Revision 44738 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/DefaultCompiler.java
| DefaultCompiler.java | ||
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import org.gvsig.expressionevaluator.impl.DefaultCodeBuilder.BaseConstant; |
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import org.gvsig.expressionevaluator.impl.function.operator.NegOperator; |
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import org.gvsig.expressionevaluator.impl.function.programming.CodeBlockFunction; |
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import org.gvsig.expressionevaluator.spi.AbstractLexicalAnalyzer; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class DefaultCompiler implements Compiler {
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protected static final Logger LOGGER = LoggerFactory.getLogger(DefaultCompiler.class); |
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class DefaultStatementContext implements StatementContext {
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private String codeClassifier; |
| ... | ... | |
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return DefaultCompiler.this.parse_expressions(separator); |
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} |
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@Override |
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public boolean isReservedWord(String s) {
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return grammars.isReservedWord(s); |
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} |
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@Override |
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public void trace(String msg) {
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// System.out.println(msg+". "+this.getLexicalAnalyzer().getSourceContext()); |
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} |
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} |
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private boolean objectAccessSupported; |
| ... | ... | |
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Token next = lexer.look(); |
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if( next.getType() == Token.PARENTHESIS_OPEN ) {
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lexer.next(); |
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Codes args = parse_expressions(",");
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Codes args = parse_arguments();
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next = lexer.next(); |
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switch(next.getType()) {
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case Token.PARENTHESIS_CLOSE: |
| ... | ... | |
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} |
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} |
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public Codes parse_arguments() {
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String sep = ","; |
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BaseCodes codes = null; |
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while( true ) {
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((AbstractLexicalAnalyzer)lexer).push_state(); |
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String argName = null; |
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Token tok0 = lexer.next(); |
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Token tok1 = lexer.next(); |
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if( tok0.getType()==Token.IDENTIFIER && tok1.is(":") ) {
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argName = (String) tok0.getValue(); |
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} else {
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((AbstractLexicalAnalyzer)lexer).pop_state(); |
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} |
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Code code = parse_expression(); |
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if( code!=null ) {
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if( codes == null ) {
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codes = (BaseCodes) codeBuilder.args(); |
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} |
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codes.add(argName, code); |
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} |
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Token next = lexer.look(); |
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String literal = next.getLiteral(); |
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if( literal == null ) {
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return codes; |
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} |
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literal = literal.trim(); |
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if( sep.equals(literal) ) {
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lexer.next(); // Consume el ",". |
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} else {
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return codes; |
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} |
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} |
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} |
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private Code parse_grammars() {
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StatementContext context = new DefaultStatementContext(); |
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Code code; |
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