int STR_Find(char *name)
{
int i;
for(i = 0; i < str_StringCount; i++)
{
if(strcmp(StringInfo[i].name, name) == 0)
{
return i;
}
}
// Add to list
if(str_StringCount == MAX_STRINGS)
{
ERR_Exit(ERR_TOO_MANY_STRINGS, YES, "Current maximum: %d",
MAX_STRINGS);
}
MS_Message(MSG_DEBUG, "Adding string %d:\n \"%s\"\n",
str_StringCount, name);
StringInfo[str_StringCount].name = MS_Alloc(strlen(name)+1,
ERR_OUT_OF_MEMORY);
strcpy(StringInfo[str_StringCount].name, name);
str_StringCount++;
return str_StringCount-1;
}
static void OpenDebugFile(char *name)
{
if((acs_DebugFile = fopen(name, "w")) == NULL)
{
ERR_Exit(ERR_CANT_OPEN_DBGFILE, NO, "File: \"%s\".", name);
}
}
static void Write(void *buffer, size_t size, int address)
{
if(address+size > BufferSize)
{
ERR_Exit(ERR_PCODE_BUFFER_OVERFLOW, NO, NULL);
}
memcpy(pc_Buffer+address, buffer, size);
}
static void Skip(size_t size)
{
if(pc_Address+size > BufferSize)
{
ERR_Exit(ERR_PCODE_BUFFER_OVERFLOW, NO, NULL);
}
pc_BufferPtr += size;
pc_Address += size;
}
static void Append(void *buffer, size_t size)
{
if(pc_Address+size > BufferSize)
{
ERR_Exit(ERR_PCODE_BUFFER_OVERFLOW, NO, NULL);
}
memcpy(pc_BufferPtr, buffer, size);
pc_BufferPtr += size;
pc_Address += size;
}
void PC_AddScript(int number, int argCount)
{
scriptInfo_t *script;
if(pc_ScriptCount == MAX_SCRIPT_COUNT)
{
ERR_Exit(ERR_TOO_MANY_SCRIPTS, YES, NULL);
}
script = &ScriptInfo[pc_ScriptCount];
script->number = number;
script->address = pc_Address;
script->argCount = argCount;
pc_ScriptCount++;
}
void PC_OpenObject(char *name, size_t size, int flags)
{
if(ObjectOpened == YES)
{
PC_CloseObject();
}
if(strlen(name) >= MAX_FILE_NAME_LENGTH)
{
ERR_Exit(ERR_FILE_NAME_TOO_LONG, NO, "File: \"%s\".", name);
}
strcpy(ObjectName, name);
pc_Buffer = MS_Alloc(size, ERR_ALLOC_PCODE_BUFFER);
pc_BufferPtr = pc_Buffer;
pc_Address = 0;
ObjectFlags = flags;
BufferSize = size;
pc_ScriptCount = 0;
ObjectOpened = YES;
PC_AppendString("ACS");
PC_SkipLong(); // Script table offset
}
void PC_CloseObject(void)
{
int i;
scriptInfo_t *info;
MS_Message(MSG_DEBUG, "---- PC_CloseObject ----\n");
STR_WriteStrings();
PC_WriteLong((U_LONG)pc_Address, 4);
PC_AppendLong((U_LONG)pc_ScriptCount);
for(i = 0; i < pc_ScriptCount; i++)
{
info = &ScriptInfo[i];
MS_Message(MSG_DEBUG, "Script %d, address = %d, arg count = %d\n",
info->number, info->address, info->argCount);
PC_AppendLong((U_LONG)info->number);
PC_AppendLong((U_LONG)info->address);
PC_AppendLong((U_LONG)info->argCount);
}
STR_WriteList();
if(MS_SaveFile(ObjectName, pc_Buffer, pc_Address) == FALSE)
{
ERR_Exit(ERR_SAVE_OBJECT_FAILED, NO, NULL);
}
}
tokenType_t TK_NextToken(void)
{
enum ImportModes prevMode;
boolean validToken;
if(AlreadyGot == TRUE)
{
int t = MasterSourcePos;
MasterSourcePos = PrevMasterSourcePos;
PrevMasterSourcePos = t;
AlreadyGot = FALSE;
return tk_Token;
}
tk_String = TokenStringBuffer;
validToken = NO;
PrevMasterSourcePos = MasterSourcePos;
do
{
while(Chr == ASCII_SPACE)
{
