import pathlib
import subprocess
from errors.error import messages

def assemble_to_obj(asm_name, obj_name):
    """Assemble the given assembly file into an object file."""
    try:
        subprocess.check_call(["as", "-64", "-o", obj_name, asm_name])
        return True
    except subprocess.CalledProcessError:
        err = "assembler returned non-zero status"
        messages.add(err)
        return False


def link(binary_name, obj_names):
    """Assemble the given object files into a binary."""

    try:
        crtnum = find_crtnum()
        if not crtnum: return

        crti = find_library_or_err("crti.o")
        if not crti: return

        linux_so = find_library_or_err("ld-linux-x86-64.so.2")
        if not linux_so: return

        crtn = find_library_or_err("crtn.o")
        if not crtn: return

        # find files to link
        subprocess.check_call(
            ["ld", "-dynamic-linker", linux_so, crtnum, crti, "-lc"]
            + obj_names + [crtn, "-o", binary_name])

        return True

    except subprocess.CalledProcessError:
        return False


def find_crtnum():
    """Search for the crt0, crt1, or crt2.o files on the system.

    If one is found, return its path. Else, add an error to the
    error_collector and return None.
    """
    for file in ["crt2.o", "crt1.o", "crt0.o"]:
        crt = find_library(file)
        if crt: return crt

    err = "could not find crt0.o, crt1.o, or crt2.o for linking"
    messages.add(err)
    return None


def find_library_or_err(file):
    """Search the given library file and return path if found.

    If not found, add an error to the error collector and return None.
    """
    path = find_library(file)
    if not path:
        err = f"could not find {file}"
        messages.add(err)
        return None
    else:
        return path


def find_library(file):
    """Search the given library file by searching in common directories.

    If found, returns the path. Otherwise, returns None.
    """
    search_paths = [pathlib.Path("/usr/local/lib/x86_64-linux-gnu"),
                    pathlib.Path("/lib/x86_64-linux-gnu"),
                    pathlib.Path("/usr/lib/x86_64-linux-gnu"),
                    pathlib.Path("/usr/local/lib64"),
                    pathlib.Path("/lib64"),
                    pathlib.Path("/usr/lib64"),
                    pathlib.Path("/usr/local/lib"),
                    pathlib.Path("/lib"),
                    pathlib.Path("/usr/lib"),
                    pathlib.Path("/usr/x86_64-linux-gnu/lib64"),
                    pathlib.Path("/usr/x86_64-linux-gnu/lib")]

    for path in search_paths:
        full = path.joinpath(file)
        if full.is_file():
            return str(full)
    return None
a372edf6d9e565df02aec5a24a3cf9383d4bfa47
<mask token>


def assemble_to_obj(asm_name, obj_name):
    """Assemble the given assembly file into an object file."""
    try:
        subprocess.check_call(['as', '-64', '-o', obj_name, asm_name])
        return True
    except subprocess.CalledProcessError:
        err = 'assembler returned non-zero status'
        messages.add(err)
        return False


<mask token>


def find_library_or_err(file):
    """Search the given library file and return path if found.

    If not found, add an error to the error collector and return None.
    """
    path = find_library(file)
    if not path:
        err = f'could not find {file}'
        messages.add(err)
        return None
    else:
        return path


<mask token>

<mask token>


def assemble_to_obj(asm_name, obj_name):
    """Assemble the given assembly file into an object file."""
    try:
        subprocess.check_call(['as', '-64', '-o', obj_name, asm_name])
        return True
    except subprocess.CalledProcessError:
        err = 'assembler returned non-zero status'
        messages.add(err)
        return False


def link(binary_name, obj_names):
    """Assemble the given object files into a binary."""
    try:
        crtnum = find_crtnum()
        if not crtnum:
            return
        crti = find_library_or_err('crti.o')
        if not crti:
            return
        linux_so = find_library_or_err('ld-linux-x86-64.so.2')
        if not linux_so:
            return
        crtn = find_library_or_err('crtn.o')
        if not crtn:
            return
        subprocess.check_call(['ld', '-dynamic-linker', linux_so, crtnum,
            crti, '-lc'] + obj_names + [crtn, '-o', binary_name])
        return True
    except subprocess.CalledProcessError:
        return False


def find_crtnum():
    """Search for the crt0, crt1, or crt2.o files on the system.

