+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2004, Intel Corporation \r
-All rights reserved. This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-Module Name:\r
-\r
- SimpleFileParsing.c \r
-\r
-Abstract:\r
-\r
- Generic but simple file parsing routines.\r
-\r
---*/\r
-\r
-#include <stdio.h>\r
-#include <string.h>\r
-#include <stdlib.h>\r
-#include <ctype.h>\r
-\r
-#include <Common/UefiBaseTypes.h>\r
-\r
-#include "EfiUtilityMsgs.h"\r
-#include "SimpleFileParsing.h"\r
-\r
-#define MAX_PATH 255\r
-#define MAX_NEST_DEPTH 20 // just in case we get in an endless loop.\r
-#define MAX_STRING_IDENTIFIER_NAME 100 // number of wchars\r
-#define MAX_LINE_LEN 400\r
-\r
-#define T_CHAR_SPACE ' '\r
-#define T_CHAR_NULL 0\r
-#define T_CHAR_CR '\r'\r
-#define T_CHAR_TAB '\t'\r
-#define T_CHAR_LF '\n'\r
-#define T_CHAR_SLASH '/'\r
-#define T_CHAR_BACKSLASH '\\'\r
-#define T_CHAR_DOUBLE_QUOTE '"'\r
-#define T_CHAR_LC_X 'x'\r
-#define T_CHAR_0 '0'\r
-\r
-//\r
-// We keep a linked list of these for the source files we process\r
-//\r
-typedef struct _SOURCE_FILE {\r
- FILE *Fptr;\r
- T_CHAR *FileBuffer;\r
- T_CHAR *FileBufferPtr;\r
- UINT32 FileSize;\r
- INT8 FileName[MAX_PATH];\r
- UINT32 LineNum;\r
- BOOLEAN EndOfFile;\r
- BOOLEAN SkipToHash;\r
- struct _SOURCE_FILE *Previous;\r
- struct _SOURCE_FILE *Next;\r
- T_CHAR ControlCharacter;\r
-} SOURCE_FILE;\r
-\r
-//\r
-// Here's all our module globals.\r
-//\r
-static struct {\r
- SOURCE_FILE SourceFile;\r
- BOOLEAN Verbose;\r
-} mGlobals;\r
-\r
-static\r
-UINT32\r
-t_strcmp (\r
- T_CHAR *Buffer,\r
- T_CHAR *Str\r
- );\r
-\r
-static\r
-UINT32\r
-t_strncmp (\r
- T_CHAR *Str1,\r
- T_CHAR *Str2,\r
- UINT32 Len\r
- );\r
-\r
-static\r
-UINT32\r
-t_strlen (\r
- T_CHAR *Str\r
- );\r
-\r
-static\r
-void\r
-RewindFile (\r
- SOURCE_FILE *SourceFile\r
- );\r
-\r
-static\r
-BOOLEAN\r
-SkipTo (\r
- SOURCE_FILE *SourceFile,\r
- T_CHAR TChar,\r
- BOOLEAN StopAfterNewline\r
- );\r
-\r
-static\r
-BOOLEAN\r
-IsWhiteSpace (\r
- SOURCE_FILE *SourceFile\r
- );\r
-\r
-static\r
-UINT32\r
-SkipWhiteSpace (\r
- SOURCE_FILE *SourceFile\r
- );\r
-\r
-static\r
-BOOLEAN\r
-EndOfFile (\r
- SOURCE_FILE *SourceFile\r
- );\r
-\r
-static\r
-void\r
-PreprocessFile (\r
- SOURCE_FILE *SourceFile\r
- );\r
-\r
-//\r
-// static\r
-// T_CHAR *\r
-// GetQuotedString (\r
-// SOURCE_FILE *SourceFile,\r
-// BOOLEAN Optional\r
-// );\r
-//\r
-static\r
-T_CHAR *\r
-t_strcpy (\r
- T_CHAR *Dest,\r
- T_CHAR *Src\r
- );\r
-\r
-static\r
-STATUS\r
-ProcessIncludeFile (\r
- SOURCE_FILE *SourceFile,\r
- SOURCE_FILE *ParentSourceFile\r
- );\r
-\r
-static\r
-STATUS\r
-ParseFile (\r
- SOURCE_FILE *SourceFile\r
- );\r
-\r
-static\r
-FILE *\r
-FindFile (\r
- IN INT8 *FileName,\r
- OUT INT8 *FoundFileName,\r
- IN UINT32 FoundFileNameLen\r
- );\r
-\r
-static\r
-STATUS\r
-ProcessFile (\r
- SOURCE_FILE *SourceFile\r
- );\r
-\r
-STATUS\r
