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-rw-r--r--scripts/tracetool/__init__.py53
1 files changed, 46 insertions, 7 deletions
diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py
index 3ee54be223..96b1cd69a5 100644
--- a/scripts/tracetool/__init__.py
+++ b/scripts/tracetool/__init__.py
@@ -31,14 +31,36 @@ def error(*lines):
sys.exit(1)
+out_lineno = 1
+out_filename = '<none>'
+out_fobj = sys.stdout
+
+def out_open(filename):
+ global out_filename, out_fobj
+ out_filename = filename
+ out_fobj = open(filename, 'wt')
+
def out(*lines, **kwargs):
"""Write a set of output lines.
You can use kwargs as a shorthand for mapping variables when formatting all
the strings in lines.
+
+ The 'out_lineno' kwarg is automatically added to reflect the current output
+ file line number. The 'out_next_lineno' kwarg is also automatically added
+ with the next output line number. The 'out_filename' kwarg is automatically
+ added with the output filename.
"""
- lines = [ l % kwargs for l in lines ]
- sys.stdout.writelines("\n".join(lines) + "\n")
+ global out_lineno
+ output = []
+ for l in lines:
+ kwargs['out_lineno'] = out_lineno
+ kwargs['out_next_lineno'] = out_lineno + 1
+ kwargs['out_filename'] = out_filename
+ output.append(l % kwargs)
+ out_lineno += 1
+
+ out_fobj.writelines("\n".join(output) + "\n")
# We only want to allow standard C types or fixed sized
# integer types. We don't want QEMU specific types
@@ -196,6 +218,10 @@ class Event(object):
Properties of the event.
args : Arguments
The event arguments.
+ lineno : int
+ The line number in the input file.
+ filename : str
+ The path to the input file.
"""
@@ -208,7 +234,7 @@ class Event(object):
_VALID_PROPS = set(["disable", "tcg", "tcg-trans", "tcg-exec", "vcpu"])
- def __init__(self, name, props, fmt, args, orig=None,
+ def __init__(self, name, props, fmt, args, lineno, filename, orig=None,
event_trans=None, event_exec=None):
"""
Parameters
@@ -221,6 +247,10 @@ class Event(object):
Event printing format string(s).
args : Arguments
Event arguments.
+ lineno : int
+ The line number in the input file.
+ filename : str
+ The path to the input file.
orig : Event or None
Original Event before transformation/generation.
event_trans : Event or None
@@ -233,6 +263,8 @@ class Event(object):
self.properties = props
self.fmt = fmt
self.args = args
+ self.lineno = int(lineno)
+ self.filename = str(filename)
self.event_trans = event_trans
self.event_exec = event_exec
@@ -254,16 +286,21 @@ class Event(object):
def copy(self):
"""Create a new copy."""
return Event(self.name, list(self.properties), self.fmt,
- self.args.copy(), self, self.event_trans, self.event_exec)
+ self.args.copy(), self.lineno, self.filename,
+ self, self.event_trans, self.event_exec)
@staticmethod
- def build(line_str):
+ def build(line_str, lineno, filename):
"""Build an Event instance from a string.
Parameters
----------
line_str : str
Line describing the event.
+ lineno : int
+ Line number in input file.
+ filename : str
+ Path to input file.
"""
m = Event._CRE.match(line_str)
assert m is not None
@@ -293,7 +330,7 @@ class Event(object):
if "tcg" in props and isinstance(fmt, str):
raise ValueError("Events with 'tcg' property must have two format strings")
- event = Event(name, props, fmt, args)
+ event = Event(name, props, fmt, args, lineno, filename)
# add implicit arguments when using the 'vcpu' property
import tracetool.vcpu
@@ -338,6 +375,8 @@ class Event(object):
list(self.properties),
self.fmt,
self.args.transform(*trans),
+ self.lineno,
+ self.filename,
self)
@@ -364,7 +403,7 @@ def read_events(fobj, fname):
continue
try:
- event = Event.build(line)
+ event = Event.build(line, lineno, fname)
except ValueError as e:
arg0 = 'Error at %s:%d: %s' % (fname, lineno, e.args[0])
e.args = (arg0,) + e.args[1:]