    If one is found, return its path. Else, add an error to the
    error_collector and return None.
    """
    for file in ['crt2.o', 'crt1.o', 'crt0.o']:
        crt = find_library(file)
        if crt:
            return crt
    err = 'could not find crt0.o, crt1.o, or crt2.o for linking'
    messages.add(err)
    return None


def find_library_or_err(file):
    """Search the given library file and return path if found.

    If not found, add an error to the error collector and return None.
    """
    path = find_library(file)
    if not path:
        err = f'could not find {file}'
        messages.add(err)
        return None
    else:
        return path


<mask token>

<mask token>


def assemble_to_obj(asm_name, obj_name):
    """Assemble the given assembly file into an object file."""
    try:
        subprocess.check_call(['as', '-64', '-o', obj_name, asm_name])
        return True
    except subprocess.CalledProcessError:
        err = 'assembler returned non-zero status'
        messages.add(err)
        return False


def link(binary_name, obj_names):
    """Assemble the given object files into a binary."""
    try:
        crtnum = find_crtnum()
        if not crtnum:
            return
        crti = find_library_or_err('crti.o')
        if not crti:
            return
        linux_so = find_library_or_err('ld-linux-x86-64.so.2')
        if not linux_so:
            return
        crtn = find_library_or_err('crtn.o')
        if not crtn:
            return
        subprocess.check_call(['ld', '-dynamic-linker', linux_so, crtnum,
            crti, '-lc'] + obj_names + [crtn, '-o', binary_name])
        return True
    except subprocess.CalledProcessError:
        return False


def find_crtnum():
    """Search for the crt0, crt1, or crt2.o files on the system.

    If one is found, return its path. Else, add an error to the
    error_collector and return None.
    """
    for file in ['crt2.o', 'crt1.o', 'crt0.o']:
        crt = find_library(file)
        if crt:
            return crt
    err = 'could not find crt0.o, crt1.o, or crt2.o for linking'
    messages.add(err)
    return None


def find_library_or_err(file):
    """Search the given library file and return path if found.

    If not found, add an error to the error collector and return None.
    """
    path = find_library(file)
    if not path:
        err = f'could not find {file}'
        messages.add(err)
        return None
    else:
        return path


def find_library(file):
    """Search the given library file by searching in common directories.

    If found, returns the path. Otherwise, returns None.
    """
    search_paths = [pathlib.Path('/usr/local/lib/x86_64-linux-gnu'),
        pathlib.Path('/lib/x86_64-linux-gnu'), pathlib.Path(
        '/usr/lib/x86_64-linux-gnu'), pathlib.Path('/usr/local/lib64'),
        pathlib.Path('/lib64'), pathlib.Path('/usr/lib64'), pathlib.Path(
        '/usr/local/lib'), pathlib.Path('/lib'), pathlib.Path('/usr/lib'),
        pathlib.Path('/usr/x86_64-linux-gnu/lib64'), pathlib.Path(
        '/usr/x86_64-linux-gnu/lib')]
    for path in search_paths:
        full = path.joinpath(file)
        if full.is_file():
            return str(full)
    return None

import pathlib
import subprocess
from errors.error import messages


def assemble_to_obj(asm_name, obj_name):
    """Assemble the given assembly file into an object file."""
    try:
        subprocess.check_call(['as', '-64', '-o', obj_name, asm_name])
        return True
    except subprocess.CalledProcessError:
        err = 'assembler returned non-zero status'
        messages.add(err)
        return False


def link(binary_name, obj_names):
    """Assemble the given object files into a binary."""
    try:
        crtnum = find_crtnum()
        if not crtnum:
            return
        crti = find_library_or_err('crti.o')
        if not crti:
            return
        linux_so = find_library_or_err('ld-linux-x86-64.so.2')
        if not linux_so:
            return
        crtn = find_library_or_err('crtn.o')
        if not crtn:
            return
        subprocess.check_call(['ld', '-dynamic-linker', linux_so, crtnum,
            crti, '-lc'] + obj_names + [crtn, '-o', binary_name])
        return True
    except subprocess.CalledProcessError:
        return False


def find_crtnum():
    """Search for the crt0, crt1, or crt2.o files on the system.

