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Improve libparse encapsulation

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This commit is contained in:
Martin Povišer 2024-08-13 18:43:31 +02:00
parent c35f5e379c
commit 3057c13a66
5 changed files with 73 additions and 71 deletions
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70
passes/techmap/libparse.cc
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@ -32,9 +32,6 @@
using namespace Yosys;
std::set<std::string> LibertyAst::blacklist;
std::set<std::string> LibertyAst::whitelist;
LibertyAst::~LibertyAst()
{
for (auto child : children)
@ -42,7 +39,7 @@ LibertyAst::~LibertyAst()
children.clear();
}
LibertyAst *LibertyAst::find(std::string name)
const LibertyAst *LibertyAst::find(std::string name) const
{
for (auto child : children)
if (child->id == name)
@ -50,7 +47,7 @@ LibertyAst *LibertyAst::find(std::string name)
return NULL;
}
void LibertyAst::dump(FILE *f, std::string indent, std::string path, bool path_ok)
void LibertyAst::dump(FILE *f, sieve &blacklist, sieve &whitelist, std::string indent, std::string path, bool path_ok) const
{
if (whitelist.count(path + "/*") > 0)
path_ok = true;
@ -77,7 +74,7 @@ void LibertyAst::dump(FILE *f, std::string indent, std::string path, bool path_o
if (!children.empty()) {
fprintf(f, " {\n");
for (size_t i = 0; i < children.size(); i++)
children[i]->dump(f, indent + " ", path, path_ok);
children[i]->dump(f, blacklist, whitelist, indent + " ", path, path_ok);
fprintf(f, "%s}\n", indent.c_str());
} else
fprintf(f, " ;\n");
@ -406,9 +403,9 @@ void LibertyParser::error(const std::string &str)
/**** END: http://svn.clairexen.net/tools/trunk/examples/check.h ****/
LibertyAst *find_non_null(LibertyAst *node, const char *name)
const LibertyAst *find_non_null(const LibertyAst *node, const char *name)
{
LibertyAst *ret = node->find(name);
const LibertyAst *ret = node->find(name);
if (ret == NULL)
fprintf(stderr, "Error: expected to find `%s' node.\n", name);
return ret;
@ -455,7 +452,7 @@ std::string func2vl(std::string str)
return str;
}
void event2vl(LibertyAst *ast, std::string &edge, std::string &expr)
void event2vl(const LibertyAst *ast, std::string &edge, std::string &expr)
{
edge.clear();
expr.clear();
@ -489,7 +486,7 @@ void clear_preset_var(std::string var, std::string type)
}
}
void gen_verilogsim_cell(LibertyAst *ast)
void gen_verilogsim_cell(const LibertyAst *ast)
{
if (ast->find("statetable") != NULL)
return;
@ -522,8 +519,8 @@ void gen_verilogsim_cell(LibertyAst *ast)
if (child->id != "pin")
continue;
CHECK_NV(child->args.size(), == 1);
LibertyAst *dir = find_non_null(child, "direction");
LibertyAst *func = child->find("function");
const LibertyAst *dir = find_non_null(child, "direction");
const LibertyAst *func = child->find("function");
printf(" %s %s;\n", dir->value.c_str(), child->args[0].c_str());
if (func != NULL)
printf(" assign %s = %s; // %s\n", child->args[0].c_str(), func2vl(func->value).c_str(), func->value.c_str());
@ -649,7 +646,7 @@ void gen_verilogsim_cell(LibertyAst *ast)
printf("endmodule\n");
}
void gen_verilogsim(LibertyAst *ast)
void gen_verilogsim(const LibertyAst *ast)
{
CHECK_COND(ast->id == "library");
@ -668,6 +665,7 @@ void usage()
int main(int argc, char **argv)
{
bool flag_verilogsim = false;
std::set<std::string> whitelist, blacklist;
if (argc > 3)
usage();
@ -678,26 +676,26 @@ int main(int argc, char **argv)
flag_verilogsim = true;
if (!strcmp(argv[1], "-") || !strcmp(argv[1], "-verilogsim"))
{
LibertyAst::whitelist.insert("/library");
LibertyAst::whitelist.insert("/library/cell");
LibertyAst::whitelist.insert("/library/cell/area");
LibertyAst::whitelist.insert("/library/cell/cell_footprint");
LibertyAst::whitelist.insert("/library/cell/dont_touch");
LibertyAst::whitelist.insert("/library/cell/dont_use");
LibertyAst::whitelist.insert("/library/cell/ff");
LibertyAst::whitelist.insert("/library/cell/ff/*");
LibertyAst::whitelist.insert("/library/cell/latch");
LibertyAst::whitelist.insert("/library/cell/latch/*");
LibertyAst::whitelist.insert("/library/cell/pin");
LibertyAst::whitelist.insert("/library/cell/pin/clock");
LibertyAst::whitelist.insert("/library/cell/pin/direction");
LibertyAst::whitelist.insert("/library/cell/pin/driver_type");
LibertyAst::whitelist.insert("/library/cell/pin/function");
LibertyAst::whitelist.insert("/library/cell/pin_opposite");
LibertyAst::whitelist.insert("/library/cell/pin/state_function");
LibertyAst::whitelist.insert("/library/cell/pin/three_state");
LibertyAst::whitelist.insert("/library/cell/statetable");
LibertyAst::whitelist.insert("/library/cell/statetable/*");
whitelist.insert("/library");
whitelist.insert("/library/cell");
whitelist.insert("/library/cell/area");
whitelist.insert("/library/cell/cell_footprint");
whitelist.insert("/library/cell/dont_touch");
whitelist.insert("/library/cell/dont_use");
whitelist.insert("/library/cell/ff");
whitelist.insert("/library/cell/ff/*");
whitelist.insert("/library/cell/latch");
whitelist.insert("/library/cell/latch/*");
whitelist.insert("/library/cell/pin");
whitelist.insert("/library/cell/pin/clock");
whitelist.insert("/library/cell/pin/direction");
whitelist.insert("/library/cell/pin/driver_type");
whitelist.insert("/library/cell/pin/function");
whitelist.insert("/library/cell/pin_opposite");
whitelist.insert("/library/cell/pin/state_function");
whitelist.insert("/library/cell/pin/three_state");
whitelist.insert("/library/cell/statetable");
whitelist.insert("/library/cell/statetable/*");
}
else
{
@ -723,10 +721,10 @@ int main(int argc, char **argv)
if (*p == ' ' || *p == '\t' || *p == '\r' || *p == '\n' || *p == '#') {
if (!id.empty()) {
if (mode == '-')
LibertyAst::blacklist.insert(id);
blacklist.insert(id);
else
if (mode == '+')
LibertyAst::whitelist.insert(id);
whitelist.insert(id);
else
goto syntax_error;
}
@ -764,7 +762,7 @@ int main(int argc, char **argv)
if (flag_verilogsim)
gen_verilogsim(parser.ast);
else
parser.ast->dump(stdout);
parser.ast->dump(stdout, blacklist, whitelist);
}
if (argc == 3)