Patent ID: 7930679

Claim:
A computer-readable portable storage medium that stores therein a computer program for performing, when executed by a processor, a method for supporting generation of a source code based on object orientation, the method comprising: generating first tree-structured data based on a sequence diagram indicating a specification of a new source code to be generated, the generating the first tree-structured data including: extracting a connection relationship between an instance and a method included in the sequence diagram; and generating tree-structured data including first method-sequence information based on the connection relationship, the tree-structured data including at least a method name and a connection-destination class name; generating a correspondence table representing correspondence between respective class names and instance names, based on instance names and class names included in the instances in the sequence diagram; retrieving second tree-structured data matching with the first tree-structured data from a storing unit that stores at least an existing source code and tree-structured data corresponding to the existing source code, the retrieving including: generating second method-sequence information for each tree-structured data extracted from the storing unit; and matching the second method-sequence information with the first method-sequence information in respect to the method name and the connection-destination class name of the tree-structured data; acquiring a source code corresponding to the second tree-structured data from the storing unit; and converting an instance included in the acquired source code into an instance corresponding to the sequence diagram by using the correspondence table.