# Timewarrior grammar definition.

# Conventions:
# - Literals are always double-quoted.
# - "*", "+" and "?" suffixes have POSIX semantics.
# - "є" means empty set.
# - Lower-level primitives are barewords.
# - Literal modifiers:
#   - :a  Accept abbreviations
#   - :i  Accept caseless match
# - Blank line between rules.

# Left associative:
#  A -> A <op> B
#       B
#
# Right associative:
#  A -> B <op> A
#       B

cli: "start":ai
     "stop":ai
     "track":ai
     help               # Non-terminal, cannot contain є.
     є


help: "help":ai topic
      "help":ai

topic: "usage":ai
       "dates":ai
       "times":ai