1/******************************************************************************
2 *
3 * Module Name: dtio.c - File I/O support for data table compiler
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2011, Intel Corp.

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61 DT_FIELD *Field);
62
63static ACPI_STATUS
64DtParseLine (
65 char *LineBuffer,
66 UINT32 Line,
67 UINT32 Offset);
68
69UINT32
70DtGetNextLine (
71 FILE *Handle);
72
73static void
74DtWriteBinary (
75 DT_SUBTABLE *Subtable,
76 void *Context,
77 void *ReturnValue);
78
79static void
80DtDumpBuffer (
81 UINT32 FileId,
82 UINT8 *Buffer,
83 UINT32 Offset,
84 UINT32 Length);
85
86
87/* States for DtGetNextLine */
88
89#define DT_NORMAL_TEXT 0
90#define DT_START_QUOTED_STRING 1
91#define DT_START_COMMENT 2
92#define DT_SLASH_ASTERISK_COMMENT 3
93#define DT_SLASH_SLASH_COMMENT 4
94#define DT_END_COMMENT 5

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321
322 while (*End)
323 {
324 /* Found left quotation, go to the right quotation and break */
325
326 if (*End == '"')
327 {
328 End++;
329 while (*End && (*End != '"'))
330 {
331 End++;
332 }
333
334 End++;
335 break;
336 }
337
338 /*
339 * Special "comment" fields at line end, ignore them.
340 * Note: normal slash-slash and slash-asterisk comments are
341 * stripped already by the DtGetNextLine parser.
342 *
343 * TBD: Perhaps DtGetNextLine should parse the following type
344 * of comments also.
345 */
346 if (*End == '(' ||
347 *End == '<')
348 {
349 break;
350 }
351
352 End++;
353 }
354
355 Length = ACPI_PTR_DIFF (End, Start);

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389 * Handles both slash-asterisk and slash-slash comments.
390 * Also, quoted strings, but no escapes within.
391 *
392 * Line is returned in Gbl_CurrentLineBuffer.
393 * Line number in original file is returned in Gbl_CurrentLineNumber.
394 *
395 *****************************************************************************/
396
397UINT32
398DtGetNextLine (
399 FILE *Handle)
400{
401 UINT32 State = DT_NORMAL_TEXT;
402 UINT32 CurrentLineOffset;
403 UINT32 i;
404 char c;
405
406
407 for (i = 0; i < ASL_LINE_BUFFER_SIZE;)
408 {
409 c = (char) getc (Handle);
410 if (c == EOF)
411 {
412 switch (State)
413 {
414 case DT_START_QUOTED_STRING:
415 case DT_SLASH_ASTERISK_COMMENT:
416 case DT_SLASH_SLASH_COMMENT:
417
418 AcpiOsPrintf ("**** EOF within comment/string %u\n", State);
419 break;
420
421 default:
422 break;
423 }
424
425 return (0);
426 }
427
428 switch (State)
429 {
430 case DT_NORMAL_TEXT:
431
432 /* Normal text, insert char into line buffer */

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537 /* End comment if this char is a slash */
538
539 switch (c)
540 {
541 case '/':
542 State = DT_NORMAL_TEXT;
543 break;
544
545 case '\n':
546 CurrentLineOffset = Gbl_NextLineOffset;
547 Gbl_NextLineOffset = (UINT32) ftell (Handle);
548 Gbl_CurrentLineNumber++;
549 break;
550
551 case '*':
552 /* Consume all adjacent asterisks */
553 break;
554
555 default:
556 State = DT_SLASH_ASTERISK_COMMENT;
557 break;
558 }
559 break;
560
561 default:
562 DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, "Unknown input state");

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680 */
681
682/******************************************************************************
683 *
684 * FUNCTION: DtDumpBuffer
685 *
686 * PARAMETERS: FileID - Where to write buffer data
687 * Buffer - Buffer to dump
688 * Offset - Offset in current table
689 * Length - Buffer Length
690 *
691 * RETURN: None
692 *
693 * DESCRIPTION: Another copy of DumpBuffer routine (unfortunately).
694 *
695 * TBD: merge dump buffer routines
696 *
697 *****************************************************************************/
698
699static void
700DtDumpBuffer (
701 UINT32 FileId,
702 UINT8 *Buffer,
703 UINT32 Offset,
704 UINT32 Length)
705{
706 UINT32 i;
707 UINT32 j;
708 UINT8 BufChar;
709
710
711 FlPrintFile (FileId, "Output: [%3.3Xh %4.4d% 3d] ",
712 Offset, Offset, Length);
713
714 i = 0;
715 while (i < Length)
716 {
717 if (i >= 16)
718 {
719 FlPrintFile (FileId, "%23s", "");
720 }
721
722 /* Print 16 hex chars */
723
724 for (j = 0; j < 16;)
725 {
726 if (i + j >= Length)
727 {
728 /* Dump fill spaces */
729
730 FlPrintFile (FileId, " ");
731 j++;

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808 }
809 }
810
811 /* Dump the line as parsed and represented internally */
812
813 FlPrintFile (ASL_FILE_LISTING_OUTPUT, "Parsed: %*s : %s\n",
814 Field->Column-4, Field->Name, Field->Value);
815
816 /* Dump the hex data that will be output for this field */
817
818 DtDumpBuffer (ASL_FILE_LISTING_OUTPUT, Buffer, Field->TableOffset, Length);
819}
820
821
822/******************************************************************************
823 *
824 * FUNCTION: DtWriteTableToListing
825 *
826 * PARAMETERS: None

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