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Added an option for ignoring errors about missing modules #151

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Mar 22, 2017
Merged

Added an option for ignoring errors about missing modules #151

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3 changes: 3 additions & 0 deletions compiler.h
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,9 @@ extern bool debug_emit;
extern bool debug_synth2;
extern bool debug_optimizer;

/* Ignore errors about missing modules */
extern bool ignore_missing_modules;

/* Control evaluation of functions at compile time:
* 0 = only for functions in constant expressions
* 1 = only for automatic functions
Expand Down
12 changes: 10 additions & 2 deletions driver/main.c
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Expand Up @@ -38,7 +38,7 @@ const char NOTICE[] =
;

const char HELP[] =
"Usage: iverilog [-ESvV] [-B base] [-c cmdfile|-f cmdfile]\n"
"Usage: iverilog [-EiSvV] [-B base] [-c cmdfile|-f cmdfile]\n"
" [-g1995|-g2001|-g2005|-g2005-sv|-g2009|-g2012] [-g<feature>]\n"
" [-D macro[=defn]] [-I includedir]\n"
" [-M [mode=]depfile] [-m module]\n"
Expand Down Expand Up @@ -140,6 +140,9 @@ int gen_relative_include = 0;

char warning_flags[16] = "n";

/* Boolean: true means ignore errors about missing modules */
int ignore_missing_modules = 0;

unsigned integer_width = 32;

unsigned width_cap = 65536;
Expand Down Expand Up @@ -987,7 +990,7 @@ int main(int argc, char **argv)
}
}

while ((opt = getopt(argc, argv, "B:c:D:d:Ef:g:hl:I:M:m:N:o:P:p:Ss:T:t:vVW:y:Y:")) != EOF) {
while ((opt = getopt(argc, argv, "B:c:D:d:Ef:g:hl:I:iM:m:N:o:P:p:Ss:T:t:vVW:y:Y:")) != EOF) {

switch (opt) {
case 'B':
Expand Down Expand Up @@ -1042,6 +1045,10 @@ int main(int argc, char **argv)
process_include_dir(optarg);
break;

case 'i':
ignore_missing_modules = 1;
break;

case 'l':
process_file_name(optarg, 1);
break;
Expand Down Expand Up @@ -1184,6 +1191,7 @@ int main(int argc, char **argv)
fprintf(iconfig_file, "generation:%s\n", gen_verilog_ams);
fprintf(iconfig_file, "generation:%s\n", gen_icarus);
fprintf(iconfig_file, "warnings:%s\n", warning_flags);
fprintf(iconfig_file, "ignore_missing_modules:%s\n", ignore_missing_modules ? "true" : "false");
fprintf(iconfig_file, "out:%s\n", opath);
if (depfile) {
fprintf(iconfig_file, "depfile:%s\n", depfile);
Expand Down
14 changes: 9 additions & 5 deletions elaborate.cc
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Expand Up @@ -2204,8 +2204,10 @@ void PGModule::elaborate(Design*des, NetScope*scope) const
return;
}

cerr << get_fileline() << ": internal error: Unknown module type: " <<
type_ << endl;
if (!ignore_missing_modules) {
cerr << get_fileline() << ": internal error: Unknown module type: " <<
type_ << endl;
}
}

void PGModule::elaborate_scope(Design*des, NetScope*sc) const
Expand Down Expand Up @@ -2249,9 +2251,11 @@ void PGModule::elaborate_scope(Design*des, NetScope*sc) const

// Not a module or primitive that I know about or can find by
// any means, so give up.
cerr << get_fileline() << ": error: Unknown module type: " << type_ << endl;
missing_modules[type_] += 1;
des->errors += 1;
if (!ignore_missing_modules) {
cerr << get_fileline() << ": error: Unknown module type: " << type_ << endl;
missing_modules[type_] += 1;
des->errors += 1;
}
}


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12 changes: 12 additions & 0 deletions main.cc
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Expand Up @@ -164,6 +164,11 @@ bool warn_sens_entire_arr = false;
bool warn_anachronisms = false;
bool warn_floating_nets = false;

/*
* Ignore errors about missing modules
*/
bool ignore_missing_modules = false;

/*
* Debug message class flags.
*/
Expand Down Expand Up @@ -570,6 +575,9 @@ static bool set_default_timescale(const char*ts_string)
*
* warnings:<string>
* Warning flag letters.
*
* ignore_missing_modules:<bool>
* true to ignore errors about missing modules
*/
bool had_timescale = false;
static void read_iconfig_file(const char*ipath)
Expand Down Expand Up @@ -720,6 +728,10 @@ static void read_iconfig_file(const char*ipath)
break;
}

} else if (strcmp(buf, "ignore_missing_modules") == 0) {
if (strcmp(cp, "true") == 0)
ignore_missing_modules = true;

} else if (strcmp(buf, "-y") == 0) {
build_library_index(cp, CASE_SENSITIVE);

Expand Down