/* */
/* */
/* */
-/* (C) 1998-2003 Ullrich von Bassewitz */
-/* Römerstraße 52 */
-/* D-70794 Filderstadt */
-/* EMail: uz@cc65.org */
+/* (C) 1998-2009, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
#include "cmdline.h"
#include "mmodel.h"
#include "print.h"
+#include "strbuf.h"
#include "target.h"
#include "tgttrans.h"
#include "version.h"
#include "istack.h"
#include "lineinfo.h"
#include "listing.h"
+#include "macpack.h"
#include "macro.h"
#include "nexttok.h"
#include "objfile.h"
static void Usage (void)
/* Print usage information and exit */
{
- fprintf (stderr,
- "Usage: %s [options] file\n"
- "Short options:\n"
- " -D name[=value]\tDefine a symbol\n"
- " -I dir\t\tSet an include directory search path\n"
- " -U\t\t\tMark unresolved symbols as import\n"
- " -V\t\t\tPrint the assembler version\n"
- " -W n\t\t\tSet warning level n\n"
- " -g\t\t\tAdd debug info to object file\n"
- " -h\t\t\tHelp (this text)\n"
- " -i\t\t\tIgnore case of symbols\n"
- " -l\t\t\tCreate a listing if assembly was ok\n"
- " -mm model\t\tSet the memory model\n"
- " -o name\t\tName the output file\n"
- " -s\t\t\tEnable smart mode\n"
- " -t sys\t\tSet the target system\n"
- " -v\t\t\tIncrease verbosity\n"
- "\n"
- "Long options:\n"
- " --auto-import\t\tMark unresolved symbols as import\n"
- " --cpu type\t\tSet cpu type\n"
- " --debug-info\t\tAdd debug info to object file\n"
- " --feature name\tSet an emulation feature\n"
- " --help\t\tHelp (this text)\n"
- " --ignore-case\t\tIgnore case of symbols\n"
- " --include-dir dir\tSet an include directory search path\n"
- " --listing\t\tCreate a listing if assembly was ok\n"
- " --memory-model model\tSet the memory model\n"
- " --pagelength n\tSet the page length for the listing\n"
- " --smart\t\tEnable smart mode\n"
- " --target sys\t\tSet the target system\n"
- " --verbose\t\tIncrease verbosity\n"
- " --version\t\tPrint the assembler version\n",
- ProgName);
+ printf ("Usage: %s [options] file\n"
+ "Short options:\n"
+ " -D name[=value]\tDefine a symbol\n"
+ " -I dir\t\tSet an include directory search path\n"
+ " -U\t\t\tMark unresolved symbols as import\n"
+ " -V\t\t\tPrint the assembler version\n"
+ " -W n\t\t\tSet warning level n\n"
+ " -g\t\t\tAdd debug info to object file\n"
+ " -h\t\t\tHelp (this text)\n"
+ " -i\t\t\tIgnore case of symbols\n"
+ " -l\t\t\tCreate a listing if assembly was ok\n"
+ " -mm model\t\tSet the memory model\n"
+ " -o name\t\tName the output file\n"
+ " -s\t\t\tEnable smart mode\n"
+ " -t sys\t\tSet the target system\n"
+ " -v\t\t\tIncrease verbosity\n"
+ "\n"
+ "Long options:\n"
+ " --auto-import\t\tMark unresolved symbols as import\n"
+ " --cpu type\t\tSet cpu type\n"
+ " --debug-info\t\tAdd debug info to object file\n"
+ " --feature name\tSet an emulation feature\n"
+ " --forget-inc-paths\tForget include search paths\n"
+ " --help\t\tHelp (this text)\n"
+ " --ignore-case\t\tIgnore case of symbols\n"
+ " --include-dir dir\tSet an include directory search path\n"
+ " --listing\t\tCreate a listing if assembly was ok\n"
+ " --list-bytes n\tMaximum number of bytes per listing line\n"
+ " --macpack-dir dir\tSet a macro package directory\n"
+ " --memory-model model\tSet the memory model\n"
+ " --pagelength n\tSet the page length for the listing\n"
+ " --smart\t\tEnable smart mode\n"
+ " --target sys\t\tSet the target system\n"
+ " --verbose\t\tIncrease verbosity\n"
+ " --version\t\tPrint the assembler version\n",
+ ProgName);
}
static void SetOptions (void)
/* Set the option for the translator */
{
- char Buf [256];
+ StrBuf Buf = STATIC_STRBUF_INITIALIZER;