-SFPInit (\r
- VOID\r
- )\r
-{\r
- memset ((void *) &mGlobals, 0, sizeof (mGlobals));\r
- return STATUS_SUCCESS;\r
-}\r
-\r
-UINT32\r
-SFPGetLineNumber (\r
- VOID\r
- )\r
-{\r
- return mGlobals.SourceFile.LineNum;\r
-}\r
-\r
-/*++\r
-\r
-Routine Description:\r
- Return the line number of the file we're parsing. Used\r
- for error reporting purposes.\r
-\r
-Arguments:\r
- None.\r
-\r
-Returns:\r
- The line number, or 0 if no file is being processed\r
-\r
---*/\r
-T_CHAR *\r
-SFPGetFileName (\r
- VOID\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Return the name of the file we're parsing. Used\r
- for error reporting purposes.\r
-\r
-Arguments:\r
- None.\r
-\r
-Returns:\r
- A pointer to the file name. Null if no file is being\r
- processed.\r
-\r
---*/\r
-{\r
- if (mGlobals.SourceFile.FileName[0]) {\r
- return mGlobals.SourceFile.FileName;\r
- }\r
-\r
- return NULL;\r
-}\r
-\r
-STATUS\r
-SFPOpenFile (\r
- IN INT8 *FileName\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Open a file for parsing.\r
-\r
-Arguments:\r
- FileName - name of the file to parse\r
-\r
-Returns:\r
- \r
-\r
---*/\r
-{\r
- STATUS Status;\r
- t_strcpy (mGlobals.SourceFile.FileName, FileName);\r
- Status = ProcessIncludeFile (&mGlobals.SourceFile, NULL);\r
- return Status;\r
-}\r
-\r
-BOOLEAN\r
-SFPIsToken (\r
- T_CHAR *Str\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Check to see if the specified token is found at\r
- the current position in the input file.\r
-\r
-Arguments:\r
- Str - the token to look for\r
-\r
-Returns:\r
- TRUE - the token is next\r
- FALSE - the token is not next\r
-\r
-Notes:\r
- We do a simple string comparison on this function. It is\r
- the responsibility of the caller to ensure that the token\r
- is not a subset of some other token.\r
-\r
- The file pointer is advanced past the token in the input file.\r
-\r
---*/\r
-{\r
- UINT32 Len;\r
- SkipWhiteSpace (&mGlobals.SourceFile);\r
-\r
- if ((Len = t_strcmp (mGlobals.SourceFile.FileBufferPtr, Str)) > 0) {\r
- mGlobals.SourceFile.FileBufferPtr += Len;\r
- return TRUE;\r
- }\r
-\r
- return FALSE;\r
-\r
-}\r
-\r
-BOOLEAN\r
-SFPGetNextToken (\r
- T_CHAR *Str,\r
- UINT32 Len\r
- )\r
-{\r
- UINT32 Index;\r
- SkipWhiteSpace (&mGlobals.SourceFile);\r
- Index = 0;\r
- while (!EndOfFile (&mGlobals.SourceFile) && (Index < Len)) {\r
- if (IsWhiteSpace (&mGlobals.SourceFile)) {\r
- if (Index > 0) {\r
- Str[Index] = 0;\r
- return TRUE;\r
- }\r
-\r
- return FALSE;\r
- } else {\r
- Str[Index] = mGlobals.SourceFile.FileBufferPtr[0];\r
- mGlobals.SourceFile.FileBufferPtr++;\r
- Index++;\r
- }\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-BOOLEAN\r
-SFPSkipToToken (\r
- T_CHAR *Str\r
- )\r
-{\r
- UINT32 Len;\r
- T_CHAR *SavePos;\r
- Len = t_strlen (Str);\r
- SavePos = mGlobals.SourceFile.FileBufferPtr;\r
- SkipWhiteSpace (&mGlobals.SourceFile);\r
