diff options
Diffstat (limited to 'Tools/CCode/Source/FlashMap/Symbols.c')
| -rw-r--r-- | Tools/CCode/Source/FlashMap/Symbols.c | 648 |
1 files changed, 0 insertions, 648 deletions
diff --git a/Tools/CCode/Source/FlashMap/Symbols.c b/Tools/CCode/Source/FlashMap/Symbols.c deleted file mode 100644 index 8e408144db..0000000000 --- a/Tools/CCode/Source/FlashMap/Symbols.c +++ /dev/null @@ -1,648 +0,0 @@ -/*++
-
-Copyright (c) 2004-2006 Intel Corporation. All rights reserved
-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.
-
-Module Name:
-
- Symbol.c
-
-Abstract:
-
- Class-like implementation for a symbol table.
-
---*/
-
-// GC_TODO: fix comment to set correct module name: Symbols.c
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-//
-// for isspace()
-//
-#include <ctype.h>
-
-#include <Common/UefiBaseTypes.h>
-
-#include "CommonLib.h"
-#include "EfiUtilityMsgs.h"
-#include "Symbols.h"
-
-#define MAX_LINE_LEN 512
-
-//
-// Linked list to keep track of all symbols
-//
-typedef struct _SYMBOL {
- struct _SYMBOL *Next;
- int Type;
- char *Name;
- char *Value;
-} SYMBOL;
-
-static
-SYMBOL *
-FreeSymbols (
- SYMBOL *Syms
- );
-
-static
-int
-ExpandMacros (
- char *SourceLine,
- char *DestLine,
- int LineLen
- );
-
-static SYMBOL *mSymbolTable = NULL;
-
-void
-SymbolsConstructor (
- VOID
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- None
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- SymbolsDestructor ();
-}
-
-void
-SymbolsDestructor (
- VOID
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- None
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- mSymbolTable = FreeSymbols (mSymbolTable);
-}
-
-char *
-GetSymbolValue (
- char *SymbolName
- )
-/*++
-
-Routine Description:
-
- Look up a symbol in our symbol table.
-
-Arguments:
-
- SymbolName
-
-Returns:
-
- Pointer to the value of the symbol if found
- NULL if the symbol is not found
-
---*/
-// GC_TODO: SymbolName - add argument and description to function comment
-{
- SYMBOL *Symbol;
- //
- // Walk the symbol table
- //
- Symbol = mSymbolTable;
- while (Symbol) {
- if (stricmp (SymbolName, Symbol->Name) == 0) {
- return Symbol->Value;
- }
-
- Symbol = Symbol->Next;
- }
-
- return NULL;
-}
-
-int
-SymbolAdd (
- char *Name,
- char *Value,
- int Mode
- )
-/*++
-
-Routine Description:
-
- Add a symbol name/value to the symbol table
-
-Arguments:
-
- Name - name of symbol to add
- Value - value of symbol to add
- Mode - currrently unused
-
-Returns:
-
- Length of symbol added.
-
-Notes:
- If Value == NULL, then this routine will assume that the Name field
- looks something like "MySymName = MySymValue", and will try to parse
- it that way and add the symbol name/pair from the string.
-
---*/
-{
- SYMBOL *Symbol;
-
- SYMBOL *NewSymbol;
- int Len;
- char *Start;
- char *Cptr;
- char CSave;
- char *SaveCptr;
-
- Len = 0;
- SaveCptr = NULL;
- CSave = 0;
- //
- // If value pointer is null, then they passed us a line something like:
- // varname = value, or simply var =
- //
- if (Value == NULL) {
- Start = Name;
- while (*Name && isspace (*Name)) {
- Name++;
- }
-
- if (Name == NULL) {
- return -1;
- }
- //
- // Find the end of the name. Either space or a '='.
- //
- for (Value = Name; *Value && !isspace (*Value) && (*Value != '='); Value++)
- ;
- if (Value == NULL) {
- return -1;
- }
- //
- // Look for the '='
- //
- Cptr = Value;
- while (*Value && (*Value != '=')) {
- Value++;
- }
-
- if (Value == NULL) {
- return -1;
- }
- //
- // Now truncate the name
- //
- *Cptr = 0;
- //
- // Skip over the = and then any spaces
- //
- Value++;
- while (*Value && isspace (*Value)) {
- Value++;
-
- }
- //
- // Find end of string, checking for quoted string
- //
- if (*Value == '\"') {
- Value++;
- for (Cptr = Value; *Cptr && *Cptr != '\"'; Cptr++)
- ;
- } else {
- for (Cptr = Value; *Cptr && !isspace (*Cptr); Cptr++)
- ;
- }
- //
- // Null terminate the value string
- //
- CSave = *Cptr;
- SaveCptr = Cptr;
- *Cptr = 0;
- Len = (int) (Cptr - Start);
- }
- //
- // We now have a symbol name and a value. Look for an existing variable
- // and overwrite it.
