Function compile_fun_shell

bootloader/waflib/Task.py:644–721

(line)

def compile_fun_shell(line):
    extr = []

    def repl(match):
        g = match.group
        if g('dollar'):
            return "$"
        elif g('backslash'):
            return '\\\\'
        elif g('subst'):
            extr.append((g('var'), g('code')))
            return "%s"
        return None

    line = reg_act.sub(repl, line) or line
    dvars = []

    def add_dvar(x):
        if x not in dvars:
            dvars.append(x)

    def replc(m):
        if m.group('and'):
            return ' and '
        elif m.group('or'):
            return ' or '
        else:
            x = m.group('var')
            add_dvar(x)
            return 'env[%r]' % x

    parm = []
    app = parm.append
    for (var, meth) in extr:
        if var == 'SRC':
            if meth:
                app('tsk.inputs%s' % meth)
            else:
                app('" ".join([a.path_from(cwdx) for a in tsk.inputs])')
        elif var == 'TGT':
            if meth:
                app('tsk.outputs%s' % meth)
            else:
                app('" ".join([a.path_from(cwdx) for a in tsk.outputs])')
        elif meth:
            if meth.startswith(':'):
                add_dvar(var)
                m = meth[1:]
                if m == 'SRC':
                    m = '[a.path_from(cwdx) for a in tsk.inputs]'
                elif m == 'TGT':
                    m = '[a.path_from(cwdx) for a in tsk.outputs]'
                elif re_novar.match(m):
                    m = '[tsk.inputs%s]' % m[3:]
                elif re_novar.match(m):
                    m = '[tsk.outputs%s]' % m[3:]
                else:
                    add_dvar(m)