-/* CC65 main program */
+/*****************************************************************************/
+/* */
+/* main.c */
+/* */
+/* cc65 main program */
+/* */
+/* */
+/* */
+/* (C) 2000-2011, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
+/* */
+/* */
+/* This software is provided 'as-is', without any expressed or implied */
+/* warranty. In no event will the authors be held liable for any damages */
+/* arising from the use of this software. */
+/* */
+/* Permission is granted to anyone to use this software for any purpose, */
+/* including commercial applications, and to alter it and redistribute it */
+/* freely, subject to the following restrictions: */
+/* */
+/* 1. The origin of this software must not be misrepresented; you must not */
+/* claim that you wrote the original software. If you use this software */
+/* in a product, an acknowledgment in the product documentation would be */
+/* appreciated but is not required. */
+/* 2. Altered source versions must be plainly marked as such, and must not */
+/* be misrepresented as being the original software. */
+/* 3. This notice may not be removed or altered from any source */
+/* distribution. */
+/* */
+/*****************************************************************************/
+
+
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
-#include <ctype.h>
#include <errno.h>
-#include "../common/version.h"
-
+/* common */
+#include "abend.h"
+#include "chartype.h"
+#include "cmdline.h"
+#include "cpu.h"
+#include "debugflag.h"
+#include "fname.h"
+#include "mmodel.h"
+#include "print.h"
+#include "segnames.h"
+#include "strbuf.h"
+#include "target.h"
+#include "tgttrans.h"
+#include "version.h"
+#include "xmalloc.h"
+
+/* cc65 */
#include "asmcode.h"
-#include "asmlabel.h"
-#include "codegen.h"
-#include "datatype.h"
-#include "declare.h"
+#include "compile.h"
+#include "codeopt.h"
#include "error.h"
-#include "expr.h"
-#include "function.h"
#include "global.h"
-#include "include.h"
-#include "io.h"
-#include "litpool.h"
+#include "incpath.h"
+#include "input.h"
#include "macrotab.h"
-#include "mem.h"
-#include "optimize.h"
-#include "pragma.h"
+#include "output.h"
#include "scanner.h"
-#include "stmt.h"
-#include "symtab.h"
-
-
-
-/*****************************************************************************/
-/* data */
-/*****************************************************************************/
-
-
-
-/* Names of the target systems sorted by target name */
-static const char* TargetNames [] = {
- "none",
- "atari",
- "c64",
- "c128",
- "ace",
- "plus4",
- "cbm610",
- "pet",
- "nes",
- "apple2",
- "geos",
-};
+#include "segments.h"
+#include "standard.h"
+#include "svnversion.h"
/*****************************************************************************/
-/* code */
+/* Code */
/*****************************************************************************/
-static void usage (int ExitCode)
+static void Usage (void)
+/* Print usage information to stderr */
{
- fputs ("Usage: cc65 [options] file\n"
- "\t-d\t\tDebug mode\n"
- "\t-g\t\tAdd debug info to object files\n"
- "\t-h\t\tPrint this help\n"
- "\t-j\t\tDefault characters are signed\n"
- "\t-o name\t\tName the output file\n"
- "\t-tx\t\tSet target system x\n"
- "\t-v\t\tVerbose mode\n"
- "\t-A\t\tStrict ANSI mode\n"
- "\t-Cl\t\tMake local variables static\n"
- "\t-Dsym[=defn]\tDefine a symbol\n"
- "\t-I path\t\tSet include directory\n"
- "\t-O\t\tOptimize code\n"
- "\t-Oi\t\tOptimize code, inline more code\n"
- "\t-Or\t\tEnable register variables\n"
- "\t-Os\t\tInline some known functions\n"
- "\t-T\t\tInclude source as comment\n"
- "\t-V\t\tPrint version number\n"
- "\t-W\t\tSuppress warnings\n",
- stderr);
- exit (ExitCode);
+ printf ("Usage: %s [options] file\n"
+ "Short options:\n"
+ " -Cl\t\t\t\tMake local variables static\n"
