def FunCall():
fname = yield ps.token(TOKEN.IDENTIFIER)
yield ps.token(TOKEN.PAR_OPEN)
found_args = yield ps.times(ActArgs, 0, 1)
found_args = found_args[0] if len(found_args) > 0 else []
yield ps.token(TOKEN.PAR_CLOSE)
return AST.FUNCALL(id=fname, kind=FunKind.FUNC, args=found_args)
def PrefixOpExp():
op = yield ps.token(TOKEN.OP_IDENTIFIER)
exp = yield ConvExp
return AST.FUNCALL(kind=FunKind.PREFIX,
id=op,
args=[AST.DEFERREDEXPR(contents=[exp])])
AST.STMT(val=AST.RETURN(expr=None)),
AST.LOOP(
init=AST.ACTSTMT(val=AST.ASSIGNMENT(
varref=AST.VARREF(id=Token(None, TOKEN.IDENTIFIER,
"x"),
fields=[]),
expr=AST.DEFERREDEXPR(
contents=[Token(None, TOKEN.IDENTIFIER, "x")
]))),
cond=AST.DEFERREDEXPR(contents=[
Token(None, TOKEN.IDENTIFIER, "x"),
Token(None, TOKEN.OP_IDENTIFIER, "=="),
Token(None, TOKEN.IDENTIFIER, "y")
]),
update=AST.FUNCALL(id=Token(None, TOKEN.IDENTIFIER,
"f"),
kind=FunKind.FUNC,
args=[]),
stmts=[
AST.STMT(
val=AST.RETURN(expr=None)),
AST.STMT(val=AST.IFELSE(condbranches=[
AST.CONDBRANCH(expr=AST.DEFERREDEXPR(contents=[
Token(None, TOKEN.IDENTIFIER, "x"),
Token(None, TOKEN.OP_IDENTIFIER, "=="),
Token(None, TOKEN.IDENTIFIER, "y")
]),
stmts=[
AST.STMT(val=AST.RETURN(
expr=None))
]),
AST.CONDBRANCH(expr=AST.DEFERREDEXPR(contents=[