/* Set the translator */
- sprintf (Buf, "ca65 V%u.%u.%u", VER_MAJOR, VER_MINOR, VER_PATCH);
- OptTranslator (Buf);
+ SB_Printf (&Buf, "ca65 V%u.%u.%u", VER_MAJOR, VER_MINOR, VER_PATCH);
+ OptTranslator (&Buf);
/* Set date and time */
OptDateTime ((unsigned long) time(0));
+
+ /* Release memory for the string */
+ SB_Done (&Buf);
+}
+
+
+
+static void NewSymbol (const char* SymName, long Val)
+/* Define a symbol with a fixed numeric value in the current scope */
+{
+ ExprNode* Expr;
+ SymEntry* Sym;
+
+ /* Convert the name to a string buffer */
+ StrBuf SymBuf = STATIC_STRBUF_INITIALIZER;
+ SB_CopyStr (&SymBuf, SymName);
+
+ /* Search for the symbol, allocate a new one if it doesn't exist */
+ Sym = SymFind (CurrentScope, &SymBuf, SYM_ALLOC_NEW);
+
+ /* Check if have already a symbol with this name */
+ if (SymIsDef (Sym)) {
+ AbEnd ("`%s' is already defined", SymName);
+ }
+
+ /* Generate an expression for the symbol */
+ Expr = GenLiteralExpr (Val);
+
+ /* Mark the symbol as defined */
+ SymDef (Sym, Expr, ADDR_SIZE_DEFAULT, SF_NONE);
+
+ /* Free string buffer memory */
+ SB_Done (&SymBuf);
+}
+
+
+
+static void CBMSystem (const char* Sys)
+/* Define a CBM system */
+{
+ NewSymbol ("__CBM__", 1);
+ NewSymbol (Sys, 1);
+}
+
+
+
+static void SetSys (const char* Sys)
+/* Define a target system */
+{
+ switch (Target = FindTarget (Sys)) {
+
+ case TGT_NONE:
+ break;
+
+ case TGT_MODULE:
+ AbEnd ("Cannot use `module' as a target for the assembler");
+ break;
+
+ case TGT_ATARI:
+ NewSymbol ("__ATARI__", 1);
+ break;
+
+ case TGT_C16:
+ CBMSystem ("__C16__");
+ break;
+
+ case TGT_C64:
+ CBMSystem ("__C64__");
+ break;
+
+ case TGT_VIC20:
+ CBMSystem ("__VIC20__");
+ break;
+
+ case TGT_C128:
+ CBMSystem ("__C128__");
+ break;
+
+ case TGT_PLUS4:
+ CBMSystem ("__PLUS4__");
+ break;
+
+ case TGT_CBM510:
+ CBMSystem ("__CBM510__");
+ break;
+
+ case TGT_CBM610:
+ CBMSystem ("__CBM610__");
+ break;
+
+ case TGT_PET:
+ CBMSystem ("__PET__");
+ break;
+
+ case TGT_BBC:
+ NewSymbol ("__BBC__", 1);
+ break;
+
+ case TGT_APPLE2:
+ NewSymbol ("__APPLE2__", 1);
+ break;
+
+ case TGT_APPLE2ENH:
+ NewSymbol ("__APPLE2ENH__", 1);
+ break;
+
+ case TGT_GEOS:
+ /* Do not handle as a CBM system */
+ NewSymbol ("__GEOS__", 1);
+ break;
+
+ case TGT_LUNIX:
+ NewSymbol ("__LUNIX__", 1);
+ break;
+
+ case TGT_ATMOS:
+ NewSymbol ("__ATMOS__", 1);
+ break;
+
+ case TGT_NES:
+ NewSymbol ("__NES__", 1);
+ break;
+
+ case TGT_SUPERVISION:
+ NewSymbol ("__SUPERVISION__", 1);
+ break;
+
+ case TGT_LYNX:
+ NewSymbol ("__LYNX__", 1);
+ break;
+
+ default:
+ AbEnd ("Invalid target name: `%s'", Sys);
+
+ }
+
+ /* Initialize the translation tables for the target system */
+ TgtTranslateInit ();
}
const char* P;
unsigned I;
long Val;
- char SymName [MAX_STR_LEN+1];
- SymEntry* Sym;
- ExprNode* Expr;
+ StrBuf SymName = AUTO_STRBUF_INITIALIZER;
/* The symbol must start with a character or underline */
- if (Def [0] != '_' && !IsAlpha (Def [0])) {
+ if (!IsIdStart (Def [0])) {
InvDef (Def);
}
P = Def;
/* Copy the symbol, checking the rest */
I = 0;
- while (IsAlNum (*P) || *P == '_') {
- if (I <= MAX_STR_LEN) {
- SymName [I++] = *P;
- }
- ++P;
+ while (IsIdChar (*P)) {
+ SB_AppendChar (&SymName, *P++);
}
- SymName [I] = '\0';
+ SB_Terminate (&SymName);
/* Do we have a value given? */
if (*P != '=') {
}
Val = 0;
} else {
- /* We have a value */
- ++P;
- if (*P == '$') {
- ++P;
- if (sscanf (P, "%lx", &Val) != 1) {
- InvDef (Def);
- }
- } else {
- if (sscanf (P, "%li", &Val) != 1) {
- InvDef (Def);
- }
+ /* We have a value */
+ ++P;
+ if (*P == '$') {
+ ++P;
