/* */
/* */
/* */
-/* (C) 1998-2007 Ullrich von Bassewitz */
-/* Roemerstrasse 52 */
-/* D-70794 Filderstadt */
-/* EMail: uz@cc65.org */
+/* (C) 1998-2011, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
-enum Token Tok = TOK_NONE; /* Current token */
-int WS; /* Flag: Whitespace before token */
-long IVal; /* Integer token attribute */
-char SVal[MAX_STR_LEN+1]; /* String token attribute */
-
-FilePos CurPos = { 0, 0, 0 }; /* Name and position in current file */
-
-
+/* Current input token incl. attributes */
+Token CurTok = STATIC_TOKEN_INITIALIZER;
/* Struct to handle include files. */
typedef struct InputFile InputFile;
struct InputFile {
FILE* F; /* Input file descriptor */
FilePos Pos; /* Position in file */
- enum Token Tok; /* Last token */
+ token_t Tok; /* Last token */
int C; /* Last character */
char Line[256]; /* The current input line */
+ int IncSearchPath; /* True if we've added a search path */
+ int BinSearchPath; /* True if we've added a search path */
InputFile* Next; /* Linked list of input files */
};
char* Text; /* Pointer to the text data */
const char* Pos; /* Pointer to current position */
int Malloced; /* Memory was malloced */
- enum Token Tok; /* Last token */
+ token_t Tok; /* Last token */
int C; /* Last character */
InputData* Next; /* Linked list of input data */
};
/* Input source: Either file or data */
struct CharSource {
CharSource* Next; /* Linked list of char sources */
- enum Token Tok; /* Last token */
+ token_t Tok; /* Last token */
int C; /* Last character */
const CharSourceFunctions* Func; /* Pointer to function table */
union {
/* List of dot keywords with the corresponding tokens */
struct DotKeyword {
const char* Key; /* MUST be first field */
- enum Token Tok;
+ token_t Tok;
} DotKeywords [] = {
{ ".A16", TOK_A16 },
{ ".A8", TOK_A8 },
{ ".ASSERT", TOK_ASSERT },
{ ".AUTOIMPORT", TOK_AUTOIMPORT },
{ ".BANKBYTE", TOK_BANKBYTE },
+ { ".BANKBYTES", TOK_BANKBYTES },
{ ".BITAND", TOK_AND },
{ ".BITNOT", TOK_NOT },
{ ".BITOR", TOK_OR },
{ ".DEF", TOK_DEFINED },
{ ".DEFINE", TOK_DEFINE },
{ ".DEFINED", TOK_DEFINED },
+ { ".DELMAC", TOK_DELMAC },
+ { ".DELMACRO", TOK_DELMAC },
{ ".DESTRUCTOR", TOK_DESTRUCTOR },
{ ".DWORD", TOK_DWORD },
{ ".ELSE", TOK_ELSE },
{ ".EXPORT", TOK_EXPORT },
{ ".EXPORTZP", TOK_EXPORTZP },
{ ".FARADDR", TOK_FARADDR },
+ { ".FATAL", TOK_FATAL },
{ ".FEATURE", TOK_FEATURE },
{ ".FILEOPT", TOK_FILEOPT },
{ ".FOPT", TOK_FILEOPT },
{ ".GLOBAL", TOK_GLOBAL },
{ ".GLOBALZP", TOK_GLOBALZP },
{ ".HIBYTE", TOK_HIBYTE },
+ { ".HIBYTES", TOK_HIBYTES },
{ ".HIWORD", TOK_HIWORD },
{ ".I16", TOK_I16 },
{ ".I8", TOK_I8 },
{ ".LIST", TOK_LIST },
{ ".LISTBYTES", TOK_LISTBYTES },
{ ".LOBYTE", TOK_LOBYTE },
+ { ".LOBYTES", TOK_LOBYTES },
{ ".LOCAL", TOK_LOCAL },
{ ".LOCALCHAR", TOK_LOCALCHAR },
{ ".LOWORD", TOK_LOWORD },
{ ".MACPACK", TOK_MACPACK },
{ ".MACRO", TOK_MACRO },
{ ".MATCH", TOK_MATCH },
+ { ".MAX", TOK_MAX },
{ ".MID", TOK_MID },
+ { ".MIN", TOK_MIN },
