CN101286119A - Method for determining function point changing through code analysis - Google Patents
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Abstract
The invention relates to a method for determining the change of functional points by analysing the change of codes: firstly, all changes of source codes to be compared are searched and collected on textual level and a diff result is generated; secondly, an incidence relation between the modified source codes and an interface function or method by analysing the structure relation of the source codes to be compared and a call graph result is generated; the diff result and the call graph result are finally analysed, all affected interface functions or methods are output in the form of graph or statement to generate an affected result graph. By the code analysis, the external function point which is affected when the version is updated, thus effectively assisting the testing and updating operation of new software versions.
Description
Technical field
The present invention relates to a kind of software code management method, particularly about a kind of method of determining that function point changes that changes by code analysis.
Background technology
Growing along with software size, how software development team ensures that also in rapid expanding stablizing of software redaction is errorless, becomes the much-talked-about topic of software administration.The software systems of supposing current use are stable, and the hardware environment of systems face, network environment and client use pattern (as concurrency) that great change does not take place, and the risk of bringing out the new version software system failure so often is the change of software self.In traditional software development process, the change of software is often initiatively stated by the developer, however such statement, and its accuracy has no way of checking the developer's that places one's entire reliance upon self diathesis.Along with the expansion of exploitation scale, the developer increases, and the risk that software systems break down is also increasing.
At present increasing software enterprise begins to seek the instrument of software version management one after another, wishes by PC Tools software change to be controlled.Software version management instrument commonly used all adopts traditional analytical approach based on file, in the difference change procedure that compares between text, only text can be changed and navigate to row level or character level, the really variation of code object (as: function, class, constant, variable etc.) in the positioning software source file more can't be known the variation that these code object cause callee after changing and taken place.Therefore, the risk of software change has no way of considering, and the specific aim test also can't be carried out.
Summary of the invention
At the problems referred to above, the objective of the invention is to propose a kind of method of determining that function point changes that changes by code analysis.
For achieving the above object, the present invention takes following technical scheme: a kind of method that changes by the definite function point of code analysis variation, and it may further comprise the steps: 1) user adds the source code than lowest version and higher-version to be analyzed respectively by the code analysis user interface; 2) user is by the title of the functional interface function of code analysis user interface configuration quality assurance unit ultimate demand test; 3) the semantic diff analyzer in the code analysis service module carries out the semantic class analysis to the difference of two kinds of source codes to be analyzed, calls corresponding language analysis module, finds and collect all variations from the text level earlier, and generates diff result; 4) the call graph analyzer in the code analysis service module is analyzed the structural relation of the source code of two versions to be analyzed, comprise the call relation of function and method, the relation of inclusion of structure and the inheritance of class, find out and made the place of revising and the incidence relation of functional interface function or method in the source code, and generate call graph result; 5) the impact analysis device in the code analysis service module is analyzed diff result and call graph result, and all affected functional interface functions or method are exported by user interface with the form of chart or form; 6) user judges affected external function point according to the form or the chart of output, and the notice quality assurance unit is tested affected function point selectively.
When containing data configuration file and script file in the source code to be analyzed, finish step 2) after find out the code object that is comprised in these files, and together analyze with source code to be analyzed.
Described code analysis service module and one or more code analysis clients, the software architecture of employing client/server.
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention compares with traditional text analyzing method, the software source file difference analyzing is navigated to the code object level, as function, class variation, variable change, constant variation etc., thereby realized accurate location to code file content difference.2, the present invention passes through the translation and compiling environment in the software project engineering of appointment codes object place and the parsing of Fundamentals of Compiling, find all directly to call or other code object of this appointment codes object of indirect call, thereby realized the relation that is called traversal the appointment codes object.3, when the feature of user at definition outermost layer interface function, the present invention can be on the basis of above-mentioned two advantages, the interface function that code change between version is caused changes risk and travels through and screen, inform the outermost layer interface or the business risk of user's redaction, for the test of quality assurance unit provides the risk guidance, thereby realize mapping from the function interface to the business function.4, the present invention considers that data configuration file and script file in some source codes also may exert an influence to source code call relation and compiling result, therefore code objects such as the magic that comprises in these data configuration files and the script file, class, constant, variable are also analyzed, thereby the result who makes code analysis more comprehensively, accurately.5, the inventive method adopts the C/S software architecture, supports multi-user's concurrent working, and this makes the performance advantage of server to access and fully plays.6, the inventive method can load corresponding language analysis module at different development languages, thereby realizes the analysis of software more widely.
