完成 Error定义和ErrorLog. 以及一些相关的东西

2026-02-13 23:11:37 +08:00
parent cfcdfde170
commit 877253cbbc
22 changed files with 2200 additions and 0 deletions
--- a/src/Error/Error.cpp
+++ b/src/Error/Error.cpp
@@ -0,0 +1,149 @@
+#include <Core/Core.hpp>
+#include <Error/Error.hpp>
+
+#include <sstream>
+
+namespace Fig
+{
+    void ColoredPrint(const char *color, const char *msg, std::ostream &ost = CoreIO::GetStdErr())
+    {
+        ost << color << msg << TerminalColors::Reset;
+    }
+
+    void ColoredPrint(const char *color, const std::string &msg, std::ostream &ost = CoreIO::GetStdErr())
+    {
+        ost << color << msg << TerminalColors::Reset;
+    }
+
+    void ColoredPrint(const char *color, const String &msg, std::ostream &ost = CoreIO::GetStdErr())
+    {
+        ost << color << msg << TerminalColors::Reset;
+    }
+
+    std::string MultipleStr(const char *c, size_t n)
+    {
+        std::string buf;
+        for (size_t i = 0; i < n; ++i) { buf += c; }
+        return buf;
+    }
+
+    const char *ErrorTypeToString(ErrorType type)
+    {
+        switch (type)
+        {
+            case ErrorType::UnusedSymbol: return "UnusedSymbol";
+
+            case ErrorType::MayBeNull: return "MaybeNull";
+
+            case ErrorType::UnterminatedString: return "UnterminatedString";
+            case ErrorType::SyntaxError: return "SyntaxError";
+            default: return "Some one forgot to add case to `ErrorTypeToString`";
+        }
+    }
+
+    void PrintSystemInfos()
+    {
+        std::ostream &err = CoreIO::GetStdErr();
+        std::stringstream build_info;
+        build_info << "\r🌘 Fig v" << Core::VERSION << " on " << Core::PLATFORM << ' ' << Core::ARCH << '['
+                   << Core::COMPILER << ']' << '\n'
+                   << "   Build Time: " << Core::COMPILE_TIME;
+
+        const std::string &build_info_str = build_info.str();
+        err << MultipleStr("─", build_info_str.size()) << '\n';
+        err << build_info_str << '\n';
+        err << MultipleStr("─", build_info_str.size()) << '\n';
+    }
+
+    void PrintErrorInfo(const Error &error, const SourceManager &srcManager)
+    {
+        static constexpr const char *MinorColor = "\033[38;2;138;227;198m";
+        static constexpr const char *MediumColor = "\033[38;2;255;199;95m";
+        static constexpr const char *CriticalColor = "\033[38;2;255;107;107m";
+
+        namespace TC = TerminalColors;
+        std::ostream &err = CoreIO::GetStdErr();
+
+        uint8_t level = ErrorLevel(error.type);
+        // const char *level_name = (level == 1 ? "Minor" : (level == 2 ? "Medium" : "Critical"));
+        const char *level_color = (level == 1 ? MinorColor : (level == 2 ? MediumColor : CriticalColor));
+
+        err << "🔥 "
+            << level_color
+            //<< '(' << level_name << ')'
+            << 'E' << static_cast<int>(error.type) << TC::Reset << ": " << level_color << ErrorTypeToString(error.type)
+            << TC::Reset << '\n';
+
+        const SourceLocation &location = error.location;
+
+        err << TC::DarkGray << "  ┌─> " << TC::Cyan << location.fileName << " " << TC::DarkGray << location.sp.line
+            << ":" << location.sp.column << '\n';
+        err << TC::DarkGray << "  │" << '\n' << "  │" << TC::Reset << '\n';
+
+        // 尝试打印上3行 下2行
+
+        int64_t line_start = location.sp.line - 3, line_end = location.sp.line + 2;
+        while (!srcManager.HasLine(line_end)) { --line_end; }
+        while (!srcManager.HasLine(line_start)) { ++line_start; }
+
+        const auto &getLineNumWidth = [](size_t l) {
+            unsigned int cnt = 0;
+            while (l != 0)
+            {
+                l = l / 10;
+                cnt++;
+            }
+            return cnt;
+        };
+        unsigned int max_line_number_width = getLineNumWidth(line_end);
+        for (size_t i = line_start; i <= line_end; ++i)
+        {
+            unsigned int offset = 2 + 2 + 1;
+            //                     '  └─ '
+            if (i == location.sp.line) { err << TC::DarkGray << "  └─ " << TC::Reset; }
+            else if (i < location.sp.line) { err << TC::DarkGray << "  │  " << TC::Reset; }
+            else
+            {
+                err << MultipleStr(" ", offset);
+            }
+            unsigned int cur_line_number_width = getLineNumWidth(i);
+
+            err << MultipleStr(" ", max_line_number_width - cur_line_number_width) << TC::Yellow << i << TC::Reset;
+            err << " │ " << srcManager.GetLine(i) << '\n';
+            if (i == location.sp.line)
+            {
+                unsigned int error_col_offset = offset + 1 + max_line_number_width + 2;
+                err << MultipleStr(" ", error_col_offset) << MultipleStr(" ", location.sp.column - 1) << TC::LightGreen
+                    << MultipleStr("^", location.sp.tok_length) << TC::Reset << '\n';
+
+                err << MultipleStr(" ", error_col_offset)
+                    << MultipleStr(" ", location.sp.column - 1 + location.sp.tok_length / 2) << "╰─ " << level_color
+                    << error.message << TC::Reset << "\n\n";
+            }
+        }
+        err << "\n";
+        err << "❓ " << TC::DarkGray << "Thrower: " << error.thrower_loc.function_name() << " ("
+            << error.thrower_loc.file_name() << ":" << error.thrower_loc.line() << ")" << TC::Reset << "\n";
+        err << "💡 " << TC::Blue << "Suggestion: " << error.suggestion << TC::Reset;
+    }
+
+    void ReportError(const Error &error, const SourceManager &srcManager)
+    {
+        assert(srcManager.read && "ReportError: srcManager doesn't read source");
+        assert(srcManager.HasLine(error.location.sp.line));
+
+        PrintSystemInfos();
+        PrintErrorInfo(error, srcManager);
+    }
+
+    void ReportErrors(const std::vector<Error> &errors, const SourceManager &srcManager)
+    {
+        std::ostream &ost = CoreIO::GetStdErr();
+        PrintSystemInfos();
+        for (const auto &err : errors)
+        {
+            PrintErrorInfo(err, srcManager);
+            ost << '\n';
+        }
+    }
+}; // namespace Fig