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https://github.com/YosysHQ/yosys
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code split and cleanup
This commit is contained in:
Miodrag Milanovic
parent
9eebc80170
commit
4367e176fb
1 changed files with 141 additions and 90 deletions
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@ -230,6 +230,126 @@ RTLIL::Const mkconst_str(const std::string &str)
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val.flags |= RTLIL::CONST_FLAG_STRING;
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return val;
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}
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static const RTLIL::Const extract_vhdl_boolean(std::string &val)
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{
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if (val == "false")
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return RTLIL::Const::from_string("0");
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if (val == "true")
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return RTLIL::Const::from_string("1");
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log_error("Expecting VHDL boolean value.\n");
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}
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static const RTLIL::Const extract_vhdl_bit(std::string &val, std::string &typ)
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{
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if (val.size()==3 && val[0]=='\'' && val.back()=='\'')
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return RTLIL::Const::from_string(val.substr(1,val.size()-2));
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log_error("Error parsing VHDL %s.\n", typ.c_str());
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}
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static const RTLIL::Const extract_vhdl_bit_vector(std::string &val, std::string &typ)
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{
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if (val.size()>1 && val[0]=='\"' && val.back()=='\"') {
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RTLIL::Const c = RTLIL::Const::from_string(val.substr(1,val.size()-2));
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if (typ == "signed")
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c.flags |= RTLIL::CONST_FLAG_SIGNED;
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return c;
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}
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log_error("Error parsing VHDL %s.\n", typ.c_str());
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}
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static const RTLIL::Const extract_vhdl_integer(std::string &val)
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{
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char *end;
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return RTLIL::Const((int)std::strtol(val.c_str(), &end, 10), 32);
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}
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static const RTLIL::Const extract_vhdl_char(std::string &val)
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{
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if (val.size()==3 && val[0]=='\"' && val.back()=='\"')
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return RTLIL::Const((int)val[1], 32);
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log_error("Error parsing VHDL character.\n");
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}
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static const RTLIL::Const extract_real_value(std::string &val)
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{
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RTLIL::Const c = mkconst_str(val);
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c.flags |= RTLIL::CONST_FLAG_REAL;
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return c;
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}
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static const RTLIL::Const extract_vhdl_string(std::string &val)
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{
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if (!(val.size()>1 && val[0]=='\"' && val.back()=='\"'))
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log_error("Error parsing VHDL string.\n");
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return RTLIL::Const(val.substr(1,val.size()-2));
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}
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static const RTLIL::Const extract_vhdl_const(const char *value, bool output_signed)
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{
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RTLIL::Const c;
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char *end;
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int decimal;
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bool is_signed = false;
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std::string val = std::string(value);
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if (val.size()>1 && val[0]=='\"' && val.back()=='\"') {
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std::string data = val.substr(1,val.size()-2);
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bool isBinary = std::all_of(data.begin(), data.end(), [](char c) {return c=='1' || c=='0'; });
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if (isBinary)
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c = RTLIL::Const::from_string(data);
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else
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c = RTLIL::Const(data);
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} else if (val.size()==3 && val[0]=='\'' && val.back()=='\'') {
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c = RTLIL::Const::from_string(val.substr(1,val.size()-2));
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} else if ((value[0] == '-' || (value[0] >= '0' && value[0] <= '9')) &&
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((decimal = std::strtol(value, &end, 10)), !end[0])) {
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is_signed = output_signed;
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c = RTLIL::Const((int)decimal, 32);
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} else if (val == "false") {
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c = RTLIL::Const::from_string("0");
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} else if (val == "true") {
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c = RTLIL::Const::from_string("1");
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} else {
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c = mkconst_str(val);
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log_warning("encoding value '%s' as string.\n", value);
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}
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if (is_signed)
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c.flags |= RTLIL::CONST_FLAG_SIGNED;
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return c;