{ ".MOD", TOK_MOD },
{ ".NOT", TOK_BOOLNOT },
{ ".NULL", TOK_NULL },
{ ".PAGELENGTH", TOK_PAGELENGTH },
{ ".PARAMCOUNT", TOK_PARAMCOUNT },
{ ".PC02", TOK_PC02 },
+ { ".POPCPU", TOK_POPCPU },
{ ".POPSEG", TOK_POPSEG },
{ ".PROC", TOK_PROC },
{ ".PSC02", TOK_PSC02 },
+ { ".PUSHCPU", TOK_PUSHCPU },
{ ".PUSHSEG", TOK_PUSHSEG },
{ ".REF", TOK_REFERENCED },
{ ".REFERENCED", TOK_REFERENCED },
{ ".SEGMENT", TOK_SEGMENT },
{ ".SET", TOK_SET },
{ ".SETCPU", TOK_SETCPU },
- { ".SHL", TOK_SHL },
- { ".SHR", TOK_SHR },
+ { ".SHL", TOK_SHL },
+ { ".SHR", TOK_SHR },
{ ".SIZEOF", TOK_SIZEOF },
{ ".SMART", TOK_SMART },
{ ".SPRINTF", TOK_SPRINTF },
{ ".TAG", TOK_TAG },
{ ".TCOUNT", TOK_TCOUNT },
{ ".TIME", TOK_TIME },
+ { ".UNDEF", TOK_UNDEF },
+ { ".UNDEFINE", TOK_UNDEF },
{ ".UNION", TOK_UNION },
{ ".VERSION", TOK_VERSION },
{ ".WARNING", TOK_WARNING },
/* Initialize a new input source and start to use it. */
{
/* Remember the current input char and token */
- S->Tok = Tok;
+ S->Tok = CurTok.Tok;
S->C = C;
/* Use the new input source */
/* Setup the next token so it will be skipped on the next call to
* NextRawTok().
*/
- Tok = TOK_SEP;
+ CurTok.Tok = TOK_SEP;
}
Source->Func->Done (Source);
/* Restore the old token */
- Tok = Source->Tok;
+ CurTok.Tok = Source->Tok;
C = Source->C;
/* Remember the last stacked input source */
static void IFMarkStart (CharSource* S)
/* Mark the start of the next token */
{
- CurPos = S->V.File.Pos;
+ CurTok.Pos = S->V.File.Pos;
}
*/
CheckOpenIfs ();
+ /* If we've added search paths for this file, remove them */
+ if (S->V.File.IncSearchPath) {
+ PopSearchPath (IncSearchPath);
+ }
+ if (S->V.File.BinSearchPath) {
+ PopSearchPath (BinSearchPath);
+ }
+
/* Close the input file and decrement the file count. We will ignore
* errors here, since we were just reading from the file.
*/
-void NewInputFile (const char* Name)
-/* Open a new input file */
+int NewInputFile (const char* Name)
+/* Open a new input file. Returns true if the file could be successfully opened
+ * and false otherwise.
+ */
{
- char* PathName = 0;
-
- /* First try to open the file */
- FILE* F = fopen (Name, "r");
- if (F == 0) {
+ int RetCode = 0; /* Return code. Assume an error. */
+ char* PathName = 0;
+ FILE* F;
+ struct stat Buf;
+ StrBuf NameBuf; /* No need to initialize */
+ StrBuf Path = AUTO_STRBUF_INITIALIZER;
+ unsigned FileIdx;
+ CharSource* S;
- /* Error (fatal error if this is the main file) */
- if (FCount == 0) {
- Fatal ("Cannot open input file `%s': %s", Name, strerror (errno));
- }
+ /* If this is the main file, just try to open it. If it's an include file,
+ * search for it using the include path list.
+ */
+ if (FCount == 0) {
+ /* Main file */
+ F = fopen (Name, "r");
+ if (F == 0) {
+ Fatal ("Cannot open input file `%s': %s", Name, strerror (errno));
+ }
+ } else {
/* We are on include level. Search for the file in the include
- * directories.
- */
- PathName = FindInclude (Name);
+ * directories.
