vim-polyglot/syntax/octave.vim

if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'octave') != -1
  finish
endif

" Vim syntax file
" Language:             Octave
" Maintainer:           Rik <rik@nomad.inbox5.com>
" Original Maintainers: Jaroslav Hajek <highegg@gmail.com>
"                       Francisco Castro <fcr@adinet.com.uy>
"                       Preben 'Peppe' Guldberg <peppe-vim@wielders.org>
" Original Author: Mario Eusebio
" Last Change: 07 Jun 2011
" Syntax matched to Octave Release: 3.4.0
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
if version < 600
  syntax clear
elseif exists("b:current_syntax")
  finish
endif

" Use case sensitive matching of keywords
syn case match

" Stop keywords embedded in structures from lighting up
" For example, mystruct.length = 1 should not highlight length.
" WARNING: beginning of word pattern \< will no longer match '.'
setlocal iskeyword +=.

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Syntax group definitions for Octave
syn keyword octaveBeginKeyword  for function if switch try unwind_protect while
syn keyword octaveBeginKeyword  do
syn keyword octaveEndKeyword    end endfor endfunction endif endswitch
syn keyword octaveEndKeyword    end_try_catch end_unwind_protect endwhile until
syn keyword octaveElseKeyword   case catch else elseif otherwise
syn keyword octaveElseKeyword   unwind_protect_cleanup

syn keyword octaveStatement  break continue global persistent return

syn keyword octaveReserved  __FILE__ __LINE__ classdef endclassdef endevents
syn keyword octaveReserved  endmethods endproperties events methods properties
syn keyword octaveReserved  static

" List of commands (these don't require a parenthesis to invoke)
syn keyword octaveCommand contained  cd chdir clear close dbcont dbquit dbstep
syn keyword octaveCommand contained  demo diary doc echo edit edit_history
syn keyword octaveCommand contained  example format help history hold ishold
syn keyword octaveCommand contained  load lookfor ls mkoctfile more pkg run
syn keyword octaveCommand contained  run_history save shg test type what which
syn keyword octaveCommand contained  who whos

" List of functions which set internal variables
syn keyword octaveSetVarFun contained  EDITOR EXEC_PATH F_SETFD F_SETFL I
syn keyword octaveSetVarFun contained  IMAGE_PATH Inf J NA NaN O_APPEND O_ASYNC
syn keyword octaveSetVarFun contained  PAGER PAGER_FLAGS PS1 PS2 PS4
syn keyword octaveSetVarFun contained  __error_text__
syn keyword octaveSetVarFun contained  allow_noninteger_range_as_index ans argv
syn keyword octaveSetVarFun contained  beep_on_error completion_append_char
syn keyword octaveSetVarFun contained  confirm_recursive_rmdir
syn keyword octaveSetVarFun contained  crash_dumps_octave_core debug_on_error
syn keyword octaveSetVarFun contained  debug_on_interrupt debug_on_warning
syn keyword octaveSetVarFun contained  default_save_options
syn keyword octaveSetVarFun contained  do_braindead_shortcircuit_evaluation
syn keyword octaveSetVarFun contained  doc_cache_file e echo_executing_commands
syn keyword octaveSetVarFun contained  eps error_text false filemarker
syn keyword octaveSetVarFun contained  fixed_point_format gnuplot_binary
syn keyword octaveSetVarFun contained  gui_mode history_control history_file
syn keyword octaveSetVarFun contained  history_size
syn keyword octaveSetVarFun contained  history_timestamp_format_string i
syn keyword octaveSetVarFun contained  ignore_function_time_stamp inf info_file
syn keyword octaveSetVarFun contained  info_program j ls_command
syn keyword octaveSetVarFun contained  makeinfo_program max_recursion_depth
syn keyword octaveSetVarFun contained  missing_function_hook mouse_wheel_zoom
syn keyword octaveSetVarFun contained  nan nargin nargout octave_core_file_limit
syn keyword octaveSetVarFun contained  octave_core_file_name
syn keyword octaveSetVarFun contained  octave_core_file_options
syn keyword octaveSetVarFun contained  optimize_subsasgn_calls
syn keyword octaveSetVarFun contained  output_max_field_width output_precision
syn keyword octaveSetVarFun contained  page_output_immediately
syn keyword octaveSetVarFun contained  page_screen_output pathsep pi
syn keyword octaveSetVarFun contained  print_empty_dimensions
syn keyword octaveSetVarFun contained  print_struct_array_contents
syn keyword octaveSetVarFun contained  program_invocation_name program_name
syn keyword octaveSetVarFun contained  realmax realmin
syn keyword octaveSetVarFun contained  save_header_format_string save_precision
syn keyword octaveSetVarFun contained  saving_history sighup_dumps_octave_core
syn keyword octaveSetVarFun contained  sigterm_dumps_octave_core
syn keyword octaveSetVarFun contained  silent_functions sparse_auto_mutate
syn keyword octaveSetVarFun contained  split_long_rows string_fill_char
syn keyword octaveSetVarFun contained  struct_levels_to_print
syn keyword octaveSetVarFun contained  suppress_verbose_help_message svd_driver
syn keyword octaveSetVarFun contained  true whos_line_format

