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74 Commits

Author SHA1 Message Date
Nicolas Williams
e16bd17571 Add {$var} . as {$var} syntax (fix #831) 2015-06-26 20:45:14 -05:00
Nicolas Williams
b9c2a326ba Fix #814: raise on div-0, add inf isinf nan isnan 2015-06-17 19:58:55 -05:00
David Tolnay
d3343d5113 array and object destructuring (fix #533) 
`. as [$i, $j, $k] | ...`
`. as {a: $i, b: $j} | ...`
`. as [[[$i]], {a: $j}] | ...`
`foreach . as [$i, $j, $k] (...)`
`reduce . as {a: $i, b: $j} (...)`
 2015-06-09 17:29:48 -05:00
Nicolas Williams
11f084f9a7 Keywords should be OK as object keys (fix #794) 
With this change it's now OK to use keywords as object keys like so:

    {if:0}
 2015-05-25 13:34:07 -05:00
Nicolas Williams
24005287f4 Add $__loc__ (fix #740) 2015-03-30 22:36:04 -05:00
Nicolas Williams
ffa2832e33 Drop name-less label/break for now 
See #734 and #658.
 2015-03-24 01:21:17 -05:00
Nicolas Williams
ae7f8d6ab9 Further module system revamp (fix #659) 
To import a module now use:

    # Import module.jq file:
    import "relative/path/to/module" as foo;

    # Use the module's defs as foo::<def-name>

To import a JSON file:

    # Read file.json:
    import "relative/path/to/file" as $foo;
    #
    # Use as $foo::foo

Using `-L` now drops the builtin library path and appends the requested
path to the empty array (or the result of an earlier `-L`).

Support for the `$JQ_LIBRARY_PATH` environment variable has been
removed.
 2014-12-31 20:09:53 -06:00
Nicolas Williams
7dc34b92af Add label $name | EXP; fix break 
This is to fix the problem where `break` is dynamic, not lexical.

With this it should be possible to do this sort of thing:

    label $break | inputs | if ... then $break|error else . end

This is a backwards-incompatible change for master, but the previous
`break` hadn't shipped yet.

Still needed:

 - testing
 2014-12-30 11:42:45 -06:00
Nicolas Williams
1ba8c2cfa6 Add module directive, modulemeta builtin 
Fix #425.
 2014-08-14 03:26:26 -05:00
Nicolas Williams
9f13afa20f Add jq_report_error() function; use it 
Put a stop to fprintf(stderr, ...) where we shouldn't.
 2014-08-14 03:21:35 -05:00
Nicolas Williams
c321c3b86b Constant fold objects 2014-08-09 20:47:03 -05:00
Nicolas Williams
8a561120c4 More constant folding: null, true, and false 
A step towards doing constant folding for arrays and objects.
 2014-08-09 19:15:50 -05:00
Nicolas Williams
8cddb7c681 Allow any number of jq-coded function arguments 2014-08-09 12:42:39 -05:00
Nicolas Williams
32c08d48f3 Add def f($arg): syntax (fix #524) 2014-08-08 19:16:01 -05:00
Nicolas Williams
0d437e25de Better error msg for bad shell quoting (fix #538) 2014-08-06 17:51:53 -05:00
William Langford
a25950a58c Remove duplicate TOP insertions, drop unused defs. 2014-08-05 00:46:10 -04:00
Nicolas Williams
2e2538ccb8 Fold constants (fix #504) 2014-07-27 17:48:49 -05:00
Nicolas Williams
10f5a3448d Do fix remaining bison warning (fix #433) 2014-07-22 22:51:11 -05:00
William Langford
38b939688a Added library system with -l, -L, and JQ_LIBRARY_PATH 
Created util.[ch] to hold common utilities.
 2014-07-22 22:51:11 -05:00
Nicolas Williams
8c3d503d54 Fix bison empty rule warnings (#433, partial fix) 2014-07-14 16:41:48 -05:00
Nicolas Williams
2bb9fc5dda Fix #484, try/catch syntax has conflicts 2014-07-14 16:41:48 -05:00
Nicolas Williams
c38e5b1b2c Lib defs don't bind to each other; fix #479 again 2014-07-13 18:36:27 -05:00
Nicolas Williams
5be80b81eb Add foreach EXP as $var (INIT; UPDATE) form 2014-07-09 00:43:06 -05:00
Nicolas Williams
8780bc0b8e Better check for lib has only functions (fix #138) 2014-07-07 16:03:32 -05:00
Nicolas Williams
5a863bf010 Add foreach and limit 2014-07-06 19:40:05 -05:00
Nicolas Williams
7d3a44a1e2 Add general ? operator 2014-07-06 01:29:43 -05:00
Nicolas Williams
7fce34292e Add try EXP catch EXP 2014-07-06 01:29:42 -05:00
Santiago Lapresta
dde43f796e Simplified standard library 
Close #426.

