feat(grammar): Support JSON_OBJECT (#182)

zpa-checks/src/integrationTest/resources/expected/oracle-database_19/ParsingErrorCheck.json

@@ -2153,9 +2153,6 @@
   "Interval-Expressions-0.sql" : [
     2
   ],
-  "JSON_ARRAY-0.sql" : [
-    3
-  ],
   "JSON_OBJECTAGG-0.sql" : [
     2
   ],

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

@@ -279,9 +279,11 @@ enum class PlSqlKeyword(override val value: String, val isReserved: Boolean = fa
     JSON_ARRAY("json_array"),
     JSON_ARRAYAGG("json_arrayagg"),
     JSON_MERGEPATCH("json_mergepatch"),
+    JSON_OBJECT("json_object"),
     JSON_QUERY("json_query"),
     KEEP("keep"),
     KEY("key"),
+    KEYS("keys"),
     LANGUAGE("language"),
     LAST("last"),
     LAX("lax"),

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

@@ -36,6 +36,7 @@ enum class SingleRowSqlFunctionsGrammar : GrammarRuleKey {
     JSON_ARRAY_ENUMERATION_CONTENT,
     JSON_ARRAY_QUERY_CONTENT,
     JSON_ARRAY_ELEMENT,
+    JSON_OBJECT_ENTRY,
     JSON_QUERY_RETURNING_CLAUSE,
     JSON_QUERY_WRAPPER_CLAUSE,
     JSON_QUERY_QUOTES_CLAUSE,
@@ -54,6 +55,7 @@ enum class SingleRowSqlFunctionsGrammar : GrammarRuleKey {
     JSON_CONSTRUCTOR,
     JSON_ARRAY_EXPRESSION,
     JSON_MERGEPATCH_EXPRESSION,
+    JSON_OBJECT_EXPRESSION,
     JSON_QUERY_EXPRESSION,
     XMLATTRIBUTES_EXPRESSION,
     XMLELEMENT_EXPRESSION,
@@ -90,6 +92,7 @@ enum class SingleRowSqlFunctionsGrammar : GrammarRuleKey {
                     JSON_CONSTRUCTOR,
                     JSON_ARRAY_EXPRESSION,
                     JSON_MERGEPATCH_EXPRESSION,
+                    JSON_OBJECT_EXPRESSION,
                     JSON_QUERY_EXPRESSION,
                     XMLATTRIBUTES_EXPRESSION,
                     XMLELEMENT_EXPRESSION,
@@ -331,6 +334,26 @@ enum class SingleRowSqlFunctionsGrammar : GrammarRuleKey {
                 b.optional(STRICT)
             )
 
+            b.rule(JSON_OBJECT_EXPRESSION).define(
+                JSON_OBJECT,
+                LPARENTHESIS,
+                JSON_OBJECT_ENTRY, b.zeroOrMore(COMMA, JSON_OBJECT_ENTRY),
+                b.optional(JSON_ON_NULL_CLAUSE),
+                b.optional(JSON_RETURNING_CLAUSE),
+                b.optional(STRICT),
+                b.optional(WITH, UNIQUE, KEYS),
+                RPARENTHESIS
+            )
+
+            b.rule(JSON_OBJECT_ENTRY).define(
+                b.firstOf(
+                    b.sequence(b.optional(KEY), EXPRESSION, VALUE, EXPRESSION),
+                    b.sequence(STRING_LITERAL, COLON, EXPRESSION),
+                    EXPRESSION
+                ),
+                b.optional(FORMAT, JSON)
+            )
+
             b.rule(JSON_QUERY_EXPRESSION).define(
                 JSON_QUERY,
                 LPARENTHESIS,

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

@@ -0,0 +1,79 @@
+/**
+ * Z PL/SQL Analyzer
+ * Copyright (C) 2015-2024 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 JsonObjectExpressionTest : RuleTest() {
+
+    @BeforeEach
+    fun init() {
+        setRootRule(PlSqlGrammar.EXPRESSION)
+    }
+
+    @Test
+    fun matchesSimpleJsonObject() {
+        assertThat(p).matches("json_object(foo)")
+    }
+
+    @Test
+    fun matchesJsonObjectWithKey() {
+        assertThat(p).matches("json_object(k value 'v')")
+    }
+
+    @Test
+    fun matchesJsonObjectWithExplicitKey() {
+        assertThat(p).matches("json_object(key k value 'v')")
+    }
+
+    @Test
+    fun matchesJsonObjectWithStringKeys() {
+        assertThat(p).matches("json_object('k': 'v')")
+    }
+
+    @Test
+    fun matchesJsonObjectWithFormatJson() {
+        assertThat(p).matches("json_object('k': '{}' format json)")
+    }
+
+    @Test
+    fun matchesJsonObjectWithReturning() {
+        assertThat(p).matches("json_object(foo returning clob)")
+    }
+
+    @Test
+    fun matchesJsonObjectWithAbsentOnNull() {
+        assertThat(p).matches("json_object(* absent on null)")
+    }
+
+    @Test
+    fun matchesLongJsonObject() {
+        assertThat(p).matches("""json_object('k' value 'v',
+            'a': '{}' format json
+            null on null
+            returning varchar2(200)
+            strict with unique keys)""")
+    }
+
+}