# Copyright (C) 2024 olang mantainers
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

extern fn putchar(c: u32): u32

fn main(): u32 {
  return putchar(111)
}

# XTEST test_compile(exit_code=0)
#
# XTEST test_run_binary(exit_code=0)
#
# XTEST test_ast WITH
# Translation_Unit
# |-Function_Definition <name:putchar> <return:u32> <extern>
# | `-Param_Definition <name:c> <type:u32>
# `-Function_Definition <name:main> <return:u32>
#   `-Block
#     `-Return_Statement
#       `-Function_Call <name:putchar>
#         `-Literal <kind:u32> <value:111>
# END
#
# TEST test_contains_tokens WITH
# ./0037_variable_overflow.ol:16:1: <extern>
# END