+ " -Dsym[=defn]\t\t\tDefine a symbol\n"
+ " -E\t\t\t\tStop after the preprocessing stage\n"
+ " -I dir\t\t\tSet an include directory search path\n"
+ " -O\t\t\t\tOptimize code\n"
+ " -Oi\t\t\t\tOptimize code, inline more code\n"
+ " -Or\t\t\t\tEnable register variables\n"
+ " -Os\t\t\t\tInline some known functions\n"
+ " -T\t\t\t\tInclude source as comment\n"
+ " -V\t\t\t\tPrint the compiler version number\n"
+ " -W warning[,...]\t\tSuppress warnings\n"
+ " -d\t\t\t\tDebug mode\n"
+ " -g\t\t\t\tAdd debug info to object file\n"
+ " -h\t\t\t\tHelp (this text)\n"
+ " -j\t\t\t\tDefault characters are signed\n"
+ " -mm model\t\t\tSet the memory model\n"
+ " -o name\t\t\tName the output file\n"
+ " -r\t\t\t\tEnable register variables\n"
+ " -t sys\t\t\tSet the target system\n"
+ " -v\t\t\t\tIncrease verbosity\n"
+ "\n"
+ "Long options:\n"
+ " --add-source\t\t\tInclude source as comment\n"
+ " --bss-name seg\t\tSet the name of the BSS segment\n"
+ " --check-stack\t\t\tGenerate stack overflow checks\n"
+ " --code-name seg\t\tSet the name of the CODE segment\n"
+ " --codesize x\t\t\tAccept larger code by factor x\n"
+ " --cpu type\t\t\tSet cpu type (6502, 65c02)\n"
+ " --create-dep name\t\tCreate a make dependency file\n"
+ " --create-full-dep name\tCreate a full make dependency file\n"
+ " --data-name seg\t\tSet the name of the DATA segment\n"
+ " --debug\t\t\tDebug mode\n"
+ " --debug-info\t\t\tAdd debug info to object file\n"
+ " --debug-opt name\t\tDebug optimization steps\n"
+ " --dep-target target\t\tUse this dependency target\n"
+ " --disable-opt name\t\tDisable an optimization step\n"
+ " --enable-opt name\t\tEnable an optimization step\n"
+ " --forget-inc-paths\t\tForget include search paths\n"
+ " --help\t\t\tHelp (this text)\n"
+ " --include-dir dir\t\tSet an include directory search path\n"
+ " --list-opt-steps\t\tList all optimizer steps and exit\n"
+ " --list-warnings\t\tList available warning types for -W\n"
+ " --local-strings\t\tEmit string literals immediately\n"
+ " --memory-model model\t\tSet the memory model\n"
+ " --register-space b\t\tSet space available for register variables\n"
+ " --register-vars\t\tEnable register variables\n"
+ " --rodata-name seg\t\tSet the name of the RODATA segment\n"
+ " --signed-chars\t\tDefault characters are signed\n"
+ " --standard std\t\tLanguage standard (c89, c99, cc65)\n"
+ " --static-locals\t\tMake local variables static\n"
+ " --target sys\t\t\tSet the target system\n"
+ " --verbose\t\t\tIncrease verbosity\n"
+ " --version\t\t\tPrint the compiler version number\n"
+ " --writable-strings\t\tMake string literals writable\n",
+ ProgName);
}
-static char* GetArg (int* ArgNum, char* argv [], unsigned Len)
-/* Get an option argument */
-{
- char* Arg = argv [*ArgNum];
- if (Arg [Len] != '\0') {
- /* Argument appended */
- return Arg + Len;
- } else {
- /* Separate argument */
- Arg = argv [*ArgNum + 1];
- if (Arg == 0) {
- /* End of arguments */
- fprintf (stderr, "Option requires an argument: %s\n", argv [*ArgNum]);
- exit (EXIT_FAILURE);
- }
- ++(*ArgNum);
- return Arg;
- }
-}
-
-
-
-/* Define a CBM system */
static void cbmsys (const char* sys)
+/* Define a CBM system */
{
- AddNumericMacro ("__CBM__", 1);
- AddNumericMacro (sys, 1);
-}
-
-
-
-static int MapSys (const char* Name)
-/* Map a target name to a system code. Return -1 in case of an error */
-{
- unsigned I;
-
- /* Check for a numeric target */
- if (isdigit (*Name)) {
- int Target = atoi (Name);
- if (Target >= 0 && Target < TGT_COUNT) {
- return Target;
- }
- }
-
- /* Check for a target string */
- for (I = 0; I < TGT_COUNT; ++I) {
- if (strcmp (TargetNames [I], Name) == 0) {
- return I;
- }
- }
- /* Not found */
- return -1;
+ DefineNumericMacro ("__CBM__", 1);
+ DefineNumericMacro (sys, 1);
}
-/* Define a target system */
