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Nikolaj Gade
2024-02-23 15:00:52 +01:00
parent f394a9cde2
commit 1a793bebe7
9 changed files with 114 additions and 10 deletions
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9
plthy_impl/parser.py
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@ -8,12 +8,12 @@ class Parser():
self.pg = ParserGenerator(
[i[0] for i in ALL_TOKENS],
precedence=[
('left', ["KEYWORD_SET", "SYMBOL_SET", "KEYWORD_IF", "KEYWORD_MAYBE", "KEYWORD_RETURN"]),
('left', ["KEYWORD_SET","KEYWORD_IF", "KEYWORD_MAYBE", "KEYWORD_RETURN"]),
('left', [ "KEYWORD_BECAUSE", "KEYWORD_UNTIL", "KEYWORD_DEFINE", "KEYWORD_AS"]),
('left', ["KEYWORD_DO", "BUILTIN"]),
('left', ["SYMBOL_EQUALS", "SYMBOL_LT","SYMBOL_GT"]),
('left', ["SYMBOL_PLUS", "SYMBOL_MINUS", "SYMBOL_OR", "SYMBOL_AND"]),
('left', ["SYMBOL_TIMES", "SYMBOL_DIVIDE", "SYMBOL_TILDE"])
('left', ["SYMBOL_LCURL", "SYMBOL_TIMES", "SYMBOL_DIVIDE", "SYMBOL_TILDE", "SYMBOL_MOD", "ID"])
]
)
@ -78,9 +78,9 @@ class Parser():
def command_until(tokens):
return ast_nodes.CommandUntil(tokens[0],tokens[2])
@self.pg.production('command : BUILTIN SYMBOL_LT expressions SYMBOL_GT')
@self.pg.production('command : BUILTIN expressions SYMBOL_GT')
def command_builtin(tokens):
return ast_nodes.Builtin(tokens[0], tokens[2])
return ast_nodes.Builtin(tokens[0], tokens[1])
@self.pg.production('command : SYMBOL_QUOTE ID SYMBOL_QUOTE SYMBOL_LT expressions SYMBOL_GT')
def command_call(tokens):
@ -129,6 +129,7 @@ class Parser():
@self.pg.production('expression : expression SYMBOL_EQUALS expression')
@self.pg.production('expression : expression SYMBOL_LT expression')
@self.pg.production('expression : expression SYMBOL_GT expression')
@self.pg.production('expression : expression SYMBOL_MOD expression')
def exp_a_binop(tokens):
return ast_nodes.ExpABinop(tokens[1].value,tokens[0],tokens[2])