{"id":10006243,"date":"2022-08-18T11:24:03","date_gmt":"2022-08-18T03:24:03","guid":{"rendered":"https:\/\/ityet.com\/?p=10006243"},"modified":"2022-08-18T11:24:03","modified_gmt":"2022-08-18T03:24:03","slug":"%e4%b8%80%e9%97%a8%e8%af%ad%e8%a8%80%e7%9a%84%e4%bd%9c%e7%94%a8%e5%9f%9f%e5%92%8c%e5%87%bd%e6%95%b0%e8%b0%83%e7%94%a8%e6%98%af%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e7%9a%84","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006243","title":{"rendered":"\u4e00\u95e8\u8bed\u8a00\u7684\u4f5c\u7528\u57df\u548c\u51fd\u6570\u8c03\u7528\u662f\u5982\u4f55\u5b9e\u73b0\u7684"},"content":{"rendered":"<h2>\u524d\u8a00<\/h2>\n<p>\u4e0a\u6b21\u5229\u7528 Antlr \u91cd\u6784\u4e00\u7248 <a href=\"https:\/\/link.segmentfault.com\/?enc=odfyv7ylZO5Cvi3O9GvnaQ%3D%3D.I2LqcNJF5g7VR8m9d%2BUaqRUrk4cT1vwpBnyp2qiTbH1lY6%2F8VJGfFD1wFg4Leg%2FQQ6KS5mC5AbpAtd8VNuJz6HXIJ1yySd%2B70afcu37%2Bqw4%3D\" rel=\"nofollow\">\u7528 Antlr \u91cd\u6784\u811a\u672c\u89e3\u91ca\u5668<\/a> \u4e4b\u540e\u4fbf\u7740\u624b\u65b0\u589e\u5176\u4ed6\u529f\u80fd\uff0c\u4e5f\u5c31\u662f\u73b0\u5728\u770b\u5230\u7684\u652f\u6301\u4e86\u4f5c\u7528\u57df\u4ee5\u53ca\u51fd\u6570\u8c03\u7528\u3002<\/p>\n<pre><code class=\"java\">int b= 10;\nint foo(int age){\n    for(int i=0;i&lt;10;i++){\n        age++;\n    }\n    return b+age;\n}\nint add(int a,int b) {\n    int e = foo(10);\n    e = e+10;\n    return a+b+3+e;\n}\nadd(2,20);\n\/\/ Output:65<\/code><\/pre>\n<p>\u6574\u4e2a\u8bed\u6cd5\u89c4\u5219\u5927\u90e8\u5206\u53c2\u8003\u4e86 Java\uff0c\u73b0\u9636\u6bb5\u652f\u6301\u4e86\uff1a<\/p>\n<ul>\n<li>\u51fd\u6570\u58f0\u660e\u4e0e\u8c03\u7528\u3002<\/li>\n<li>\u51fd\u6570\u8c03\u7528\u7684\u5165\u6808\u548c\u51fa\u6808\uff0c\u4fdd\u8bc1\u4e86\u51fd\u6570\u5c40\u90e8\u53d8\u91cf\u5728\u51fd\u6570\u9000\u51fa\u65f6\u9500\u6bc1\u3002<\/li>\n<li>\u4f5c\u7528\u57df\u652f\u6301\uff0c\u5185\u90e8\u4f5c\u7528\u57df\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u4f5c\u7528\u57df\u7684\u53d8\u91cf\u3002<\/li>\n<li>\u57fa\u672c\u7684\u8868\u8fbe\u5f0f\u8bed\u53e5\uff0c\u5982 <code>i++, !