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Parser changes to support typedef.

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Peter 2020-02-27 16:57:35 +00:00 • committed by Grazfather
parent f828cb5132
commit 14f32028ec
4 changed files with 88 additions and 10 deletions
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19
frontends/verilog/verilog_frontend.cc
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@ -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<std::string, AST::AstNode *> &user_types, std::vector<AST::AstNode *> &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;