From 14f32028ec878b8ba7324584631523f5b571b39f Mon Sep 17 00:00:00 2001 From: Peter Date: Thu, 27 Feb 2020 16:57:35 +0000 Subject: Parser changes to support typedef. --- frontends/verilog/verilog_frontend.cc | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'frontends/verilog/verilog_frontend.cc') diff --git a/frontends/verilog/verilog_frontend.cc b/frontends/verilog/verilog_frontend.cc index 42eabc02d..de05d29a7 100644 --- a/frontends/verilog/verilog_frontend.cc +++ b/frontends/verilog/verilog_frontend.cc @@ -47,6 +47,22 @@ static void error_on_dpi_function(AST::AstNode *node) error_on_dpi_function(child); } +static void add_package_types(std::map &user_types, std::vector &package_list) +{ + // prime the parser's user type lookup table with the package qualified names + // of typedefed names in the packages seen so far. + user_types.clear(); + for (const auto &pkg : package_list) { + log_assert(pkg->type==AST::AST_PACKAGE); + for (const auto &node: pkg->children) { + if (node->type == AST::AST_TYPEDEF) { + std::string s = pkg->str + "::" + node->str.substr(1); + user_types[s] = node; + } + } + } +} + struct VerilogFrontend : public Frontend { VerilogFrontend() : Frontend("verilog", "read modules from Verilog file") { } void help() YS_OVERRIDE @@ -468,6 +484,9 @@ struct VerilogFrontend : public Frontend { 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, flag_noblackbox, lib_mode, flag_nowb, flag_noopt, flag_icells, flag_pwires, flag_nooverwrite, flag_overwrite, flag_defer, default_nettype_wire); + // make latest package info available to next parser + add_package_types(pkg_user_types, design->verilog_packages); + if (!flag_nopp) delete lexin; -- cgit v1.2.3