comparison: commands.cxx
commands.cxx
- changeset 36
- a8838b5f1213
- parent 34
- 0a9a5902beaa
- child 38
- e4bbd540663b
equal
deleted
inserted
replaced
| 35:3d3f6ed40171 | 36:a8838b5f1213 |
|---|---|
| 45 #include "common.h" | 45 #include "common.h" |
| 46 #include "scriptreader.h" | 46 #include "scriptreader.h" |
| 47 #include "str.h" | 47 #include "str.h" |
| 48 #include "commands.h" | 48 #include "commands.h" |
| 49 | 49 |
| 50 // ============================================================================ | |
| 51 // Reads command definitions from commands.def and stores them to memory. | |
| 50 void ReadCommands () { | 52 void ReadCommands () { |
| 51 ScriptReader* r = new ScriptReader ("commands.def"); | 53 ScriptReader* r = new ScriptReader ("commands.def"); |
| 52 g_CommDef = NULL; | 54 g_CommDef = NULL; |
| 53 CommandDef* curdef = g_CommDef; | 55 CommandDef* curdef = g_CommDef; |
| 54 unsigned int numCommDefs = 0; | 56 unsigned int numCommDefs = 0; |
| 64 r->MustNext (":"); | 66 r->MustNext (":"); |
| 65 | 67 |
| 66 // Name | 68 // Name |
| 67 r->MustNext (); | 69 r->MustNext (); |
| 68 comm->name = r->token; | 70 comm->name = r->token; |
| 71 if (IsKeyword (comm->name)) | |
| 72 r->ParserError ("command name `%s` conflicts with keyword", comm->name.chars()); | |
| 69 | 73 |
| 70 r->MustNext (":"); | 74 r->MustNext (":"); |
| 71 | 75 |
| 72 // Return value | 76 // Return value |
| 73 r->MustNext (); | 77 r->MustNext (); |
| 140 curdef = comm; | 144 curdef = comm; |
| 141 } | 145 } |
| 142 numCommDefs++; | 146 numCommDefs++; |
| 143 } | 147 } |
| 144 | 148 |
| 149 if (!numCommDefs) | |
| 150 r->ParserError ("no commands defined!\n"); | |
| 151 | |
| 145 r->CloseFile (); | 152 r->CloseFile (); |
| 146 delete r; | 153 delete r; |
| 147 | |
| 148 if (!numCommDefs) | |
| 149 error ("no commands defined!\n"); | |
| 150 printf ("%d command definitions read.\n", numCommDefs); | 154 printf ("%d command definitions read.\n", numCommDefs); |
| 151 } | 155 } |
| 152 | 156 |
| 157 // ============================================================================ | |
| 158 // Get command type by name | |
| 153 int GetCommandType (str t) { | 159 int GetCommandType (str t) { |
| 154 // "float" is for now just int. | 160 // "float" is for now just int. |
| 155 // TODO: find out how BotScript floats work | 161 // TODO: find out how BotScript floats work |
| 156 // (are they real floats or fixed? how are they | 162 // (are they real floats or fixed? how are they |
| 157 // stored?) and add proper floating point support. | 163 // stored?) and add proper floating point number support. |
| 158 // NOTE: Also, shouldn't use RETURNVAL for data types.. | |
| 159 t = t.tolower(); | 164 t = t.tolower(); |
| 160 return !t.compare ("int") ? TYPE_INT : | 165 return !t.compare ("int") ? TYPE_INT : |
| 161 !t.compare ("float") ? TYPE_INT : | 166 !t.compare ("float") ? TYPE_INT : |
| 162 !t.compare ("str") ? TYPE_STRING : | 167 !t.compare ("str") ? TYPE_STRING : |
| 163 !t.compare ("void") ? TYPE_VOID : | 168 !t.compare ("void") ? TYPE_VOID : |
| 164 !t.compare ("bool") ? TYPE_INT : -1; | 169 !t.compare ("bool") ? TYPE_INT : -1; |
| 165 } | 170 } |
| 166 | 171 |
| 167 // Inverse operation | 172 // ============================================================================ |
| 173 // Inverse operation - type name by value | |
| 168 str GetReturnTypeName (int r) { | 174 str GetReturnTypeName (int r) { |
| 169 switch (r) { | 175 switch (r) { |
| 170 case RETURNVAL_INT: return "int"; break; | 176 case RETURNVAL_INT: return "int"; break; |
| 171 case RETURNVAL_STRING: return "str"; break; | 177 case RETURNVAL_STRING: return "str"; break; |
| 172 case RETURNVAL_VOID: return "void"; break; | 178 case RETURNVAL_VOID: return "void"; break; |
| 174 } | 180 } |
| 175 | 181 |
| 176 return ""; | 182 return ""; |
| 177 } | 183 } |
| 178 | 184 |
| 185 // ============================================================================ | |
| 186 // Finds a command by name | |
| 179 CommandDef* FindCommand (str fname) { | 187 CommandDef* FindCommand (str fname) { |
| 180 CommandDef* comm; | 188 CommandDef* comm; |
| 181 ITERATE_COMMANDS (comm) { | 189 ITERATE_COMMANDS (comm) { |
| 182 if (!fname.icompare (comm->name)) | 190 if (!fname.icompare (comm->name)) |
| 183 return comm; | 191 return comm; |
| 184 } | 192 } |
| 185 | 193 |
| 186 return NULL; | 194 return NULL; |
| 187 } | 195 } |
| 188 | 196 |
| 197 // ============================================================================ | |
| 198 // Returns the prototype of the command | |
| 189 str GetCommandPrototype (CommandDef* comm) { | 199 str GetCommandPrototype (CommandDef* comm) { |
| 190 str text; | 200 str text; |
| 191 text += GetReturnTypeName (comm->returnvalue); | 201 text += GetReturnTypeName (comm->returnvalue); |
| 192 text += ' '; | 202 text += ' '; |
| 193 text += comm->name; | 203 text += comm->name; |
