113 if parent in reachable: |
113 if parent in reachable: |
114 reached(rev) |
114 reached(rev) |
115 return baseset(sorted(reachable)) |
115 return baseset(sorted(reachable)) |
116 |
116 |
117 elements = { |
117 elements = { |
118 # token-type: binding-strength, prefix, infix, suffix |
118 # token-type: binding-strength, primary, prefix, infix, suffix |
119 "(": (21, ("group", 1, ")"), ("func", 1, ")"), None), |
119 "(": (21, None, ("group", 1, ")"), ("func", 1, ")"), None), |
120 "##": (20, None, ("_concat", 20), None), |
120 "##": (20, None, None, ("_concat", 20), None), |
121 "~": (18, None, ("ancestor", 18), None), |
121 "~": (18, None, None, ("ancestor", 18), None), |
122 "^": (18, None, ("parent", 18), ("parentpost", 18)), |
122 "^": (18, None, None, ("parent", 18), ("parentpost", 18)), |
123 "-": (5, ("negate", 19), ("minus", 5), None), |
123 "-": (5, None, ("negate", 19), ("minus", 5), None), |
124 "::": (17, ("dagrangepre", 17), ("dagrange", 17), |
124 "::": (17, None, ("dagrangepre", 17), ("dagrange", 17), |
125 ("dagrangepost", 17)), |
125 ("dagrangepost", 17)), |
126 "..": (17, ("dagrangepre", 17), ("dagrange", 17), |
126 "..": (17, None, ("dagrangepre", 17), ("dagrange", 17), |
127 ("dagrangepost", 17)), |
127 ("dagrangepost", 17)), |
128 ":": (15, ("rangepre", 15), ("range", 15), ("rangepost", 15)), |
128 ":": (15, None, ("rangepre", 15), ("range", 15), ("rangepost", 15)), |
129 "not": (10, ("not", 10), None, None), |
129 "not": (10, None, ("not", 10), None, None), |
130 "!": (10, ("not", 10), None, None), |
130 "!": (10, None, ("not", 10), None, None), |
131 "and": (5, None, ("and", 5), None), |
131 "and": (5, None, None, ("and", 5), None), |
132 "&": (5, None, ("and", 5), None), |
132 "&": (5, None, None, ("and", 5), None), |
133 "%": (5, None, ("only", 5), ("onlypost", 5)), |
133 "%": (5, None, None, ("only", 5), ("onlypost", 5)), |
134 "or": (4, None, ("or", 4), None), |
134 "or": (4, None, None, ("or", 4), None), |
135 "|": (4, None, ("or", 4), None), |
135 "|": (4, None, None, ("or", 4), None), |
136 "+": (4, None, ("or", 4), None), |
136 "+": (4, None, None, ("or", 4), None), |
137 "=": (3, None, ("keyvalue", 3), None), |
137 "=": (3, None, None, ("keyvalue", 3), None), |
138 ",": (2, None, ("list", 2), None), |
138 ",": (2, None, None, ("list", 2), None), |
139 ")": (0, None, None, None), |
139 ")": (0, None, None, None, None), |
140 "symbol": (0, ("symbol",), None, None), |
140 "symbol": (0, "symbol", None, None, None), |
141 "string": (0, ("string",), None, None), |
141 "string": (0, "string", None, None, None), |
142 "end": (0, None, None, None), |
142 "end": (0, None, None, None, None), |
143 } |
143 } |
144 |
144 |
145 keywords = set(['and', 'or', 'not']) |
145 keywords = set(['and', 'or', 'not']) |
146 |
146 |
147 # default set of valid characters for the initial letter of symbols |
147 # default set of valid characters for the initial letter of symbols |