- while (!EndOfFile (&mGlobals.SourceFile)) {\r
- if (t_strncmp (Str, mGlobals.SourceFile.FileBufferPtr, Len) == 0) {\r
- mGlobals.SourceFile.FileBufferPtr += Len;\r
- return TRUE;\r
- }\r
-\r
- mGlobals.SourceFile.FileBufferPtr++;\r
- SkipWhiteSpace (&mGlobals.SourceFile);\r
- }\r
-\r
- mGlobals.SourceFile.FileBufferPtr = SavePos;\r
- return FALSE;\r
-}\r
-\r
-BOOLEAN\r
-SFPGetNumber (\r
- UINT32 *Value\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Check the token at the current file position for a numeric value.\r
- May be either decimal or hex.\r
-\r
-Arguments:\r
- Value - pointer where to store the value\r
-\r
-Returns:\r
- FALSE - current token is not a number\r
- TRUE - current token is a number\r
-\r
---*/\r
-{\r
- //\r
- // UINT32 Len;\r
- //\r
- SkipWhiteSpace (&mGlobals.SourceFile);\r
- if (EndOfFile (&mGlobals.SourceFile)) {\r
- return FALSE;\r
- }\r
-\r
- if (isdigit (mGlobals.SourceFile.FileBufferPtr[0])) {\r
- //\r
- // Check for hex value\r
- //\r
- if ((mGlobals.SourceFile.FileBufferPtr[0] == T_CHAR_0) && (mGlobals.SourceFile.FileBufferPtr[1] == T_CHAR_LC_X)) {\r
- if (!isxdigit (mGlobals.SourceFile.FileBufferPtr[2])) {\r
- return FALSE;\r
- }\r
-\r
- mGlobals.SourceFile.FileBufferPtr += 2;\r
- sscanf (mGlobals.SourceFile.FileBufferPtr, "%x", Value);\r
- while (isxdigit (mGlobals.SourceFile.FileBufferPtr[0])) {\r
- mGlobals.SourceFile.FileBufferPtr++;\r
- }\r
-\r
- return TRUE;\r
- } else {\r
- *Value = atoi (mGlobals.SourceFile.FileBufferPtr);\r
- while (isdigit (mGlobals.SourceFile.FileBufferPtr[0])) {\r
- mGlobals.SourceFile.FileBufferPtr++;\r
- }\r
-\r
- return TRUE;\r
- }\r
- } else {\r
- return FALSE;\r
- }\r
-}\r
-\r
-STATUS\r
-SFPCloseFile (\r
- VOID\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Close the file being parsed.\r
-\r
-Arguments:\r
- None.\r
-\r
-Returns:\r
- STATUS_SUCCESS - the file was closed \r
- STATUS_ERROR - no file is currently open\r
-\r
---*/\r
-{\r
- if (mGlobals.SourceFile.FileBuffer != NULL) {\r
- free (mGlobals.SourceFile.FileBuffer);\r
- memset (&mGlobals.SourceFile, 0, sizeof (mGlobals.SourceFile));\r
- return STATUS_SUCCESS;\r
- }\r
-\r
- return STATUS_ERROR;\r
-}\r
-\r
-static\r
-STATUS\r
-ProcessIncludeFile (\r
- SOURCE_FILE *SourceFile,\r
- SOURCE_FILE *ParentSourceFile\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Given a source file, open the file and parse it\r
- \r
-Arguments:\r
-\r
- SourceFile - name of file to parse\r
- ParentSourceFile - for error reporting purposes, the file that #included SourceFile.\r
-\r
-Returns:\r
-\r
- Standard status.\r
- \r
---*/\r
-{\r
- static UINT32 NestDepth = 0;\r
- INT8 FoundFileName[MAX_PATH];\r
- STATUS Status;\r
-\r
- Status = STATUS_SUCCESS;\r
- NestDepth++;\r
- //\r
- // Print the file being processed. Indent so you can tell the include nesting\r
- // depth.\r
- //\r
- if (mGlobals.Verbose) {\r
