cwFlow.cpp : Made common parser for subnet and non-subnet var descriptions.
Renamed instance_t to proc_t.
This commit is contained in:
kevin
parent
04a34902e6
commit
172ada9fdd
348
cwFlow.cpp
348
cwFlow.cpp
@ -104,6 +104,161 @@ namespace cw
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return rc;
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}
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rc_t _parse_subnet_var_proxy_string( const char* proxyStr, var_desc_t* var_desc )
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{
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rc_t rc = kOkRC;
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const char* period;
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// find the separating period
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if((period = firstMatchChar(proxyStr,'.')) == nullptr )
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{
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rc = cwLogError(kSyntaxErrorRC,"The separating '.' could not be found in the proxy string '%s'.",cwStringNullGuard(proxyStr));
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goto errLabel;
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}
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// validate the length of the proc inst label
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if( period-proxyStr == 0 )
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{
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rc = cwLogError(kSyntaxErrorRC,"No proxy proc instance was found in the proxy string '%s'.",cwStringNullGuard(proxyStr));
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goto errLabel;
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}
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// validate the length of the var label
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if( textLength(period+1) == 0 )
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{
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rc = cwLogError(kSyntaxErrorRC,"No proxy var was found in the proxy string '%s'.",cwStringNullGuard(proxyStr));
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goto errLabel;
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}
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var_desc->proxyProcLabel = mem::duplStr(proxyStr,period-proxyStr);
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var_desc->proxyVarLabel = mem::duplStr(period+1);
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errLabel:
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return rc;
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}
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rc_t _parse_class_var_attribute_flags(const object_t* var_flags_obj, unsigned& flags_ref)
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{
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rc_t rc = kOkRC;
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unsigned result_flags = 0;
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flags_ref = 0;
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if( !var_flags_obj->is_list() )
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{
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rc = cwLogError(kSyntaxErrorRC,"The variable description 'flags' field must be a list.");
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goto errLabel;
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}
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for(unsigned i=0; i<var_flags_obj->child_count(); ++i)
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{
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const object_t* flag_obj = var_flags_obj->child_ele(i);
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const char* flag_label = nullptr;
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unsigned flag = 0;
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// validate the flag syntax
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if( flag_obj == nullptr || !flag_obj->is_string() || flag_obj->value(flag_label)!=kOkRC )
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{
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rc = cwLogError(kSyntaxErrorRC,"Invalid variable description flag syntax on flag index %i.",i);
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goto errLabel;
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}
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// parse the flag
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if((flag = var_desc_attr_label_to_flag(flag_label)) == kInvalidVarDescFl )
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{
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rc = cwLogError(kInvalidArgRC,"The variable description flag ('%s') at flag index %i is not valid.",cwStringNullGuard(flag_label),i);
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goto errLabel;
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}
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result_flags |= flag;
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}
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flags_ref = result_flags;
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errLabel:
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return rc;
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}
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rc_t _parse_class_var_cfg(flow_t* p, class_desc_t* class_desc, const object_t* var_desc_pair, var_desc_t*& var_desc_ref )
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{
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rc_t rc = kOkRC;
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const object_t* var_flags_obj = nullptr;
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const char* var_value_type_str = nullptr;
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const char* var_label = nullptr;
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const char* proxy_string = nullptr;
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var_desc_t* vd = nullptr;
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var_desc_ref = nullptr;
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if(var_desc_pair==nullptr || !var_desc_pair->is_pair() || var_desc_pair->pair_label()==nullptr || (var_label = var_desc_pair->pair_label())==nullptr || var_desc_pair->pair_value()==nullptr || !var_desc_pair->pair_value()->is_dict() )
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{
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rc = cwLogError(kSyntaxErrorRC,"An invalid variable description syntax was encountered.");
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goto errLabel;