=,==<\/code><\/li>\n<\/ul>\n<p>\u8fd9\u6b21\u5b9e\u73b0\u7684\u91cd\u70b9\u4e0e\u96be\u70b9\u5219\u662f\u4f5c\u7528\u57df\u4e0e\u51fd\u6570\u8c03\u7528\uff0c\u5b9e\u73b0\u4e4b\u540e\u4e5f\u7b97\u662f\u6ee1\u8db3\u4e86\u6211\u7684\u597d\u5947\u5fc3\uff0c\u4e0d\u8fc7\u5728\u8bb2\u4f5c\u7528\u57df\u4e0e\u51fd\u6570\u8c03\u7528\u4e4b\u524d\u5148\u6765\u770b\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u53d8\u91cf\u58f0\u660e\u4e0e\u8bbf\u95ee\u8bed\u53e5\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff0c\u8fd9\u6837\u540e\u7eed\u7684\u7406\u89e3\u4f1a\u66f4\u52a0\u5bb9\u6613\u3002<\/p>\n<h2>\u53d8\u91cf\u58f0\u660e<\/h2>\n<pre><code class=\"java\">int a=10;\na;<\/code><\/pre>\n<blockquote><p>\u7531\u4e8e\u8fd8\u6ca1\u6709\u5b9e\u73b0\u5185\u7f6e\u51fd\u6570\uff0c\u6bd4\u5982\u63a7\u5236\u53f0\u8f93\u51fa\u51fd\u6570 print()\uff0c\u6240\u4ee5\u8fd9\u91cc\u5c31\u76f4\u63a5\u8bbf\u95ee\u53d8\u91cf\u4e5f\u80fd\u62ff\u5230\u6570\u636e<\/p><\/blockquote>\n<p>\u8fd0\u884c\u540e\u7ed3\u679c\u5982\u4e0b\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332589\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u9996\u5148\u770b\u770b\u53d8\u91cf\u58f0\u660e\u8bed\u53e5\u7684\u8bed\u6cd5\uff1a<\/p>\n<pre><code class=\"antlr\">variableDeclarators\n    : typeType variableDeclarator (',' variableDeclarator)*\n    ;\n\nvariableDeclarator\n    : variableDeclaratorId ('=' variableInitializer)?\n    ;\ntypeList\n    : typeType (',' typeType)*\n    ;\ntypeType\n    : (functionType | primitiveType) ('[' ']')*\n    ;\nprimitiveType\n    : INT\n    | STRING\n    | FLOAT\n    | BOOLEAN\n    ;        <\/code><\/pre>\n<p>\u53ea\u770b\u8bed\u6cd5\u4e0d\u592a\u76f4\u89c2\uff0c\u76f4\u63a5\u770b\u4e0b\u751f\u6210\u7684 AST \u6811\u5c31\u660e\u767d\u4e86\uff1a<br \/> <img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332590\" alt=\"\" title=\"\" loading=\"lazy\"><br \/> \u7f16\u8bd1\u671f<br \/> \u5de6\u8fb9\u8fd9\u68f5 <code>BlockVardeclar<\/code> \u6811\u5bf9\u5e94\u7684\u5c31\u662f  <code>int a=10;<\/code>\uff0c\u53f3\u8fb9\u7684 <code>blockStm<\/code> \u5bf9\u5e94\u7684\u5c31\u662f\u53d8\u91cf\u8bbf\u95ee <code>a<\/code>\u3002<\/p>\n<p>\u6574\u4e2a\u7a0b\u5e8f\u7684\u8fd0\u884c\u8fc7\u7a0b\u5206\u4e3a\u7f16\u8bd1\u671f\u548c\u8fd0\u884c\u671f\uff0c\u5bf9\u5e94\u7684\u6d41\u7a0b\uff1a<\/p>\n<ul>\n<li>\u904d\u5386 AST \u6811\uff0c\u505a\u8bed\u4e49\u5206\u6790\uff0c\u751f\u6210\u5bf9\u5e94\u7684\u7b26\u53f7\u8868\u3001\u7c7b\u578b\u8868\u3001\u5f15\u7528\u6d88\u89e3\u3001\u8fd8\u6709\u4e00\u4e9b\u8bed\u6cd5\u6821\u9a8c\uff0c\u6bd4\u5982\u53d8\u91cf\u540d\u3001\u51fd\u6570\u540d\u662f\u5426\u91cd\u590d\u3001\u662f\u5426\u80fd\u8bbf\u95ee\u79c1\u6709\u53d8\u91cf\u7b49\u3002<\/li>\n<li>\u8fd0\u884c\u671f\uff1a\u4ece\u7f16\u8bd1\u671f\u4e2d\u751f\u6210\u7684\u7b26\u53f7\u8868\u3001\u7c7b\u578b\u8868\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u6267\u884c\u5177\u4f53\u7684\u4ee3\u7801\u903b\u8f91\u3002<\/li>\n<\/ul>\n<h3>\u8bbf\u95ee AST<\/h3>\n<p>\u5bf9\u4e8e\u521a\u624d\u63d0\u5230\u7684\u7f16\u8bd1\u671f\u548c\u8fd0\u884c\u671f\u5176\u5b9e\u5206\u522b\u5bf9\u5e94\u4e24\u79cd\u8bbf\u95ee <code>AST<\/code> \u7684\u65b9\u5f0f\uff0c\u8fd9\u4e5f\u662f <code>Antlr<\/code> \u6240\u63d0\u4f9b\u4e24\u79cd\u65b9\u5f0f\u3002<\/p>\n<h4>Listener \u6a21\u5f0f<\/h4>\n<p>\u7b2c\u4e00\u79cd\u662f <code>Listener<\/code> \u6a21\u5f0f\uff0c\u5c31\u8fd9\u540d\u5b57\u4e5f\u80fd\u731c\u5230\u662f\u5982\u4f55\u8fd0\u884c\u7684\uff1b\u6211\u4eec\u9700\u8981\u5b9e\u73b0 Antlr \u6240\u63d0\u4f9b\u7684\u63a5\u53e3\uff0c\u8fd9\u4e9b\u63a5\u53e3\u5206\u522b\u5bf9\u5e94 AST \u6811\u4e2d\u7684\u4e0d\u540c\u8282\u70b9\u3002<\/p>\n<p>\u63a5\u7740 Antlr \u4f1a\u81ea\u52a8\u904d\u5386\u8fd9\u68f5\u6811\uff0c\u5f53\u8bbf\u95ee\u548c\u9000\u51fa\u67d0\u4e2a\u8282\u70b9\u65f6\u53d8\u4f1a\u56de\u8c03\u6211\u4eec\u81ea\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u8fd9\u4e9b\u63a5\u53e3\u90fd\u662f\u6ca1\u6709\u8fd4\u56de\u503c\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5c06\u904d\u5386\u8fc7\u7a0b\u4e2d\u7684\u6570\u636e\u81ea\u884c\u5b58\u653e\u8d77\u6765\u3002<\/p>\n<p>\u8fd9\u70b9\u975e\u5e38\u9002\u5408\u4e0a\u6587\u63d0\u5230\u7684\u7f16\u8bd1\u671f\uff0c\u904d\u5386\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u6570\u636e\u81ea\u7136\u5c31\u4f1a\u5b58\u653e\u5230\u7b26\u53f7\u8868\u3001\u7c7b\u578b\u8868\u8fd9\u4e9b\u5bb9\u5668\u4e2d\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332591\" alt=\"\" title=\"\" loading=\"lazy\"><br \/>\u4ee5\u8fd9\u6bb5\u4ee3\u7801\u4e3a\u4f8b\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86\u7a0b\u5e8f\u6839\u8282\u70b9\u3001for\u5faa\u73af\u8282\u70b9\u7684\u8fdb\u5165\u548c\u9000\u51fa Listener\uff0c\u5f53 Antlr \u8fd0\u884c\u5230\u8fd9\u4e9b\u8282\u70b9\u65f6\u4fbf\u4f1a\u6267\u884c\u5176\u4e2d\u7684\u903b\u8f91\u3002<\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=FnBtvz4GZnubgcyQjXCAkQ%3D%3D.ZgryGSFI2Nh8eEdZrM0lS2SvceNW2Nnw6%2Brfayhv%2B5VwijnMs4ghQjnVaXZH4qRUV8%2Fd2%2BU%2Fcdr4aKhWIklm8nBCmMIVjVXiOF4TXwRVGsJRWrl4tAzoJv1%2Bc2VzWNAT\" rel=\"nofollow\">https:\/\/github.com\/crossoverJie\/gscript\/blob\/main\/resolver\/type_scope_resolver.go<\/a><\/p>\n<h4>Visitor \u6a21\u5f0f<\/h4>\n<p><code>Visitor<\/code> \u6a21\u5f0f\u6b63\u597d\u548c <code>Listener<\/code> \u76f8\u53cd\uff0c\u8fd9\u662f\u7531\u6211\u4eec\u81ea\u884c\u63a7\u5236\u9700\u8981\u8bbf\u95ee\u54ea\u4e2a AST \u8282\u70b9\uff0c\u540c\u65f6\u9700\u8981\u5728\u6bcf\u6b21\u8bbf\u95ee\u4e4b\u540e\u8fd4\u56de\u6570\u636e\uff0c\u8fd9\u70b9\u975e\u5e38\u9002\u5408\u6765\u505a\u7a0b\u5e8f\u8fd0\u884c\u671f\u3002<\/p>\n<p>\u914d\u5408\u5728\u7f16\u8bd1\u671f\u4e2d\u5b58\u653e\u7684\u6570\u636e\uff0c\u4fbf\u53ef\u4ee5\u5b9e\u73b0\u5404\u79cd\u7279\u6027\u4e86\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332592\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4ee5\u4e0a\u56fe\u4e3a\u4f8b\uff0c\u5728\u8bbf\u95ee Prog \u8282\u70b9\u65f6\u4fbf\u53ef\u4ee5\u4ece\u7f16\u8bd1\u671f\u4e2d\u62ff\u5230\u5f53\u524d\u8282\u70b9\u6240\u5bf9\u5e94\u7684\u4f5c\u7528\u57df <code>scope<\/code>\uff0c\u540c\u65f6\u6211\u4eec\u53ef\u4ee5\u81ea\u884c\u63a7\u5236\u8bbf\u95ee\u4e0b\u4e00\u4e2a\u8282\u70b9 <code>VisitBlockStms<\/code>\uff0c\u8bbf\u95ee\u5176\u4ed6\u8282\u70b9\u5f53\u7136\u4e5f\u662f\u53ef\u4ee5\u7684\uff0c\u4e0d\u8fc7\u901a\u5e38\u6211\u4eec\u8fd8\u662f\u6309\u7167\u8bed\u6cd5\u4e2d\u5b9a\u4e49\u7684\u7ed3\u6784\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n<h2>\u4f5c\u7528\u57df<\/h2>\n<p>\u5373\u4fbf\u662f\u540c\u4e00\u4e2a\u8bed\u6cd5\u751f\u6210\u7684 AST \u662f\u76f8\u540c\u7684\uff0c\u4f46\u6211\u4eec\u5728\u904d\u5386 AST \u65f6\u5b9e\u73b0\u4e0d\u540c\u4e5f\u5c31\u4f1a\u5bfc\u81f4\u4e0d\u540c\u7684\u8bed\u4e49\uff0c\u8fd9\u5c31\u662f\u5404\u4e2a\u8bed\u8a00\u8bed\u4e49\u5206\u6790\u7684\u4e0d\u540c\u4e4b\u5904\u3002<\/p>\n<blockquote><p>\u6bd4\u5982 Java \u4e0d\u5141\u8bb8\u5728\u5b50\u4f5c\u7528\u57df\u4e2d\u58f0\u660e\u548c\u7236\u4f5c\u7528\u57df\u4e2d\u76f8\u540c\u7684\u53d8\u91cf\uff0c\u4f46 JavaScript \u5374\u662f\u53ef\u4ee5\u7684\u3002<\/p><\/blockquote>\n<p>\u6709\u4e86\u4e0a\u9762\u7684\u57fa\u7840\u4e0b\u9762\u6211\u4eec\u6765\u770b\u770b\u4f5c\u7528\u57df\u662f\u5982\u4f55\u5b9e\u73b0\u7684\u3002<\/p>\n<pre><code