static void SetSys (const char* Sys)
+/* Define a target system */
{
- switch (Target = MapSys (Sys)) {
+ switch (Target = FindTarget (Sys)) {
case TGT_NONE:
break;
+ case TGT_MODULE:
+ AbEnd ("Cannot use `module' as a target for the compiler");
+ break;
+
case TGT_ATARI:
- AddNumericMacro ("__ATARI__", 1);
+ DefineNumericMacro ("__ATARI__", 1);
+ break;
+
+ case TGT_C16:
+ cbmsys ("__C16__");
break;
case TGT_C64:
cbmsys ("__C64__");
break;
- case TGT_C128:
- cbmsys ("__C128__");
+ case TGT_VIC20:
+ cbmsys ("__VIC20__");
break;
- case TGT_ACE:
- cbmsys ("__ACE__");
+ case TGT_C128:
+ cbmsys ("__C128__");
break;
case TGT_PLUS4:
cbmsys ("__PLUS4__");
break;
+ case TGT_CBM510:
+ cbmsys ("__CBM510__");
+ break;
+
case TGT_CBM610:
cbmsys ("__CBM610__");
break;
case TGT_PET:
- cbmsys ("__PET__");
+ cbmsys ("__PET__");
+ break;
+
+ case TGT_BBC:
+ DefineNumericMacro ("__BBC__", 1);
+ break;
+
+ case TGT_APPLE2:
+ DefineNumericMacro ("__APPLE2__", 1);
+ break;
+
+ case TGT_APPLE2ENH:
+ DefineNumericMacro ("__APPLE2ENH__", 1);
+ break;
+
+ case TGT_GEOS_CBM:
+ /* Do not handle as a CBM system */
+ DefineNumericMacro ("__GEOS__", 1);
+ DefineNumericMacro ("__GEOS_CBM__", 1);
+ break;
+
+ case TGT_GEOS_APPLE:
+ DefineNumericMacro ("__GEOS__", 1);
+ DefineNumericMacro ("__GEOS_APPLE__", 1);
+ break;
+
+ case TGT_LUNIX:
+ DefineNumericMacro ("__LUNIX__", 1);
break;
- case TGT_NES:
- AddNumericMacro ("__NES__", 1);
- break;
+ case TGT_ATMOS:
+ DefineNumericMacro ("__ATMOS__", 1);
+ break;
- case TGT_APPLE2:
- AddNumericMacro ("__APPLE2__", 1);
- break;
+ case TGT_NES:
+ DefineNumericMacro ("__NES__", 1);
+ break;
- case TGT_GEOS:
- /* Do not handle as a CBM system */
- AddNumericMacro ("__GEOS__", 1);
- break;
+ case TGT_SUPERVISION:
+ DefineNumericMacro ("__SUPERVISION__", 1);
+ break;
- default:
- fputs ("Unknown system type\n", stderr);
- usage (EXIT_FAILURE);
+ case TGT_LYNX:
+ DefineNumericMacro ("__LYNX__", 1);
+ break;
+
+ default:
+ AbEnd ("Unknown target system type %d", Target);
}
+
+ /* Initialize the translation tables for the target system */
+ TgtTranslateInit ();
}
-static void InvSym (const char* Def)
-/* Print an error about an invalid macro definition and die */
+static void FileNameOption (const char* Opt, const char* Arg, StrBuf* Name)
+/* Handle an option that remembers a file name for later */
{
- fprintf (stderr, "Invalid macro definition: `%s'\n", Def);
- exit (EXIT_FAILURE);
+ /* Cannot have the option twice */
+ if (SB_NotEmpty (Name)) {
+ AbEnd ("Cannot use option `%s' twice", Opt);
+ }
+ /* Remember the file name for later */
+ SB_CopyStr (Name, Arg);
+ SB_Terminate (Name);
}
const char* P = Def;
/* The symbol must start with a character or underline */
- if (Def [0] != '_' && !isalpha (Def [0])) {
- InvSym (Def);
+ if (Def [0] != '_' && !IsAlpha (Def [0])) {
+ InvDef (Def);
}
/* Check the symbol name */
- while (isalnum (*P) || *P == '_') {
+ while (IsAlNum (*P) || *P == '_') {
++P;
}
/* Do we have a value given? */
if (*P != '=') {
if (*P != '\0') {
- InvSym (Def);
+ InvDef (Def);
}
/* No value given. Define the macro with the value 1 */
- AddNumericMacro (Def, 1);
+ DefineNumericMacro (Def, 1);
} else {
/* We have a value, P points to the '=' character. Since the argument
* is const, create a copy and replace the '=' in the copy by a zero
*/
char* Q;
unsigned Len = strlen (Def)+1;
- char* S = xmalloc (Len);
+ char* S = (char*) xmalloc (Len);
memcpy (S, Def, Len);
Q = S + (P - Def);
*Q++ = '\0';
/* Define this as a macro */
- AddTextMacro (S, Q);
+ DefineTextMacro (S, Q);
- /* Release the allocated memory */
- xfree (S);
+ /* Release the allocated memory */
+ xfree (S);
}
}
-static void Parse (void)
-/* Process all input text.
- * At this level, only static declarations, defines, includes, and function
- * definitions are legal....