+ */
+ PathName = SearchFile (IncSearchPath, Name);
if (PathName == 0 || (F = fopen (PathName, "r")) == 0) {
- /* Not found or cannot open, print an error and bail out */
- Error ("Cannot open include file `%s': %s", Name, strerror (errno));
- }
+ /* Not found or cannot open, print an error and bail out */
+ Error ("Cannot open include file `%s': %s", Name, strerror (errno));
+ goto ExitPoint;
+ }
/* Use the path name from now on */
Name = PathName;
}
- /* check again if we do now have an open file */
- if (F != 0) {
-
- unsigned FileIdx;
- CharSource* S;
-
- /* Stat the file and remember the values. There a race condition here,
- * since we cannot use fileno() (non standard identifier in standard
- * header file), and therefore not fstat. When using stat with the
- * file name, there's a risk that the file was deleted and recreated
- * while it was open. Since mtime and size are only used to check
- * if a file has changed in the debugger, we will ignore this problem
- * here.
- */
- struct stat Buf;
- if (stat (Name, &Buf) != 0) {
- Fatal ("Cannot stat input file `%s': %s", Name, strerror (errno));
- }
+ /* Stat the file and remember the values. There a race condition here,
+ * since we cannot use fileno() (non standard identifier in standard
+ * header file), and therefore not fstat. When using stat with the
+ * file name, there's a risk that the file was deleted and recreated
+ * while it was open. Since mtime and size are only used to check
+ * if a file has changed in the debugger, we will ignore this problem
+ * here.
+ */
+ if (stat (Name, &Buf) != 0) {
+ Fatal ("Cannot stat input file `%s': %s", Name, strerror (errno));
+ }
- /* Add the file to the input file table and remember the index */
- FileIdx = AddFile (Name, Buf.st_size, Buf.st_mtime);
+ /* Add the file to the input file table and remember the index */
+ FileIdx = AddFile (SB_InitFromString (&NameBuf, Name),
+ (FCount == 0)? FT_MAIN : FT_INCLUDE,
+ Buf.st_size, Buf.st_mtime);
- /* Create a new input source variable and initialize it */
- S = xmalloc (sizeof (*S));
- S->Func = &IFFunc;
- S->V.File.F = F;
- S->V.File.Pos.Line = 0;
- S->V.File.Pos.Col = 0;
- S->V.File.Pos.Name = FileIdx;
- S->V.File.Line[0] = '\0';
+ /* Create a new input source variable and initialize it */
+ S = xmalloc (sizeof (*S));
+ S->Func = &IFFunc;
+ S->V.File.F = F;
+ S->V.File.Pos.Line = 0;
+ S->V.File.Pos.Col = 0;
+ S->V.File.Pos.Name = FileIdx;
+ S->V.File.Line[0] = '\0';
+
+ /* Push the path for this file onto the include search lists */
+ SB_CopyBuf (&Path, Name, FindName (Name) - Name);
+ SB_Terminate (&Path);
+ S->V.File.IncSearchPath = PushSearchPath (IncSearchPath, SB_GetConstBuf (&Path));
+ S->V.File.BinSearchPath = PushSearchPath (BinSearchPath, SB_GetConstBuf (&Path));
+ SB_Done (&Path);
+
+ /* Count active input files */
+ ++FCount;
- /* Count active input files */
- ++FCount;
+ /* Use this input source */
+ UseCharSource (S);
- /* Use this input source */
- UseCharSource (S);
- }
+ /* File successfully opened */
+ RetCode = 1;
+ExitPoint:
/* Free an allocated name buffer */
xfree (PathName);
+
+ /* Return the success code */
+ return RetCode;
}
void LocaseSVal (void)
/* Make SVal lower case */
{
- unsigned I = 0;
- while (SVal [I]) {
- SVal [I] = tolower (SVal [I]);
- ++I;
- }
+ SB_ToLower (&CurTok.SVal);
}
void UpcaseSVal (void)
/* Make SVal upper case */
{
- unsigned I = 0;
- while (SVal [I]) {
- SVal [I] = toupper (SVal [I]);
- ++I;
- }
+ SB_ToUpper (&CurTok.SVal);
}
-static unsigned char FindDotKeyword (void)
+static token_t FindDotKeyword (void)
/* Find the dot keyword in SVal. Return the corresponding token if found,
* return TOK_NONE if not found.
