diff options
Diffstat (limited to 'BaseTools/Source/C/Common/SimpleFileParsing.c')
| -rw-r--r-- | BaseTools/Source/C/Common/SimpleFileParsing.c | 1437 |
1 files changed, 0 insertions, 1437 deletions
diff --git a/BaseTools/Source/C/Common/SimpleFileParsing.c b/BaseTools/Source/C/Common/SimpleFileParsing.c deleted file mode 100644 index 868c6b794b..0000000000 --- a/BaseTools/Source/C/Common/SimpleFileParsing.c +++ /dev/null @@ -1,1437 +0,0 @@ -/** @file
-Generic but simple file parsing routines.
-
-Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
-This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
---*/
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-#include "CommonLib.h"
-#include "EfiUtilityMsgs.h"
-#include "SimpleFileParsing.h"
-
-#ifndef MAX_PATH
-#define MAX_PATH 255
-#endif
-//
-// just in case we get in an endless loop.
-//
-#define MAX_NEST_DEPTH 20
-//
-// number of wchars
-//
-#define MAX_STRING_IDENTIFIER_NAME 100
-
-#define T_CHAR_SPACE ' '
-#define T_CHAR_NULL 0
-#define T_CHAR_CR '\r'
-#define T_CHAR_TAB '\t'
-#define T_CHAR_LF '\n'
-#define T_CHAR_SLASH '/'
-#define T_CHAR_BACKSLASH '\\'
-#define T_CHAR_DOUBLE_QUOTE '"'
-#define T_CHAR_LC_X 'x'
-#define T_CHAR_0 '0'
-#define T_CHAR_STAR '*'
-
-//
-// We keep a linked list of these for the source files we process
-//
-typedef struct _SOURCE_FILE {
- FILE *Fptr;
- CHAR8 *FileBuffer;
- CHAR8 *FileBufferPtr;
- UINTN FileSize;
- CHAR8 FileName[MAX_PATH];
- UINTN LineNum;
- BOOLEAN EndOfFile;
- BOOLEAN SkipToHash;
- struct _SOURCE_FILE *Previous;
- struct _SOURCE_FILE *Next;
- CHAR8 ControlCharacter;
-} SOURCE_FILE;
-
-typedef struct {
- CHAR8 *FileBufferPtr;
-} FILE_POSITION;
-
-//
-// Keep all our module globals in this structure
-//
-STATIC struct {
- SOURCE_FILE SourceFile;
- BOOLEAN VerboseFile;
- BOOLEAN VerboseToken;
-} mGlobals;
-
-STATIC
-UINTN
-t_strcmp (
- CHAR8 *Buffer,
- CHAR8 *Str
- );
-
-STATIC
-UINTN
-t_strncmp (
- CHAR8 *Str1,
- CHAR8 *Str2,
- INTN Len
- );
-
-STATIC
-UINTN
-t_strlen (
- CHAR8 *Str
- );
-
-STATIC
-VOID
-RewindFile (
- SOURCE_FILE *SourceFile
- );
-
-STATIC
-BOOLEAN
-IsWhiteSpace (
- SOURCE_FILE *SourceFile
- );
-
-STATIC
-UINTN
-SkipWhiteSpace (
- SOURCE_FILE *SourceFile
- );
-
-STATIC
-BOOLEAN
-EndOfFile (
- SOURCE_FILE *SourceFile
- );
-
-STATIC
-VOID
-PreprocessFile (
- SOURCE_FILE *SourceFile
- );
-
-STATIC
-CHAR8 *
-t_strcpy (
- CHAR8 *Dest,
- CHAR8 *Src
- );
-
-STATIC
-STATUS
-ProcessIncludeFile (
- SOURCE_FILE *SourceFile,
- SOURCE_FILE *ParentSourceFile
- );
-
-STATIC
-STATUS
-ProcessFile (
- SOURCE_FILE *SourceFile
- );
-
-STATIC
-STATUS
-GetFilePosition (
- FILE_POSITION *Fpos
- );
-
-STATIC
-STATUS
-SetFilePosition (
- FILE_POSITION *Fpos
- );
-
-STATUS
-SFPInit (
- VOID
- )
-/*++
-
-Routine Description:
-
-Arguments:
- None.
-
-Returns:
- STATUS_SUCCESS always
-
---*/
-{
- memset ((VOID *) &mGlobals, 0, sizeof (mGlobals));
- return STATUS_SUCCESS;
-}
-
-UINTN
-SFPGetLineNumber (
- VOID
- )
-/*++
-
-Routine Description:
- Return the line number of the file we're parsing. Used
- for error reporting purposes.
-
-Arguments:
- None.
-
-Returns:
- The line number, or 0 if no file is being processed
-
---*/
-{
- return mGlobals.SourceFile.LineNum;
-}
-
-CHAR8 *
-SFPGetFileName (
- VOID
- )
-/*++
-
-Routine Description:
- Return the name of the file we're parsing. Used
- for error reporting purposes.