- fprintf (stdout, "%*cProcessing file '%s'\n", NestDepth * 2, ' ', SourceFile->FileName);\r
- }\r
-\r
- //\r
- // Make sure we didn't exceed our maximum nesting depth\r
- //\r
- if (NestDepth > MAX_NEST_DEPTH) {\r
- Error (NULL, 0, 0, SourceFile->FileName, "max nesting depth (%d) exceeded", NestDepth);\r
- Status = STATUS_ERROR;\r
- goto Finish;\r
- }\r
- //\r
- // Try to open the file locally, and if that fails try along our include paths.\r
- //\r
- strcpy (FoundFileName, SourceFile->FileName);\r
- if ((SourceFile->Fptr = fopen (FoundFileName, "r")) == NULL) {\r
- //\r
- // Try to find it among the paths if it has a parent (that is, it is included\r
- // by someone else).\r
- //\r
- Error (NULL, 0, 0, SourceFile->FileName, "file not found");\r
- return STATUS_ERROR;\r
- }\r
- //\r
- // Process the file found\r
- //\r
- ProcessFile (SourceFile);\r
-Finish:\r
- //\r
- // Close open files and return status\r
- //\r
- if (SourceFile->Fptr != NULL) {\r
- fclose (SourceFile->Fptr);\r
- SourceFile->Fptr = NULL;\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-static\r
-STATUS\r
-ProcessFile (\r
- SOURCE_FILE *SourceFile\r
- )\r
-{\r
- //\r
- // Get the file size, and then read the entire thing into memory.\r
- // Allocate space for a terminator character.\r
- //\r
- fseek (SourceFile->Fptr, 0, SEEK_END);\r
- SourceFile->FileSize = ftell (SourceFile->Fptr);\r
- fseek (SourceFile->Fptr, 0, SEEK_SET);\r
- SourceFile->FileBuffer = (T_CHAR *) malloc (SourceFile->FileSize + sizeof (T_CHAR));\r
- if (SourceFile->FileBuffer == NULL) {\r
- Error (NULL, 0, 0, "memory allocation failure", NULL);\r
- return STATUS_ERROR;\r
- }\r
-\r
- fread ((VOID *) SourceFile->FileBuffer, SourceFile->FileSize, 1, SourceFile->Fptr);\r
- SourceFile->FileBuffer[(SourceFile->FileSize / sizeof (T_CHAR))] = T_CHAR_NULL;\r
- //\r
- // Pre-process the file to replace comments with spaces\r
- //\r
- PreprocessFile (SourceFile);\r
- SourceFile->LineNum = 1;\r
- return STATUS_SUCCESS;\r
-}\r
-\r
-static\r
-void\r
-PreprocessFile (\r
- SOURCE_FILE *SourceFile\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Preprocess a file to replace all carriage returns with NULLs so\r
- we can print lines from the file to the screen.\r
- \r
-Arguments:\r
- SourceFile - structure that we use to keep track of an input file.\r
-\r
-Returns:\r
- Nothing.\r
- \r
---*/\r
-{\r
- BOOLEAN InComment;\r
-\r
- RewindFile (SourceFile);\r
- InComment = FALSE;\r
- while (!EndOfFile (SourceFile)) {\r
- //\r
- // If a line-feed, then no longer in a comment\r
- //\r
- if (SourceFile->FileBufferPtr[0] == T_CHAR_LF) {\r
- SourceFile->FileBufferPtr++;\r
- SourceFile->LineNum++;\r
- InComment = 0;\r
- } else if (SourceFile->FileBufferPtr[0] == T_CHAR_CR) {\r
- //\r
- // Replace all carriage returns with a NULL so we can print stuff\r
- //\r
- SourceFile->FileBufferPtr[0] = 0;\r
- SourceFile->FileBufferPtr++;\r