- //
- Symbol = mSymbolTable;
- while (Symbol) {
- //
- // Check for symbol name match
- //
- if (stricmp (Name, Symbol->Name) == 0) {
- _free (Symbol->Value);
- Symbol->Value = (char *) _malloc (strlen (Value) + 1);
- if (Symbol->Value == NULL) {
- Error (NULL, 0, 0, NULL, "failed to allocate memory");
- return -1;
- }
-
- strcpy (Symbol->Value, Value);
- //
- // If value == "NULL", then make it a 0-length string
- //
- if (stricmp (Symbol->Value, "NULL") == 0) {
- Symbol->Value[0] = 0;
- }
-
- return Len;
- }
-
- Symbol = Symbol->Next;
- }
- //
- // Does not exist, create a new one
- //
- NewSymbol = (SYMBOL *) _malloc (sizeof (SYMBOL));
- if (NewSymbol == NULL) {
- Error (NULL, 0, 0, NULL, "memory allocation failure");
- return -1;
- }
-
- memset ((char *) NewSymbol, 0, sizeof (SYMBOL));
- NewSymbol->Name = (char *) _malloc (strlen (Name) + 1);
- if (NewSymbol->Name == NULL) {
- Error (NULL, 0, 0, NULL, "memory allocation failure");
- _free (NewSymbol);
- return -1;
- }
-
- NewSymbol->Value = (char *) _malloc (strlen (Value) + 1);
- if (NewSymbol->Value == NULL) {
- Error (NULL, 0, 0, NULL, "memory allocation failure");
- _free (NewSymbol->Name);
- _free (NewSymbol);
- return -1;
- }
-
- strcpy (NewSymbol->Name, Name);
- strcpy (NewSymbol->Value, Value);
- //
- // Remove trailing spaces
- //
- Cptr = NewSymbol->Value + strlen (NewSymbol->Value) - 1;
- while (Cptr > NewSymbol->Value) {
- if (isspace (*Cptr)) {
- *Cptr = 0;
- Cptr--;
- } else {
- break;
- }
- }
- //
- // Add it to the head of the list.
- //
- NewSymbol->Next = mSymbolTable;
- mSymbolTable = NewSymbol;
- //
- // If value == "NULL", then make it a 0-length string
- //
- if (stricmp (NewSymbol->Value, "NULL") == 0) {
- NewSymbol->Value[0] = 0;
- }
- //
- // Restore the terminator we inserted if they passed in var=value
- //
- if (SaveCptr != NULL) {
- *SaveCptr = CSave;
- }
- _free (NewSymbol->Value);
- _free (NewSymbol->Name);
- _free (NewSymbol);
- return Len;
-}
-
-static
-STATUS
-RemoveSymbol (
- char *Name,
- char SymbolType
- )
-/*++
-
-Routine Description:
-
- Remove a symbol name/value from the symbol table
-
-Arguments:
-
- Name - name of symbol to remove
- SymbolType - type of symbol to remove
-
-Returns:
-
- STATUS_SUCCESS - matching symbol found and removed
- STATUS_ERROR - matching symbol not found in symbol table
-
---*/
-{
- SYMBOL *Symbol;
-
- SYMBOL *PrevSymbol;
-
- PrevSymbol = NULL;
- Symbol = mSymbolTable;
- //
- // Walk the linked list of symbols in the symbol table looking
- // for a match of both symbol name and type.
- //
- while (Symbol) {
- if ((stricmp (Name, Symbol->Name) == 0) && (Symbol->Type & SymbolType)) {
- //
- // If the symbol has a value associated with it, free the memory
- // allocated for the value.
- // Then free the memory allocated for the symbols string name.
- //
- if (Symbol->Value) {
- _free (Symbol->Value);
- }
-
- _free (Symbol->Name);
- //
- // Link the previous symbol to the next symbol to effectively
- // remove this symbol from the linked list.
- //
- if (PrevSymbol) {
- PrevSymbol->Next = Symbol->Next;
- } else {
- mSymbolTable = Symbol->Next;
- }
-
- _free (Symbol);
- return STATUS_SUCCESS;
- }
-
- PrevSymbol = Symbol;
- Symbol = Symbol->Next;
- }
-
- return STATUS_WARNING;
-}
-
-static
-SYMBOL *
-FreeSymbols (
- SYMBOL *Syms
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Syms - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
-{
- SYMBOL *Next;
- while (Syms) {
- if (Syms->Name != NULL) {
- _free (Syms->Name);
- }
-
- if (Syms->Value != NULL) {
- _free (Syms->Value);
- }
-
- Next = Syms->Next;
- _free (Syms);
- Syms = Next;
- }
-
- return Syms;
-}
-
-static
-int
-ExpandMacros (
- char *SourceLine,
- char *DestLine,
- int LineLen
- )
-/*++
-
-Routine Description:
-
- Given a line of text, replace all variables of format $(NAME) with values
- from our symbol table.