-
-Arguments:
- None.
-
-Returns:
- A pointer to the file name. Null if no file is being
- processed.
-
---*/
-{
- if (mGlobals.SourceFile.FileName[0]) {
- return mGlobals.SourceFile.FileName;
- }
-
- return NULL;
-}
-
-STATUS
-SFPOpenFile (
- CHAR8 *FileName
- )
-/*++
-
-Routine Description:
- Open a file for parsing.
-
-Arguments:
- FileName - name of the file to parse
-
-Returns:
-
-
---*/
-{
- STATUS Status;
- t_strcpy (mGlobals.SourceFile.FileName, FileName);
- Status = ProcessIncludeFile (&mGlobals.SourceFile, NULL);
- return Status;
-}
-
-BOOLEAN
-SFPIsToken (
- CHAR8 *Str
- )
-/*++
-
-Routine Description:
- Check to see if the specified token is found at
- the current position in the input file.
-
-Arguments:
- Str - the token to look for
-
-Returns:
- TRUE - the token is next
- FALSE - the token is not next
-
-Notes:
- We do a simple string comparison on this function. It is
- the responsibility of the caller to ensure that the token
- is not a subset of some other token.
-
- The file pointer is advanced past the token in the input file.
-
---*/
-{
- UINTN Len;
- SkipWhiteSpace (&mGlobals.SourceFile);
- if (EndOfFile (&mGlobals.SourceFile)) {
- return FALSE;
- }
-
- if ((Len = t_strcmp (mGlobals.SourceFile.FileBufferPtr, Str)) > 0) {
- mGlobals.SourceFile.FileBufferPtr += Len;
- if (mGlobals.VerboseToken) {
- printf ("Token: '%s'\n", Str);
- }
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-BOOLEAN
-SFPIsKeyword (
- CHAR8 *Str
- )
-/*++
-
-Routine Description:
- Check to see if the specified keyword is found at
- the current position in the input file.
-
-Arguments:
- Str - keyword to look for
-
-Returns:
- TRUE - the keyword is next
- FALSE - the keyword is not next
-
-Notes:
- A keyword is defined as a "special" string that has a non-alphanumeric
- character following it.
-
---*/
-{
- UINTN Len;
- SkipWhiteSpace (&mGlobals.SourceFile);
- if (EndOfFile (&mGlobals.SourceFile)) {
- return FALSE;
- }
-
- if ((Len = t_strcmp (mGlobals.SourceFile.FileBufferPtr, Str)) > 0) {
- if (isalnum ((int)mGlobals.SourceFile.FileBufferPtr[Len])) {
- return FALSE;
- }
-
- mGlobals.SourceFile.FileBufferPtr += Len;
- if (mGlobals.VerboseToken) {
- printf ("Token: '%s'\n", Str);
- }
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-BOOLEAN
-SFPGetNextToken (
- CHAR8 *Str,
- UINTN Len
- )
-/*++
-
-Routine Description:
- Get the next token from the input stream.
-
-Arguments:
- Str - pointer to a copy of the next token
- Len - size of buffer pointed to by Str
-
-Returns:
- TRUE - next token successfully returned
- FALSE - otherwise
-
-Notes:
- Preceeding white space is ignored.
- The parser's buffer pointer is advanced past the end of the
- token.
-
---*/
-{
- UINTN Index;
- CHAR8 TempChar;
-
- SkipWhiteSpace (&mGlobals.SourceFile);
- if (EndOfFile (&mGlobals.SourceFile)) {
- return FALSE;
- }
- //
- // Have to have enough string for at least one char and a null-terminator
- //
- if (Len < 2) {
- return FALSE;
- }
- //
- // Look at the first character. If it's an identifier, then treat it
- // as such
- //
- TempChar = mGlobals.SourceFile.FileBufferPtr[0];
- if (((TempChar >= 'a') && (TempChar <= 'z')) || ((TempChar >= 'A') && (TempChar <= 'Z')) || (TempChar == '_')) {
- Str[0] = TempChar;
- mGlobals.SourceFile.FileBufferPtr++;
- Index = 1;
- while (!EndOfFile (&mGlobals.SourceFile) && (Index < Len)) {
- TempChar = mGlobals.SourceFile.FileBufferPtr[0];
- if (((TempChar >= 'a') && (TempChar <= 'z')) ||
- ((TempChar >= 'A') && (TempChar <= 'Z')) ||
- ((TempChar >= '0') && (TempChar <= '9')) ||
- (TempChar == '_')
- ) {
- Str[Index] = mGlobals.SourceFile.FileBufferPtr[0];
- mGlobals.SourceFile.FileBufferPtr++;
- Index++;
- } else {
- //
- // Invalid character for symbol name, so break out
- //
- break;
- }
- }
- //
- // Null terminate and return success
- //
- Str[Index] = 0;
- return TRUE;
- } else if ((TempChar == ')') || (TempChar == '(') || (TempChar == '*')) {
- Str[0] = mGlobals.SourceFile.FileBufferPtr[0];
- mGlobals.SourceFile.FileBufferPtr++;
- Str[1] = 0;
- return TRUE;
- } else {
- //
- // Everything else is white-space (or EOF) separated
- //
- Index = 0;
- while (!EndOfFile (&mGlobals.SourceFile) && (Index < Len)) {
- if (IsWhiteSpace (&mGlobals.SourceFile)) {
- if (Index > 0) {
- Str[Index] = 0;
- return TRUE;
- }
-
- return FALSE;
- } else {
- Str[Index] = mGlobals.SourceFile.FileBufferPtr[0];
- mGlobals.SourceFile.FileBufferPtr++;
- Index++;
- }
- }
- //
- // See if we just ran out of file contents, but did find a token
- //
- if ((Index > 0) && EndOfFile (&mGlobals.SourceFile)) {
- Str[Index] = 0;
- return TRUE;
- }
- }
-
- return FALSE;
-}
-
-BOOLEAN
-SFPGetGuidToken (
- CHAR8 *Str,
- UINT32 Len
- )
-/*++
-
-Routine Description:
- Parse a GUID from the input stream. Stop when you discover white space.