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}
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// Allocate the var. desc record
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if((vd = var_desc_create( var_label, var_desc_pair->pair_value())) == nullptr )
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{
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rc = cwLogError(kObjAllocFailRC,"Variable description allocation failed.");
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goto errLabel;
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}
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// get the variable description
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if((rc = vd->cfg->getv("doc", vd->docText)) != kOkRC )
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{
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rc = cwLogError(rc,"Parsing failed on class:%s variable: '%s'.", class_desc->label, vd->label );
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goto errLabel;
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}
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// get the variable description
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if((rc = vd->cfg->getv_opt("flags", var_flags_obj,
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"type", var_value_type_str,
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"value", vd->val_cfg,
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"proxy", proxy_string )) != kOkRC )
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{
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rc = cwLogError(rc,"Parsing optional fields failed.");
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goto errLabel;
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}
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// convert the type string to a numeric type flag
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if( var_value_type_str != nullptr )
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if( (vd->type = value_type_label_to_flag( var_value_type_str )) == kInvalidTId )
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{
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rc = cwLogError(kSyntaxErrorRC,"Invalid variable description type flag: '%s' was encountered.", var_value_type_str );
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goto errLabel;
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}
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// parse the proxy string into it's two parts: <proc>.<var>
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if( proxy_string != nullptr )
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{
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if((rc = _parse_subnet_var_proxy_string( proxy_string, vd )) != kOkRC )
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goto errLabel;
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}
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// parse the var desc attribute flags
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if( var_flags_obj != nullptr )
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{
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vd->flags = 0;
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if((rc = _parse_class_var_attribute_flags(var_flags_obj, vd->flags)) != kOkRC )
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goto errLabel;
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}
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var_desc_ref = vd;
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errLabel:
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if( rc != kOkRC )
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{
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rc = cwLogError(rc,"A variable description create failed on class desc:'%s' var:'%s'.",cwStringNullGuard(class_desc->label),cwStringNullGuard(var_label));
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var_desc_destroy(vd);
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}
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return rc;
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}
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rc_t _parse_class_cfg(flow_t* p, const object_t* classCfg)
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{
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rc_t rc = kOkRC;
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@ -183,55 +338,30 @@ namespace cw
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// for each class value description
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for(unsigned j=0; j<varD->child_count(); ++j)
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{
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const object_t* var_obj = varD->child_ele(j);
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const object_t* var_flags_obj = nullptr;
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const char* type_str = nullptr;
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unsigned type_flag = 0;
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bool srcVarFl = false;
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bool srcOptFl = false;
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var_desc_t* vd = mem::allocZ<var_desc_t>();
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const object_t* var_obj = varD->child_ele(j);
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var_desc_t* vd = nullptr;
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vd->label = var_obj->pair_label();
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vd->cfg = var_obj->pair_value();
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// get the variable description
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if((rc = vd->cfg->getv("type", type_str,
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"doc", vd->docText)) != kOkRC )
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if((rc = _parse_class_var_cfg(p, cd, var_obj, vd )) != kOkRC )
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{
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rc = cwLogError(rc,"Parsing failed on class:%s variable: '%s'.", cd->label, vd->label );
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rc = cwLogError(rc,"Variable description created failed on the class desc '%s' on the variable description at index '%i'.",cwStringNullGuard(cd->label),j);
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goto errLabel;
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}
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// convert the type string to a numeric type flag
