pspp-mode.el

   1 ;;; pspp-mode-el -- Major mode for editing PSPP files
   2
   3 ;; Copyright (C) 2005 Free Software Foundation
   4 ;; Created: 05 March 2005
   5 ;; Keywords: PSPP major-mode
   6
   7
   8
   9 ;; Based on the example wpdl-mode.el by Scott Borton
  10 ;; Author: Scott Andrew Borton <scott@pp.htv.fi>
  11
  12 ;; Copyright (C) 2000, 2003 Scott Andrew Borton <scott@pp.htv.fi>
  13
  14 ;; This program is free software: you can redistribute it and/or modify
  15 ;; it under the terms of the GNU General Public License as published by
  16 ;; the Free Software Foundation, either version 3 of the License, or
  17 ;; (at your option) any later version.
  18 ;;
  19 ;; This program is distributed in the hope that it will be useful,
  20 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 ;; GNU General Public License for more details.
  23 ;;
  24 ;; You should have received a copy of the GNU General Public License
  25 ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
  26
  27 ;;; Code:
  28 (defvar pspp-mode-hook nil)
  29 (defvar pspp-mode-map
  30   (let ((pspp-mode-map (make-keymap)))
  31     (define-key pspp-mode-map "\C-j" 'newline-and-indent)
  32     pspp-mode-map)
  33   "Keymap for PSPP major mode")
  34
  35 (add-to-list 'auto-mode-alist '("\\.sps\\'" . pspp-mode))
  36
  37
  38 (defun pspp-data-block-p ()
  39   "Returns t if current line is inside a data block."
  40   (save-excursion
  41     (let (
  42           (pspp-end-of-block-found nil)
  43           (pspp-start-of-block-found nil)
  44           )
  45       (beginning-of-line)
  46       (while (not (or
  47                    (or (bobp) pspp-end-of-block-found )
  48                    pspp-start-of-block-found
  49                    )
  50                   )
  51         (set 'pspp-end-of-block-found (looking-at "^[ \t]*END[\t ]+DATA\."))
  52         (set 'pspp-start-of-block-found (looking-at "^[ \t]*BEGIN[\t ]+DATA"))
  53         (forward-line -1)
  54         )
  55
  56       (and pspp-start-of-block-found (not pspp-end-of-block-found))
  57       )
  58     )
  59   )
  60
  61 (defconst pspp-indent-width
  62   2
  63   "size of indent"
  64 )
  65
  66
  67 (defconst pspp-indenters
  68   (concat "^[\t ]*"
  69           (regexp-opt '("DO"
  70                         "BEGIN"
  71                         "LOOP"
  72                         "INPUT") t)
  73           "[\t ]+")
  74   "constructs which cause indentation"
  75 )
  76
  77
  78 (defconst pspp-unindenters
  79   (concat "^[\t ]*END[\t ]+"
  80           (regexp-opt '("IF"
  81                         "DATA"
  82                         "LOOP"
  83                         "REPEAT"
  84                         "INPUT") t)
  85           "[\t ]*")
  86
  87   ;; Note that "END CASE" and "END FILE" do not unindent.
  88
  89   "constructs which cause end of indentation"
  90 )
  91
  92
  93
  94 (defun pspp-indent-line ()
  95   "Indent current line as PSPP code."
  96
  97   (beginning-of-line)
  98   (let (
  99         (verbatim nil)
 100         (the-indent 0)          ; Default indent to column 0
 101         (case-fold-search t)
 102         )
 103
 104     (if (bobp)
 105         (setq the-indent 0)     ; First line is always non-indented
 106       )
 107
 108
 109     (let (
 110           (within-command nil)
 111           (blank-line t)
 112           )
 113
 114       ;; If the most recent non blank line ended with a `.' then
 115       ;; we're at the start of a new command.
 116
 117       (save-excursion
 118         (while (and blank-line  (not (bobp)))
 119           (forward-line -1)
 120
 121           (if (and (not (pspp-data-block-p)) (not (looking-at "^[ \t]*$")))
 122               (progn
 123                 (setq blank-line nil)
 124
 125                 (if (not (looking-at ".*\\.[ \t]*$"))
 126                     (setq within-command t)
 127                   )
 128                 )
 129             )
 130           )
 131         )
 132
 133
 134       ;; If we're not at the start of a new command, then add an indent.
