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tracing: panic() if people try to use tracing, but TRACING_ON is not set.

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Also clean things up so that help strings can more easily be added.
Move the help function into trace.py
This commit is contained in:
Nathan Binkert
2009-01-19 09:59:13 -08:00
parent f15f252d4e
commit 0876c822dd
4 changed files with 57 additions and 45 deletions
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37
src/SConscript
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@@ -175,30 +175,25 @@ Export('UnitTest')
#
# Trace Flags
#
all_flags = {}
trace_flags = []
def TraceFlag(name, desc=''):
if name in all_flags:
trace_flags = {}
def TraceFlag(name, desc=None):
if name in trace_flags:
raise AttributeError, "Flag %s already specified" % name
flag = (name, (), desc)
trace_flags.append(flag)
all_flags[name] = ()
trace_flags[name] = (name, (), desc)
def CompoundFlag(name, flags, desc=''):
if name in all_flags:
def CompoundFlag(name, flags, desc=None):
if name in trace_flags:
raise AttributeError, "Flag %s already specified" % name
compound = tuple(flags)
for flag in compound:
if flag not in all_flags:
if flag not in trace_flags:
raise AttributeError, "Trace flag %s not found" % flag
if all_flags[flag]:
if trace_flags[flag][1]:
raise AttributeError, \
"Compound flag can't point to another compound flag"
flag = (name, compound, desc)
trace_flags.append(flag)
all_flags[name] = compound
trace_flags[name] = (name, compound, desc)
Export('TraceFlag')
Export('CompoundFlag')
@@ -666,14 +661,16 @@ def traceFlagsPy(target, source, env):
val = eval(s.get_contents())
allFlags.append(val)
print >>f, 'baseFlags = ['
allFlags.sort()
print >>f, 'basic = ['
for flag, compound, desc in allFlags:
if not compound:
print >>f, " '%s'," % flag
print >>f, " ]"
print >>f
print >>f, 'compoundFlags = ['
print >>f, 'compound = ['
print >>f, " 'All',"
for flag, compound, desc in allFlags:
if compound:
@@ -681,10 +678,10 @@ def traceFlagsPy(target, source, env):
print >>f, " ]"
print >>f
print >>f, "allFlags = frozenset(baseFlags + compoundFlags)"
print >>f, "all = frozenset(basic + compound)"
print >>f
print >>f, 'compoundFlagMap = {'
print >>f, 'compoundMap = {'
all = tuple([flag for flag,compound,desc in allFlags if not compound])
print >>f, " 'All' : %s," % (all, )
for flag, compound, desc in allFlags:
@@ -693,7 +690,7 @@ def traceFlagsPy(target, source, env):
print >>f, " }"
print >>f
print >>f, 'flagDescriptions = {'
print >>f, 'descriptions = {'
print >>f, " 'All' : 'All flags',"
for flag, compound, desc in allFlags:
print >>f, " '%s' : '%s'," % (flag, desc)
@@ -847,7 +844,7 @@ extern const Flags *compoundFlags[];
f.close()
flags = [ Value(f) for f in trace_flags ]
flags = [ Value(f) for f in trace_flags.values() ]
env.Command('base/traceflags.py', flags, traceFlagsPy)
PySource('m5', 'base/traceflags.py')