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Added support for signed parameters in ilang

This commit is contained in:
Clifford Wolf 2013-11-24 17:37:27 +01:00
parent 7eaad2218d
commit 0ef22c7609
3 changed files with 9 additions and 2 deletions
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2
backends/ilang/ilang_backend.cc
View File

@ -155,7 +155,7 @@ void ILANG_BACKEND::dump_cell(FILE *f, std::string indent, const RTLIL::Cell *ce
}
fprintf(f, "%s" "cell %s %s\n", indent.c_str(), cell->type.c_str(), cell->name.c_str());
for (auto it = cell->parameters.begin(); it != cell->parameters.end(); it++) {
fprintf(f, "%s parameter %s ", indent.c_str(), it->first.c_str());
fprintf(f, "%s parameter%s %s ", indent.c_str(), cell->signed_parameters.count(it->first) ? " signed" : "", it->first.c_str());
dump_const(f, it->second);
fprintf(f, "\n");
}

1
frontends/ilang/lexer.l
View File

@ -39,6 +39,7 @@
"module" { return TOK_MODULE; }
"attribute" { return TOK_ATTRIBUTE; }
"parameter" { return TOK_PARAMETER; }
"signed" { return TOK_SIGNED; }
"wire" { return TOK_WIRE; }
"memory" { return TOK_MEMORY; }
"width" { return TOK_WIDTH; }

8
frontends/ilang/parser.y
View File

@ -54,7 +54,7 @@ using namespace ILANG_FRONTEND;
%token TOK_CELL TOK_CONNECT TOK_SWITCH TOK_CASE TOK_ASSIGN TOK_SYNC
%token TOK_LOW TOK_HIGH TOK_POSEDGE TOK_NEGEDGE TOK_EDGE TOK_ALWAYS TOK_INIT
%token TOK_UPDATE TOK_PROCESS TOK_END TOK_INVALID TOK_EOL TOK_OFFSET
%token TOK_PARAMETER TOK_ATTRIBUTE TOK_MEMORY TOK_SIZE
%token TOK_PARAMETER TOK_ATTRIBUTE TOK_MEMORY TOK_SIZE TOK_SIGNED
%type <sigspec> sigspec sigspec_list
%type <integer> sync_type
@ -189,6 +189,12 @@ cell_body:
free($3);
delete $4;
} |
cell_body TOK_PARAMETER TOK_SIGNED TOK_ID constant TOK_EOL {
current_cell->parameters[$4] = *$5;
current_cell->signed_parameters.insert($4);
free($4);
delete $5;
} |
cell_body TOK_CONNECT TOK_ID sigspec TOK_EOL {
if (current_cell->connections.count($3) != 0)
rtlil_frontend_ilang_yyerror("scope error");