interpolate = False
elif arg.type == "word" and arg.value == "\\":
escaped = True
elif arg.type == "word" and arg.value == "&":
interpolate = True
elif arg.type == "tuple":
new_args.append(tuple_mutator(scope, arg))
else:
new_args.append(arg)
return ASTTuple(new_args)
def template_ast(scope, args):
assert len(args) == 1, f"ast expects 1 arg, {len(args)} given"
ast = args[0]
assert ast.type == "tuple", f"ast expects first arg to be a tuple"
return ASTTemplate(tuple_mutator(scope, ast))
template_scope = Scope()
template_scope.add_natives(NATIVES)
template_scope.define("ast", template_ast)
def parse_template(template_ast):
sub_scope = Scope(parent=template_scope)
return sub_scope.execute_statement(template_ast)
tokenizer.add_consumer("open", word_consumer("("))
tokenizer.add_consumer("close", word_consumer(")"))
tokenizer.add_consumer("true", word_consumer("true"))
tokenizer.add_consumer("false", word_consumer("false"))
tokenizer.add_consumer("null", word_consumer("null"))
tokenizer.add_consumer(
"word",
regex_consumer(
r"^(?:[a-zA-Z$_][a-zA-Z$_0-9]*|[!£%^&*-+=\[\]\{\}@'#~,<.>/?\\])"))
tokenizer.add_consumer("int", regex_consumer(r"^[0-9]+"))
tokenizer.add_consumer("float", regex_consumer(r"^[0-9]+\.[0-9]+"))
tokenizer.add_consumer("string", regex_consumer(r"^\"(?:[^\"\\]|\\.)*\""))
tokenizer.add_consumer("whitespace", regex_consumer(r"^\s+"))
global_scope = Scope()
global_scope.add_natives(NATIVES)
def filter_tokens(tokens):
new_tokens = []
for token in tokens:
if token.name == "whitespace":
continue
elif token.name == "escaped_char":
token = token.copy(name="word", content=token.content[1:])
new_tokens.append(token)
return new_tokens
def compile(content):
tokens = filter_tokens(tokenizer.consume_all(content))