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 __future__ import print_function
30
31from micro_asm import MicroAssembler, Combinational_Macroop, Rom_Macroop, Rom
32
33class Bah(object):
34    def __init__(self):
35        self.mnemonic = "bah"
36
37class Bah_Tweaked(object):
38    def __init__(self):
39        self.mnemonic = "bah_tweaked"
40
41class Hoop(object):
42    def __init__(self, first_param, second_param):
43        self.mnemonic = "hoop_%s_%s" % (first_param, second_param)
44    def __str__(self):
45        return "%s" % self.mnemonic
46
47class Dah(object):
48    def __init__(self):
49        self.mnemonic = "dah"
50
51microops = {
52    "bah": Bah,
53    "hoop": Hoop,
54    "dah": Dah
55}
56
57class TestMacroop(Combinational_Macroop):
58    def tweak(self):
59        microops["bah"] = Bah_Tweaked
60    def untweak(self):
61        microops["bah"] = Bah
62    def print_debug(self, message):
63        print(message)
64
65    def __init__(self, name):
66        super(TestMacroop, self).__init__(name)
67        self.directives = {
68            "tweak": self.tweak,
69            "untweak": self.untweak,
70            "print": self.print_debug
71        }
72
73assembler = MicroAssembler(TestMacroop, microops, Rom('main ROM'), Rom_Macroop)
74
75testAssembly = '''
76# Single line comment
77
78def rom {
79    goo: bah
80    extern la: hoop 4*8, "a"
81}; /* multiline comment on one line */
82
83/* multi line comment across lines
84   to make sure they work */
85
86def macroop squishy {
87    .tweak
88    bah
89    .untweak
90    .print "In the midst"
91    bah
92    dah # single line comment after something
93    .tweak
94};
95
96#Extending the rom...
97def rom
98{
99    #Here's more stuff for the rom
100    bah
101};
102
103def macroop squashy {
104    bah
105};
106
107def macroop jumper (bar);
108'''
109assembler.assemble(testAssembly)
110