" List of functions which query internal variables
" Excluded i,j from list above because they are often used as loop variables
" They will be highlighted appropriately by the rule which matches numbers
syn keyword octaveVariable contained  EDITOR EXEC_PATH F_SETFD F_SETFL I
syn keyword octaveVariable contained  IMAGE_PATH Inf J NA NaN O_APPEND O_ASYNC
syn keyword octaveVariable contained  PAGER PAGER_FLAGS PS1 PS2 PS4
syn keyword octaveVariable contained  __error_text__
syn keyword octaveVariable contained  allow_noninteger_range_as_index ans argv
syn keyword octaveVariable contained  beep_on_error completion_append_char
syn keyword octaveVariable contained  confirm_recursive_rmdir
syn keyword octaveVariable contained  crash_dumps_octave_core debug_on_error
syn keyword octaveVariable contained  debug_on_interrupt debug_on_warning
syn keyword octaveVariable contained  default_save_options
syn keyword octaveVariable contained  do_braindead_shortcircuit_evaluation
syn keyword octaveVariable contained  doc_cache_file e echo_executing_commands
syn keyword octaveVariable contained  eps error_text false filemarker
syn keyword octaveVariable contained  fixed_point_format gnuplot_binary
syn keyword octaveVariable contained  gui_mode history_control history_file
syn keyword octaveVariable contained  history_size
syn keyword octaveVariable contained  history_timestamp_format_string
syn keyword octaveVariable contained  ignore_function_time_stamp inf info_file
syn keyword octaveVariable contained  info_program ls_command
syn keyword octaveVariable contained  makeinfo_program max_recursion_depth
syn keyword octaveVariable contained  missing_function_hook mouse_wheel_zoom
syn keyword octaveVariable contained  nan nargin nargout octave_core_file_limit
syn keyword octaveVariable contained  octave_core_file_name
syn keyword octaveVariable contained  octave_core_file_options
syn keyword octaveVariable contained  optimize_subsasgn_calls
syn keyword octaveVariable contained  output_max_field_width output_precision
syn keyword octaveVariable contained  page_output_immediately
syn keyword octaveVariable contained  page_screen_output pathsep pi
syn keyword octaveVariable contained  print_empty_dimensions
syn keyword octaveVariable contained  print_struct_array_contents
syn keyword octaveVariable contained  program_invocation_name program_name
syn keyword octaveVariable contained  realmax realmin
syn keyword octaveVariable contained  save_header_format_string save_precision
syn keyword octaveVariable contained  saving_history sighup_dumps_octave_core
syn keyword octaveVariable contained  sigterm_dumps_octave_core
syn keyword octaveVariable contained  silent_functions sparse_auto_mutate
syn keyword octaveVariable contained  split_long_rows string_fill_char
syn keyword octaveVariable contained  struct_levels_to_print
syn keyword octaveVariable contained  suppress_verbose_help_message svd_driver
syn keyword octaveVariable contained  true whos_line_format

" Read-only variables
syn keyword octaveVariable contained  F_DUPFD F_GETFD F_GETFL OCTAVE_HOME
syn keyword octaveVariable contained  OCTAVE_VERSION O_CREAT O_EXCL O_NONBLOCK
syn keyword octaveVariable contained  O_RDONLY O_RDWR O_SYNC O_TRUNC O_WRONLY
syn keyword octaveVariable contained  P_tmpdir SEEK_CUR SEEK_END SEEK_SET
syn keyword octaveVariable contained  WCONTINUE WCOREDUMP WEXITSTATUS
syn keyword octaveVariable contained  WIFCONTINUED WIFEXITED WIFSIGNALED
syn keyword octaveVariable contained  WIFSTOPPED WNOHANG WSTOPSIG WTERMSIG
syn keyword octaveVariable contained  WUNTRACED matlabroot pwd stderr stdin
syn keyword octaveVariable contained  stdout

