ngspice/src/frontend/cpitf.c

475 lines
14 KiB
C

/**********
Copyright 1990 Regents of the University of California. All rights reserved.
Author: 1985 Wayne A. Christopher, U. C. Berkeley CAD Group
***********/
#include "ngspice/ngspice.h"
#include "ngspice/const.h"
#include "ngspice/cpdefs.h"
#include "ngspice/ftedefs.h"
#include "ngspice/dvec.h"
#include "ngspice/fteparse.h"
#include "ngspice/stringskip.h"
#include "cpitf.h"
#include "com_let.h"
#include "com_set.h"
#include "define.h"
#include "misccoms.h"
#include "terminal.h"
#include "completion.h"
#include "variable.h"
/* Set some standard variables and aliases, etc, and init the ccom stuff.
Called by fcn main() */
/* Macros to expand a macro to its value and then quote that value */
#undef stringit
#undef stringit2
#define stringit2(x) #x
#define stringit(x) stringit2(x)
void
ft_cpinit(void)
{
bool found = FALSE, t = TRUE;
char buf[BSIZE_SP], **x, *s, *r, *copys;
struct comm *c;
int i;
FILE *fp;
static char *predefs[] = {
"yes", "1",
"TRUE", "1",
"no", "0",
"FALSE", "0",
"pi", stringit(CONSTpi),
"e", stringit(CONSTnap),
"c", stringit(CONSTc),
"i", "0,1",
"kelvin", stringit(CONSTKtoC_for_str),
"echarge", stringit(CHARGE),
"boltz", stringit(CONSTboltz),
"planck", stringit(CONSTplanck)
};
static char *udfs[] = {
"max(x,y)", "(x gt y) * x + (x le y) * y",
"min(x,y)", "(x lt y) * x + (x ge y) * y",
"vdb(x)", "db(v(x))",
"vdb(x,y)", "db(v(x) - v(y))",
"vi(x)", "im(v(x))",
"vi(x,y)", "im(v(x) - v(y))",
"vm(x)", "mag(v(x))",
"vm(x,y)", "mag(v(x) - v(y))",
"vg(x)", "group_delay(v(x))", //A.Rroldan 10/06/05 group delay new function
"gd(x)", "group_delay(v(x))", //A.Rroldan 10/06/05 group delay new function
"vp(x)", "ph(v(x))",
"vp(x,y)", "ph(v(x) - v(y))",
"vr(x)", "re(v(x))",
"vr(x,y)", "re(v(x) - v(y))"
};
#ifndef SHARED_MODULE
/* if TIOCSTI is defined (not available in MS Windows:
Make escape the break character.
So the user can type ahead...
fcn defined in complete.c. */
cp_ccon(TRUE);
#endif
/* Initialize io, cp_chars[], variable "history" in init.c. */
cp_init();
/* If command completion is available (global variable cp_nocc
set in main.c by command line option -q) */
if (!cp_nocc) {
/* Add commands... */
for (c = cp_coms; c->co_func; c++) {
if (c->co_spiceonly && ft_nutmeg)
continue;
cp_addcomm(c->co_comname,
c->co_cctypes[0], c->co_cctypes[1],
c->co_cctypes[2], c->co_cctypes[3]);
cp_addkword(CT_COMMANDS, c->co_comname);
}
/* And keywords... These are the ones that are constant... */
if (!ft_nutmeg) {
cp_addkword(CT_LISTINGARGS, "deck");
cp_addkword(CT_LISTINGARGS, "logical");
cp_addkword(CT_LISTINGARGS, "physical");
cp_addkword(CT_LISTINGARGS, "expand");
cp_addkword(CT_STOPARGS, "when");
cp_addkword(CT_STOPARGS, "after");
}
cp_addkword(CT_PLOT, "new");
cp_addkword(CT_PLOTKEYWORDS, "xlimit");
cp_addkword(CT_PLOTKEYWORDS, "ylimit");
cp_addkword(CT_PLOTKEYWORDS, "vs");
cp_addkword(CT_PLOTKEYWORDS, "xindices");
cp_addkword(CT_PLOTKEYWORDS, "xcompress");
cp_addkword(CT_PLOTKEYWORDS, "xdelta");
cp_addkword(CT_PLOTKEYWORDS, "ydelta");
cp_addkword(CT_PLOTKEYWORDS, "lingrid");
cp_addkword(CT_PLOTKEYWORDS, "loglog");
cp_addkword(CT_PLOTKEYWORDS, "linear");
cp_addkword(CT_PLOTKEYWORDS, "xlog");
cp_addkword(CT_PLOTKEYWORDS, "ylog");
cp_addkword(CT_PLOTKEYWORDS, "polar");
cp_addkword(CT_PLOTKEYWORDS, "smith");
cp_addkword(CT_PLOTKEYWORDS, "smithgrid");
cp_addkword(CT_PLOTKEYWORDS, "nointerp");
cp_addkword(CT_PLOTKEYWORDS, "title");
cp_addkword(CT_PLOTKEYWORDS, "xlabel");
cp_addkword(CT_PLOTKEYWORDS, "ylabel");
cp_addkword(CT_PLOTKEYWORDS, "linplot");
cp_addkword(CT_PLOTKEYWORDS, "combplot");
cp_addkword(CT_PLOTKEYWORDS, "pointplot");
cp_addkword(CT_RUSEARGS, "time");
cp_addkword(CT_RUSEARGS, "space");
cp_addkword(CT_RUSEARGS, "faults");
cp_addkword(CT_RUSEARGS, "elapsed");
cp_addkword(CT_RUSEARGS, "totiter");
cp_addkword(CT_RUSEARGS, "traniter");
cp_addkword(CT_RUSEARGS, "tranpoints");
cp_addkword(CT_RUSEARGS, "accept");
cp_addkword(CT_RUSEARGS, "rejected");
cp_addkword(CT_RUSEARGS, "time");
cp_addkword(CT_RUSEARGS, "trantime");
cp_addkword(CT_RUSEARGS, "lutime");
cp_addkword(CT_RUSEARGS, "solvetime");
cp_addkword(CT_RUSEARGS, "transolvetime");
cp_addkword(CT_RUSEARGS, "loadtime");
cp_addkword(CT_RUSEARGS, "all");
cp_addkword(CT_VECTOR, "all");
for (x = ft_setkwords; *x; x++)
cp_addkword(CT_VARIABLES, *x);
for (i = 0; ; i++) {
if ((s = ft_typenames(i)) == NULL)
break;
cp_addkword(CT_TYPENAMES, s);
}
}
cp_vset("program", CP_STRING, cp_program);
/* Make the prompt use only the last component of the path... */
if (DIR_TERM) {
for (s = cp_program; s && *s; s++)
;
s--;
while ((s > cp_program) && (*s != DIR_TERM))
s--;
if (*s == DIR_TERM)
s++;
(void) strcpy(buf, s);
for (s = buf; *s && (*s != '.'); s++)
;
*s = '\0';
(void) strcat(buf, " ! -> ");
} else {
(void) sprintf(buf, "%s ! -> ", cp_program);
}
cp_vset("prompt", CP_STRING, buf);
cp_vset("noglob", CP_BOOL, &t);
cp_vset("brief", CP_BOOL, &t);
/* Make vectors from values in predefs[] for the current plot.
Define functions from entries in udfs[] (like user defined functions).
*/
{
wordlist wl1, wl2, wl3;
wl1.wl_next = &wl2;
wl1.wl_prev = NULL;
wl2.wl_next = NULL;
wl2.wl_prev = &wl1;
wl1.wl_word = "if";
wl2.wl_word = "1";
cp_setalias("begin", &wl1);
wl1.wl_next = NULL;
wl1.wl_word = "end";
cp_setalias("endif", &wl1);
cp_setalias("endwhile", &wl1);
cp_setalias("endforeach", &wl1);
cp_setalias("endrepeat", &wl1);
cp_setalias("enddowhile", &wl1);
wl1.wl_word = "help";
cp_setalias("?", &wl1);
wl1.wl_next = &wl2;
wl2.wl_next = &wl3;
wl2.wl_prev = &wl1;
wl3.wl_prev = &wl2;
wl3.wl_next = NULL;
wl2.wl_word = "=";
for (i = 0; (size_t) i < NUMELEMS(predefs); i += 2) {
wl1.wl_word = predefs[i];
wl3.wl_word = predefs[i + 1];
com_let(&wl1);
}
wl2.wl_next = NULL;
for (i = 0; (size_t) i < NUMELEMS(udfs); i += 2) {
wl1.wl_word = udfs[i];
wl2.wl_word = udfs[i + 1];
com_define(&wl1);
}
}
/* set variables to read program configuration into special spinit for VS */
#ifdef _MSC_VER
#ifdef CONFIG64
#ifdef NGDEBUG
cp_vset("pg_config", CP_STRING, "d64");
#else
cp_vset("pg_config", CP_STRING, "r64");
#endif
#else
#ifdef NGDEBUG
cp_vset("pg_config", CP_STRING, "d32");
#else
cp_vset("pg_config", CP_STRING, "r32");
#endif
#endif
#endif
/* set a variable to announce windows console (to be used in unselecting plotting) */
#if (defined(_MSC_VER) || defined(__MINGW32__)) && !defined(HAS_WINGUI)
cp_vset("win_console", CP_BOOL, &t);
#endif
/* NGSPICEDATADIR has been set to path "$dprefix/share/ngspice" in configure.ac,
Spice_Lib_Dir has been set to NGSPICEDATADIR in conf.c,
may be overridden by environmental variable SPICE_LIB_DIR in ivars().
Lib_Path has been set to Spice_Lib_Dir adding /scripts in ivars() */
if (Lib_Path && *Lib_Path) {
/* set variable 'sourcepath' */
if (Inp_Path && *Inp_Path)
(void) sprintf(buf, "sourcepath = ( %s %s %s )", DIR_CWD, Lib_Path, Inp_Path);
else
(void) sprintf(buf, "sourcepath = ( %s %s )", DIR_CWD, Lib_Path);
{
wordlist *wl;
wl = cp_doglob(cp_lexer(buf));
cp_striplist(wl);
com_set(wl);
wl_free(wl);
}
/* Now source the standard startup file spinit or tclspinit. */
/* jump over leading spaces */
for (copys = s = cp_tildexpand(Lib_Path); copys && *copys; ) {
s = skip_ws(s);
/* copy s into buf until space is seen, r is the actual position */
for (r = buf; *s && !isspace_c(*s); r++, s++)
*r = *s;
tfree(copys);
/* add a path separator to buf at actual position */
(void) strcpy(r, DIR_PATHSEP);
#ifdef TCL_MODULE
/* add "tclspinit" to buf after actual position */
(void) strcat(r, "tclspinit");
#else
/* add "spinit" to buf after actual position */
(void) strcat(r, "spinit");
#endif
if ((fp = fopen(buf, "r")) != NULL) {
cp_interactive = FALSE;
inp_spsource(fp, TRUE, buf, FALSE);
cp_interactive = TRUE;
found = TRUE;
break;
#if defined(HAS_WINGUI) || defined(__MINGW32__) || defined(_MSC_VER)
/* search in local directory where ngspice.exe resides */
#if defined TCL_MODULE
} else if ((fp = fopen("./tclspinit", "r")) != NULL) {
#else
} else if ((fp = fopen("./spinit", "r")) != NULL) {
#endif
cp_interactive = FALSE;
inp_spsource(fp, TRUE, buf, FALSE);
cp_interactive = TRUE;
found = TRUE;
break;
#endif
} else if (ft_controldb) {
fprintf(cp_err, "Note: can't open \"%s\".\n", buf);
}
}
if (!found)
fprintf(cp_err, "Note: can't find init file.\n");
}
tcap_init();
}
/* Decide whether a condition is TRUE or not.
