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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
ecda309c12
Verified under LLDB these still appear callable; I'm expecting GDB to be the same. My concern about debugger calls to static functions was just wrong.
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// This library contains functions to assist dumping objects to stderr during
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// interactive debugging. Functions named `Dump` are intended for direct use by
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// developers, and should use overload resolution to determine which will be
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// invoked. The debugger should do namespace resolution automatically. For
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// example:
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//
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// - lldb: `expr Dump(context, id)`
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// - gdb: `call Dump(context, id)`
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//
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// The `DumpNoNewline` functions are helpers that exclude a trailing newline.
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// They're intended to be composed by `Dump` function implementations.
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#ifndef NDEBUG
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#include "toolchain/lex/dump.h"
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#include "common/check.h"
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#include "common/ostream.h"
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#include "toolchain/check/context.h"
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#include "toolchain/lex/tokenized_buffer.h"
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#include "toolchain/parse/dump.h"
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#include "toolchain/parse/tree.h"
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#include "toolchain/sem_ir/file.h"
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namespace Carbon::Check {
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static auto DumpNoNewline(const Context& context, SemIR::LocId loc_id) -> void {
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if (!loc_id.is_valid()) {
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llvm::errs() << "LocId(invalid)";
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return;
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}
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if (loc_id.is_node_id()) {
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auto token = context.parse_tree().node_token(loc_id.node_id());
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auto line = context.tokens().GetLineNumber(token);
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auto col = context.tokens().GetColumnNumber(token);
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const char* implicit = loc_id.is_implicit() ? " implicit" : "";
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llvm::errs() << "LocId(";
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llvm::errs().write_escaped(context.sem_ir().filename());
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llvm::errs() << ":" << line << ":" << col << implicit << ")";
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} else {
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CARBON_CHECK(loc_id.is_import_ir_inst_id());
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auto import_ir_id = context.sem_ir()
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.import_ir_insts()
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.Get(loc_id.import_ir_inst_id())
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.ir_id;
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const auto* import_file =
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context.sem_ir().import_irs().Get(import_ir_id).sem_ir;
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llvm::errs() << "LocId(import from \"";
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llvm::errs().write_escaped(import_file->filename());
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llvm::errs() << "\")";
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}
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}
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LLVM_DUMP_METHOD static auto Dump(const Context& context, Lex::TokenIndex token)
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-> void {
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Parse::Dump(context.parse_tree(), token);
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}
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LLVM_DUMP_METHOD static auto Dump(const Context& context, Parse::NodeId node_id)
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-> void {
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Parse::Dump(context.parse_tree(), node_id);
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}
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LLVM_DUMP_METHOD static auto Dump(const Context& context, SemIR::LocId loc_id)
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-> void {
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DumpNoNewline(context, loc_id);
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llvm::errs() << '\n';
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}
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} // namespace Carbon::Check
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#endif // NDEBUG
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