+ if (sscanf (P, "%lx", &Val) != 1) {
+ InvDef (Def);
+ }
+ } else {
+ if (sscanf (P, "%li", &Val) != 1) {
+ InvDef (Def);
+ }
}
}
- /* Search for the symbol, allocate a new one if it doesn't exist */
- Sym = SymFind (CurrentScope, SymName, SYM_ALLOC_NEW);
-
- /* Check if have already a symbol with this name */
- if (SymIsDef (Sym)) {
- AbEnd ("`%s' is already defined", SymName);
- }
+ /* Define the new symbol */
+ NewSymbol (SB_GetConstBuf (&SymName), Val);
- /* Generate an expression for the symbol */
- Expr = GenLiteralExpr (Val);
-
- /* Mark the symbol as defined */
- SymDef (Sym, Expr, ADDR_SIZE_DEFAULT, SF_NONE);
+ /* Release string memory */
+ SB_Done (&SymName);
}
static void OptAutoImport (const char* Opt attribute ((unused)),
- const char* Arg attribute ((unused)))
+ const char* Arg attribute ((unused)))
/* Mark unresolved symbols as imported */
{
AutoImport = 1;
static void OptDebugInfo (const char* Opt attribute ((unused)),
- const char* Arg attribute ((unused)))
+ const char* Arg attribute ((unused)))
/* Add debug info to the object file */
{
DbgSyms = 1;
static void OptFeature (const char* Opt attribute ((unused)), const char* Arg)
/* Set an emulation feature */
{
+ /* Make a string buffer from Arg */
+ StrBuf Feature;
+
/* Set the feature, check for errors */
- if (SetFeature (Arg) == FEAT_UNKNOWN) {
+ if (SetFeature (SB_InitFromString (&Feature, Arg)) == FEAT_UNKNOWN) {
AbEnd ("Illegal emulation feature: `%s'", Arg);
}
}
+static void OptForgetIncPaths (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Forget all currently defined include paths */
+{
+ ForgetAllIncludePaths ();
+}
+
+
+
static void OptHelp (const char* Opt attribute ((unused)),
const char* Arg attribute ((unused)))
/* Print usage information and exit */
+static void OptListBytes (const char* Opt, const char* Arg)
+/* Set the maximum number of bytes per listing line */
+{
+ unsigned Num;
+ char Check;
+
+ /* Convert the argument to a number */
+ if (sscanf (Arg, "%u%c", &Num, &Check) != 1) {
+ AbEnd ("Invalid argument for option `%s'", Opt);
+ }
+
+ /* Check the bounds */
+ if (Num != 0 && (Num < MIN_LIST_BYTES || Num > MAX_LIST_BYTES)) {
+ AbEnd ("Argument for option `%s' is out of range", Opt);
+ }
+
+ /* Use the value */
+ SetListBytes (Num);
+}
+
+
+
static void OptListing (const char* Opt attribute ((unused)),
const char* Arg attribute ((unused)))
/* Create a listing file */
+static void OptMacPackDir (const char* Opt attribute ((unused)), const char* Arg)
+/* Set a macro package directory */
+{
+ /* Make a string buffer from Arg */
+ StrBuf Dir;
+
+ /* Use the directory */
+ MacPackSetDir (SB_InitFromString (&Dir, Arg));
+}
+
+
+
static void OptMemoryModel (const char* Opt, const char* Arg)
/* Set the memory model */
{
static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
/* Set the target system */
{
- /* Map the target name to a target id */
- Target = FindTarget (Arg);
- if (Target == TGT_UNKNOWN) {
- AbEnd ("Invalid target name: `%s'", Arg);
- } else if (Target == TGT_MODULE) {
- AbEnd ("Cannot use `module' as a target for the assembler");
- }
+ SetSys (Arg);
}
if (PC < 0 || PC > 0xFFFFFF) {
Error ("Range error");
} else {
- SetAbsPC (PC);
+ EnterAbsoluteMode (PC);
}
}
static void OneLine (void)
/* Assemble one line */
-{
- Segment* Seg = 0;
- unsigned long PC = 0;
- SymEntry* Sym = 0;
- int Done = 0;
+{
+ Segment* Seg = 0;
+ unsigned long PC = 0;
+ SymEntry* Sym = 0;
+ int Macro = 0;
+ int Instr = -1;
/* Initialize the new listing line if we are actually reading from file
* and not from internally pushed input.
