Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/pygments/lexers/graphics.py: 76%

1""" 

2 pygments.lexers.graphics 

3 ~~~~~~~~~~~~~~~~~~~~~~~~ 

4 

5 Lexers for computer graphics and plotting related languages. 

6 

7 :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS. 

8 :license: BSD, see LICENSE for details. 

9""" 

10 

11from pygments.lexer import RegexLexer, words, include, bygroups, using, \ 

12 this, default 

13from pygments.token import Text, Comment, Operator, Keyword, Name, \ 

14 Number, Punctuation, String, Whitespace 

15 

16__all__ = ['GLShaderLexer', 'PostScriptLexer', 'AsymptoteLexer', 'GnuplotLexer', 

17 'PovrayLexer', 'HLSLShaderLexer'] 

18 

19 

20class GLShaderLexer(RegexLexer): 

21 """ 

22 GLSL (OpenGL Shader) lexer. 

23 

24 .. versionadded:: 1.1 

25 """ 

26 name = 'GLSL' 

27 aliases = ['glsl'] 

28 filenames = ['*.vert', '*.frag', '*.geo'] 

29 mimetypes = ['text/x-glslsrc'] 

30 

31 tokens = { 

32 'root': [ 

33 (r'#(?:.*\\\n)*.*$', Comment.Preproc), 

34 (r'//.*$', Comment.Single), 

35 (r'/(\\\n)?[*](.|\n)*?[*](\\\n)?/', Comment.Multiline), 

36 (r'\+|-|~|!=?|\*|/|%|<<|>>|<=?|>=?|==?|&&?|\^|\|\|?', 

37 Operator), 

38 (r'[?:]', Operator), # quick hack for ternary 

39 (r'\bdefined\b', Operator), 

40 (r'[;{}(),\[\]]', Punctuation), 

41 # FIXME when e is present, no decimal point needed 

42 (r'[+-]?\d*\.\d+([eE][-+]?\d+)?', Number.Float), 

43 (r'[+-]?\d+\.\d*([eE][-+]?\d+)?', Number.Float), 

44 (r'0[xX][0-9a-fA-F]*', Number.Hex), 

45 (r'0[0-7]*', Number.Oct), 

46 (r'[1-9][0-9]*', Number.Integer), 

47 (words(( 

48 # Storage qualifiers 

49 'attribute', 'const', 'uniform', 'varying', 

50 'buffer', 'shared', 'in', 'out', 

51 # Layout qualifiers 

52 'layout', 

53 # Interpolation qualifiers 

54 'flat', 'smooth', 'noperspective', 

55 # Auxiliary qualifiers 

56 'centroid', 'sample', 'patch', 

57 # Parameter qualifiers. Some double as Storage qualifiers 

58 'inout', 

59 # Precision qualifiers 

60 'lowp', 'mediump', 'highp', 'precision', 

61 # Invariance qualifiers 

62 'invariant', 

63 # Precise qualifiers 

64 'precise', 

65 # Memory qualifiers 

66 'coherent', 'volatile', 'restrict', 'readonly', 'writeonly', 

67 # Statements 

68 'break', 'continue', 'do', 'for', 'while', 'switch', 

69 'case', 'default', 'if', 'else', 'subroutine', 

70 'discard', 'return', 'struct'), 

71 prefix=r'\b', suffix=r'\b'), 

72 Keyword), 

73 (words(( 

74 # Boolean values 

75 'true', 'false'), 

76 prefix=r'\b', suffix=r'\b'), 

77 Keyword.Constant), 

78 (words(( 

79 # Miscellaneous types 

80 'void', 'atomic_uint', 

81 # Floating-point scalars and vectors 

82 'float', 'vec2', 'vec3', 'vec4', 

83 'double', 'dvec2', 'dvec3', 'dvec4', 

84 # Integer scalars and vectors 

85 'int', 'ivec2', 'ivec3', 'ivec4', 

86 'uint', 'uvec2', 'uvec3', 'uvec4', 

87 # Boolean scalars and vectors 

88 'bool', 'bvec2', 'bvec3', 'bvec4', 

89 # Matrices 

90 'mat2', 'mat3', 'mat4', 'dmat2', 'dmat3', 'dmat4', 

91 'mat2x2', 'mat2x3', 'mat2x4', 'dmat2x2', 'dmat2x3', 'dmat2x4', 

92 'mat3x2', 'mat3x3', 'mat3x4', 'dmat3x2', 'dmat3x3', 

93 'dmat3x4', 'mat4x2', 'mat4x3', 'mat4x4', 'dmat4x2', 'dmat4x3', 'dmat4x4', 

94 # Floating-point samplers 

95 'sampler1D', 'sampler2D', 'sampler3D', 'samplerCube', 

96 'sampler1DArray', 'sampler2DArray', 'samplerCubeArray', 

97 'sampler2DRect', 'samplerBuffer', 

98 'sampler2DMS', 'sampler2DMSArray', 

99 # Shadow samplers 

100 'sampler1DShadow', 'sampler2DShadow', 'samplerCubeShadow', 

101 'sampler1DArrayShadow', 'sampler2DArrayShadow', 

102 'samplerCubeArrayShadow', 'sampler2DRectShadow', 

103 # Signed integer samplers 

104 'isampler1D', 'isampler2D', 'isampler3D', 'isamplerCube', 

105 'isampler1DArray', 'isampler2DArray', 'isamplerCubeArray', 

106 'isampler2DRect', 'isamplerBuffer', 

107 'isampler2DMS', 'isampler2DMSArray', 

108 # Unsigned integer samplers 

109 'usampler1D', 'usampler2D', 'usampler3D', 'usamplerCube', 

110 'usampler1DArray', 'usampler2DArray', 'usamplerCubeArray', 

111 'usampler2DRect', 'usamplerBuffer', 

112 'usampler2DMS', 'usampler2DMSArray', 

113 # Floating-point image types 

114 'image1D', 'image2D', 'image3D', 'imageCube', 

115 'image1DArray', 'image2DArray', 'imageCubeArray', 

116 'image2DRect', 'imageBuffer', 

117 'image2DMS', 'image2DMSArray', 

118 # Signed integer image types 

119 'iimage1D', 'iimage2D', 'iimage3D', 'iimageCube', 

120 'iimage1DArray', 'iimage2DArray', 'iimageCubeArray', 

121 'iimage2DRect', 'iimageBuffer', 

122 'iimage2DMS', 'iimage2DMSArray', 

123 # Unsigned integer image types 

124 'uimage1D', 'uimage2D', 'uimage3D', 'uimageCube', 

125 'uimage1DArray', 'uimage2DArray', 'uimageCubeArray', 

126 'uimage2DRect', 'uimageBuffer', 

127 'uimage2DMS', 'uimage2DMSArray'), 

128 prefix=r'\b', suffix=r'\b'), 

129 Keyword.Type), 

130 (words(( 

131 # Reserved for future use. 

132 'common', 'partition', 'active', 'asm', 'class', 

133 'union', 'enum', 'typedef', 'template', 'this', 

134 'resource', 'goto', 'inline', 'noinline', 'public', 

135 'static', 'extern', 'external', 'interface', 'long', 

136 'short', 'half', 'fixed', 'unsigned', 'superp', 'input', 

137 'output', 'hvec2', 'hvec3', 'hvec4', 'fvec2', 'fvec3', 

138 'fvec4', 'sampler3DRect', 'filter', 'sizeof', 'cast', 

139 'namespace', 'using'), 

140 prefix=r'\b', suffix=r'\b'), 

141 Keyword.Reserved), 

142 # All names beginning with "gl_" are reserved. 

143 (r'gl_\w*', Name.Builtin), 

144 (r'[a-zA-Z_]\w*', Name), 

145 (r'\.', Punctuation), 

146 (r'\s+', Whitespace), 

147 ], 

148 } 

149 

150 

151class HLSLShaderLexer(RegexLexer): 

152 """ 

153 HLSL (Microsoft Direct3D Shader) lexer. 

154 

155 .. versionadded:: 2.3 

156 """ 

157 name = 'HLSL' 

158 aliases = ['hlsl'] 

159 filenames = ['*.hlsl', '*.hlsli'] 

160 mimetypes = ['text/x-hlsl'] 

161 

162 tokens = { 

163 'root': [ 

164 (r'#(?:.*\\\n)*.*$', Comment.Preproc), 

165 (r'//.*$', Comment.Single), 

166 (r'/(\\\n)?[*](.|\n)*?[*](\\\n)?/', Comment.Multiline), 

167 (r'\+|-|~|!=?|\*|/|%|<<|>>|<=?|>=?|==?|&&?|\^|\|\|?', 

168 Operator), 

169 (r'[?:]', Operator), # quick hack for ternary 

170 (r'\bdefined\b', Operator), 

171 (r'[;{}(),.\[\]]', Punctuation), 

172 # FIXME when e is present, no decimal point needed 

173 (r'[+-]?\d*\.\d+([eE][-+]?\d+)?f?', Number.Float), 

174 (r'[+-]?\d+\.\d*([eE][-+]?\d+)?f?', Number.Float), 

175 (r'0[xX][0-9a-fA-F]*', Number.Hex), 

176 (r'0[0-7]*', Number.Oct), 

177 (r'[1-9][0-9]*', Number.Integer), 

178 (r'"', String, 'string'), 

179 (words(( 

180 'asm','asm_fragment','break','case','cbuffer','centroid','class', 

181 'column_major','compile','compile_fragment','const','continue', 

182 'default','discard','do','else','export','extern','for','fxgroup', 

183 'globallycoherent','groupshared','if','in','inline','inout', 

184 'interface','line','lineadj','linear','namespace','nointerpolation', 

185 'noperspective','NULL','out','packoffset','pass','pixelfragment', 

186 'point','precise','return','register','row_major','sample', 

187 'sampler','shared','stateblock','stateblock_state','static', 

188 'struct','switch','tbuffer','technique','technique10', 

189 'technique11','texture','typedef','triangle','triangleadj', 

190 'uniform','vertexfragment','volatile','while'), 

191 prefix=r'\b', suffix=r'\b'), 

192 Keyword), 

193 (words(('true','false'), prefix=r'\b', suffix=r'\b'), 

194 Keyword.Constant), 

195 (words(( 

196 'auto','catch','char','const_cast','delete','dynamic_cast','enum', 

197 'explicit','friend','goto','long','mutable','new','operator', 

198 'private','protected','public','reinterpret_cast','short','signed', 

199 'sizeof','static_cast','template','this','throw','try','typename', 

200 'union','unsigned','using','virtual'), 

201 prefix=r'\b', suffix=r'\b'), 

202 Keyword.Reserved), 

203 (words(( 

204 'dword','matrix','snorm','string','unorm','unsigned','void','vector', 

205 'BlendState','Buffer','ByteAddressBuffer','ComputeShader', 

206 'DepthStencilState','DepthStencilView','DomainShader', 

207 'GeometryShader','HullShader','InputPatch','LineStream', 

208 'OutputPatch','PixelShader','PointStream','RasterizerState', 

209 'RenderTargetView','RasterizerOrderedBuffer', 

210 'RasterizerOrderedByteAddressBuffer', 

211 'RasterizerOrderedStructuredBuffer','RasterizerOrderedTexture1D', 

212 'RasterizerOrderedTexture1DArray','RasterizerOrderedTexture2D', 

213 'RasterizerOrderedTexture2DArray','RasterizerOrderedTexture3D', 

214 'RWBuffer','RWByteAddressBuffer','RWStructuredBuffer', 

215 'RWTexture1D','RWTexture1DArray','RWTexture2D','RWTexture2DArray', 

216 'RWTexture3D','SamplerState','SamplerComparisonState', 

217 'StructuredBuffer','Texture1D','Texture1DArray','Texture2D', 

218 'Texture2DArray','Texture2DMS','Texture2DMSArray','Texture3D', 

219 'TextureCube','TextureCubeArray','TriangleStream','VertexShader'), 

220 prefix=r'\b', suffix=r'\b'), 

221 Keyword.Type), 

222 (words(( 

223 'bool','double','float','int','half','min16float','min10float', 

224 'min16int','min12int','min16uint','uint'), 

225 prefix=r'\b', suffix=r'([1-4](x[1-4])?)?\b'), 

226 Keyword.Type), # vector and matrix types 

227 (words(( 

228 'abort','abs','acos','all','AllMemoryBarrier', 

229 'AllMemoryBarrierWithGroupSync','any','AppendStructuredBuffer', 

230 'asdouble','asfloat','asin','asint','asuint','asuint','atan', 

231 'atan2','ceil','CheckAccessFullyMapped','clamp','clip', 

232 'CompileShader','ConsumeStructuredBuffer','cos','cosh','countbits', 

233 'cross','D3DCOLORtoUBYTE4','ddx','ddx_coarse','ddx_fine','ddy', 

234 'ddy_coarse','ddy_fine','degrees','determinant', 

235 'DeviceMemoryBarrier','DeviceMemoryBarrierWithGroupSync','distance', 

236 'dot','dst','errorf','EvaluateAttributeAtCentroid', 

237 'EvaluateAttributeAtSample','EvaluateAttributeSnapped','exp', 

238 'exp2','f16tof32','f32tof16','faceforward','firstbithigh', 

239 'firstbitlow','floor','fma','fmod','frac','frexp','fwidth', 

240 'GetRenderTargetSampleCount','GetRenderTargetSamplePosition', 

241 'GlobalOrderedCountIncrement','GroupMemoryBarrier', 

242 'GroupMemoryBarrierWithGroupSync','InterlockedAdd','InterlockedAnd', 

243 'InterlockedCompareExchange','InterlockedCompareStore', 

244 'InterlockedExchange','InterlockedMax','InterlockedMin', 

245 'InterlockedOr','InterlockedXor','isfinite','isinf','isnan', 

246 'ldexp','length','lerp','lit','log','log10','log2','mad','max', 

247 'min','modf','msad4','mul','noise','normalize','pow','printf', 

248 'Process2DQuadTessFactorsAvg','Process2DQuadTessFactorsMax', 

249 'Process2DQuadTessFactorsMin','ProcessIsolineTessFactors', 

250 'ProcessQuadTessFactorsAvg','ProcessQuadTessFactorsMax', 

251 'ProcessQuadTessFactorsMin','ProcessTriTessFactorsAvg', 

252 'ProcessTriTessFactorsMax','ProcessTriTessFactorsMin', 

253 'QuadReadLaneAt','QuadSwapX','QuadSwapY','radians','rcp', 

254 'reflect','refract','reversebits','round','rsqrt','saturate', 

255 'sign','sin','sincos','sinh','smoothstep','sqrt','step','tan', 

256 'tanh','tex1D','tex1D','tex1Dbias','tex1Dgrad','tex1Dlod', 

257 'tex1Dproj','tex2D','tex2D','tex2Dbias','tex2Dgrad','tex2Dlod', 

258 'tex2Dproj','tex3D','tex3D','tex3Dbias','tex3Dgrad','tex3Dlod', 

259 'tex3Dproj','texCUBE','texCUBE','texCUBEbias','texCUBEgrad', 

260 'texCUBElod','texCUBEproj','transpose','trunc','WaveAllBitAnd', 

261 'WaveAllMax','WaveAllMin','WaveAllBitOr','WaveAllBitXor', 

262 'WaveAllEqual','WaveAllProduct','WaveAllSum','WaveAllTrue', 

263 'WaveAnyTrue','WaveBallot','WaveGetLaneCount','WaveGetLaneIndex', 

264 'WaveGetOrderedIndex','WaveIsHelperLane','WaveOnce', 

265 'WavePrefixProduct','WavePrefixSum','WaveReadFirstLane', 

266 'WaveReadLaneAt'), 

267 prefix=r'\b', suffix=r'\b'), 

268 Name.Builtin), # built-in functions 

269 (words(( 

270 'SV_ClipDistance','SV_ClipDistance0','SV_ClipDistance1', 

271 'SV_Culldistance','SV_CullDistance0','SV_CullDistance1', 

272 'SV_Coverage','SV_Depth','SV_DepthGreaterEqual', 

273 'SV_DepthLessEqual','SV_DispatchThreadID','SV_DomainLocation', 

274 'SV_GroupID','SV_GroupIndex','SV_GroupThreadID','SV_GSInstanceID', 

275 'SV_InnerCoverage','SV_InsideTessFactor','SV_InstanceID', 

276 'SV_IsFrontFace','SV_OutputControlPointID','SV_Position', 

277 'SV_PrimitiveID','SV_RenderTargetArrayIndex','SV_SampleIndex', 

278 'SV_StencilRef','SV_TessFactor','SV_VertexID', 

279 'SV_ViewportArrayIndex'), 

280 prefix=r'\b', suffix=r'\b'), 

281 Name.Decorator), # system-value semantics 

282 (r'\bSV_Target[0-7]?\b', Name.Decorator), 

283 (words(( 

284 'allow_uav_condition','branch','call','domain','earlydepthstencil', 

285 'fastopt','flatten','forcecase','instance','loop','maxtessfactor', 

286 'numthreads','outputcontrolpoints','outputtopology','partitioning', 

287 'patchconstantfunc','unroll'), 

288 prefix=r'\b', suffix=r'\b'), 

289 Name.Decorator), # attributes 

290 (r'[a-zA-Z_]\w*', Name), 

291 (r'\\$', Comment.Preproc), # backslash at end of line -- usually macro continuation 

292 (r'\s+', Whitespace), 

293 ], 

294 'string': [ 

295 (r'"', String, '#pop'), 

296 (r'\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|' 

297 r'u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|[0-7]{1,3})', String.Escape), 

298 (r'[^\\"\n]+', String), # all other characters 

299 (r'\\\n', String), # line continuation 

300 (r'\\', String), # stray backslash 

301 ], 

302 } 

303 

304 

305class PostScriptLexer(RegexLexer): 

306 """ 

307 Lexer for PostScript files. 

308 

309 .. versionadded:: 1.4 

310 """ 

311 name = 'PostScript' 

312 url = 'https://en.wikipedia.org/wiki/PostScript' 

313 aliases = ['postscript', 'postscr'] 

314 filenames = ['*.ps', '*.eps'] 

315 mimetypes = ['application/postscript'] 

316 

317 delimiter = r'()<>\[\]{}/%\s' 

318 delimiter_end = r'(?=[%s])' % delimiter 

319 

320 valid_name_chars = r'[^%s]' % delimiter 

321 valid_name = r"%s+%s" % (valid_name_chars, delimiter_end) 

322 

323 tokens = { 

324 'root': [ 

325 # All comment types 

326 (r'^%!.+$', Comment.Preproc), 

327 (r'%%.*$', Comment.Special), 

328 (r'(^%.*\n){2,}', Comment.Multiline), 

329 (r'%.*$', Comment.Single), 

330 

331 # String literals are awkward; enter separate state. 

332 (r'\(', String, 'stringliteral'), 

333 

334 (r'[{}<>\[\]]', Punctuation), 

335 

336 # Numbers 

337 (r'<[0-9A-Fa-f]+>' + delimiter_end, Number.Hex), 

338 # Slight abuse: use Oct to signify any explicit base system 

339 (r'[0-9]+\#(\-|\+)?([0-9]+\.?|[0-9]*\.[0-9]+|[0-9]+\.[0-9]*)' 

340 r'((e|E)[0-9]+)?' + delimiter_end, Number.Oct), 

341 (r'(\-|\+)?([0-9]+\.?|[0-9]*\.[0-9]+|[0-9]+\.[0-9]*)((e|E)[0-9]+)?' 

342 + delimiter_end, Number.Float), 

343 (r'(\-|\+)?[0-9]+' + delimiter_end, Number.Integer), 

344 

345 # References 

346 (r'\/%s' % valid_name, Name.Variable), 

347 

348 # Names 

349 (valid_name, Name.Function), # Anything else is executed 

350 

351 # These keywords taken from 

352 # <http://www.math.ubc.ca/~cass/graphics/manual/pdf/a1.pdf> 

353 # Is there an authoritative list anywhere that doesn't involve 

354 # trawling documentation? 

355 

356 (r'(false|true)' + delimiter_end, Keyword.Constant), 

357 

358 # Conditionals / flow control 

359 (r'(eq|ne|g[et]|l[et]|and|or|not|if(?:else)?|for(?:all)?)' 

360 + delimiter_end, Keyword.Reserved), 

361 

362 (words(( 

363 'abs', 'add', 'aload', 'arc', 'arcn', 'array', 'atan', 'begin', 

364 'bind', 'ceiling', 'charpath', 'clip', 'closepath', 'concat', 

365 'concatmatrix', 'copy', 'cos', 'currentlinewidth', 'currentmatrix', 

366 'currentpoint', 'curveto', 'cvi', 'cvs', 'def', 'defaultmatrix', 

367 'dict', 'dictstackoverflow', 'div', 'dtransform', 'dup', 'end', 

368 'exch', 'exec', 'exit', 'exp', 'fill', 'findfont', 'floor', 'get', 

369 'getinterval', 'grestore', 'gsave', 'gt', 'identmatrix', 'idiv', 

370 'idtransform', 'index', 'invertmatrix', 'itransform', 'length', 

371 'lineto', 'ln', 'load', 'log', 'loop', 'matrix', 'mod', 'moveto', 

372 'mul', 'neg', 'newpath', 'pathforall', 'pathbbox', 'pop', 'print', 

373 'pstack', 'put', 'quit', 'rand', 'rangecheck', 'rcurveto', 'repeat', 

374 'restore', 'rlineto', 'rmoveto', 'roll', 'rotate', 'round', 'run', 

375 'save', 'scale', 'scalefont', 'setdash', 'setfont', 'setgray', 

376 'setlinecap', 'setlinejoin', 'setlinewidth', 'setmatrix', 

377 'setrgbcolor', 'shfill', 'show', 'showpage', 'sin', 'sqrt', 

378 'stack', 'stringwidth', 'stroke', 'strokepath', 'sub', 'syntaxerror', 

379 'transform', 'translate', 'truncate', 'typecheck', 'undefined', 

380 'undefinedfilename', 'undefinedresult'), suffix=delimiter_end), 

381 Name.Builtin), 

382 

383 (r'\s+', Whitespace), 

384 ], 

385 

386 'stringliteral': [ 

387 (r'[^()\\]+', String), 

388 (r'\\', String.Escape, 'escape'), 

389 (r'\(', String, '#push'), 

390 (r'\)', String, '#pop'), 

391 ], 

392 

393 'escape': [ 

394 (r'[0-8]{3}|n|r|t|b|f|\\|\(|\)', String.Escape, '#pop'), 

395 default('#pop'), 

396 ], 

397 } 

398 

399 

400class AsymptoteLexer(RegexLexer): 

401 """ 

402 For Asymptote source code. 

403 

404 .. versionadded:: 1.2 

405 """ 

406 name = 'Asymptote' 

407 url = 'http://asymptote.sf.net/' 

408 aliases = ['asymptote', 'asy'] 

409 filenames = ['*.asy'] 

410 mimetypes = ['text/x-asymptote'] 

411 

412 #: optional Comment or Whitespace 

413 _ws = r'(?:\s|//.*?\n|/\*.*?\*/)+' 

414 

415 tokens = { 

416 'whitespace': [ 

417 (r'\n', Whitespace), 

418 (r'\s+', Whitespace), 

419 (r'(\\)(\n)', bygroups(Text, Whitespace)), # line continuation 

420 (r'//(\n|(.|\n)*?[^\\]\n)', Comment), 

421 (r'/(\\\n)?\*(.|\n)*?\*(\\\n)?/', Comment), 

422 ], 

423 'statements': [ 

424 # simple string (TeX friendly) 

425 (r'"(\\\\|\\[^\\]|[^"\\])*"', String), 

426 # C style string (with character escapes) 

427 (r"'", String, 'string'), 

428 (r'(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[lL]?', Number.Float), 

429 (r'(\d+\.\d*|\.\d+|\d+[fF])[fF]?', Number.Float), 

430 (r'0x[0-9a-fA-F]+[Ll]?', Number.Hex), 

431 (r'0[0-7]+[Ll]?', Number.Oct), 

432 (r'\d+[Ll]?', Number.Integer), 

433 (r'[~!%^&*+=|?:<>/-]', Operator), 

434 (r'[()\[\],.]', Punctuation), 

435 (r'\b(case)(.+?)(:)', bygroups(Keyword, using(this), Text)), 

436 (r'(and|controls|tension|atleast|curl|if|else|while|for|do|' 

437 r'return|break|continue|struct|typedef|new|access|import|' 

438 r'unravel|from|include|quote|static|public|private|restricted|' 

439 r'this|explicit|true|false|null|cycle|newframe|operator)\b', Keyword), 

440 # Since an asy-type-name can be also an asy-function-name, 

441 # in the following we test if the string " [a-zA-Z]" follows 

442 # the Keyword.Type. 

443 # Of course it is not perfect ! 

444 (r'(Braid|FitResult|Label|Legend|TreeNode|abscissa|arc|arrowhead|' 

445 r'binarytree|binarytreeNode|block|bool|bool3|bounds|bqe|circle|' 

446 r'conic|coord|coordsys|cputime|ellipse|file|filltype|frame|grid3|' 

447 r'guide|horner|hsv|hyperbola|indexedTransform|int|inversion|key|' 

448 r'light|line|linefit|marginT|marker|mass|object|pair|parabola|path|' 

449 r'path3|pen|picture|point|position|projection|real|revolution|' 

450 r'scaleT|scientific|segment|side|slice|splitface|string|surface|' 

451 r'tensionSpecifier|ticklocate|ticksgridT|tickvalues|transform|' 

452 r'transformation|tree|triangle|trilinear|triple|vector|' 

453 r'vertex|void)(?=\s+[a-zA-Z])', Keyword.Type), 

454 # Now the asy-type-name which are not asy-function-name 

455 # except yours ! 

456 # Perhaps useless 

457 (r'(Braid|FitResult|TreeNode|abscissa|arrowhead|block|bool|bool3|' 

458 r'bounds|coord|frame|guide|horner|int|linefit|marginT|pair|pen|' 

459 r'picture|position|real|revolution|slice|splitface|ticksgridT|' 

460 r'tickvalues|tree|triple|vertex|void)\b', Keyword.Type), 

461 (r'[a-zA-Z_]\w*:(?!:)', Name.Label), 

462 (r'[a-zA-Z_]\w*', Name), 

463 ], 

464 'root': [ 

465 include('whitespace'), 

466 # functions 

467 (r'((?:[\w*\s])+?(?:\s|\*))' # return arguments 

468 r'([a-zA-Z_]\w*)' # method name 

469 r'(\s*\([^;]*?\))' # signature 

470 r'(' + _ws + r')(\{)', 

471 bygroups(using(this), Name.Function, using(this), using(this), 

472 Punctuation), 

473 'function'), 

474 # function declarations 

475 (r'((?:[\w*\s])+?(?:\s|\*))' # return arguments 

476 r'([a-zA-Z_]\w*)' # method name 

477 r'(\s*\([^;]*?\))' # signature 

478 r'(' + _ws + r')(;)', 

479 bygroups(using(this), Name.Function, using(this), using(this), 

480 Punctuation)), 

481 default('statement'), 

482 ], 

483 'statement': [ 

484 include('whitespace'), 

485 include('statements'), 

486 ('[{}]', Punctuation), 

487 (';', Punctuation, '#pop'), 

488 ], 

489 'function': [ 

490 include('whitespace'), 

491 include('statements'), 

492 (';', Punctuation), 

493 (r'\{', Punctuation, '#push'), 

494 (r'\}', Punctuation, '#pop'), 

495 ], 

496 'string': [ 

497 (r"'", String, '#pop'), 

498 (r'\\([\\abfnrtv"\'?]|x[a-fA-F0-9]{2,4}|[0-7]{1,3})', String.Escape), 

499 (r'\n', String), 

500 (r"[^\\'\n]+", String), # all other characters 

501 (r'\\\n', String), 

502 (r'\\n', String), # line continuation 

503 (r'\\', String), # stray backslash 

504 ], 

505 } 

506 

507 def get_tokens_unprocessed(self, text): 

508 from pygments.lexers._asy_builtins import ASYFUNCNAME, ASYVARNAME 

509 for index, token, value in \ 

510 RegexLexer.get_tokens_unprocessed(self, text): 

511 if token is Name and value in ASYFUNCNAME: 

512 token = Name.Function 

513 elif token is Name and value in ASYVARNAME: 

514 token = Name.Variable 

515 yield index, token, value 

516 

517 

518def _shortened(word): 

519 dpos = word.find('$') 

520 return '|'.join(word[:dpos] + word[dpos+1:i] + r'\b' 

521 for i in range(len(word), dpos, -1)) 

522 

523 

524def _shortened_many(*words): 

525 return '|'.join(map(_shortened, words)) 

526 

527 

528class GnuplotLexer(RegexLexer): 

529 """ 

530 For Gnuplot plotting scripts. 

531 

532 .. versionadded:: 0.11 

533 """ 

534 

535 name = 'Gnuplot' 

536 url = 'http://gnuplot.info/' 

537 aliases = ['gnuplot'] 

538 filenames = ['*.plot', '*.plt'] 

539 mimetypes = ['text/x-gnuplot'] 

540 

541 tokens = { 

542 'root': [ 

543 include('whitespace'), 

544 (_shortened('bi$nd'), Keyword, 'bind'), 

545 (_shortened_many('ex$it', 'q$uit'), Keyword, 'quit'), 

546 (_shortened('f$it'), Keyword, 'fit'), 

547 (r'(if)(\s*)(\()', bygroups(Keyword, Text, Punctuation), 'if'), 

548 (r'else\b', Keyword), 

549 (_shortened('pa$use'), Keyword, 'pause'), 

550 (_shortened_many('p$lot', 'rep$lot', 'sp$lot'), Keyword, 'plot'), 

551 (_shortened('sa$ve'), Keyword, 'save'), 

552 (_shortened('se$t'), Keyword, ('genericargs', 'optionarg')), 

553 (_shortened_many('sh$ow', 'uns$et'), 

554 Keyword, ('noargs', 'optionarg')), 

555 (_shortened_many('low$er', 'ra$ise', 'ca$ll', 'cd$', 'cl$ear', 

556 'h$elp', '\\?$', 'hi$story', 'l$oad', 'pr$int', 

557 'pwd$', 're$read', 'res$et', 'scr$eendump', 

558 'she$ll', 'sy$stem', 'up$date'), 

559 Keyword, 'genericargs'), 

560 (_shortened_many('pwd$', 're$read', 'res$et', 'scr$eendump', 

561 'she$ll', 'test$'), 

562 Keyword, 'noargs'), 

563 (r'([a-zA-Z_]\w*)(\s*)(=)', 

564 bygroups(Name.Variable, Whitespace, Operator), 'genericargs'), 

565 (r'([a-zA-Z_]\w*)(\s*)(\()(.*?)(\))(\s*)(=)', 

566 bygroups(Name.Function, Whitespace, Punctuation, 

567 Text, Punctuation, Whitespace, Operator), 'genericargs'), 

568 (r'@[a-zA-Z_]\w*', Name.Constant), # macros 

569 (r';', Keyword), 

570 ], 

571 'comment': [ 

572 (r'[^\\\n]+', Comment), 

573 (r'\\\n', Comment), 

574 (r'\\', Comment), 

575 # don't add the newline to the Comment token 

576 default('#pop'), 

577 ], 

578 'whitespace': [ 

579 ('#', Comment, 'comment'), 

580 (r'[ \t\v\f]+', Whitespace), 

581 ], 

582 'noargs': [ 

583 include('whitespace'), 

584 # semicolon and newline end the argument list 

585 (r';', Punctuation, '#pop'), 

586 (r'\n', Whitespace, '#pop'), 

587 ], 

588 'dqstring': [ 

589 (r'"', String, '#pop'), 

590 (r'\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|[0-7]{1,3})', String.Escape), 

591 (r'[^\\"\n]+', String), # all other characters 

592 (r'\\\n', String), # line continuation 

593 (r'\\', String), # stray backslash 

594 (r'\n', Whitespace, '#pop'), # newline ends the string too 

595 ], 

596 'sqstring': [ 

597 (r"''", String), # escaped single quote 

598 (r"'", String, '#pop'), 

599 (r"[^\\'\n]+", String), # all other characters 

600 (r'\\\n', String), # line continuation 

601 (r'\\', String), # normal backslash 

602 (r'\n', Whitespace, '#pop'), # newline ends the string too 

603 ], 

604 'genericargs': [ 

605 include('noargs'), 

606 (r'"', String, 'dqstring'), 

607 (r"'", String, 'sqstring'), 

608 (r'(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+', Number.Float), 

609 (r'(\d+\.\d*|\.\d+)', Number.Float), 

610 (r'-?\d+', Number.Integer), 

611 ('[,.~!%^&*+=|?:<>/-]', Operator), 

612 (r'[{}()\[\]]', Punctuation), 

613 (r'(eq|ne)\b', Operator.Word), 

614 (r'([a-zA-Z_]\w*)(\s*)(\()', 

615 bygroups(Name.Function, Text, Punctuation)), 

616 (r'[a-zA-Z_]\w*', Name), 

617 (r'@[a-zA-Z_]\w*', Name.Constant), # macros 

618 (r'(\\)(\n)', bygroups(Text, Whitespace)), 

619 ], 

620 'optionarg': [ 

621 include('whitespace'), 

622 (_shortened_many( 

623 "a$ll", "an$gles", "ar$row", "au$toscale", "b$ars", "bor$der", 

624 "box$width", "cl$abel", "c$lip", "cn$trparam", "co$ntour", "da$ta", 

625 "data$file", "dg$rid3d", "du$mmy", "enc$oding", "dec$imalsign", 

626 "fit$", "font$path", "fo$rmat", "fu$nction", "fu$nctions", "g$rid", 

627 "hid$den3d", "his$torysize", "is$osamples", "k$ey", "keyt$itle", 

628 "la$bel", "li$nestyle", "ls$", "loa$dpath", "loc$ale", "log$scale", 

629 "mac$ros", "map$ping", "map$ping3d", "mar$gin", "lmar$gin", 

630 "rmar$gin", "tmar$gin", "bmar$gin", "mo$use", "multi$plot", 

631 "mxt$ics", "nomxt$ics", "mx2t$ics", "nomx2t$ics", "myt$ics", 

632 "nomyt$ics", "my2t$ics", "nomy2t$ics", "mzt$ics", "nomzt$ics", 

633 "mcbt$ics", "nomcbt$ics", "of$fsets", "or$igin", "o$utput", 

634 "pa$rametric", "pm$3d", "pal$ette", "colorb$ox", "p$lot", 

635 "poi$ntsize", "pol$ar", "pr$int", "obj$ect", "sa$mples", "si$ze", 

636 "st$yle", "su$rface", "table$", "t$erminal", "termo$ptions", "ti$cs", 

637 "ticsc$ale", "ticsl$evel", "timef$mt", "tim$estamp", "tit$le", 

638 "v$ariables", "ve$rsion", "vi$ew", "xyp$lane", "xda$ta", "x2da$ta", 

639 "yda$ta", "y2da$ta", "zda$ta", "cbda$ta", "xl$abel", "x2l$abel", 

640 "yl$abel", "y2l$abel", "zl$abel", "cbl$abel", "xti$cs", "noxti$cs", 

641 "x2ti$cs", "nox2ti$cs", "yti$cs", "noyti$cs", "y2ti$cs", "noy2ti$cs", 

642 "zti$cs", "nozti$cs", "cbti$cs", "nocbti$cs", "xdti$cs", "noxdti$cs", 

643 "x2dti$cs", "nox2dti$cs", "ydti$cs", "noydti$cs", "y2dti$cs", 

644 "noy2dti$cs", "zdti$cs", "nozdti$cs", "cbdti$cs", "nocbdti$cs", 

645 "xmti$cs", "noxmti$cs", "x2mti$cs", "nox2mti$cs", "ymti$cs", 

646 "noymti$cs", "y2mti$cs", "noy2mti$cs", "zmti$cs", "nozmti$cs", 

647 "cbmti$cs", "nocbmti$cs", "xr$ange", "x2r$ange", "yr$ange", 

648 "y2r$ange", "zr$ange", "cbr$ange", "rr$ange", "tr$ange", "ur$ange", 

649 "vr$ange", "xzeroa$xis", "x2zeroa$xis", "yzeroa$xis", "y2zeroa$xis", 

650 "zzeroa$xis", "zeroa$xis", "z$ero"), Name.Builtin, '#pop'), 

651 ], 