- } else if (InComment) {\r
- SourceFile->FileBufferPtr[0] = T_CHAR_SPACE;\r
- SourceFile->FileBufferPtr++;\r
- } else if ((SourceFile->FileBufferPtr[0] == T_CHAR_SLASH) && (SourceFile->FileBufferPtr[1] == T_CHAR_SLASH)) {\r
- SourceFile->FileBufferPtr += 2;\r
- InComment = TRUE;\r
- } else {\r
- SourceFile->FileBufferPtr++;\r
- }\r
- }\r
- //\r
- // Could check for end-of-file and still in a comment, but\r
- // should not be necessary. So just restore the file pointers.\r
- //\r
- RewindFile (SourceFile);\r
-}\r
-\r
-#if 0\r
-static\r
-T_CHAR *\r
-GetQuotedString (\r
- SOURCE_FILE *SourceFile,\r
- BOOLEAN Optional\r
- )\r
-{\r
- T_CHAR *String;\r
- T_CHAR *Start;\r
- T_CHAR *Ptr;\r
- UINT32 Len;\r
- BOOLEAN PreviousBackslash;\r
-\r
- if (SourceFile->FileBufferPtr[0] != T_CHAR_DOUBLE_QUOTE) {\r
- if (!Optional) {\r
- Error (SourceFile->FileName, SourceFile->LineNum, 0, "expected quoted string", "%S", SourceFile->FileBufferPtr);\r
- }\r
-\r
- return NULL;\r
- }\r
-\r
- Len = 0;\r
- SourceFile->FileBufferPtr++;\r
- Start = Ptr = SourceFile->FileBufferPtr;\r
- PreviousBackslash = FALSE;\r
- while (!EndOfFile (SourceFile)) {\r
- if ((SourceFile->FileBufferPtr[0] == T_CHAR_DOUBLE_QUOTE) && (!PreviousBackslash)) {\r
- break;\r
- } else if (SourceFile->FileBufferPtr[0] == T_CHAR_CR) {\r
- Warning (SourceFile->FileName, SourceFile->LineNum, 0, "carriage return found in quoted string", "%S", Start);\r
- PreviousBackslash = FALSE;\r
- } else if (SourceFile->FileBufferPtr[0] == T_CHAR_BACKSLASH) {\r
- PreviousBackslash = TRUE;\r
- } else {\r
- PreviousBackslash = FALSE;\r
- }\r
-\r
- SourceFile->FileBufferPtr++;\r
- Len++;\r
- }\r
-\r
- if (SourceFile->FileBufferPtr[0] != T_CHAR_DOUBLE_QUOTE) {\r
- Warning (SourceFile->FileName, SourceFile->LineNum, 0, "missing closing quote on string", "%S", Start);\r
- } else {\r
- SourceFile->FileBufferPtr++;\r
- }\r
- //\r
- // Now allocate memory for the string and save it off\r
- //\r
- String = (T_CHAR *) malloc ((Len + 1) * sizeof (T_CHAR));\r
- if (String == NULL) {\r
- Error (NULL, 0, 0, "memory allocation failed", NULL);\r
- return NULL;\r
- }\r
- //\r
- // Copy the string from the file buffer to the local copy.\r
- // We do no reformatting of it whatsoever at this point.\r
- //\r
- Ptr = String;\r
- while (Len > 0) {\r
- *Ptr = *Start;\r
- Start++;\r
- Ptr++;\r
- Len--;\r
- }\r
-\r
- *Ptr = 0;\r
- return String;\r
-}\r
-#endif\r
-static\r
-BOOLEAN\r
-EndOfFile (\r
- SOURCE_FILE *SourceFile\r
- )\r
-{\r
- //\r
- // The file buffer pointer will typically get updated before the End-of-file flag in the\r
- // source file structure, so check it first.\r
- //\r
- if (SourceFile->FileBufferPtr >= SourceFile->FileBuffer + SourceFile->FileSize / sizeof (T_CHAR)) {\r
- SourceFile->EndOfFile = TRUE;\r
- return TRUE;\r
- }\r
-\r
- if (SourceFile->EndOfFile) {\r