*/
if (!HavePushedInput ()) {
- InitListingLine ();
+ InitListingLine ();
}
if (Tok == TOK_COLON) {
- /* An unnamed label */
- ULabDef ();
- NextTok ();
+ /* An unnamed label */
+ ULabDef ();
+ NextTok ();
+ }
+
+ /* If the first token on the line is an identifier, check for a macro or
+ * an instruction.
+ */
+ if (Tok == TOK_IDENT) {
+ if (!UbiquitousIdents) {
+ /* Macros and symbols cannot use instruction names */
+ Instr = FindInstruction (&SVal);
+ if (Instr < 0) {
+ Macro = IsMacro (&SVal);
+ }
+ } else {
+ /* Macros and symbols may use the names of instructions */
+ Macro = IsMacro (&SVal);
+ }
}
- /* Assemble the line */
- if (Tok == TOK_LOCAL_IDENT || (Tok == TOK_IDENT && !IsMacro (SVal))) {
+ /* Handle an identifier */
+ if (Tok == TOK_LOCAL_IDENT || (Tok == TOK_IDENT && Instr < 0 && !Macro)) {
/* Did we have whitespace before the ident? */
int HadWS = WS;
/* Generate the symbol table entry, then skip the name */
if (Tok == TOK_IDENT) {
- Sym = SymFind (CurrentScope, SVal, SYM_ALLOC_NEW);
+ Sym = SymFind (CurrentScope, &SVal, SYM_ALLOC_NEW);
} else {
- Sym = SymFindLocal (SymLast, SVal, SYM_ALLOC_NEW);
+ Sym = SymFindLocal (SymLast, &SVal, SYM_ALLOC_NEW);
}
NextTok ();
* is no colon, it's an assignment.
*/
if (Tok == TOK_EQ || Tok == TOK_ASSIGN) {
- /* If it's an assign token, we have a label */
+
+ /* Determine the symbol flags from the assignment token */
unsigned Flags = (Tok == TOK_ASSIGN)? SF_LABEL : SF_NONE;
+
/* Skip the '=' */
NextTok ();
+
/* Define the symbol with the expression following the '=' */
SymDef (Sym, Expression(), ADDR_SIZE_DEFAULT, Flags);
+
/* Don't allow anything after a symbol definition */
- Done = 1;
+ ConsumeSep ();
+ return;
+
+ } else if (Tok == TOK_SET) {
+
+ ExprNode* Expr;
+
+ /* .SET defines variables (= redefinable symbols) */
+ NextTok ();
+
+ /* Read the assignment expression, which must be constant */
+ Expr = GenLiteralExpr (ConstExpression ());
+
+ /* Define the symbol with the constant expression following
+ * the '='
+ */
+ SymDef (Sym, Expr, ADDR_SIZE_DEFAULT, SF_VAR);
+
+ /* Don't allow anything after a symbol definition */
+ ConsumeSep ();
+ return;
+
} else {
+
/* A label. Remember the current segment, so we can later
* determine the size of the data stored under the label.
*/
/* Skip the colon */
NextTok ();
}
+
+ /* If we come here, a new identifier may be waiting, which may
+ * be a macro or instruction.
