micro_asm_test.py revision 4509 
1# Copyright (c) 2007 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
9# notice, this list of conditions and the following disclaimer in the
10# documentation and/or other materials provided with the distribution;
11# neither the name of the copyright holders nor the names of its
12# contributors may be used to endorse or promote products derived from
13# this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# Authors: Gabe Black
28
29from micro_asm import MicroAssembler, Combinational_Macroop, Rom_Macroop, Rom
30
31class Bah(object):
32    def __init__(self):
33        self.mnemonic = "bah"
34
35class Bah_Tweaked(object):
36    def __init__(self):
37        self.mnemonic = "bah_tweaked"
38
39class Hoop(object):
40    def __init__(self, first_param, second_param):
41        self.mnemonic = "hoop_%s_%s" % (first_param, second_param)
42    def __str__(self):
43        return "%s" % self.mnemonic
44
45class Dah(object):
46    def __init__(self):
47        self.mnemonic = "dah"
48
49microops = {
50    "bah": Bah,
51    "hoop": Hoop,
52    "dah": Dah
53}
54
55class TestMacroop(Combinational_Macroop):
56    def tweak(self):
57        microops["bah"] = Bah_Tweaked
58    def untweak(self):
59        microops["bah"] = Bah
60    def print_debug(self, message):
61        print message
62
63    def __init__(self, name):
64        super(TestMacroop, self).__init__(name)
65        self.directives = {
66            "tweak": self.tweak,
67            "untweak": self.untweak,
68            "print": self.print_debug
69        }
70
71assembler = MicroAssembler(TestMacroop, microops, Rom('main ROM'), Rom_Macroop)
72
73testAssembly = '''
74# Single line comment
75
76def rom {
77    goo: bah
78    extern la: hoop 4*8, "a"
79}; /* multiline comment on one line */
80
81/* multi line comment across lines
82   to make sure they work */
83
84def macroop squishy {
85    .tweak
86    bah
87    .untweak
88    .print "In the midst"
89    bah
90    dah # single line comment after something
91    .tweak
92};
93
94#Extending the rom...
95def rom
96{
97    #Here's more stuff for the rom
98    bah
99};
100
101def macroop squashy {
102    bah
103};
104
105def macroop jumper (bar);
106'''
107assembler.assemble(testAssembly)
108