SConscript revision 6714:028047200ff7 
1# -*- mode:python -*-
2
3# Copyright (c) 2009 The Hewlett-Packard Development Company
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright
9# notice, this list of conditions and the following disclaimer;
10# redistributions in binary form must reproduce the above copyright
11# notice, this list of conditions and the following disclaimer in the
12# documentation and/or other materials provided with the distribution;
13# neither the name of the copyright holders nor the names of its
14# contributors may be used to endorse or promote products derived from
15# this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28#
29# Authors: Nathan Binkert
30
31import os
32import sys
33
34from os.path import isdir, isfile, join as joinpath
35
36Import('*')
37
38if not env['RUBY']:
39    Return()
40
41protocol_dir = Dir('.')
42html_dir = Dir('html')
43slicc_dir = Dir('../slicc')
44
45sys.path[1:1] = [ Dir('..').srcnode().abspath ]
46from slicc.parser import SLICC
47
48slicc_depends = []
49for root,dirs,files in os.walk(slicc_dir.srcnode().abspath):
50    for f in files:
51        if f.endswith('.py'):
52            slicc_depends.append(File(joinpath(root, f)))
53
54#
55# Use SLICC
56#
57
58def slicc_scanner(node, env, path):
59    contents = node.get_contents()
60    files = [ line.strip() for line in contents.splitlines() ]
61    return files
62
63env.Append(SCANNERS=Scanner(function=slicc_scanner,skeys=['.slicc']))
64
65def slicc_emitter(target, source, env):
66    files = [s.srcnode().abspath for s in source[1:]]
67    slicc = SLICC(debug=True)
68    print "SLICC parsing..."
69    for name in slicc.load(files, verbose=True):
70        print "    %s" % name
71
72    target.extend(sorted(slicc.files()))
73    return target, source
74
75def slicc_action(target, source, env):
76    protocol = source[0].get_contents()
77    pdir = str(protocol_dir)
78    hdir = str(html_dir)
79
80    if not isdir(pdir):
81        os.mkdir(pdir)
82    if not isdir(hdir):
83        os.mkdir(hdir)
84
85    slicc = SLICC(debug=True)
86    files = [str(s) for s in source[1:]]
87    slicc.load(files, verbose=False)
88
89    print "SLICC Generator pass 1..."
90    slicc.findMachines()
91
92    print "SLICC Generator pass 2..."
93    slicc.generate()
94
95    print "SLICC writing C++ files..."
96    slicc.writeCodeFiles(pdir)
97
98    print "SLICC writing HTML files..."
99    slicc.writeHTMLFiles(hdir)
100
101slicc_builder = Builder(action=slicc_action, emitter=slicc_emitter)
102
103protocol = env['PROTOCOL']
104sources = [ protocol_dir.File("RubySlicc_interfaces.slicc"),
105            protocol_dir.File("%s.slicc" % protocol) ]
106
107env.Append(BUILDERS={'SLICC' : slicc_builder})
108nodes = env.SLICC([], [ Value(protocol) ] + sources)
109env.Depends(nodes, slicc_depends)
110
111for f in sorted(s for s in nodes if str(s).endswith('.cc')):
112    Source(f)
113