-
-Arguments:
- Str - pointer to a copy of the next token
- Len - size of buffer pointed to by Str
-
-Returns:
- TRUE - GUID string returned successfully
- FALSE - otherwise
-
---*/
-{
- UINT32 Index;
- SkipWhiteSpace (&mGlobals.SourceFile);
- if (EndOfFile (&mGlobals.SourceFile)) {
- return FALSE;
- }
-
- Index = 0;
- while (!EndOfFile (&mGlobals.SourceFile) && (Index < Len)) {
- if (IsWhiteSpace (&mGlobals.SourceFile)) {
- if (Index > 0) {
- Str[Index] = 0;
- return TRUE;
- }
-
- return FALSE;
- } else {
- Str[Index] = mGlobals.SourceFile.FileBufferPtr[0];
- mGlobals.SourceFile.FileBufferPtr++;
- Index++;
- }
- }
-
- return FALSE;
-}
-
-BOOLEAN
-SFPSkipToToken (
- CHAR8 *Str
- )
-{
- UINTN Len;
- CHAR8 *SavePos;
- Len = t_strlen (Str);
- SavePos = mGlobals.SourceFile.FileBufferPtr;
- SkipWhiteSpace (&mGlobals.SourceFile);
- while (!EndOfFile (&mGlobals.SourceFile)) {
- if (t_strncmp (Str, mGlobals.SourceFile.FileBufferPtr, Len) == 0) {
- mGlobals.SourceFile.FileBufferPtr += Len;
- return TRUE;
- }
-
- mGlobals.SourceFile.FileBufferPtr++;
- SkipWhiteSpace (&mGlobals.SourceFile);
- }
-
- mGlobals.SourceFile.FileBufferPtr = SavePos;
- return FALSE;
-}
-
-BOOLEAN
-SFPGetNumber (
- UINTN *Value
- )
-/*++
-
-Routine Description:
- Check the token at the current file position for a numeric value.
- May be either decimal or hex.
-
-Arguments:
- Value - pointer where to store the value
-
-Returns:
- FALSE - current token is not a number
- TRUE - current token is a number
-
---*/
-{
- int Val;
-
- SkipWhiteSpace (&mGlobals.SourceFile);
- if (EndOfFile (&mGlobals.SourceFile)) {
- return FALSE;
- }
-
- if (isdigit ((int)mGlobals.SourceFile.FileBufferPtr[0])) {
- //
- // Check for hex value
- //
- if ((mGlobals.SourceFile.FileBufferPtr[0] == T_CHAR_0) && (mGlobals.SourceFile.FileBufferPtr[1] == T_CHAR_LC_X)) {
- if (!isxdigit ((int)mGlobals.SourceFile.FileBufferPtr[2])) {
- return FALSE;
- }
-
- mGlobals.SourceFile.FileBufferPtr += 2;
- sscanf (mGlobals.SourceFile.FileBufferPtr, "%x", &Val);
- *Value = (UINT32) Val;
- while (isxdigit ((int)mGlobals.SourceFile.FileBufferPtr[0])) {
- mGlobals.SourceFile.FileBufferPtr++;
- }
-
- return TRUE;
- } else {
- *Value = atoi (mGlobals.SourceFile.FileBufferPtr);
- while (isdigit ((int)mGlobals.SourceFile.FileBufferPtr[0])) {
- mGlobals.SourceFile.FileBufferPtr++;
- }
-
- return TRUE;
- }
- } else {
- return FALSE;
- }
-}
-
-STATUS
-SFPCloseFile (
- VOID
- )
-/*++
-
-Routine Description:
- Close the file being parsed.