+ */
+ if (Tok == TOK_IDENT) {
+ if (!UbiquitousIdents) {
+ /* Macros and symbols cannot use instruction names */
+ Instr = FindInstruction (&SVal);
+ if (Instr < 0) {
+ Macro = IsMacro (&SVal);
+ }
+ } else {
+ /* Macros and symbols may use the names of instructions */
+ Macro = IsMacro (&SVal);
+ }
+ }
}
}
- if (!Done) {
-
- if (Tok >= TOK_FIRSTPSEUDO && Tok <= TOK_LASTPSEUDO) {
- /* A control command */
- HandlePseudo ();
- } else if (Tok == TOK_MNEMO) {
- /* A mnemonic - assemble one instruction */
- HandleInstruction (IVal);
- } else if (Tok == TOK_IDENT && IsMacro (SVal)) {
- /* A macro expansion */
- MacExpandStart ();
- } else if (PCAssignment && (Tok == TOK_STAR || Tok == TOK_PC)) {
- NextTok ();
- if (Tok != TOK_EQ) {
- Error ("`=' expected");
- SkipUntilSep ();
- } else {
- /* Skip the equal sign */
- NextTok ();
- /* Enter absolute mode */
- DoPCAssign ();
- }
- }
+ /* We've handled a possible label, now handle the remainder of the line */
+ if (Tok >= TOK_FIRSTPSEUDO && Tok <= TOK_LASTPSEUDO) {
+ /* A control command */
+ HandlePseudo ();
+ } else if (Macro) {
+ /* A macro expansion */
+ MacExpandStart ();
+ } else if (Instr >= 0 ||
+ (UbiquitousIdents && ((Instr = FindInstruction (&SVal)) >= 0))) {
+ /* A mnemonic - assemble one instruction */
+ HandleInstruction (Instr);
+ } else if (PCAssignment && (Tok == TOK_STAR || Tok == TOK_PC)) {
+ NextTok ();
+ if (Tok != TOK_EQ) {
+ Error ("`=' expected");
+ SkipUntilSep ();
+ } else {
+ /* Skip the equal sign */
+ NextTok ();
+ /* Enter absolute mode */
+ DoPCAssign ();
+ }
+ }
- /* If we have defined a label, remember its size. Sym is also set by
- * a symbol assignment, but in this case Done is false, so we don't
- * come here.
- */
- if (Sym) {
- unsigned long Size;
- if (Seg == ActiveSeg) {
- /* Same segment */
- Size = GetPC () - PC;
- } else {
- /* The line has switched the segment */
- Size = 0;
- }
- DefSizeOfSymbol (Sym, Size);
+ /* If we have defined a label, remember its size. Sym is also set by
+ * a symbol assignment, but in this case Done is false, so we don't
+ * come here.
+ */
+ if (Sym) {
+ unsigned long Size;
+ if (Seg == ActiveSeg) {
+ /* Same segment */
+ Size = GetPC () - PC;
+ } else {
+ /* The line has switched the segment */
+ Size = 0;
}
+ DefSizeOfSymbol (Sym, Size);
}
/* Line separator must come here */
{ "--cpu", 1, OptCPU },
{ "--debug-info", 0, OptDebugInfo },
{ "--feature", 1, OptFeature },
+ { "--forget-inc-paths", 0, OptForgetIncPaths },
{ "--help", 0, OptHelp },
{ "--ignore-case", 0, OptIgnoreCase },
{ "--include-dir", 1, OptIncludeDir },
+ { "--list-bytes", 1, OptListBytes },
{ "--listing", 0, OptListing },
+ { "--macpack-dir", 1, OptMacPackDir },
{ "--memory-model", 1, OptMemoryModel },
{ "--pagelength", 1, OptPageLength },
- { "--smart", 0, OptSmart },
+ { "--smart", 0, OptSmart },
{ "--target", 1, OptTarget },
{ "--verbose", 0, OptVerbose },
{ "--version", 0, OptVersion },
};
+ /* Name of the global name space */
+ static const StrBuf GlobalNameSpace = STATIC_STRBUF_INITIALIZER;
+
unsigned I;
/* Initialize the cmdline module */
InitCmdLine (&argc, &argv, "ca65");
+ /* Initialize the include search paths */
+ InitIncludePaths ();
+
/* Enter the base lexical level. We must do that here, since we may
* define symbols using -D.
*/
- SymEnterLevel ("", ST_GLOBAL, ADDR_SIZE_DEFAULT);
+ SymEnterLevel (&GlobalNameSpace, ST_GLOBAL, ADDR_SIZE_DEFAULT);
/* Check the parameters */
I = 1;
SetMemoryModel (MMODEL_NEAR);
}
- /* Intialize the target translation tables */
- TgtTranslateInit ();
-
/* Initialize the segments */
InitSegments ();
SegCheck ();
}
+ /* If we didn't have any errors, check the assertions */
+ if (ErrorCount == 0) {
+ CheckAssertions ();
+ }
+
/* If we didn't have an errors, index the line infos */
MakeLineInfoIndex ();
projects / cc65 / blobdiff