- #endif
-
- switch( (enum eSpiderScript_DataTypes)Type )
- {
- case SS_DATATYPE_UNDEF:
- case SS_DATATYPE_ARRAY:
- case SS_DATATYPE_OPAQUE:
- case SS_DATATYPE_OBJECT:
- AST_RuntimeError(NULL, "Invalid cast to %i", Type);
- return ERRPTR;
-
- case SS_DATATYPE_INTEGER:
- ret = malloc(sizeof(tSpiderValue));
- ret->Type = SS_DATATYPE_INTEGER;
- ret->ReferenceCount = 1;
- switch(Source->Type)
- {
- case SS_DATATYPE_INTEGER: break; // Handled above
- case SS_DATATYPE_STRING: ret->Integer = atoi(Source->String.Data); break;
- case SS_DATATYPE_REAL: ret->Integer = Source->Real; break;
- default:
- AST_RuntimeError(NULL, "Invalid cast from %i to Integer", Source->Type);
- free(ret);
- ret = ERRPTR;
- break;
- }
- break;
-
- case SS_DATATYPE_STRING:
- switch(Source->Type)
- {
- case SS_DATATYPE_INTEGER: len = snprintf(NULL, 0, "%li", Source->Integer); break;
- case SS_DATATYPE_REAL: snprintf(NULL, 0, "%f", Source->Real); break;
- default: break;
- }
- ret = malloc(sizeof(tSpiderValue) + len + 1);
- ret->Type = SS_DATATYPE_STRING;
- ret->ReferenceCount = 1;
- ret->String.Length = len;
- switch(Source->Type)
- {
- case SS_DATATYPE_INTEGER: sprintf(ret->String.Data, "%li", Source->Integer); break;
- case SS_DATATYPE_REAL: sprintf(ret->String.Data, "%f", Source->Real); break;
- default:
- AST_RuntimeError(NULL, "Invalid cast from %i to String", Source->Type);
- free(ret);
- ret = ERRPTR;
- break;
- }
- break;
-
- default:
- AST_RuntimeError(NULL, "BUG - BUG REPORT: Unimplemented cast target");
- break;
- }
-
- return ret;
-}
-
-/**
- * \brief Condenses a value down to a boolean
- */
-int SpiderScript_IsValueTrue(tSpiderValue *Value)
-{
- if( Value == ERRPTR ) return 0;
- if( Value == NULL ) return 0;
-
- switch( (enum eSpiderScript_DataTypes)Value->Type )
- {
- case SS_DATATYPE_UNDEF:
- return 0;
-
- case SS_DATATYPE_INTEGER:
- return !!Value->Integer;
-
- case SS_DATATYPE_REAL:
- return (-.5f < Value->Real && Value->Real < 0.5f);
-
- case SS_DATATYPE_STRING:
- return Value->String.Length > 0;
-
- case SS_DATATYPE_OBJECT:
- return Value->Object != NULL;
-
- case SS_DATATYPE_OPAQUE:
- return Value->Opaque.Data != NULL;
-
- case SS_DATATYPE_ARRAY:
- return Value->Array.Length > 0;
- default:
- AST_RuntimeError(NULL, "Unknown type %i in SpiderScript_IsValueTrue", Value->Type);
- return 0;
- }
- return 0;
-}
-
-/**
- * \brief Free a value
- * \note Just calls Object_Dereference
- */
-void SpiderScript_FreeValue(tSpiderValue *Value)
-{
- Object_Dereference(Value);
-}
-
-/**
- * \brief Dump a value into a string
- * \return Heap string
- */
-char *SpiderScript_DumpValue(tSpiderValue *Value)
-{
- char *ret;
- if( Value == ERRPTR )
- return strdup("ERRPTR");
- if( Value == NULL )
- return strdup("null");
-
- switch( (enum eSpiderScript_DataTypes)Value->Type )
- {
- case SS_DATATYPE_UNDEF: return strdup("undefined");
-
- case SS_DATATYPE_INTEGER:
- ret = malloc( sizeof(Value->Integer)*2 + 3 );
- sprintf(ret, "0x%lx", Value->Integer);
- return ret;
-
- case SS_DATATYPE_REAL:
- ret = malloc( sprintf(NULL, "%f", Value->Real) + 1 );
- sprintf(ret, "%f", Value->Real);
- return ret;
-
- case SS_DATATYPE_STRING:
- ret = malloc( Value->String.Length + 3 );
- ret[0] = '"';
- strcpy(ret+1, Value->String.Data);
- ret[Value->String.Length+1] = '"';
- ret[Value->String.Length+2] = '\0';
- return ret;
-
- case SS_DATATYPE_OBJECT:
- ret = malloc( sprintf(NULL, "{%s *%p}", Value->Object->Type->Name, Value->Object) + 1 );
- sprintf(ret, "{%s *%p}", Value->Object->Type->Name, Value->Object);
- return ret;
-
- case SS_DATATYPE_OPAQUE:
- ret = malloc( sprintf(NULL, "*%p", Value->Opaque.Data) + 1 );
- sprintf(ret, "*%p", Value->Opaque.Data);
- return ret;
-
- case SS_DATATYPE_ARRAY:
- return strdup("Array");
-
- default:
- AST_RuntimeError(NULL, "Unknown type %i in Object_Dump", Value->Type);
- return NULL;
- }
-
-}
-
-/**
- * \brief Execute a script function
- * \param Script Script context to execute in
- * \param Function Function name to execute
- * \param NArguments Number of arguments to pass
- * \param Arguments Arguments passed
- */
-tSpiderValue *SpiderScript_ExecuteFunction(tSpiderScript *Script,
- tSpiderNamespace *Namespace, const char *Function,
- int NArguments, tSpiderValue **Arguments)
-{
- char *trueName = NULL;
- int bFound = 0; // Used to keep nesting levels down
- tSpiderValue *ret = ERRPTR;
- tSpiderFunction *fcn;
-
- // First: Find the function in the script
- {
- tAST_Function *astFcn;
- for( astFcn = Script->Script->Functions; astFcn; astFcn = astFcn->Next )
- {
- if( strcmp(astFcn->Name, Function) == 0 )
- break;
- }
- // Execute!
- if(astFcn)
- {
- tAST_BlockState bs;
- tAST_Node *arg;
- int i = 0;
-
- // Build a block State
- bs.FirstVar = NULL;
- bs.RetVal = NULL;
- bs.Parent = NULL;
- bs.BaseNamespace = &Script->Variant->RootNamespace;
- bs.CurNamespace = NULL;
- bs.Script = Script;