--- /dev/null
+/*
+ Copyright (C) 2012 Modelon AB
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the BSD style license.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ FMILIB_License.txt file for more details.
+
+ You should have received a copy of the FMILIB_License.txt file
+ along with this program. If not, contact Modelon AB <http://www.modelon.com>.
+*/
+
+#include <string.h>
+#include <stdio.h>
+
+#include <JM/jm_vector.h>
+
+#include "fmi2_xml_parser.h"
+#include "fmi2_xml_type_impl.h"
+#include "fmi2_xml_model_description_impl.h"
+
+#include "fmi2_xml_variable_impl.h"
+
+static const char* module = "FMI2XML";
+
+const char* fmi2_xml_get_variable_name(fmi2_xml_variable_t* v) {
+ return v->name;
+}
+
+const char* fmi2_xml_get_variable_description(fmi2_xml_variable_t* v) {
+ return v->description;
+}
+
+size_t fmi2_xml_get_variable_original_order(fmi2_xml_variable_t* v) {
+ return v->originalIndex;
+}
+
+fmi2_value_reference_t fmi2_xml_get_variable_vr(fmi2_xml_variable_t* v) {
+ return v->vr;
+}
+
+fmi2_variable_alias_kind_enu_t fmi2_xml_get_variable_alias_kind(fmi2_xml_variable_t* v) {
+ return (fmi2_variable_alias_kind_enu_t)v->aliasKind;
+}
+
+fmi2_xml_variable_t* fmi2_xml_get_variable_alias_base(fmi2_xml_model_description_t* md, fmi2_xml_variable_t* v) {
+ fmi2_xml_variable_t key;
+ fmi2_xml_variable_t *pkey = &key, *base;
+ void ** found;
+ if(!md->variablesByVR) return 0;
+ if(v->aliasKind == fmi2_variable_is_not_alias) return v;
+ key = *v;
+ key.aliasKind = fmi2_variable_is_not_alias;
+
+ found = jm_vector_bsearch(jm_voidp)(md->variablesByVR,(void**)&pkey, fmi2_xml_compare_vr);
+ assert(found);
+ base = *found;
+ return base;
+}
+
+/*
+ Return the list of all the variables aliased to the given one (including the base one.
+ The list is ordered: base variable, aliases.
+*/
+jm_status_enu_t fmi2_xml_get_variable_aliases(fmi2_xml_model_description_t* md,fmi2_xml_variable_t* v, jm_vector(jm_voidp)* list) {
+ fmi2_xml_variable_t key, *cur;
+ fmi2_value_reference_t vr = fmi2_xml_get_variable_vr(v);
+ size_t baseIndex, i, num = jm_vector_get_size(jm_voidp)(md->variablesByVR);
+ key = *v;
+ key.aliasKind = 0;
+ cur = &key;
+ baseIndex = jm_vector_bsearch_index(jm_voidp)(md->variablesByVR,(void**)&cur, fmi2_xml_compare_vr);
+ cur = (fmi2_xml_variable_t*)jm_vector_get_item(jm_voidp)(md->variablesByVR, baseIndex);
+ assert(cur);
+ i = baseIndex + 1;
+ while(fmi2_xml_get_variable_vr(cur) == vr) {
+ if(!jm_vector_push_back(jm_voidp)(list, cur)) {
+ jm_log_fatal(md->callbacks,module,"Could not allocate memory");
+ return jm_status_error;
+ };
+ if(i >= num) break;
+ cur = (fmi2_xml_variable_t*)jm_vector_get_item(jm_voidp)(md->variablesByVR, i);
+ assert(cur);
+ i++;
+ }
+ if(baseIndex) {
+ i = baseIndex - 1;
+ cur = (fmi2_xml_variable_t*)jm_vector_get_item(jm_voidp)(md->variablesByVR, i);
+ while(fmi2_xml_get_variable_vr(cur) == vr) {
+ if(!jm_vector_push_back(jm_voidp)(list, cur)) {
+ jm_log_fatal(md->callbacks,module,"Could not allocate memory");
+ return jm_status_error;
+ };
+ i--;
+ if(!i) break;
+ cur = (fmi2_xml_variable_t*)jm_vector_get_item(jm_voidp)(md->variablesByVR, i - 1);
+ assert(cur);
+ }
+ }
+ return jm_status_success;
+}
+
+
+fmi2_xml_variable_typedef_t* fmi2_xml_get_variable_declared_type(fmi2_xml_variable_t* v) {
+ return (fmi2_xml_variable_typedef_t*)(fmi2_xml_find_type_struct(v->typeBase, fmi2_xml_type_struct_enu_typedef));
+}
+
+fmi2_base_type_enu_t fmi2_xml_get_variable_base_type(fmi2_xml_variable_t* v) {
+ fmi2_xml_variable_type_base_t* type = v->typeBase;
+ return (type->baseType);
+}
+
+int fmi2_xml_get_variable_has_start(fmi2_xml_variable_t* v) {
+ return (v->typeBase->structKind == fmi2_xml_type_struct_enu_start);
+}
+
+fmi2_variability_enu_t fmi2_xml_get_variability(fmi2_xml_variable_t* v) {
+ return (fmi2_variability_enu_t)v->variability;
+}
+
+fmi2_causality_enu_t fmi2_xml_get_causality(fmi2_xml_variable_t* v) {
+ return (fmi2_causality_enu_t)v->causality;
+}
+
+fmi2_initial_enu_t fmi2_xml_get_initial(fmi2_xml_variable_t* v) {
+ return (fmi2_initial_enu_t)v->initial;
+}
+
+fmi2_xml_variable_t* fmi2_xml_get_previous(fmi2_xml_variable_t* v) {
+ return v->previous;
+}
+
+fmi2_boolean_t fmi2_xml_get_canHandleMultipleSetPerTimeInstant(fmi2_xml_variable_t* v) {
+ return (fmi2_boolean_t)v->canHandleMultipleSetPerTimeInstant;
+}
+
+
+double fmi2_xml_get_real_variable_start(fmi2_xml_real_variable_t* v) {
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ if(fmi2_xml_get_variable_has_start(vv)) {
+ fmi2_xml_variable_start_real_t* start = (fmi2_xml_variable_start_real_t*)(vv->typeBase);
+ return start->start;
+ }
+ return fmi2_xml_get_real_variable_nominal(v);
+}
+
+fmi2_xml_real_variable_t* fmi2_xml_get_real_variable_derivative_of(fmi2_xml_real_variable_t* v) {
+ fmi2_xml_variable_t *vv = (fmi2_xml_variable_t *)v;
+
+ return (fmi2_xml_real_variable_t *)vv->derivativeOf;
+}
+
+fmi2_boolean_t fmi2_xml_get_real_variable_reinit(fmi2_xml_real_variable_t* v) {
+ fmi2_xml_variable_t *vv = (fmi2_xml_variable_t *)v;
+ return (fmi2_boolean_t)vv->reinit;
+}
+
+fmi2_xml_unit_t* fmi2_xml_get_real_variable_unit(fmi2_xml_real_variable_t* v) {
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ fmi2_xml_real_type_props_t* props = (fmi2_xml_real_type_props_t*)(fmi2_xml_find_type_struct(vv->typeBase, fmi2_xml_type_struct_enu_props));
+ if(!props || !props->displayUnit) return 0;
+ return props->displayUnit->baseUnit;
+}
+
+fmi2_xml_display_unit_t* fmi2_xml_get_real_variable_display_unit(fmi2_xml_real_variable_t* v) {