 135       (if within-command
 136           (set 'the-indent (+ 1 the-indent))
 137         )
 138       )
 139
 140
 141     ;; Set the indentation according to the DO - END blocks
 142     (save-excursion
 143       (beginning-of-line)
 144       (while (not (bobp))
 145         (beginning-of-line)
 146         (if  (not (pspp-comment-p))
 147             (cond
 148              (
 149               (save-excursion
 150                 (forward-line -1)
 151                 (looking-at pspp-indenters)
 152                 )
 153               (set 'the-indent (+ the-indent 1) )
 154               )
 155
 156              ( (looking-at pspp-unindenters)
 157                (set 'the-indent (- the-indent 1) )
 158                )
 159              )
 160           )
 161         (forward-line -1)
 162         )
 163       )
 164
 165     (save-excursion
 166       (beginning-of-line)
 167       (if (looking-at "^[\t ]*ELSE")
 168           (set 'the-indent (- the-indent 1)))
 169       )
 170
 171     ;; Stuff in the data-blocks should be untouched
 172     (if (not (pspp-data-block-p))  (indent-line-to (* pspp-indent-width the-indent)))
 173     )
 174 )
 175
 176
 177 (defun pspp-comment-start-line-p ()
 178   "Returns t if the current line is the first line of a comment, nil otherwise"
 179   (beginning-of-line)
 180   (or (looking-at "^\*")
 181       (looking-at "^[\t ]*COMMENT[\t ]")
 182       )
 183   )
 184
 185
 186 (defun pspp-comment-end-line-p ()
 187   "Returns t if the current line is the candidate for the last line of a comment, nil otherwise"
 188   (beginning-of-line)
 189   (looking-at ".*\\.[\t ]*$")
 190   )
 191
 192
 193
 194 (defun pspp-comment-p ()
 195   "Returns t if point is in a comment.  Nil otherwise."
 196   (if (pspp-data-block-p)
 197       nil
 198     (let (
 199           (pspp-comment-start-found nil)
 200           (pspp-comment-end-found nil)
 201           (pspp-single-line-comment nil)
 202           (lines 1)
 203           )
 204       (save-excursion
 205         (end-of-line)
 206         (while   (and (>= lines 0)
 207                       (not pspp-comment-start-found)
 208                       (not pspp-comment-end-found)
 209                       )
 210           (beginning-of-line)
 211           (if (pspp-comment-start-line-p) (set 'pspp-comment-start-found t))
 212           (if (bobp)
 213               (set 'pspp-comment-end-found nil)
 214             (save-excursion
 215               (forward-line -1)
 216               (if (pspp-comment-end-line-p) (set 'pspp-comment-end-found t))
 217               )
 218             )
 219           (set 'lines (forward-line -1))
 220           )
 221         )
 222
 223       (save-excursion
 224         (set 'pspp-single-line-comment (and
 225                                         (pspp-comment-start-line-p)
 226                                         (pspp-comment-end-line-p)))
 227         )
 228
 229
 230       (or pspp-single-line-comment
 231           (and pspp-comment-start-found (not pspp-comment-end-found)))
 232       )
 233     )
 234   )
 235
 236 (defvar pspp-mode-syntax-table
 237   (let (
 238         (x-pspp-mode-syntax-table (make-syntax-table))
 239         )
 240
 241     ;; Special chars allowed in variables
 242       (modify-syntax-entry ?#  "w" x-pspp-mode-syntax-table)
 243       (modify-syntax-entry ?@  "w" x-pspp-mode-syntax-table)
 244       (modify-syntax-entry ?$  "w" x-pspp-mode-syntax-table)
 245
 246     ;; Comment syntax
 247     ;;  This is incomplete, because:
 248     ;;  a) Comments can also be given by COMMENT
 249     ;;  b) The sequence .\n* is interpreted incorrectly.