NextChr();
}
switch(ASCIIToChrCode[(byte)Chr])
{
case CHR_EOF:
tk_Token = TK_EOF;
break;
case CHR_LETTER:
ProcessLetterToken();
break;
case CHR_NUMBER:
ProcessNumberToken();
break;
case CHR_QUOTE:
ProcessQuoteToken();
break;
default:
ProcessSpecialToken();
break;
}
if(tk_Token == TK_STARTCOMMENT)
{
SkipComment();
}
else if(tk_Token == TK_CPPCOMMENT)
{
SkipCPPComment();
}
else if((tk_Token == TK_EOF) && (NestDepth > 0))
{
if (PopNestedSource(&prevMode))
{
ImportMode = prevMode;
if(!ExporterFlagged)
{
ERR_Exit(ERR_EXPORTER_NOT_FLAGGED, YES, NULL);
}
SY_ClearShared();
}
}
else
{
validToken = YES;
}
} while(validToken == NO);
return tk_Token;
}
void TK_Include(char *fileName)
{
char sourceName[MAX_FILE_NAME_LENGTH];
int size, i;
nestInfo_t *info;
boolean foundfile = FALSE;
MS_Message(MSG_DEBUG, "*Including %s\n", fileName);
if(NestDepth == MAX_NESTED_SOURCES)
{
ERR_Exit(ERR_INCL_NESTING_TOO_DEEP, YES, fileName);
}
info = &OpenFiles[NestDepth++];
info->name = tk_SourceName;
info->start = FileStart;
info->end = FileEnd;
info->position = FilePtr;
info->line = tk_Line;
info->incLineNumber = IncLineNumber;
info->lastChar = Chr;
info->imported = NO;
// Pascal 30/11/08
// Handle absolute paths
if(MS_IsPathAbsolute(fileName))
{
#if defined(_WIN32) || defined(__MSDOS__)
sourceName[0] = '\0';
if(MS_IsDirectoryDelimiter(fileName[0]))
{
// The source file is absolute for the drive, but does not
// specify a drive. Use the path for the current file to
// get the drive letter, if it has one.
if(IncludePaths[0][0] != '\0' && IncludePaths[0][1] == ':')
{
sourceName[0] = IncludePaths[0][0];
sourceName[1] = ':';
sourceName[2] = '\0';
}
}
strcat(sourceName, fileName);
#else
strcpy(sourceName, fileName);
#endif
foundfile = MS_FileExists(sourceName);
}
else
{
// Pascal 12/11/08
// Find the file in the include paths
for(i = 0; i < NumIncludePaths; i++)
{
strcpy(sourceName, IncludePaths[i]);
strcat(sourceName, fileName);
if(MS_FileExists(sourceName))
{
foundfile = TRUE;
break;
}
}
}
if(!foundfile)
{
ERR_ErrorAt(tk_SourceName, tk_Line);
ERR_Exit(ERR_CANT_FIND_INCLUDE, YES, fileName, tk_SourceName, tk_Line);
}
MS_Message(MSG_DEBUG, "*Include file found at %s\n", sourceName);
// Now change the first include path to the file directory
SetLocalIncludePath(sourceName);
tk_SourceName = AddFileName(sourceName);
size = MS_LoadFile(tk_SourceName, &FileStart);
FileEnd = FileStart+size;
FilePtr = FileStart;
tk_Line = 1;
IncLineNumber = FALSE;
tk_Token = TK_NONE;
AlreadyGot = FALSE;
BumpMasterSourceLine('x',TRUE); // dummy x
NextChr();
}
static void ProcessSpecialToken(void)
{
char c;
c = Chr;
NextChr();
switch(c)
{
case '+':
switch(Chr)
{
case '=':
tk_Token = TK_ADDASSIGN;
NextChr();
break;
case '+':
tk_Token = TK_INC;
NextChr();
break;
default:
tk_Token = TK_PLUS;
break;
}
break;
case '-':
switch(Chr)
{
case '=':
tk_Token = TK_SUBASSIGN;
NextChr();
break;
case '-':
tk_Token = TK_DEC;
NextChr();
break;
default:
tk_Token = TK_MINUS;
break;
}
break;