- */
+static void CheckSegName (const char* Seg)
+/* Abort if the given name is not a valid segment name */
{
- int comma;
- SymEntry* Entry;
+ /* Print an error and abort if the name is not ok */
+ if (!ValidSegName (Seg)) {
+ AbEnd ("Segment name `%s' is invalid", Seg);
+ }
+}
- kill ();
- gettok (); /* "prime" the pump */
- gettok ();
- while (curtok != CEOF) {
- DeclSpec Spec;
- Declaration Decl;
- int NeedStorage;
- /* Check for an ASM statement (which is allowed also on global level) */
- if (curtok == ASM) {
- doasm ();
- ConsumeSemi ();
- continue;
- }
+static void OptAddSource (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Add source lines as comments in generated assembler file */
+{
+ AddSource = 1;
+}
+
+
+
+static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
+/* Handle the --bss-name option */
+{
+ /* Check for a valid name */
+ CheckSegName (Arg);
+
+ /* Set the name */
+ SetSegName (SEG_BSS, Arg);
+}
+
+
+
+static void OptCheckStack (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Handle the --check-stack option */
+{
+ IS_Set (&CheckStack, 1);
+}
+
+
+
+static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
+/* Handle the --code-name option */
+{
+ /* Check for a valid name */
+ CheckSegName (Arg);
+
+ /* Set the name */
+ SetSegName (SEG_CODE, Arg);
+}
+
+
+
+static void OptCodeSize (const char* Opt, const char* Arg)
+/* Handle the --codesize option */
+{
+ unsigned Factor;
+ char BoundsCheck;
+
+ /* Numeric argument expected */
+ if (sscanf (Arg, "%u%c", &Factor, &BoundsCheck) != 1 ||
+ Factor < 10 || Factor > 1000) {
+ AbEnd ("Argument for %s is invalid", Opt);
+ }
+ IS_Set (&CodeSizeFactor, Factor);
+}
+
+
+
+static void OptCreateDep (const char* Opt, const char* Arg)
+/* Handle the --create-dep option */
+{
+ FileNameOption (Opt, Arg, &DepName);
+}
+
+
+
+static void OptCreateFullDep (const char* Opt attribute ((unused)),
+ const char* Arg)
+/* Handle the --create-full-dep option */
+{
+ FileNameOption (Opt, Arg, &FullDepName);
+}
+
+
+
+static void OptCPU (const char* Opt, const char* Arg)
+/* Handle the --cpu option */
+{
+ /* Find the CPU from the given name */
+ CPU = FindCPU (Arg);
+ if (CPU != CPU_6502 && CPU != CPU_6502X && CPU != CPU_65SC02 &&
+ CPU != CPU_65C02 && CPU != CPU_65816 && CPU != CPU_HUC6280) {
+ AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
+ }
+}
+
+
+
+static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
+/* Handle the --data-name option */
+{
+ /* Check for a valid name */
+ CheckSegName (Arg);
+
+ /* Set the name */
+ SetSegName (SEG_DATA, Arg);
+}
+
+
+
+static void OptDebug (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Compiler debug mode */
+{
+ ++Debug;
+}
- /* Check for a #pragma */
- if (curtok == PRAGMA) {
- DoPragma ();
- continue;
- }
- /* Read variable defs and functions */
- ParseDeclSpec (&Spec, SC_EXTERN | SC_STATIC, T_INT);
- /* Don't accept illegal storage classes */
- if (Spec.StorageClass == SC_AUTO || Spec.StorageClass == SC_REGISTER) {
- Error (ERR_ILLEGAL_STORAGE_CLASS);
- Spec.StorageClass = SC_EXTERN | SC_STATIC;
+static void OptDebugInfo (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Add debug info to the object file */
+{
+ DebugInfo = 1;
+}
+
+
+
+static void OptDebugOpt (const char* Opt attribute ((unused)), const char* Arg)
+/* Debug optimization steps */
+{
+ char Buf [128];
+ char* Line;
+
+ /* Open the file */
+ FILE* F = fopen (Arg, "r");
+ if (F == 0) {
+ AbEnd ("Cannot open `%s': %s", Arg, strerror (errno));
+ }
+
+ /* Read line by line, ignore empty lines and switch optimization
+ * steps on/off.
+ */
+ while (fgets (Buf, sizeof (Buf), F) != 0) {
+
+ /* Remove trailing control chars. This will also remove the
+ * trailing newline.
+ */
+ unsigned Len = strlen (Buf);
+ while (Len > 0 && IsControl (Buf[Len-1])) {
+ --Len;
}
+ Buf[Len] = '\0';
- /* Check if this is only a type declaration */
- if (curtok == SEMI) {
- gettok ();
- continue;
+ /* Get a pointer to the buffer and remove leading white space */
+ Line = Buf;
+ while (IsBlank (*Line)) {
+ ++Line;
}
- /* Check if we must reserve storage for the variable. We do
- * this if we don't had a storage class given ("int i") or
- * if the storage class is explicitly specified as static.
- * This means that "extern int i" will not get storage
- * allocated.
+ /* Check the first character and enable/disable the step or
+ * ignore the line
*/
- NeedStorage = (Spec.StorageClass & SC_TYPEDEF) == 0 &&
- ((Spec.Flags & DS_DEF_STORAGE) != 0 ||
- (Spec.StorageClass & (SC_STATIC | SC_EXTERN)) == SC_STATIC);
-
- /* Read declarations for this type */
- Entry = 0;
- comma = 0;
- while (1) {
-
- unsigned SymFlags;
-
- /* Read the next declaration */
- ParseDecl (&Spec, &Decl, DM_NEED_IDENT);
- if (Decl.Ident[0] == '\0') {
- gettok ();
- break;
- }
+ switch (*Line) {
- /* Get the symbol flags */
- SymFlags = Spec.StorageClass;
- if (IsFunc (Decl.Type)) {
- SymFlags |= SC_FUNC;
- } else {
- if (NeedStorage) {
- /* We will allocate storage, variable is defined */
- SymFlags |= SC_STORAGE | SC_DEF;
- }
- }
+ case '\0':
+ case '#':
+ case ';':
+ /* Empty or comment line */
+ continue;
+
+ case '-':
+ DisableOpt (Line+1);
+ break;
- /* Add an entry to the symbol table */
- Entry = AddGlobalSym (Decl.Ident, Decl.Type, SymFlags);
+ case '+':
+ ++Line;
+ /* FALLTHROUGH */
- /* Reserve storage for the variable if we need to */
- if (SymFlags & SC_STORAGE) {
+ default:
+ EnableOpt (Line);
+ break;
- /* Get the size of the variable */
- unsigned Size = SizeOf (Decl.Type);
+ }
- /* Allow initialization */
- if (curtok == ASGN) {
+ }
- /* We cannot initialize types of unknown size, or
- * void types in non ANSI mode.