- return TRUE;\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-#if 0\r
-static\r
-void\r
-ProcessTokenInclude (\r
- SOURCE_FILE *SourceFile\r
- )\r
-{\r
- INT8 IncludeFileName[MAX_PATH];\r
- INT8 *To;\r
- UINT32 Len;\r
- BOOLEAN ReportedError;\r
- SOURCE_FILE IncludedSourceFile;\r
-\r
- ReportedError = FALSE;\r
- if (SkipWhiteSpace (SourceFile) == 0) {\r
- Warning (SourceFile->FileName, SourceFile->LineNum, 0, "expected whitespace following #include keyword", NULL);\r
- }\r
- //\r
- // Should be quoted file name\r
- //\r
- if (SourceFile->FileBufferPtr[0] != T_CHAR_DOUBLE_QUOTE) {\r
- Error (SourceFile->FileName, SourceFile->LineNum, 0, "expected quoted include file name", NULL);\r
- goto FailDone;\r
- }\r
-\r
- SourceFile->FileBufferPtr++;\r
- //\r
- // Copy the filename as ascii to our local string\r
- //\r
- To = IncludeFileName;\r
- Len = 0;\r
- while (!EndOfFile (SourceFile)) {\r
- if ((SourceFile->FileBufferPtr[0] == T_CHAR_CR) || (SourceFile->FileBufferPtr[0] == T_CHAR_LF)) {\r
- Error (SourceFile->FileName, SourceFile->LineNum, 0, "end-of-line found in quoted include file name", NULL);\r
- goto FailDone;\r
- }\r
-\r
- if (SourceFile->FileBufferPtr[0] == T_CHAR_DOUBLE_QUOTE) {\r
- SourceFile->FileBufferPtr++;\r
- break;\r
- }\r
- //\r
- // If too long, then report the error once and process until the closing quote\r
- //\r
- Len++;\r
- if (!ReportedError && (Len >= sizeof (IncludeFileName))) {\r
- Error (SourceFile->FileName, SourceFile->LineNum, 0, "length of include file name exceeds limit", NULL);\r
- ReportedError = TRUE;\r
- }\r
-\r
- if (!ReportedError) {\r
- //\r
- // *To = UNICODE_TO_ASCII(SourceFile->FileBufferPtr[0]);\r
- //\r
- *To = (T_CHAR) SourceFile->FileBufferPtr[0];\r
- To++;\r
- }\r
-\r
- SourceFile->FileBufferPtr++;\r
- }\r
-\r
- if (!ReportedError) {\r
- *To = 0;\r
- memset ((char *) &IncludedSourceFile, 0, sizeof (SOURCE_FILE));\r
- strcpy (IncludedSourceFile.FileName, IncludeFileName);\r
- //\r
- // IncludedSourceFile.ControlCharacter = DEFAULT_CONTROL_CHARACTER;\r
- //\r
- ProcessIncludeFile (&IncludedSourceFile, SourceFile);\r
- //\r
- // printf ("including file '%s'\n", IncludeFileName);\r
- //\r
- }\r
-\r
- return ;\r
-FailDone:\r
- //\r
- // Error recovery -- skip to next #\r
- //\r
- SourceFile->SkipToHash = TRUE;\r
-}\r
-#endif\r
-static\r
-BOOLEAN\r
-IsWhiteSpace (\r
- SOURCE_FILE *SourceFile\r
- )\r
-{\r
- switch (*SourceFile->FileBufferPtr) {\r
- case T_CHAR_NULL:\r
- case T_CHAR_CR:\r
- case T_CHAR_SPACE:\r
- case T_CHAR_TAB:\r
- case T_CHAR_LF:\r
- return TRUE;\r
-\r
- default:\r
- return FALSE;\r
- }\r
-}\r
-\r
-UINT32\r
-SkipWhiteSpace (\r
- SOURCE_FILE *SourceFile\r
- )\r
-{\r
- UINT32 Count;\r
-\r
- Count = 0;\r
- while (!EndOfFile (SourceFile)) {\r
- Count++;\r
- switch (*SourceFile->FileBufferPtr) {\r
- case T_CHAR_NULL:\r
- case T_CHAR_CR:\r
- case T_CHAR_SPACE:\r
- case T_CHAR_TAB:\r