*/
{
- static const struct DotKeyword K = { SVal, 0 };
+ struct DotKeyword K;
struct DotKeyword* R;
+ /* Initialize K */
+ K.Key = SB_GetConstBuf (&CurTok.SVal);
+ K.Tok = 0;
+
/* If we aren't in ignore case mode, we have to uppercase the keyword */
if (!IgnoreCase) {
UpcaseSVal ();
/* Search for the keyword */
R = bsearch (&K, DotKeywords, sizeof (DotKeywords) / sizeof (DotKeywords [0]),
- sizeof (DotKeywords [0]), CmpDotKeyword);
+ sizeof (DotKeywords [0]), CmpDotKeyword);
if (R != 0) {
return R->Tok;
} else {
-static void ReadIdent (unsigned Index)
+static void ReadIdent (void)
/* Read an identifier from the current input position into Ident. Filling SVal
- * starts at Index with the current character in C. It is assumed that any
- * characters already filled in are ok, and the character in C is checked.
+ * starts at the current position with the next character in C. It is assumed
+ * that any characters already filled in are ok, and the character in C is
+ * checked.
*/
{
/* Read the identifier */
do {
- if (Index < MAX_STR_LEN) {
- SVal [Index++] = C;
- }
- NextChar ();
+ SB_AppendChar (&CurTok.SVal, C);
+ NextChar ();
} while (IsIdChar (C));
- SVal [Index] = '\0';
+ SB_Terminate (&CurTok.SVal);
/* If we should ignore case, convert the identifier to upper case */
if (IgnoreCase) {
-static unsigned ReadStringConst (int StringTerm)
-/* Read a string constant into SVal. Check for maximum string length and all
- * other stuff. The length of the string is returned.
- */
+static void ReadStringConst (int StringTerm)
+/* Read a string constant into SVal. */
{
- unsigned I;
-
/* Skip the leading string terminator */
NextChar ();
/* Read the string */
- I = 0;
while (1) {
if (C == StringTerm) {
break;
break;
}
- /* Check for string length, print an error message once */
- if (I == MAX_STR_LEN) {
- Error ("Maximum string size exceeded");
- } else if (I < MAX_STR_LEN) {
- SVal [I] = C;
- }
- ++I;
+ /* Append the char to the string */
+ SB_AppendChar (&CurTok.SVal, C);
/* Skip the character */
NextChar ();
NextChar ();
/* Terminate the string */
- if (I >= MAX_STR_LEN) {
- I = MAX_STR_LEN;
- }
- SVal [I] = '\0';
-
- /* Return the length of the string */
- return I;
+ SB_Terminate (&CurTok.SVal);
}
-static int Sweet16Reg (const char* Ident)
+static int Sweet16Reg (const StrBuf* Id)
/* Check if the given identifier is a sweet16 register. Return -1 if this is
* not the case, return the register number otherwise.
*/
unsigned RegNum;
char Check;
- if (Ident[0] != 'r' && Ident[0] != 'R') {
+ if (SB_GetLen (Id) < 2) {
+ return -1;
+ }
+ if (toupper (SB_AtUnchecked (Id, 0)) != 'R') {
return -1;
}
- if (!IsDigit (Ident[1])) {
+ if (!IsDigit (SB_AtUnchecked (Id, 1))) {
return -1;
}
- if (sscanf (Ident+1, "%u%c", &RegNum, &Check) != 1 || RegNum > 15) {
+ if (sscanf (SB_GetConstBuf (Id)+1, "%u%c", &RegNum, &Check) != 1 || RegNum > 15) {
/* Invalid register */
return -1;
}
{
/* If we've a forced end of assembly, don't read further */
if (ForcedEnd) {
- Tok = TOK_EOF;
+ CurTok.Tok = TOK_EOF;
return;
}
Restart:
