asconvrt.c

acpi tools for linux include acpiexec and acpixtract

                    TabCount = 0;
                }
                FirstNonBlank = NULL;
                LastLineColumnStart = ThisColumnStart;
            }

            SpaceCount = 0;
            continue;
        }

        /* Ignore quoted strings */

        if ((!CommentEnd) && (*SubBuffer == '\"'))
        {
            SubBuffer++;
            SubBuffer = AsSkipPastChar (SubBuffer, '\"');
            if (!SubBuffer)
            {
                return;
            }
            SpaceCount = 0;
        }

        if (*SubBuffer != ' ')
        {
            /* Not a space, skip to end of line */

            SubBuffer = AsSkipUntilChar (SubBuffer, '\n');
            if (!SubBuffer)
            {
                return;
            }
            if (TabCount > 0)
            {
                LastLineTabCount = TabCount;
                TabCount = 0;
            }

            FirstNonBlank = NULL;
            LastLineColumnStart = ThisColumnStart;
            Column = 0;
            SpaceCount = 0;
        }
        else
        {
            /* Another space */

            SpaceCount++;

            if (SpaceCount >= 4)
            {
                /* Replace this group of spaces with a tab character */

                SpaceCount = 0;

                NewSubBuffer = SubBuffer - 3;

                if (TabCount <= ThisTabCount ? (ThisTabCount +1) : 0)
                {
                    *NewSubBuffer = '\t';
                    NewSubBuffer++;
                    SubBuffer++;
                    TabCount++;
                }

                /* Remove the spaces */

                SubBuffer = AsRemoveData (NewSubBuffer, SubBuffer);
                continue;
            }
        }

        SubBuffer++;
    }
}


/******************************************************************************
 *
 * FUNCTION:    AsCountLines
 *
 * DESCRIPTION: Count the number of lines in the input buffer.  Also count
 *              the number of long lines (lines longer than 80 chars).
 *
 ******************************************************************************/

UINT32
AsCountLines (
    char                    *Buffer,
    char                    *Filename)
{
    char                    *SubBuffer = Buffer;
    char                    *EndOfLine;
    UINT32                  LineCount = 0;
    UINT32                  LongLineCount = 0;


    while (*SubBuffer)
    {
        EndOfLine = AsSkipUntilChar (SubBuffer, '\n');
        if (!EndOfLine)
        {
            Gbl_TotalLines += LineCount;
            return LineCount;
        }

        if ((EndOfLine - SubBuffer) > 80)
        {
            LongLineCount++;
            VERBOSE_PRINT (("long: %.80s\n", SubBuffer));
        }

        LineCount++;
        SubBuffer = EndOfLine + 1;
    }

    if (LongLineCount)
    {
        VERBOSE_PRINT (("%d Lines longer than 80 found in %s\n", LongLineCount, Filename));
        Gbl_LongLines += LongLineCount;
    }

    Gbl_TotalLines += LineCount;
    return LineCount;
}


/******************************************************************************
 *
 * FUNCTION:    AsCountTabs
 *
 * DESCRIPTION: Simply count the number of tabs in the input file buffer
 *
 ******************************************************************************/

void
AsCountTabs (
    char                    *Buffer,
    char                    *Filename)
{
    UINT32                  i;
    UINT32                  TabCount = 0;


    for (i = 0; Buffer[i]; i++)
    {
        if (Buffer[i] == '\t')
        {
            TabCount++;
        }
    }

    if (TabCount)
    {
        AsPrint ("Tabs found", TabCount, Filename);
        Gbl_Tabs += TabCount;
    }

    AsCountLines (Buffer, Filename);
}


/******************************************************************************
 *
 * FUNCTION:    AsCountNonAnsiComments
 *
 * DESCRIPTION: Count the number of "//" comments.  This type of comment is
 *              non-ANSI C.
 *
 ******************************************************************************/

void
AsCountNonAnsiComments (
    char                    *Buffer,
    char                    *Filename)
{
    char                    *SubBuffer = Buffer;
    UINT32                  CommentCount = 0;


    while (SubBuffer)
    {
        SubBuffer = strstr (SubBuffer, "//");
        if (SubBuffer)
        {
            CommentCount++;
            SubBuffer += 2;
        }
    }

    if (CommentCount)
    {
        AsPrint ("Non-ANSI Comments found", CommentCount, Filename);
        Gbl_NonAnsiComments += CommentCount;
    }
}


/******************************************************************************
 *
 * FUNCTION:    AsCountSourceLines
 *
 * DESCRIPTION: Count the number of C source lines.  Defined by 1) not a
 *              comment, and 2) not a blank line.
 *
 ******************************************************************************/

void
AsCountSourceLines (
    char                    *Buffer,
    char                    *Filename)
{
    char                    *SubBuffer = Buffer;
    UINT32                  LineCount = 0;
    UINT32                  WhiteCount = 0;
    UINT32                  CommentCount = 0;


    while (*SubBuffer)
    {
        /* Ignore comments */

        if ((SubBuffer[0] == '/') &&
            (SubBuffer[1] == '*'))
        {
            CommentCount++;
            SubBuffer += 2;

            while (SubBuffer[0] && SubBuffer[1] &&
                    !(((SubBuffer[0] == '*') &&
                      (SubBuffer[1] == '/'))))
            {
                if (SubBuffer[0] == '\n')
                {
                    CommentCount++;
                }

                SubBuffer++;
            }
        }

        /* A linefeed followed by a non-linefeed is a valid source line */

        else if ((SubBuffer[0] == '\n') &&
                 (SubBuffer[1] != '\n'))
        {
            LineCount++;
        }