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ fmi2_xml_real_type_props_t* props = (fmi2_xml_real_type_props_t*)(fmi2_xml_find_type_struct(vv->typeBase, fmi2_xml_type_struct_enu_props));
+ if(!props || !props->displayUnit || !props->displayUnit->displayUnit[0]) return 0;
+ return props->displayUnit;
+}
+
+double fmi2_xml_get_real_variable_max(fmi2_xml_real_variable_t* v) {
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ fmi2_xml_real_type_props_t* props = (fmi2_xml_real_type_props_t*)(fmi2_xml_find_type_props(vv->typeBase));
+ assert(props);
+ return props->typeMax;
+}
+
+double fmi2_xml_get_real_variable_min(fmi2_xml_real_variable_t* v) {
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ fmi2_xml_real_type_props_t* props = (fmi2_xml_real_type_props_t*)(fmi2_xml_find_type_props(vv->typeBase));
+ assert(props);
+ return props->typeMin;
+}
+
+double fmi2_xml_get_real_variable_nominal(fmi2_xml_real_variable_t* v){
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ fmi2_xml_real_type_props_t* props = (fmi2_xml_real_type_props_t*)(fmi2_xml_find_type_props(vv->typeBase));
+ assert(props);
+ return props->typeNominal;
+}
+
+int fmi2_xml_get_integer_variable_start(fmi2_xml_integer_variable_t* v){
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ if(fmi2_xml_get_variable_has_start(vv)) {
+ fmi2_xml_variable_start_integer_t* start = (fmi2_xml_variable_start_integer_t*)(vv->typeBase);
+ return start->start;
+ }
+ return 0;
+}
+
+int fmi2_xml_get_integer_variable_min(fmi2_xml_integer_variable_t* v){
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ fmi2_xml_integer_type_props_t* props = (fmi2_xml_integer_type_props_t*)(fmi2_xml_find_type_props(vv->typeBase));
+ assert(props);
+ return props->typeMin;
+}
+
+int fmi2_xml_get_integer_variable_max(fmi2_xml_integer_variable_t* v){
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ fmi2_xml_integer_type_props_t* props = (fmi2_xml_integer_type_props_t*)(fmi2_xml_find_type_props(vv->typeBase));
+ assert(props);
+ return props->typeMax;
+}
+
+int fmi2_xml_get_enum_variable_min(fmi2_xml_enum_variable_t* v){
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ fmi2_xml_variable_type_base_t* props = fmi2_xml_find_type_props(vv->typeBase);
+ return ((fmi2_xml_enum_variable_props_t*)props)->typeMin;
+}
+
+int fmi2_xml_get_enum_variable_max(fmi2_xml_enum_variable_t* v){
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ fmi2_xml_enum_variable_props_t* props =
+ (fmi2_xml_enum_variable_props_t*)(fmi2_xml_find_type_props(vv->typeBase));
+ assert(props);
+ return props->typeMax;
+}
+
+const char* fmi2_xml_get_string_variable_start(fmi2_xml_string_variable_t* v){
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ if(fmi2_xml_get_variable_has_start(vv)) {
+ fmi2_xml_variable_start_string_t* start = (fmi2_xml_variable_start_string_t*)(vv->typeBase);
+ return start->start;
+ }
+ return 0;
+}
+
+int fmi2_xml_get_enum_variable_start(fmi2_xml_enum_variable_t* v) {
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ if(fmi2_xml_get_variable_has_start(vv)) {
+ fmi2_xml_variable_start_integer_t* start = (fmi2_xml_variable_start_integer_t*)(vv->typeBase);
+ return start->start;
+ }
+ return 0;
+}
+
+fmi2_boolean_t fmi2_xml_get_boolean_variable_start(fmi2_xml_bool_variable_t* v) {
+ fmi2_xml_variable_t* vv = (fmi2_xml_variable_t*)v;
+ if(fmi2_xml_get_variable_has_start(vv)) {
+ fmi2_xml_variable_start_integer_t* start = (fmi2_xml_variable_start_integer_t*)(vv->typeBase);
+ return start->start;
+ }
+ return 0;
+}
+
+fmi2_xml_real_variable_t* fmi2_xml_get_variable_as_real(fmi2_xml_variable_t* v) {
+ if(fmi2_xml_get_variable_base_type(v) == fmi2_base_type_real) return (void*)v;
+ return 0;
+}
+
+fmi2_xml_integer_variable_t* fmi2_xml_get_variable_as_integer(fmi2_xml_variable_t*v){
+ if(fmi2_xml_get_variable_base_type(v) == fmi2_base_type_int) return (void*)v;
+ return 0;
+}
+fmi2_xml_enum_variable_t* fmi2_xml_get_variable_as_enum(fmi2_xml_variable_t* v){
+ if(fmi2_xml_get_variable_base_type(v) == fmi2_base_type_enum) return (void*)v;
+ return 0;
+}
+fmi2_xml_string_variable_t* fmi2_xml_get_variable_as_string(fmi2_xml_variable_t* v){
+ if(fmi2_xml_get_variable_base_type(v) == fmi2_base_type_str) return (void*)v;
+ return 0;
+}
+fmi2_xml_bool_variable_t* fmi2_xml_get_variable_as_boolean(fmi2_xml_variable_t* v){
+ if(fmi2_xml_get_variable_base_type(v) == fmi2_base_type_bool) return (void*)v;
+ return 0;
+}
+
+int fmi2_xml_handle_ScalarVariable(fmi2_xml_parser_context_t *context, const char* data) {
+ if(!data) {
+ fmi2_xml_model_description_t* md = context->modelDescription;
+ fmi2_xml_variable_t* variable;
+ fmi2_xml_variable_t dummyV;
+ const char* description = 0;
+ jm_named_ptr named, *pnamed;
+ jm_vector(char)* bufName = fmi2_xml_reserve_parse_buffer(context,1,100);
+ jm_vector(char)* bufDescr = fmi2_xml_reserve_parse_buffer(context,2,100);
+ unsigned int vr;
+
+ if(!bufName || !bufDescr) return -1;
+
+ /* <xs:attribute name="valueReference" type="xs:unsignedInt" use="optional but required for FMI"> */
+ if(fmi2_xml_set_attr_uint(context, fmi2_xml_elmID_ScalarVariable, fmi_attr_id_valueReference, 1, &vr, 0)) return -1;
+
+ if(
+ /* <xs:attribute name="name" type="xs:normalizedString" use="required"/> */
+ fmi2_xml_set_attr_string(context, fmi2_xml_elmID_ScalarVariable, fmi_attr_id_name, 1, bufName) ||
+ /* <xs:attribute name="description" type="xs:string"/> */
+ fmi2_xml_set_attr_string(context, fmi2_xml_elmID_ScalarVariable, fmi_attr_id_description, 0, bufDescr)
+ ) return -1;
+
+ if(context->skipOneVariableFlag) {
+ jm_log_error(context->callbacks,module, "Ignoring variable with undefined vr '%s'", jm_vector_get_itemp(char)(bufName,0));