class=\"java\">int a=10;\na;<\/code><\/pre>\n<p>\u8fd8\u662f\u4ee5\u8fd9\u6bb5\u4ee3\u7801\u4e3a\u4f8b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332593\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u91cc\u6211\u7b80\u5355\u753b\u4e86\u4e0b\u6d41\u7a0b\uff1a<\/p>\n<p>\u5728\u7f16\u8bd1\u671f\u95f4\u4f1a\u4f1a\u4e3a\u5f53\u524d\u8282\u70b9\u5199\u5165\u4e00\u4e2a <code>scope<\/code>\uff0c\u4ee5\u53ca\u5728 <code>scope<\/code> \u4e2d\u5199\u5165\u53d8\u91cf <code>\u201ca\u201d<\/code>\u3002<\/p>\n<blockquote><p>\u8fd9\u91cc\u7684\u5199\u5165 scope \u548c\u5199\u5165\u53d8\u91cf\u662f\u5206\u4e3a\u4e24\u6b21 Listener \u8fdb\u884c\u7684\uff0c\u5177\u4f53\u4ee3\u7801\u5b9e\u73b0\u5728\u4e0b\u9762\u67e5\u770b\u6e90\u7801\u3002<\/p><\/blockquote>\n<p>\u7b2c\u4e00\u6b21\uff1a<br \/><a href=\"https:\/\/link.segmentfault.com\/?enc=h2TcsDacd1%2BnlW8tyG981A%3D%3D.tSWpfcmC4Tu2ZIrnyX26wTCsrSkCaRQoyOZT16jqxcnvsXxELo0ZHtkMH05SUEez57cpdD6YnSDuQCZg%2BAZ%2BW0edFAy0fjKokaINHP04XwO7lVnXXpHc5MS2EuF87zrT\" rel=\"nofollow\">https:\/\/github.com\/crossoverJie\/gscript\/blob\/main\/resolver\/type_scope_resolver.go#L21<\/a><\/p>\n<p>\u7b2c\u4e8c\u6b21\uff1a<br \/><a href=\"https:\/\/link.segmentfault.com\/?enc=Vsddm6pljupPnchZtr%2Ff8Q%3D%3D.vvS%2FZ1AuN%2Fd4lfyb4UubRCwL%2FQcF4Mmq0bWKW18UfPnfNeFRh5qnrbqlHvZBdGijlZ39T1ymSQJ6awfdlHG8GKlclV3DL5H35%2FHvCaMISJE%3D\" rel=\"nofollow\">https:\/\/github.com\/crossoverJie\/gscript\/blob\/main\/resolver\/type_resolver.go#L59<\/a><\/p>\n<p>\u63a5\u7740\u662f\u8fd0\u884c\u671f\uff0c\u4ece\u7f16\u8bd1\u671f\u4e2d\u751f\u6210\u7684\u6570\u636e\u62ff\u5230 <code>scope<\/code> \u4ee5\u53ca\u5176\u4e2d\u7684\u53d8\u91cf\uff0c\u83b7\u53d6\u53d8\u91cf\u65f6\u6709\u4e00\u4e2a\u7ec6\u8282\uff1a<br \/>\u5f53\u524d scope \u4e2d\u5982\u679c\u83b7\u53d6\u4e0d\u5230\u9700\u8981\u5c1d\u8bd5\u4ece\u7236\u7ea7 <code>scope<\/code> \u4e2d\u83b7\u53d6\uff0c\u6bd4\u5982\u5982\u4e0b\u60c5\u51b5\uff1a<\/p>\n<pre><code class=\"java\">int b= 10;\nint foo(){\n    return b;\n}<\/code><\/pre>\n<p>\u8fd9\u91cc\u7684 b \u5728\u5f53\u524d\u51fd\u6570\u4f5c\u7528\u57df\u4e2d\u662f\u83b7\u53d6\u4e0d\u5230\u7684\uff0c\u53ea\u80fd\u5728\u7236\u7ea7 <code>scope<\/code> \u4e2d\u83b7\u53d6\u3002<\/p>\n<blockquote><p>\u7236\u7ea7 scope \u7684\u5173\u7cfb\u662f\u5728\u521b\u5efa