- */
- if (Size == 0) {
- if (!IsVoid (Decl.Type)) {
- if (!IsArray (Decl.Type)) {
- /* Size is unknown and not an array */
- Error (ERR_UNKNOWN_SIZE);
- }
- } else if (ANSI) {
- /* We cannot declare variables of type void */
- Error (ERR_ILLEGAL_TYPE);
- }
- }
+ /* Close the file, no error check here since we were just reading and
+ * this is only a debug function.
+ */
+ (void) fclose (F);
+}
- /* Switch to the data segment */
- g_usedata ();
- /* Define a label */
- g_defgloblabel (Entry->Name);
- /* Skip the '=' */
- gettok ();
+static void OptDepTarget (const char* Opt attribute ((unused)), const char* Arg)
+/* Handle the --dep-target option */
+{
+ FileNameOption (Opt, Arg, &DepTarget);
+}
- /* Parse the initialization */
- ParseInit (Entry->Type);
- } else {
- if (IsVoid (Decl.Type)) {
- /* We cannot declare variables of type void */
- Error (ERR_ILLEGAL_TYPE);
- } else if (Size == 0) {
- /* Size is unknown */
- Error (ERR_UNKNOWN_SIZE);
- }
- /* Switch to the BSS segment */
- g_usebss ();
+static void OptDisableOpt (const char* Opt attribute ((unused)), const char* Arg)
+/* Disable an optimization step */
+{
+ DisableOpt (Arg);
+}
- /* Define a label */
- g_defgloblabel (Entry->Name);
- /* Allocate space for uninitialized variable */
- g_res (SizeOf (Entry->Type));
- }
- }
+static void OptEnableOpt (const char* Opt attribute ((unused)), const char* Arg)
+/* Enable an optimization step */
+{
+ EnableOpt (Arg);
+}
- /* Check for end of declaration list */
- if (curtok == COMMA) {
- gettok ();
- comma = 1;
- } else {
- break;
- }
- }
- /* Function declaration? */
- if (IsFunc (Decl.Type)) {
- /* Function */
- if (!comma) {
+static void OptForgetIncPaths (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Forget all currently defined include paths */
+{
+ ForgetAllIncludePaths ();
+}
- if (curtok == SEMI) {
- /* Prototype only */
- gettok ();
- } else {
- if (Entry) {
- NewFunc (Entry);
- }
- }
- }
+static void OptHelp (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Print usage information and exit */
+{
+ Usage ();
+ exit (EXIT_SUCCESS);
+}
- } else {
- /* Must be followed by a semicolon */
- ConsumeSemi ();
- }
- }
+static void OptIncludeDir (const char* Opt attribute ((unused)), const char* Arg)
+/* Add an include search path */
+{
+ AddSearchPath (SysIncSearchPath, Arg);
+ AddSearchPath (UsrIncSearchPath, Arg);
+}
+
+
+
+static void OptListOptSteps (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* List all optimizer steps */
+{
+ /* List the optimizer steps */
+ ListOptSteps (stdout);
+
+ /* Terminate */
+ exit (EXIT_SUCCESS);
+}
+
+
+
+static void OptListWarnings (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* List all warning types */
+{
+ /* List the warnings */
+ ListWarnings (stdout);
+
+ /* Terminate */
+ exit (EXIT_SUCCESS);
}
-static void Compile (void)
-/* Compiler begins execution here. inp is input fd, output is output fd. */
+static void OptLocalStrings (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Emit string literals immediately */
{
- char* Path;
+ IS_Set (&LocalStrings, 1);
+}
+
- /* Setup variables */
- filetab[0].f_iocb = inp;
- LiteralLabel = GetLabel ();
+static void OptMemoryModel (const char* Opt, const char* Arg)
+/* Set the memory model */
+{
+ mmodel_t M;
+
+ /* Check the current memory model */
+ if (MemoryModel != MMODEL_UNKNOWN) {
+ AbEnd ("Cannot use option `%s' twice", Opt);
+ }
- /* Add some standard paths to the include search path */
- AddIncludePath ("", INC_USER); /* Current directory */
- AddIncludePath ("include", INC_SYS);
-#ifdef CC65_INC
- /* Allow modifications of the given string by dup'ing it */
- AddIncludePath (xstrdup (CC65_INC), INC_SYS);
-#else
- AddIncludePath ("/usr/lib/cc65/include", INC_SYS);
