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);
}
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;
}
}
void
AsTrimLines (
char *Buffer,
char *Filename)
{
char *SubBuffer = Buffer;
char *StartWhiteSpace = NULL;
UINT32 SpaceCount = 0;
while (*SubBuffer)
{
while (*SubBuffer != '\n')
{
if (!*SubBuffer)
{
goto Exit;
}
if (*SubBuffer == ' ')
{
if (!StartWhiteSpace)
{
StartWhiteSpace = SubBuffer;
}
}
else
{
StartWhiteSpace = NULL;
}
SubBuffer++;
}
if (StartWhiteSpace)
{
SpaceCount += (SubBuffer - StartWhiteSpace);
/* Remove the spaces */
SubBuffer = AsRemoveData (StartWhiteSpace, SubBuffer);
StartWhiteSpace = NULL;
}
SubBuffer++;
}
Exit:
if (SpaceCount)
{
Gbl_MadeChanges = TRUE;
AsPrint ("Extraneous spaces removed", SpaceCount, Filename);
}
}
void
AsCountNonAnsiComments (
char *Buffer,
char *Filename)
{
AsMatchValidToken (Buffer, Filename, 0, NULL);
/* Error if any slash-slash comments found */
if (NonAnsiCommentCount)
{
AsPrint ("Non-ANSI // Comments Found", NonAnsiCommentCount, Filename);
Gbl_NonAnsiComments += NonAnsiCommentCount;
}
}
static char *
AsMatchValidToken (
char *Buffer,
char *Filename,
char TargetChar,
AS_SCAN_CALLBACK Callback)
{
char *SubBuffer = Buffer;
char *StringStart;
UINT32 TotalLines;
TotalLines = 1;
NonAnsiCommentCount = 0;
/* Scan from current position up to the end if necessary */
while (*SubBuffer)
{
/* Skip normal comments */
if ((*SubBuffer == '/') &&
(*(SubBuffer + 1) == '*'))
{
/* Must maintain line count */
SubBuffer += 2;
while (strncmp ("*/", SubBuffer, 2))
{
if (*SubBuffer == '\n')
{
TotalLines++;
}
SubBuffer++;
}
SubBuffer += 2;
continue;
}
/* Skip single quoted chars */
if (*SubBuffer == '\'')
{
SubBuffer++;
if (!(*SubBuffer))
{
break;
}
if (*SubBuffer == '\\')
{
SubBuffer++;
}
SubBuffer++;
continue;
}
/* Skip quoted strings */
if (*SubBuffer == '"')
{
StringStart = SubBuffer;
SubBuffer++;
if (!(*SubBuffer))
{
break;
}
while (*SubBuffer != '"')
{
if ((*SubBuffer == '\n') ||
(!(*SubBuffer)))
{
AsPrint ("Unbalanced quoted string",1, Filename);
printf (" %.32s (line %u)\n", StringStart, TotalLines);
break;
}
/* Handle escapes within the string */
if (*SubBuffer == '\\')
{
SubBuffer++;
}
SubBuffer++;
}
SubBuffer++;
continue;
}
/* Now we can check for a slash-slash comment */
if ((*SubBuffer == '/') &&
(*(SubBuffer + 1) == '/'))
{
NonAnsiCommentCount++;
/* Skip to end-of-line */
while ((*SubBuffer != '\n') &&
(*SubBuffer))
{
SubBuffer++;
}
if (!(*SubBuffer))
{
break;
}
if (*SubBuffer == '\n')
{
TotalLines++;
}
SubBuffer++;
continue;
}
/* Finally, check for a newline */
if (*SubBuffer == '\n')
{
TotalLines++;
SubBuffer++;
continue;
}
/* Normal character, do the user actions */
if (Callback)
{
SubBuffer = Callback (SubBuffer, Filename, TotalLines);
}
if (TargetChar && (*SubBuffer == TargetChar))
{
return (SubBuffer);
}
SubBuffer++;
}
return (NULL);
}
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);
}
}
void
AsRemoveEmptyBlocks (
char *Buffer,
char *Filename)
{
char *SubBuffer;
char *BlockStart;
BOOLEAN EmptyBlock = TRUE;
BOOLEAN AnotherPassRequired = TRUE;
UINT32 BlockCount = 0;
while (AnotherPassRequired)
{
SubBuffer = Buffer;
AnotherPassRequired = FALSE;
while (*SubBuffer)
{
if (*SubBuffer == '{')
{
BlockStart = SubBuffer;
EmptyBlock = TRUE;
SubBuffer++;
while (*SubBuffer != '}')
{
if ((*SubBuffer != ' ') &&
(*SubBuffer != '\n'))
{
EmptyBlock = FALSE;
break;
}
SubBuffer++;
}
if (EmptyBlock)
{
/* Find start of the first line of the block */
while (*BlockStart != '\n')
{
BlockStart--;
}
/* Find end of the last line of the block */
SubBuffer = AsSkipUntilChar (SubBuffer, '\n');
if (!SubBuffer)
{
break;
}
/* Remove the block */
SubBuffer = AsRemoveData (BlockStart, SubBuffer);
BlockCount++;
AnotherPassRequired = TRUE;
continue;
}
}
SubBuffer++;
}
}
if (BlockCount)
{
Gbl_MadeChanges = TRUE;
AsPrint ("Code blocks deleted", BlockCount, Filename);
}
}