【2025-11-16】现有代码上传

semantic.h

@@ -0,0 +1,38 @@
+#ifndef MINI_C_SEMANTIC_H
+#define MINI_C_SEMANTIC_H
+
+#include <vector>
+#include <string>
+#include <memory>
+#include "ast.h"
+#include "symbol.h"
+
+struct Diagnostic {
+    SourceLoc loc;
+    std::string message;
+};
+
+class SemanticAnalyzer {
+public:
+    SemanticAnalyzer();
+    void analyze(ASTNode* root);
+    void visitForDeclStmt(ASTNode* n);
+    const std::vector<Diagnostic>& diagnostics() const { return diags_; }
+    std::shared_ptr<Scope> getGlobalScope() const { return rootScope_; }
+private:
+    std::shared_ptr<Scope> rootScope_;
+    std::shared_ptr<Scope> currentScope_;
+    std::vector<Diagnostic> diags_;
+    void visit(ASTNode* n);
+    void visitFunctionDef(ASTNode* n);
+    void visitCompoundStmt(ASTNode* n);
+    void visitDeclaration(ASTNode* n);
+    void visitInitDecl(ASTNode* n);
+    void visitIdentifier(ASTNode* n);
+    ASTNode* lastSpecList_{nullptr};
+    void error(SourceLoc loc, const std::string& msg) {
+        diags_.push_back({loc, msg});
+    }
+};
+
+#endif // MINI_C_SEMANTIC_H