 250
 251       (modify-syntax-entry ?*  ". 2" x-pspp-mode-syntax-table)
 252       (modify-syntax-entry ?.  ". 3" x-pspp-mode-syntax-table)
 253       (modify-syntax-entry ?\n  "- 41" x-pspp-mode-syntax-table)
 254
 255
 256     ;; String delimiters
 257       (modify-syntax-entry ?'  "\"" x-pspp-mode-syntax-table)
 258       (modify-syntax-entry ?"  "\"" x-pspp-mode-syntax-table)
 259
 260     x-pspp-mode-syntax-table)
 261
 262     "Syntax table for pspp-mode")
 263
 264
 265 (defconst pspp-font-lock-keywords
 266   (list
 267
 268    (cons  (concat "\\<"
 269                   (regexp-opt '(
 270                                 "END DATA"
 271                                 "ACF"
 272                                 "ADD FILES"
 273                                 "ADD VALUE LABELS"
 274                                 "AGGREGATE"
 275                                 "ANOVA"
 276                                 "APPLY DICTIONARY"
 277                                 "AREG"
 278                                 "ARIMA"
 279                                 "AUTORECODE"
 280                                 "BEGIN DATA"
 281                                 "BREAK"
 282                                 "CASEPLOT"
 283                                 "CASESTOVARS"
 284                                 "CCF"
 285                                 "CLEAR TRANSFORMATIONS"
 286                                 "CLUSTER"
 287                                 "COMPUTE"
 288                                 "CONJOINT"
 289                                 "CORRELATIONS"
 290                                 "COXREG"
 291                                 "COUNT"
 292                                 "CREATE"
 293                                 "CROSSTABS"
 294                                 "CURVEFIT"
 295                                 "DATA LIST"
 296                                 "DATE"
 297                                 "DEBUG CASEFILE"
 298                                 "DEBUG EVALUATE"
 299                                 "DEBUG MOMENTS"
 300                                 "DEBUG POOL"
 301                                 "DELETE VARIABLES"
 302                                 "DESCRIPTIVES"
 303                                 "DISCRIMINANT"
 304                                 "DISPLAY"
 305                                 "DOCUMENT"
 306                                 "DO IF"
 307                                 "DO REPEAT"
 308                                 "DROP DOCUMENTS"
 309                                 "ECHO"
 310                                 "EDIT"
 311                                 "ELSE"
 312                                 "ELSE IF"
 313                                 "END CASE"
 314                                 "END FILE"
 315                                 "END FILE TYPE"
 316                                 "END IF"
 317                                 "END INPUT PROGRAM"
 318                                 "END LOOP"
 319                                 "END REPEAT"
 320                                 "ERASE"
 321                                 "EXAMINE"
 322                                 "EXECUTE"
 323                                 "EXIT"
 324                                 "EXPORT"
 325                                 "FACTOR"
 326                                 "FILE HANDLE"
 327                                 "FILE LABEL"
 328                                 "FILE TYPE"
 329                                 "FILTER"
 330                                 "FINISH"
 331                                 "FIT"
 332                                 "FLIP"
 333                                 "FORMATS"
 334                                 "FREQUENCIES"
 335                                 "GENLOG"
 336                                 "GET"
 337                                 "GET TRANSLATE"
 338                                 "GLM"
 339                                 "GRAPH"
 340                                 "HILOGLINEAR"
 341                                 "HOST"
 342                                 "IF"
 343                                 "IGRAPH"
 344                                 "IMPORT"
 345                                 "INCLUDE"
 346                                 "INFO"
 347                                 "INPUT MATRIX"
 348                                 "INPUT PROGRAM"
 349                                 "KEYED DATA LIST"
 350                                 "LEAVE"
 351                                 "LIST"
 352                                 "LOGLINEAR"
 353                                 "LOGISITIC REGRESSION"
 354                                 "LOOP"
 355                                 "MATCH FILES"
 356                                 "MATRIX DATA"
