#!/usr/bin/env python
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Test that SCons supports use of a home-brew ToolSurrogate class
like we use in our bin/sconsexamples.py script.
"""

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """\
class Curry:
    def __init__(self, fun, *args, **kwargs):
        self.fun = fun
        self.pending = args[:]
        self.kwargs = kwargs.copy()

    def __call__(self, *args, **kwargs):
        if kwargs and self.kwargs:
            kw = self.kwargs.copy()
            kw.update(kwargs)
        else:
            kw = kwargs or self.kwargs

        return self.fun(*self.pending + args, **kw)

def Str(target, source, env, cmd=""):
    result = []
    for cmd in env.subst_list(cmd, target=target, source=source):
        result.append(" ".join(map(str, cmd)))
    return '\\n'.join(result)

class ToolSurrogate:
    def __init__(self, tool, variable, func):
        self.tool = tool
        self.variable = variable
        self.func = func
    def __call__(self, env):
        t = Tool(self.tool)
        t.generate(env)
        orig = env[self.variable]
        env[self.variable] = Action(self.func, strfunction=Curry(Str, cmd=orig))

def Cat(target, source, env):
    target = str(target[0])
    with open(target, "wb") as ofp:
        for src in map(str, source):
            with open(src, "rb") as ifp:
                ofp.write(ifp.read())

ToolList = {
    'posix' :   [('cc', 'CCCOM', Cat),
                 ('link', 'LINKCOM', Cat)],
    'win32' :   [('msvc', 'CCCOM', Cat),
                 ('mslink', 'LINKCOM', Cat)]
}

platform = ARGUMENTS['platform']
tools = [ToolSurrogate(*t) for t in ToolList[platform]]

env = Environment(tools=tools, PROGSUFFIX='.exe', OBJSUFFIX='.obj')
env.Program('foo.c')
""")

test.write('foo.c', "foo.c posix\n")

test.run(arguments = '. platform=posix', stdout = test.wrap_stdout("""\
cc -o foo.obj -c foo.c
cc -o foo.exe foo.obj
"""))

test.write('foo.c', "foo.c win32\n")

test.run(arguments = '. platform=win32', stdout = test.wrap_stdout("""\
cl /Fofoo.obj /c foo.c /nologo
link /nologo /OUT:foo.exe foo.obj
embedManifestExeCheck(target, source, env)
"""))

test.pass_test()

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