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# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

@template
def Binary():
    '''Generic template for target binaries. Meant to be used by other
    templates.'''

    # Add -llog by default, since we use it all over the place.
    if CONFIG['OS_TARGET'] == 'Android':
        OS_LIBS += ['log']


@template
def Program(name):
    '''Template for program executables.'''
    PROGRAM = name

    Binary()


@template
def SimplePrograms(names, ext='.cpp'):
    '''Template for simple program executables.

    Those have a single source with the same base name as the executable.
    '''
    SIMPLE_PROGRAMS += names
    SOURCES += ['%s%s' % (name, ext) for name in names]

    Binary()


@template
def CppUnitTests(names, ext='.cpp'):
    '''Template for C++ unit tests.

    Those have a single source with the same base name as the executable.
    '''
    COMPILE_FLAGS['EXTRA_INCLUDES'] = ['-I%s/dist/include' % TOPOBJDIR,
                                       '-I%s/dist/include/testing' % TOPOBJDIR]
    CPP_UNIT_TESTS += names
    SOURCES += ['%s%s' % (name, ext) for name in names]

    Binary()


@template
def Library(name):
    '''Template for libraries.'''
    LIBRARY_NAME = name

@template
def AllowCompilerWarnings():
    COMPILE_FLAGS['WARNINGS_AS_ERRORS'] = []

@template
def DisableCompilerWarnings():
    COMPILE_FLAGS['WARNINGS_CFLAGS'] = []

@template
def RustLibrary(name, features=None, output_category=None):
    '''Template for Rust libraries.'''
    Library(name)

    IS_RUST_LIBRARY = True
    # Some Rust build scripts compile C/C++ sources, don't error on warnings for them.
    AllowCompilerWarnings()

    # And furthermore, don't even show warnings for them, so they don't regress
    # the Compiler Warnings build metric
    # <https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Automated_Performance_Testing_and_Sheriffing/Build_Metrics#compiler_warnings>.
    DisableCompilerWarnings()

    if features:
        RUST_LIBRARY_FEATURES = features

    if output_category:
        RUST_LIBRARY_OUTPUT_CATEGORY = output_category


@template
def SharedLibrary(name, output_category=None):
    '''Template for shared libraries.'''
    Library(name)

    FORCE_SHARED_LIB = True

    if output_category:
        SHARED_LIBRARY_OUTPUT_CATEGORY = output_category

    Binary()


@template
def Framework(name, output_category=None):
    '''Template for OSX Frameworks.'''
    SharedLibrary(name, output_category)

    IS_FRAMEWORK = True


@template
def HostProgram(name):
    '''Template for build tools executables.'''
    HOST_PROGRAM = name


@template
def HostSimplePrograms(names, ext='.cpp'):
    '''Template for simple build tools executables.

    Those have a single source with the same base name as the executable.
    '''
    HOST_SIMPLE_PROGRAMS += names
    HOST_SOURCES += ['%s%s' % (name.replace('host_', ''), ext)
        for name in names]


@template
def HostSharedLibrary(name):
    '''Template for build tools libraries.'''
    if name != 'clang-plugin':
        error('Please make sure host shared library support is complete '
              'before using for something else than the clang plugin')

    HOST_LIBRARY_NAME = name

    FORCE_SHARED_LIB = True

@template
def HostLibrary(name):
    '''Template for build tools libraries.'''
    HOST_LIBRARY_NAME = name

@template
def HostRustLibrary(name, features=None):
    '''Template for host Rust libraries.'''
    HostLibrary(name)

    IS_RUST_LIBRARY = True
    # Some Rust build scripts compile C/C++ sources, don't error on warnings for them.
    AllowCompilerWarnings()

    if features:
        HOST_RUST_LIBRARY_FEATURES = features

@template
def DisableStlWrapping():
    COMPILE_FLAGS['STL'] = []

@template
def NoVisibilityFlags():
    COMPILE_FLAGS['VISIBILITY'] = []

@template
def ForceInclude(*headers):
    """Force includes a set of header files in C++ compilations"""
    if CONFIG['CC_TYPE'] == 'clang-cl':
        include_flag = '-FI'
    else:
        include_flag = '-include'
    for header in headers:
        CXXFLAGS += [include_flag, header]

include('gecko_templates.mozbuild')
include('test_templates.mozbuild')