" List of functions
syn keyword octaveFunction contained  SIG S_ISBLK S_ISCHR S_ISDIR S_ISFIFO
syn keyword octaveFunction contained  S_ISLNK S_ISREG S_ISSOCK
syn keyword octaveFunction contained  __accumarray_max__ __accumarray_min__
syn keyword octaveFunction contained  __accumarray_sum__ __accumdim_sum__
syn keyword octaveFunction contained  __all_opts__ __builtins__
syn keyword octaveFunction contained  __calc_dimensions__ __contourc__
syn keyword octaveFunction contained  __current_scope__ __delaunayn__
syn keyword octaveFunction contained  __dispatch__ __display_tokens__
syn keyword octaveFunction contained  __dsearchn__ __dump_symtab_info__ __end__
syn keyword octaveFunction contained  __finish__ __fltk_ginput__
syn keyword octaveFunction contained  __fltk_maxtime__ __fltk_print__
syn keyword octaveFunction contained  __fltk_redraw__ __fltk_uigetfile__
syn keyword octaveFunction contained  __ftp__ __ftp_ascii__ __ftp_binary__
syn keyword octaveFunction contained  __ftp_close__ __ftp_cwd__ __ftp_delete__
syn keyword octaveFunction contained  __ftp_dir__ __ftp_mget__ __ftp_mkdir__
syn keyword octaveFunction contained  __ftp_mode__ __ftp_mput__ __ftp_pwd__
syn keyword octaveFunction contained  __ftp_rename__ __ftp_rmdir__ __get__
syn keyword octaveFunction contained  __glpk__ __gnuplot_drawnow__
syn keyword octaveFunction contained  __gnuplot_get_var__ __gnuplot_ginput__
syn keyword octaveFunction contained  __gnuplot_has_feature__
syn keyword octaveFunction contained  __gnuplot_open_stream__ __gnuplot_print__
syn keyword octaveFunction contained  __gnuplot_version__ __go_axes__
syn keyword octaveFunction contained  __go_axes_init__ __go_close_all__
syn keyword octaveFunction contained  __go_delete__ __go_draw_axes__
syn keyword octaveFunction contained  __go_draw_figure__
syn keyword octaveFunction contained  __go_execute_callback__ __go_figure__
syn keyword octaveFunction contained  __go_figure_handles__ __go_handles__
syn keyword octaveFunction contained  __go_hggroup__ __go_image__ __go_line__
syn keyword octaveFunction contained  __go_patch__ __go_surface__ __go_text__
syn keyword octaveFunction contained  __go_uimenu__ __gud_mode__
syn keyword octaveFunction contained  __image_pixel_size__ __init_fltk__
syn keyword octaveFunction contained  __isa_parent__ __keywords__
syn keyword octaveFunction contained  __lexer_debug_flag__ __lin_interpn__
syn keyword octaveFunction contained  __list_functions__ __magick_finfo__
syn keyword octaveFunction contained  __magick_format_list__ __magick_read__
syn keyword octaveFunction contained  __magick_write__ __makeinfo__
syn keyword octaveFunction contained  __marching_cube__ __next_line_color__
syn keyword octaveFunction contained  __next_line_style__ __operators__
syn keyword octaveFunction contained  __parent_classes__ __parser_debug_flag__
syn keyword octaveFunction contained  __pathorig__ __pchip_deriv__
syn keyword octaveFunction contained  __plt_get_axis_arg__ __print_parse_opts__
syn keyword octaveFunction contained  __qp__ __remove_fltk__
syn keyword octaveFunction contained  __request_drawnow__ __sort_rows_idx__
syn keyword octaveFunction contained  __strip_html_tags__ __token_count__
syn keyword octaveFunction contained  __varval__ __version_info__ __voronoi__
syn keyword octaveFunction contained  __which__ abs accumarray accumdim acos
syn keyword octaveFunction contained  acosd acosh acot acotd acoth acsc acscd
syn keyword octaveFunction contained  acsch add_input_event_hook addlistener
syn keyword octaveFunction contained  addpath addproperty addtodate airy all
syn keyword octaveFunction contained  allchild amd ancestor and angle anova any
syn keyword octaveFunction contained  arch_fit arch_rnd arch_test area arg
syn keyword octaveFunction contained  argnames arma_rnd arrayfun asctime asec
syn keyword octaveFunction contained  asecd asech asin asind asinh assert
syn keyword octaveFunction contained  assignin atan atan2 atand atanh atexit
syn keyword octaveFunction contained  autocor autocov autoload autoreg_matrix
syn keyword octaveFunction contained  autumn available_graphics_toolkits axes
syn keyword octaveFunction contained  axis balance bar barh bartlett
syn keyword octaveFunction contained  bartlett_test base2dec beep bessel
syn keyword octaveFunction contained  besselh besseli besselj besselk bessely
syn keyword octaveFunction contained  beta betacdf betai betainc betainv betaln
syn keyword octaveFunction contained  betapdf betarnd bicgstab bicubic bin2dec
syn keyword octaveFunction contained  bincoeff binocdf binoinv binopdf binornd
syn keyword octaveFunction contained  bitand bitcmp bitget bitmax bitor bitpack
syn keyword octaveFunction contained  bitset bitshift bitunpack bitxor blackman
syn keyword octaveFunction contained  blanks blkdiag blkmm bone box brighten
syn keyword octaveFunction contained  bsxfun bug_report builtin bunzip2 bzip2
syn keyword octaveFunction contained  calendar canonicalize_file_name cart2pol
syn keyword octaveFunction contained  cart2sph cast cat cauchy_cdf cauchy_inv
syn keyword octaveFunction contained  cauchy_pdf cauchy_rnd caxis cbrt ccolamd
syn keyword octaveFunction contained  ceil cell cell2mat cell2struct celldisp
syn keyword octaveFunction contained  cellfun cellidx cellindexmat cellslices
syn keyword octaveFunction contained  cellstr center cgs char chi2cdf chi2inv
syn keyword octaveFunction contained  chi2pdf chi2rnd
syn keyword octaveFunction contained  chisquare_test_homogeneity
syn keyword octaveFunction contained  chisquare_test_independence chol chol2inv
syn keyword octaveFunction contained  choldelete cholinsert cholinv cholshift
syn keyword octaveFunction contained  cholupdate chop circshift cla clabel
syn keyword octaveFunction contained  class clc clf clg clock cloglog closereq
syn keyword octaveFunction contained  colamd colloc colon colorbar colormap
