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Make syntax check for nesting of .subckt ... .ends more verbose: 

Try to find out where .subckt/.ends may be doubled, or missing.
This commit is contained in:
Holger Vogt 2021-06-21 15:35:51 +02:00
parent 52b5e218c7
commit 858689d206
1 changed files with 21 additions and 4 deletions
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25
src/frontend/inpcom.c
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@ -9023,28 +9023,33 @@ static void ltspice_compat_a(struct card *oldcard)
static void inp_check_syntax(struct card *deck)
{
struct card *card;
int check_control = 0, check_subs = 0, check_if = 0, check_ch = 0;
int check_control = 0, check_subs = 0, check_if = 0, check_ch = 0, ii;
bool mwarn = FALSE;
char* subs[10]; /* store subckt lines */
int ends = 0; /* store .ends line numbers */
/* will lead to crash in inp.c, fcn inp_spsource */
/* prevent crash in inp.c, fcn inp_spsource: */
if (ciprefix(".param", deck->line) || ciprefix(".meas", deck->line)) {
fprintf(cp_err, "\nError: title line is missing!\n\n");
controlled_exit(EXIT_BAD);
}
for (ii = 0; ii < 10; ii++)
subs[ii] = NULL;
for (card = deck; card; card = card->nextcard) {
char *cut_line = card->line;
if (*cut_line == '*' || *cut_line == '\0')
continue;
// check for unusable leading characters and change them to '*'
if (strchr("=[]?()&%$\"!:,\f", *cut_line)) {
if (strchr("=[]?()&%$\"!:,\f;", *cut_line)) {
if (ft_stricterror) {
fprintf(stderr, "Error: '%c' is not allowed as first character in line %s.\n", *cut_line, cut_line);
controlled_exit(EXIT_BAD);
}
else {
if (!check_ch) {
fprintf(stderr, "Warning: Unusual leading characters like '%c' or others out of '= [] ? () & %% $\"!:,'\n", *cut_line);
fprintf(stderr, "Warning: Unusual leading characters like '%c' or others out of '= [] ? () & %% $\"!:,;\\f'\n", *cut_line);
fprintf(stderr, " in netlist or included files, will be replaced with '*'\n");
check_ch = 1; /* just one warning */
}
@ -9080,11 +9085,19 @@ static void inp_check_syntax(struct card *deck)
fprintf(cp_err,
"\nWarning: Nesting of subcircuits with parameters "
"is only marginally supported!\n\n");
if (check_subs < 10)
subs[check_subs] = cut_line;
else
fprintf(stderr, "Warning: .subckt nesting larger than 10, check may not catch all errors\n");
check_subs++;
continue;
}
else if (ciprefix(".ends", cut_line)) {
check_subs--;
if (check_subs >= 0 && check_subs < 10)
subs[check_subs] = NULL;
else if (ends == 0) /* store first occurence */
ends = card->linenum_orig;
continue;
}
// check for .if ... .endif
@ -9111,6 +9124,10 @@ static void inp_check_syntax(struct card *deck)
fprintf(cp_err,
"\nError: Mismatch of .subckt ... .ends statements!\n");
fprintf(cp_err, " This will cause subsequent errors.\n\n");
if (ends > 0)
fprintf(cp_err, "Check .ends in line number %d\n", ends);
else
fprintf(cp_err, "Check line %s\n", subs[0]);
controlled_exit(EXIT_BAD);
}
if (check_if != 0) {