Description of drawings
Fig. 1 is the basic flow sheet that the present invention carries out the source code mutation analysis
Fig. 2 is the source code example than lowest version and higher-version to be analyzed
Fig. 3 is that the present invention acts on the mutation analysis example as a result on Fig. 2 source code example
Fig. 4 is based on a kind of feasible software architecture of the present invention
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
As Fig. 1, Fig. 2, shown in Figure 3, the method for present embodiment may further comprise the steps:
1, the user adds the source code (as shown in Figure 2) than lowest version (version 1) and higher-version (version 2) of self requirement analysis respectively by the code analysis user interface.
2, the user is by the title of the functional interface function of code analysis user interface configuration quality assurance unit ultimate demand test, and this title is represented with regular expression.
3, the semantic diff in the code analysis service module (difference variation) analyzer carries out the semantic class analysis to the difference of the source code (as C/C++, Java code) of version 1 and version 2, call corresponding language analysis module, earlier find and collect all variations from the text level, comprise increase, deletion or the modification of source code, and generate diff result.
4, call graph (call graph) analyzer in the code analysis service module is analyzed the structural relation of the source code of version 1 and version 2, comprise the call relation of function and method, the relation of inclusion of structure, the inheritance of class etc., find out and made the place of revising and the incidence relation of functional interface function or method in the source code, and generate call graph result.
5, the impact analysis device in the code analysis service module is analyzed diff result and call graph result, and with all affected functional interface function or method, with the form output of chart or form, generating influences figure as a result.
6, the user has following discovery (as shown in Figure 3) by checking the analysis result of code analysis service module:
1. function input has been modified;
2. function input minuend count has called, and illustrates that variation has taken place function count;
3. function count minuend API1 and API2 have called, and illustrate that variation has taken place for function API1 and API2;
4. function API 1 and API2 are the functional interface functions.
7, analysis result shows: quality assurance unit need be tested two function points, is respectively interface function API1 and API2.
In source code to be analyzed, may comprise some data configuration files and script file, also may comprise code object in these files, consistent with the title of code object to be analyzed, their variation may exert an influence to source code call relation to be analyzed and compiling result equally so, therefore also needs these code object are analyzed.If contain data configuration file and script file in the source code to be analyzed, then before analyzing, code objects such as the function that is comprised in these files, class, constant, variable can be found out, and together analyze with source code to be analyzed.
Shown in Figure 4, be based on a kind of feasible software architecture figure of the present invention, what it adopted is the C/S software architecture, the i.e. software architecture of " client/server ", the code analysis task is created and initiated one time to the code analysis client, the code analysis server is responsible for carrying out concrete analysis, then analysis result is returned to the code analysis client.When adopting this framework, allow a plurality of code analysis clients and initiate the code analysis request, support multi-user's concurrent working to the code analysis server.
Although disclose preferred embodiment of the present invention and accompanying drawing for the purpose of illustration, its purpose is to help to understand content of the present invention and implement according to this, but person skilled in the art, without departing from the spirit and scope of the invention and the appended claims, can do various replacements, variation and retouching.Therefore, the present invention should not be limited to most preferred embodiment and the disclosed content of accompanying drawing, and protection scope of the present invention is as the criterion with the scope that appending claims was defined.
Claims (3)
1, a kind of method that changes by the definite function point of code analysis variation, it may further comprise the steps:
1) user adds the source code than lowest version and higher-version to be analyzed respectively by the code analysis user interface;
2) user is by the title of the functional interface function of code analysis user interface configuration quality assurance unit ultimate demand test;
3) the semantic diff analyzer in the code analysis service module carries out the semantic class analysis to the difference of two kinds of source codes to be analyzed, calls corresponding language analysis module, finds and collect all variations from the text level earlier, and generates diff result;
4) the call graph analyzer in the code analysis service module is analyzed the structural relation of the source code of two versions to be analyzed, comprise the call relation of function and method, the relation of inclusion of structure and the inheritance of class, find out and made the place of revising and the incidence relation of functional interface function or method in the source code, and generate callgraph result;
5) the impact analysis device in the code analysis service module is analyzed diff result and call graph result, and all affected functional interface functions or method are exported by user interface with the form of chart or form;
6) user judges affected external function point according to the form or the chart of output, and the notice quality assurance unit is tested affected function point selectively.
2, a kind of according to claim 1 method of determining that function point changes that changes by code analysis, it is characterized in that: when containing data configuration file and script file in the source code to be analyzed, finish step 2) after find out the code object that is comprised in these files, and together analyze with source code to be analyzed.
3, a kind of as claimed in claim 1 or 2 method that changes by the definite function point of code analysis variation is characterized in that: the software architecture of described code analysis service module and one or more code analysis customer end adopted client/servers.
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