syn keyword octaveFunction contained  colperm colstyle columns comet comet3
syn keyword octaveFunction contained  comma command_line_path common_size
syn keyword octaveFunction contained  commutation_matrix compan
syn keyword octaveFunction contained  compare_versions compass complement
syn keyword octaveFunction contained  completion_matches complex computer cond
syn keyword octaveFunction contained  condest conj contour contour3 contourc
syn keyword octaveFunction contained  contourf contrast conv conv2 convhull
syn keyword octaveFunction contained  convhulln convn cool copper copyfile cor
syn keyword octaveFunction contained  cor_test corrcoef cos cosd cosh cot cotd
syn keyword octaveFunction contained  coth cov cplxpair cputime cquad
syn keyword octaveFunction contained  create_set cross csc cscd csch cstrcat
syn keyword octaveFunction contained  csvread csvwrite csymamd ctime ctranspose
syn keyword octaveFunction contained  cummax cummin cumprod cumsum cumtrapz
syn keyword octaveFunction contained  curl cut cylinder daspect daspk
syn keyword octaveFunction contained  daspk_options dasrt dasrt_options dassl
syn keyword octaveFunction contained  dassl_options date datenum datestr
syn keyword octaveFunction contained  datetick datevec dbclear dbdown dblquad
syn keyword octaveFunction contained  dbnext dbstack dbstatus dbstop dbtype
syn keyword octaveFunction contained  dbup dbwhere deal deblank debug dec2base
syn keyword octaveFunction contained  dec2bin dec2hex deconv del2 delaunay
syn keyword octaveFunction contained  delaunay3 delaunayn delete dellistener
syn keyword octaveFunction contained  det detrend diag diff diffpara diffuse
syn keyword octaveFunction contained  dir discrete_cdf discrete_inv
syn keyword octaveFunction contained  discrete_pdf discrete_rnd disp dispatch
syn keyword octaveFunction contained  display divergence dlmread dlmwrite
syn keyword octaveFunction contained  dmperm dmult do_string_escapes dos dot
syn keyword octaveFunction contained  double drawnow dsearch dsearchn
syn keyword octaveFunction contained  dump_prefs dup2 duplication_matrix
syn keyword octaveFunction contained  durbinlevinson eig eigs ellipsoid
syn keyword octaveFunction contained  empirical_cdf empirical_inv empirical_pdf
syn keyword octaveFunction contained  empirical_rnd endgrent endpwent eomday eq
syn keyword octaveFunction contained  erf erfc erfcx erfinv errno errno_list
syn keyword octaveFunction contained  error errorbar etime etree etreeplot eval
syn keyword octaveFunction contained  evalin exec exist exit exp expcdf expinv
syn keyword octaveFunction contained  expm expm1 exppdf exprnd eye ezcontour
syn keyword octaveFunction contained  ezcontourf ezmesh ezmeshc ezplot ezplot3
syn keyword octaveFunction contained  ezpolar ezsurf ezsurfc f_test_regression
syn keyword octaveFunction contained  factor factorial fail fcdf fclear fclose
syn keyword octaveFunction contained  fcntl fdisp feather feof ferror feval
syn keyword octaveFunction contained  fflush fft fft2 fftconv fftfilt fftn
syn keyword octaveFunction contained  fftshift fftw fgetl fgets fieldnames
syn keyword octaveFunction contained  figure file_in_loadpath file_in_path
syn keyword octaveFunction contained  fileattrib fileparts fileread filesep
syn keyword octaveFunction contained  fill filter filter2 find find_dir_in_path
syn keyword octaveFunction contained  findall findobj findstr finite finv fix
syn keyword octaveFunction contained  flag flipdim fliplr flipud floor fminbnd
syn keyword octaveFunction contained  fminunc fmod fnmatch fopen fork formula
syn keyword octaveFunction contained  fpdf fplot fprintf fputs fractdiff fread
syn keyword octaveFunction contained  freport freqz freqz_plot frewind frnd
syn keyword octaveFunction contained  fscanf fseek fskipl fsolve fstat ftell
syn keyword octaveFunction contained  full fullfile func2str functions fwrite
syn keyword octaveFunction contained  fzero gamcdf gaminv gamma gammai gammainc
syn keyword octaveFunction contained  gammaln gampdf gamrnd gca gcbf gcbo gcd
syn keyword octaveFunction contained  gcf ge gen_doc_cache genpath genvarname
syn keyword octaveFunction contained  geocdf geoinv geopdf geornd get
syn keyword octaveFunction contained  get_first_help_sentence get_help_text
syn keyword octaveFunction contained  get_help_text_from_file getappdata
syn keyword octaveFunction contained  getegid getenv geteuid getfield getgid
syn keyword octaveFunction contained  getgrent getgrgid getgrnam gethostname
syn keyword octaveFunction contained  getpgrp getpid getppid getpwent getpwnam
syn keyword octaveFunction contained  getpwuid getrusage getuid ginput givens
syn keyword octaveFunction contained  glob glpk glpkmex gls gmap40 gmres gmtime
syn keyword octaveFunction contained  gplot gradient graphics_toolkit gray
syn keyword octaveFunction contained  gray2ind grid griddata griddata3
syn keyword octaveFunction contained  griddatan gt gtext gunzip gzip hadamard
syn keyword octaveFunction contained  hamming hankel hanning hess hex2dec
syn keyword octaveFunction contained  hex2num hggroup hidden hilb hist histc
syn keyword octaveFunction contained  home horzcat hot hotelling_test
syn keyword octaveFunction contained  hotelling_test_2 housh hsv hsv2rgb hurst
syn keyword octaveFunction contained  hygecdf hygeinv hygepdf hygernd hypot
syn keyword octaveFunction contained  idivide ifelse ifft ifft2 ifftn ifftshift
syn keyword octaveFunction contained  imag image imagesc imfinfo imread imshow
syn keyword octaveFunction contained  imwrite ind2gray ind2rgb ind2sub index
syn keyword octaveFunction contained  inferiorto info inline inpolygon input
syn keyword octaveFunction contained  inputname int16 int2str int32 int64 int8
syn keyword octaveFunction contained  interp1 interp1q interp2 interp3 interpft
syn keyword octaveFunction contained  interpn intersect intmax intmin