-#endif
- Path = getenv ("CC65_INC");
- if (Path) {
- AddIncludePath (Path, INC_SYS | INC_USER);
+ /* Translate the memory model name and check it */
+ M = FindMemoryModel (Arg);
+ if (M == MMODEL_UNKNOWN) {
+ AbEnd ("Unknown memory model: %s", Arg);
+ } else if (M == MMODEL_HUGE) {
+ AbEnd ("Unsupported memory model: %s", Arg);
}
- /* Add macros that are always defined */
- AddNumericMacro ("__CC65__", (VER_MAJOR * 0x100) + (VER_MINOR * 0x10) + VER_PATCH);
+ /* Set the memory model */
+ SetMemoryModel (M);
+}
+
+
- /* Strict ANSI macro */
- if (ANSI) {
- AddNumericMacro ("__STRICT_ANSI__", 1);
+static void OptRegisterSpace (const char* Opt, const char* Arg)
+/* Handle the --register-space option */
+{
+ /* Numeric argument expected */
+ if (sscanf (Arg, "%u", &RegisterSpace) != 1 || RegisterSpace > 256) {
+ AbEnd ("Argument for option %s is invalid", Opt);
}
+}
- /* Optimization macros */
- if (Optimize) {
- AddNumericMacro ("__OPT__", 1);
- if (FavourSize == 0) {
- AddNumericMacro ("__OPT_i__", 1);
- }
- if (EnableRegVars) {
- AddNumericMacro ("__OPT_r__", 1);
- }
- if (InlineStdFuncs) {
- AddNumericMacro ("__OPT_s__", 1);
- }
+
+
+static void OptRegisterVars (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Handle the --register-vars option */
+{
+ IS_Set (&EnableRegVars, 1);
+}
+
+
+
+static void OptRodataName (const char* Opt attribute ((unused)), const char* Arg)
+/* Handle the --rodata-name option */
+{
+ /* Check for a valid name */
+ CheckSegName (Arg);
+
+ /* Set the name */
+ SetSegName (SEG_RODATA, Arg);
+}
+
+
+
+static void OptSignedChars (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Make default characters signed */
+{
+ IS_Set (&SignedChars, 1);
+}
+
+
+
+static void OptStandard (const char* Opt, const char* Arg)
+/* Handle the --standard option */
+{
+ /* Find the standard from the given name */
+ standard_t Std = FindStandard (Arg);
+ if (Std == STD_UNKNOWN) {
+ AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
+ } else if (IS_Get (&Standard) != STD_UNKNOWN) {
+ AbEnd ("Option %s given more than once", Opt);
+ } else {
+ IS_Set (&Standard, Std);
}
+}
+
+
+
+static void OptStaticLocals (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Place local variables in static storage */
+{
+ IS_Set (&StaticLocals, 1);
+}
+
+
- /* Create the base lexical level */
- EnterGlobalLevel ();
+static void OptTarget (const char* Opt attribute ((unused)), const char* Arg)
+/* Set the target system */
+{
+ SetSys (Arg);
+}
- /* Generate the code generator preamble */
- g_preamble ();
- /* Ok, start the ball rolling... */
- Parse ();
- /* Dump literal pool. */
- DumpLiteralPool ();
+static void OptVerbose (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Increase verbosity */
+{
+ ++Verbosity;
+}
- /* Write imported/exported symbols */
- EmitExternals ();
- if (Debug) {
- PrintLiteralStats (stdout);
- PrintMacroStats (stdout);
+
+static void OptVersion (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Print the compiler version */
+{
+ fprintf (stderr,
+ "cc65 V%s\nSVN version: %s\n",
+ GetVersionAsString (), SVNVersion);
+ exit (EXIT_SUCCESS);
+}
+
+
+
+static void OptWarning (const char* Opt attribute ((unused)), const char* Arg)
+/* Handle the -W option */
+{
+ StrBuf W = AUTO_STRBUF_INITIALIZER;
+
+ /* Arg is a list of suboptions, separated by commas */
+ while (Arg) {
+
+ const char* Pos;
+ int Enabled = 1;
+ IntStack* S;
+
+ /* The suboption may be prefixed with '-' or '+' */
+ if (*Arg == '-') {
+ Enabled = 0;
+ ++Arg;
+ } else if (*Arg == '+') {
+ /* This is the default */
+ ++Arg;
+ }
+
+ /* Get the next suboption */
+ Pos = strchr (Arg, ',');
+ if (Pos) {
+ SB_CopyBuf (&W, Arg, Pos - Arg);
+ Arg = Pos + 1;
+ } else {
