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Initial refactor to extract EqlWhereListener

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This commit is contained in:
rob bygrave
2019-08-15 20:21:01 +12:00
parent 4b5365e708
commit 06542b031e
7 changed files with 503 additions and 435 deletions
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src/main/java/io/ebeaninternal/server/grammer/EqlParser.java
+12 -9
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@@ -1,5 +1,7 @@
package io.ebeaninternal.server.grammer;
import io.ebean.ExpressionFactory;
import io.ebean.ExpressionList;
import io.ebeaninternal.api.SpiQuery;
import io.ebeaninternal.server.grammer.antlr.EQLLexer;
import io.ebeaninternal.server.grammer.antlr.EQLParser;
@@ -22,20 +24,21 @@ public class EqlParser {
*/
public static <T> void parse(String raw, SpiQuery<T> query) {
EQLLexer lexer = new EQLLexer(CharStreams.fromString(raw));
CommonTokenStream tokens = new CommonTokenStream(lexer);
EQLParser parser = new EQLParser(tokens);
EQLParser parser = new EQLParser(new CommonTokenStream(new EQLLexer(CharStreams.fromString(raw))));
parser.addErrorListener(errorListener);
EQLParser.Select_statementContext context = parser.select_statement();
EqlAdapter<T> adapter = new EqlAdapter<>(query);
ParseTreeWalker walker = new ParseTreeWalker();
walker.walk(adapter, context);
new ParseTreeWalker().walk(new EqlAdapter<>(query), parser.select_statement());
query.simplifyExpressions();
}
public static <T> void parseWhere(String raw, ExpressionList<T> where, ExpressionFactory expr, Object[] params) {
EQLParser parser = new EQLParser(new CommonTokenStream(new EQLLexer(CharStreams.fromString(raw))));
parser.addErrorListener(errorListener);
new ParseTreeWalker().walk(new EqlWhereAdapter<>(where, expr), parser.conditional_expression());
}
static class ErrorListener extends BaseErrorListener {
@Override