 357                                 "MCONVERT"
 358                                 "MEANS"
 359                                 "MISSING VALUES"
 360                                 "MODIFY VARS"
 361                                 "MULT RESPONSE"
 362                                 "MVA"
 363                                 "NEW FILE"
 364                                 "N"
 365                                 "N OF CASES"
 366                                 "NLR"
 367                                 "NONPAR CORR"
 368                                 "NPAR TESTS"
 369                                 "NUMBERED"
 370                                 "NUMERIC"
 371                                 "OLAP CUBES"
 372                                 "OMS"
 373                                 "ONEWAY"
 374                                 "ORTHOPLAN"
 375                                 "PACF"
 376                                 "PARTIAL CORR"
 377                                 "PEARSON CORRELATIONS"
 378                                 "PERMISSIONS"
 379                                 "PLOT"
 380                                 "POINT"
 381                                 "PPLOT"
 382                                 "PREDICT"
 383                                 "PRESERVE"
 384                                 "PRINT EJECT"
 385                                 "PRINT"
 386                                 "PRINT FORMATS"
 387                                 "PRINT SPACE"
 388                                 "PROCEDURE OUTPUT"
 389                                 "PROXIMITIES"
 390                                 "Q"
 391                                 "QUICK CLUSTER"
 392                                 "QUIT"
 393                                 "RANK"
 394                                 "RECODE"
 395                                 "RECORD TYPE"
 396                                 "REFORMAT"
 397                                 "REGRESSION"
 398                                 "RENAME VARIABLES"
 399                                 "REPEATING DATA"
 400                                 "REPORT"
 401                                 "REREAD"
 402                                 "RESTORE"
 403                                 "RMV"
 404                                 "SAMPLE"
 405                                 "SAVE"
 406                                 "SAVE TRANSLATE"
 407                                 "SCRIPT"
 408                                 "SELECT IF"
 409                                 "SET"
 410                                 "SHOW"
 411                                 "SORT CASES"
 412                                 "SORT"
 413                                 "SPCHART"
 414                                 "SPLIT FILE"
 415                                 "STRING"
 416                                 "SUBTITLE"
 417                                 "SUMMARIZE"
 418                                 "SURVIVAL"
 419                                 "SYSFILE INFO"
 420                                 "TEMPORARY"
 421                                 "TITLE"
 422                                 "TSET"
 423                                 "TSHOW"
 424                                 "TSPLOT"
 425                                 "T-TEST"
 426                                 "UNIANOVA"
 427                                 "UNNUMBERED"
 428                                 "UPDATE"
 429                                 "USE"
 430                                 "VALUE LABELS"
 431                                 "VARIABLE ALIGNMENT"
 432                                 "VARIABLE LABELS"
 433                                 "VARIABLE LEVEL"
 434                                 "VARIABLE WIDTH"
 435                                 "VARSTOCASES"
 436                                 "VECTOR"
 437                                 "VERIFY"
 438                                 "WEIGHT"
 439                                 "WRITE"
 440                                 "WRITE FORMATS"
 441                                 "XSAVE") t) "\\>" )
 442           'font-lock-builtin-face)
 443
 444    (cons
 445     (concat "\\<" (regexp-opt '(
 446                                 "ALL" "AND" "BY" "EQ" "GE" "GT" "LE" "LT"
 447                                 "NE" "NOT" "OR" "TO" "WITH"
 448                                 ) t ) "\\>") 'font-lock-keyword-face)
 449
 450
 451    (cons
 452     (concat "\\<"
 453             (regexp-opt '(
 454                           "ABS"
 455                           "ACOS"
 456                           "ANY"
 457                           "ANY"
 458                           "ARCOS"
 459                           "ARSIN"
 460                           "ARTAN"
 461                           "ASIN"
 462                           "ATAN"
