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vhdlpp: Basic loop support (loop..end loop).

This commit is contained in:
Maciej Suminski 2016-01-07 16:14:41 +01:00
parent b4d5248c67
commit 79f38b8c56
4 changed files with 22 additions and 3 deletions
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1
vhdlpp/parse.y
View File

@ -1660,7 +1660,6 @@ loop_statement
BasicLoopStatement* tmp = new BasicLoopStatement(loop_name, $3);
FILE_NAME(tmp, @2);
sorrymsg(@1, "Loop statements are not supported.\n");
$$ = tmp;
};

2
vhdlpp/sequential.h
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@ -273,6 +273,8 @@ class BasicLoopStatement : public LoopStatement {
~BasicLoopStatement();
int elaborate(Entity*ent, ScopeBase*scope);
int emit(ostream&out, Entity*ent, ScopeBase*scope);
void write_to_stream(std::ostream&fd);
void dump(ostream&out, int indent) const;
};

4
vhdlpp/sequential_elaborate.cc
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@ -212,9 +212,9 @@ int WhileLoopStatement::elaborate(Entity*ent, ScopeBase*scope)
return errors;
}
int BasicLoopStatement::elaborate(Entity*, ScopeBase*)
int BasicLoopStatement::elaborate(Entity*ent, ScopeBase*scope)
{
return 0;
return elaborate_substatements(ent, scope);
}
int ReportStmt::elaborate(Entity*ent, ScopeBase*scope)

18
vhdlpp/sequential_emit.cc
View File

@ -477,6 +477,24 @@ int ForLoopStatement::emit_runtime_(ostream&out, Entity*ent, ScopeBase*scope)
return errors;
}
int BasicLoopStatement::emit(ostream&out, Entity*ent, ScopeBase*scope)
{
int errors = 0;
out << "forever begin" << endl;
errors += emit_substatements(out, ent, scope);
out << "end" << endl;
return errors;
}
void BasicLoopStatement::write_to_stream(std::ostream&fd)
{
fd << "loop" << endl;
write_to_stream_substatements(fd);
fd << "end loop;" << endl;
}
int ReportStmt::emit(ostream&out, Entity*ent, ScopeBase*scope)
{
out << "$display(\"** ";