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if( (type_flag = value_type_label_to_flag( type_str )) == kInvalidTId )
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if( vd->type == kInvalidTFl )
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{
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rc = cwLogError(kSyntaxErrorRC,"Invalid type flag: '%s' class:'%s' value:'%s'.", type_str, cd->label, vd->label );
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rc = cwLogError(rc,"The variable description '%s' in class description '%s' does not have a valid 'type' field.",cwStringNullGuard(vd->label),cwStringNullGuard(cd->label));
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goto errLabel;
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}
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// get the variable description
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if((rc = vd->cfg->getv_opt("flags", var_flags_obj,
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"value",vd->val_cfg)) != kOkRC )
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if( vd->proxyProcLabel != nullptr || vd->proxyVarLabel != nullptr )
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{
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rc = cwLogError(rc,"Parsing optional fields failed on class:%s variable: '%s'.", cd->label, vd->label );
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goto errLabel;
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cwLogWarning("The 'proxy' field in the variable description '%s' on class description '%s' will be ignored because the variable is not part of a subnet definition.",cwStringNullGuard(vd->label),cwStringNullGuard(cd->label));
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}
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// check for 'src' flag
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if((rc = _is_var_flag_set( var_flags_obj, "src", cd->label, vd->label, srcVarFl )) != kOkRC )
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goto errLabel;
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// check for 'src_opt' flag
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if((rc = _is_var_flag_set( var_flags_obj, "src_opt", cd->label, vd->label, srcOptFl )) != kOkRC )
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goto errLabel;
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vd->type |= type_flag;
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if( srcVarFl )
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vd->flags |= kSrcVarFl;
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if( srcOptFl )
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vd->flags |= kSrcOptVarFl;
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if( cwIsFlag(vd->flags,kSubnetOutVarDescFl ) )
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{
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cwLogWarning("The 'out' flag in the variable description '%s' on class description '%s' will be ignored because the variable is not part of a subnet definition.",cwStringNullGuard(vd->label),cwStringNullGuard(cd->label));
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}
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vd->link = cd->varDescL;
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cd->varDescL = vd;
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@ -281,121 +411,56 @@ namespace cw
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}
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rc_t _parse_subnet_var_proxy_string( const char* proxyStr, char*& procLabel_ref, char*& varLabel_ref )
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{
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rc_t rc = kOkRC;
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procLabel_ref = nullptr;
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varLabel_ref = nullptr;
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const char* period;
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// find the separating period
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if((period = firstMatchChar(proxyStr,'.')) == nullptr )
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{
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rc = cwLogError(kSyntaxErrorRC,"The separating '.' could not be found in the proxy string '%s'.",cwStringNullGuard(proxyStr));
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goto errLabel;
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}
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// validate the length of the proc inst label
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if( period-proxyStr == 0 )
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{
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rc = cwLogError(kSyntaxErrorRC,"No proxy proc instance was found in the proxy string '%s'.",cwStringNullGuard(proxyStr));
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goto errLabel;
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}
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// validate the length of the var label
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if( textLength(period+1) == 0 )
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{
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rc = cwLogError(kSyntaxErrorRC,"No proxy var was found in the proxy string '%s'.",cwStringNullGuard(proxyStr));
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goto errLabel;
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}
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procLabel_ref = mem::duplStr(proxyStr,period-proxyStr);
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varLabel_ref = mem::duplStr(period+1);
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errLabel:
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return rc;
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}
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void _var_desc_release( var_desc_t*& vd )
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{
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mem::release(vd->proxyProcLabel);
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mem::release(vd->proxyVarLabel);
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mem::release(vd);
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}
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rc_t _create_subnet_var_desc( flow_t* p, class_desc_t* wrapProcClassDesc, const object_t* subnetProcD, const object_t* varDescPair, var_desc_t*& vd_ref )
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rc_t _create_subnet_var_desc( flow_t* p, class_desc_t* subnetClassDesc, const object_t* subnetProcD, const object_t* varDescPair, var_desc_t*& vd_ref )
