mirror of
https://github.com/wader/fq.git
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139 lines
3.9 KiB
Plaintext
139 lines
3.9 KiB
Plaintext
# is here to be defined as early as possible to allow debugging
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# TODO: move some _* to builtin.jq etc?
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def stdin_tty: null | _stdin;
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def stdout_tty: null | _stdout;
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def print: tostring | _stdout;
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def println: ., "\n" | print;
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def printerr: tostring | _stderr;
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def printerrln: ., "\n" | printerr;
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def _debug($name):
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( (([$name, .] | tojson) | printerrln)
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, .
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);
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# jq compat
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def debug: _debug("DEBUG");
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def debug(f): . as $c | f | debug | $c;
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# jq compat, output to compact json to stderr and let input thru
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def stderr:
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( (tojson | printerr)
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, .
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);
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# try to be same exit codes as jq
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# TODO: jq seems to halt processing inputs on JSON decode error but not IO errors,
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# seems strange.
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# jq '(' <(echo 1) <(echo 2) ; echo $? => 3 and no inputs processed
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# jq '.' missing <(echo 2) ; echo $? => 2 and continues process inputs
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# jq '.' <(echo 'a') <(echo 123) ; echo $? => 4 and stops process inputs
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# jq '.' missing <(echo 'a') <(echo 123) ; echo $? => 2 ???
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# jq '"a"+.' <(echo '"a"') <(echo 1) ; echo $? => 5
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# jq '"a"+.' <(echo 1) <(echo '"a"') ; echo $? => 0
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def _exit_code_args_error: 2;
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def _exit_code_input_io_error: 2;
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def _exit_code_compile_error: 3;
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def _exit_code_input_decode_error: 4;
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def _exit_code_expr_error: 5;
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def _global_var($k): _global_state[$k];
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def _global_var($k; f): _global_state(_global_state | .[$k] |= f) | .[$k];
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def _include_paths: _global_var("include_paths");
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def _include_paths(f): _global_var("include_paths"; f);
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def _options_stack: _global_var("options_stack");
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def _options_stack(f): _global_var("options_stack"; f);
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def _cli_last_expr_error: _global_var("cli_last_expr_error");
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def _cli_last_expr_error(f): _global_var("cli_last_expr_error"; f);
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def _input_filename: _global_var("input_filename");
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def _input_filename(f): _global_var("input_filename"; f);
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def _input_filenames: _global_var("input_filenames");
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def _input_filenames(f): _global_var("input_filenames"; f);
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def _input_strings: _global_var("input_strings");
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def _input_strings(f): _global_var("input_strings"; f);
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def _input_strings_lines: _global_var("input_strings_lines");
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def _input_strings_lines(f): _global_var("input_strings_lines"; f);
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def _input_io_errors: _global_var("input_io_errors");
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def _input_io_errors(f): _global_var("input_io_errors"; f);
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def _input_decode_errors: _global_var("input_decode_errors");
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def _input_decode_errors(f): _global_var("input_decode_errors"; f);
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def _slurps: _global_var("slurps");
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def _slurps(f): _global_var("slurps"; f);
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# call f and finally eval fin even if empty or error.
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# _finally(1; debug)
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# _finally(null; debug)
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# _finally(error("a"); debug)
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# _finally(empty; debug)
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# _finally(1,2,3; debug)
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# _finally({a:1}; debug)
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def _finally(f; fin):
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try
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( f
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, (fin | empty)
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)
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catch
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( fin as $_
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| error
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);
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# TODO: figure out a saner way to force int
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def _to_int: (. % (. + 1));
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# integer division
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# inspried by https://github.com/itchyny/gojq/issues/63#issuecomment-765066351
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def _intdiv($a; $b):
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( ($a | _to_int) as $a
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| ($b | _to_int) as $b
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| ($a - ($a % $b)) / $b
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);
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# valid jq identifier, start with alpha or underscore then zero or more alpha, num or underscore
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def _is_ident: type == "string" and test("^[a-zA-Z_][a-zA-Z_0-9]*$");
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# escape " and \
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def _escape_ident: gsub("(?<g>[\\\\\"])"; "\\\(.g)");
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# format number with fixed number of decimals
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def _numbertostring($decimals):
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( . as $n
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| [ (. % (. + 1)) # truncate to integer
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, "."
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, foreach range($decimals) as $_ (1; . * 10; ($n * .) % 10)
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]
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| join("")
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);
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def _repeat_break(f):
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try repeat(f)
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catch
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if . == "break" then empty
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else error
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end;
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def _recurse_break(f):
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try recurse(f)
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catch
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if . == "break" then empty
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else error
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end;
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def _is_scalar:
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type |. != "array" and . != "object";
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def _is_context_canceled_error: . == "context canceled";
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def _error_str($contexts): (["error"] + $contexts + [.]) | join(": ");
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def _error_str: _error_str([]);
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