+ return 0;
+ }
+ if(jm_vector_get_size(char)(bufDescr)) {
+ description = jm_string_set_put(&md->descriptions, jm_vector_get_itemp(char)(bufDescr,0));
+ }
+
+ named.ptr = 0;
+ named.name = 0;
+ pnamed = jm_vector_push_back(jm_named_ptr)(&md->variablesByName, named);
+
+ if(pnamed) *pnamed = named = jm_named_alloc_v(bufName,sizeof(fmi2_xml_variable_t), dummyV.name - (char*)&dummyV, context->callbacks);
+ variable = named.ptr;
+ if( !pnamed || !variable ) {
+ fmi2_xml_parse_fatal(context, "Could not allocate memory");
+ return -1;
+ }
+ variable->vr = vr;
+ variable->description = description;
+ variable->typeBase = 0;
+ variable->originalIndex = jm_vector_get_size(jm_named_ptr)(&md->variablesByName) - 1;
+ variable->derivativeOf = 0;
+ variable->previous = 0;
+ variable->aliasKind = fmi2_variable_is_not_alias;
+ variable->reinit = 0;
+ variable->canHandleMultipleSetPerTimeInstant = 1;
+
+ {
+ jm_name_ID_map_t causalityConventionMap[] = {{"local",fmi2_causality_enu_local},
+ {"input",fmi2_causality_enu_input},
+ {"output",fmi2_causality_enu_output},
+ {"parameter",fmi2_causality_enu_parameter},
+ {"calculatedParameter",fmi2_causality_enu_calculated_parameter},
+ {"independent",fmi2_causality_enu_independent},
+ {0,0}};
+ jm_name_ID_map_t variabilityConventionMap[] = {{"continuous",fmi2_variability_enu_continuous},
+ {"constant", fmi2_variability_enu_constant},
+ {"fixed", fmi2_variability_enu_fixed},
+ {"tunable", fmi2_variability_enu_tunable},
+ {"discrete", fmi2_variability_enu_discrete},
+ {0,0}};
+ jm_name_ID_map_t initialConventionMap[] = {{"approx",fmi2_initial_enu_approx},
+ {"calculated",fmi2_initial_enu_calculated},
+ {"exact",fmi2_initial_enu_exact},
+ {0,0}};
+ unsigned int causality, variability, initial;
+ fmi2_initial_enu_t defaultInitial;
+ /* <xs:attribute name="causality" default="local"> */
+ if(fmi2_xml_set_attr_enum(context, fmi2_xml_elmID_ScalarVariable, fmi_attr_id_causality,0,&causality,fmi2_causality_enu_local,causalityConventionMap))
+ causality = fmi2_causality_enu_local;
+ variable->causality = causality;
+ /* <xs:attribute name="variability" default="continuous"> */
+ if(fmi2_xml_set_attr_enum(context, fmi2_xml_elmID_ScalarVariable, fmi_attr_id_variability,0,&variability,fmi2_variability_enu_continuous,variabilityConventionMap))
+ variability = fmi2_variability_enu_continuous;
+
+ defaultInitial = fmi2_get_default_initial((fmi2_variability_enu_t)variability, (fmi2_causality_enu_t)causality);
+ if(defaultInitial == fmi2_initial_enu_unknown) {
+ fmi2_xml_parse_error(context,"Invalid combination of variability %s and causality %s. Setting variability to 'fixed'",
+ fmi2_variability_to_string((fmi2_variability_enu_t)variability),
+ fmi2_causality_to_string((fmi2_causality_enu_t)causality));
+ variability = fmi2_variability_enu_fixed;
+ defaultInitial = fmi2_get_default_initial((fmi2_variability_enu_t)variability, (fmi2_causality_enu_t)causality);
+ }
+ variable->variability = variability;
+
+ /* <xs:attribute name="initial"> */
+ if(fmi2_xml_set_attr_enum(context, fmi2_xml_elmID_ScalarVariable, fmi_attr_id_initial,0,&initial,defaultInitial,initialConventionMap))
+ initial = defaultInitial;
+ defaultInitial = fmi2_get_valid_initial((fmi2_variability_enu_t)variability, (fmi2_causality_enu_t)causality, (fmi2_initial_enu_t) initial);
+ if(defaultInitial != initial) {
+ fmi2_xml_parse_error(context,"Initial '%s' is not allowed for variability '%s' and causality '%s'. Setting initial to '%s'",
+ fmi2_initial_to_string((fmi2_initial_enu_t)initial),
+ fmi2_variability_to_string((fmi2_variability_enu_t)variability),
+ fmi2_causality_to_string((fmi2_causality_enu_t)causality),
+ fmi2_initial_to_string(defaultInitial));
+ initial = defaultInitial;
+ }
+ variable->initial = initial;
+ }
+ {
+ unsigned int previous, multipleSet;
+ if (
+ /* <xs:attribute name="previous" type="xs:unsignedInt"> */
+ fmi2_xml_set_attr_uint(context, fmi2_xml_elmID_ScalarVariable, fmi_attr_id_previous, 0, &previous, 0) ||
+ /* <xs:attribute name="canHandleMultipleSetPerTimeInstant" type="xs:boolean"> */
+ fmi2_xml_set_attr_boolean(context, fmi2_xml_elmID_ScalarVariable, fmi_attr_id_canHandleMultipleSetPerTimeInstant, 0, &multipleSet, 1)
+ ) return -1;
+
+ /* Store the index as a pointer since we cannot access the variables list yet (we are constructing it). */
+ variable->previous = (void*)((char *)NULL + previous);
+ variable->canHandleMultipleSetPerTimeInstant = (char)multipleSet;
+
+ if (variable->variability != fmi2_causality_enu_input && !multipleSet) {
+ fmi2_xml_parse_error(context, "Only variables with causality='input' can have canHandleMultipleSetPerTimeInstant=false");
+ return -1;
+ }
+ }
+ }
+ else {
+ if(context->skipOneVariableFlag) {
+ context->skipOneVariableFlag = 0;
+ }
+ else {
+ /* check that the type for the variable is set */
+ fmi2_xml_model_description_t* md = context->modelDescription;
+ fmi2_xml_variable_t* variable = jm_vector_get_last(jm_named_ptr)(&md->variablesByName).ptr;
+ if(!variable->typeBase) {
+ jm_log_error(context->callbacks, module, "No variable type element for variable %s. Assuming Real.", variable->name);
+
+ return fmi2_xml_handle_RealVariable(context, data);
+ }
+ }
+ /* might give out a warning if(data[0] != 0) */
+ }
+ return 0;
+}
+
+int fmi2_xml_get_has_start(fmi2_xml_parser_context_t *context, fmi2_xml_variable_t* variable) {
+ int hasStart = fmi2_xml_is_attr_defined(context, fmi_attr_id_start);
+ if(!hasStart) {
+ /*
+ Variables with causality = "parameter" or "input", as well as variables with variability = "constant", must have a "start" value.