        /* Two back-to-back linefeeds indicate a whitespace line */

        else if ((SubBuffer[0] == '\n') &&
                 (SubBuffer[1] == '\n'))
        {
            WhiteCount++;
        }

        SubBuffer++;
    }

    /* Adjust comment count for legal header */

    CommentCount -= Gbl_HeaderSize;

    Gbl_SourceLines += LineCount;
    Gbl_WhiteLines += WhiteCount;
    Gbl_CommentLines += CommentCount;

    VERBOSE_PRINT (("%d Comment %d White %d Code %d Lines in %s\n",
                CommentCount, WhiteCount, LineCount, LineCount+WhiteCount+CommentCount, Filename));
}


/******************************************************************************
 *
 * FUNCTION:    AsInsertPrefix
 *
 * DESCRIPTION: Insert struct or union prefixes
 *
 ******************************************************************************/

void
AsInsertPrefix (
    char                    *Buffer,
    char                    *Keyword,
    UINT8                   Type)
{
    char                    *SubString;
    char                    *SubBuffer;
    char                    *EndKeyword;
    int                     StrLength;
    int                     InsertLength;
    char                    *InsertString;
    int                     TrailingSpaces;
    char                    LowerKeyword[128];
    int                     KeywordLength;


    switch (Type)
    {
    case SRC_TYPE_STRUCT:
        InsertString = "struct ";
        break;

    case SRC_TYPE_UNION:
        InsertString = "union ";
        break;

    default:
        return;
    }

    strcpy (LowerKeyword, Keyword);
    strlwr (LowerKeyword);

    SubBuffer = Buffer;
    SubString = Buffer;
    InsertLength = strlen (InsertString);
    KeywordLength = strlen (Keyword);


    while (SubString)
    {
        /* Find an instance of the keyword */

        SubString = strstr (SubBuffer, LowerKeyword);

        if (!SubString)
        {
            return;
        }

        SubBuffer = SubString;

        /* Must be standalone word, not a substring */

        if (AsMatchExactWord (SubString, KeywordLength))
        {
            /* Make sure the keyword isn't already prefixed with the insert */

            if (!strncmp (SubString - InsertLength, InsertString, InsertLength))
            {
                /* Add spaces if not already at the end-of-line */

                if (*(SubBuffer + KeywordLength) != '\n')
                {
                    /* Already present, add spaces after to align structure members */

// ONLY FOR C FILES
//                    AsInsertData (SubBuffer + KeywordLength, "        ", 8);
                }
                goto Next;
            }

            /* Make sure the keyword isn't at the end of a struct/union */
            /* Note: This code depends on a single space after the brace */

            if (*(SubString - 2) == '}')
            {
                goto Next;
            }

            /* Prefix the keyword with the insert string */

            Gbl_MadeChanges = TRUE;
            StrLength = strlen (SubString);

            /* Is there room for insertion */

            EndKeyword = SubString + strlen (LowerKeyword);

            TrailingSpaces = 0;
            while (EndKeyword[TrailingSpaces] == ' ')
            {
                TrailingSpaces++;
            }

            /*
             * Use "if (TrailingSpaces > 1)" if we want to ignore casts
             */
            SubBuffer = SubString + InsertLength;

            if (TrailingSpaces > InsertLength)
            {
                /* Insert the keyword */

                memmove (SubBuffer, SubString, KeywordLength);

                /* Insert the keyword */

                memmove (SubString, InsertString, InsertLength);
            }
            else
            {
                AsInsertData (SubString, InsertString, InsertLength);
            }
        }

Next:
        SubBuffer += KeywordLength;
    }
}

#ifdef ACPI_FUTURE_IMPLEMENTATION
/******************************************************************************
 *
 * FUNCTION:    AsTrimComments
 *
 * DESCRIPTION: Finds 3-line comments with only a single line of text
 *
 ******************************************************************************/

void
AsTrimComments (
    char                    *Buffer,
    char                    *Filename)
{
    char                    *SubBuffer = Buffer;
    char                    *Ptr1;
    char                    *Ptr2;
    UINT32                  LineCount;
    UINT32                  ShortCommentCount = 0;


    while (1)
    {
        /* Find comment open, within procedure level */

        SubBuffer = strstr (SubBuffer, "    /*");
        if (!SubBuffer)
        {
            goto Exit;
        }

        /* Find comment terminator */

        Ptr1 = strstr (SubBuffer, "*/");
        if (!Ptr1)
        {
            goto Exit;
        }

        /* Find next EOL (from original buffer) */

        Ptr2 = strstr (SubBuffer, "\n");
        if (!Ptr2)
        {
            goto Exit;
        }

        /* Ignore one-line comments */

        if (Ptr1 < Ptr2)
        {
            /* Normal comment, ignore and continue; */

            SubBuffer = Ptr2;
            continue;
        }

        /* Examine multi-line comment */

        LineCount = 1;
        while (Ptr1 > Ptr2)
        {
            /* Find next EOL */

            Ptr2++;
            Ptr2 = strstr (Ptr2, "\n");
            if (!Ptr2)
            {
                goto Exit;
            }

            LineCount++;
        }

        SubBuffer = Ptr1;

        if (LineCount <= 3)
        {
            ShortCommentCount++;
        }
    }


Exit:

    if (ShortCommentCount)
    {
        AsPrint ("Short Comments found", ShortCommentCount, Filename);
    }
}
#endif