 463                           "CDF.BERNOULLI"
 464                           "CDF.BETA"
 465                           "CDF.BINOM"
 466                           "CDF.BVNOR"
 467                           "CDF.CAUCHY"
 468                           "CDF.CHISQ"
 469                           "CDF.EXP"
 470                           "CDF.F"
 471                           "CDF.GAMMA"
 472                           "CDF.GEOM"
 473                           "CDF.HALFNRM"
 474                           "CDF.HYPER"
 475                           "CDF.IGAUSS"
 476                           "CDF.LAPLACE"
 477                           "CDF.LNORMAL"
 478                           "CDF.LOGISTIC"
 479                           "CDF.NEGBIN"
 480                           "CDF.NORMAL"
 481                           "CDF.PARETO"
 482                           "CDF.POISSON"
 483                           "CDF.RAYLEIGH"
 484                           "CDF.SMOD"
 485                           "CDF.SRANGE"
 486                           "CDF.T"
 487                           "CDF.T1G"
 488                           "CDF.T2G"
 489                           "CDF.UNIFORM"
 490                           "CDF.WEIBULL"
 491                           "CDFNORM"
 492                           "CFVAR"
 493                           "CONCAT"
 494                           "COS"
 495                           "CTIME.DAYS"
 496                           "CTIME.HOURS"
 497                           "CTIME.MINUTES"
 498                           "CTIME.SECONDS"
 499                           "DATE.DMY"
 500                           "DATE.MDY"
 501                           "DATE.MOYR"
 502                           "DATE.QYR"
 503                           "DATE.WKYR"
 504                           "DATE.YRDAY"
 505                           "EXP"
 506                           "IDF.BETA"
 507                           "IDF.CAUCHY"
 508                           "IDF.CHISQ"
 509                           "IDF.EXP"
 510                           "IDF.F"
 511                           "IDF.GAMMA"
 512                           "IDF.HALFNRM"
 513                           "IDF.IGAUSS"
 514                           "IDF.LAPLACE"
 515                           "IDF.LNORMAL"
 516                           "IDF.LOGISTIC"
 517                           "IDF.NORMAL"
 518                           "IDF.PARETO"
 519                           "IDF.RAYLEIGH"
 520                           "IDF.SMOD"
 521                           "IDF.SRANGE"
 522                           "IDF.T"
 523                           "IDF.T1G"
 524                           "IDF.T2G"
 525                           "IDF.UNIFORM"
 526                           "IDF.WEIBULL"
 527                           "INDEX"
 528                           "INDEX"
 529                           "LAG"
 530                           "LAG"
 531                           "LAG"
 532                           "LAG"
 533                           "LENGTH"
 534                           "LG10"
 535                           "LN"
 536                           "LNGAMMA"
 537                           "LOWER"
 538                           "LPAD"
 539                           "LPAD"
 540                           "LTRIM"
 541                           "LTRIM"
 542                           "MAX"
 543                           "MAX"
 544                           "MBLEN.BYTE"
 545                           "MEAN"
 546                           "MIN"
 547                           "MIN"
 548                           "MISSING"
 549                           "MOD"
 550                           "MOD10"
 551                           "NCDF.BETA"
 552                           "NCDF.CHISQ"
 553                           "NCDF.F"
 554                           "NCDF.T"
 555                           "NMISS"
 556                           "NORMAL"
 557                           "NPDF.BETA"
 558                           "NPDF.CHISQ"
 559                           "NPDF.F"
 560                           "NPDF.T"
 561                           "NUMBER"
 562                           "NVALID"
 563                           "PDF.BERNOULLI"
 564                           "PDF.BETA"
 565                           "PDF.BINOM"
 566                           "PDF.BVNOR"
 567                           "PDF.CAUCHY"
 568                           "PDF.CHISQ"
 569                           "PDF.EXP"
 570                           "PDF.F"
 571                           "PDF.GAMMA"
 572                           "PDF.GEOM"
 573                           "PDF.HALFNRM"
 574                           "PDF.HYPER"
 575                           "PDF.IGAUSS"
 576                           "PDF.LANDAU"
 577                           "PDF.LAPLACE"
