void
AsReplaceHeader (
char *Buffer,
char *NewHeader)
{
char *SubBuffer;
char *TokenEnd;
/* Find the original header */
SubBuffer = strstr (Buffer, HeaderBegin);
if (!SubBuffer)
{
return;
}
/* Find the end of the original header */
TokenEnd = strstr (SubBuffer, "*/");
TokenEnd = AsSkipPastChar (TokenEnd, '\n');
/* Delete old header, insert new one */
AsReplaceData (SubBuffer, TokenEnd - SubBuffer,
NewHeader, strlen (NewHeader));
}
static char *
AsCheckAndSkipLiterals (
char *Buffer,
UINT32 *TotalLines)
{
UINT32 NewLines = 0;
char *SubBuffer = Buffer;
char *LiteralEnd;
/* Ignore comments */
if ((SubBuffer[0] == '/') &&
(SubBuffer[1] == '*'))
{
LiteralEnd = strstr (SubBuffer, "*/");
SubBuffer += 2; /* Get past comment opening */
if (!LiteralEnd)
{
return (SubBuffer);
}
while (SubBuffer < LiteralEnd)
{
if (*SubBuffer == '\n')
{
NewLines++;
}
SubBuffer++;
}
SubBuffer += 2; /* Get past comment close */
}
/* Ignore quoted strings */
else if (*SubBuffer == '\"')
{
SubBuffer++;
LiteralEnd = AsSkipPastChar (SubBuffer, '\"');
if (!LiteralEnd)
{
return (SubBuffer);
}
}
if (TotalLines)
{
(*TotalLines) += NewLines;
}
return (SubBuffer);
}
void
AsTrimWhitespace (
char *Buffer)
{
char *SubBuffer;
int ReplaceCount = 1;
while (ReplaceCount)
{
ReplaceCount = AsReplaceString ("\n\n\n\n", "\n\n\n",
REPLACE_SUBSTRINGS, Buffer);
}
/*
* Check for exactly one blank line after the copyright header
*/
/* Find the header */
SubBuffer = strstr (Buffer, HeaderBegin);
if (!SubBuffer)
{
return;
}
/* Find the end of the header */
SubBuffer = strstr (SubBuffer, "*/");
SubBuffer = AsSkipPastChar (SubBuffer, '\n');
/* Replace a double blank line with a single */
if (!strncmp (SubBuffer, "\n\n", 2))
{
AsReplaceData (SubBuffer, 2, "\n", 1);
AcpiOsPrintf ("Found multiple blank lines after copyright\n");
}
/* If no blank line after header, insert one */
else if (*SubBuffer != '\n')
{
AsInsertData (SubBuffer, "\n", 1);
AcpiOsPrintf ("Inserted blank line after copyright\n");
}
}
void
AsRemoveLine (
char *Buffer,
char *Keyword)
{
char *SubString;
char *SubBuffer;
SubBuffer = Buffer;
SubString = Buffer;
while (SubString)
{
SubString = strstr (SubBuffer, Keyword);
if (SubString)
{
SubBuffer = SubString;
/* Find start of this line */
while (*SubString != '\n')
{
SubString--;
}
SubString++;
/* Find end of this line */
SubBuffer = AsSkipPastChar (SubBuffer, '\n');
if (!SubBuffer)
{
return;
}
/* Remove the line */
SubBuffer = AsRemoveData (SubString, SubBuffer);
}
}
}
void
AsBracesOnSameLine (
char *Buffer)
{
char *SubBuffer = Buffer;
char *Beginning;
char *StartOfThisLine;
char *Next;
BOOLEAN BlockBegin = TRUE;
while (*SubBuffer)
{
/* Ignore comments */
if ((SubBuffer[0] == '/') &&
(SubBuffer[1] == '*'))
{
SubBuffer = strstr (SubBuffer, "*/");
if (!SubBuffer)
{
return;
}
SubBuffer += 2;
continue;
}
/* Ignore quoted strings */
if (*SubBuffer == '\"')
{
SubBuffer++;
SubBuffer = AsSkipPastChar (SubBuffer, '\"');
if (!SubBuffer)
{
return;
}
}
if (!strncmp ("\n}", SubBuffer, 2))
{
/*
* A newline followed by a closing brace closes a function
* or struct or initializer block
*/
BlockBegin = TRUE;
}
/*
* Move every standalone brace up to the previous line
* Check for digit will ignore initializer lists surrounded by braces.
* This will work until we we need more complex detection.