- SourceFile->FileBufferPtr++;\r
- break;\r
-\r
- case T_CHAR_LF:\r
- SourceFile->FileBufferPtr++;\r
- SourceFile->LineNum++;\r
- if (mGlobals.Verbose) {\r
- printf ("%d: %S\n", SourceFile->LineNum, SourceFile->FileBufferPtr);\r
- }\r
- break;\r
-\r
- default:\r
- return Count - 1;\r
- }\r
- }\r
- //\r
- // Some tokens require trailing whitespace. If we're at the end of the\r
- // file, then we count that as well.\r
- //\r
- if ((Count == 0) && (EndOfFile (SourceFile))) {\r
- Count++;\r
- }\r
-\r
- return Count;\r
-}\r
-\r
-static\r
-UINT32\r
-t_strcmp (\r
- T_CHAR *Buffer,\r
- T_CHAR *Str\r
- )\r
-{\r
- UINT32 Len;\r
-\r
- Len = 0;\r
- while (*Str == *Buffer) {\r
- Buffer++;\r
- Str++;\r
- Len++;\r
- }\r
-\r
- if (*Str) {\r
- return 0;\r
- }\r
-\r
- return Len;\r
-}\r
-\r
-static\r
-UINT32\r
-t_strlen (\r
- T_CHAR *Str\r
- )\r
-{\r
- UINT32 Len;\r
- Len = 0;\r
- while (*Str) {\r
- Len++;\r
- Str++;\r
- }\r
-\r
- return Len;\r
-}\r
-\r
-static\r
-UINT32\r
-t_strncmp (\r
- T_CHAR *Str1,\r
- T_CHAR *Str2,\r
- UINT32 Len\r
- )\r
-{\r
- while (Len > 0) {\r
- if (*Str1 != *Str2) {\r
- return Len;\r
- }\r
-\r
- Len--;\r
- Str1++;\r
- Str2++;\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-static\r
-T_CHAR *\r
-t_strcpy (\r
- T_CHAR *Dest,\r
- T_CHAR *Src\r
- )\r
-{\r
- T_CHAR *SaveDest;\r
- SaveDest = Dest;\r
- while (*Src) {\r
- *Dest = *Src;\r
- Dest++;\r
- Src++;\r
- }\r
-\r
- *Dest = 0;\r
- return SaveDest;\r
-}\r
-\r
-#if 0\r
-static\r
-BOOLEAN\r
-IsValidIdentifierChar (\r
- INT8 Char,\r
- BOOLEAN FirstChar\r
- )\r
-{\r
- //\r
- // If it's the first character of an identifier, then\r
- // it must be one of [A-Za-z_].\r
- //\r
- if (FirstChar) {\r
- if (isalpha (Char) || (Char == '_')) {\r
- return TRUE;\r
- }\r
- } else {\r
- //\r
- // If it's not the first character, then it can\r
- // be one of [A-Za-z_0-9]\r
- //\r
- if (isalnum (Char) || (Char == '_')) {\r
- return TRUE;\r
- }\r
- }\r
-\r
- return FALSE;\r
-}\r
-#endif\r
-static\r
-void\r
-RewindFile (\r
- SOURCE_FILE *SourceFile\r
- )\r
-{\r
- SourceFile->LineNum = 1;\r
- SourceFile->FileBufferPtr = SourceFile->FileBuffer;\r
- SourceFile->EndOfFile = 0;\r
-}\r
-\r
-#if 0\r
-static\r
-BOOLEAN\r
-SkipTo (\r
- SOURCE_FILE *SourceFile,\r
- T_CHAR TChar,\r
- BOOLEAN StopAfterNewline\r
- )\r
-{\r
- while (!EndOfFile (SourceFile)) {\r
- //\r
- // Check for the character of interest\r
- //\r
- if (SourceFile->FileBufferPtr[0] == TChar) {\r
- return TRUE;\r
- } else {\r
- if (SourceFile->FileBufferPtr[0] == T_CHAR_LF) {\r
- SourceFile->LineNum++;\r
- if (StopAfterNewline) {\r
- SourceFile->FileBufferPtr++;\r
- if (SourceFile->FileBufferPtr[0] == 0) {\r
- SourceFile->FileBufferPtr++;\r
- }\r
-\r
- return FALSE;\r
- }\r
- }\r
-\r
- SourceFile->FileBufferPtr++;\r
- }\r
- }\r
-\r
- return FALSE;\r
-}\r
-#endif\r
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