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magic/utils/main.c

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/*
* main.c --
*
* The topmost module of the Magic VLSI tool. This module
* initializes the other modules and then calls the 'textio'
* module to read and execute commands.
*
* *********************************************************************
* * Copyright (C) 1985, 1990 Regents of the University of California. *
* * Permission to use, copy, modify, and distribute this *
* * software and its documentation for any purpose and without *
* * fee is hereby granted, provided that the above copyright *
* * notice appear in all copies. The University of California *
* * makes no representations about the suitability of this *
* * software for any purpose. It is provided "as is" without *
* * express or implied warranty. Export of this software outside *
* * of the United States of America may require an export license. *
* *********************************************************************
*/
#ifndef lint
static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/utils/main.c,v 1.2 2008/02/07 17:33:19 tim Exp $";
#endif /* not lint */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/times.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include "tcltk/tclmagic.h"
#include "utils/main.h"
#include "utils/magic.h"
#include "utils/malloc.h"
#include "utils/magsgtty.h"
#include "utils/hash.h"
#include "utils/macros.h"
#include "textio/textio.h"
#include "utils/geometry.h"
#include "textio/txcommands.h"
#include "tiles/tile.h"
#include "utils/tech.h"
#include "database/database.h"
#include "drc/drc.h"
#include "windows/windows.h"
#include "graphics/graphics.h"
#include "dbwind/dbwind.h"
#include "commands/commands.h"
#include "utils/signals.h"
#include "utils/utils.h"
#include "utils/runstats.h"
#include "cif/cif.h"
#ifdef ROUTE_MODULE
#include "router/router.h"
#endif
#ifdef LEF_MODULE
#include "lef/lef.h"
#endif
#include "extract/extract.h"
#include "utils/undo.h"
#include "netmenu/netmenu.h"
#include "plow/plow.h"
#include "utils/paths.h"
#include "wiring/wiring.h"
#ifdef PLOT_MODULE
#include "plot/plot.h"
#endif
#include "sim/sim.h"
#include "utils/list.h"
#ifdef ROUTE_MODULE
#include "mzrouter/mzrouter.h"
#endif
#ifdef SCHEME_INTERPRETER
#include "lisp/lisp.h"
#endif
#ifdef THREE_D
#include "graphics/wind3d.h"
#endif
/* C99 compat */
#include "utils/utils.h"
#include "utils/tech.h"
#include "commands/commands.h"
#include "dbwind/dbwind.h"
#include "cmwind/cmwind.h"
#include "extract/extract.h"
#include "plow/plow.h"
#include "select/select.h"
#include "irouter/irouter.h"
#include "lef/lefInt.h"
/*
* Global data structures
*
*/
global char *Path = NULL; /* Search path */
global char *CellLibPath = NULL; /* Used to find cells. */
global char *SysLibPath = NULL; /* Used to find color maps, styles, */
/* technologies, etc. */
/*
* Flag that tells if various options have been set on the command line
* (see utils.h for explanation of individual flags).
*/
global short RuntimeFlags = MAIN_MAKE_WINDOW;
/*
* See the file main.h for a description of the information kept
* pertaining to the edit cell.
*/
global CellUse *EditCellUse = NULL;
global CellDef *EditRootDef = NULL;
global Transform EditToRootTransform;
global Transform RootToEditTransform;
/*
* data structures local to main.c
*
*/
/* the filename specified on the command line */
static char *MainFileName = NULL;
/* RC file specified on the command line */
static char *RCFileName = NULL;
/* Definition of file types that magic can read */
#define FN_MAGIC_DB 0
#define FN_LEF_FILE 1
#define FN_DEF_FILE 2
#define FN_GDS_FILE 3
#define FN_CIF_FILE 4
#define FN_TCL_SCRIPT 5
/* List of filenames specified on the command line */
typedef struct filename {
char *fn;
unsigned char fn_type;
struct filename *fn_prev;
} FileName;
FileName *CurrentName;
/* tech name specified on the command line */
static char *TechDefault = NULL;
/* the filename for the graphics and mouse ports */
global char *MainGraphicsFile = NULL;
global char *MainMouseFile = NULL;
/* information about the color display. */
global char *MainDisplayType = NULL;
global char *MainMonType = NULL;
/* Copyright notice for the binary file. */
global char *MainCopyright = "\n--- MAGIC: Copyright (C) 1985, 1990 "
"Regents of the University of California. ---\n";
/* Forward declarations */
char *mainArg();
/*
* ----------------------------------------------------------------------------
* MainExit:
*
* Magic's own exit procedure
*
* Results:
* None.
*
* Side effects:
* We exit.
* ----------------------------------------------------------------------------
*/
void
MainExit(errNum)
int errNum;
{
#ifdef MOCHA
MochaExit(errNum);
#endif
if (GrClosePtr != NULL) /* We are not guarenteed that everthing will
* be initialized already!
*/
GrClose();
DBRemoveBackup();
TxFlush();
TxResetTerminal(FALSE); /* set also atexit() handler */
#ifdef MAGIC_WRAPPER
// NOTE: This needs to be done in conjunction with the following
// commands in the console:
// (1) tkcon eval rename ::exit ::quit
// (2) tkcon eval proc::exit args {slave eval quit}
//
// The lines above redirect tkcon's "exit" routine to be named
// "quit" (in the console, not the slave!). Because the tkcon
// File->Exit callback is set to eval "exit", we then can create
// a new proc called "exit" in the console that runs "quit" in
// the slave (magic), and will therefore do the usual checks to
// save work before exiting; if all responses are to exit without
// saving, then it finally gets to here, where it runs the (renamed)
// "quit" command in tkcon. That will ensure that tkcon runs
// various cleanup activities such as saving the command-line
// history file before the final (!) exit.
if (TxTkConsole)
Tcl_Eval(magicinterp, "catch {tkcon eval quit}\n");
#endif
exit(errNum);
}
/*
* ----------------------------------------------------------------------------
*
* mainDoArgs:
*
* Process command line arguments
*
* Results:
* Return 0 on success, 1 on failure
*
* Side effects:
* Global variables are modified
*
* Notes:
* In order to work properly with the -F flag, we need to
* use StrDup() to make copies of any arguments we want
* to be visible when we restart a frozen file.
*
* ----------------------------------------------------------------------------
*/
int
mainDoArgs(argc, argv)
int argc;
char **argv;
{
bool haveDashI = FALSE;
char *cp;
/* Startup filename (may be changed with the "-rcfile" option or */
/* the "-norcfile" option). */
RCFileName = StrDup((char **) NULL, ".magicrc");
while (--argc > 0)
{
argv++;
if (**argv == '-')
{
switch (argv[0][1])
{
case 'g':
if ((cp = mainArg(&argc, &argv, "tty name")) == NULL)
return 1;
MainGraphicsFile = StrDup((char **) NULL, cp);
if (!haveDashI)
MainMouseFile = MainGraphicsFile;
break;
case 'i':
haveDashI = TRUE;
if ((cp = mainArg(&argc, &argv, "tty name")) == NULL)
return 1;
MainMouseFile = StrDup((char **) NULL, cp);
break;
case 'd':
if ((cp = mainArg(&argc, &argv, "display type")) ==NULL)
return 1;
MainDisplayType = StrDup((char **) NULL, cp);
break;
case 'm':
if ((cp = mainArg(&argc, &argv, "monitor type")) ==NULL)
return 1;
MainMonType = StrDup((char **) NULL, cp);
break;
/*
* Declare the technology.
*/
case 'T':
if ((cp = mainArg(&argc, &argv, "technology")) == NULL)
return 1;
TechDefault = StrDup((char **) NULL, cp);
TechOverridesDefault = TRUE;
break;
/*
* -r or -re or -recover: Recover a crash file.
* -rc or -rcfile: Declare a specific startup file to read.
*/
case 'r':
if ((strlen(argv[0]) <= 2) || argv[0][2] == 'e')
RuntimeFlags |= MAIN_RECOVER;
else if ((argc > 1) && (argv[0][2] == 'c'))
{
argv[0][2] = '\0';
if ((cp = mainArg(&argc, &argv, "startup file")) == NULL)
return 1;
RCFileName = StrDup((char **) NULL, cp);
}
else
{
TxError("Unknown option: '%s'\n", *argv);
return 1;
}
break;
/*
* We are being debugged.
*/
case 'D':
RuntimeFlags |= MAIN_DEBUG;
break;
#ifdef MAGIC_WRAPPER
/*
* "-w" for wrapper * implies -nowindow (no initial window)
*/
case 'w':
RuntimeFlags &= ~MAIN_MAKE_WINDOW;
break;
/*
* No initial window / no console options / no startup file read.
*/
case 'n':
if (strlen(argv[0]) < 4)
{
TxError("Ambiguous option %s: use -nowindow, -noconsole, "
"or -norcfile\n", argv[0]);
return 1;
}
else if (argv[0][3] == 'c')
RuntimeFlags &= ~MAIN_TK_CONSOLE;
else if (argv[0][3] == 'w')
RuntimeFlags &= ~MAIN_MAKE_WINDOW;
else if (argv[0][3] == 'r')
{
freeMagic(RCFileName);
RCFileName = NULL;
}
else
{
TxError("Unknown option: '%s'\n", *argv);
return 1;
}
break;
#endif
default:
TxError("Unknown option: '%s'\n", *argv);
TxError("Usage: magic [-g gPort] [-d devType] [-m monType] "
"[-i tabletPort] [-D] [-F objFile saveFile]\n"
"[-T technology] [-rcfile startupFile | -norcfile]"
#ifdef MAGIC_WRAPPER
"[-noconsole] [-nowindow] [-wrapper] "
#endif
"[file]\n");
return 1;
}
}
else if (MakeMainWindow)
{
if (MainFileName == NULL) {
MainFileName = StrDup((char **) NULL, *argv);
CurrentName = (FileName *) mallocMagic(sizeof(FileName));
CurrentName->fn = MainFileName;
CurrentName->fn_prev = (FileName *) NULL;
CurrentName->fn_type = FN_MAGIC_DB;
}
else
{
FileName *temporary;
temporary = (FileName *) mallocMagic(sizeof(FileName));
temporary->fn = StrDup((char **) NULL, *argv);
temporary->fn_prev = CurrentName;
temporary->fn_type = FN_MAGIC_DB;
CurrentName = temporary;
}
/* Remove suffix if the file name already has it */
{
char *c,*d;
for(c = CurrentName->fn; (*c) != '\0'; c++);
for(d = DBSuffix; (*d) != '\0'; d++);
while( (*c) == (*d) ) {
if (c == MainFileName) break;
if (d == DBSuffix) {
(*c) = '\0';
break;
}
c--;
d--;
}
// Additional checks
if ((c = strrchr(CurrentName->fn, '.')) != NULL)
{
#ifdef LEF_MODULE
if (!strcasecmp(c, ".lef"))
CurrentName->fn_type = FN_LEF_FILE;
else if (!strcasecmp(c, ".def"))
CurrentName->fn_type = FN_DEF_FILE;
#endif
#ifdef CIF_MODULE
if (!strcasecmp(c, ".cif"))
CurrentName->fn_type = FN_CIF_FILE;
else if (!strncasecmp(c, ".gds", 3))
CurrentName->fn_type = FN_GDS_FILE;
#endif
#ifdef MAGIC_WRAPPER
if (!strcasecmp(c, ".tcl"))
{
CurrentName->fn_type = FN_TCL_SCRIPT;
/* Behavior: If a .tcl file is passed on the
* command line, then all following arguments
* are assumed to be arguments of the script,
* and not to be processed as additional
* input file types.
*/
break;
}
#endif
}
}
}
}
return 0;
}
/*
* ----------------------------------------------------------------------------
*
* mainArg --
*
* Pull off an argument from the (argc, argv) pair and also check
* to make sure it's not another flag (i.e, it doesn't begin with
* a '-').
*
* Results:
* Return pointer to the argument string.
*
* Side effects:
* See the comments in ArgStr() in the utils module -- they
* apply here.
*
* ----------------------------------------------------------------------------
*/
char *
mainArg(pargc, pargv, mesg)
int *pargc;
char ***pargv;
char *mesg;
{
char option, *cp;
option = (*pargv)[0][1];
cp = ArgStr(pargc, pargv, mesg);
if (cp == NULL)
return (char *) NULL;
if (*cp == '-')
{
TxError("Bad name after '-%c' option: '%s'\n", option, cp);
return (char *) NULL;
}
return cp;
}
/*
* ----------------------------------------------------------------------------
* mainInitBeforeArgs:
*
* Initializes things before argument processing.
*
* Results:
* 0 on success. As written, there are no failure modes.
*
* Side effects:
* All sorts of initialization. Most initialization, however, is done
* in 'mainInitAfterArgs'.
* ----------------------------------------------------------------------------
*/
int
mainInitBeforeArgs(argc, argv)
int argc;
char *argv[];
{
TechOverridesDefault = FALSE;
if (Path == NULL)
Path = StrDup((char **) NULL, ".");
/* initialize text display */
TxInit();
TxSetTerminal();
#ifdef SCHEME_INTERPRETER
/* Initialize Lisp module. (rajit@cs.caltch.edu) */
LispInit();
#endif
/*
* Get preliminary info on the graphics display.
* This may be overriden later.
*/
GrGuessDisplayType(&MainGraphicsFile, &MainMouseFile,
&MainDisplayType, &MainMonType);
FindDisplay((char *)NULL, "displays", CAD_LIB_PATH, &MainGraphicsFile,
&MainMouseFile, &MainDisplayType, &MainMonType);
return 0;
}
/*
* ----------------------------------------------------------------------------
* mainInitAfterArgs:
*
* Initializes things after argument processing.
*
* Results:
* Status: 0 = success, 1 = failure to set graphics display,
* 2 = failure to load technology file.
*
* Side effects:
* All sorts of initialization.
* ----------------------------------------------------------------------------
*/
int
mainInitAfterArgs()
{
int (*nullProc)() = 0;
SectionID sec_tech, sec_planes, sec_types, sec_aliases;
SectionID sec_styles;
SectionID sec_connect, sec_contact, sec_compose;
SectionID sec_cifinput, sec_cifoutput;
SectionID sec_drc, sec_extract, sec_wiring, sec_router;
SectionID sec_plow, sec_plot, sec_mzrouter;
DBTypeInit();
MacroInit();
#ifdef LEF_MODULE
/* Pre-techfile-loading intialization of the LEF module */
LefInit();
#endif
#ifdef OPENACCESS
OAInit();
#endif
/*
* Setup path names for system directory searches
*/
StrDup(&SysLibPath, MAGIC_SYS_PATH);
/*
* Historic behavior: Expect to search for cells in a directory
* inside the install area with the same name as the technology.
* Deprecated but kept for backwards compatibility. If directory
* does not exist, it will be ignored.
*/
if (TechFileName != NULL)
{
CellLibPath = (char *)mallocMagic(strlen(MAGIC_LIB_PATH_FORMAT)
+ strlen(TechFileName) - 1);
sprintf(CellLibPath, MAGIC_LIB_PATH_FORMAT, TechFileName);
PaAppend(&CellLibPath, MAGIC_LIB_PATH_DEFAULT);
}
else if ((TechDefault != NULL) && TechOverridesDefault)
{
CellLibPath = (char *)mallocMagic(strlen(MAGIC_LIB_PATH_FORMAT)
+ strlen(TechDefault) - 1);
sprintf(CellLibPath, MAGIC_LIB_PATH_FORMAT, TechDefault);
PaAppend(&CellLibPath, MAGIC_LIB_PATH_DEFAULT);
}
else
StrDup(&CellLibPath, MAGIC_LIB_PATH_DEFAULT);
if (MainGraphicsFile == NULL) MainGraphicsFile = "/dev/null";
if (MainMouseFile == NULL) MainMouseFile = MainGraphicsFile;
#ifdef MAGIC_WRAPPER
/* Check for batch mode operation and disable interrupts in */
/* batch mode by not calling SigInit(). */
if (Tcl_GetVar(magicinterp, "batch_mode", TCL_GLOBAL_ONLY) != NULL)
SigInit(1);
else
#endif
/* catch signals, must come after mainDoArgs & before SigWatchFile */
SigInit(0);
/* set up graphics */
if ( !GrSetDisplay(MainDisplayType, MainGraphicsFile, MainMouseFile) )
{
return 1;
}
/* initialize technology */
TechInit();
TechAddClient("tech", DBTechInit, DBTechSetTech, nullProc,
(SectionID) 0, &sec_tech, FALSE);
TechAddClient("version", DBTechInitVersion, DBTechSetVersion, nullProc,
(SectionID) 0, (int *)0, TRUE);
TechAddClient("planes", DBTechInitPlane, DBTechAddPlane, nullProc,
(SectionID) 0, &sec_planes, FALSE);
TechAddClient("types", DBTechInitType, DBTechAddType, DBTechFinalType,
sec_planes, &sec_types, FALSE);
TechAddClient("styles", nullProc, DBWTechAddStyle, nullProc,
sec_types, &sec_styles, FALSE);
TechAddClient("contact", DBTechInitContact,
DBTechAddContact, DBTechFinalContact,
sec_types|sec_planes, &sec_contact, FALSE);
TechAddAlias("contact", "images");
TechAddClient("aliases", nullProc, DBTechAddAlias, nullProc,
sec_planes|sec_types|sec_contact, &sec_aliases, TRUE);
TechAddClient("compose", DBTechInitCompose,
DBTechAddCompose, DBTechFinalCompose,
sec_types|sec_planes|sec_contact, &sec_compose, FALSE);
TechAddClient("connect", DBTechInitConnect,
DBTechAddConnect, DBTechFinalConnect,
sec_types|sec_planes|sec_contact, &sec_connect, FALSE);
#ifdef CIF_MODULE
TechAddClient("cifoutput", CIFTechStyleInit, CIFTechLine, CIFTechFinal,
(SectionID) 0, &sec_cifoutput, FALSE);
TechAddClient("cifinput", CIFReadTechStyleInit, CIFReadTechLine,
CIFReadTechFinal, (SectionID) 0, &sec_cifinput, FALSE);
#else
TechAddClient("cifoutput", nullProc,nullProc,nullProc,
(SectionID) 0, &sec_cifoutput, FALSE);
TechAddClient("cifinput", nullProc,nullProc,nullProc,
(SectionID) 0, &sec_cifinput, FALSE);
#endif
#ifdef ROUTE_MODULE
TechAddClient("mzrouter", MZTechInit, MZTechLine, MZTechFinal,
sec_types|sec_planes, &sec_mzrouter, TRUE);
#else
TechAddClient("mzrouter", nullProc,nullProc,nullProc,
sec_types|sec_planes, &sec_mzrouter, TRUE);
#endif
TechAddClient("drc", DRCTechStyleInit, DRCTechLine, DRCTechFinal,
sec_types|sec_planes, &sec_drc, FALSE);
/* Plow rules are generated from the same lines as the DRC rules */
TechAddClient("drc", PlowDRCInit, PlowDRCLine, PlowDRCFinal,
sec_types|sec_planes, &sec_drc, FALSE);
#ifdef LEF_MODULE
TechAddClient("lef", LefTechInit, LefTechLine, nullProc,
sec_types|sec_planes, (SectionID *) 0, TRUE);
#endif
#ifdef NO_EXT
TechAddClient("extract", nullProc, nullProc,nullProc,
sec_types|sec_connect, &sec_extract, FALSE);
#else
TechAddClient("extract", nullProc, ExtTechLine, ExtTechFinal,
sec_types|sec_connect, &sec_extract, FALSE);
#endif
TechAddClient("wiring", WireTechInit, WireTechLine, WireTechFinal,
sec_types, &sec_wiring, TRUE);
#ifdef ROUTE_MODULE
TechAddClient("router", RtrTechInit, RtrTechLine, RtrTechFinal,
sec_types, &sec_router, TRUE);
#else
TechAddClient("router", nullProc,nullProc,nullProc,
sec_types, &sec_router, TRUE);
#endif
TechAddClient("plowing", PlowTechInit, PlowTechLine, PlowTechFinal,
sec_types|sec_connect|sec_contact, &sec_plow, TRUE);
#ifdef PLOT_MODULE
TechAddClient("plot", PlotTechInit, PlotTechLine, PlotTechFinal,
sec_types, &sec_plot, TRUE);
#else
TechAddClient("plot", nullProc,nullProc,nullProc,
sec_types, &sec_plot, TRUE);
#endif
/* Load minimum technology file needed to keep things from */
/* crashing during initialization. */
if (!TechLoad("minimum", 0))
{
TxError("Cannot load technology \"minimum\" for initialization\n");
return 2;
}
/* The minimum tech has been loaded only to keep the database from */
/* becoming corrupted during initialization. Free the tech file */
/* name so that a "real" technology file can be forced to replace */
/* it in mainInitFinal(). */
if (TechFileName != NULL)
{
freeMagic(TechFileName);
TechFileName = NULL;
}
/* initialize the undo package */
(void) UndoInit((char *) NULL, (char *) NULL);
/* initialize windows */
WindInit();
/* initialize commands */
CmdInit();
/* Initialize the interface between windows and its clients */
DBWinit();
#ifdef USE_READLINE
TxInitReadline();
#endif
CMWinit();
#ifdef THREE_D
W3Dinit();
#endif
/* Initialize the circuit extractor */
#ifndef NO_EXT
ExtInit();
#endif
/* Initialize plowing */
PlowInit();
/* Initialize selection */
SelectInit();
/* Initialize the wiring module */
WireInit();
#ifdef ROUTE_MODULE
/* Initialize the netlist menu */
NMinit();
#endif
/* Initialize the design-rule checker */
DRCInit();
/* Initialize the maze router */
#ifdef ROUTE_MODULE
MZInit();
/* Initialize the interactive router -
* NOTE the mzrouter must be initialized prior to the irouter
* so that default parameters will be completely setup
*/
IRDebugInit();
IRAfterTech();
#endif
/* Initialize the Sim Module (the part of it which involves (i)rsim) */
#if !defined(NO_SIM_MODULE) && defined(RSIM_MODULE)
SimInit();
#endif
TxSetPoint(GR_CURSOR_X, GR_CURSOR_Y, WIND_UNKNOWN_WINDOW);
return 0;
}
/*
* Tcl_SetExitProc() was removed in TCL9 and used to perform this function
* see: https://core.tcl-lang.org/tips/doc/trunk/tip/512.md
*
* Note this change will slightly alter the order, the termios restore will
* not longer be performed before exit() is called.
*
* The default Tcl_Exit() does manage calling exit(status) by default.
* This assumes TxResetTerminal() will only attempt a restore if state
* was saved.
* TxResetTerminal() does not do anything if TxTkConsole is set that appears
* to be the popup shell window.
*/
static void atexit_exit_hook(void)
{
TxResetTerminal(TRUE);
}
/*
* ----------------------------------------------------------------------------
* mainInitFinal:
*
* Final initialization; reads startup files and any initial file
* specified.
*
* Results:
* Return 0 on success. As written, there is no failure mode.
*
* Side effects:
* All sorts of initialization.
* ----------------------------------------------------------------------------
*/
int
mainInitFinal()
{
char *home, cwd[512];
char startupFileName[256];
FILE *f;
char *rname;
int result;
#ifdef MAGIC_WRAPPER
/* Reset terminal if exit is called inside a TCL script */
atexit(atexit_exit_hook);
/* Read in system pre-startup file, if it exists. */
/* Use PaOpen first to perform variable substitutions, and */
/* return the actual filename in rname. */
f = PaOpen(MAGIC_PRE_DOT, "r", (char *) NULL, ".",
(char *) NULL, (char **) &rname);
if (f != NULL)
{
fclose(f);
result = Tcl_EvalFile(magicinterp, rname);
if (result != TCL_OK)
{
TxError("Error parsing pre-startup file \"%s\": %s\n", rname,
Tcl_GetStringResult(magicinterp));
Tcl_ResetResult(magicinterp);
}
}
#endif /* MAGIC_WRAPPER */
// Make a first attempt to load the technology if specified on the
// command line with the -T option. This will preempt most other
// ways that the technology file is determined. If the technology
// specified cannot be loaded, then the forced override is revoked.
if ((TechFileName == NULL) && (TechDefault != NULL) && TechOverridesDefault)
{
if (!TechLoad(TechDefault, -2))
{
TxError("Failed to load technology \"%s\"\n", TechDefault);
TechOverridesDefault = FALSE;
}
else if (!TechLoad(TechDefault, 0))
{
TxError("Error loading technology \"%s\"\n", TechDefault);
TechOverridesDefault = FALSE;
}
}
#ifndef MAGIC_WRAPPER
// Let the wrapper script be responsible for formatting and
// printing the technology file informaiton.
if (DBTechName != 0) {
TxPrintf("Using technology \"%s\"", DBTechName);
if (DBTechVersion != 0) TxPrintf(", version %s.", DBTechVersion);
TxPrintf("\n");
}
if (DBTechDescription != 0) TxPrintf("%s\n", DBTechDescription);
#endif
#ifdef MAGIC_WRAPPER
/* Read in system startup file, if it exists. */
/* Use PaOpen first to perform variable substitutions, and */
/* return the actual filename in rname. */
f = PaOpen(MAGIC_SYS_DOT, "r", (char *) NULL, ".",
(char *) NULL, (char **) &rname);
if (f != NULL)
{
fclose(f);
result = Tcl_EvalFile(magicinterp, rname);
if (result != TCL_OK)
{
TxError("Error parsing system startup file \"%s\": %s\n", rname,
Tcl_GetStringResult(magicinterp));
Tcl_ResetResult(magicinterp);
}
}
#else /* !MAGIC_WRAPPER */
f = PaOpen(MAGIC_SYS_DOT, "r", (char *) NULL, ".",
(char *) NULL, (char **) NULL);
if (f != NULL)
{
TxDispatch(f);
(void) fclose(f);
}
#endif /* !MAGIC_WRAPPER */
/*
* Strive for a wee bit more parallelism; let the graphics
* display run while we're reading in startup files & initial cell.
*/
GrFlush();
/* Ignore this whole section if we have received the -norc option */
if (RCFileName != NULL)
{
/* Read in user's startup files, if there are any. */
/* If the "-rcfile" option has been used, and it doesn't specify */
/* a full path, then look for this file in the home directory too. */
home = getenv("HOME");
#ifdef MAGIC_WRAPPER
if (home != NULL && (RCFileName[0] != '/'))
{
Tcl_Channel fc;
(void) sprintf(startupFileName, "%s/%s", home, RCFileName);
fc = Tcl_OpenFileChannel(magicinterp, startupFileName, "r", 0);
if (fc != NULL)
{
Tcl_Close(magicinterp, fc);
result = Tcl_EvalFile(magicinterp, startupFileName);
if (result != TCL_OK)
{
TxError("Error parsing user \"%s\": %s\n", RCFileName,
Tcl_GetStringResult(magicinterp));
Tcl_ResetResult(magicinterp);
}
}
else
{
/* Try the (deprecated) name ".magic" */
(void) sprintf(startupFileName, "%s/.magic", home);
fc = Tcl_OpenFileChannel(magicinterp, startupFileName, "r", 0);
if (fc != NULL)
{
TxPrintf("Note: Use of the file name \"~/.magic\" is deprecated."
" Please change this to \"~/.magicrc\".\n");
Tcl_Close(magicinterp, fc);
result = Tcl_EvalFile(magicinterp, startupFileName);
if (result != TCL_OK)
{
TxError("Error parsing user \".magic\": %s\n",
Tcl_GetStringResult(magicinterp));
Tcl_ResetResult(magicinterp);
}
}
}
}
if (getcwd(cwd, 512) == NULL || strcmp(cwd, home) || (RCFileName[0] == '/'))
{
/* Read in the .magicrc file from the current directory, if */
/* different from HOME. */
Tcl_Channel fc;
fc = Tcl_OpenFileChannel(magicinterp, RCFileName, "r", 0);
if (fc != NULL)
{
Tcl_Close(magicinterp, fc);
result = Tcl_EvalFile(magicinterp, RCFileName);
if (result != TCL_OK)
{
// Print error message but continue anyway
TxError("Error parsing \"%s\": %s\n", RCFileName,
Tcl_GetStringResult(magicinterp));
Tcl_ResetResult(magicinterp);
TxPrintf("Bad local startup file \"%s\", continuing without.\n",
RCFileName);
}
}
else
{
/* Try the (deprecated) name ".magic" */
Tcl_ResetResult(magicinterp);
fc = Tcl_OpenFileChannel(magicinterp, ".magic", "r", 0);
if (fc != NULL)
{
Tcl_Close(magicinterp, fc);
TxPrintf("Note: Use of the file name \".magic\" is deprecated."
" Please change this to \".magicrc\".\n");
result = Tcl_EvalFile(magicinterp, ".magic");
if (result != TCL_OK)
{
// Print error message but continue anyway
TxError("Error parsing local \".magic\": %s\n",
Tcl_GetStringResult(magicinterp));
Tcl_ResetResult(magicinterp);
TxPrintf("Bad local startup file \".magic\","
" continuing without.\n");
}
}
else
{
/* Try the alternative name "magic_setup" */
Tcl_ResetResult(magicinterp);
fc = Tcl_OpenFileChannel(magicinterp, "magic_setup", "r", 0);
if (fc != NULL)
{
Tcl_Close(magicinterp, fc);
result = Tcl_EvalFile(magicinterp, "magic_setup");
if (result != TCL_OK)
{
TxError("Error parsing local \"magic_setup\": %s\n",
Tcl_GetStringResult(magicinterp));
TxError("%s\n", Tcl_GetStringResult(magicinterp));
Tcl_ResetResult(magicinterp); // Still not an error
TxPrintf("Bad local startup file \"magic_setup\","
" continuing without.\n");
}
}
}
}
}
#else /* !MAGIC_WRAPPER */
if (home != NULL && (RCFileName[0] != '/'))
{
(void) sprintf(startupFileName, "%s/%s", home, RCFileName);
f = PaOpen(startupFileName, "r", (char *) NULL, ".",
(char *) NULL, (char **) NULL);
if ((f == NULL) && (!strcmp(RCFileName, ".magicrc")))
{
/* Try the (deprecated) name ".magic" */
(void) sprintf(startupFileName, "%s/.magic", home);
f = PaOpen(startupFileName, "r", (char *) NULL, ".",
(char *) NULL, (char **) NULL);
if (f != NULL)
TxPrintf("Note: Use of the file name \"~/.magic\" is deprecated."
" Please change this to \"~/.magicrc\".\n");
}
if (f != NULL)
{
TxDispatch(f);
(void) fclose(f);
}
}
/* Read in any startup file in the current directory, or one that was */
/* specified on the commandline by the "-rcfile <name>" option. */
f = PaOpen(RCFileName, "r", (char *) NULL, ".",
(char *) NULL, (char **) NULL);
/* Again, check for the deprecated name ".magic" */
if (f == NULL)
{
if (!strcmp(RCFileName, ".magicrc"))
{
f = PaOpen(".magic", "r", (char *) NULL, ".",
(char *) NULL, (char **) NULL);
if (f != NULL)
TxPrintf("Note: Use of the file name \"./.magic\" is deprecated."