+ SB_CopyStr (&W, Arg);
+ Arg = 0;
+ }
+ SB_Terminate (&W);
+
+ /* Search for the warning */
+ S = FindWarning (SB_GetConstBuf (&W));
+ if (S == 0) {
+ InvArg (Opt, SB_GetConstBuf (&W));
+ }
+ IS_Set (S, Enabled);
}
- /* Leave the main lexical level */
- LeaveGlobalLevel ();
+ /* Free allocated memory */
+ SB_Done (&W);
+}
- /* Print an error report */
- ErrorReport ();
+
+
+static void OptWritableStrings (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Make string literals writable */
+{
+ IS_Set (&WritableStrings, 1);
}
-int main (int argc, char **argv)
+int main (int argc, char* argv[])
{
- int i;
- char *argp;
- char out_name [256];
- char* p;
+ /* Program long options */
+ static const LongOpt OptTab[] = {
+ { "--add-source", 0, OptAddSource },
+ { "--bss-name", 1, OptBssName },
+ { "--check-stack", 0, OptCheckStack },
+ { "--code-name", 1, OptCodeName },
+ { "--codesize", 1, OptCodeSize },
+ { "--cpu", 1, OptCPU },
+ { "--create-dep", 1, OptCreateDep },
+ { "--create-full-dep", 1, OptCreateFullDep },
+ { "--data-name", 1, OptDataName },
+ { "--debug", 0, OptDebug },
+ { "--debug-info", 0, OptDebugInfo },
+ { "--debug-opt", 1, OptDebugOpt },
+ { "--dep-target", 1, OptDepTarget },
+ { "--disable-opt", 1, OptDisableOpt },
+ { "--enable-opt", 1, OptEnableOpt },
+ { "--forget-inc-paths", 0, OptForgetIncPaths },
+ { "--help", 0, OptHelp },
+ { "--include-dir", 1, OptIncludeDir },
+ { "--list-opt-steps", 0, OptListOptSteps },
+ { "--list-warnings", 0, OptListWarnings },
+ { "--local-strings", 0, OptLocalStrings },
+ { "--memory-model", 1, OptMemoryModel },
+ { "--register-space", 1, OptRegisterSpace },
+ { "--register-vars", 0, OptRegisterVars },
+ { "--rodata-name", 1, OptRodataName },
+ { "--signed-chars", 0, OptSignedChars },
+ { "--standard", 1, OptStandard },
+ { "--static-locals", 0, OptStaticLocals },
+ { "--target", 1, OptTarget },
+ { "--verbose", 0, OptVerbose },
+ { "--version", 0, OptVersion },
+ { "--writable-strings", 0, OptWritableStrings },
+ };
+
+ unsigned I;
+
+ /* Initialize the input file name */
+ const char* InputFile = 0;
+
+ /* Initialize the cmdline module */
+ InitCmdLine (&argc, &argv, "cc65");
- /* Initialize the output file name */
- out_name [0] = '\0';
+ /* Initialize the default segment names */
+ InitSegNames ();
- fin = NULL;
+ /* Initialize the include search paths */
+ InitIncludePaths ();
/* Parse the command line */
- for (i = 1; i < argc; i++) {
- if (*(argp = argv[i]) == '-') {
- switch (argp[1]) {
+ I = 1;
+ while (I < ArgCount) {
- case 'd': /* debug mode */
- Debug = 1;
+ const char* P;
+
+ /* Get the argument */
+ const char* Arg = ArgVec[I];
+
+ /* Check for an option */
+ if (Arg[0] == '-') {
+
+ switch (Arg[1]) {
+
+ case '-':
+ LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
+ break;
+
+ case 'd':
+ OptDebug (Arg, 0);
break;
case 'h':
case '?':
- usage (EXIT_SUCCESS);
+ OptHelp (Arg, 0);
break;
case 'g':
- DebugInfo = 1;
+ OptDebugInfo (Arg, 0);
break;
case 'j':
- SignedChars = 1;
- break;
+ OptSignedChars (Arg, 0);
+ break;
- case 'o':
- strcpy (out_name, GetArg (&i, argv, 2));
+ case 'o':
+ SetOutputName (GetArg (&I, 2));
break;
+ case 'r':
+ OptRegisterVars (Arg, 0);
+ break;
+
case 't':
- SetSys (GetArg (&i, argv, 2));
+ OptTarget (Arg, GetArg (&I, 2));
break;
- case 'v':
- ++Verbose;
+ case 'u':
+ OptCreateDep (Arg, 0);
break;
- case 'A':
- ANSI = 1;
+ case 'v':
+ OptVerbose (Arg, 0);
break;
case 'C':
- p = argp + 2;
- while (*p) {
- switch (*p++) {
- case 'l':
- LocalsAreStatic = 1;
- break;
- }
+ P = Arg + 2;
+ while (*P) {
+ switch (*P++) {
+ case 'l':
+ OptStaticLocals (Arg, 0);
+ break;
+ default:
+ UnknownOption (Arg);
+ break;
+ }
}
break;
case 'D':
- DefineSym (GetArg (&i, argv, 2));