scope \u7684\u65f6\u5019\u7ef4\u62a4\u8fdb\u53bb\u7684\uff0c\u9ed8\u8ba4\u5f53\u524d scope \u5c31\u662f\u5199\u5165\u65f6 scope \u7684\u7236\u7ea7\u3002<\/p><\/blockquote>\n<p>\u5173\u952e\u4ee3\u7801\u8bd5\u4e0b\u5982\u4e0b\u56fe\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332594\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u7b2c\u56db\u6b65\u83b7\u53d6\u53d8\u91cf\u7684\u503c\u4e5f\u662f\u9700\u8981\u8bbf\u95ee\u5230 AST \u4e2d\u7684\u5b57\u9762\u91cf\u8282\u70b9\u83b7\u53d6\u503c\u5373\u53ef\uff0c\u6838\u5fc3\u4ee3\u7801\u5982\u4e0b\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332595\" alt=\"\" title=\"\" loading=\"lazy\"><br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332596\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>\u51fd\u6570<\/h2>\n<p>\u51fd\u6570\u7684\u8c03\u7528\u6700\u6838\u5fc3\u7684\u5c31\u662f\u5728\u8fd0\u884c\u65f6\u9700\u8981\u628a\u5f53\u524d\u51fd\u6570\u4e2d\u7684\u6240\u6709\u6570\u636e\u5165\u6808\uff0c\u8bbf\u95ee\u5b8c\u6bd5\u540e\u51fa\u6808\uff0c\u8fd9\u6837\u624d\u80fd\u5b9e\u73b0\u51fd\u6570\u9000\u51fa\u540e\u81ea\u52a8\u91ca\u653e\u51fd\u6570\u4f53\u7c7b\u7684\u6570\u636e\u3002<\/p>\n<p>\u6838\u5fc3\u4ee3\u7801\u5982\u4e0b\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332597\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<pre><code class=\"java\">int b= 10;\nint foo(){\n    return b;\n}\nint func(int a,int b) {\n    int e = foo();\n    return a+b+3+e;\n}\nfunc(2,20);<\/code><\/pre>\n<p>\u5373\u4fbf\u662f\u6709\u4e0a\u9762\u8fd9\u7c7b\u51fd\u6570\u7c7b\u8c03\u5176\u4ed6\u51fd\u6570\u60c5\u51b5\u4e5f\u4e0d\u5fc5\u62c5\u5fc3\uff0c\u65e0\u975e\u5c31\u662f\u5728\u6267\u884c\u51fd\u6570\u4f53\u7684\u65f6\u5019\u518d\u5f80\u6808\u4e2d\u5199\u5165\u6570\u636e\u800c\u5df2\uff0c\u51fd\u6570\u9000\u51fa\u540e\u4f1a\u4f9d\u6b21\u9000\u51fa\u6808\u5e27\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332598\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6709\u70b9\u7c7b\u4f3c\u4e8e\u5339\u914d\u62ec\u53f7\u7684\u7b97\u6cd5 <code>{[()]}<\/code>\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\u9012\u5f52\u8c03\u7528\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u9650\u4e8e\u7bc7\u5e45\u5176\u4e2d\u7684\u8bb8\u591a\u7ec6\u8282\u6ca1\u6709\u4ed4\u7ec6\u8ba8\u8bba\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u76f4\u63a5\u8dd1\u8dd1\u5355\u6d4b\uff0cdebug \u8bd5\u8bd5\u3002<\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=lxxnP8ATnpgaZXK93BjkeQ%3D%3D.T1FX2RVE9%2FLXxE97o%2FR02f8GxLa9WNHqMfYnX%2B6VooD5L0zQgdQQ%2BVdc6xPOrjLv9t5c6NnJNB%2BhHCA%2FTWu13R1M5MTr%2FlOwBXaUPLSQNzE%3D\" rel=\"nofollow\">https:\/\/github.com\/crossoverJie\/gscript\/blob\/main\/compiler_test.go<\/a><\/p>\n<p>\u76ee\u524d\u7684\u7248\u672c\u8fd8\u6bd4\u8f83\u521d\u7ea7\uff0c\u6bd4\u5982\u57fa\u672c\u7c7b\u578b\u8fd8\u53ea\u6709 int\uff0c\u4e5f\u6ca1\u6709\u4e00\u4e9b\u5e38\u7528\u7684\u5185\u7f6e\u51fd\u6570\u3002<\/p>\n<p>\u540e\u7eed\u4f1a\u9010\u6b65\u5b8c\u5584\uff0c\u6bd4\u5982\u65b0\u589e\uff1a<\/p>\n<ul>\n<li>\u51fd\u6570\u591a\u8fd4\u56de\u503c\u3002<\/li>\n<li>\u81ea\u5b9a\u4e49\u7c7b\u578b<\/li>\n<li>\u95ed\u5305<\/li>\n<\/ul>\n<p>\u7b49\u7279\u6027\uff0c\u8fd9\u4e2a\u5751\u4f1a\u4e00\u76f4\u586b\u4e0b\u53bb\uff0c\u5e0c\u671b\u5728\u5e74\u5e95\u53ef\u4ee5\u7528 <code>gscript<\/code> \u5199\u4e00\u4e2a <code>web<\/code> \u670d\u52a1\u7aef\u90a3\u5c31\u7b97\u662f\u91cc\u7a0b\u7891\u5b8c\u6210\u4e86\u3002<\/p>\n<p>\u73b0\u9636\u6bb5\u4e5f\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7b80\u6613\u7684 <code>REPL<\/code> \u5de5\u5177\uff0c\u5927\u5bb6\u53ef\u4ee5\u5b89\u88c5\u8bd5\u7528\uff1a<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042332599\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6e90\u7801\u5730\u5740\uff1a<br \/><a href=\"https:\/\/link.segmentfault.com\/?enc=FEruBxWMXRQwlh8FAmKiXw%3D%3D.gfEbtjjFP9Umf1qcSsBFpYx7IlcN5DsewJw8946jpeJu1rop21yvrEkCIWcbnLjI\" rel=\"nofollow\">https:\/\/github.com\/crossoverJie\/gscript<\/a><\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042332587\">https:\/\/segmentfault.com\/a\/1190000042332587<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u4e0a\u6b21\u5229\u7528 Antlr \u91cd\u6784\u4e00\u7248 \u7528 Antlr \u91cd\u6784\u811a\u672c\u89e3\u91ca\u5668 \u4e4b\u540e\u4fbf\u7740\u624b\u65b0\u589e\u5176\u4ed6\u529f\u80fd\uff0c\u4e5f\u5c31\u662f\u73b0\u5728\u770b\u5230\u7684 [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006243","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006243"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006243\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}