syn keyword octaveFunction contained  intwarning inv inverse invhilb ipermute
syn keyword octaveFunction contained  iqr is_absolute_filename
syn keyword octaveFunction contained  is_duplicate_entry is_global is_leap_year
syn keyword octaveFunction contained  is_rooted_relative_filename
syn keyword octaveFunction contained  is_valid_file_id isa isalnum isalpha
syn keyword octaveFunction contained  isappdata isargout isascii isbool iscell
syn keyword octaveFunction contained  iscellstr ischar iscntrl iscolumn
syn keyword octaveFunction contained  iscommand iscomplex isdebugmode
syn keyword octaveFunction contained  isdefinite isdeployed isdigit isdir
syn keyword octaveFunction contained  isempty isequal isequalwithequalnans
syn keyword octaveFunction contained  isfield isfigure isfinite isfloat
syn keyword octaveFunction contained  isglobal isgraph ishandle ishermitian
syn keyword octaveFunction contained  ishghandle isieee isindex isinf isinteger
syn keyword octaveFunction contained  iskeyword isletter islogical islower
syn keyword octaveFunction contained  ismac ismatrix ismember ismethod isna
syn keyword octaveFunction contained  isnan isnull isnumeric isobject isocolors
syn keyword octaveFunction contained  isonormals isosurface ispc isprime
syn keyword octaveFunction contained  isprint isprop ispunct israwcommand
syn keyword octaveFunction contained  isreal isrow isscalar issorted isspace
syn keyword octaveFunction contained  issparse issquare isstr isstrprop
syn keyword octaveFunction contained  isstruct issymmetric isunix isupper
syn keyword octaveFunction contained  isvarname isvector isxdigit jet kbhit
syn keyword octaveFunction contained  kendall keyboard kill
syn keyword octaveFunction contained  kolmogorov_smirnov_cdf
syn keyword octaveFunction contained  kolmogorov_smirnov_test
syn keyword octaveFunction contained  kolmogorov_smirnov_test_2 kron
syn keyword octaveFunction contained  kruskal_wallis_test krylov krylovb
syn keyword octaveFunction contained  kurtosis laplace_cdf laplace_inv
syn keyword octaveFunction contained  laplace_pdf laplace_rnd lasterr lasterror
syn keyword octaveFunction contained  lastwarn lchol lcm ldivide le legend
syn keyword octaveFunction contained  legendre length lgamma license lin2mu
syn keyword octaveFunction contained  line link linkprop linspace
syn keyword octaveFunction contained  list_in_columns list_primes loadaudio
syn keyword octaveFunction contained  loadimage loadobj localtime log log10
syn keyword octaveFunction contained  log1p log2 logical logistic_cdf
syn keyword octaveFunction contained  logistic_inv logistic_pdf
syn keyword octaveFunction contained  logistic_regression logistic_rnd logit
syn keyword octaveFunction contained  loglog loglogerr logm logncdf logninv
syn keyword octaveFunction contained  lognpdf lognrnd logspace lookup lower
syn keyword octaveFunction contained  lsode lsode_options lsqnonneg lstat lt lu
syn keyword octaveFunction contained  luinc luupdate magic mahalanobis
syn keyword octaveFunction contained  make_absolute_filename manova
syn keyword octaveFunction contained  mark_as_command mark_as_rawcommand
syn keyword octaveFunction contained  mat2cell mat2str matrix_type max
syn keyword octaveFunction contained  mcnemar_test md5sum mean meansq median
syn keyword octaveFunction contained  menu merge mesh meshc meshgrid meshz
syn keyword octaveFunction contained  methods mex mexext mfilename mgorth min
syn keyword octaveFunction contained  minus mislocked mkdir mkfifo mkpp mkstemp
syn keyword octaveFunction contained  mktime mldivide mlock mod mode moment
syn keyword octaveFunction contained  movefile mpoles mpower mrdivide mtimes
syn keyword octaveFunction contained  mu2lin munlock namelengthmax nargchk
syn keyword octaveFunction contained  nargoutchk native_float_format nbincdf
syn keyword octaveFunction contained  nbininv nbinpdf nbinrnd nchoosek ndgrid
syn keyword octaveFunction contained  ndims ne newplot news nextpow2 nfields
syn keyword octaveFunction contained  nnz nonzeros norm normcdf normest norminv
syn keyword octaveFunction contained  normpdf normrnd not now nproc nth_element
syn keyword octaveFunction contained  nthroot ntsc2rgb null num2cell num2hex
syn keyword octaveFunction contained  num2str numel nzmax ocean
syn keyword octaveFunction contained  octave_config_info octave_tmp_file_name
syn keyword octaveFunction contained  ols onCleanup onenormest ones optimget
syn keyword octaveFunction contained  optimset or orderfields orient orth pack
syn keyword octaveFunction contained  paren pareto parseparams pascal patch
syn keyword octaveFunction contained  path pathdef pause pbaspect pcg pchip
syn keyword octaveFunction contained  pclose pcolor pcr peaks periodogram perl
syn keyword octaveFunction contained  perms permute perror pie pie3 pink pinv
syn keyword octaveFunction contained  pipe planerot playaudio plot plot3
syn keyword octaveFunction contained  plotmatrix plotyy plus poisscdf poissinv
syn keyword octaveFunction contained  poisspdf poissrnd pol2cart polar poly
syn keyword octaveFunction contained  polyaffine polyarea polyder polyderiv
syn keyword octaveFunction contained  polyfit polygcd polyint polyout
syn keyword octaveFunction contained  polyreduce polyval polyvalm popen popen2
syn keyword octaveFunction contained  postpad pow2 power powerset ppder ppint
syn keyword octaveFunction contained  ppjumps ppplot ppval pqpnonneg prctile
syn keyword octaveFunction contained  prepad primes print print_usage printf
syn keyword octaveFunction contained  prism probit prod prop_test_2 putenv puts
syn keyword octaveFunction contained  qp qqplot qr qrdelete qrinsert qrshift
syn keyword octaveFunction contained  qrupdate quad quad_options quadcc quadgk
syn keyword octaveFunction contained  quadl quadv quantile quit quiver quiver3
syn keyword octaveFunction contained  qz qzhess rainbow rand rande randg randi