*/
if ((*SubBuffer == '{') && !isdigit ((int) SubBuffer[1]))
{
if (BlockBegin)
{
BlockBegin = FALSE;
}
else
{
/*
* Backup to previous non-whitespace
*/
Beginning = SubBuffer - 1;
while ((*Beginning == ' ') ||
(*Beginning == '\n'))
{
Beginning--;
}
StartOfThisLine = Beginning;
while (*StartOfThisLine != '\n')
{
StartOfThisLine--;
}
/*
* Move the brace up to the previous line, UNLESS:
*
* 1) There is a conditional compile on the line (starts with '#')
* 2) Previous line ends with an '=' (Start of initializer block)
* 3) Previous line ends with a comma (part of an init list)
* 4) Previous line ends with a backslash (part of a macro)
*/
if ((StartOfThisLine[1] != '#') &&
(*Beginning != '\\') &&
(*Beginning != '/') &&
(*Beginning != '{') &&
(*Beginning != '=') &&
(*Beginning != ','))
{
Beginning++;
SubBuffer++;
Gbl_MadeChanges = TRUE;
#ifdef ADD_EXTRA_WHITESPACE
AsReplaceData (Beginning, SubBuffer - Beginning, " {\n", 3);
#else
/* Find non-whitespace start of next line */
Next = SubBuffer + 1;
while ((*Next == ' ') ||
(*Next == '\t'))
{
Next++;
}
/* Find non-whitespace start of this line */
StartOfThisLine++;
while ((*StartOfThisLine == ' ') ||
(*StartOfThisLine == '\t'))
{
StartOfThisLine++;
}
/*
* Must be a single-line comment to need more whitespace
* Even then, we don't need more if the previous statement
* is an "else".
*/
if ((Next[0] == '/') &&
(Next[1] == '*') &&
(Next[2] != '\n') &&
(!strncmp (StartOfThisLine, "else if", 7) ||
!strncmp (StartOfThisLine, "else while", 10) ||
strncmp (StartOfThisLine, "else", 4)))
{
AsReplaceData (Beginning, SubBuffer - Beginning, " {\n", 3);
}
else
{
AsReplaceData (Beginning, SubBuffer - Beginning, " {", 2);
}
#endif
}
}
}
SubBuffer++;
}
}
void
AsTabify8 (
char *Buffer)
{
char *SubBuffer = Buffer;
char *NewSubBuffer;
char *CommentEnd = NULL;
UINT32 SpaceCount = 0;
UINT32 Column = 0;
UINT32 TabCount = 0;
UINT32 LastLineTabCount = 0;
UINT32 LastLineColumnStart = 0;
UINT32 ThisColumnStart = 0;
UINT32 ThisTabCount = 0;
char *FirstNonBlank = NULL;
while (*SubBuffer)
{
if (*SubBuffer == '\n')
{
/* This is a standalone blank line */
FirstNonBlank = NULL;
Column = 0;
SpaceCount = 0;
TabCount = 0;
SubBuffer++;
continue;
}
if (!FirstNonBlank)
{
/* Find the first non-blank character on this line */
FirstNonBlank = SubBuffer;
while (*FirstNonBlank == ' ')
{
FirstNonBlank++;
}
/*
* This mechanism limits the difference in tab counts from
* line to line. It helps avoid the situation where a second
* continuation line (which was indented correctly for tabs=4) would
* get indented off the screen if we just blindly converted to tabs.
*/
ThisColumnStart = FirstNonBlank - SubBuffer;
if (LastLineTabCount == 0)
{
ThisTabCount = 0;
}
else if (ThisColumnStart == LastLineColumnStart)
{
ThisTabCount = LastLineTabCount -1;
}
else
{
ThisTabCount = LastLineTabCount + 1;
}
}
Column++;
/* Check if we are in a comment */
if ((SubBuffer[0] == '*') &&
(SubBuffer[1] == '/'))
{
SpaceCount = 0;
SubBuffer += 2;
if (*SubBuffer == '\n')
{
if (TabCount > 0)
{
LastLineTabCount = TabCount;
TabCount = 0;
}
FirstNonBlank = NULL;
LastLineColumnStart = ThisColumnStart;
SubBuffer++;
}
continue;
}
/* Check for comment open */
if ((SubBuffer[0] == '/') &&
(SubBuffer[1] == '*'))
{
/* Find the end of the comment, it must exist */
CommentEnd = strstr (SubBuffer, "*/");
if (!CommentEnd)
{
return;
}
/* Toss the rest of this line or single-line comment */
while ((SubBuffer < CommentEnd) &&
(*SubBuffer != '\n'))
{
SubBuffer++;
}
if (*SubBuffer == '\n')
{
if (TabCount > 0)
{
LastLineTabCount = TabCount;
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++;
}
}
void
AsTabify4 (
char *Buffer)
{
char *SubBuffer = Buffer;
char *NewSubBuffer;