+ If initial = exact or approx, a start value must be provided.
+ The second condition is actually enough since parameters and inputs and constants must be "initial=exact"
+ */
+ if( (variable->causality == (char)fmi2_causality_enu_parameter)
+ || (variable->causality == (char)fmi2_causality_enu_input)
+ || (variable->variability == (char)fmi2_variability_enu_constant)) {
+ assert(variable->initial != (char)fmi2_initial_enu_exact);
+ }
+
+ if (variable->initial != (char)fmi2_initial_enu_calculated)
+ {
+ fmi2_xml_parse_error(context, "Start attribute is required for this causality, variability and initial combination");
+ hasStart = 1;
+ }
+ }
+ else {
+ /* If initial = calculated, it is not allowed to provide a start value. */
+ if(variable->initial == (char)fmi2_initial_enu_calculated) {
+ fmi2_xml_parse_error(context, "Start attribute is not allowed for variables with initial='calculated'");
+ hasStart = 0;
+ }
+ }
+ return hasStart;
+}
+
+static void fmi2_log_error_if_start_required(
+ fmi2_xml_parser_context_t *context,
+ fmi2_xml_variable_t *variable)
+{
+ if (variable->causality == fmi2_causality_enu_input) {
+ jm_log_error(context->callbacks,
+ "Error: variable %s: start value required for input variables",
+ variable->name);
+ } else if (variable->causality == fmi2_causality_enu_parameter) {
+ jm_log_error(context->callbacks,
+ "Error: variable %s: start value required for parameter variables",
+ variable->name);
+ } else if (variable->variability == fmi2_variability_enu_constant) {
+ jm_log_error(context->callbacks,
+ "Error: variable %s: start value required for variables with constant variability",
+ variable->name);
+ } else if (variable->initial == fmi2_initial_enu_exact) {
+ jm_log_error(context->callbacks,
+ "Error: variable %s: start value required for variables with initial == \"exact\"",
+ variable->name);
+ } else if (variable->initial == fmi2_initial_enu_approx) {
+ jm_log_error(context->callbacks,
+ "Error: variable %s: start value required for variables with initial == \"approx\"",
+ variable->name);
+ }
+}
+
+int fmi2_xml_handle_RealVariable(fmi2_xml_parser_context_t *context, const char* data) {
+ if(context->skipOneVariableFlag) return 0;
+
+ if(!data) {
+ fmi2_xml_model_description_t* md = context->modelDescription;
+ fmi2_xml_variable_t* variable = jm_vector_get_last(jm_named_ptr)(&md->variablesByName).ptr;
+ fmi2_xml_type_definitions_t* td = &md->typeDefinitions;
+ fmi2_xml_variable_type_base_t * declaredType = 0;
+ fmi2_xml_real_type_props_t * type = 0;
+ int hasStart;
+
+ assert(!variable->typeBase);
+
+ declaredType = fmi2_get_declared_type(context, fmi2_xml_elmID_Real, &td->defaultRealType.typeBase);
+
+ if(!declaredType) return -1;
+
+ {
+ int hasUnit = fmi2_xml_is_attr_defined(context, fmi_attr_id_unit) ||
+ fmi2_xml_is_attr_defined(context, fmi_attr_id_displayUnit);
+ int hasMin = fmi2_xml_is_attr_defined(context, fmi_attr_id_min);
+ int hasMax = fmi2_xml_is_attr_defined(context, fmi_attr_id_max);
+ int hasNom = fmi2_xml_is_attr_defined(context, fmi_attr_id_nominal);
+ int hasQuan = fmi2_xml_is_attr_defined(context, fmi_attr_id_quantity);
+ int hasRelQ = fmi2_xml_is_attr_defined(context, fmi_attr_id_relativeQuantity);
+ int hasUnb = fmi2_xml_is_attr_defined(context, fmi_attr_id_unbounded);
+
+
+ if(hasUnit || hasMin || hasMax || hasNom || hasQuan || hasRelQ ||hasUnb) {
+ fmi2_xml_real_type_props_t* props = 0;
+
+ if(declaredType->structKind == fmi2_xml_type_struct_enu_typedef)
+ props = (fmi2_xml_real_type_props_t*)(declaredType->baseTypeStruct);
+ else
+ props = (fmi2_xml_real_type_props_t* )declaredType;
+
+ fmi2_xml_reserve_parse_buffer(context, 1, 0);
+ fmi2_xml_reserve_parse_buffer(context, 2, 0);
+
+ type = fmi2_xml_parse_real_type_properties(context, fmi2_xml_elmID_Real);
+
+ if(!type) return -1;
+ type->typeBase.baseTypeStruct = declaredType;
+ if( !hasUnit) type->displayUnit = props->displayUnit;
+ if( !hasMin) type->typeMin = props->typeMin;
+ if( !hasMax) type->typeMax = props->typeMax;
+ if( !hasNom) type->typeNominal = props->typeNominal;
+ if( !hasQuan) type->quantity = props->quantity;
+ if( !hasRelQ) type->typeBase.isRelativeQuantity = type->typeBase.isRelativeQuantity;
+ if( !hasUnb) type->typeBase.isUnbounded = type->typeBase.isUnbounded;
+ }
+ else
+ type = (fmi2_xml_real_type_props_t*)declaredType;
+ }
+ variable->typeBase = &type->typeBase;
+
+ hasStart = fmi2_xml_get_has_start(context, variable);
+
+ if(hasStart) {
+ fmi2_xml_variable_start_real_t * start = (fmi2_xml_variable_start_real_t*)fmi2_xml_alloc_variable_type_start(td, &type->typeBase, sizeof(fmi2_xml_variable_start_real_t));
+ if(!start) {
+ fmi2_xml_parse_fatal(context, "Could not allocate memory");
+ return -1;
+ }
+ if(
+ /* <xs:attribute name="start" type="xs:double"/> */
