{"id":266366,"date":"2024-05-15T16:43:37","date_gmt":"2024-05-15T08:43:37","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/266366.html"},"modified":"2024-05-15T16:43:43","modified_gmt":"2024-05-15T08:43:43","slug":"%e7%94%a8java%e6%80%8e%e4%b9%88%e8%a7%a3%e6%9e%90c-c-%e4%bb%a3%e7%a0%81%e7%94%9f%e6%88%90ast%e6%8a%bd%e8%b1%a1%e8%af%ad%e6%b3%95%e6%a0%91%e7%bb%93%e6%9e%84-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/266366.html","title":{"rendered":"\u7528Java\u600e\u4e48\u89e3\u6790C\/C \u4ee3\u7801\u751f\u6210AST\u62bd\u8c61\u8bed\u6cd5\u6811\u7ed3\u6784"},"content":{"rendered":"

\"\u7528Java\u600e\u4e48\u89e3\u6790C\/C<\/p>\n

Java\u89e3\u6790C\/C++\u4ee3\u7801\u4ee5\u751f\u6210AST\uff08\u62bd\u8c61\u8bed\u6cd5\u6811\uff09\u7ed3\u6784\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u4e13\u95e8\u7684\u89e3\u6790\u5e93\u3001\u751f\u6210\u8bcd\u6cd5\u548c\u8bed\u6cd5\u5206\u6790\u5668\u3001\u5229\u7528\u53cd\u5c04API<\/strong>\u7b49\u65b9\u5f0f\u5b9e\u73b0\u3002\u5176\u4e2d\uff0c\u4f7f\u7528\u5f00\u6e90\u89e3\u6790\u5e93\u4f8b\u5982Eclipse CDT<\/strong>\u662f\u4e00\u4e2a\u5b9e\u7528\u4e14\u5e38\u89c1\u7684\u65b9\u6cd5\u3002Eclipse CDT\u63d0\u4f9b\u4e86\u5168\u9762\u7684\u89e3\u6790\u529f\u80fd\uff0c\u53ef\u4ee5\u76f4\u63a5\u5c06C\/C++\u4ee3\u7801\u8f6c\u6362\u4e3aAST\u3002\u6b64\u5916\uff0c\u5de5\u5177\u5982ANTLR<\/strong>\u540c\u6837\u53ef\u4ee5\u7528\u4e8e\u751f\u6210C\/C++\u7684\u8bed\u6cd5\u89e3\u6790\u5668\uff0c\u8fdb\u800c\u6784\u5efaAST\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528Eclipse CDT\u89e3\u6790C\/C++\u4ee3\u7801<\/p>\n<\/p>\n

Eclipse CDT\uff08C\/C++ Development Tooling\uff09\u662fEclipse\u7528\u4e8eC\/C++\u5f00\u53d1\u7684\u63d2\u4ef6\uff0c\u5b83\u5e26\u6709\u4e00\u4e2a\u5185\u7f6e\u7684\u89e3\u6790\u5668\uff0c\u80fd\u591f\u89e3\u6790C\/C++\u4ee3\u7801\u5e76\u751f\u6210AST\u3002<\/p>\n<\/p>\n

\u5b89\u88c5Eclipse CDT<\/strong>:<\/p>\n<\/p>\n

    \n
  1. \u4e0b\u8f7d\u5e76\u5b89\u88c5Eclipse IDE\uff0c\u5e76\u9009\u62e9C\/C++\u5f00\u53d1\u8005\u5de5\u5177\u96c6\u3002<\/li>\n
  2. \u5728Eclipse\u91cc\uff0c\u901a\u8fc7Update Manager\u6dfb\u52a0CDT\u63d2\u4ef6\u3002<\/li>\n<\/ol>\n

    \u521b\u5efa\u89e3\u6790\u5668\u5b9e\u4f8b<\/strong>:<\/p>\n<\/p>\n

    \u4f7f\u7528CDT\u63d0\u4f9b\u7684\u89e3\u6790\u5668\u751f\u6210\u62bd\u8c61\u8bed\u6cd5\u6811\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