/* Check if we have tokens from another input source */
if (InputFromStack ()) {
- return;
+ if (CurTok.Tok == TOK_IDENT && IsDefine (&CurTok.SVal)) {
+ /* This is a define style macro - expand it */
+ MacExpandStart ();
+ goto Restart;
+ }
+ return;
}
Again:
/* Skip whitespace, remember if we had some */
- if ((WS = IsBlank (C)) != 0) {
+ if ((CurTok.WS = IsBlank (C)) != 0) {
do {
NextChar ();
} while (IsBlank (C));
/* Mark the file position of the next token */
Source->Func->MarkStart (Source);
+ /* Clear the string attribute */
+ SB_Clear (&CurTok.SVal);
+
+ /* Generate line info for the current token */
+ GenLineInfo (LI_SLOT_ASM, &CurTok.Pos);
+
/* Hex number or PC symbol? */
if (C == '$') {
NextChar ();
/* Hex digit must follow or DollarIsPC must be enabled */
if (!IsXDigit (C)) {
if (DollarIsPC) {
- Tok = TOK_PC;
+ CurTok.Tok = TOK_PC;
return;
} else {
Error ("Hexadecimal digit expected");
}
}
- /* Read the number */
- IVal = 0;
+ /* Read the number */
+ CurTok.IVal = 0;
while (IsXDigit (C)) {
- if (IVal & 0xF0000000) {
+ if (CurTok.IVal & 0xF0000000) {
Error ("Overflow in hexadecimal number");
- IVal = 0;
+ CurTok.IVal = 0;
}
- IVal = (IVal << 4) + DigitVal (C);
+ CurTok.IVal = (CurTok.IVal << 4) + DigitVal (C);
NextChar ();
}
/* This is an integer constant */
- Tok = TOK_INTCON;
+ CurTok.Tok = TOK_INTCON;
return;
}
Error ("Binary digit expected");
}
- /* Read the number */
- IVal = 0;
+ /* Read the number */
+ CurTok.IVal = 0;
while (IsBDigit (C)) {
- if (IVal & 0x80000000) {
- Error ("Overflow in binary number");
- IVal = 0;
+ if (CurTok.IVal & 0x80000000) {
+ Error ("Overflow in binary number");
+ CurTok.IVal = 0;
}
- IVal = (IVal << 1) + DigitVal (C);
+ CurTok.IVal = (CurTok.IVal << 1) + DigitVal (C);
NextChar ();
}
/* This is an integer constant */
- Tok = TOK_INTCON;
+ CurTok.Tok = TOK_INTCON;
return;
}
}
/* Convert the number using the given base */
- IVal = 0;
+ CurTok.IVal = 0;
for (I = 0; I < Digits; ++I) {
- if (IVal > Max) {
+ if (CurTok.IVal > Max) {
Error ("Number out of range");
- IVal = 0;
+ CurTok.IVal = 0;
break;
}
DVal = DigitVal (Buf[I]);
if (DVal > Base) {
Error ("Invalid digits in number");
- IVal = 0;
+ CurTok.IVal = 0;
break;
}
- IVal = (IVal * Base) + DVal;
+ CurTok.IVal = (CurTok.IVal * Base) + DVal;
}
/* This is an integer constant */
- Tok = TOK_INTCON;
- return;
+ CurTok.Tok = TOK_INTCON;
+ return;
}
/* Control command? */
if (!IsIdStart (C)) {
/* Just a dot */
- Tok = TOK_DOT;
+ CurTok.Tok = TOK_DOT;
} else {
/* Read the remainder of the identifier */
- SVal[0] = '.';
- ReadIdent (1);
+ SB_AppendChar (&CurTok.SVal, '.');
+ ReadIdent ();
/* Dot keyword, search for it */
- Tok = FindDotKeyword ();
- if (Tok == TOK_NONE) {
+ CurTok.Tok = FindDotKeyword ();
+ if (CurTok.Tok == TOK_NONE) {
- /* Not found */
+ /* Not found */
if (!LeadingDotInIdents) {
/* Invalid pseudo instruction */
- Error ("`%s' is not a recognized control command", SVal);
+ Error ("`%m%p' is not a recognized control command", &CurTok.SVal);
goto Again;
}
/* An identifier with a dot. Check if it's a define style
* macro.