    If one is found, return its path. Else, add an error to the
    error_collector and return None.
    """
    for file in ['crt2.o', 'crt1.o', 'crt0.o']:
        crt = find_library(file)
        if crt:
            return crt
    err = 'could not find crt0.o, crt1.o, or crt2.o for linking'
    messages.add(err)
    return None


def find_library_or_err(file):
    """Search the given library file and return path if found.

    If not found, add an error to the error collector and return None.
    """
    path = find_library(file)
    if not path:
        err = f'could not find {file}'
        messages.add(err)
        return None
    else:
        return path


def find_library(file):
    """Search the given library file by searching in common directories.

    If found, returns the path. Otherwise, returns None.
    """
    search_paths = [pathlib.Path('/usr/local/lib/x86_64-linux-gnu'),
        pathlib.Path('/lib/x86_64-linux-gnu'), pathlib.Path(
        '/usr/lib/x86_64-linux-gnu'), pathlib.Path('/usr/local/lib64'),
        pathlib.Path('/lib64'), pathlib.Path('/usr/lib64'), pathlib.Path(
        '/usr/local/lib'), pathlib.Path('/lib'), pathlib.Path('/usr/lib'),
        pathlib.Path('/usr/x86_64-linux-gnu/lib64'), pathlib.Path(
        '/usr/x86_64-linux-gnu/lib')]
    for path in search_paths:
        full = path.joinpath(file)
        if full.is_file():
            return str(full)
    return None

import pathlib
import subprocess
from errors.error import messages

def assemble_to_obj(asm_name, obj_name):
    """Assemble the given assembly file into an object file."""
    try:
        subprocess.check_call(["as", "-64", "-o", obj_name, asm_name])
        return True
    except subprocess.CalledProcessError:
        err = "assembler returned non-zero status"
        messages.add(err)
        return False


def link(binary_name, obj_names):
    """Assemble the given object files into a binary."""

    try:
        crtnum = find_crtnum()
        if not crtnum: return

        crti = find_library_or_err("crti.o")
        if not crti: return

        linux_so = find_library_or_err("ld-linux-x86-64.so.2")
        if not linux_so: return

        crtn = find_library_or_err("crtn.o")
        if not crtn: return

        # find files to link
        subprocess.check_call(
            ["ld", "-dynamic-linker", linux_so, crtnum, crti, "-lc"]
            + obj_names + [crtn, "-o", binary_name])

        return True

    except subprocess.CalledProcessError:
        return False


def find_crtnum():
    """Search for the crt0, crt1, or crt2.o files on the system.

    If one is found, return its path. Else, add an error to the
    error_collector and return None.
    """
    for file in ["crt2.o", "crt1.o", "crt0.o"]:
        crt = find_library(file)
        if crt: return crt

    err = "could not find crt0.o, crt1.o, or crt2.o for linking"
    messages.add(err)
    return None


def find_library_or_err(file):
    """Search the given library file and return path if found.

    If not found, add an error to the error collector and return None.
    """
    path = find_library(file)
    if not path:
        err = f"could not find {file}"
        messages.add(err)
        return None
    else:
        return path


def find_library(file):
    """Search the given library file by searching in common directories.

    If found, returns the path. Otherwise, returns None.
    """
    search_paths = [pathlib.Path("/usr/local/lib/x86_64-linux-gnu"),
                    pathlib.Path("/lib/x86_64-linux-gnu"),
                    pathlib.Path("/usr/lib/x86_64-linux-gnu"),
                    pathlib.Path("/usr/local/lib64"),
                    pathlib.Path("/lib64"),
                    pathlib.Path("/usr/lib64"),
                    pathlib.Path("/usr/local/lib"),
                    pathlib.Path("/lib"),
                    pathlib.Path("/usr/lib"),
                    pathlib.Path("/usr/x86_64-linux-gnu/lib64"),
                    pathlib.Path("/usr/x86_64-linux-gnu/lib")]

    for path in search_paths:
        full = path.joinpath(file)
        if full.is_file():
            return str(full)
    return None