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{
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rc_t rc = kOkRC;
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const object_t* flagsCfg = nullptr;
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const char* proxyStr = nullptr;
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const char* docStr = nullptr;
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const char* varLabel = nullptr;
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char* proxyProcLabel = nullptr;
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char* proxyVarLabel = nullptr;
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unsigned proxyVarFlags = 0;
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const class_desc_t* proxy_class_desc = nullptr;
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const var_desc_t* proxy_var_desc = nullptr;
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bool subnetOutVarFl = false;
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var_desc_t* var_desc = mem::allocZ<var_desc_t>();
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var_desc_t* var_desc = nullptr;
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vd_ref = nullptr;
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// verify that the var label is valid
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if(!varDescPair->is_pair() || (varLabel=varDescPair->pair_label())==nullptr || varDescPair->pair_value()==nullptr || !varDescPair->pair_value()->is_dict() )
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// parse the variable descripiton and create a var_desc_t record
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if((rc = _parse_class_var_cfg(p, subnetClassDesc, varDescPair, var_desc )) != kOkRC )
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{
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rc = cwLogError(kSyntaxErrorRC,"The proxy var entry is not valid.");
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goto errLabel;
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}
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// parse the var desc dictionary
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if((rc = varDescPair->pair_value()->getv("proxy",proxyStr,
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"doc", docStr)) != kOkRC )
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if( var_desc->type != 0 )
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{
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rc = cwLogError(rc,"Parsing failed on the proxy var dictionary.");
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goto errLabel;
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cwLogWarning("The 'type' field int the variable description '%s' on the class description '%s' will be ignored because the variable is proxied.",cwStringNullGuard(subnetClassDesc->label),cwStringNullGuard(var_desc->label));
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}
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// parse the var desc dictionary optional fields
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if((rc = varDescPair->pair_value()->getv_opt("flags", flagsCfg)) != kOkRC )
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{
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rc = cwLogError(rc,"Optional attribute parsing failed on the proxy var dictionary.");
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goto errLabel;
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}
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// parse the proxy string into it's two parts: <proc>.<var>
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if((rc = _parse_subnet_var_proxy_string( proxyStr, proxyProcLabel, proxyVarLabel )) != kOkRC )
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// verify that a proxy-proc-label and proxy-var-label were specified in the variable descripiton
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if( var_desc->proxyProcLabel == nullptr || var_desc->proxyVarLabel == nullptr )
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{
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rc = cwLogError(kSyntaxErrorRC,"The subnet variable description '%s' in the subnet '%s' must have a valid 'proxy' field.",cwStringNullGuard(var_desc->label),cwStringNullGuard(subnetClassDesc->label));
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goto errLabel;
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}
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// locate the class desc associated with proxy proc
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if((rc = _find_subnet_proc_class_desc( p, subnetProcD, proxyProcLabel, proxy_class_desc )) != kOkRC )
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if((rc = _find_subnet_proc_class_desc( p, subnetProcD, var_desc->proxyProcLabel, proxy_class_desc )) != kOkRC )
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{
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goto errLabel;
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}
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// locate the var desc associated with the proxy proc var
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if((proxy_var_desc = var_desc_find( proxy_class_desc, proxyVarLabel)) == nullptr )
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if((proxy_var_desc = var_desc_find( proxy_class_desc, var_desc->proxyVarLabel)) == nullptr )
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{
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rc = cwLogError(kEleNotFoundRC,"The variable desc '%s.%s' could not be found.",cwStringNullGuard(proxyProcLabel),cwStringNullGuard(proxyVarLabel));
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rc = cwLogError(kEleNotFoundRC,"The subnet proxied variable desc '%s.%s' could not be found in subnet '%s'.",cwStringNullGuard(var_desc->proxyProcLabel),cwStringNullGuard(var_desc->proxyVarLabel),cwStringNullGuard(subnetClassDesc->label));
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goto errLabel;
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}
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// most of the fields for the proxy are taken directly from the the actual var ...
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*var_desc = *proxy_var_desc;
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// get the subnet var_desc type from the proxied var_desc
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var_desc->type = proxy_var_desc->type;
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var_desc->label = varLabel; // ... but the label and doc are overwritten from subnet desc.
