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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef RCC_MIR_EMBEDDEDIR_H
#define RCC_MIR_EMBEDDEDIR_H
#include "rcc/Support/TextDiagnostic.h"
#include <cstddef>
#include <functional>
#include <optional>
#include <span>
#include <string>
#include <string_view>
#include <unordered_map>
#include <utility>
#include <vector>
namespace rcc::mir {
class EmbeddedIRIndexer;
struct EmbeddedIRReference final {
std::string Name;
TextRange Range;
};
class EmbeddedIRFunction final {
public:
[[nodiscard]] std::string_view name() const noexcept {
return Name;
}
[[nodiscard]] const TextRange &nameRange() const noexcept {
return NameRange;
}
[[nodiscard]] bool isDefinition() const noexcept {
return IsDefinition;
}
[[nodiscard]] std::span<const EmbeddedIRReference> blocks() const noexcept {
return Blocks;
}
[[nodiscard]] std::span<const EmbeddedIRReference> allocas() const noexcept {
return Allocas;
}
[[nodiscard]] const EmbeddedIRReference *block(std::string_view QueryName) const noexcept;
[[nodiscard]] const EmbeddedIRReference *alloca(std::string_view QueryName) const noexcept;
private:
struct StringHash final {
using is_transparent = void; // NOLINT(readability-identifier-naming)
[[nodiscard]] std::size_t operator()(std::string_view Value) const noexcept {
return std::hash<std::string_view>{}(Value);
}
};
std::string Name;
TextRange NameRange;
bool IsDefinition = false;
std::vector<EmbeddedIRReference> Blocks;
std::vector<EmbeddedIRReference> Allocas;
std::unordered_map<std::string, std::size_t, StringHash, std::equal_to<>> BlockNameToIndex;
std::unordered_map<std::string, std::size_t, StringHash, std::equal_to<>> AllocaNameToIndex;
friend class EmbeddedIRIndexer;
};
class EmbeddedIRReferenceIndex final {
public:
EmbeddedIRReferenceIndex(const EmbeddedIRReferenceIndex &) = delete;
EmbeddedIRReferenceIndex &operator=(const EmbeddedIRReferenceIndex &) = delete;
EmbeddedIRReferenceIndex(EmbeddedIRReferenceIndex &&) noexcept = default;
EmbeddedIRReferenceIndex &operator=(EmbeddedIRReferenceIndex &&) noexcept = default;
~EmbeddedIRReferenceIndex() = default;
[[nodiscard]] const TextSource &source() const noexcept {
return Source;
}
[[nodiscard]] std::optional<std::string_view> targetTriple() const noexcept {
if (!TargetTriple)
return std::nullopt;
return *TargetTriple;
}
[[nodiscard]] std::optional<std::string_view> dataLayout() const noexcept {
if (!DataLayout)
return std::nullopt;
return *DataLayout;
}
[[nodiscard]] std::span<const EmbeddedIRFunction> functions() const noexcept {
return Functions;
}
[[nodiscard]] std::span<const EmbeddedIRReference> globalObjects() const noexcept {
return GlobalObjects;
}
[[nodiscard]] std::span<const EmbeddedIRReference> metadataDefinitions() const noexcept {
return MetadataDefinitions;
}
[[nodiscard]] const EmbeddedIRFunction *function(std::string_view Name) const noexcept;
[[nodiscard]] const EmbeddedIRReference *globalObject(std::string_view Name) const noexcept;
[[nodiscard]] const EmbeddedIRReference *metadata(std::string_view Name) const noexcept;
[[nodiscard]] bool hasGlobalValue(std::string_view Name) const noexcept {
return function(Name) != nullptr || globalObject(Name) != nullptr;
}
private:
struct StringHash final {
using is_transparent = void; // NOLINT(readability-identifier-naming)
[[nodiscard]] std::size_t operator()(std::string_view Value) const noexcept {
return std::hash<std::string_view>{}(Value);
}
};
EmbeddedIRReferenceIndex(std::string SourceName, std::string SourceText)
: Source(std::move(SourceName), std::move(SourceText)) {}
TextSource Source;
std::optional<std::string> TargetTriple;
std::optional<TextRange> TargetTripleRange;
std::optional<std::string> DataLayout;
std::optional<TextRange> DataLayoutRange;
std::vector<EmbeddedIRFunction> Functions;
std::vector<EmbeddedIRReference> GlobalObjects;
std::vector<EmbeddedIRReference> MetadataDefinitions;
std::unordered_map<std::string, std::size_t, StringHash, std::equal_to<>> FunctionNameToIndex;
std::unordered_map<std::string, std::size_t, StringHash, std::equal_to<>> GlobalNameToIndex;
std::unordered_map<std::string, std::size_t, StringHash, std::equal_to<>> MetadataNameToIndex;
friend class EmbeddedIRIndexer;
};
class EmbeddedIRIndexResult final {
public:
EmbeddedIRIndexResult(const EmbeddedIRIndexResult &) = delete;
EmbeddedIRIndexResult &operator=(const EmbeddedIRIndexResult &) = delete;
EmbeddedIRIndexResult(EmbeddedIRIndexResult &&) noexcept = default;
EmbeddedIRIndexResult &operator=(EmbeddedIRIndexResult &&) noexcept = default;
~EmbeddedIRIndexResult() = default;
[[nodiscard]] bool succeeded() const noexcept {
return Index.has_value() && Diagnostics.empty();
}
[[nodiscard]] const EmbeddedIRReferenceIndex *index() const noexcept {
return Index.has_value() ? Index.operator->() : nullptr;
}
[[nodiscard]] std::span<const TextDiagnostic> diagnostics() const noexcept {
return Diagnostics;
}
private:
EmbeddedIRIndexResult() = default;
std::optional<EmbeddedIRReferenceIndex> Index;
std::vector<TextDiagnostic> Diagnostics;
friend class EmbeddedIRIndexer;
};
[[nodiscard]] EmbeddedIRIndexResult indexEmbeddedIR(std::string SourceName, std::string SourceText);
} // namespace rcc::mir
#endif // RCC_MIR_EMBEDDEDIR_H
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