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Add macro include support. Use it for building from head.

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This change provides a simple way to build all parts of the tools from
version control.
This commit is contained in:
Chris Johns
2013-04-26 12:05:53 +10:00
parent 8f309979dc
commit 624954ba0b
6 changed files with 122 additions and 16 deletions
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60
source-builder/sb/macros.py
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@@ -186,6 +186,19 @@ class macros:
return key.lower()
def parse(self, lines):
def _clean(l):
if '#' in l:
l = l[:l.index('#')]
if '\r' in l:
l = l[:l.index('r')]
if '\n' in l:
l = l[:l.index('\n')]
return l.strip()
trace_me = False
if trace_me:
print '[[[[]]]] parsing macros'
macros = { 'global': {} }
map = 'global'
lc = 0
@@ -197,8 +210,12 @@ class macros:
#print 'l:%s' % (l[:-1])
if len(l) == 0:
continue
l_remaining = l
for c in l:
#print ']]]]]]]] c:%s(%d) s:%s t:"%s" m:%r M:%s' % (c, ord(c), state, token, macro, map)
if trace_me:
print ']]]]]]]] c:%s(%d) s:%s t:"%s" m:%r M:%s' % \
(c, ord(c), state, token, macro, map)
l_remaining = l_remaining[1:]
if c is '#' and not state.startswith('value'):
break
if c == '\n' or c == '\r':
@@ -209,6 +226,8 @@ class macros:
if c not in string.whitespace:
if c is '[':
state = 'map'
elif c is '%':
state = 'directive'
elif c is ':':
macro += [token]
token = ''
@@ -228,6 +247,25 @@ class macros:
token += c
else:
raise error.general('invalid macro map:%d: %s' % (lc, l))
elif state is 'directive':
if c in string.whitespace:
if token == 'include':
self.load(_clean(l_remaining))
token = ''
state = 'key'
break
elif c in string.printable and c not in string.whitespace:
token += c
else:
raise error.general('invalid macro directive:%d: %s' % (lc, l))
elif state is 'include':
if c is string.whitespace:
if token == 'include':
state = 'include'
elif c in string.printable and c not in string.whitespace:
token += c
else:
raise error.general('invalid macro directive:%d: %s' % (lc, l))
elif state is 'attribs':
if c not in string.whitespace:
if c is ',':
@@ -290,14 +328,18 @@ class macros:
self.macros[m][mm] = macros[m][mm]
def load(self, name):
try:
name = self.expand(name)
mc = open(name, 'r')
except IOError, err:
raise error.general('opening macro file: %s' % (path.host(name)))
macros = self.parse(mc)
mc.close()
self.files += [name]
names = self.expand(name).split(':')
for n in names:
if path.exists(n):
try:
mc = open(n, 'r')
macros = self.parse(mc)
mc.close()
self.files += [n]
return
except IOError, err:
pass
raise error.general('opening macro file: %s' % (path.host(name)))
def get(self, key):
if type(key) is not str: