| 245 | } |
| 246 | |
| 247 | function tokenLexer(stream, state) { |
| 248 | var style = state.tokenize(stream, state); |
| 249 | var current = stream.current(); |
| 250 | |
| 251 | // Handle '.' connected identifiers |
| 252 | if (current == ".") { |
| 253 | style = stream.match(identifiers, false) ? null : ERRORCLASS; |
| 254 | if (style == null && state.lastStyle == "meta") { |
| 255 | // Apply 'meta' style to '.' connected identifiers when |
| 256 | // appropriate. |
| 257 | style = "meta"; |
| 258 | } |
| 259 | return style; |
| 260 | } |
| 261 | |
| 262 | // Handle decorators |
| 263 | if (current == "@"){ |
| 264 | if(parserConf.version && parseInt(parserConf.version, 10) == 3){ |
| 265 | return stream.match(identifiers, false) ? "meta" : "operator"; |
| 266 | } else { |
| 267 | return stream.match(identifiers, false) ? "meta" : ERRORCLASS; |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | if ((style == "variable" || style == "builtin") |
| 272 | && state.lastStyle == "meta") |
| 273 | style = "meta"; |
| 274 | |
| 275 | // Handle scope changes. |
| 276 | if (current == "pass" || current == "return") |
| 277 | state.dedent += 1; |
| 278 | |
| 279 | if (current == "lambda") state.lambda = true; |
| 280 | if (current == ":" && !state.lambda && top(state).type == "py") |
| 281 | pushScope(stream, state, "py"); |
| 282 | |
| 283 | var delimiter_index = current.length == 1 ? "[({".indexOf(current) : -1; |
| 284 | if (delimiter_index != -1) |
| 285 | pushScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1)); |
| 286 | |
| 287 | delimiter_index = "])}".indexOf(current); |
| 288 | if (delimiter_index != -1) { |
| 289 | if (top(state).type == current) state.scopes.pop(); |
| 290 | else return ERRORCLASS; |
| 291 | } |
| 292 | if (state.dedent > 0 && stream.eol() && top(state).type == "py") { |
| 293 | if (state.scopes.length > 1) state.scopes.pop(); |
| 294 | state.dedent -= 1; |
| 295 | } |
| 296 | |
| 297 | return style; |
| 298 | } |
| 299 | |
| 300 | var external = { |
| 301 | startState: function(basecolumn) { |