comparison: codegen/codegen.cpp
codegen/codegen.cpp
- changeset 861
- 83426c5fa732
- parent 848
- 68410477c8bb
- child 968
- 4b93b7963456
equal
deleted
inserted
replaced
| 860:a496e72af069 | 861:83426c5fa732 |
|---|---|
| 31 using std::strncmp; | 31 using std::strncmp; |
| 32 using std::getline; | 32 using std::getline; |
| 33 using std::cout; | 33 using std::cout; |
| 34 using std::endl; | 34 using std::endl; |
| 35 | 35 |
| 36 struct entry_type | 36 struct EntryType |
| 37 { | 37 { |
| 38 string name; | 38 string name; |
| 39 string type; | 39 string type; |
| 40 string defvalue; | 40 string defvalue; |
| 41 | 41 |
| 42 inline bool operator< (entry_type const& other) const | 42 inline bool operator< (EntryType const& other) const |
| 43 { | 43 { |
| 44 return name < other.name; | 44 return name < other.name; |
| 45 } | 45 } |
| 46 | 46 |
| 47 inline bool operator== (entry_type const& other) const | 47 inline bool operator== (EntryType const& other) const |
| 48 { | 48 { |
| 49 return name == other.name and type == other.type; | 49 return name == other.name and type == other.type; |
| 50 } | 50 } |
| 51 | 51 |
| 52 inline bool operator!= (entry_type const& other) const | 52 inline bool operator!= (EntryType const& other) const |
| 53 { | 53 { |
| 54 return not operator== (other); | 54 return not operator== (other); |
| 55 } | 55 } |
| 56 }; | 56 }; |
| 57 | 57 |
| 58 char advance_pointer (char const*& ptr) | 58 char AdvancePointer (char const*& ptr) |
| 59 { | 59 { |
| 60 char a = *ptr++; | 60 char a = *ptr++; |
| 61 | |
| 61 if (*ptr == '\0') | 62 if (*ptr == '\0') |
| 62 throw false; | 63 throw false; |
| 63 | 64 |
| 64 return a; | 65 return a; |
| 65 } | 66 } |
| 66 | 67 |
| 67 void read_cfgentries (string const& filename, vector<entry_type>& entries, const char* macroname) | 68 void ReadConfigEntries (string const& filename, vector<EntryType>& entries, const char* macroname) |
| 68 { | 69 { |
| 69 ifstream is (filename.c_str()); | 70 ifstream is (filename.c_str()); |
| 70 string line; | 71 string line; |
| 71 size_t const macrolen = strlen (macroname); | 72 size_t const macrolen = strlen (macroname); |
| 72 | 73 |
| 76 { | 77 { |
| 77 if (strncmp (line.c_str(), macroname, macrolen) != 0) | 78 if (strncmp (line.c_str(), macroname, macrolen) != 0) |
| 78 continue; | 79 continue; |
| 79 | 80 |
| 80 char const* ptr = &line[macrolen]; | 81 char const* ptr = &line[macrolen]; |
| 81 entry_type entry; | 82 EntryType entry; |
| 82 | 83 |
| 83 // Skip to paren | 84 // Skip to paren |
| 84 while (*ptr != '(') | 85 while (*ptr != '(') |
| 85 advance_pointer (ptr); | 86 AdvancePointer (ptr); |
| 86 | 87 |
| 87 // Skip whitespace | 88 // Skip whitespace |
| 88 while (isspace (*ptr)) | 89 while (isspace (*ptr)) |
| 89 advance_pointer (ptr); | 90 AdvancePointer (ptr); |
| 90 | 91 |
| 91 // Skip paren | 92 // Skip paren |
| 92 advance_pointer (ptr); | 93 AdvancePointer (ptr); |
| 93 | 94 |
| 94 // Read type | 95 // Read type |
| 95 while (*ptr != ',') | 96 while (*ptr != ',') |
| 96 entry.type += advance_pointer (ptr); | 97 entry.type += AdvancePointer (ptr); |
| 97 | 98 |
| 98 // Skip comma and whitespace | 99 // Skip comma and whitespace |
| 99 for (advance_pointer (ptr); isspace (*ptr); advance_pointer (ptr)) | 100 for (AdvancePointer (ptr); isspace (*ptr); AdvancePointer (ptr)) |
| 100 ; | 101 ; |
| 101 | 102 |
| 102 // Read name | 103 // Read name |
| 103 while (*ptr != ',') | 104 while (*ptr != ',') |
| 104 entry.name += advance_pointer (ptr); | 105 entry.name += AdvancePointer (ptr); |
| 105 | 106 |
| 106 // Skip comma and whitespace | 107 // Skip comma and whitespace |
| 107 for (advance_pointer (ptr); isspace (*ptr); advance_pointer (ptr)) | 108 for (AdvancePointer (ptr); isspace (*ptr); AdvancePointer (ptr)) |
| 108 ; | 109 ; |
| 109 | 110 |
| 110 // Read default | 111 // Read default |
| 111 while (*ptr != ')') | 112 while (*ptr != ')') |
| 112 entry.defvalue += advance_pointer (ptr); | 113 entry.defvalue += AdvancePointer (ptr); |
| 113 | 114 |
| 114 entries.push_back (entry); | 115 entries.push_back (entry); |
