Fix terraform definitions regex

Author: ahornace

opengrok-indexer/src/main/java/org/opengrok/indexer/analysis/Ctags.java

@@ -455,8 +455,8 @@ private void addTerraformSupport(List<String> command) {
          */
         command.add("--kinddef-terraform=s,struct,Resource\\ names");
         command.add("--regex-terraform=" +
-                "/[[:<:]]resource[[:space:]]*\"([[:alpha:]][-_[:alpha:]]*)\"[[:space:]]*" +
-                "\"([[:alpha:]][-_[:alpha:]]*)\"[[:space:]]*\\{/" +
+                "/^[[:space:]]*resource[[:space:]]*\\\"([[:alpha:]][-_[:alpha:]]*)\\\"[[:space:]]*" +
+                "\\\"([[:alpha:]][-_[:alpha:]]*)\\\"[[:space:]]*\\{/" +
                 "\\1.\\2/s/");
     }
 

opengrok-indexer/src/test/java/org/opengrok/indexer/analysis/CtagsTest.java

@@ -30,6 +30,7 @@
 import org.junit.jupiter.api.Test;
 import org.opengrok.indexer.util.TestRepository;
 
+import static org.junit.jupiter.api.Assertions.assertAll;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -136,4 +137,13 @@ void bug19195() throws Exception {
         }
         assertEquals(names.length, count, "function count");
     }
+
+    @Test
+    void testTfTags() throws Exception {
+        var defs = getDefs("terraform/test.tf");
+        assertAll(
+                () -> assertEquals(1, defs.getTags().size()),
+                () -> assertEquals("oci_core_vcn.test_vcn", defs.getTags().get(0).symbol)
+        );
+    }
 }

opengrok-indexer/src/test/resources/sources/terraform/test.tf

@@ -0,0 +1,13 @@
+resource "oci_core_vcn" "test_vcn" {
+  #Required
+  compartment_id = var.compartment_id
+
+  #Optional
+  cidr_block = var.vcn_cidr_block
+  cidr_blocks = var.vcn_cidr_blocks
+  defined_tags = {"Operations.CostCenter"= "42"}
+  display_name = var.vcn_display_name
+  dns_label = var.vcn_dns_label
+  freeform_tags = {"Department"= "Finance"}
+  is_ipv6enabled = var.vcn_is_ipv6enabled
+}