" Please change this to \"./.magicrc\".\n");
else
f = PaOpen("magic_setup", "r", (char *) NULL, ".",
(char *) NULL, (char **) NULL);
}
else
TxError("Startup file \"%s\" not found or unreadable!\n", RCFileName);
}
if (f != NULL)
{
TxDispatch(f);
fclose(f);
}
#endif /* !MAGIC_WRAPPER */
}
/* We are done forcing the "tech load" command to be ignored */
TechOverridesDefault = FALSE;
/* If no technology has been specified yet, try to read one from
* the initial cell, or else assign a default.
*/
if ((TechFileName == NULL) && (TechDefault == NULL) && (MainFileName != NULL))
StrDup(&TechDefault, DBGetTech(MainFileName));
/* Load the technology file. If any startup file loaded a */
/* technology file, then "TechFileName" will be set, and we */
/* should not override it. */
if ((TechFileName == NULL) && (TechDefault != NULL))
{
if (!TechLoad(TechDefault, -2))
TxError("Failed to load technology \"%s\"\n", TechDefault);
else if (!TechLoad(TechDefault, 0))
TxError("Error loading technology \"%s\"\n", TechDefault);
}
if (TechDefault != NULL)
{
freeMagic(TechDefault);
TechDefault = NULL;
}
/* If that failed, then load the "minimum" technology again and */
/* keep it. It's not very useful, but it will keep everything */
/* up and running. In the worst case, if site.pre has removed the */
/* standard locations from the system path, then magic will exit. */
if (TechFileName == NULL)
if (!TechLoad("minimum", 0))
return -1;
#ifdef SCHEME_INTERPRETER
/* Pass technology name to Lisp interpreter (rajit@cs.caltech.edu) */
LispSetTech (TechFileName);
#endif
/*
* Recover crash files from the temp directory if we have specified
* the -r option on the command line (non-tcl version. Tcl version
* uses the command-line command crashrecover.
*/
if (mainRecover && MakeMainWindow)
{
DBFileRecovery(NULL); /* automatic search most recent */
}
/*
* Bring in a new cell or cells to start up if one was given
* on the command line
*/
else if (MainFileName && MakeMainWindow)
{
FileName *temporary;
while(CurrentName != NULL)
{
temporary = CurrentName;
CurrentName = temporary->fn_prev;
TxPrintf("Loading \"%s\" from command line.\n", temporary->fn);
switch (temporary->fn_type)
{
case FN_MAGIC_DB:
DBWreload(temporary->fn);
break;
#ifdef LEF_MODULE
case FN_LEF_FILE:
LefRead(temporary->fn, FALSE, FALSE, -1);
break;
case FN_DEF_FILE:
DefRead(temporary->fn, FALSE, FALSE, FALSE);
break;
#endif
#ifdef MAGIC_WRAPPER
case FN_TCL_SCRIPT:
result = Tcl_EvalFile(magicinterp, temporary->fn);
if (result != TCL_OK)
{
TxError("Error parsing \"%s\": %s\n",
temporary->fn,
Tcl_GetStringResult(magicinterp));
Tcl_ResetResult(magicinterp);
}
break;
#endif
}
freeMagic(temporary);
}
}
/* Create an initial box. */
if (MakeMainWindow && EditCellUse)
DBWSetBox(EditCellUse->cu_def, &EditCellUse->cu_def->cd_bbox);
/* Set the initial fence for undo-ing: don't want to be able to
* undo past this point.
*/
UndoFlush();
TxClearPoint();
return 0;
}
/*
* ----------------------------------------------------------------------------
* mainFinish:
*
* Finish up things for Magic. This routine is NOT called on an
* error exit.
*
* Results:
* None.
*
* Side effects:
* Various things, such as stopping measurement gathering.
* ----------------------------------------------------------------------------
*/
void
mainFinished()
{
/* Close up things */
MainExit(0);
}
/*---------------------------------------------------------------------------
* magicMain:
*
* Top-level procedure of the Magic Layout System. There is purposely
* not much in here so that we have more flexibility. Also, it is
* not called 'main' so that other programs that use Magic may do
* something else.
*
* Results:
* None.
*
* Side Effects:
* None.
*
* Note: Try not to add code to this procedure. Add it instead to one of the
* procedures that it calls.
*
*----------------------------------------------------------------------------
*/
void
magicMain(argc, argv)
int argc;
char *argv[];
{
int rstatus;
if ((rstatus = mainInitBeforeArgs(argc, argv)) != 0) MainExit(rstatus);
if ((rstatus = mainDoArgs(argc, argv)) != 0) MainExit(rstatus);
if ((rstatus = mainInitAfterArgs()) != 0) MainExit(rstatus);
if ((rstatus = mainInitFinal()) != 0) MainExit(rstatus);
TxDispatch( (FILE *) NULL);
mainFinished();
}
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