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Diffstat (limited to 'vim73/indent/falcon.vim')
| -rw-r--r-- | vim73/indent/falcon.vim | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/vim73/indent/falcon.vim b/vim73/indent/falcon.vim new file mode 100644 index 0000000..933eb61 --- /dev/null +++ b/vim73/indent/falcon.vim @@ -0,0 +1,156 @@ +" Vim indent file +" Language: Falcon +" Maintainer: Steven Oliver <oliver.steven@gmail.com> +" Website: https://steveno@github.com/steveno/falconpl-vim.git +" Credits: Thanks to the ruby.vim authors, I borrow a lot! +" Previous Maintainer: Brent A. Fulgham <bfulgham@debian.org> +" ----------------------------------------------------------- +" GetLatestVimScripts: 2752 1 :AutoInstall: falcon.vim + +"====================================== +" SETUP +"====================================== + +" Only load this indent file when no other was loaded. +if exists("b:did_indent") + finish +endif +let b:did_indent = 1 + +setlocal nosmartindent + +" Setup indent function and when to use it +setlocal indentexpr=FalconGetIndent() +setlocal indentkeys=0{,0},0),0],!^F,o,O,e +setlocal indentkeys+==~case,=~catch,=~default,=~elif,=~else,=~end,=~\" + +" Define the appropriate indent function but only once +if exists("*FalconGetIndent") + finish +endif + +let s:cpo_save = &cpo +set cpo&vim + +"====================================== +" VARIABLES +"====================================== + +" Regex of syntax group names that are strings AND comments +let s:syng_strcom = '\<falcon\%(String\|StringEscape\|Comment\)\>' + +" Regex of syntax group names that are strings +let s:syng_string = '\<falcon\%(String\|StringEscape\)\>' + +" Keywords to indent on +let s:falcon_indent_keywords = '^\s*\(case\|catch\|class\|enum\|default\|elif\|else' . + \ '\|for\|function\|if.*"[^"]*:.*"\|if \(\(:\)\@!.\)*$\|loop\|object\|select' . + \ '\|switch\|try\|while\|\w*\s*=\s*\w*([$\)' + +" Keywords to deindent on +let s:falcon_deindent_keywords = '^\s*\(case\|catch\|default\|elif\|else\|end\)' + +"====================================== +" FUNCTIONS +"====================================== + +" Check if the character at lnum:col is inside a string +function s:IsInStringOrComment(lnum, col) + return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_strcom +endfunction + +"====================================== +" INDENT ROUTINE +"====================================== + +function FalconGetIndent() + " Get the line to be indented + let cline = getline(v:lnum) + + " Don't reindent comments on first column + if cline =~ '^\/\/' + return 0 + endif + + " Find the previous non-blank line + let lnum = prevnonblank(v:lnum - 1) + + " Use zero indent at the top of the file + if lnum == 0 + return 0 + endif + + let prevline=getline(lnum) + let ind = indent(lnum) + let chg = 0 + + " If we are in a multi-line string or line-comment, don't do anything + if s:IsInStringOrComment(v:lnum, matchend(cline, '^\s*') + 1 ) + return indent('.') + endif + + " If the start of the line equals a double quote, then indent to the + " previous lines first double quote + if cline =~? '^\s*"' + let chg = chg + &sw + endif + + " If previous line started with a double quote and this one + " doesn't, unindent + if prevline =~? '^\s*"' && cline =~? '^\s*' + let chg = chg - &sw + endif + + " Indent if proper keyword + if prevline =~? s:falcon_indent_keywords + let chg = &sw + " If previous line opened a parenthesis, and did not close it, indent + elseif prevline =~ '^.*(\s*[^)]*\((.*)\)*[^)]*$' + " Make sure this isn't just a function split between two lines + if prevline =~ ',\s*$' + return indent(prevnonblank(v:lnum - 1)) + &sw + else + return match(prevline, '(.*\((.*)\|[^)]\)*.*$') + 1 + endif + elseif prevline =~ '^[^(]*)\s*$' + " This line closes a parenthesis. Finds opening. + let curr_line = prevnonblank(lnum - 1) + while curr_line >= 0 + let str = getline(curr_line) + if str !~ '^.*(\s*[^)]*\((.*)\)*[^)]*$' + let curr_line = prevnonblank(curr_line - 1) + else + break + endif + endwhile + if curr_line < 0 + return -1 + endif + let ind = indent(curr_line) + endif + + " If previous line ends in a semi-colon reset indent to previous + " lines setting + if prevline =~? ';\s*$' && prevnonblank(prevline) =~? ',\s*$' + return chg = chg - (2 * &sw) + endif + + " If previous line ended in a comma, indent again + if prevline =~? ',\s*$' + let chg = chg + &sw + endif + + " If previous line ended in a =>, indent again + if prevline =~? '=>\s*$' + let chg = chg + &sw + endif + + " Deindent on proper keywords + if cline =~? s:falcon_deindent_keywords + let chg = chg - &sw + endif + + return ind + chg +endfunction + +" vim: set sw=4 sts=4 et tw=80 : |