feat(package): hemar: tree sitter grammar

package/hemar/grammar/tree-sitter/test/corpus/basic.txt

@@ -0,0 +1,114 @@
+==================
+simple tag
+==================
+{[hello]}
+---
+(source_file
+  (element
+    (interpolation
+      (path
+        (string)))))
+==================
+text + tag
+==================
+foo {[bar]} baz
+---
+(source_file
+  (element 
+    (text))
+  (element
+    (interpolation
+      (path
+        (string))))
+  (element 
+    (text)))
+
+==================
+text + tag with quoted string
+==================
+foo {[".\]"]} foo {[""""]} baz
+---
+(source_file
+  (element 
+    (text))
+  (element
+    (interpolation
+      (path
+        (string))))
+  (element 
+    (text))
+  (element
+    (interpolation
+      (path
+        (string))))
+  (element 
+    (text)))
+
+==================
+quoted dote path vs root path
+==================
+{["."]} {[.]}
+---
+(source_file
+  (element
+    (interpolation
+      (path 
+        (string
+          ))))
+  (element
+    (interpolation
+      (path))))
+==================
+long path
+==================
+{["key".subkey."subsubkey"]}
+---
+(source_file
+  (element
+    (interpolation
+      (path 
+        (string)
+        (string)
+        (string)))))
+==================
+segment error
+==================
+{[ for i in key ]}
+---
+(source_file
+  (ERROR
+    (for 
+      (string)
+      (path
+        (string)))))
+==================
+segment
+==================
+{[ for i in key ]}
+{[ done ]}
+---
+(source_file
+  (element
+    (segment
+      (for 
+        (string)
+        (path
+          (string)))
+      (done))))
+==================
+segment with text
+==================
+{[ for i in key ]}
+  foo bar baz
+{[ done ]}
+---
+(source_file
+  (element
+    (segment
+      (for 
+        (string)
+        (path
+          (string)))
+	(element
+          (text))
+      (done))))