*/
- if (IsDefine (SVal)) {
+ if (IsDefine (&CurTok.SVal)) {
/* This is a define style macro - expand it */
MacExpandStart ();
goto Restart;
}
/* Just an identifier with a dot */
- Tok = TOK_IDENT;
+ CurTok.Tok = TOK_IDENT;
}
}
*/
if (CPU == CPU_SWEET16 && C == '@') {
NextChar ();
- Tok = TOK_AT;
+ CurTok.Tok = TOK_AT;
return;
}
/* Local symbol? */
if (C == LocalStart) {
- /* Read the identifier */
- ReadIdent (0);
+ /* Read the identifier. */
+ ReadIdent ();
/* Start character alone is not enough */
- if (SVal [1] == '\0') {
+ if (SB_GetLen (&CurTok.SVal) == 1) {
Error ("Invalid cheap local symbol");
goto Again;
}
/* A local identifier */
- Tok = TOK_LOCAL_IDENT;
+ CurTok.Tok = TOK_LOCAL_IDENT;
return;
}
if (IsIdStart (C)) {
/* Read the identifier */
- ReadIdent (0);
+ ReadIdent ();
/* Check for special names. Bail out if we have identified the type of
* the token. Go on if the token is an identifier.
*/
- if (SVal[1] == '\0') {
- switch (toupper (SVal [0])) {
+ if (SB_GetLen (&CurTok.SVal) == 1) {
+ switch (toupper (SB_AtUnchecked (&CurTok.SVal, 0))) {
- case 'A':
+ case 'A':
if (C == ':') {
NextChar ();
- Tok = TOK_OVERRIDE_ABS;
+ CurTok.Tok = TOK_OVERRIDE_ABS;
} else {
- Tok = TOK_A;
+ CurTok.Tok = TOK_A;
}
return;
case 'F':
if (C == ':') {
NextChar ();
- Tok = TOK_OVERRIDE_FAR;
+ CurTok.Tok = TOK_OVERRIDE_FAR;
return;
}
break;
case 'S':
- Tok = TOK_S;
- return;
+ if (CPU == CPU_65816) {
+ CurTok.Tok = TOK_S;
+ return;
+ }
+ break;
case 'X':
- Tok = TOK_X;
+ CurTok.Tok = TOK_X;
return;
case 'Y':
- Tok = TOK_Y;
+ CurTok.Tok = TOK_Y;
return;
case 'Z':
if (C == ':') {
NextChar ();
- Tok = TOK_OVERRIDE_ZP;
+ CurTok.Tok = TOK_OVERRIDE_ZP;
return;
}
break;
- default:
+ default:
break;
}
- } else if (CPU == CPU_SWEET16 && (IVal = Sweet16Reg (SVal)) >= 0) {
+ } else if (CPU == CPU_SWEET16 &&
+ (CurTok.IVal = Sweet16Reg (&CurTok.SVal)) >= 0) {
/* A sweet16 register number in sweet16 mode */
- Tok = TOK_REG;
+ CurTok.Tok = TOK_REG;
return;
}
/* Check for define style macro */
- if (IsDefine (SVal)) {
+ if (IsDefine (&CurTok.SVal)) {
/* Macro - expand it */
MacExpandStart ();
goto Restart;
} else {
/* An identifier */
- Tok = TOK_IDENT;
+ CurTok.Tok = TOK_IDENT;
}
return;
}
case '+':
NextChar ();
- Tok = TOK_PLUS;
+ CurTok.Tok = TOK_PLUS;
return;
case '-':
NextChar ();
- Tok = TOK_MINUS;
+ CurTok.Tok = TOK_MINUS;
return;
case '/':
NextChar ();
- Tok = TOK_DIV;
+ if (C != '*') {
+ CurTok.Tok = TOK_DIV;
+ } else if (CComments) {
+ /* Remember the position, then skip the '*' */
+ Collection LineInfos = STATIC_COLLECTION_INITIALIZER;
+ GetFullLineInfo (&LineInfos, 0);
+ NextChar ();
+ do {
+ while (C != '*') {
+ if (C == EOF) {
+ LIError (&LineInfos, "Unterminated comment");
+ DoneCollection (&LineInfos);
