" Vim syntax file
" This is a GENERATED FILE. Please always refer to source file at the URI below.
" Language: PoV-Ray(tm) 3.5 Screen Description Language
" Maintainer: David Ne\v{c}as (Yeti) <yeti@physics.muni.cz>
" Last Change: 2001-09-25
" URI: http://physics.muni.cz/~yeti/download/pov.vim
" Required Vim Version: 6.0

" Setup
if version >= 600
  " Quit when a syntax file was already loaded
  if exists("b:current_syntax")
    finish
  endif
else
  " Croak when an old Vim is sourcing us.
  echo "Sorry, but this syntax file relies on Vim 6 features.  Either upgrade Vim or usea version of " . expand("<sfile>:t:r") . " syntax file appropriate for Vim " . version/100 . "." . version %100 . "."
  finish
endif

syn case match

" Top level stuff
syn keyword povCommands global_settings
syn keyword povObjects array atmosphere background bicubic_patch blob box camera cone cubic cylinder disc fog height_field isosurface julia_fractal lathe light_group light_source mesh mesh2 object parametric pattern photons plane poly polygon prism quadric quartic rainbow sky_sphere smooth_triangle sor sphere sphere_sweep spline superellipsoid text torus triangle
syn keyword povCSG clipped_by contained_by difference intersection merge union
syn keyword povAppearance interior material media texture interior_texture texture_list
syn keyword povGlobalSettings ambient_light assumed_gamma charset hf_gray_16 irid_wavelength max_intersections max_trace_level number_of_waves radiosity noise_generator 
syn keyword povTransform inverse matrix rotate scale translate transform

" Descriptors
syn keyword povDescriptors finish normal pigment uv_mapping uv_vectors vertex_vectors
syn keyword povDescriptors adc_bailout always_sample brightness count error_bound distance_maximum gray_threshold load_file low_error_factor max_sample media minimum_reuse nearest_count normal pretrace_end pretrace_start recursion_limit save_file
syn keyword povDescriptors color colour gray rgb rgbt rgbf rgbft red green blue
syn keyword povDescriptors bump_map color_map colour_map image_map material_map pigment_map quick_color quick_colour normal_map texture_map image_pattern pigment_pattern
syn keyword povDescriptors ambient brilliance conserve_energy crand diffuse fresnel irid metallic phong phong_size refraction reflection reflection_exponent roughness specular
syn keyword povDescriptors cylinder fisheye omnimax orthographic panoramic perspective spherical ultra_wide_angle
syn keyword povDescriptors agate average brick boxed bozo bumps cells checker crackle cylindrical dents facets function gradient granite hexagon julia leopard magnet mandel marble onion planar quilted radial ripples slope spherical spiral1 spiral2 spotted toroidal waves wood wrinkles
syn keyword povDescriptors density_file
syn keyword povDescriptors area_light shadowless spotlight parallel
syn keyword povDescriptors absorption confidence density emission intervals ratio samples scattering variance
syn keyword povDescriptors distance fog_alt fog_offset fog_type turb_depth
syn keyword povDescriptors b_spline bezier_spline catmull_rom_spline cubic_spline evaluate face_indices form linear_spline max_gradient normal_indices normal_vectors quadratic_spline uv_indices
syn keyword povDescriptors target

" Modifiers
syn keyword povModifiers caustics dispersion dispersion_samples fade_color fade_colour fade_distance fade_power ior
syn keyword povModifiers bounded_by double_illuminate hierarchy hollow no_shadow open smooth sturm threshold water_level
syn keyword povModifiers hypercomplex max_iteration precision quaternion slice
syn keyword povModifiers conic_sweep linear_sweep 
syn keyword povModifiers flatness type u_steps v_steps
syn keyword povModifiers aa_level aa_threshold adaptive falloff jitter looks_like media_attenuation media_interaction method point_at radius tightness
syn keyword povModifiers angle aperture blur_samples confidence direction focal_point h_angle location look_at right sky up v_angle variance
syn keyword povModifiers all bump_size filter interpolate map_type once slope_map transmit use_alpha use_color use_colour use_index
syn keyword povModifiers black_hole agate_turb brick_size control0 control1 cubic_wave density_map flip frequency interpolate inverse lambda mortar octaves offset omega phase poly_wave ramp_wave repeat scallop_wave sine_wave strength triangle_wave thickness turbulence turb_depth type warp
syn keyword povModifiers eccentricity extinction
syn keyword povModifiers arc_angle falloff_angle width
syn keyword povModifiers accuracy all_intersections altitude autostop circular collect coords cutaway_textures dist_exp expand_thresholds exponent exterior gather global_lights major_radius max_trace no_bump_scale no_image no_reflection orient orientation pass_through precompute projected_through range_divider solid spacing split_union tolerance

