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add new debugging function proptrace(), which outputs all regular property

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writes (not directly written tied ones), all node additions and removal.
Frames are separated with a line. Turn off ANSI coloring if you want to
pipe the results into a file: --prop:sim/startup/terminal-ansi-colors=0
This commit is contained in:
mfranz 2007-10-16 15:24:30 +00:00
parent c6790fd328
commit fc6f357a0e
2 changed files with 51 additions and 6 deletions
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46
Nasal/debug.nas
View file

@ -12,6 +12,10 @@
# debug.backtrace([<comment:string>]} ... writes backtrace with local variables
# (similar to gdb's "bt full)
#
# debug.proptrace([<property [, <time>]]) ... trace property write/add/remove
# events under the <property> subtree.
# Defaults are "/" and 1 second.
#
# debug.tree([<property> [, <mode>]) ... dump property tree under property path
# or props.Node hash (default: root). If
# <mode> is unset or 0, use flat mode
@ -35,6 +39,7 @@
#
# debug.printerror(<err-vector>) ... prints error vector as set by call()
#
# debug.propify(<variable>) ... turn about everything into a props.Node
#
# CAVE: this file makes extensive use of ANSI color codes. These are
# interpreted by UNIX shells and MS Windows with ANSI.SYS extension
@ -74,8 +79,23 @@ var _varname = func(s) { _c("1", s) } # variable_name
var ghosttypes = {};
var tree = func(p = "", graph = 1) {
var n = isa(p, props.Node) ? p : props.globals.getNode(p, 0);
##
# Turn p into props.Node (if it isn't yet), or return nil.
#
var propify = func(p, create = 0) {
var type = typeof(p);
if (type == "ghost" and ghosttype(p) == ghosttype(props.globals._g))
return props.wrapNode(p);
if (type == "scalar" and num(p) == nil)
return props.globals.getNode(p, create);
if (isa(p, props.Node))
return p;
return nil;
}
var tree = func(n = "", graph = 1) {
n = propify(n);
if (n == nil)
dump(n);
else
@ -203,6 +223,28 @@ var backtrace = func(desc = nil) {
var bt = backtrace;
var proptrace = func(root = "/", time = 1) {
var i = 0;
var mark = setlistener("/sim/signals/frame", func {
print("-------------------- FRAME --------------------");
});
var trace = setlistener(propify(root), func(this, base, type) {
i += 1;
if (type > 0)
print("ADD ", this.getPath());
elsif (type < 0)
print("DEL ", this.getPath());
else
print("SET ", this.getPath(), " = ", string(this.getValue()), " ", _attrib(this));
}, 0, 2);
settimer(func {
removelistener(trace);
removelistener(mark);
print("proptrace: stop (", i, " calls)");
}, time, 1);
}
##
# Executes function f with optional arguments and prints execution
# time in seconds. Examples:

11
Nasal/globals.nas
View file

@ -63,10 +63,13 @@ var interpolate = func(node, val...) {
##
# Convenience wrapper for the _setlistener function. Takes a
# single string or props.Node object in arg[0] indicating the
# listened to property, a function in arg[1], and an optional
# bool in arg[2], which triggers the function initially if true.
# Wrapper for the _setlistener function. Takes a property path string
# or props.Node object in arg[0] indicating the listened to property,
# a function in arg[1], an optional bool in arg[2], which triggers the
# function initially if true, and an optional integer in arg[3], which
# sets the listener's runtime behavior to "only trigger on change" (0),
# "always trigger on write" (2), and "trigger even when children are
# written to" (2).
#
var setlistener = func(node, fun, init=0, runtime=1) {
if(isa(node, props.Node)) node = node._g;