+ fmi2_xml_set_attr_double(context, fmi2_xml_elmID_Real, fmi_attr_id_start, 0, &start->start, 0)
+ )
+ return -1;
+ variable->typeBase = &start->typeBase;
+ } else {
+ fmi2_log_error_if_start_required(context, variable);
+ }
+
+ {
+ /* <xs:attribute name="derivative" type="xs:unsignedInt"> */
+ unsigned int derivativeOf;
+ unsigned int reinit;
+
+ if(fmi2_xml_set_attr_uint(context, fmi2_xml_elmID_Real,
+ fmi_attr_id_derivative, 0, &derivativeOf, 0)) return -1;
+ /* TODO: consider: is it ok to read in an unsigned int to store in a size_t? */
+ /* Store the index as a pointer since we cannot access the variables list yet (we are constructing it). */
+ variable->derivativeOf = (void *)((char *)NULL + derivativeOf);
+
+ /* <xs:attribute name="reinit" type="xs:boolean" use="optional" default="false"> */
+ if(fmi2_xml_set_attr_boolean(context, fmi2_xml_elmID_Real,
+ fmi_attr_id_reinit, 0, &reinit, 0)) return -1;
+ variable->reinit = (char)reinit;
+
+ if (variable->variability != fmi2_variability_enu_continuous && reinit) {
+ /* If reinit is true, this variable must be continuous. */
+ fmi2_xml_parse_error(context, "The reinit attribute may only be set on continuous-time states.");
+ return -1;
+ }
+ }
+ }
+ else {
+ /* don't do anything. might give out a warning if(data[0] != 0) */
+ return 0;
+ }
+ return 0;
+}
+
+int fmi2_xml_handle_IntegerVariable(fmi2_xml_parser_context_t *context, const char* data) {
+ if(context->skipOneVariableFlag) return 0;
+
+ if(!data) {
+ fmi2_xml_model_description_t* md = context->modelDescription;
+ fmi2_xml_type_definitions_t* td = &md->typeDefinitions;
+ fmi2_xml_variable_t* variable = jm_vector_get_last(jm_named_ptr)(&md->variablesByName).ptr;
+ fmi2_xml_variable_type_base_t * declaredType = 0;
+ fmi2_xml_integer_type_props_t * type = 0;
+ int hasStart;
+
+ declaredType = fmi2_get_declared_type(context, fmi2_xml_elmID_Integer,&td->defaultIntegerType.typeBase) ;
+
+ if(!declaredType) return -1;
+ {
+ int hasMin = fmi2_xml_is_attr_defined(context,fmi_attr_id_min);
+ int hasMax = fmi2_xml_is_attr_defined(context,fmi_attr_id_max);
+ int hasQuan = fmi2_xml_is_attr_defined(context,fmi_attr_id_quantity);
+ if( hasMin || hasMax || hasQuan) {
+ fmi2_xml_integer_type_props_t* props = 0;
+
+ if(declaredType->structKind != fmi2_xml_type_struct_enu_typedef)
+ props = (fmi2_xml_integer_type_props_t*)declaredType;
+ else
+ props = (fmi2_xml_integer_type_props_t*)(declaredType->baseTypeStruct);
+ assert(props->typeBase.structKind == fmi2_xml_type_struct_enu_props);
+ fmi2_xml_reserve_parse_buffer(context, 1, 0);
+ fmi2_xml_reserve_parse_buffer(context, 2, 0);
+ type = fmi2_xml_parse_integer_type_properties(context, fmi2_xml_elmID_Integer);
+ if(!type) return -1;
+ type->typeBase.baseTypeStruct = declaredType;
+ if(!hasMin) type->typeMin = props->typeMin;
+ if(!hasMax) type->typeMax = props->typeMax;
+ if(!hasQuan) type->quantity = props->quantity;
+ }
+ else
+ type = (fmi2_xml_integer_type_props_t*)declaredType;
+ }
+ variable->typeBase = &type->typeBase;
+
+ hasStart = fmi2_xml_get_has_start(context, variable);
+ if(hasStart) {
+ fmi2_xml_variable_start_integer_t * start = (fmi2_xml_variable_start_integer_t*)fmi2_xml_alloc_variable_type_start(td, &type->typeBase, sizeof(fmi2_xml_variable_start_integer_t));
+ if(!start) {
+ fmi2_xml_parse_fatal(context, "Could not allocate memory");
+ return -1;
+ }
+ if(
+ /* <xs:attribute name="start" type="xs:integer"/> */
+ fmi2_xml_set_attr_int(context, fmi2_xml_elmID_Integer, fmi_attr_id_start, 0, &start->start, 0)
+ ) {
+ /* not sure how to peek a default here (and start is probably required attriute)*/
+ jm_log_error(context->callbacks, module, "Start value zero will be assumed.");
+ start->start = 0;
+ }
+ variable->typeBase = &start->typeBase;
+ } else {
+ fmi2_log_error_if_start_required(context, variable);
+ }
+ }
+ else {
+ /* don't do anything. might give out a warning if(data[0] != 0) */
+ return 0;
+ }
+ return 0;
+}
+
+int fmi2_xml_handle_BooleanVariable(fmi2_xml_parser_context_t *context, const char* data) {
+ if(context->skipOneVariableFlag) return 0;
+
+ if(!data) {
+ fmi2_xml_model_description_t* md = context->modelDescription;
+ fmi2_xml_type_definitions_t* td = &md->typeDefinitions;
+ fmi2_xml_variable_t* variable = jm_vector_get_last(jm_named_ptr)(&md->variablesByName).ptr;
+ int hasStart;
+
+ assert(!variable->typeBase);
+
+ variable->typeBase = fmi2_get_declared_type(context, fmi2_xml_elmID_Boolean, &td->defaultBooleanType) ;
+
+ if(!variable->typeBase) return -1;
+
+ hasStart = fmi2_xml_get_has_start(context, variable);
+ if(hasStart) {
+ fmi2_xml_variable_start_integer_t * start = (fmi2_xml_variable_start_integer_t*)fmi2_xml_alloc_variable_type_start(td, variable->typeBase, sizeof(fmi2_xml_variable_start_integer_t ));
+ if(!start) {
+ fmi2_xml_parse_fatal(context, "Could not allocate memory");
+ return -1;
+ }
+ if(
+ /* <xs:attribute name="start" type="xs:boolean"/> */
+ fmi2_xml_set_attr_boolean(context, fmi2_xml_elmID_Boolean, fmi_attr_id_start, 0, (unsigned*)&start->start, 0)
+ )
+ return -1;
+ variable->typeBase = &start->typeBase;
+ } else {
+ fmi2_log_error_if_start_required(context, variable);
+ }
+ }
+ else {
+ /* don't do anything. might give out a warning if(data[0] != 0) */
+ return 0;
+ }
+ return 0;
+}
+
+int fmi2_xml_handle_StringVariable(fmi2_xml_parser_context_t *context, const char* data) {
+ if(context->skipOneVariableFlag) return 0;
+
+ if(!data) {
+ fmi2_xml_model_description_t* md = context->modelDescription;
+ fmi2_xml_type_definitions_t* td = &md->typeDefinitions;
+ fmi2_xml_variable_t* variable = jm_vector_get_last(jm_named_ptr)(&md->variablesByName).ptr;
+ int hasStart;
+
+ assert(!variable->typeBase);
+
+ variable->typeBase = fmi2_get_declared_type(context, fmi2_xml_elmID_String,&td->defaultStringType) ;
+
+ if(!variable->typeBase) return -1;
+
+ hasStart = fmi2_xml_get_has_start(context, variable);
+ if(hasStart) {
+ jm_vector(char)* bufStartStr = fmi2_xml_reserve_parse_buffer(context,1, 100);
+ size_t strlen;
+ fmi2_xml_variable_start_string_t * start;
+ if(
+ /* <xs:attribute name="start" type="xs:string"/> */
+ fmi2_xml_set_attr_string(context, fmi2_xml_elmID_String, fmi_attr_id_start, 0, bufStartStr)
+ )
+ return -1;
+ strlen = jm_vector_get_size_char(bufStartStr);
+
+ start = (fmi2_xml_variable_start_string_t*)fmi2_xml_alloc_variable_type_start(td, variable->typeBase, sizeof(fmi2_xml_variable_start_string_t) + strlen);
+
+ if(!start) {
+ fmi2_xml_parse_fatal(context, "Could not allocate memory");
+ return -1;
+ }
+ if (strlen != 0) { /* No need to memcpy empty strings (gives assetion error) */
+ memcpy(start->start, jm_vector_get_itemp_char(bufStartStr,0), strlen);
+ }
+ start->start[strlen] = 0;
+ variable->typeBase = &start->typeBase;
+ } else {
+ fmi2_log_error_if_start_required(context, variable);
+ }
+ }
+ else {
+ /* don't do anything. might give out a warning if(data[0] != 0) */
+ return 0;
+ }
+ return 0;
+}
+
+fmi2_xml_enum_variable_props_t * fmi2_xml_parse_enum_properties(fmi2_xml_parser_context_t* context, fmi2_xml_enum_variable_props_t* declaredType) {
+
+ fmi2_xml_model_description_t* md = context->modelDescription;
+ fmi2_xml_enum_variable_props_t * props = 0;
+ fmi2_xml_elm_enu_t elmID = fmi2_xml_elmID_Enumeration;
+ const char* quantity = 0;
+
+ /* jm_vector(char)* bufName = fmi_get_parse_buffer(context,1);
+ jm_vector(char)* bufDescr = fmi_get_parse_buffer(context,2); */
+ jm_vector(char)* bufQuantity = fmi2_xml_reserve_parse_buffer(context,3,100);
+
+ props = (fmi2_xml_enum_variable_props_t*)fmi2_xml_alloc_variable_type_props(&md->typeDefinitions,
+ &md->typeDefinitions.defaultEnumType.base.typeBase, sizeof(fmi2_xml_enum_variable_props_t));
+
+ if(!bufQuantity || !props ||
+ /* <xs:attribute name="quantity" type="xs:normalizedString"/> */
+ fmi2_xml_set_attr_string(context, elmID, fmi_attr_id_quantity, 0, bufQuantity)
+ )
+ return 0;
+ if(jm_vector_get_size(char)(bufQuantity))
+ quantity = jm_string_set_put(&md->typeDefinitions.quantities, jm_vector_get_itemp(char)(bufQuantity, 0));
+
+ props->quantity = (quantity == 0) ? declaredType->quantity: quantity;
+
+ if( /* <xs:attribute name="min" type="xs:int"/> */
+ fmi2_xml_set_attr_int(context, elmID, fmi_attr_id_min, 0, &props->typeMin, declaredType->typeMin) ||
+ /* <xs:attribute name="max" type="xs:int"/> */
+ fmi2_xml_set_attr_int(context, elmID, fmi_attr_id_max, 0, &props->typeMax, declaredType->typeMax)
+ ) return 0;
+ return props;
+}
+
+int fmi2_xml_handle_EnumerationVariable(fmi2_xml_parser_context_t *context, const char* data) {
+ if(context->skipOneVariableFlag) return 0;
+
+ if(!data) {
+ fmi2_xml_model_description_t* md = context->modelDescription;
+ fmi2_xml_type_definitions_t* td = &md->typeDefinitions;
+ fmi2_xml_variable_t* variable = jm_vector_get_last(jm_named_ptr)(&md->variablesByName).ptr;
+ fmi2_xml_variable_type_base_t * declaredType = 0;
+ fmi2_xml_enum_variable_props_t * type = 0;
+ int hasStart;
+
+ assert(!variable->typeBase);
+
+ declaredType = fmi2_get_declared_type(context, fmi2_xml_elmID_Enumeration,&td->defaultEnumType.base.typeBase);
+
+ if(!declaredType) return -1;
+
+ if(
+ fmi2_xml_is_attr_defined(context,fmi_attr_id_min) ||
+ fmi2_xml_is_attr_defined(context,fmi_attr_id_max) ||
+ fmi2_xml_is_attr_defined(context,fmi_attr_id_quantity)
+ ) {
+ fmi2_xml_enum_variable_props_t* props = 0;
+
+ if(declaredType->structKind != fmi2_xml_type_struct_enu_typedef)
+ props = (fmi2_xml_enum_variable_props_t*)declaredType;
+ else
+ props = (fmi2_xml_enum_variable_props_t*)declaredType->baseTypeStruct;