    \/\/ \u5b9a\u4e49\u6587\u4ef6\u8def\u5f84\u548c\u89e3\u6790\u914d\u7f6e<\/p>\n
    IPath path = new Path("path\/to\/c\/or\/cpp\/source\/file");<\/p>\n
    FileContent fileContent = FileContent.createForExternalFileLocation(path.toString());<\/p>\n
    \/\/ \u8bbe\u7f6e\u89e3\u6790\u9009\u9879<\/p>\n
    Map<String, String> macroDefinitions = new HashMap<>();<\/p>\n
    \/\/ \u6dfb\u52a0\u4f60\u7684\u5b8f\u5b9a\u4e49\uff0c\u4f8b\u5982\uff1amacroDefinitions.put("FOO", "1");<\/p>\n
    String[] includePaths = new String[] { "\/path\/to\/include" };<\/p>\n
    \/\/ \u521b\u5efa\u89e3\u6790\u5668<\/p>\n
    IncludeFileContentProvider fileContentProvider = IncludeFileContentProvider.getEmptyFilesProvider();<\/p>\n
    ScannerInfo info = new ScannerInfo(macroDefinitions, includePaths);<\/p>\n
    IParserLogService log = new DefaultLogService();<\/p>\n
    \/\/ \u89e3\u6790\u6587\u4ef6\u5e76\u83b7\u53d6\u62bd\u8c61\u8bed\u6cd5\u6811<\/p>\n
    IASTTranslationUnit translationUnit = GPPLanguage.getDefault().getASTTranslationUnit(fileContent, info, fileContentProvider, null, 0, log);<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u904d\u5386AST\u7ed3\u6784<\/strong>:<\/p>\n<\/p>\n
    \u904d\u5386AST\u9700\u8981\u4f7f\u7528\u8bbf\u95ee\u8005\u6a21\u5f0f\uff08Visitor Pattern\uff09\u3002\u901a\u8fc7\u5b9e\u73b0ASTVisitor<\/code>\u7c7b\uff0c\u53ef\u4ee5\u904d\u5386AST\u7684\u6bcf\u4e2a\u8282\u70b9\u3002<\/p>\n<\/p>\n
    \/\/ \u5b9e\u73b0\u8bbf\u95ee\u8005 <\/p>\n
    class MyASTVisitor extends ASTVisitor {<\/p>\n
        public MyASTVisitor() {<\/p>\n
            shouldVisitStatements = true;<\/p>\n
            shouldVisitExpressions = true;<\/p>\n
        }<\/p>\n
        public int visit(IASTStatement statement) {<\/p>\n
            \/\/ \u5904\u7406\u8bed\u53e5\u8282\u70b9<\/p>\n
            return PROCESS_CONTINUE;<\/p>\n
        }<\/p>\n
        public int visit(IASTExpression expression) {<\/p>\n
            \/\/ \u5904\u7406\u8868\u8fbe\u5f0f\u8282\u70b9<\/p>\n
            return PROCESS_CONTINUE;<\/p>\n
        }<\/p>\n
    }<\/p>\n
    \/\/ \u4f7f\u7528\u8bbf\u95ee\u8005\u904d\u5386AST<\/p>\n
    MyASTVisitor visitor = new MyASTVisitor();<\/p>\n
    translationUnit.accept(visitor);<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4e8c\u3001\u4f7f\u7528ANTLR\u751f\u6210C\/C++\u89e3\u6790\u5668<\/p>\n<\/p>\n
    ANTLR\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u751f\u6210\u53ef\u4ee5\u5904\u7406\u5404\u79cd\u8bed\u8a00\u7684\u8bcd\u6cd5\u548c\u8bed\u6cd5\u5206\u6790\u5668\u3002<\/p>\n<\/p>\n
    \u8bbe\u7f6eANTLR\u73af\u5883<\/strong>:<\/p>\n<\/p>\n
      \n
    1. \u4e0b\u8f7dANTLR JAR\u6587\u4ef6\u5e76\u6dfb\u52a0\u5230Java\u9879\u76ee\u7684\u6784\u5efa\u8def\u5f84\u4e2d\u3002<\/li>\n
    2. \u4e0b\u8f7d\u6216\u521b\u5efaC\/C++\u8bed\u8a00\u7684\u8bed\u6cd5\u6587\u4ef6\uff08\u901a\u5e38\u6709.grm\u6216.g4\u6269\u5c55\u540d\uff09\u3002<\/li>\n<\/ol>\n
      \u751f\u6210\u89e3\u6790\u5668\u4ee3\u7801<\/strong>:<\/p>\n<\/p>\n
