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Merge branch 'primitive_redefinition' of https://github.com/thasti/iverilog 

- make primitive redefinition a warning, not an error
- make edge-sensitive ifnone a warning, not an error

This allows Icarus to be used to simulate designs using third-party
cell libraries that contain such things.
This commit is contained in:
Martin Whitaker 2019-07-23 21:46:30 +01:00
parent 4055752959 ca19ebe5d5
commit acdd78db7d
4 changed files with 8 additions and 2 deletions
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2
parse.y
View File

@ -5782,7 +5782,7 @@ specify_item
pform_module_specify_path(tmp); pform_module_specify_path(tmp);
} }
| K_ifnone specify_edge_path_decl ';' | K_ifnone specify_edge_path_decl ';'
{ yyerror(@1, "Sorry: ifnone with an edge-sensitive path is " { yywarn(@1, "Sorry: ifnone with an edge-sensitive path is "
"not supported."); "not supported.");
yyerrok; yyerrok;
} }

5
parse_misc.cc
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@ -39,6 +39,11 @@ std::ostream& operator << (std::ostream&o, const YYLTYPE&loc)
return o; return o;
} }
void VLwarn(const char*msg)
{
warn_count += 1;
cerr << yylloc.text << ":" << yylloc.first_line << ": " << msg << endl;
}
void VLerror(const char*msg) void VLerror(const char*msg)
{ {

1
parse_misc.h
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@ -59,6 +59,7 @@ extern int VLlex();
extern void VLerror(const char*msg); extern void VLerror(const char*msg);
extern void VLerror(const YYLTYPE&loc, const char*msg, ...) __attribute__((format(printf,2,3))); extern void VLerror(const YYLTYPE&loc, const char*msg, ...) __attribute__((format(printf,2,3)));
#define yywarn VLwarn #define yywarn VLwarn
extern void VLwarn(const char*msg);
extern void VLwarn(const YYLTYPE&loc, const char*msg); extern void VLwarn(const YYLTYPE&loc, const char*msg);
extern void destroy_lexor(); extern void destroy_lexor();

2
pform.cc
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@ -1847,7 +1847,7 @@ void pform_make_udp(perm_string name, list<perm_string>*parms,
// Put the primitive into the primitives table // Put the primitive into the primitives table
if (pform_primitives[name]) { if (pform_primitives[name]) {
VLerror("UDP primitive already exists."); VLwarn("UDP primitive already exists.");
} else { } else {
PUdp*udp = new PUdp(name, parms->size()); PUdp*udp = new PUdp(name, parms->size());