| 115 } | 116 } |
| 116 catch (bool) {} | 117 catch (bool) {} |
| 117 } | 118 } |
| 118 } | 119 } |
| 119 | 120 |
| 120 bool check_equality (vector<entry_type> a, vector<entry_type> b) | 121 bool CheckEquality (vector<EntryType> a, vector<EntryType> b) |
| 121 { | 122 { |
| 122 if (a.size() != b.size()) | 123 if (a.size() != b.size()) |
| 123 return false; | 124 return false; |
| 124 | 125 |
| 125 std::sort (a.begin(), a.end()); | 126 std::sort (a.begin(), a.end()); |
| 134 return true; | 135 return true; |
| 135 } | 136 } |
| 136 | 137 |
| 137 int main (int argc, char* argv[]) | 138 int main (int argc, char* argv[]) |
| 138 { | 139 { |
| 139 vector<entry_type> entries; | 140 vector<EntryType> entries; |
| 140 vector<entry_type> oldentries; | 141 vector<EntryType> oldentries; |
| 141 read_cfgentries (argv[argc - 1], oldentries, "CODEGEN_CACHE"); | 142 ReadConfigEntries (argv[argc - 1], oldentries, "CODEGEN_CACHE"); |
| 142 | 143 |
| 143 for (int arg = 1; arg < argc - 1; ++arg) | 144 for (int arg = 1; arg < argc - 1; ++arg) |
| 144 read_cfgentries (argv[arg], entries, "CFGENTRY"); | 145 ReadConfigEntries (argv[arg], entries, "CFGENTRY"); |
| 145 | 146 |
| 146 if (check_equality (entries, oldentries)) | 147 if (CheckEquality (entries, oldentries)) |
| 147 { | 148 { |
| 148 cout << "Configuration options unchanged" << endl; | 149 cout << "Configuration options unchanged" << endl; |
| 149 } | 150 return 0; |
| 150 else | |
| 151 { | |
| 152 std::ofstream os (argv[argc - 1]); | |
| 153 os << "#pragma once" << endl; | |
| 154 os << "#define CODEGEN_CACHE(A,B,C)" << endl; | |
| 155 | |
| 156 for (vector<entry_type>::const_iterator it = entries.begin(); it != entries.end(); ++it) | |
| 157 os << "CODEGEN_CACHE (" << it->type << ", " << it->name << ", " << it->defvalue << ")" << endl; | |
| 158 | |
| 159 os << endl; | |
| 160 for (vector<entry_type>::const_iterator it = entries.begin(); it != entries.end(); ++it) | |
| 161 os << "EXTERN_CFGENTRY (" << it->type << ", " << it->name << ")" << endl; | |
| 162 | |
| 163 os << endl; | |
| 164 os << "static void InitConfigurationEntry (AbstractConfigEntry* entry);" << endl; | |
| 165 os << "static void SetupConfigurationLists()" << endl; | |
| 166 os << "{" << endl; | |
| 167 | |
| 168 for (vector<entry_type>::const_iterator it = entries.begin(); it != entries.end(); ++it) | |
| 169 { | |
| 170 os << "\tInitConfigurationEntry (new " << it->type << "ConfigEntry (&cfg::" << | |
| 171 it->name << ", \"" << it->name << "\", " << it->defvalue << "));" << endl; | |
| 172 } | |
| 173 | |
| 174 os << "}" << endl; | |
| 175 | |
| 176 cout << "Wrote configuration options list to " << argv[argc - 1] << "." << endl; | |
| 177 } | 151 } |
| 178 | 152 |
| 153 std::ofstream os (argv[argc - 1]); | |
| 154 os << "#pragma once" << endl; | |
| 155 os << "#define CODEGEN_CACHE(A,B,C)" << endl; | |
| 156 | |
| 157 for (vector<EntryType>::const_iterator it = entries.begin(); it != entries.end(); ++it) | |
| 158 { | |
| 159 os << "CODEGEN_CACHE (" << it->type << ", " << it->name << ", " << | |
| 160 it->defvalue << ")" << endl; | |
| 161 } | |
| 162 | |
| 163 os << endl; | |
| 164 for (vector<EntryType>::const_iterator it = entries.begin(); it != entries.end(); ++it) | |
| 165 os << "EXTERN_CFGENTRY (" << it->type << ", " << it->name << ")" << endl; | |
| 166 | |
| 167 os << endl; | |
| 168 os << "static void InitConfigurationEntry (AbstractConfigEntry* entry);" << endl; | |
| 169 os << "static void SetupConfigurationLists()" << endl; | |
| 170 os << "{" << endl; | |
| 171 | |
| 172 for (vector<EntryType>::const_iterator it = entries.begin(); it != entries.end(); ++it) | |
| 173 { | |
| 174 os << "\tInitConfigurationEntry (new " << it->type << "ConfigEntry (&cfg::" << | |
| 175 it->name << ", \"" << it->name << "\", " << it->defvalue << "));" << endl; | |
| 176 } | |
| 177 | |
| 178 os << "}" << endl; | |
| 179 cout << "Wrote configuration options list to " << argv[argc - 1] << "." << endl; | |
| 179 return 0; | 180 return 0; |
| 180 } | 181 } |