652 'bind': [ 

653 ('!', Keyword, '#pop'), 

654 (_shortened('all$windows'), Name.Builtin), 

655 include('genericargs'), 

656 ], 

657 'quit': [ 

658 (r'gnuplot\b', Keyword), 

659 include('noargs'), 

660 ], 

661 'fit': [ 

662 (r'via\b', Name.Builtin), 

663 include('plot'), 

664 ], 

665 'if': [ 

666 (r'\)', Punctuation, '#pop'), 

667 include('genericargs'), 

668 ], 

669 'pause': [ 

670 (r'(mouse|any|button1|button2|button3)\b', Name.Builtin), 

671 (_shortened('key$press'), Name.Builtin), 

672 include('genericargs'), 

673 ], 

674 'plot': [ 

675 (_shortened_many('ax$es', 'axi$s', 'bin$ary', 'ev$ery', 'i$ndex', 

676 'mat$rix', 's$mooth', 'thru$', 't$itle', 

677 'not$itle', 'u$sing', 'w$ith'), 

678 Name.Builtin), 

679 include('genericargs'), 

680 ], 

681 'save': [ 

682 (_shortened_many('f$unctions', 's$et', 't$erminal', 'v$ariables'), 

683 Name.Builtin), 

684 include('genericargs'), 

685 ], 

686 } 

687 

688 

689class PovrayLexer(RegexLexer): 

690 """ 

691 For Persistence of Vision Raytracer files. 

692 

693 .. versionadded:: 0.11 

694 """ 

695 name = 'POVRay' 

696 url = 'http://www.povray.org/' 

697 aliases = ['pov'] 

698 filenames = ['*.pov', '*.inc'] 

699 mimetypes = ['text/x-povray'] 

700 

701 tokens = { 

702 'root': [ 

703 (r'/\*[\w\W]*?\*/', Comment.Multiline), 

704 (r'//.*$', Comment.Single), 

705 (r'(?s)"(?:\\.|[^"\\])+"', String.Double), 

706 (words(( 

707 'break', 'case', 'debug', 'declare', 'default', 'define', 'else', 

708 'elseif', 'end', 'error', 'fclose', 'fopen', 'for', 'if', 'ifdef', 

709 'ifndef', 'include', 'local', 'macro', 'range', 'read', 'render', 

710 'statistics', 'switch', 'undef', 'version', 'warning', 'while', 

711 'write'), prefix=r'#', suffix=r'\b'), 

712 Comment.Preproc), 

713 (words(( 

714 'aa_level', 'aa_threshold', 'abs', 'acos', 'acosh', 'adaptive', 'adc_bailout', 

715 'agate', 'agate_turb', 'all', 'alpha', 'ambient', 'ambient_light', 'angle', 

716 'aperture', 'arc_angle', 'area_light', 'asc', 'asin', 'asinh', 'assumed_gamma', 

717 'atan', 'atan2', 'atanh', 'atmosphere', 'atmospheric_attenuation', 

718 'attenuating', 'average', 'background', 'black_hole', 'blue', 'blur_samples', 

719 'bounded_by', 'box_mapping', 'bozo', 'break', 'brick', 'brick_size', 

720 'brightness', 'brilliance', 'bumps', 'bumpy1', 'bumpy2', 'bumpy3', 'bump_map', 

721 'bump_size', 'case', 'caustics', 'ceil', 'checker', 'chr', 'clipped_by', 'clock', 

722 'color', 'color_map', 'colour', 'colour_map', 'component', 'composite', 'concat', 

723 'confidence', 'conic_sweep', 'constant', 'control0', 'control1', 'cos', 'cosh', 

724 'count', 'crackle', 'crand', 'cube', 'cubic_spline', 'cylindrical_mapping', 

725 'debug', 'declare', 'default', 'degrees', 'dents', 'diffuse', 'direction', 

726 'distance', 'distance_maximum', 'div', 'dust', 'dust_type', 'eccentricity', 

727 'else', 'emitting', 'end', 'error', 'error_bound', 'exp', 'exponent', 

728 'fade_distance', 'fade_power', 'falloff', 'falloff_angle', 'false', 

729 'file_exists', 'filter', 'finish', 'fisheye', 'flatness', 'flip', 'floor', 

730 'focal_point', 'fog', 'fog_alt', 'fog_offset', 'fog_type', 'frequency', 'gif',