syn keyword octaveFunction contained  randn randp randperm range rank ranks rat
syn keyword octaveFunction contained  rats rcond rdivide
syn keyword octaveFunction contained  re_read_readline_init_file
syn keyword octaveFunction contained  read_readline_init_file readdir readlink
syn keyword octaveFunction contained  real reallog realpow realsqrt record
syn keyword octaveFunction contained  rectangle rectint refresh refreshdata
syn keyword octaveFunction contained  regexp regexpi regexprep regexptranslate
syn keyword octaveFunction contained  rehash rem remove_input_event_hook rename
syn keyword octaveFunction contained  repelems replot repmat reset reshape
syn keyword octaveFunction contained  residue resize restoredefaultpath rethrow
syn keyword octaveFunction contained  rgb2hsv rgb2ind rgb2ntsc ribbon rindex
syn keyword octaveFunction contained  rmappdata rmdir rmfield rmpath roots rose
syn keyword octaveFunction contained  rosser rot90 rotdim round roundb rows
syn keyword octaveFunction contained  rref rsf2csf run_count run_test rundemos
syn keyword octaveFunction contained  runlength runtests saveas saveaudio
syn keyword octaveFunction contained  saveimage saveobj savepath scanf scatter
syn keyword octaveFunction contained  scatter3 schur sec secd sech semicolon
syn keyword octaveFunction contained  semilogx semilogxerr semilogy semilogyerr
syn keyword octaveFunction contained  set setappdata setaudio setdiff setenv
syn keyword octaveFunction contained  setfield setgrent setpwent setstr setxor
syn keyword octaveFunction contained  shading shell_cmd shift shiftdim sign
syn keyword octaveFunction contained  sign_test sin sinc sind sinetone sinewave
syn keyword octaveFunction contained  single sinh size size_equal sizemax
syn keyword octaveFunction contained  sizeof skewness sleep slice sombrero sort
syn keyword octaveFunction contained  sortrows source spalloc sparse spatan2
syn keyword octaveFunction contained  spaugment spchol spchol2inv spcholinv
syn keyword octaveFunction contained  spconvert spcumprod spcumsum spdet spdiag
syn keyword octaveFunction contained  spdiags spearman spectral_adf
syn keyword octaveFunction contained  spectral_xdf specular speed spencer speye
syn keyword octaveFunction contained  spfind spfun sph2cart sphcat sphere
syn keyword octaveFunction contained  spinmap spinv spkron splchol spline split
syn keyword octaveFunction contained  splu spmax spmin spones spparms spprod
syn keyword octaveFunction contained  spqr sprand sprandn sprandsym sprank
syn keyword octaveFunction contained  spring sprintf spstats spsum spsumsq
syn keyword octaveFunction contained  spvcat spy sqp sqrt sqrtm squeeze sscanf
syn keyword octaveFunction contained  stairs stat statistics std stdnormal_cdf
syn keyword octaveFunction contained  stdnormal_inv stdnormal_pdf stdnormal_rnd
syn keyword octaveFunction contained  stem stem3 stft str2double str2func
syn keyword octaveFunction contained  str2mat str2num strcat strchr strcmp
syn keyword octaveFunction contained  strcmpi strerror strfind strftime strjust
syn keyword octaveFunction contained  strmatch strncmp strncmpi strptime
syn keyword octaveFunction contained  strread strrep strsplit strtok strtrim
syn keyword octaveFunction contained  strtrunc struct struct2cell structfun
syn keyword octaveFunction contained  strvcat studentize sub2ind subplot
syn keyword octaveFunction contained  subsasgn subsindex subspace subsref
syn keyword octaveFunction contained  substr substruct sum summer sumsq
syn keyword octaveFunction contained  superiorto surf surface surfc surfl
syn keyword octaveFunction contained  surfnorm svd svds swapbytes syl
syn keyword octaveFunction contained  sylvester_matrix symamd symbfact symlink
syn keyword octaveFunction contained  symrcm symvar synthesis system t_test
syn keyword octaveFunction contained  t_test_2 t_test_regression table tan tand
syn keyword octaveFunction contained  tanh tar tcdf tempdir tempname
syn keyword octaveFunction contained  terminal_size text textread textscan tic
syn keyword octaveFunction contained  tilde_expand time times tinv title
syn keyword octaveFunction contained  tmpfile tmpnam toascii toc toeplitz
syn keyword octaveFunction contained  tolower toupper tpdf trace transpose
syn keyword octaveFunction contained  trapz treelayout treeplot tril trimesh
syn keyword octaveFunction contained  triplequad triplot trisurf triu trnd
syn keyword octaveFunction contained  tsearch tsearchn typecast typeinfo u_test
syn keyword octaveFunction contained  uigetdir uigetfile uimenu uint16 uint32
syn keyword octaveFunction contained  uint64 uint8 uiputfile umask uminus uname
syn keyword octaveFunction contained  undo_string_escapes unidcdf unidinv
syn keyword octaveFunction contained  unidpdf unidrnd unifcdf unifinv unifpdf
syn keyword octaveFunction contained  unifrnd unimplemented union unique unix
syn keyword octaveFunction contained  unlink unmark_command unmark_rawcommand
syn keyword octaveFunction contained  unmkpp unpack untabify untar unwrap unzip
syn keyword octaveFunction contained  uplus upper urlread urlwrite usage usleep
syn keyword octaveFunction contained  validatestring values vander var var_test
syn keyword octaveFunction contained  vec vech vectorize ver version vertcat
syn keyword octaveFunction contained  view voronoi voronoin waitforbuttonpress
syn keyword octaveFunction contained  waitpid warning warning_ids warranty
syn keyword octaveFunction contained  wavread wavwrite wblcdf wblinv wblpdf
syn keyword octaveFunction contained  wblrnd weekday weibcdf weibinv weibpdf
syn keyword octaveFunction contained  weibrnd welch_test white whitebg wienrnd
syn keyword octaveFunction contained  wilcoxon_test wilkinson winter xlabel
syn keyword octaveFunction contained  xlim xor yes_or_no ylabel ylim yulewalker
syn keyword octaveFunction contained  z_test z_test_2 zeros zip zlabel zlim

