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Signed-off-by: Steve Bennett <steveb@workware.net.au>
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This is simpler now that we can write to a non-blocking socket
even if it is "full".
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Now 'constraint cmd|package' is like 'needs' but sets a constraint
The command to 'needs cmd' and 'constraint cmd' can now take
a subcommand to check.
Add 'constraint|needs eval|expr' to make some constraint checks
simpler.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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This changes especially makes buffered I/O work
with non-blocking channels.
- separate read and write buffering
- support for timeout on blocking read
- read/write on same channel in event loop with buffering
- read buffer is the same across read, gets, copyto
- autoflush non-blocking writes via event loop
- copyto can now copy to any filehandle-like command
- add some copyto tests
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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A typical error message now looks like this:
t4.tcl:2: Error: syntax error in expression: "blah"
Traceback (most recent call last):
File "t4.tcl", line 14
c 1 2 3
File "t4.tcl", line 10, in c
b a c
File "t4.tcl", line 6, in b
a A14
File "t4.tcl", line 2, in a
expr blah
This is produced by stackdump (that can be replaced), called by errorInfo.
Note that now stacktraces (stacktrace, info stacktrace, $opts(-errorinfo)) include
the running command at each level in addition to proc, file, line. In order for
scripts to detect this new format, a new entry tcl_platform entry has been added:
tcl_platform(stackFormat) = 4 (to signify 4 elements per frame)
In addition, instead of building the error stack frame as the stack
is unwound in response to an error, instead the entire current stack trace
is captured by stacktrace. This means that the trace extends beyond the try/catch
right back to the initial interpreter command.
The 'stacktrace' command is now implemented in C based on the same
code that generates the error stacktrace.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Signed-off-by: Steve Bennett <steveb@workware.net.au>
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loop i 5 {
loop j 6 {
# This breaks out of both loops
break 2
}
}
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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always include 'proc' even if introspection disabled
correctly set 'proc' at the eval frame level that is currently running
in the given proc. This makes it easier to produce an accurate level stacktrace
even across uplevel, etc.
Update stacktrace to use the new info frame.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Fixes #259
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Fixes #259
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Previously dict with returned the new dict value.
Also fix an issue in the case where a dict element
mirrors the name of the dictionary.
Fixes: #241
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Uses a prefix to automatically map from subcommand to
implementation.
Includes support for namespace ensemble
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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To break vwait if a handled signal is received.
In this case, the handled signal(s) can be returned by signal check ?-clear?
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Returns a dictionary with file, line, cmd, (possibly) proc and level.
And support 'info frame 0' for the current command.
Note that now all evaluation frames are captured, not just call frames.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Since signals aren't supported there and we need signals for some
of these tests.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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These tests provoke the issues raised in #245 plus
some additional issues.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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The end of word check was wrong and return true when it should not.
Fixes #246
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Some systems need a little extra time for the child process
to start and acquire the lock.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Dictionary lookups with simple integers are more efficient
than with "node<integer>"
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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file executable doesn't do anything useful on Windows
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Signed-off-by: Steve Bennett <steveb@workware.net.au>
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These tests were only working accidentally (typo >$@w).
In fact since open |... already provides a pipe on output
there is no need to create one manually, so the first test
can run under Tcl too.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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unset -nocomplain abc(missing)
was still returning an error message, but as
a normal return. It should return an empty result.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Only on unix systems, wait for any child process
This was broken with a recent commit, so add an explicit test
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Although the interface is different ('$handle stat' vs 'chan configure -stat')
the behaviour is the same.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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On win32, a process is identified by a HANDLE, but for identifying
a running process we should use GetProcessId() to return a meaningful integer.
This means we need to be able to back and forth between a pid and a process handle
(phandle). We also need to be careful to get the pid before the process handle closes
since it isn't available afterwards.
Also call the handle to intptr_t for open_osfhandle() to avoid a compiler warning.
Fixes #217
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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In addition to "on codes ..."
it is now possible to trap on errorcode with
"trap sublist ..."
e.g.
try {
...
} trap CHILDSTATUS {msg opts} {
...
}
Fixes #204
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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There is no reason to allow a reference to contain leading and/or
trailing white space, so remove this check and simply treat
it as an invalid reference.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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oo.tcl returns globally qualified names like
::<reference.<tree___>.00000000000000000000>
So allow getref and setref to handle these qualified references
Fixes #218
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Needs include, lib paths when jim is not installed
Fixes: #216
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Due to the way hash collisions are managed it is possible
to have a sequence where an entry is removed and then another
entry is replaced, however the replacement adds an additional
entry instead of updating the existing entry.
Can be reproduced like this as there is a hash collision between
these two keys:
dict set d 0,13 X
dict set d 8,4 Y
dict unset d 0,13
dict set d 8,4 Z
Should result in one entry in the dictionary, but instead ends with two.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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bootstrap jimsh doesn't have garbage collection, so move
such tests into ref.test
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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When a reference is used as a command name (e.g. in oo.tcl) it
is created in the global namespace as ::<reference...
The current check for references that are commands with a reference
count of 1 doesn't take this into account so these references
were not being garbage collected.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Quote the build dir or and the path to jimsh/tclsh
in the Makefile in case they contain spaces.
Also fix a few problems in tests/ that arise when the build
and/or source dir contain spaces.
Fixes #199
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Avoid unexpected issues by concatenating multiple arguments.
This does create an incompatibility with early versions, but
it is generally trivial to convert existing code to one of two forms:
1. expr {$a + $b} -- usually correct
2. expr "$a + $b" -- usually incorrect
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Signed-off-by: Steve Bennett <steveb@workware.net.au>
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In the case where interp is not supported
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Add -stride support to both lsearch and lsort
Add -index support to lsearch
Improve -index for lsort to support multiple indices
Also harmonise some error messages with Tcl 8.7
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Fixes #191
Signed-off-by: Steve Bennett <steveb@workware.net.au>
Reported-by: D. Bohdan <dbohdan@dbohdan.com>
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Allows a debugger or tracing facility to be implemented
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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In order to test bootstrap jimsh, it is very helpful
if it can pass all the unit tests.
- Set tcl_platform(bootstrap) to 1 for bootstrap jimsh or 0 otherwise
- Use getref to determine in we have references, not ref since we
implement a poor-man's ref for bootstrap jimsh
- bootstrap jimsh package doesn't return a "Can't load package"
message if loading the package fails
- exec tests using [open |command] need pipe
- bootstrap jimsh can't set file times with [file mtime]
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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When boolean parsing was combined in commit
982ec4f524bc81a240cb729cf09bd3c677aea485
it broken parsing of boolean values in expressions that
weren't standalone.
e.g. expr {true} was fine, but expr {true ? 4 : 5} was not.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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It is convenient to be able to do just:
loop i 5 {
body
}
Where the start value is 0.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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This means that instead of just [list index 2+1], we can now do
[list index end-$n*2+1]
This applies to:
lindex, linsert, lreplace, lset, lrange, lsort, regexp, regsub
string index,first,last,range
Also add tests for both direct integer expressions and indexes.
Still needs doc update.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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For convenience, many commands now accept integer expressions
rather than only simple integers.
These are:
loop, range, incr, string repeat, lrepeat, pack, unpack, rand
This simplifies many cases where previously expr {} or $() was required.
e.g.
foreach i [range 4+1 2*$b] { ... }
string repeat 2**$n a
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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It is especially convenient to add -1 for something like:
lindex $list end-$BACK-1
or:
string range $str $p $p+$len-1
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Add support for comments in expressions
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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