" Words not marked `reserved' in documentation, but...
syn keyword povHFType gif iff jpeg pgm png pot ppm sys tga tiff contained
syn keyword povFontType ttf contained
syn keyword povDensityType df3 contained
syn keyword povCharset ascii utf8 contained

" Math functions on floats, vectors and strings
syn keyword povFunctions abs acos asc asin atan2 ceil cos defined degrees dimensions dimension_size div exp file_exists floor inside int internal ln log max max_extent min min_extent mod pow radians rand seed select sin sqrt strcmp strlen tan trace val vdot vlength vstr vturbulence
syn keyword povFunctions vaxis_rotate vcross vnormalize vrotate
syn keyword povFunctions chr concat substr str strupr strlwr
syn keyword povJuliaFunctions acosh asinh atan cosh cube pwr reciprocal sinh sqr tanh

" Specialities
syn keyword povConsts clock clock_delta clock_on final_clock final_frame frame_number initial_clock initial_frame image_width image_height false no off on pi t true u v version x y yes z
syn match povDotItem "\.\@<=\(blue\|green\|filter\|red\|transmit\|t\|u\|v\|x\|y\|z\)\>" display

" Comments
syn region povComment start="/\*" end="\*/" contains=povTodo,povComment
syn match povComment "//.*" contains=povTodo
syn match povCommentError "\*/"
syn sync ccomment povComment
syn sync minlines=50
syn keyword povTodo TODO FIXME XXX NOT contained
syn cluster povPRIVATE add=povTodo

" Language directives
syn match povConditionalDir "#\s*\(else\|end\|if\|ifdef\|ifndef\|switch\|while\)\>"
syn match povLabelDir "#\s*\(break\|case\|default\|range\)\>"
syn match povDeclareDir "#\s*\(declare\|default\|local\|macro\|undef\|version\)\>"
syn match povIncludeDir "#\s*include\>"
syn match povFileDir "#\s*\(fclose\|fopen\|read\|write\)\>"
syn match povMessageDir "#\s*\(debug\|error\|render\|statistics\|warning\)\>"
syn region povFileOpen start="#\s*fopen\>" skip=+"[^"]*"+ matchgroup=povOpenType end="\<\(read\|write\|append\)\>" contains=ALLBUT,PovParenError,PovBraceError,@PovPRIVATE transparent keepend

" Literal strings
syn match povSpecialChar "\\\d\d\d\|\\." contained
syn region povString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=povSpecialChar oneline
syn cluster povPRIVATE add=povSpecialChar

" Catch errors caused by wrong parenthesization
syn region povParen start='(' end=')' contains=ALLBUT,povParenError,@povPRIVATE transparent
syn match povParenError ")"
syn region povBrace start='{' end='}' contains=ALLBUT,povBraceError,@povPRIVATE transparent
syn match povBraceError "}"

" Numbers
syn match povNumber "\(^\|\W\)\@<=[+-]\=\(\d\+\)\=\.\=\d\+\([eE][+-]\=\d\+\)\="

" Define the default highlighting
hi def link povComment        Comment
hi def link povTodo           Todo
hi def link povNumber         Number
hi def link povString         String
hi def link povFileOpen       Constant
hi def link povConsts         Constant
hi def link povDotItem        Constant
hi def link povHFType         povSpecial
hi def link povCharset        povSpecial
hi def link povDensityType    povSpecial
hi def link povFontType       povSpecial
hi def link povOpenType       povSpecial
hi def link povSpecialChar    povSpecial
hi def link povSpecial        Special
hi def link povConditionalDir PreProc
hi def link povLabelDir       PreProc
hi def link povDeclareDir     Define
hi def link povIncludeDir     Include
hi def link povFileDir        PreProc
hi def link povMessageDir     Debug
hi def link povAppearance     povDescriptors
hi def link povObjects        povDescriptors
hi def link povGlobalSettings povDescriptors
hi def link povDescriptors    Type
hi def link povJuliaFunctions PovFunctions
hi def link povModifiers      povFunctions
hi def link povFunctions      Function
hi def link povCommands       Operator
hi def link povTransform      Operator
hi def link povCSG            Operator
hi def link povParenError     povError
hi def link povBraceError     povError
hi def link povCommentError   povError
hi def link povError          Error

let b:current_syntax = "pov"