UINT32 SpaceCount = 0;
UINT32 Column = 0;
while (*SubBuffer)
{
if (*SubBuffer == '\n')
{
Column = 0;
}
else
{
Column++;
}
/* Ignore comments */
if ((SubBuffer[0] == '/') &&
(SubBuffer[1] == '*'))
{
SubBuffer = strstr (SubBuffer, "*/");
if (!SubBuffer)
{
return;
}
SubBuffer += 2;
continue;
}
/* Ignore quoted strings */
if (*SubBuffer == '\"')
{
SubBuffer++;
SubBuffer = AsSkipPastChar (SubBuffer, '\"');
if (!SubBuffer)
{
return;
}
SpaceCount = 0;
}
if (*SubBuffer == ' ')
{
SpaceCount++;
if (SpaceCount >= 4)
{
SpaceCount = 0;
NewSubBuffer = (SubBuffer + 1) - 4;
*NewSubBuffer = '\t';
NewSubBuffer++;
/* Remove the spaces */
SubBuffer = AsRemoveData (NewSubBuffer, SubBuffer + 1);
}
if ((Column % 4) == 0)
{
SpaceCount = 0;
}
}
else
{
SpaceCount = 0;
}
SubBuffer++;
}
}
void
AsRemoveConditionalCompile (
char *Buffer,
char *Keyword)
{
char *SubString;
char *SubBuffer;
char *IfPtr;
char *EndifPtr;
char *ElsePtr;
char *Comment;
int KeywordLength;
KeywordLength = strlen (Keyword);
SubBuffer = Buffer;
SubString = Buffer;
while (SubString)
{
SubBuffer = strstr (SubString, Keyword);
if (!SubBuffer)
{
return;
}
/*
* Check for translation escape string -- means to ignore
* blocks of code while replacing
*/
Comment = strstr (SubString, AS_START_IGNORE);
if ((Comment) &&
(Comment < SubBuffer))
{
SubString = strstr (Comment, AS_STOP_IGNORE);
if (!SubString)
{
return;
}
SubString += 3;
continue;
}
/* Check for ordinary comment */
Comment = strstr (SubString, "/*");
if ((Comment) &&
(Comment < SubBuffer))
{
SubString = strstr (Comment, "*/");
if (!SubString)
{
return;
}
SubString += 2;
continue;
}
SubString = SubBuffer;
if (!AsMatchExactWord (SubString, KeywordLength))
{
SubString++;
continue;
}
/* Find start of this line */
while (*SubString != '\n' && (SubString > Buffer))
{
SubString--;
}
SubString++;
/* Find the "#ifxxxx" */
IfPtr = strstr (SubString, "#if");
if (!IfPtr)
{
return;
}
if (IfPtr > SubBuffer)
{
/* Not the right #if */
SubString = SubBuffer + strlen (Keyword);
continue;
}
/* Find closing #endif or #else */
EndifPtr = strstr (SubBuffer, "#endif");
if (!EndifPtr)
{
/* There has to be an #endif */
return;
}
ElsePtr = strstr (SubBuffer, "#else");
if ((ElsePtr) &&
(EndifPtr > ElsePtr))
{
/* This #ifdef contains an #else clause */
/* Find end of this line */
SubBuffer = AsSkipPastChar (ElsePtr, '\n');
if (!SubBuffer)
{
return;
}
/* Remove the #ifdef .... #else code */
AsRemoveData (SubString, SubBuffer);
/* Next, we will remove the #endif statement */
EndifPtr = strstr (SubString, "#endif");
if (!EndifPtr)
{
/* There has to be an #endif */
return;
}
SubString = EndifPtr;
}
/* Remove the ... #endif part */
/* Find end of this line */
SubBuffer = AsSkipPastChar (EndifPtr, '\n');
if (!SubBuffer)
{
return;
}
/* Remove the lines */
SubBuffer = AsRemoveData (SubString, SubBuffer);
}
}
void
AsRemoveStatement (
char *Buffer,
char *Keyword,
UINT32 Type)
{
char *SubString;
char *SubBuffer;
int KeywordLength;
KeywordLength = strlen (Keyword);
SubBuffer = Buffer;
SubString = Buffer;
while (SubString)
{
SubString = strstr (SubBuffer, Keyword);
if (SubString)
{
SubBuffer = SubString;
if ((Type == REPLACE_WHOLE_WORD) &&
(!AsMatchExactWord (SubString, KeywordLength)))
{
SubBuffer++;
continue;
}
/* Find start of this line */
while (*SubString != '\n')
{
SubString--;
}
SubString++;
/* Find end of this statement */
SubBuffer = AsSkipPastChar (SubBuffer, ';');
if (!SubBuffer)
{
return;
}
/* Find end of this line */
SubBuffer = AsSkipPastChar (SubBuffer, '\n');
if (!SubBuffer)
{
return;
}
/* If next line is blank, remove it too */
if (*SubBuffer == '\n')
{
SubBuffer++;
}
/* Remove the lines */
SubBuffer = AsRemoveData (SubString, SubBuffer);
}
}
}