case '*':
switch(Chr)
{
case '=':
tk_Token = TK_MULASSIGN;
NextChr();
break;
case '/':
tk_Token = TK_ENDCOMMENT;
NextChr();
break;
default:
tk_Token = TK_ASTERISK;
break;
}
break;
case '/':
switch(Chr)
{
case '=':
tk_Token = TK_DIVASSIGN;
NextChr();
break;
case '/':
tk_Token = TK_CPPCOMMENT;
break;
case '*':
tk_Token = TK_STARTCOMMENT;
NextChr();
break;
default:
tk_Token = TK_SLASH;
break;
}
break;
case '%':
if(Chr == '=')
{
tk_Token = TK_MODASSIGN;
NextChr();
}
else
{
tk_Token = TK_PERCENT;
}
break;
case '=':
if(Chr == '=')
{
tk_Token = TK_EQ;
NextChr();
}
else
{
tk_Token = TK_ASSIGN;
}
break;
case '<':
if(Chr == '=')
{
tk_Token = TK_LE;
NextChr();
}
else if(Chr == '<')
{
NextChr();
if(Chr == '=')
{
tk_Token = TK_LSASSIGN;
NextChr();
}
else
{
tk_Token = TK_LSHIFT;
}
}
else
{
tk_Token = TK_LT;
}
break;
case '>':
if(Chr == '=')
{
tk_Token = TK_GE;
NextChr();
}
else if(Chr == '>')
{
NextChr();
if(Chr == '=')
{
tk_Token = TK_RSASSIGN;
NextChr();
}
else
{
tk_Token = TK_RSHIFT;
}
}
else
{
tk_Token = TK_GT;
}
break;
case '!':
if(Chr == '=')
{
tk_Token = TK_NE;
NextChr();
}
else
{
tk_Token = TK_NOT;
}
break;
case '&':
if(Chr == '&')
{
tk_Token = TK_ANDLOGICAL;
NextChr();
}
else if(Chr == '=')
{
tk_Token = TK_ANDASSIGN;
NextChr();
}
else
{
tk_Token = TK_ANDBITWISE;
}
break;
case '|':
if(Chr == '|')
{
tk_Token = TK_ORLOGICAL;
NextChr();
}
else if(Chr == '=')
{
tk_Token = TK_ORASSIGN;
NextChr();
}
else
{
tk_Token = TK_ORBITWISE;
}
break;
case '(':
tk_Token = TK_LPAREN;
break;
case ')':
tk_Token = TK_RPAREN;
break;
case '{':
tk_Token = TK_LBRACE;
break;
case '}':
tk_Token = TK_RBRACE;
break;
case '[':
tk_Token = TK_LBRACKET;
break;
case ']':
tk_Token = TK_RBRACKET;
break;
case ':':
tk_Token = TK_COLON;
break;
case ';':
tk_Token = TK_SEMICOLON;
break;
case ',':
tk_Token = TK_COMMA;
break;
case '.':
tk_Token = TK_PERIOD;
break;
case '#':
tk_Token = TK_NUMBERSIGN;
break;
case '^':
if(Chr == '=')
{
tk_Token = TK_EORASSIGN;
NextChr();
}
else
{
tk_Token = TK_EORBITWISE;
}
break;
case '~':
tk_Token = TK_TILDE;
break;
case '\'':
if(Chr == '\\')
{
NextChr();
switch(Chr)
{
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
tk_Number = OctalChar();
break;
case 'x': case 'X':
NextChr();
EvalHexConstant();
if(Chr != '\'')
{
ERR_Exit(ERR_BAD_CHARACTER_CONSTANT, YES, NULL);
}
NextChr();
break;
case 'a':
tk_Number = '\a';
break;
case 'b':
tk_Number = '\b';
break;
case 't':
tk_Number = '\t';
break;
case 'v':
tk_Number = '\v';
break;
case 'n':
tk_Number = '\n';
break;
case 'f':
tk_Number = '\f';
break;
case 'r':
tk_Number = '\r';
break;
case '\'':
case '\\':
tk_Number = Chr;
break;
default:
ERR_Exit(ERR_BAD_CHARACTER_CONSTANT, YES, NULL);
}
tk_Token = TK_NUMBER;
}
else if(Chr == '\'')
{
ERR_Exit(ERR_BAD_CHARACTER_CONSTANT, YES, NULL);
}
else
{
tk_Number = Chr;
tk_Token = TK_NUMBER;
}
NextChr();
if(Chr != '\'')
{
ERR_Exit(ERR_BAD_CHARACTER_CONSTANT, YES, NULL);
}
NextChr();
break;
default:
ERR_Exit(ERR_BAD_CHARACTER, YES, NULL);
break;
}
}