+ DefineSym (GetArg (&I, 2));
break;
- case 'I':
- AddIncludePath (GetArg (&i, argv, 2), INC_SYS | INC_USER);
- break;
+ case 'E':
+ PreprocessOnly = 1;
+ break;
+
+ case 'I':
+ OptIncludeDir (Arg, GetArg (&I, 2));
+ break;
case 'O':
- Optimize = 1;
- p = argp + 2;
- while (*p) {
- switch (*p++) {
- case 'f':
- sscanf (p, "%lx", (long*) &OptDisable);
- break;
- case 'i':
- FavourSize = 0;
- break;
- case 'r':
- EnableRegVars = 1;
- break;
- case 's':
- InlineStdFuncs = 1;
- break;
- }
- }
- break;
+ IS_Set (&Optimize, 1);
+ P = Arg + 2;
+ while (*P) {
+ switch (*P++) {
+ case 'i':
+ IS_Set (&CodeSizeFactor, 200);
+ break;
+ case 'r':
+ IS_Set (&EnableRegVars, 1);
+ break;
+ case 's':
+ IS_Set (&InlineStdFuncs, 1);
+ break;
+ }
+ }
+ break;
+
+ case 'T':
+ OptAddSource (Arg, 0);
+ break;
+
+ case 'V':
+ OptVersion (Arg, 0);
+ break;
+
+ case 'W':
+ OptWarning (Arg, GetArg (&I, 2));
+ break;
+
+ default:
+ UnknownOption (Arg);
+ break;
+ }
+ } else {
+ if (InputFile) {
+ fprintf (stderr, "additional file specs ignored\n");
+ } else {
+ InputFile = Arg;
+ }
+ }
- case 'T':
- IncSource = 1;
- break;
+ /* Next argument */
+ ++I;
+ }
- case 'V':
- fprintf (stderr, "cc65 V%u.%u.%u\n",
- VER_MAJOR, VER_MINOR, VER_PATCH);
- break;
+ /* Did we have a file spec on the command line? */
+ if (InputFile == 0) {
+ AbEnd ("No input files");
+ }
- case 'W':
- NoWarn = 1;
- break;
+ /* Create the output file name if it was not explicitly given */
+ MakeDefaultOutputName (InputFile);
- default:
- fprintf (stderr, "Invalid option %s\n", argp);
- usage (EXIT_FAILURE);
- }
- } else {
- if (fin) {
- fprintf (stderr, "additional file specs ignored\n");
- } else {
- fin = xstrdup (argp);
- inp = fopen (fin, "r");
- if (inp == 0) {
- Fatal (FAT_CANNOT_OPEN_INPUT, strerror (errno));
- }
- }
- }
+ /* If no CPU given, use the default CPU for the target */
+ if (CPU == CPU_UNKNOWN) {
+ if (Target != TGT_UNKNOWN) {
+ CPU = GetTargetProperties (Target)->DefaultCPU;
+ } else {
+ CPU = CPU_6502;
+ }
}
- if (!fin) {
- fprintf (stderr, "%s: No input files\n", argv [0]);
- exit (EXIT_FAILURE);
+
+ /* If no memory model was given, use the default */
+ if (MemoryModel == MMODEL_UNKNOWN) {
+ SetMemoryModel (MMODEL_NEAR);
}
- /* Create the output file name. We should really have
- * some checks for string overflow, but I'll drop this because of the
- * additional code size it would need (as in other places). Sigh.
- */
- if (out_name [0] == '\0') {
- /* No output name given, create default */
- strcpy (out_name, fin);
- if ((p = strrchr (out_name, '.'))) {
- *p = '\0';
- }
- strcat (out_name, ".s");
+ /* If no language standard was given, use the default one */
+ if (IS_Get (&Standard) == STD_UNKNOWN) {
+ IS_Set (&Standard, STD_DEFAULT);
}
/* Go! */
- Compile ();
+ Compile (InputFile);
/* Create the output file if we didn't had any errors */
- if (ErrorCount == 0 || Debug) {
-
- FILE* F;
+ if (PreprocessOnly == 0 && (ErrorCount == 0 || Debug)) {
- /* Optimize the output if requested */
- if (Optimize) {
- OptDoOpt ();
- }
+ /* Emit literals, externals, do cleanup and optimizations */
+ FinishCompile ();
- /* Open the file */
- F = fopen (out_name, "w");
- if (F == 0) {
- Fatal (FAT_CANNOT_OPEN_OUTPUT, strerror (errno));
- }
+ /* Open the file */
+ OpenOutputFile ();
- /* Write the output to the file */
- WriteOutput (F);
+ /* Write the output to the file */
+ WriteAsmOutput ();
+ Print (stdout, 1, "Wrote output to `%s'\n", OutputFilename);
/* Close the file, check for errors */
- if (fclose (F) != 0) {
- remove (out_name);
- Fatal (FAT_CANNOT_WRITE_OUTPUT);
- }
+ CloseOutputFile ();
+
+ /* Create dependencies if requested */
+ CreateDependencies ();
}
/* Return an apropriate exit code */
}
+
projects / cc65 / blobdiff