+ goto CharAgain;
+ }
+ NextChar ();
+ }
+ NextChar ();
+ } while (C != '/');
+ NextChar ();
+ DoneCollection (&LineInfos);
+ goto Again;
+ }
return;
case '*':
NextChar ();
- Tok = TOK_MUL;
+ CurTok.Tok = TOK_MUL;
return;
case '^':
NextChar ();
- Tok = TOK_XOR;
+ CurTok.Tok = TOK_XOR;
return;
case '&':
NextChar ();
if (C == '&') {
NextChar ();
- Tok = TOK_BOOLAND;
+ CurTok.Tok = TOK_BOOLAND;
} else {
- Tok = TOK_AND;
+ CurTok.Tok = TOK_AND;
}
return;
NextChar ();
if (C == '|') {
NextChar ();
- Tok = TOK_BOOLOR;
+ CurTok.Tok = TOK_BOOLOR;
} else {
- Tok = TOK_OR;
+ CurTok.Tok = TOK_OR;
}
return;
case ':':
NextChar ();
- switch (C) {
+ switch (C) {
case ':':
NextChar ();
- Tok = TOK_NAMESPACE;
+ CurTok.Tok = TOK_NAMESPACE;
break;
case '-':
- IVal = 0;
+ CurTok.IVal = 0;
do {
- --IVal;
- NextChar ();
+ --CurTok.IVal;
+ NextChar ();
} while (C == '-');
- Tok = TOK_ULABEL;
+ CurTok.Tok = TOK_ULABEL;
break;
case '+':
- IVal = 0;
+ CurTok.IVal = 0;
do {
- ++IVal;
+ ++CurTok.IVal;
NextChar ();
} while (C == '+');
- Tok = TOK_ULABEL;
+ CurTok.Tok = TOK_ULABEL;
break;
case '=':
NextChar ();
- Tok = TOK_ASSIGN;
+ CurTok.Tok = TOK_ASSIGN;
break;
default:
- Tok = TOK_COLON;
+ CurTok.Tok = TOK_COLON;
break;
}
return;
case ',':
NextChar ();
- Tok = TOK_COMMA;
+ CurTok.Tok = TOK_COMMA;
return;
case ';':
case '#':
NextChar ();
- Tok = TOK_HASH;
+ CurTok.Tok = TOK_HASH;
return;
case '(':
NextChar ();
- Tok = TOK_LPAREN;
+ CurTok.Tok = TOK_LPAREN;
return;
case ')':
NextChar ();
- Tok = TOK_RPAREN;
+ CurTok.Tok = TOK_RPAREN;
return;
case '[':
NextChar ();
- Tok = TOK_LBRACK;
+ CurTok.Tok = TOK_LBRACK;
return;
case ']':
NextChar ();
- Tok = TOK_RBRACK;
+ CurTok.Tok = TOK_RBRACK;
return;
case '{':
NextChar ();
- Tok = TOK_LCURLY;
+ CurTok.Tok = TOK_LCURLY;
return;
case '}':
NextChar ();
- Tok = TOK_RCURLY;
+ CurTok.Tok = TOK_RCURLY;
return;
case '<':
NextChar ();
if (C == '=') {
NextChar ();
- Tok = TOK_LE;
+ CurTok.Tok = TOK_LE;
} else if (C == '<') {
NextChar ();
- Tok = TOK_SHL;
+ CurTok.Tok = TOK_SHL;
} else if (C == '>') {
NextChar ();
- Tok = TOK_NE;
+ CurTok.Tok = TOK_NE;
} else {
- Tok = TOK_LT;
+ CurTok.Tok = TOK_LT;
}
return;
case '=':
- NextChar ();
- Tok = TOK_EQ;
+ NextChar ();
+ CurTok.Tok = TOK_EQ;
return;
case '!':
NextChar ();
- Tok = TOK_BOOLNOT;
+ CurTok.Tok = TOK_BOOLNOT;
return;
case '>':
NextChar ();
if (C == '=') {
NextChar ();
- Tok = TOK_GE;
+ CurTok.Tok = TOK_GE;
} else if (C == '>') {
NextChar ();
- Tok = TOK_SHR;
+ CurTok.Tok = TOK_SHR;
} else {
- Tok = TOK_GT;
+ CurTok.Tok = TOK_GT;
}
return;
case '~':
NextChar ();
- Tok = TOK_NOT;
- return;
+ CurTok.Tok = TOK_NOT;
+ return;
case '\'':
/* Hack: If we allow ' as terminating character for strings, read
* string later.