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var_desc->docText = docStr;
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var_desc->proxyProcLabel = proxyProcLabel;
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var_desc->proxyVarLabel = proxyVarLabel;
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var_desc->link = nullptr;
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// augment the subnet var_desc flags from the proxied var_desc
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var_desc->flags |= proxy_var_desc->flags;
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if((rc = _is_var_flag_set( flagsCfg, "out", wrapProcClassDesc->label, var_desc->label, subnetOutVarFl )) != kOkRC )
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goto errLabel;
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var_desc->flags = cwEnaFlag(var_desc->flags, kSubnetOutVarFl, subnetOutVarFl);
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// if no default value was given to the subnet var desc then get it from the proxied var desc
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if( var_desc->val_cfg == nullptr )
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var_desc->val_cfg = proxy_var_desc->val_cfg;
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vd_ref = var_desc;
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@ -403,8 +468,8 @@ namespace cw
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if( rc != kOkRC )
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{
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rc = cwLogError(rc,"The creation of proxy var '%s' failed.",cwStringNullGuard(varLabel));
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_var_desc_release(var_desc);
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rc = cwLogError(rc,"The creation of proxy var '%s' failed.",var_desc==nullptr ? "<unknown>" : cwStringNullGuard(var_desc->label));
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var_desc_destroy(var_desc);
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}
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return rc;
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@ -531,10 +596,9 @@ namespace cw
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goto errLabel;
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}
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// we have to update the size of the subnet class array
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// as we go because we may want to find subnets classes within
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// subnets which are definted later and so the length p->subnetA[]
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// must be correct
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// We have to update the size of the subnet class array
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// as we go because we may want be able to search p->subnetDescA[]
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// aand to do that we must now the current length.
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p->subnetDescN += 1;
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}
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@ -557,26 +621,7 @@ namespace cw
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for(unsigned i=0; i<classDescN; ++i)
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{
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class_desc_t* cd = classDescA + i;
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// release the var desc list
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var_desc_t* vd0 = cd->varDescL;
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var_desc_t* vd1 = nullptr;
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while( vd0 != nullptr )
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{
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vd1 = vd0->link;
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_var_desc_release(vd0);
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vd0 = vd1;
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}
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// release the preset list
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preset_t* pr0 = cd->presetL;
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preset_t* pr1 = nullptr;
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while( pr0 != nullptr )
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{
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pr1 = pr0->link;
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mem::release(pr0);
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pr0 = pr1;
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}
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class_desc_destroy(cd);
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}
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mem::release(classDescA);
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@ -646,6 +691,7 @@ cw::rc_t cw::flow::create( handle_t& hRef,
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goto errLabel;
|
||||
}
|
||||
|
||||
// parse the subnet descriptions
|
||||
if( subnetCfg != nullptr )
|
||||
if((rc = _parse_subnet_cfg(p,subnetCfg)) != kOkRC )
|
||||
{
|
||||
@ -868,7 +914,7 @@ cw::rc_t cw::flow::test( const object_t* cfg, int argc, const char* argv[] )
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
if((rc = cfg->getv("proc_cfg_fname",proc_cfg_fname,
|
||||
if((rc = cfg->getv("proc_cfg_fname",proc_cfg_fname,
|
||||
"test_cases", test_cases_cfg)) != kOkRC )
|
||||
{
|
||||
rc = cwLogError(rc,"The name of the flow_proc_dict file could not be parsed.");
|
||||
@ -910,8 +956,6 @@ cw::rc_t cw::flow::test( const object_t* cfg, int argc, const char* argv[] )
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
//print_network(flowH);
|
||||
|
||||
// run the network
|
||||
if((rc = exec( flowH )) != kOkRC )
|
||||
rc = cwLogError(rc,"Execution failed.");
|
||||
@ -927,6 +971,10 @@ cw::rc_t cw::flow::test( const object_t* cfg, int argc, const char* argv[] )
|
||||
errLabel:
|
||||
if( class_cfg != nullptr )
|
||||
class_cfg->free();
|
||||
|
||||
if( subnet_cfg != nullptr )
|
||||
subnet_cfg->free();
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user