mirror of
https://github.com/AdaCore/uwrap.git
synced 2026-02-12 13:06:34 -08:00
f45281cb7a
A consequence is that matcher on language entity types are now case sensitive (updated baseline accordingly).
37 lines
884 B
Python
37 lines
884 B
Python
from langkit.dsl import ASTNode, abstract, Field
|
|
from langkit.parsers import Grammar, List, Pick, Or, Opt, Null
|
|
from language.lexer import *
|
|
|
|
@abstract
|
|
class TestNode(ASTNode):
|
|
pass
|
|
|
|
@abstract
|
|
class NamedEntity (TestNode):
|
|
name = Field()
|
|
|
|
class Entity(NamedEntity):
|
|
nested = Field()
|
|
|
|
class Call(NamedEntity):
|
|
args = Field()
|
|
nested = Field()
|
|
|
|
class Identifier(TestNode):
|
|
token_node = True
|
|
|
|
class Number(TestNode):
|
|
token_node = True
|
|
|
|
test_grammar = Grammar('main_rule')
|
|
G = test_grammar
|
|
|
|
test_grammar.add_rules(
|
|
main_rule=G.entity_list,
|
|
entity_list=List (Or (G.call, G.entity, G.number), sep=',', empty_valid=True),
|
|
entity=Entity (G.identifier, Opt ('{', G.entity_list, '}')),
|
|
call=Call (G.identifier, '(', G.entity_list, ')', Opt ('{', G.entity_list, '}')),
|
|
identifier=Identifier(Token.Identifier),
|
|
number=Number(Token.Integer)
|
|
)
|