diff options
Diffstat (limited to 'lldb/source/Commands/CommandObjectExpression.cpp')
-rw-r--r-- | lldb/source/Commands/CommandObjectExpression.cpp | 154 |
1 files changed, 11 insertions, 143 deletions
diff --git a/lldb/source/Commands/CommandObjectExpression.cpp b/lldb/source/Commands/CommandObjectExpression.cpp index 49f4421..7711946 100644 --- a/lldb/source/Commands/CommandObjectExpression.cpp +++ b/lldb/source/Commands/CommandObjectExpression.cpp @@ -10,7 +10,6 @@ #include "CommandObjectExpression.h" #include "lldb/Core/Debugger.h" -#include "lldb/Expression/DiagnosticManager.h" #include "lldb/Expression/ExpressionVariable.h" #include "lldb/Expression/REPL.h" #include "lldb/Expression/UserExpression.h" @@ -399,122 +398,6 @@ CanBeUsedForElementCountPrinting(ValueObject &valobj) { return Status(); } -static llvm::raw_ostream &PrintSeverity(Stream &stream, - lldb::Severity severity) { - llvm::HighlightColor color; - llvm::StringRef text; - switch (severity) { - case eSeverityError: - color = llvm::HighlightColor::Error; - text = "error: "; - break; - case eSeverityWarning: - color = llvm::HighlightColor::Warning; - text = "warning: "; - break; - case eSeverityInfo: - color = llvm::HighlightColor::Remark; - text = "note: "; - break; - } - return llvm::WithColor(stream.AsRawOstream(), color, llvm::ColorMode::Enable) - << text; -} - -namespace lldb_private { -// Public for unittesting. -void RenderDiagnosticDetails(Stream &stream, - std::optional<uint16_t> offset_in_command, - bool show_inline, - llvm::ArrayRef<DiagnosticDetail> details) { - if (details.empty()) - return; - - if (!offset_in_command) { - for (const DiagnosticDetail &detail : details) { - PrintSeverity(stream, detail.severity); - stream << detail.rendered << '\n'; - } - return; - } - - // Print a line with caret indicator(s) below the lldb prompt + command. - const size_t padding = *offset_in_command; - stream << std::string(padding, ' '); - - size_t offset = 1; - std::vector<DiagnosticDetail> remaining_details, other_details, - hidden_details; - for (const DiagnosticDetail &detail : details) { - if (!show_inline || !detail.source_location) { - other_details.push_back(detail); - continue; - } - if (detail.source_location->hidden) { - hidden_details.push_back(detail); - continue; - } - if (!detail.source_location->in_user_input) { - other_details.push_back(detail); - continue; - } - - auto &loc = *detail.source_location; - remaining_details.push_back(detail); - if (offset > loc.column) - continue; - stream << std::string(loc.column - offset, ' ') << '^'; - if (loc.length > 1) - stream << std::string(loc.length - 1, '~'); - offset = loc.column + 1; - } - stream << '\n'; - - // Work through each detail in reverse order using the vector/stack. - bool did_print = false; - for (auto detail = remaining_details.rbegin(); - detail != remaining_details.rend(); - ++detail, remaining_details.pop_back()) { - // Get the information to print this detail and remove it from the stack. - // Print all the lines for all the other messages first. - stream << std::string(padding, ' '); - size_t offset = 1; - for (auto &remaining_detail : - llvm::ArrayRef(remaining_details).drop_back(1)) { - uint16_t column = remaining_detail.source_location->column; - stream << std::string(column - offset, ' ') << "│"; - offset = column + 1; - } - - // Print the line connecting the ^ with the error message. - uint16_t column = detail->source_location->column; - if (offset <= column) - stream << std::string(column - offset, ' ') << "╰─ "; - - // Print a colorized string based on the message's severity type. - PrintSeverity(stream, detail->severity); - - // Finally, print the message and start a new line. - stream << detail->message << '\n'; - did_print = true; - } - - // Print the non-located details. - for (const DiagnosticDetail &detail : other_details) { - PrintSeverity(stream, detail.severity); - stream << detail.rendered << '\n'; - did_print = true; - } - - // Print the hidden details as a last resort. - if (!did_print) - for (const DiagnosticDetail &detail : hidden_details) { - PrintSeverity(stream, detail.severity); - stream << detail.rendered << '\n'; - } -} -} // namespace lldb_private - bool CommandObjectExpression::EvaluateExpression(llvm::StringRef expr, Stream &output_stream, Stream &error_stream, @@ -603,34 +486,19 @@ bool CommandObjectExpression::EvaluateExpression(llvm::StringRef expr, result.SetStatus(eReturnStatusSuccessFinishResult); } else { - // Retrieve the diagnostics. - std::vector<DiagnosticDetail> details; - llvm::consumeError(llvm::handleErrors( - result_valobj_sp->GetError().ToError(), - [&](ExpressionError &error) { details = error.GetDetails(); })); - // Find the position of the expression in the command. - std::optional<uint16_t> expr_pos; - size_t nchar = m_original_command.find(expr); - if (nchar != std::string::npos) - expr_pos = nchar + GetDebugger().GetPrompt().size(); - - if (!details.empty()) { - bool show_inline = - GetDebugger().GetShowInlineDiagnostics() && !expr.contains('\n'); - RenderDiagnosticDetails(error_stream, expr_pos, show_inline, details); + const char *error_cstr = result_valobj_sp->GetError().AsCString(); + if (error_cstr && error_cstr[0]) { + const size_t error_cstr_len = strlen(error_cstr); + const bool ends_with_newline = error_cstr[error_cstr_len - 1] == '\n'; + if (strstr(error_cstr, "error:") != error_cstr) + error_stream.PutCString("error: "); + error_stream.Write(error_cstr, error_cstr_len); + if (!ends_with_newline) + error_stream.EOL(); } else { - const char *error_cstr = result_valobj_sp->GetError().AsCString(); - llvm::StringRef error(error_cstr); - if (!error.empty()) { - if (!error.starts_with("error:")) - error_stream << "error: "; - error_stream << error; - if (!error.ends_with('\n')) - error_stream.EOL(); - } else { - error_stream << "error: unknown error\n"; - } + error_stream.PutCString("error: unknown error\n"); } + result.SetStatus(eReturnStatusFailed); } } |