-
-Arguments:
- None.
-
-Returns:
- STATUS_SUCCESS - the file was closed
- STATUS_ERROR - no file is currently open
-
---*/
-{
- if (mGlobals.SourceFile.FileBuffer != NULL) {
- free (mGlobals.SourceFile.FileBuffer);
- memset (&mGlobals.SourceFile, 0, sizeof (mGlobals.SourceFile));
- return STATUS_SUCCESS;
- }
-
- return STATUS_ERROR;
-}
-
-STATIC
-STATUS
-ProcessIncludeFile (
- SOURCE_FILE *SourceFile,
- SOURCE_FILE *ParentSourceFile
- )
-/*++
-
-Routine Description:
-
- Given a source file, open the file and parse it
-
-Arguments:
-
- SourceFile - name of file to parse
- ParentSourceFile - for error reporting purposes, the file that #included SourceFile.
-
-Returns:
-
- Standard status.
-
---*/
-{
- STATIC UINTN NestDepth = 0;
- CHAR8 FoundFileName[MAX_PATH];
- STATUS Status;
-
- Status = STATUS_SUCCESS;
- NestDepth++;
- //
- // Print the file being processed. Indent so you can tell the include nesting
- // depth.
- //
- if (mGlobals.VerboseFile) {
- fprintf (stdout, "%*cProcessing file '%s'\n", (int)NestDepth * 2, ' ', SourceFile->FileName);
- fprintf (stdout, "Parent source file = '%s'\n", ParentSourceFile->FileName);
- }
-
- //
- // Make sure we didn't exceed our maximum nesting depth
- //
- if (NestDepth > MAX_NEST_DEPTH) {
- Error (NULL, 0, 3001, "Not Supported", "%s exceeeds max nesting depth (%u)", SourceFile->FileName, (unsigned) NestDepth);
- Status = STATUS_ERROR;
- goto Finish;
- }
- //
- // Try to open the file locally, and if that fails try along our include paths.
- //
- strcpy (FoundFileName, SourceFile->FileName);
- if ((SourceFile->Fptr = fopen (LongFilePath (FoundFileName), "rb")) == NULL) {
- return STATUS_ERROR;
- }
- //
- // Process the file found
- //
- ProcessFile (SourceFile);
-Finish:
- //
- // Close open files and return status
- //
- if (SourceFile->Fptr != NULL) {
- fclose (SourceFile->Fptr);
- SourceFile->Fptr = NULL;
- }
-
- return Status;
-}
-
-STATIC
-STATUS
-ProcessFile (
- SOURCE_FILE *SourceFile
- )
-/*++
-
-Routine Description:
-
- Given a source file that's been opened, read the contents into an internal
- buffer and pre-process it to remove comments.
-
-Arguments:
-
- SourceFile - structure containing info on the file to process
-
-Returns:
-
- Standard status.
-
---*/
-{
- //
- // Get the file size, and then read the entire thing into memory.
- // Allocate extra space for a terminator character.
- //
- fseek (SourceFile->Fptr, 0, SEEK_END);
- SourceFile->FileSize = ftell (SourceFile->Fptr);
- if (mGlobals.VerboseFile) {
- printf ("FileSize = %u (0x%X)\n", (unsigned) SourceFile->FileSize, (unsigned) SourceFile->FileSize);
- }
-
- fseek (SourceFile->Fptr, 0, SEEK_SET);
- SourceFile->FileBuffer = (CHAR8 *) malloc (SourceFile->FileSize + sizeof (CHAR8 ));
- if (SourceFile->FileBuffer == NULL) {
- Error (NULL, 0, 4001, "Resource: memory cannot be allocated", NULL);
- return STATUS_ERROR;
- }
-
- fread ((VOID *) SourceFile->FileBuffer, SourceFile->FileSize, 1, SourceFile->Fptr);
- SourceFile->FileBuffer[(SourceFile->FileSize / sizeof (CHAR8 ))] = T_CHAR_NULL;
- //
- // Pre-process the file to replace comments with spaces
- //
- PreprocessFile (SourceFile);
- SourceFile->LineNum = 1;
- return STATUS_SUCCESS;
-}
-
-STATIC
-VOID
-PreprocessFile (
- SOURCE_FILE *SourceFile
- )
-/*++
-
-Routine Description:
- Preprocess a file to replace all carriage returns with NULLs so
- we can print lines (as part of error messages) from the file to the screen.
-
-Arguments:
- SourceFile - structure that we use to keep track of an input file.
-
-Returns:
- Nothing.