" Add functions defined in .m file being read to list of highlighted functions
function! s:CheckForFunctions()
  let i = 1
  while i <= line('$')
    let line = getline(i)
    " Only look for functions at start of line.
    " Commented function, '# function', will not trigger as match returns 3
    if match(line, '\Cfunction') == 0
      let line = substitute(line, '\vfunction *([^(]*\= *)?', '', '')
      let nfun = matchstr(line, '\v^\h\w*')
      if !empty(nfun)
        execute "syn keyword octaveFunction" nfun
      endif
    " Include anonymous functions 'func = @(...)'.
    " Use contained keyword to prevent highlighting on LHS of '='
    elseif match(line, '\<\(\h\w*\)\s*=\s*@\s*(') != -1
      let list = matchlist(line, '\<\(\h\w*\)\s*=\s*@\s*(')
      let nfun = list[1]
      if !empty(nfun)
        execute "syn keyword octaveFunction contained" nfun
      endif
    endif
    let i = i + 1
  endwhile
endfunction

call s:CheckForFunctions()

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Define clusters for ease of writing subsequent rules
syn cluster AllFuncVarCmd contains=octaveVariable,octaveFunction,octaveCommand
syn cluster AllFuncSetCmd contains=octaveSetVarFun,octaveFunction,octaveCommand