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}
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static const RTLIL::Const extract_verilog_const(const char *value, bool allow_string, bool output_signed)
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{
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RTLIL::Const c;
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char *end;
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int decimal;
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bool is_signed = false;
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size_t found;
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std::string val = std::string(value);
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if (allow_string && val.size()>1 && val[0]=='\"' && val.back()=='\"') {
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c = RTLIL::Const(val.substr(1,val.size()-2));
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} else if ((found = val.find("'sb")) != std::string::npos) {
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is_signed = output_signed;
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c = RTLIL::Const::from_string(val.substr(found + 3));
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} else if ((found = val.find("'b")) != std::string::npos) {
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c = RTLIL::Const::from_string(val.substr(found + 2));
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} else if ((value[0] == '-' || (value[0] >= '0' && value[0] <= '9')) &&
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((decimal = std::strtol(value, &end, 10)), !end[0])) {
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is_signed = output_signed;
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c = RTLIL::Const((int)decimal, 32);
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} else if (allow_string) {
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c = RTLIL::Const(val);
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} else {
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c = mkconst_str(val);
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log_warning("encoding value '%s' as string.\n", value);
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}
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if (is_signed)
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c.flags |= RTLIL::CONST_FLAG_SIGNED;
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return c;
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}
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// When used as attributes or parameter values Verific constants come already processed.
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// - Real string values are already under quotes
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// - Numeric values with specified width are always converted to binary
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@ -241,104 +361,35 @@ RTLIL::Const mkconst_str(const std::string &str)
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// also be negative.
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static const RTLIL::Const verific_const(const char* type_name, const char *value, DesignObj *obj, bool allow_string = true, bool output_signed = false)
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{
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size_t found;
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char *end;
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int decimal;
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bool is_signed = false;
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RTLIL::Const c;
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std::string val = std::string(value);
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// VHDL
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if (obj->IsFromVhdl()) {
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if (type_name) {
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if (strcmp(type_name, "integer")==0 || strcmp(type_name, "natural")==0 || strcmp(type_name, "positive")==0) {
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decimal = std::strtol(value, &end, 10);
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c = RTLIL::Const((int)decimal, 32);
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} else if (strcmp(type_name, "boolean")==0) {
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if (val == "false") {
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c = RTLIL::Const::from_string("0");
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} else if (val == "true") {
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c = RTLIL::Const::from_string("1");
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} else
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log_error("Error parsing boolean\n");
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} else if (strcmp(type_name, "bit")==0 || strcmp(type_name, "STD_LOGIC")==0 || strcmp(type_name, "STD_ULOGIC")==0) {
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if (val.size()==3 && val[0]=='\'' && val.back()=='\'') {
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c = RTLIL::Const::from_string(val.substr(1,val.size()-2));
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} else
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log_error("Error parsing %s\n", type_name);
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} else if (strcmp(type_name, "character")==0) {
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if (val.size()>1 && val[0]=='\"' && val.back()=='\"') {
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c = RTLIL::Const((int)val[1], 32);
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} else
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log_error("Error parsing character\n");
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} else if (strcmp(type_name, "bit_vector")==0 || strcmp(type_name, "STD_LOGIC_VECTOR")==0 || strcmp(type_name, "STD_ULOGIC_VECTOR")==0 ||
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strcmp(type_name, "UNSIGNED")==0 || strcmp(type_name, "SIGNED")==0) {
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if (val.size()>1 && val[0]=='\"' && val.back()=='\"') {
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c = RTLIL::Const::from_string(val.substr(1,val.size()-2));
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} else
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log_error("Error parsing %s\n", type_name);
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if (strcmp(type_name, "SIGNED")==0)
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is_signed = true;
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} else if (strcmp(type_name, "real")==0) {
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c = mkconst_str(val);
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c.flags |= RTLIL::CONST_FLAG_REAL;
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} else if (strcmp(type_name, "string")==0) {
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if (!(val.size()>1 && val[0]=='\"' && val.back()=='\"'))
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log_error("Error parsing string\n");