-
---*/
-{
- BOOLEAN InComment;
- BOOLEAN SlashSlashComment;
- int LineNum;
-
- RewindFile (SourceFile);
- InComment = FALSE;
- SlashSlashComment = FALSE;
- while (!EndOfFile (SourceFile)) {
- //
- // If a line-feed, then no longer in a comment if we're in a // comment
- //
- if (SourceFile->FileBufferPtr[0] == T_CHAR_LF) {
- SourceFile->FileBufferPtr++;
- SourceFile->LineNum++;
- if (InComment && SlashSlashComment) {
- InComment = FALSE;
- SlashSlashComment = FALSE;
- }
- } else if (SourceFile->FileBufferPtr[0] == T_CHAR_CR) {
- //
- // Replace all carriage returns with a NULL so we can print stuff
- //
- SourceFile->FileBufferPtr[0] = 0;
- SourceFile->FileBufferPtr++;
- //
- // Check for */ comment end
- //
- } else if (InComment &&
- !SlashSlashComment &&
- (SourceFile->FileBufferPtr[0] == T_CHAR_STAR) &&
- (SourceFile->FileBufferPtr[1] == T_CHAR_SLASH)
- ) {
- SourceFile->FileBufferPtr[0] = T_CHAR_SPACE;
- SourceFile->FileBufferPtr++;
- SourceFile->FileBufferPtr[0] = T_CHAR_SPACE;
- SourceFile->FileBufferPtr++;
- InComment = FALSE;
- } else if (InComment) {
- SourceFile->FileBufferPtr[0] = T_CHAR_SPACE;
- SourceFile->FileBufferPtr++;
- //
- // Check for // comments
- //
- } else if ((SourceFile->FileBufferPtr[0] == T_CHAR_SLASH) && (SourceFile->FileBufferPtr[1] == T_CHAR_SLASH)) {
- InComment = TRUE;
- SlashSlashComment = TRUE;
- //
- // Check for /* comment start
- //
- } else if ((SourceFile->FileBufferPtr[0] == T_CHAR_SLASH) && (SourceFile->FileBufferPtr[1] == T_CHAR_STAR)) {
- SourceFile->FileBufferPtr[0] = T_CHAR_SPACE;
- SourceFile->FileBufferPtr++;
- SourceFile->FileBufferPtr[0] = T_CHAR_SPACE;
- SourceFile->FileBufferPtr++;
- SlashSlashComment = FALSE;
- InComment = TRUE;
- } else {
- SourceFile->FileBufferPtr++;
- }
- }
- //
- // Could check for end-of-file and still in a comment, but
- // should not be necessary. So just restore the file pointers.
- //
- RewindFile (SourceFile);
- //
- // Dump the reformatted file if verbose mode
- //
- if (mGlobals.VerboseFile) {
- LineNum = 1;
- printf ("%04d: ", LineNum);
- while (!EndOfFile (SourceFile)) {
- if (SourceFile->FileBufferPtr[0] == T_CHAR_LF) {
- printf ("'\n%04d: '", ++LineNum);
- } else {
- printf ("%c", SourceFile->FileBufferPtr[0]);
- }
-
- SourceFile->FileBufferPtr++;
- }
-
- printf ("'\n");
- printf ("FileSize = %u (0x%X)\n", (unsigned)SourceFile->FileSize, (unsigned)SourceFile->FileSize);
- RewindFile (SourceFile);
- }
-}
-
-BOOLEAN
-SFPGetQuotedString (
- CHAR8 *Str,
- INTN Length
- )
-/*++
-
-Routine Description:
- Retrieve a quoted-string from the input file.
-
-Arguments:
- Str - pointer to a copy of the quoted string parsed
- Length - size of buffer pointed to by Str
-
-Returns:
- TRUE - next token in input stream was a quoted string, and
- the string value was returned in Str
- FALSE - otherwise
-
---*/
-{
- SkipWhiteSpace (&mGlobals.SourceFile);
- if (EndOfFile (&mGlobals.SourceFile)) {
- return FALSE;
- }
-
- if (mGlobals.SourceFile.FileBufferPtr[0] == T_CHAR_DOUBLE_QUOTE) {
- mGlobals.SourceFile.FileBufferPtr++;
- while (Length > 0) {
- if (EndOfFile (&mGlobals.SourceFile)) {
- return FALSE;
- }
- //
- // Check for closing quote
- //
- if (mGlobals.SourceFile.FileBufferPtr[0] == T_CHAR_DOUBLE_QUOTE) {
- mGlobals.SourceFile.FileBufferPtr++;
- *Str = 0;
- return TRUE;
- }
-
- *Str = mGlobals.SourceFile.FileBufferPtr[0];
- Str++;
- Length--;
- mGlobals.SourceFile.FileBufferPtr++;
- }
- }
- //
- // First character was not a quote, or the input string length was
- // insufficient to contain the quoted string, so return failure code.
- //
- return FALSE;
-}
-
-BOOLEAN
-SFPIsEOF (
- VOID
- )
-/*++
-
-Routine Description:
- Return TRUE of FALSE to indicate whether or not we've reached the end of the
- file we're parsing.
