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Add specify parser

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-04-21 21:58:57 +02:00
parent a7e11261bd
commit 3cc95fb4be
5 changed files with 254 additions and 34 deletions
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18
frontends/verilog/verilog_frontend.cc
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@ -158,6 +158,9 @@ struct VerilogFrontend : public Frontend {
log(" delete (* whitebox *) and (* lib_whitebox *) attributes from\n");
log(" all modules.\n");
log("\n");
log(" -specify\n");
log(" parse and import specify blocks\n");
log("\n");
log(" -noopt\n");
log(" don't perform basic optimizations (such as const folding) in the\n");
log(" high-level front-end.\n");
@ -228,6 +231,8 @@ struct VerilogFrontend : public Frontend {
bool flag_nooverwrite = false;
bool flag_overwrite = false;
bool flag_defer = false;
bool flag_noblackbox = false;
bool flag_nowb = false;
std::map<std::string, std::string> defines_map;
std::list<std::string> include_dirs;
std::list<std::string> attributes;
@ -237,9 +242,8 @@ struct VerilogFrontend : public Frontend {
formal_mode = false;
norestrict_mode = false;
assume_asserts_mode = false;
noblackbox_mode = false;
lib_mode = false;
nowb_mode = false;
specify_mode = false;
default_nettype_wire = true;
log_header(design, "Executing Verilog-2005 frontend.\n");
@ -342,7 +346,7 @@ struct VerilogFrontend : public Frontend {
continue;
}
if (arg == "-noblackbox") {
noblackbox_mode = true;
flag_noblackbox = true;
continue;
}
if (arg == "-lib") {
@ -351,7 +355,11 @@ struct VerilogFrontend : public Frontend {
continue;
}
if (arg == "-nowb") {
nowb_mode = true;
flag_nowb = true;
continue;
}
if (arg == "-specify") {
specify_mode = true;
continue;
}
if (arg == "-noopt") {
@ -450,7 +458,7 @@ struct VerilogFrontend : public Frontend {
error_on_dpi_function(current_ast);
AST::process(design, current_ast, flag_dump_ast1, flag_dump_ast2, flag_no_dump_ptr, flag_dump_vlog1, flag_dump_vlog2, flag_dump_rtlil, flag_nolatches,
flag_nomeminit, flag_nomem2reg, flag_mem2reg, noblackbox_mode, lib_mode, nowb_mode, flag_noopt, flag_icells, flag_nooverwrite, flag_overwrite, flag_defer, default_nettype_wire);
flag_nomeminit, flag_nomem2reg, flag_mem2reg, flag_noblackbox, lib_mode, flag_nowb, flag_noopt, flag_icells, flag_nooverwrite, flag_overwrite, flag_defer, default_nettype_wire);
if (!flag_nopp)
delete lexin;