958 |
public ConditionalRule optional_literal_string() {
|
959 |
return new RuleOptionalLiteralString(); |
960 |
} |
961 |
|
962 |
@Override
|
963 |
public CompoundRule repeat_until_any_tokens(String... tokens) { |
964 |
return new RuleRepeatUntilAnyTokens(tokens); |
965 |
} |
966 |
|
967 |
@Override
|
968 |
public Statement addRule(Rule rule) { |
969 |
this.rules.add(rule);
|
970 |
return this; |
971 |
} |
972 |
|
973 |
@Override
|
974 |
public boolean isApplicable(StatementContext context) { |
975 |
if (this.rules.isEmpty()) { |
976 |
return false; |
977 |
} |
978 |
context.trace(this.getName()+".isApplicable"); |
979 |
context.save_state(); |
980 |
try {
|
981 |
for (Rule rule : rules) {
|
982 |
if( rule == null ) { |
983 |
continue;
|
984 |
} |
985 |
if (rule instanceof IsApplicableRule) { |
986 |
if( !((IsApplicableRule) rule).isApplicable(context) ) {
|
987 |
context.trace(this.getName()+".isApplicable return false"); |
988 |
return false; |
989 |
} |
990 |
} else {
|
991 |
rule.parse(context); |
992 |
} |
993 |
} |
994 |
context.trace(this.getName()+".isApplicable return true"); |
995 |
return true; |
996 |
} catch(Exception ex) { |
997 |
context.trace(this.getName()+".isApplicable return false (error)"); |
998 |
return false; |
999 |
} finally {
|
1000 |
context.restore_state(); |
1001 |
} |
1002 |
} |
1003 |
|
1004 |
@Override
|
1005 |
public ArgsBuilder args_names(String... args) { |
1006 |
ArgsBuilder x = new ArgsBuilderFromNames(args);
|
1007 |
return x;
|
1008 |
} |
1009 |
|
1010 |
@Override
|
1011 |
public ArgsBuilder fixed_args_names(String... args) { |
1012 |
ArgsBuilder x = new FixedArgsBuilderFromNames(args);
|
1013 |
return x;
|
1014 |
} |
1015 |
|
1016 |
@Override
|
1017 |
public ArgsBuilder args_expand(String... args) { |
1018 |
ArgsBuilder x = new ArgsBuilderExpand(args);
|
1019 |
return x;
|
1020 |
} |
1021 |
|
1022 |
@Override
|
1023 |
public void code(final String id, final ArgsBuilder argsBuilder) { |
1024 |
this.builder(new StatementBuilderBase(id, argsBuilder)); |
1025 |
} |
1026 |
|
1027 |
@Override
|
1028 |
public void builder(StatementBuilder builder) { |
1029 |
this.stmtBuilder = builder;
|
1030 |
} |
1031 |
|
1032 |
@Override
|
1033 |
public Code parse(StatementContext context) {
|
1034 |
context.trace(this.getName()+".parse"); |
1035 |
for (Rule rule : rules) {
|
1036 |
rule.parse(context); |
1037 |
} |
1038 |
Code code = this.stmtBuilder.build(context);
|
1039 |
context.trace(this.getName()+".return "+code); |
1040 |
return code;
|
1041 |
} |
1042 |
|
1043 |
@Override
|
1044 |
public String toString() { |
1045 |
return this.getName() + " " + StringUtils.join(this.rules, ";"); |
1046 |
|
1047 |
} |
1048 |
|
1049 |
@Override
|
1050 |
public CompoundRule repeat() {
|
1051 |
return new RuleRepeat(); |
1052 |
} |
1053 |
|
1054 |
@Override
|
1055 |
public Rule fail() {
|
1056 |
return new RuleFail(); |
1057 |
} |
1058 |
|
1059 |
@Override
|
1060 |
public Rule break_loop() {
|
1061 |
return new RuleBreakLoop(); |
1062 |
} |
1063 |
|
1064 |
@Override
|
1065 |
public SwichTokenRule switch_token() {
|
1066 |
return new RuleSwitchToken(); |
1067 |
} |
1068 |
|
1069 |
} |