-
-Arguments:
- NA
-
-Returns:
- TRUE - EOF reached
- FALSE - otherwise
-
---*/
-{
- SkipWhiteSpace (&mGlobals.SourceFile);
- return EndOfFile (&mGlobals.SourceFile);
-}
-
-#if 0
-STATIC
-CHAR8 *
-GetQuotedString (
- SOURCE_FILE *SourceFile,
- BOOLEAN Optional
- )
-{
- CHAR8 *String;
- CHAR8 *Start;
- CHAR8 *Ptr;
- UINTN Len;
- BOOLEAN PreviousBackslash;
-
- if (SourceFile->FileBufferPtr[0] != T_CHAR_DOUBLE_QUOTE) {
- if (Optional == FALSE) {
- Error (SourceFile->FileName, SourceFile->LineNum, 0, "expected quoted string", "%S", SourceFile->FileBufferPtr);
- }
-
- return NULL;
- }
-
- Len = 0;
- SourceFile->FileBufferPtr++;
- Start = Ptr = SourceFile->FileBufferPtr;
- PreviousBackslash = FALSE;
- while (!EndOfFile (SourceFile)) {
- if ((SourceFile->FileBufferPtr[0] == T_CHAR_DOUBLE_QUOTE) && (PreviousBackslash == FALSE)) {
- break;
- } else if (SourceFile->FileBufferPtr[0] == T_CHAR_CR) {
- Warning (SourceFile->FileName, SourceFile->LineNum, 0, "carriage return found in quoted string", "%S", Start);
- PreviousBackslash = FALSE;
- } else if (SourceFile->FileBufferPtr[0] == T_CHAR_BACKSLASH) {
- PreviousBackslash = TRUE;
- } else {
- PreviousBackslash = FALSE;
- }
-
- SourceFile->FileBufferPtr++;
- Len++;
- }
-
- if (SourceFile->FileBufferPtr[0] != T_CHAR_DOUBLE_QUOTE) {
- Warning (SourceFile->FileName, SourceFile->LineNum, 0, "missing closing quote on string", "%S", Start);
- } else {
- SourceFile->FileBufferPtr++;
- }
- //
- // Now allocate memory for the string and save it off
- //
- String = (CHAR8 *) malloc ((Len + 1) * sizeof (CHAR8 ));
- if (String == NULL) {
- Error (NULL, 0, 4001, "Resource: memory cannot be allocated", NULL);
- return NULL;
- }
- //
- // Copy the string from the file buffer to the local copy.
- // We do no reformatting of it whatsoever at this point.
- //
- Ptr = String;
- while (Len > 0) {
- *Ptr = *Start;
- Start++;
- Ptr++;
- Len--;
- }
-
- *Ptr = 0;
- return String;
-}
-#endif
-STATIC
-BOOLEAN
-EndOfFile (
- SOURCE_FILE *SourceFile
- )
-{
- //
- // The file buffer pointer will typically get updated before the End-of-file flag in the
- // source file structure, so check it first.
- //
- if (SourceFile->FileBufferPtr >= SourceFile->FileBuffer + SourceFile->FileSize / sizeof (CHAR8 )) {
- SourceFile->EndOfFile = TRUE;
- return TRUE;
- }
-
- if (SourceFile->EndOfFile) {
- return TRUE;
- }
-
- return FALSE;
-}
-
-#if 0
-STATIC
-VOID
-ProcessTokenInclude (
- SOURCE_FILE *SourceFile
- )
-{
- CHAR8 IncludeFileName[MAX_PATH];
- CHAR8 *To;
- UINTN Len;
- BOOLEAN ReportedError;
- SOURCE_FILE IncludedSourceFile;
-
- ReportedError = FALSE;
- if (SkipWhiteSpace (SourceFile) == 0) {
- Warning (SourceFile->FileName, SourceFile->LineNum, 0, "expected whitespace following #include keyword", NULL);
- }
- //
- // Should be quoted file name
- //
- if (SourceFile->FileBufferPtr[0] != T_CHAR_DOUBLE_QUOTE) {
- Error (SourceFile->FileName, SourceFile->LineNum, 0, "expected quoted include file name", NULL);
- goto FailDone;
- }
-
- SourceFile->FileBufferPtr++;
- //
- // Copy the filename as ascii to our local string
- //
- To = IncludeFileName;
- Len = 0;
- while (!EndOfFile (SourceFile)) {
- if ((SourceFile->FileBufferPtr[0] == T_CHAR_CR) || (SourceFile->FileBufferPtr[0] == T_CHAR_LF)) {
- Error (SourceFile->FileName, SourceFile->LineNum, 0, "end-of-line found in quoted include file name", NULL);
- goto FailDone;
- }
-
- if (SourceFile->FileBufferPtr[0] == T_CHAR_DOUBLE_QUOTE) {
- SourceFile->FileBufferPtr++;
- break;
- }
- //
- // If too long, then report the error once and process until the closing quote