* In erroneous situations the condition shall evaluate to FALSE
* additionally error messages might have been printed.
*/
bool
cp_istrue(wordlist *wl)
{
struct dvec *v;
struct pnode *names;
bool rv;
/* First do all the csh-type stuff here... */
wl = wl_copy(wl);
wl = cp_variablesubst(wl);
/* return FALSE if this did not expand to anything */
if (!wl)
return FALSE;
/* backquote '`' substitution */
wl = cp_bquote(wl);
/* strip bit number eight */
cp_striplist(wl);
/* parse the condition */
names = ft_getpnames(wl, TRUE);
wl_free(wl);
/* evaluate the parsed condition.
* boolean expressions evaluate to real 1.0 or 0.0 */
v = ft_evaluate(names);
/* non boolean expressions will be considered TRUE
* if at least one real or complex vector element is non zero */
rv = !vec_iszero(v);
/* va: garbage collection for v, if pnode names is no simple value */
if (names && !names->pn_value && v)
vec_free(v);
free_pnode(names); /* free also v, if pnode names is simple value */
return rv;
}
/* This gets called before every command is executed...
from fcns do_command() or do_block() in control.c */
void
cp_periodic(void)
{
ft_setflag = FALSE;
ft_intrpt = FALSE;
ft_ckspace(); /* check for max. data size (resource.c) */
ft_checkkids(); /* check for jobs (only if OK_ASPICE is defined, apsice.c) */
vec_gc(); /* remove vectors which do not have permanent flag set (vectors.c) */
}
void
cp_doquit(void)
{
com_quit(NULL);
}
/* This is how we deal with emulation of commands by scripts... If the script
* is found, then set the variables argc and argv and call the script. Note
* that this also allows us to type a filename to load a spice deck...
*/
bool
cp_oddcomm(char *s, wordlist *wl)
{
FILE *fp;
if ((fp = inp_pathopen(s, "r")) != NULL) {
/* Buffer for building string, unless unusually long */
char buf[BSIZE_SP];
char *p_buf_active; /* buffer in use */
static const char header[] = "argc = %d argv = ( ";
/* Bound on initial length: Header - 2 for %d - 1 for null +
* + 2 for closing ')' and '\0' + bound on length of int
* as string */
size_t n_byte_data =
sizeof header / sizeof *header + 3 * sizeof(int) - 1;
(void) fclose(fp);
/* Step through word list finding length */
{
wordlist *wl1;
for (wl1 = wl; wl1 != (wordlist *) NULL; wl1 = wl1->wl_next) {
n_byte_data += strlen(wl1->wl_word) + 1;
}
}
/* Use fixed buffer unless it is too small */
if (n_byte_data <= sizeof buf / sizeof *buf) {
p_buf_active = buf;
}
else {
p_buf_active = TMALLOC(char, n_byte_data);
}
/* Step through word list again to build string */
{
char *p_dst = p_buf_active;
p_dst += sprintf(p_dst, header, wl_length(wl));
for ( ; wl != (wordlist *) NULL; wl = wl->wl_next) {
const char *p_src = wl->wl_word;
for ( ; ; p_src++) { /* copy source string */
const char ch_src = *p_src;
if (ch_src == '\0') {
*p_dst++ = ' ';
break;
}
*p_dst++ = ch_src;
} /* end of loop copying source string */
} /* end of loop over words in list */
/* Add ')' and terminate string */
*p_dst++ = ')';
*p_dst = '\0';
} /* end of block building string */
wordlist *setarg = cp_lexer(p_buf_active);
/* Free buffer allocation if made */
if (p_buf_active != buf) {
txfree(p_buf_active);
}
com_set(setarg);
wl_free(setarg);
inp_source(s);
cp_remvar("argc");
cp_remvar("argv");
return TRUE;
}
if (wl && eq(wl->wl_word, "=")) {
wordlist *ww = wl_cons(copy(s), wl);
com_let(ww);
wl_delete_slice(ww, ww->wl_next);
return (TRUE);
}
return (FALSE);
} /* end of function cp_oddcomm */