*/
if (LooseStringTerm) {
- if (ReadStringConst ('\'') == 1) {
- IVal = SVal[0];
- Tok = TOK_CHARCON;
+ ReadStringConst ('\'');
+ if (SB_GetLen (&CurTok.SVal) == 1) {
+ CurTok.IVal = SB_AtUnchecked (&CurTok.SVal, 0);
+ CurTok.Tok = TOK_CHARCON;
} else {
- Tok = TOK_STRCON;
+ CurTok.Tok = TOK_STRCON;
}
} else {
/* Always a character constant */
Error ("Illegal character constant");
goto CharAgain;
}
- IVal = C;
- Tok = TOK_CHARCON;
+ CurTok.IVal = C;
+ CurTok.Tok = TOK_CHARCON;
NextChar ();
if (C != '\'') {
if (!MissingCharTerm) {
case '\"':
ReadStringConst ('\"');
- Tok = TOK_STRCON;
+ CurTok.Tok = TOK_STRCON;
return;
case '\\':
/* Line continuation? */
if (LineCont) {
- NextChar ();
- if (C == '\n') {
+ NextChar ();
+ if (C == '\n') {
/* Handle as white space */
NextChar ();
C = ' ';
goto Again;
}
}
- break;
+ break;
case '\n':
NextChar ();
- Tok = TOK_SEP;
+ CurTok.Tok = TOK_SEP;
return;
case EOF:
DoneCharSource ();
goto Again;
} else {
- Tok = TOK_EOF;
+ CurTok.Tok = TOK_EOF;
}
return;
}
-int TokHasSVal (enum Token Tok)
-/* Return true if the given token has an attached SVal */
-{
- return (Tok == TOK_IDENT || TOK_LOCAL_IDENT || Tok == TOK_STRCON);
-}
-
-
-
-int TokHasIVal (enum Token Tok)
-/* Return true if the given token has an attached IVal */
-{
- return (Tok == TOK_INTCON || Tok == TOK_CHARCON || Tok == TOK_REG);
-}
-
-
-
int GetSubKey (const char** Keys, unsigned Count)
/* Search for a subkey in a table of keywords. The current token must be an
* identifier and all keys must be in upper case. The identifier will be
unsigned I;
/* Must have an identifier */
- PRECONDITION (Tok == TOK_IDENT);
+ PRECONDITION (CurTok.Tok == TOK_IDENT);
/* If we aren't in ignore case mode, we have to uppercase the identifier */
if (!IgnoreCase) {
/* Do a linear search (a binary search is not worth the effort) */
for (I = 0; I < Count; ++I) {
- if (strcmp (SVal, Keys [I]) == 0) {
+ if (SB_CompareStr (&CurTok.SVal, Keys [I]) == 0) {
/* Found it */
return I;
}
* error message and return ADDR_SIZE_DEFAULT.
*/
{
- static const char* Keys[] = {
- "DIRECT", "ZEROPAGE", "ZP",
- "ABSOLUTE", "ABS", "NEAR",
- "FAR",
- "LONG", "DWORD",
- };
+ unsigned char AddrSize;
/* Check for an identifier */
- if (Tok != TOK_IDENT) {
+ if (CurTok.Tok != TOK_IDENT) {
Error ("Address size specifier expected");
return ADDR_SIZE_DEFAULT;
}
- /* Search for the attribute */
- switch (GetSubKey (Keys, sizeof (Keys) / sizeof (Keys [0]))) {
- case 0:
- case 1:
- case 2: return ADDR_SIZE_ZP;
- case 3:
- case 4:
- case 5: return ADDR_SIZE_ABS;
- case 6: return ADDR_SIZE_FAR;
- case 7:
- case 8: return ADDR_SIZE_LONG;
- default:
- Error ("Address size specifier expected");
- return ADDR_SIZE_DEFAULT;
+ /* Convert the attribute */
+ AddrSize = AddrSizeFromStr (SB_GetConstBuf (&CurTok.SVal));
+ if (AddrSize == ADDR_SIZE_INVALID) {
+ Error ("Address size specifier expected");
+ AddrSize = ADDR_SIZE_DEFAULT;
}
+
+ /* Done */
+ return AddrSize;
}
+
projects / cc65 / blobdiff