" Switch highlighting of variables based on coding use.
" Query -> Constant, Set -> Function
" order of items is is important here
syn match octaveQueryVar "\<\h\w*[^(]"me=e-1  contains=@AllFuncVarCmd
syn match octaveSetVar   "\<\h\w*\s*("me=e-1  contains=@AllFuncSetCmd
syn match octaveQueryVar "\<\h\w*\s*\((\s*)\)\@="  contains=@AllFuncVarCmd

" Don't highlight Octave keywords on LHS of '=', these are user vars
syn match octaveUserVar  "\<\h\w*\ze[^<>!~=]\{-}==\@!"
syn match octaveUserVar  "\<\h\w*\s*[<>!~=]=" contains=octaveVariable

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Errors (placed early so they may be overriden by more specific rules
" Struct with nonvalid identifier starting with number (Example: 1.a or a.1b)
syn region octaveError  start="\<\d\+\(\w*\.\)\@="  end="[^0-9]"he=s-1 oneline
syn region octaveError  start="\.\d\+\(\w*\)\@="hs=s+1  end="[^0-9]"he=s-1 oneline
" Numbers with double decimal points (Example: 1.2.3)
syn region octaveError  start="\<-\?\d\+\.\d\+\.[^*/\\^]"hs=e-1 end="\>"  oneline
syn region octaveError  start="\<-\?\d\+\.\d\+[eEdD][-+]\?\d\+\.[^*/\\^]"hs=e-1 end="\>"  oneline

" Operators
" Uncommment "Hilink octaveOperator" below to highlight these
syn match octaveLogicalOperator     "[&|~!]"
syn match octaveArithmeticOperator  "\.\?[-+*/\\^]"
syn match octaveRelationalOperator  "[=!~]="
syn match octaveRelationalOperator  "[<>]=\?"

" User Variables
" Uncomment this syntax group and "Hilink octaveIdentifier" below to highlight
"syn match octaveIdentifier  "\<\h\w*\>"

" Strings
syn region octaveString  start=/'/  end=/'/  skip=/\\'/ contains=octaveLineContinuation,@Spell
syn region octaveString  start=/"/  end=/"/  skip=/\\"/ contains=octaveLineContinuation,@Spell

" Standard numbers
syn match octaveNumber  "\<\d\+[ij]\?\>"
" Floating point number, with dot, optional exponent
syn match octaveFloat   "\<\d\+\(\.\d*\)\?\([edED][-+]\?\d\+\)\?[ij]\?\>"
" Floating point number, starting with a dot, optional exponent
syn match octaveFloat   "\.\d\+\([edED][-+]\?\d\+\)\?[ij]\?\>"

" Delimiters and transpose character
syn match octaveDelimiter          "[][(){}@]"
syn match octaveTransposeOperator  "[])[:alnum:]._]\@<='"

" Tabs, for possibly highlighting as errors
syn match octaveTab  "\t"
" Other special constructs
syn match octaveSemicolon  ";"
syn match octaveTilde "\~\s*[[:punct:]]"me=e-1

" Line continuations, order of matches is important here
syn match octaveLineContinuation  "\.\{3}$"
syn match octaveLineContinuation  "\\$"
syn match octaveError  "\.\{3}.\+$"hs=s+3
syn match octaveError  "\\\s\+$"hs=s+1
" Line continuations w/comments
syn match octaveLineContinuation  "\.\{3}\s*[#%]"me=e-1
syn match octaveLineContinuation  "\\\s*[#%]"me=e-1

" Comments, order of matches is important here
syn keyword octaveFIXME contained  FIXME TODO
syn match  octaveComment  "[%#].*$"  contains=octaveFIXME,octaveTab,@Spell
syn match  octaveError    "[#%][{}]"
syn region octaveBlockComment  start="^\s*[#%]{\s*$"  end="^\s*[#%]}\s*$" contains=octaveFIXME,octaveTab,@Spell

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Apply highlight groups to syntax groups defined above

" Define the default highlighting.
" For version 5.7 and earlier: only when not done already
" For version 5.8 and later: only when an item doesn't have highlighting yet
if version >= 508 || !exists("did_octave_syntax_inits")
  if version < 508
    let did_octave_syntax_inits = 1
    command -nargs=+ HiLink hi link <args>
  else
    command -nargs=+ HiLink hi def link <args>
  endif

  HiLink octaveBeginKeyword             Conditional
  HiLink octaveElseKeyword              Conditional
  HiLink octaveEndKeyword               Conditional
  HiLink octaveReserved                 Conditional

  HiLink octaveStatement                Statement
  HiLink octaveVariable                 Constant
  HiLink octaveSetVarFun                Function
  HiLink octaveCommand                  Statement
  HiLink octaveFunction                 Function

  HiLink octaveConditional              Conditional
  HiLink octaveLabel                    Label
  HiLink octaveRepeat                   Repeat
  HiLink octaveFIXME                    Todo
  HiLink octaveString                   String
  HiLink octaveDelimiter                Identifier
  HiLink octaveNumber                   Number
  HiLink octaveFloat                    Float
  HiLink octaveError                    Error
  HiLink octaveComment                  Comment
  HiLink octaveBlockComment             Comment
  HiLink octaveSemicolon                SpecialChar
  HiLink octaveTilde                    SpecialChar
  HiLink octaveLineContinuation         Special

  HiLink octaveTransposeOperator        octaveOperator
  HiLink octaveArithmeticOperator       octaveOperator
  HiLink octaveRelationalOperator       octaveOperator
  HiLink octaveLogicalOperator          octaveOperator

" Optional highlighting
"  HiLink octaveOperator                Operator
"  HiLink octaveIdentifier              Identifier
"  HiLink octaveTab                     Error

  delcommand HiLink
endif

let b:current_syntax = "octave"

"EOF	vim: ts=8 noet tw=100 sw=8 sts=0