Add a grammar rule for table expression ("table(...)")

zpa-core/src/main/kotlin/org/sonar/plugins/plsqlopen/api/SingleRowSqlFunctionsGrammar.kt

@@ -19,13 +19,13 @@
  */
 package org.sonar.plugins.plsqlopen.api
 
+import com.felipebz.flr.grammar.GrammarRuleKey
 import org.sonar.plsqlopen.sslr.PlSqlGrammarBuilder
 import org.sonar.plugins.plsqlopen.api.DmlGrammar.ORDER_BY_CLAUSE
 import org.sonar.plugins.plsqlopen.api.PlSqlGrammar.*
 import org.sonar.plugins.plsqlopen.api.PlSqlKeyword.*
 import org.sonar.plugins.plsqlopen.api.PlSqlPunctuator.*
 import org.sonar.plugins.plsqlopen.api.PlSqlTokenType.STRING_LITERAL
-import com.felipebz.flr.grammar.GrammarRuleKey
 
 enum class SingleRowSqlFunctionsGrammar : GrammarRuleKey {
 
@@ -54,6 +54,7 @@ enum class SingleRowSqlFunctionsGrammar : GrammarRuleKey {
     XMLTABLE_EXPRESSION,
     CAST_EXPRESSION,
     TRIM_EXPRESSION,
+    TABLE_EXPRESSION,
     SINGLE_ROW_SQL_FUNCTION;
 
     companion object {
@@ -79,7 +80,8 @@ enum class SingleRowSqlFunctionsGrammar : GrammarRuleKey {
                     XMLPI_EXPRESSION,
                     XMLTABLE_EXPRESSION,
                     CAST_EXPRESSION,
-                    TRIM_EXPRESSION)).skip()
+                    TRIM_EXPRESSION,
+                    TABLE_EXPRESSION)).skip()
         }
 
         private fun createCharacterFunctions(b: PlSqlGrammarBuilder) {
@@ -95,6 +97,11 @@ enum class SingleRowSqlFunctionsGrammar : GrammarRuleKey {
                     b.firstOf(b.sequence(MULTISET, EXPRESSION), EXPRESSION),
                     AS, DATATYPE,
                     RPARENTHESIS)
+
+            b.rule(TABLE_EXPRESSION).define(
+                TABLE, LPARENTHESIS,
+                EXPRESSION,
+                RPARENTHESIS)
         }
 
         private fun createDateFunctions(b: PlSqlGrammarBuilder) {

zpa-core/src/test/kotlin/org/sonar/plugins/plsqlopen/api/expressions/TableExpressionTest.kt

@@ -0,0 +1,40 @@
+/**
+ * Z PL/SQL Analyzer
+ * Copyright (C) 2015-2022 Felipe Zorzo
+ * mailto:felipe AT felipezorzo DOT com DOT br
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.plugins.plsqlopen.api.expressions
+
+import com.felipebz.flr.tests.Assertions.assertThat
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.sonar.plugins.plsqlopen.api.PlSqlGrammar
+import org.sonar.plugins.plsqlopen.api.RuleTest
+
+class TableExpressionTest : RuleTest() {
+
+    @BeforeEach
+    fun init() {
+        setRootRule(PlSqlGrammar.EXPRESSION)
+    }
+
+    @Test
+    fun matchesSimpleTable() {
+        assertThat(p).matches("table(foo)")
+    }
+
+}