Signed-off-by: Nicolas Williams <nico@cryptonector.com>
 2014-06-17 18:17:50 -05:00
Nicolas Williams
fe29d3d3fa Add ?, .[]?, and .. operators 
Make XPath-like `//a/b` recursive structure traversal easier in jq,
which then becomes:

    ..|.a?.b?

The `?` operator suppresses errors about . not being an array or object.
The `..` operator is equivalent to calling the new `recurse_down`
built-in, which in turn is equivalent to

    recurse(.[]?)

Note that `..a` is not supported; neither is `...a`.  That could be add
added, but it doesn't seem worth the trouble of saving the need to type
a '|'.
 2014-02-20 15:33:07 -06:00
Stephen Dolan
18e828f17c Allow negated object values without parens. Fixes #247 2013-12-17 22:28:31 +00:00
Nicolas Williams
474386a1d9 Complete more-arity feature not complete 
And test
 2013-12-11 14:14:26 -06:00
Nicolas Williams
1fc5656762 Support more arguments for defs 2013-12-04 18:21:38 -06:00
Juan Guerrero
9e53f36a74 Fix typo on error message 2013-10-06 17:52:04 +02:00
Stephen Dolan
dae2422fd1 Merge branch 'libjq' 
Conflicts:
	Makefile.am
	configure.ac
 2013-09-14 19:30:39 +01:00
Stephen Dolan
37cfc912c1 Remove #includes from jv.h 2013-06-23 14:23:07 +01:00
Nicolas Williams
3403d07912 Add mod (and setmod) operators 2013-06-21 15:27:34 -05:00
Stephen Dolan
824ce76cec Simplify block functions for variables 2013-06-18 01:07:18 +01:00
Stephen Dolan
81e2336ace Support ."foo" syntax for accessing fields. See #141. 2013-06-11 22:26:39 +01:00
Stephen Dolan
2ffbb9d6b7 Lex and parse .foo better. 
'.as' is now valid, '. foo' is now invalid. See #141.
 2013-06-05 13:41:56 +01:00
Stephen Dolan
2c4ccd122e Better error handling for .foo case in parser. See #141. 2013-06-03 23:12:31 +01:00
Stephen Dolan
b90ae078b8 Let the parser rather than the lexer handle invalid characters. 2013-06-03 23:12:31 +01:00
Stephen Dolan
bc42812715 Remove the insane "fold" operation, replace with saner "reduce". 2013-05-16 15:07:53 +01:00
Stephen Dolan
33901b74b1 Array slicing. Closes #2. 2013-05-13 20:16:19 +01:00
Stephen Dolan
d8706fd460 Fix the //= operator. 
Closes #62.
 2013-05-13 16:04:30 +01:00
Stephen Dolan
2363246eea Merge remote-tracking branch 'stagrlee/master' into autotools 
Conflicts:
	Makefile
	jq_test.c
 2013-05-08 00:52:24 +01:00
Stephen Dolan
5be97463ec Add a --arg option to allow variables to be passed from the cmdline. 
Closes #107
 2013-05-06 14:21:00 +01:00
Lee Thompson
c7725a8d4d merging upstream stedolan changes 2013-02-02 20:39:23 -06:00
Stephen Dolan
925ec3751f Fix negative number syntax. Add a unary '-' operator. 
Closes #63.
 2013-01-03 12:53:23 +00:00
Stephen Dolan
d5fdf70434 Refactor assignment. 
New version is much more elegant and probably slower. Uses
library functions implemented in jq rather than dedicated opcodes.
 2012-12-29 16:43:36 +00:00
Stephen Dolan
f1e23448e7 Support for two-argument functions. 
Should probably support n args instead. This is a quick hack.
Also, ';' is a slightly ugly argument separator.
 2012-12-28 15:07:27 +00:00