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- add debug.local([<frame>]) to output local variables of frame #0

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or of given frame
- add debug.string(<variable>). This returns the variable dump as
  string.
- add var to module function variables to avoid collisions with module names
This commit is contained in:
mfranz 2007-02-07 17:06:05 +00:00
parent a1556fa69a
commit 3bec4f4cfc
1 changed files with 41 additions and 24 deletions
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65
Nasal/debug.nas
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@ -1,11 +1,20 @@
# debug.nas -- debugging helpers
#
# debug.dump(<variable>) ... dumps full contents of variable
# debug.dump(<variable>) ... dumps contents of variable to terminal;
# abbreviation for print(debug.string(v))
#
# debug.local([<frame:int>]) ... dump local variables of current
# or given frame
#
# debug.backtrace([<comment:string>]} ... writes backtrace with local variables
# (similar to gdb's "bt full)
#
# debug.exit() ... exits fgfs
#
# debug.bt ... abbreviation for debug.backtrace
#
# debug.string(<variable>) ... returns contents of variable as string
#
@ -20,23 +29,24 @@ if (caller(0)[2][1] != `:`) {
# for color codes see $ man console_codes
#
_title = func(s) { _c("33;42;1", s) } # backtrace header
_section = func(s) { _c("37;41;1", s) } # backtrace frame
var _title = func(s) { _c("33;42;1", s) } # backtrace header
var _section = func(s) { _c("37;41;1", s) } # backtrace frame
var _error = func(s) { _c("31;1", s) } # internal errors
_nil = func(s) { _c("32", s) } # nil
_string = func(s) { _c("31", s) } # "foo"
_num = func(s) { _c("31", s) } # 0.0
_bracket = func(s) { _c("", s) } # [ ]
_brace = func(s) { _c("", s) } # { }
_angle = func(s) { _c("", s) } # < >
_vartype = func(s) { _c("33", s) } # func ghost
_proptype = func(s) { _c("34", s) } # BOOL INT LONG DOUBLE ...
_path = func(s) { _c("36", s) } # /some/property/path
_internal = func(s) { _c("35", s) } # me parents
_varname = func(s) { _c("1", s) } # variable_name
var _nil = func(s) { _c("32", s) } # nil
var _string = func(s) { _c("31", s) } # "foo"
var _num = func(s) { _c("31", s) } # 0.0
var _bracket = func(s) { _c("", s) } # [ ]
var _brace = func(s) { _c("", s) } # { }
var _angle = func(s) { _c("", s) } # < >
var _vartype = func(s) { _c("33", s) } # func ghost
var _proptype = func(s) { _c("34", s) } # BOOL INT LONG DOUBLE ...
var _path = func(s) { _c("36", s) } # /some/property/path
var _internal = func(s) { _c("35", s) } # me parents
var _varname = func(s) { _c("1", s) } # variable_name
_dump_prop = func(p) {
var _dump_prop = func(p) {
var r = p.getAttribute("read") ? "" : "r";
var w = p.getAttribute("write") ? "" : "w";
var R = p.getAttribute("trace-read") ? "R" : "";
@ -46,11 +56,11 @@ _dump_prop = func(p) {
var T = p.getAttribute("tied") ? "T" : "";
var attrib = r ~ w ~ R ~ W ~ A ~ U ~ T;
var type = "(" ~ _proptype(p.getType()) ~ (size(attrib) ? ", " ~ attrib : "") ~ ")";
return _path(p.getPath()) ~ "=" ~ _dump(p.getValue()) ~ " " ~ type;
return _path(p.getPath()) ~ "=" ~ string(p.getValue()) ~ " " ~ type;
}
_dump_var = func(v) {
var _dump_var = func(v) {
if (v == "me" or v == "parents") {
return _internal(v);
} else {
@ -59,7 +69,7 @@ _dump_var = func(v) {
}
_dump = func(o) {
var string = func(o) {
var t = typeof(o);
if (t == "nil") {
return _nil("nil");
@ -68,7 +78,7 @@ _dump = func(o) {
} elsif (t == "vector") {
var s = "";
forindex (var i; o) {
s ~= (i == 0 ? "" : ", ") ~ _dump(o[i]);
s ~= (i == 0 ? "" : ", ") ~ string(o[i]);
}
return _bracket("[") ~ " " ~ s ~ " " ~ _bracket("]");
} elsif (t == "hash") {
@ -79,7 +89,7 @@ _dump = func(o) {
var k = keys(o);
var s = "";
forindex (var i; k) {
s ~= (i == 0 ? "" : ", ") ~ _dump_var(k[i]) ~ " : " ~ _dump(o[k[i]]);
s ~= (i == 0 ? "" : ", ") ~ _dump_var(k[i]) ~ " : " ~ string(o[k[i]]);
}
return _brace("{") ~ " " ~ s ~ " " ~ _brace("}");
} else {
@ -88,10 +98,17 @@ _dump = func(o) {
}
dump = func(o = nil) { print(_dump(o != nil ? o : caller()[0])) }
var dump = func { size(arg) ? print(string(arg[0])) : local(1) }
backtrace = func(desc = nil, l = 0) {
var local = func(frame = 0) {
var v = caller(frame + 1);
print(v == nil ? _error("<no such frame>") : string(v[0]));
return v;
}
var backtrace = func(desc = nil, l = 0) {
var v = caller(l);
if (v == nil) {
return;
@ -105,10 +122,10 @@ backtrace = func(desc = nil, l = 0) {
}
backtrace(nil, l + 1);
}
bt = backtrace;
var bt = backtrace;
exit = func { fgcommand("exit", props.Node.new()) }
var exit = func { fgcommand("exit", props.Node.new()) }
if (getprop("/sim/logging/priority") != "alert") {