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-rw-r--r--frontends/blif/blifparse.cc15
1 files changed, 9 insertions, 6 deletions
diff --git a/frontends/blif/blifparse.cc b/frontends/blif/blifparse.cc
index 1d4cf39a8..b81808b1e 100644
--- a/frontends/blif/blifparse.cc
+++ b/frontends/blif/blifparse.cc
@@ -85,6 +85,7 @@ void parse_blif(RTLIL::Design *design, std::istream &f, std::string dff_name, bo
RTLIL::Cell *sopcell = NULL;
RTLIL::Cell *lastcell = nullptr;
RTLIL::State lut_default_state = RTLIL::State::Sx;
+ char err_reason[80];
int blif_maxnum = 0, sopmode = -1;
auto blif_wire = [&](const std::string &wire_name) -> Wire*
@@ -275,8 +276,8 @@ void parse_blif(RTLIL::Design *design, std::istream &f, std::string dff_name, bo
if(lastcell == nullptr || module == nullptr)
{
- log_warning("No primative object to attach .cname %s.\n", p);
- goto error;
+ snprintf(err_reason, sizeof(err_reason), "No primative object to attach .cname %s.", p);
+ goto error_with_reason;
}
module->rename(lastcell, p);
@@ -301,14 +302,14 @@ void parse_blif(RTLIL::Design *design, std::istream &f, std::string dff_name, bo
}
if (!strcmp(cmd, ".attr")) {
if (obj_attributes == nullptr) {
- log_warning("No object to attach .attr too.\n");
- goto error;
+ snprintf(err_reason, sizeof(err_reason), "No object to attach .attr too.");
+ goto error_with_reason;
}
(*obj_attributes)[id_n] = const_v;
} else {
if (obj_parameters == nullptr) {
- log_warning("No object to attach .param too.\n");
- goto error;
+ snprintf(err_reason, sizeof(err_reason), "No object to attach .param too.");
+ goto error_with_reason;
}
(*obj_parameters)[id_n] = const_v;
}
@@ -573,6 +574,8 @@ void parse_blif(RTLIL::Design *design, std::istream &f, std::string dff_name, bo
error:
log_error("Syntax error in line %d!\n", line_count);
+error_with_reason:
+ log_error("Syntax error in line %d: %s\n", line_count, err_reason);
}
struct BlifFrontend : public Frontend {