45 lines
1.6 KiB
Java
45 lines
1.6 KiB
Java
package org.jcnc.snow.compiler;
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import org.jcnc.snow.compiler.lexer.LexerEngine;
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import org.jcnc.snow.compiler.lexer.token.Token;
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import org.jcnc.snow.compiler.lexer.utils.TokenPrinter;
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import org.jcnc.snow.compiler.parser.ParserEngine;
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import org.jcnc.snow.compiler.parser.context.ParserContext;
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import org.jcnc.snow.compiler.parser.ast.Node;
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import org.jcnc.snow.compiler.parser.ast.ASTPrinter;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.List;
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public class Main {
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public static void main(String[] args) throws IOException {
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// 读取源文件
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String filePath = args.length > 0 ? args[0] : "test";
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String source = Files.readString(Path.of(filePath), StandardCharsets.UTF_8);
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// 1. 词法分析
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LexerEngine lexerEngine = new LexerEngine(source);
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List<Token> tokens = lexerEngine.getAllTokens();
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TokenPrinter.printTokens(tokens); // 可选：打印 Token 列表
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// 2. 语法分析
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ParserContext ctx = new ParserContext(tokens);
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List<Node> ast = new ParserEngine(ctx).parse();
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// 3. 可读地打印 AST
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ASTPrinter.print(ast);
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// // 1) 输出紧凑 JSON
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// String compact = ASTJsonSerializer.toJsonString(ast);
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// System.out.println("=== Compact JSON ===");
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// System.out.println(compact);
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//
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// // 2) 输出美化后的 JSON
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// System.out.println("=== Pretty JSON ===");
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// System.out.println(JsonFormatter.prettyPrint(compact));
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}
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} |