 578                           "PDF.LNORMAL"
 579                           "PDF.LOG"
 580                           "PDF.LOGISTIC"
 581                           "PDF.NEGBIN"
 582                           "PDF.NORMAL"
 583                           "PDF.NTAIL"
 584                           "PDF.PARETO"
 585                           "PDF.POISSON"
 586                           "PDF.RAYLEIGH"
 587                           "PDF.RTAIL"
 588                           "PDF.T"
 589                           "PDF.T1G"
 590                           "PDF.T2G"
 591                           "PDF.UNIFORM"
 592                           "PDF.WEIBULL"
 593                           "PDF.XPOWER"
 594                           "PROBIT"
 595                           "RANGE"
 596                           "RANGE"
 597                           "RINDEX"
 598                           "RINDEX"
 599                           "RND"
 600                           "RPAD"
 601                           "RPAD"
 602                           "RTRIM"
 603                           "RTRIM"
 604                           "RV.BERNOULLI"
 605                           "RV.BETA"
 606                           "RV.BINOM"
 607                           "RV.CAUCHY"
 608                           "RV.CHISQ"
 609                           "RV.EXP"
 610                           "RV.F"
 611                           "RV.GAMMA"
 612                           "RV.GEOM"
 613                           "RV.HALFNRM"
 614                           "RV.HYPER"
 615                           "RV.IGAUSS"
 616                           "RV.LANDAU"
 617                           "RV.LAPLACE"
 618                           "RV.LEVY"
 619                           "RV.LNORMAL"
 620                           "RV.LOG"
 621                           "RV.LOGISTIC"
 622                           "RV.LVSKEW"
 623                           "RV.NEGBIN"
 624                           "RV.NORMAL"
 625                           "RV.NTAIL"
 626                           "RV.PARETO"
 627                           "RV.POISSON"
 628                           "RV.RAYLEIGH"
 629                           "RV.RTAIL"
 630                           "RV.T"
 631                           "RV.T1G"
 632                           "RV.T2G"
 633                           "RV.UNIFORM"
 634                           "RV.WEIBULL"
 635                           "RV.XPOWER"
 636                           "SD"
 637                           "SIG.CHISQ"
 638                           "SIG.F"
 639                           "SIN"
 640                           "SQRT"
 641                           "STRING"
 642                           "SUBSTR"
 643                           "SUBSTR"
 644                           "SUM"
 645                           "SYSMIS"
 646                           "SYSMIS"
 647                           "TAN"
 648                           "TIME.DAYS"
 649                           "TIME.HMS"
 650                           "TRUNC"
 651                           "UNIFORM"
 652                           "UPCASE"
 653                           "VALUE"
 654                           "VARIANCE"
 655                           "XDATE.DATE"
 656                           "XDATE.HOUR"
 657                           "XDATE.JDAY"
 658                           "XDATE.MDAY"
 659                           "XDATE.MINUTE"
 660                           "XDATE.MONTH"
 661                           "XDATE.QUARTER"
 662                           "XDATE.SECOND"
 663                           "XDATE.TDAY"
 664                           "XDATE.TIME"
 665                           "XDATE.WEEK"
 666                           "XDATE.WKDAY"
 667                           "XDATE.YEAR"
 668                           "YRMODA" )
 669                         t) "\\>" )  'font-lock-function-name-face)
 670
 671   '( "\\<[#$@a-zA-Z][a-zA-Z0-9_]*\\>" . font-lock-variable-name-face)
 672
 673
 674
 675   )
 676 "Highlighting expressions for PSPP mode.")
 677
 678
 679 (defun pspp-mode ()
 680   (interactive)
 681   (kill-all-local-variables)
 682   (use-local-map pspp-mode-map)
 683   (set-syntax-table pspp-mode-syntax-table)
 684
 685   (set (make-local-variable 'font-lock-keywords-case-fold-search) t)
 686   (set (make-local-variable 'font-lock-defaults) '(pspp-font-lock-keywords))
 687
 688   (set (make-local-variable 'indent-line-function) 'pspp-indent-line)
 689   (set (make-local-variable 'comment-start ) "* ")
 690   (set (make-local-variable 'compile-command)
 691        (concat "pspp "
 692                buffer-file-name
 693                ))
 694
 695   (setq major-mode 'pspp-mode)
 696   (setq mode-name "PSPP")
 697   (run-hooks 'pspp-mode-hook))
 698
 699 (provide 'pspp-mode)
 700
 701 ;;; pspp-mode.el ends here
 702