- //
- Len++;
- if (!ReportedError && (Len >= sizeof (IncludeFileName))) {
- Error (SourceFile->FileName, SourceFile->LineNum, 0, "length of include file name exceeds limit", NULL);
- ReportedError = TRUE;
- }
-
- if (!ReportedError) {
- *To = (CHAR8 ) SourceFile->FileBufferPtr[0];
- To++;
- }
-
- SourceFile->FileBufferPtr++;
- }
-
- if (!ReportedError) {
- *To = 0;
- memset ((CHAR8 *) &IncludedSourceFile, 0, sizeof (SOURCE_FILE));
- strcpy (IncludedSourceFile.FileName, IncludeFileName);
- ProcessIncludeFile (&IncludedSourceFile, SourceFile);
- }
-
- return ;
-FailDone:
- //
- // Error recovery -- skip to next #
- //
- SourceFile->SkipToHash = TRUE;
-}
-#endif
-STATIC
-BOOLEAN
-IsWhiteSpace (
- SOURCE_FILE *SourceFile
- )
-{
- switch (*SourceFile->FileBufferPtr) {
- case T_CHAR_NULL:
- case T_CHAR_CR:
- case T_CHAR_SPACE:
- case T_CHAR_TAB:
- case T_CHAR_LF:
- return TRUE;
-
- default:
- return FALSE;
- }
-}
-
-UINTN
-SkipWhiteSpace (
- SOURCE_FILE *SourceFile
- )
-{
- UINTN Count;
-
- Count = 0;
- while (!EndOfFile (SourceFile)) {
- Count++;
- switch (*SourceFile->FileBufferPtr) {
- case T_CHAR_NULL:
- case T_CHAR_CR:
- case T_CHAR_SPACE:
- case T_CHAR_TAB:
- SourceFile->FileBufferPtr++;
- break;
-
- case T_CHAR_LF:
- SourceFile->FileBufferPtr++;
- SourceFile->LineNum++;
- break;
-
- default:
- return Count - 1;
- }
- }
- //
- // Some tokens require trailing whitespace. If we're at the end of the
- // file, then we count that as well.
- //
- if ((Count == 0) && (EndOfFile (SourceFile))) {
- Count++;
- }
-
- return Count;
-}
-
-STATIC
-UINTN
-t_strcmp (
- CHAR8 *Buffer,
- CHAR8 *Str
- )
-/*++
-
-Routine Description:
- Compare two strings for equality. The string pointed to by 'Buffer' may or may not be null-terminated,
- so only compare up to the length of Str.
-
-Arguments:
- Buffer - pointer to first (possibly not null-terminated) string
- Str - pointer to null-terminated string to compare to Buffer
-
-Returns:
- Number of bytes matched if exact match
- 0 if Buffer does not start with Str
-
---*/
-{
- UINTN Len;
-
- Len = 0;
- while (*Str && (*Str == *Buffer)) {
- Buffer++;
- Str++;
- Len++;
- }
-
- if (*Str) {
- return 0;
- }
-
- return Len;
-}
-
-STATIC
-UINTN
-t_strlen (
- CHAR8 *Str
- )
-{
- UINTN Len;
- Len = 0;
- while (*Str) {
- Len++;
- Str++;
- }
-
- return Len;
-}
-
-STATIC
-UINTN
-t_strncmp (
- CHAR8 *Str1,
- CHAR8 *Str2,
- INTN Len
- )
-{
- while (Len > 0) {
- if (*Str1 != *Str2) {
- return Len;
- }
-
- Len--;
- Str1++;
- Str2++;
- }
-
- return 0;
-}
-
-STATIC
-CHAR8 *
-t_strcpy (
- CHAR8 *Dest,
- CHAR8 *Src
- )
-{
- CHAR8 *SaveDest;
- SaveDest = Dest;
- while (*Src) {
- *Dest = *Src;
- Dest++;
- Src++;
- }
-
- *Dest = 0;
- return SaveDest;
-}
-
-STATIC
-VOID
-RewindFile (
- SOURCE_FILE *SourceFile
- )
-{
- SourceFile->LineNum = 1;
- SourceFile->FileBufferPtr = SourceFile->FileBuffer;
- SourceFile->EndOfFile = 0;
-}
-
-STATIC
-UINT32
-GetHexChars (
- CHAR8 *Buffer,
- UINT32 BufferLen
- )
-{
- UINT32 Len;
- Len = 0;
- while (!EndOfFile (&mGlobals.SourceFile) && (BufferLen > 0)) {
- if (isxdigit ((int)mGlobals.SourceFile.FileBufferPtr[0])) {
- *Buffer = mGlobals.SourceFile.FileBufferPtr[0];
- Buffer++;
- Len++;
- BufferLen--;
- mGlobals.SourceFile.FileBufferPtr++;
- } else {
- break;
- }
- }
- //
- // Null terminate if we can
- //
- if ((Len > 0) && (BufferLen > 0)) {
- *Buffer = 0;
- }
-
- return Len;
-}
-
-BOOLEAN
-SFPGetGuid (
- INTN GuidStyle,
- EFI_GUID *Value
- )
-/*++
-
-Routine Description:
- Parse a GUID from the input stream. Stop when you discover white space.