-
-Arguments:
-
- SourceLine - input line of text to do symbol replacements on
- DestLine - on output, SourceLine with symbols replaced
- LineLen - length of DestLine, so we don't exceed its allocated length
-
-Returns:
-
- STATUS_SUCCESS - no problems encountered
- STATUS_WARNING - missing closing parenthesis on a symbol reference in SourceLine
- STATUS_ERROR - memory allocation failure
-
---*/
-{
- static int NestDepth = 0;
- char *FromPtr;
- char *ToPtr;
- char *SaveStart;
- char *Cptr;
- char *value;
- int Expanded;
- int ExpandedCount;
- INT8 *LocalDestLine;
- STATUS Status;
- int LocalLineLen;
-
- NestDepth++;
- Status = STATUS_SUCCESS;
- LocalDestLine = (char *) _malloc (LineLen);
- if (LocalDestLine == NULL) {
- Error (__FILE__, __LINE__, 0, "memory allocation failed", NULL);
- return STATUS_ERROR;
- }
-
- FromPtr = SourceLine;
- ToPtr = LocalDestLine;
- //
- // Walk the entire line, replacing $(MACRO_NAME).
- //
- LocalLineLen = LineLen;
- ExpandedCount = 0;
- while (*FromPtr && (LocalLineLen > 0)) {
- if ((*FromPtr == '$') && (*(FromPtr + 1) == '(')) {
- //
- // Save the start in case it's undefined, in which case we copy it as-is.
- //
- SaveStart = FromPtr;
- Expanded = 0;
- //
- // Macro expansion time. Find the end (no spaces allowed)
- //
- FromPtr += 2;
- for (Cptr = FromPtr; *Cptr && (*Cptr != ')'); Cptr++)
- ;
- if (*Cptr) {
- //
- // Truncate the string at the closing parenthesis for ease-of-use.
- // Then copy the string directly to the destination line in case we don't find
- // a definition for it.
- //
- *Cptr = 0;
- strcpy (ToPtr, SaveStart);
- if ((value = GetSymbolValue (FromPtr)) != NULL) {
- strcpy (ToPtr, value);
- LocalLineLen -= strlen (value);
- ToPtr += strlen (value);
- Expanded = 1;
- ExpandedCount++;
- }
-
- if (!Expanded) {
- //
- // Restore closing parenthesis, and advance to next character
- //
- *Cptr = ')';
- FromPtr = SaveStart + 1;
- ToPtr++;
- } else {
- FromPtr = Cptr + 1;
- }
- } else {
- Error (NULL, 0, 0, SourceLine, "missing closing parenthesis on macro");
- strcpy (ToPtr, FromPtr);
- Status = STATUS_WARNING;
- goto Done;
- }
- } else {
- *ToPtr = *FromPtr;
- FromPtr++;
- ToPtr++;
- LocalLineLen--;
- }
- }
-
- if (*FromPtr == 0) {
- *ToPtr = 0;
- }
-
- //
- // If we expanded at least one string successfully, then make a recursive call to try again.
- //
- if ((ExpandedCount != 0) && (Status == STATUS_SUCCESS) && (NestDepth < 10)) {
- Status = ExpandMacros (LocalDestLine, DestLine, LineLen);
- _free (LocalDestLine);
- NestDepth = 0;
- return Status;
- }
-
-Done:
- if (Status != STATUS_ERROR) {
- strcpy (DestLine, LocalDestLine);
- }
-
- NestDepth = 0;
- _free (LocalDestLine);
- return Status;
-}
-
-STATUS
-SymbolsFileStringsReplace (
- char *InFileName,
- char *OutFileName
- )
-/*++
-
-Routine Description:
-
- Given input and output file names, read in the input file, replace variable
- references of format $(NAME) with appropriate values from our symbol table,
- and write the result out to the output file.
-
-Arguments:
-
- InFileName - name of input text file to replace variable references
- OutFileName - name of output text file to write results to
-
-Returns:
-
- STATUS_SUCCESS - no problems encountered
- STATUS_ERROR - failed to open input or output file
-
---*/
-{
- STATUS Status;
- FILE *InFptr;
- FILE *OutFptr;
- char Line[MAX_LINE_LEN];
- char OutLine[MAX_LINE_LEN];
-
- Status = STATUS_ERROR;
- //
- // Open input and output files
- //
- InFptr = NULL;
- OutFptr = NULL;
- if ((InFptr = fopen (InFileName, "r")) == NULL) {
- Error (NULL, 0, 0, InFileName, "failed to open input file for reading");
- goto Done;
- }
-
- if ((OutFptr = fopen (OutFileName, "w")) == NULL) {
- Error (NULL, 0, 0, OutFileName, "failed to open output file for writing");
- goto Done;
- }
- //
- // Read lines from input file until done
- //
- while (fgets (Line, sizeof (Line), InFptr) != NULL) {
- ExpandMacros (Line, OutLine, sizeof (OutLine));
- fprintf (OutFptr, OutLine);
- }
-
- Status = STATUS_SUCCESS;
-Done:
- if (InFptr != NULL) {
- fclose (InFptr);
- }
-
- if (OutFptr != NULL) {
- fclose (OutFptr);
- }
-
- return Status;
-}
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