+ assert(props->typeBase.structKind == fmi2_xml_type_struct_enu_props);
+ fmi2_xml_reserve_parse_buffer(context, 1, 0);
+ fmi2_xml_reserve_parse_buffer(context, 2, 0);
+ type = fmi2_xml_parse_enum_properties(context, props);
+ if(!type) return -1;
+ type->typeBase.baseTypeStruct = declaredType;
+ }
+ else
+ type = (fmi2_xml_enum_variable_props_t*)declaredType;
+
+ variable->typeBase = &type->typeBase;
+
+ hasStart = fmi2_xml_get_has_start(context, variable);
+ if(hasStart) {
+ fmi2_xml_variable_start_integer_t * start = (fmi2_xml_variable_start_integer_t*)fmi2_xml_alloc_variable_type_start(td, &type->typeBase, sizeof(fmi2_xml_variable_start_integer_t ));
+ if(!start) {
+ fmi2_xml_parse_fatal(context, "Could not allocate memory");
+ return -1;
+ }
+ if(
+ /* <xs:attribute name="start" type="xs:integer"/> */
+ fmi2_xml_set_attr_int(context, fmi2_xml_elmID_Enumeration, fmi_attr_id_start, 0, &start->start, 0)
+ )
+ start->start = type->typeMin;
+ variable->typeBase = &start->typeBase;
+ } else {
+ fmi2_log_error_if_start_required(context, variable);
+ }
+ }
+ else {
+ /* don't do anything. might give out a warning if(data[0] != 0) */
+ return 0;
+ }
+ return 0;
+}
+
+static int fmi2_xml_compare_variable_original_index (const void* first, const void* second) {
+ size_t a = (*(fmi2_xml_variable_t**)first)->originalIndex;
+ size_t b = (*(fmi2_xml_variable_t**)second)->originalIndex;
+ if(a < b) return -1;
+ if(a > b) return 1;
+ return 0;
+}
+
+void fmi2_xml_eliminate_bad_alias(fmi2_xml_parser_context_t *context, size_t indexVR) {
+ fmi2_xml_model_description_t* md = context->modelDescription;
+ jm_vector(jm_voidp)* varByVR = md->variablesByVR;
+ fmi2_xml_variable_t* v = (fmi2_xml_variable_t*)jm_vector_get_item(jm_voidp)(varByVR, indexVR);
+ fmi2_value_reference_t vr = v->vr;
+ fmi2_base_type_enu_t vt = fmi2_xml_get_variable_base_type(v);
+ size_t i, n = jm_vector_get_size(jm_voidp)(varByVR);
+ for(i = 0; i< n; i++) {
+ jm_named_ptr key;
+ size_t index;
+ v = (fmi2_xml_variable_t*)jm_vector_get_item(jm_voidp)(varByVR, i);
+ if((v->vr != vr)||(vt != fmi2_xml_get_variable_base_type(v))) continue;
+ jm_vector_remove_item_jm_voidp(varByVR,i);
+ n--; i--;
+ key.name = v->name;
+ index = jm_vector_bsearch_index(jm_named_ptr)(&md->variablesByName, &key, jm_compare_named);
+ assert(index <= n);
+ jm_vector_remove_item(jm_named_ptr)(&md->variablesByName,index);
+
+ index = jm_vector_bsearch_index(jm_voidp)(md->variablesOrigOrder, (jm_voidp*)&v, fmi2_xml_compare_variable_original_index);
+ assert(index <= n);
+
+ jm_vector_remove_item(jm_voidp)(md->variablesOrigOrder,index);
+
+ jm_log_error(context->callbacks, module,"Removing incorrect alias variable '%s'", v->name);
+ md->callbacks->free(v);
+ }
+}
+
+static int fmi2_xml_compare_vr_and_original_index (const void* first, const void* second) {
+ int ret = fmi2_xml_compare_vr(first, second);
+ if(ret != 0) return ret;
+
+ {
+ fmi2_xml_variable_t* a = *(fmi2_xml_variable_t**)first;
+ fmi2_xml_variable_t* b = *(fmi2_xml_variable_t**)second;
+ ret = a->causality - b->causality;
+ if(ret != 0 ) return ret;
+ ret = a->variability - b->variability;
+ if(ret != 0) return ret;
+ {
+ size_t ai = a->originalIndex;
+ size_t bi = b->originalIndex;
+ if(ai > bi) return 1;
+ if(ai < bi) return -1;
+ }
+ }
+
+ return 0;
+}
+
+int fmi2_xml_handle_ModelVariables(fmi2_xml_parser_context_t *context, const char* data) {
+ if(!data) {
+ jm_log_verbose(context->callbacks, module,"Parsing XML element ModelVariables");
+ /* reset handles for the elements that are specific under ModelVariables */
+ fmi2_xml_set_element_handle(context, "Real", FMI2_XML_ELM_ID(RealVariable));
+ fmi2_xml_set_element_handle(context, "Integer", FMI2_XML_ELM_ID(IntegerVariable));
+ fmi2_xml_set_element_handle(context, "Enumeration", FMI2_XML_ELM_ID(EnumerationVariable));
+ fmi2_xml_set_element_handle(context, "String", FMI2_XML_ELM_ID(StringVariable));
+ fmi2_xml_set_element_handle(context, "Boolean", FMI2_XML_ELM_ID(BooleanVariable));
+ fmi2_xml_set_element_handle(context, "Tool", FMI2_XML_ELM_ID(VariableTool));
+ }
+ else {
+ /* postprocess variable list */
+
+ fmi2_xml_model_description_t* md = context->modelDescription;
+ jm_vector(jm_voidp)* varByVR;
+ size_t i, numvar;
+
+ numvar = jm_vector_get_size(jm_named_ptr)(&md->variablesByName);
+
+ /* store the list of vars in original order */
+ {
+ size_t size = jm_vector_get_size(jm_named_ptr)(&md->variablesByName);
+ md->variablesOrigOrder = jm_vector_alloc(jm_voidp)(size,size,md->callbacks);
+ if(md->variablesOrigOrder) {
+ size_t i;
+ for(i= 0; i < size; ++i) {
+ jm_vector_set_item(jm_voidp)(md->variablesOrigOrder, i, jm_vector_get_item(jm_named_ptr)(&md->variablesByName,i).ptr);
+ }
+ }
+ }
+
+ /* look up actual pointers for the derivativeOf and previous fields in variablesOrigOrder */
