Allow : characters in symbol and keyword names and namespaces

CHANGELOG.md

@@ -8,6 +8,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
  * Types generated by `reify` may optionally be marked as `^:mutable` now to prevent `attrs.exceptions.FrozenInstanceError`s being thrown when mutating methods inherited from the supertype(s) are called (#1088)
 
+### Fixed
+ * Fix a bug where symbols and keyword containing `:` characters in the name were rejected by the reader (#1105)
+
 ## [v0.3.0]
 ### Added
  * Added support for Python 3.13 (#1056)
@@ -17,8 +20,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  * Fix an issue with `basilisp test` standard streams output that can lead to failures on MS-Windows (#1080)
  * Fix an issue where destructuring a vector would throw an exception rather than returning `nil` for invalid key types (#1090)
  * Fix an issue where destructuring default values would take precedence over falsey values in the source data structure (#1078)
- * Fixed a bug where imported Python names containing `-` (in lieu of `_`) could not be referenced using the `-` syntax (#1085)
- * Fixed a compatibility issue where `*print-length*` defaulted to 50 instead of `nil` (#1093)
+ * Fix a bug where imported Python names containing `-` (in lieu of `_`) could not be referenced using the `-` syntax (#1085)
+ * Fix a compatibility issue where `*print-length*` defaulted to 50 instead of `nil` (#1093)
 
 ### Removed
  * Removed support for Python 3.8 (#1083)

src/basilisp/lang/reader.py

@@ -55,7 +55,7 @@
 from basilisp.lang.util import munge
 from basilisp.util import Maybe, partition
 
-ns_name_chars = re.compile(r"\w|-|\+|\*|\?|/|\=|\\|!|&|%|>|<|\$|\.")
+ns_name_chars = re.compile(r"\w|-|\+|\*|\?|/|\=|\\|!|&|%|>|<|\$|:|\.")
 alphanumeric_chars = re.compile(r"\w")
 begin_num_chars = re.compile(r"[0-9\-]")
 maybe_num_chars = re.compile(r"[0-9A-Za-z/\.]")

tests/basilisp/reader_test.py

@@ -594,6 +594,7 @@ class TestKeyword:
             ("*muffs*", ":*muffs*"),
             ("yay!", ":yay!"),
             ("*'", ":*'"),
+            ("a:b", ":a:b"),
         ],
     )
     def test_legal_bare_symbol(self, v: str, raw: str):
@@ -605,6 +606,8 @@ def test_legal_bare_symbol(self, v: str, raw: str):
             ("kw", "ns", ":ns/kw"),
             ("kw", "qualified.ns", ":qualified.ns/kw"),
             ("kw", "really.qualified.ns", ":really.qualified.ns/kw"),
+            ("a:b", "ab", ":ab/a:b"),
+            ("a:b", "a:b", ":a:b/a:b"),
         ],
     )
     def test_legal_ns_symbol(self, k: str, ns: str, raw: str):
@@ -661,6 +664,7 @@ class TestSymbol:
             ".interop",
             "ns.name",
             "*'",
+            "a:b",
         ],
     )
     def test_legal_bare_symbol(self, s: str):
@@ -672,6 +676,8 @@ def test_legal_bare_symbol(self, s: str):
             ("sym", "ns", "ns/sym"),
             ("sym", "qualified.ns", "qualified.ns/sym"),
             ("sym", "really.qualified.ns", "really.qualified.ns/sym"),
+            ("sy:m", "ns", "ns/sy:m"),
+            ("sy:m", "n:s", "n:s/sy:m"),
         ],
     )
     def test_legal_ns_symbol(self, s: str, ns: str, raw: str):