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c = RTLIL::Const(val.substr(1,val.size()-2));
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} else {
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std::string typ = std::string(type_name);
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transform(typ.begin(), typ.end(), typ.begin(), ::tolower);
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if (typ == "integer" || typ == "natural" || typ=="positive") return extract_vhdl_integer(val);
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else if (typ =="boolean") return extract_vhdl_boolean(val);
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else if (typ == "bit" || typ =="std_logic" || typ == "std_ulogic") return extract_vhdl_bit(val,typ);
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else if (typ == "character") return extract_vhdl_char(val);
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else if (typ == "bit_vector" || typ == "std_logic_vector" || typ == "std_ulogic_vector" ||
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typ == "unsigned" || typ == "signed") return extract_vhdl_bit_vector(val,typ);
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else if (typ == "real") return extract_real_value(val);
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else if (typ == "string") return extract_vhdl_string(val);
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else {
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if (val.size()>1 && val[0]=='\"' && val.back()=='\"')
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c = RTLIL::Const(val.substr(1,val.size()-2));
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return RTLIL::Const(val.substr(1,val.size()-2));
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else if (val.size()==3 && val[0]=='\'' && val.back()=='\'')
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c = RTLIL::Const(val.substr(1,val.size()-2));
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return RTLIL::Const(val.substr(1,val.size()-2));
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else
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c = RTLIL::Const(val);
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return RTLIL::Const(val);
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}
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} else if (val.size()>1 && val[0]=='\"' && val.back()=='\"') {
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std::string data = val.substr(1,val.size()-2);
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bool isBinary = std::all_of(data.begin(), data.end(), [](char c) {return c=='1' || c=='0'; });
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if (isBinary)
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c = RTLIL::Const::from_string(data);
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else
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c = RTLIL::Const(data);
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} else if (val.size()==3 && val[0]=='\'' && val.back()=='\'') {
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c = RTLIL::Const::from_string(val.substr(1,val.size()-2));
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} else if ((value[0] == '-' || (value[0] >= '0' && value[0] <= '9')) &&
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((decimal = std::strtol(value, &end, 10)), !end[0])) {
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is_signed = output_signed;
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c = RTLIL::Const((int)decimal, 32);
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} else if (val == "false") {
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c = RTLIL::Const::from_string("0");
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} else if (val == "true") {
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c = RTLIL::Const::from_string("1");
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} else {
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c = mkconst_str(val);
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log_warning("encoding value '%s' of type '%s' as string found", value, type_name ? type_name : "unknown");
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}
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} else {
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if (type_name && strcmp(type_name, "real")==0) {
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c = mkconst_str(val);
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c.flags |= RTLIL::CONST_FLAG_REAL;
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} else if (allow_string && val.size()>1 && val[0]=='\"' && val.back()=='\"') {
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c = RTLIL::Const(val.substr(1,val.size()-2));
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} else if ((found = val.find("'sb")) != std::string::npos) {
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is_signed = output_signed;
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c = RTLIL::Const::from_string(val.substr(found + 3));
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} else if ((found = val.find("'b")) != std::string::npos) {
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c = RTLIL::Const::from_string(val.substr(found + 2));
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} else if ((value[0] == '-' || (value[0] >= '0' && value[0] <= '9')) &&
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((decimal = std::strtol(value, &end, 10)), !end[0])) {
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is_signed = output_signed;
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c = RTLIL::Const((int)decimal, 32);
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} else if (allow_string) {
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c = RTLIL::Const(val);
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} else {
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c = mkconst_str(val);
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log_warning("encoding value '%s' of type '%s' as string found", value, type_name ? type_name : "unknown");
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}
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} else extract_vhdl_const(value, output_signed);
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}
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if (is_signed)
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c.flags |= RTLIL::CONST_FLAG_SIGNED;
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return c;
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// SystemVerilog
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if (type_name && strcmp(type_name, "real")==0) {
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return extract_real_value(val);
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} else
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return extract_verilog_const(value, allow_string, output_signed);
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}
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static const std::string verific_unescape(const char *value)
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