add rudimentary support for PEP 695

grammars/MagicPython.cson

@@ -39,6 +39,9 @@ repository:
  {
  include: "#import"
  }
+ {
+ include: "#type-declaration"
+ }
  {
  include: "#class-declaration"
  }
@@ -1099,6 +1102,45 @@ repository:
  ]
  }
  ]
+ "type-declaration":
+ name: "meta.type.python"
+ begin: '''
+ (?x)
+ \\s*(type)\\s+
+ (?=
+ [[:alpha:]_][[:word:]]* \\s* [=\\[]
+ )
+
+ '''
+ end: "((?=[=]))"
+ beginCaptures:
+ "1":
+ name: "storage.type.type.python"
+ patterns: [
+ {
+ include: "#type-name"
+ }
+ {
+ include: "#type-parameters"
+ }
+ ]
+ "type-name":
+ patterns: [
+ {
+ include: "#illegal-object-name"
+ }
+ {
+ include: "#builtin-possible-callables"
+ }
+ {
+ name: "entity.name.type.type.python"
+ match: '''
+ (?x)
+ \\b ([[:alpha:]_]\\w*) \\b
+
+ '''
+ }
+ ]
  "class-declaration":
  patterns: [
  {
@@ -1107,7 +1149,7 @@ repository:
  (?x)
  \\s*(class)\\s+
  (?=
- [[:alpha:]_]\\w* \\s* (:|\\()
+ [[:alpha:]_]\\w* \\s* (:|[\\[(])
  )
 
  '''
@@ -1125,6 +1167,9 @@ repository:
  {
  include: "#class-inheritance"
  }
+ {
+ include: "#type-parameters"
+ }
  ]
  }
  ]
@@ -1355,7 +1400,7 @@ repository:
  \\s*
  (?:\\b(async) \\s+)? \\b(def)\\s+
  (?=
- [[:alpha:]_][[:word:]]* \\s* \\(
+ [[:alpha:]_][[:word:]]* \\s* [(\\[]
  )
 
  '''
@@ -1372,6 +1417,9 @@ repository:
  {
  include: "#function-def-name"
  }
+ {
+ include: "#type-parameters"
+ }
  {
  include: "#parameters"
  }
@@ -1399,6 +1447,67 @@ repository:
  '''
  }
  ]
+ "type-parameters":
+ name: "meta.function.parameters.type.python"
+ begin: "(\\[)"
+ end: "(\\])"
+ beginCaptures:
+ "1":
+ name: "punctuation.definition.parameters.begin.python"
+ endCaptures:
+ "1":
+ name: "punctuation.definition.parameters.end.python"
+ patterns: [
+ {
+ name: "keyword.operator.unpacking.parameter.python"
+ match: "(\\*\\*|\\*)"
+ }
+ {
+ include: "#lambda-incomplete"
+ }
+ {
+ include: "#illegal-names"
+ }
+ {
+ include: "#illegal-object-name"
+ }
+ {
+ match: '''
+ (?x)
+ ([[:alpha:]_]\\w*)
+ \\s* (?: (,) | (?=[\\]#\\n=]))
+
+ '''
+ captures:
+ "1":
+ name: "variable.parameter.function.language.python"
+ "2":
+ name: "punctuation.separator.parameters.python"
+ }
+ {
+ include: "#comments"
+ }
+ {
+ include: "#type-loose-default"
+ }
+ {
+ include: "#type-annotated-parameter"
+ }
+ ]
+ "type-loose-default":
+ begin: "(=)"
+ end: "(,)|(?=\\])"
+ beginCaptures:
+ "1":
+ name: "keyword.operator.python"
+ endCaptures:
+ "1":
+ name: "punctuation.separator.parameters.python"
+ patterns: [
+ {
+ include: "#expression"
+ }
+ ]
  parameters:
  name: "meta.function.parameters.python"
  begin: "(\\()"
@@ -1482,6 +1591,31 @@ repository:
  include: "#expression"
  }
  ]
+ "type-annotated-parameter":
+ begin: '''
+ (?x)
+ \\b
+ ([[:alpha:]_]\\w*) \\s* (:)
+
+ '''
+ end: "(,)|(?=\\])"
+ beginCaptures:
+ "1":
+ name: "variable.parameter.function.language.python"
+ "2":
+ name: "punctuation.separator.annotation.python"
+ endCaptures:
+ "1":
+ name: "punctuation.separator.parameters.python"
+ patterns: [
+ {
+ include: "#expression"
+ }
+ {
+ name: "keyword.operator.assignment.python"
+ match: "=(?!=)"
+ }
+ ]
  "annotated-parameter":
  begin: '''
  (?x)