+ {
+ size_t size = jm_vector_get_size(jm_voidp)(md->variablesOrigOrder);
+ size_t k;
+ for (k=0; k < size; k++) {
+ fmi2_xml_variable_t *variable = jm_vector_get_item(jm_voidp)(md->variablesOrigOrder, k);
+
+ if (variable->derivativeOf) {
+ /* Retrieve index that was stored as a pointer */
+ size_t index = (char*)variable->derivativeOf - (char *)NULL;
+ /* Convert from one- to zero-based indexing */
+ index--;
+ /* Ok to just check upper bound since index is unsigned. */
+ if (index >= size) {
+ fmi2_xml_parse_error(context, "The 'derivative' attribute must have a value between 1 and the number of model variables.");
+ /* todo: free allocated memory? */
+ return -1;
+ }
+ variable->derivativeOf = (fmi2_xml_variable_t*)jm_vector_get_item(jm_voidp)(md->variablesOrigOrder, index);
+ }
+ if (variable->previous) {
+ /* retrieve index that was stored as a pointer */
+ size_t index = (char*)variable->previous - (char *)NULL;
+ /* Convert from one- to zero-based indexing */
+ index--;
+ /* Ok to just check upper bound since index is unsigned. */
+ if (index >= size) {
+ fmi2_xml_parse_error(context, "The 'previous' attribute must have a value between 1 and the number of model variables.");
+ /* todo: free allocated memory? */
+ return -1;
+ }
+ variable->previous = (fmi2_xml_variable_t*)jm_vector_get_item(jm_voidp)(md->variablesOrigOrder, index);
+ }
+ }
+ }
+
+ /* sort the variables by names */
+ jm_vector_qsort(jm_named_ptr)(&md->variablesByName,jm_compare_named);
+
+ /* create VR index */
+ md->status = fmi2_xml_model_description_enu_ok;
+ {
+ size_t size = jm_vector_get_size(jm_named_ptr)(&md->variablesByName);
+ md->variablesByVR = jm_vector_alloc(jm_voidp)(size,size,md->callbacks);
+ if(md->variablesByVR) {
+ size_t i;
+ for(i= 0; i < size; ++i) {
+ jm_vector_set_item(jm_voidp)(md->variablesByVR, i, jm_vector_get_item(jm_named_ptr)(&md->variablesByName,i).ptr);
+ }
+ }
+ }
+
+ md->status = fmi2_xml_model_description_enu_empty;
+ if(!md->variablesByVR || !md->variablesOrigOrder) {
+ fmi2_xml_parse_fatal(context, "Could not allocate memory");
+ return -1;
+ }
+ varByVR = md->variablesByVR;
+ jm_vector_qsort(jm_voidp)(varByVR, fmi2_xml_compare_vr_and_original_index);
+
+ numvar = jm_vector_get_size(jm_voidp)(varByVR);
+
+ if(numvar > 1){
+ int foundBadAlias;
+
+ jm_log_verbose(context->callbacks, module,"Building alias index");
+ do {
+ fmi2_xml_variable_t* a = (fmi2_xml_variable_t*)jm_vector_get_item(jm_voidp)(varByVR, 0);
+ int startPresent = fmi2_xml_get_variable_has_start(a);
+ int isConstant = (fmi2_xml_get_variability(a) == fmi2_variability_enu_constant);
+ a->aliasKind = fmi2_variable_is_not_alias;
+
+ foundBadAlias = 0;
+
+ for(i = 1; i< numvar; i++) {
+ fmi2_xml_variable_t* b = (fmi2_xml_variable_t*)jm_vector_get_item(jm_voidp)(varByVR, i);
+ int b_startPresent = fmi2_xml_get_variable_has_start(b);
+ int b_isConstant = (fmi2_xml_get_variability(b) == fmi2_variability_enu_constant);
+ if((fmi2_xml_get_variable_base_type(a) == fmi2_xml_get_variable_base_type(b))
+ && (a->vr == b->vr)) {
+ /* an alias */
+ jm_log_verbose(context->callbacks,module,"Variables %s and %s reference the same vr %u. Marking '%s' as alias.",
+ a->name, b->name, b->vr, b->name);
+ b->aliasKind = fmi2_variable_is_alias;
+
+ if(!isConstant != !b_isConstant) {
+ jm_log_error(context->callbacks,module,
+ "Only constants can be aliases with constants (variables: %s and %s)",
+ a->name, b->name);
+ fmi2_xml_eliminate_bad_alias(context,i);
+ numvar = jm_vector_get_size(jm_voidp)(varByVR);
+ foundBadAlias = 1;
+ break;
+ } else if (isConstant) {
+ if (!startPresent || !b_startPresent) {
+ jm_log_error(context->callbacks,module,
+ "Constants in alias set must all have start attributes (variables: %s and %s)",
+ a->name, b->name);
+ fmi2_xml_eliminate_bad_alias(context,i);
+ numvar = jm_vector_get_size(jm_voidp)(varByVR);
+ foundBadAlias = 1;
+ break;
+ }
+ /* TODO: Check that both start values are the same */
+ } else if(startPresent && b_startPresent) {
+ jm_log_error(context->callbacks,module,
+ "Only one variable among non constant aliases is allowed to have start attribute (variables: %s and %s) %d, %d, const enum value: %d",
+ a->name, b->name, fmi2_xml_get_variability(a), fmi2_xml_get_variability(b), fmi2_variability_enu_constant);
+ fmi2_xml_eliminate_bad_alias(context,i);
+ numvar = jm_vector_get_size(jm_voidp)(varByVR);
+ foundBadAlias = 1;
+ break;
+ }
+ if(b_startPresent) {
+ startPresent = 1;
+ a = b;
+ }
+ }
+ else {
+ b->aliasKind = fmi2_variable_is_not_alias;
+ startPresent = b_startPresent;
+ isConstant = b_isConstant;
+ a = b;
+ }
+ }
+ } while(foundBadAlias);
+ }
+
+ numvar = jm_vector_get_size(jm_named_ptr)(&md->variablesByName);
+
+ /* might give out a warning if(data[0] != 0) */
+ }
+ return 0;
+}