" IDL (Interactive Data Language) indent file. " Language: IDL (ft=idlang) " Last change: 2012 May 18 " Maintainer: Aleksandar Jelenak " Only load this indent file when no other was loaded. if exists("b:did_indent") finish endif let b:did_indent = 1 setlocal indentkeys=o,O,0=endif,0=ENDIF,0=endelse,0=ENDELSE,0=endwhile,0=ENDWHILE,0=endfor,0=ENDFOR,0=endrep,0=ENDREP setlocal indentexpr=GetIdlangIndent(v:lnum) " Only define the function once. if exists("*GetIdlangIndent") finish endif function GetIdlangIndent(lnum) " First non-empty line above the current line. let pnum = prevnonblank(v:lnum-1) " v:lnum is the first non-empty line -- zero indent. if pnum == 0 return 0 endif " Second non-empty line above the current line. let pnum2 = prevnonblank(pnum-1) " Current indent. let curind = indent(pnum) " Indenting of continued lines. if getline(pnum) =~ '\$\s*\(;.*\)\=$' if getline(pnum2) !~ '\$\s*\(;.*\)\=$' let curind = curind+&sw endif else if getline(pnum2) =~ '\$\s*\(;.*\)\=$' let curind = curind-&sw endif endif " Indenting blocks of statements. if getline(v:lnum) =~? '^\s*\(endif\|endelse\|endwhile\|endfor\|endrep\)\>' if getline(pnum) =~? 'begin\>' elseif indent(v:lnum) > curind-&sw let curind = curind-&sw else return -1 endif elseif getline(pnum) =~? 'begin\>' if indent(v:lnum) < curind+&sw let curind = curind+&sw else return -1 endif endif return curind endfunction