created by

Kamil Dworakowski

script type

utility

description

Requires python and Vim compiled with +python option Basic Usecase: Place the cursor inside the parameter you want to swap with the next one, and press gs It is a versatile script to swap parameters of a function or, generally speaking, elements in any coma seperated list. key bindings (normal mode): [count]gs -- where count defaults to 1 -- swap the argument under              the cursor with the [count] next one [count]gS -- swap with the previous one Below are exaples of what happens after pressing gs (equivalent to 1gs). Prettier version can be found here: http://blog.kamil.dworakowski.name/2007/09/swap-parameters-script-for-vim.html. On each line the lefthand side shows the line before typing gs, and the righthand side shows the effect. The cursor position is depicted with || symbols. par|m|1 means that the cursor is on the character m. fun(par|m|1, parm2) ==> fun(parm2, parm|1|) fun(par|m|1(), parm2) ==> fun(parm2, parm1(|)|) fun(parm1(|)|, parm2) ==> fun(parm2, parm1(|)|) fun(parm|1|(arg,arg2), parm2) ==> fun(parm2, parm1(arg,arg2|)|) fun(parm1|(|arg,arg2), parm2) ==> fun(parm2, parm1(arg,arg2|)|) fun(parm1(arg,arg2|)|, parm2) ==> fun(parm2, parm1(arg,arg2|)|) fun(parm1(arg, arg2|)|, parm2) ==> fun(parm2, parm1(arg, arg2|)|) fun(arg1, ar|g|2, arg3) ==> fun(arg1, arg3, arg|2|) array[a|r|g1, arg2] ==> array[arg2, arg|1|] fun(par|m|1[], parm2) ==> fun(parm2, parm1[|]|) fun(parm1[|]|, parm2) ==> fun(parm2, parm1[|]|) fun(par|m|1, array[]) ==> fun(array[], parm|1|) fun(|a|,b) ==> fun(b,|a|) [(p1, p2|)|, p3] ==> [p3, (p1, p2|)|] The following lines demonstrate using gS (swap with previous). fun(parm2, par|m|1) ==> fun(|p|arm1, parm2) fun(parm2, par|m|1()) ==> fun(|p|arm1(), parm2) fun(parm2, parm1(|)|) ==> fun(|p|arm1(), parm2) fun(parm2, parm|1|(arg,arg2)) ==> fun(|p|arm1(arg,arg2), parm2) fun(parm2, parm1|(|arg,arg2)) ==> fun(|p|arm1(arg,arg2), parm2) fun(parm2, parm1(arg,arg2|)|) ==> fun(|p|arm1(arg,arg2), parm2) fun(parm2, parm1(arg, arg2|)|) ==> fun(|p|arm1(arg, arg2), parm2) fun(arg1, ar|g|2, arg3) ==> fun(|a|rg2, arg1, arg3) fun(arg1, arg2, ar|g|3) ==> fun(arg1, |a|rg3, arg2) array[arg2, a|r|g1] ==> array[|a|rg1, arg2] fun(par|m|1[], parm2) ==> fun(|p|arm1[], parm2) fun(parm2, parm1[|]|) ==> fun(|p|arm1[], parm2) fun(array[], par|m|1) ==> fun(|p|arm1, array[]) fun(b,|a|) ==> fun(|a|,b) A useful, however unexpected by the author, feature of this script is that on pressing j to move cursor to the line below, the cursor is restored to the column position before the swap. This allows for a streamlined swaping of parameters in the case like this: fun(arg2, arg1) fun(arg2, arg1) fun(arg2, arg1) You would put cursor on arg2, and type gsjgsjgs

install details

To install put the script file into plugin directory.

Click on the package to download.

package	script version	date	Vim version	user	release notes
swap_parameters.vim	1.1.3	2008-03-07	7.0	Kamil Dworakowski	now it is even more robust
swap_parameters.vim	1.1.2	2008-02-07	7.0	Kamil Dworakowski	A yet another defect fixes release.
swap_parameters.vim	1.1.1	2008-01-29	7.0	Kamil Dworakowski	Now also swap imports: from os import |p|open, path --> from os import path, pope|n|
swap_parameters.vim	1.1	2008-01-19	7.0	Kamil Dworakowski	Now the script will also cope with coma separated list that is not enclosed in brackets, which is common in Python code. for |a|, b in some_dict.items()  -->    for b, |a| in some_dict.items() Moreover, I have made the code (with full suite of tests) available on code.google.com. Link is on my blog: http://blog.kamil.dworakowski.name/2008/01/smarter-swap-parameters-for-vim.html.
swap_parameters.vim	1.0	2007-09-28	7.0	Kamil Dworakowski	Initial upload

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