      \u4f7f\u7528ANTLR\u547d\u4ee4\u884c\u5de5\u5177\u901a\u8fc7C\/C++\u8bed\u6cd5\u6587\u4ef6\u751f\u6210Java\u89e3\u6790\u5668\u4ee3\u7801\uff0c\u4e00\u822c\u662f\u5728\u547d\u4ee4\u884c\u4e2d\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n<\/p>\n
      java -jar antlr-x.x.x-complete.jar -Dlanguage=Java YourGrammarFile.g4<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u89e3\u6790C\/C++\u6e90\u4ee3\u7801<\/strong>:<\/p>\n<\/p>\n
      \u4f7f\u7528ANTLR\u751f\u6210\u7684\u8bcd\u6cd5\u5206\u6790\u5668\u548c\u8bed\u6cd5\u5206\u6790\u5668\u89e3\u6790C\/C++\u4ee3\u7801\uff0c\u7136\u540e\u8bbf\u95ee\u751f\u6210\u7684AST\u3002<\/p>\n<\/p>\n
      \/\/ \u52a0\u8f7dC\/C++\u6e90\u4ee3\u7801\u4e3a\u5b57\u7b26\u6d41<\/p>\n
      CharStream charStream = CharStreams.fromString(sourceCode);<\/p>\n
      \/\/ \u521b\u5efa\u8bcd\u6cd5\u5206\u6790\u5668<\/p>\n
      CLexer lexer = new CLexer(charStream);<\/p>\n
      CommonTokenStream tokens = new CommonTokenStream(lexer);<\/p>\n
      \/\/ \u521b\u5efa\u8bed\u6cd5\u5206\u6790\u5668<\/p>\n
      CParser parser = new CParser(tokens);<\/p>\n
      ParserRuleContext ctxt = parser.compilationUnit();<\/p>\n
      \/\/ \u8bbf\u95eeAST\u8282\u70b9<\/p>\n
      ctxt.accept(new CBaseVisitor<>());<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      CBaseVisitor\u7c7b<\/strong>\u662f\u4e00\u4e2a\u62bd\u8c61\u8bbf\u95ee\u8005\u7c7b\uff0c\u4f60\u9700\u8981\u7ee7\u627f\u5e76\u5b9e\u73b0\u5b83\u6765\u5b9a\u4e49\u5982\u4f55\u8bbf\u95eeAST\u7684\u5404\u4e2a\u90e8\u5206\u3002<\/p>\n<\/p>\n
      \u4e09\u3001\u5229\u7528Java\u53cd\u5c04API\u751f\u6210AST<\/p>\n<\/p>\n
      \u867d\u7136\u4e0d\u662f\u6700\u76f4\u89c2\u7684\u65b9\u5f0f\uff0cJava\u7684\u53cd\u5c04API\u5728\u6280\u672f\u4e0a\u53ef\u4ee5\u7528\u6765\u89e3\u6790C\/C++\u4ee3\u7801\uff0c\u5e76\u4ee5\u6b64\u6765\u5efa\u7acb\u4e00\u4e2aAST\u3002\u8fd9\u4e3b\u8981\u662f\u901a\u8fc7\u52a8\u6001\u52a0\u8f7dC\/C++\u89e3\u6790\u5e93\uff0c\u7136\u540e\u901a\u8fc7\u53cd\u5c04\u8c03\u7528\u5176API\u6765\u5b9e\u73b0\u3002\u8fd9\u79cd\u65b9\u6cd5\u8f83\u4e3a\u590d\u6742\u4e14\u6613\u51fa\u9519\uff0c\u56e0\u6b64\u4e0d\u63a8\u8350\u4f5c\u4e3a\u9996\u9009\u3002<\/p>\n<\/p>\n
      \u4ee5\u4e0a\u662f\u9488\u5bf9\u5982\u4f55\u4f7f\u7528Java\u89e3\u6790C\/C++\u4ee3\u7801\u751f\u6210AST\u7684\u51e0\u79cd\u65b9\u6cd5\u3002\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u5efa\u8bae\u4f18\u5148\u8003\u8651\u4f7f\u7528Eclipse CDT\u7ed9\u5b9a\u7684\u6210\u719f\u5de5\u5177\u94fe\u6216\u8005ANTLR\u8fd9\u6837\u7684\u4e13\u95e8\u5de5\u5177\uff0c\u56e0\u4e3a\u5b83\u4eec\u90fd\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u6587\u6863\u3001\u793e\u533a\u652f\u6301\u548c\u5b9e\u65bd\u793a\u4f8b\u3002<\/p>\n<\/p>\n
      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
      1. Java\u4e2d\u5982\u4f55\u89e3\u6790C\/C++\u4ee3\u7801\u5e76\u751f\u6210AST\u62bd\u8c61\u8bed\u6cd5\u6811\u7ed3\u6784\uff1f<\/strong><\/p>\n