-
-Arguments:
- GuidStyle - Style of the following GUID token
- Value - pointer to EFI_GUID struct for output
-
-Returns:
- TRUE - GUID string parsed successfully
- FALSE - otherwise
-
- GUID styles
- Style[0] 12345678-1234-5678-AAAA-BBBBCCCCDDDD
-
---*/
-{
- INT32 Value32;
- UINT32 Index;
- FILE_POSITION FPos;
- CHAR8 TempString[20];
- CHAR8 TempString2[3];
- CHAR8 *From;
- CHAR8 *To;
- UINT32 Len;
- BOOLEAN Status;
-
- Status = FALSE;
- //
- // Skip white space, then start parsing
- //
- SkipWhiteSpace (&mGlobals.SourceFile);
- GetFilePosition (&FPos);
- if (EndOfFile (&mGlobals.SourceFile)) {
- return FALSE;
- }
-
- if (GuidStyle == PARSE_GUID_STYLE_5_FIELDS) {
- //
- // Style[0] 12345678-1234-5678-AAAA-BBBBCCCCDDDD
- //
- Len = GetHexChars (TempString, sizeof (TempString));
- if ((Len == 0) || (Len > 8)) {
- goto Done;
- }
-
- sscanf (TempString, "%x", &Value32);
- Value->Data1 = Value32;
- //
- // Next two UINT16 fields
- //
- if (mGlobals.SourceFile.FileBufferPtr[0] != '-') {
- goto Done;
- }
-
- mGlobals.SourceFile.FileBufferPtr++;
- Len = GetHexChars (TempString, sizeof (TempString));
- if ((Len == 0) || (Len > 4)) {
- goto Done;
- }
-
- sscanf (TempString, "%x", &Value32);
- Value->Data2 = (UINT16) Value32;
-
- if (mGlobals.SourceFile.FileBufferPtr[0] != '-') {
- goto Done;
- }
-
- mGlobals.SourceFile.FileBufferPtr++;
- Len = GetHexChars (TempString, sizeof (TempString));
- if ((Len == 0) || (Len > 4)) {
- goto Done;
- }
-
- sscanf (TempString, "%x", &Value32);
- Value->Data3 = (UINT16) Value32;
- //
- // Parse the "AAAA" as two bytes
- //
- if (mGlobals.SourceFile.FileBufferPtr[0] != '-') {
- goto Done;
- }
-
- mGlobals.SourceFile.FileBufferPtr++;
- Len = GetHexChars (TempString, sizeof (TempString));
- if ((Len == 0) || (Len > 4)) {
- goto Done;
- }
-
- sscanf (TempString, "%x", &Value32);
- Value->Data4[0] = (UINT8) (Value32 >> 8);
- Value->Data4[1] = (UINT8) Value32;
- if (mGlobals.SourceFile.FileBufferPtr[0] != '-') {
- goto Done;
- }
-
- mGlobals.SourceFile.FileBufferPtr++;
- //
- // Read the last 6 bytes of the GUID
- //
- //
- Len = GetHexChars (TempString, sizeof (TempString));
- if ((Len == 0) || (Len > 12)) {
- goto Done;
- }
- //
- // Insert leading 0's to make life easier
- //
- if (Len != 12) {
- From = TempString + Len - 1;
- To = TempString + 11;
- TempString[12] = 0;
- while (From >= TempString) {
- *To = *From;
- To--;
- From--;
- }
-
- while (To >= TempString) {
- *To = '0';
- To--;
- }
- }
- //
- // Now parse each byte
- //
- TempString2[2] = 0;
- for (Index = 0; Index < 6; Index++) {
- //
- // Copy the two characters from the input string to something
- // we can parse.
- //
- TempString2[0] = TempString[Index * 2];
- TempString2[1] = TempString[Index * 2 + 1];
- sscanf (TempString2, "%x", &Value32);
- Value->Data4[Index + 2] = (UINT8) Value32;
- }
-
- Status = TRUE;
- } else {
- //
- // Unsupported GUID style
- //
- return FALSE;
- }
-
-Done:
- if (Status == FALSE) {
- SetFilePosition (&FPos);
- }
-
- return Status;
-}
-
-STATIC
-STATUS
-GetFilePosition (
- FILE_POSITION *Fpos
- )
-{
- Fpos->FileBufferPtr = mGlobals.SourceFile.FileBufferPtr;
- return STATUS_SUCCESS;
-}
-
-STATIC
-STATUS
-SetFilePosition (
- FILE_POSITION *Fpos
- )
-{
- //
- // Should check range of pointer
- //
- mGlobals.SourceFile.FileBufferPtr = Fpos->FileBufferPtr;
- return STATUS_SUCCESS;
-}
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