      \u5728Java\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528ANTLR\uff08ANother Tool for Language Recognition\uff09\u8fd9\u6837\u7684\u5de5\u5177\u6765\u89e3\u6790C\/C++\u4ee3\u7801\u5e76\u751f\u6210AST\u62bd\u8c61\u8bed\u6cd5\u6811\u7ed3\u6784\u3002ANTLR\u662f\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u8bed\u6cd5\u5206\u6790\u5668\u751f\u6210\u5668\uff0c\u5b83\u53ef\u4ee5\u6839\u636e\u81ea\u5b9a\u4e49\u7684\u8bed\u6cd5\u89c4\u5219\u81ea\u52a8\u751f\u6210\u89e3\u6790\u5668\u548c\u8bcd\u6cd5\u5206\u6790\u5668\u3002\u4f60\u53ef\u4ee5\u9996\u5148\u5b9a\u4e49C\/C++\u4ee3\u7801\u7684\u8bed\u6cd5\u89c4\u5219\uff0c\u7136\u540e\u4f7f\u7528ANTLR\u6765\u751f\u6210\u76f8\u5e94\u7684\u89e3\u6790\u5668\u548c\u8bcd\u6cd5\u5206\u6790\u5668\u3002<\/p>\n
      2. \u5982\u4f55\u4f18\u5316Java\u89e3\u6790C\/C++\u4ee3\u7801\u751f\u6210AST\u7684\u6027\u80fd\uff1f<\/strong><\/p>\n
      \u8981\u4f18\u5316Java\u89e3\u6790C\/C++\u4ee3\u7801\u751f\u6210AST\u7684\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n
        \n
      • \n
        \u4f7f\u7528\u591a\u7ebf\u7a0b\uff1a\u5c06\u4ee3\u7801\u89e3\u6790\u548cAST\u751f\u6210\u7684\u8fc7\u7a0b\u5206\u6210\u591a\u4e2a\u4efb\u52a1\uff0c\u5e76\u901a\u8fc7\u7ebf\u7a0b\u6c60\u6765\u5e76\u53d1\u6267\u884c\uff0c\u53ef\u4ee5\u63d0\u9ad8\u89e3\u6790\u901f\u5ea6\u3002<\/p>\n<\/li>\n
      • \n
        \u7f13\u5b58\u89e3\u6790\u7ed3\u679c\uff1a\u5bf9\u4e8e\u5df2\u7ecf\u89e3\u6790\u8fc7\u7684\u4ee3\u7801\u6587\u4ef6\uff0c\u53ef\u4ee5\u5c06\u89e3\u6790\u7ed3\u679c\u7f13\u5b58\u8d77\u6765\uff0c\u4e0b\u6b21\u89e3\u6790\u76f8\u540c\u6587\u4ef6\u65f6\u76f4\u63a5\u4f7f\u7528\u7f13\u5b58\u7ed3\u679c\uff0c\u51cf\u5c11\u91cd\u590d\u89e3\u6790\u7684\u65f6\u95f4\u3002<\/p>\n<\/li>\n
      • \n
        \u4f18\u5316AST\u751f\u6210\u7b97\u6cd5\uff1a\u5bf9\u4e8e\u751f\u6210AST\u7684\u7b97\u6cd5\u8fdb\u884c\u4f18\u5316\uff0c\u5c3d\u91cf\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u904d\u5386\u548c\u8ba1\u7b97\u64cd\u4f5c\uff0c\u63d0\u9ad8\u751f\u6210\u901f\u5ea6\u3002<\/p>\n<\/li>\n<\/ul>\n
        3. \u9664\u4e86ANTLR\uff0c\u8fd8\u6709\u54ea\u4e9b\u5de5\u5177\u53ef\u4ee5\u7528\u6765\u89e3\u6790C\/C++\u4ee3\u7801\u751f\u6210AST\u62bd\u8c61\u8bed\u6cd5\u6811\u7ed3\u6784\uff1f<\/strong><\/p>\n
        \u9664\u4e86ANTLR\uff0c\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u5de5\u5177\u53ef\u4ee5\u7528\u6765\u89e3\u6790C\/C++\u4ee3\u7801\u751f\u6210AST\u62bd\u8c61\u8bed\u6cd5\u6811\u7ed3\u6784\uff0c\u4f8b\u5982\uff1a<\/p>\n
          \n
        • \n
          Clang\uff1aClang\u662f\u4e00\u6b3e\u5f00\u6e90\u7684C\/C++\u7f16\u8bd1\u5668\u524d\u7aef\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684API\u548c\u5e93\uff0c\u53ef\u4ee5\u7528\u4e8e\u89e3\u6790C\/C++\u4ee3\u7801\u5e76\u751f\u6210AST\u3002<\/p>\n<\/li>\n
        • \n
          Eclipse CDT\uff1aEclipse CDT\u662fEclipse\u5e73\u53f0\u4e0a\u7684\u4e00\u6b3eC\/C++\u5f00\u53d1\u5de5\u5177\uff0c\u5b83\u5305\u542b\u4e86\u4e00\u4e2a\u5f3a\u5927\u7684C\/C++\u89e3\u6790\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7API\u6765\u89e3\u6790C\/C++\u4ee3\u7801\u5e76\u751f\u6210AST\u3002<\/p>\n<\/li>\n
        • \n
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