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#pragma once
#include "../compiler-core/slang-language-server-protocol.h"
#include "../core/slang-basic.h"
#include "../core/slang-com-object.h"
#include "slang-com-helper.h"
#include "slang-com-ptr.h"
#include "slang-compiler.h"
#include "slang-doc-ast.h"
#include "slang.h"
namespace Slang
{
class Workspace;
class DocumentVersion : public RefObject
{
private:
URI uri;
String path;
String text;
List<UnownedStringSlice> lines;
List<List<Index>> mapUTF16CharIndexToCodePointIndex;
List<List<Index>> mapCodePointIndexToUTF8ByteOffset;
public:
void setPath(String filePath)
{
path = filePath;
uri = URI::fromLocalFilePath(path.getUnownedSlice());
}
URI getURI() { return uri; }
String getPath() { return path; }
const String& getText() { return text; }
void setText(const String& newText);
void ensureUTFBoundsAvailable();
ArrayView<Index> getUTF16Boundaries(Index line);
ArrayView<Index> getUTF8Boundaries(Index line);
void oneBasedUTF8LocToZeroBasedUTF16Loc(
Index inLine,
Index inCol,
int64_t& outLine,
int64_t& outCol);
void oneBasedUTF8LocToZeroBasedUTF16Loc(
Index inLine,
Index inCol,
int32_t& outLine,
int32_t& outCol);
void zeroBasedUTF16LocToOneBasedUTF8Loc(
Index inLine,
Index inCol,
Index& outLine,
Index& outCol);
// Get starting offset of line.
Index getLineStart(UnownedStringSlice line) { return line.begin() - text.begin(); }
UnownedStringSlice peekIdentifier(Index line, Index col, Index& offset)
{
offset = getOffset(line, col);
return peekIdentifier(offset);
}
UnownedStringSlice peekIdentifier(Index& offset);
// Get offset from 1-based, utf-8 encoding location.
Index getOffset(Index lineIndex, Index colIndex)
{
if (lineIndex < 0)
return -1;
if (lineIndex - 1 >= lines.getCount())
return -1;
if (lines.getCount() == 0)
return -1;
Index lineStart = lineIndex >= 1 ? getLineStart(lines[lineIndex - 1]) : 0;
auto boundaries = getUTF8Boundaries(lineIndex);
Index byteOffset = 0;
if (colIndex > 0 && colIndex <= boundaries.getCount())
byteOffset = boundaries[colIndex - 1];
return lineStart + byteOffset;
}
// Get 1-based, utf-8 encoding location from offset.
void offsetToLineCol(Index offset, Index& line, Index& col)
{
auto firstGreater = std::upper_bound(
lines.begin(),
lines.end(),
offset,
[this](Index first, UnownedStringSlice second)
{ return first < getLineStart(second); });
line = Index(firstGreater - lines.begin());
if (firstGreater == lines.begin())
{
col = offset + 1;
}
else
{
col = Index(offset - getLineStart(lines[line - 1])) + 1;
}
if (line > 0 && line <= lines.getCount())
col = UTF8Util::calcCodePointCount(lines[line - 1].head(col - 1)) + 1;
}
// Get line from 1-based index.
UnownedStringSlice getLine(Index lineIndex)
{
if (lineIndex < 0)
return UnownedStringSlice();
if (lineIndex - 1 >= lines.getCount())
return UnownedStringSlice();
if (lines.getCount() == 0)
return UnownedStringSlice();
return lineIndex > 0 ? lines[lineIndex - 1] : UnownedStringSlice();
}
// Get length of an identifier token starting at the specified position.
int getTokenLength(Index line, Index col);
int getTokenLength(Index offset);
};
struct DocumentDiagnostics
{
OrderedHashSet<LanguageServerProtocol::Diagnostic> messages;
String originalOutput;
};
enum class WorkspaceFlavor
{
Standard,
VFX,
};
class WorkspaceVersion : public RefObject
{
private:
Dictionary<String, Module*> modules;
Dictionary<ModuleDecl*, RefPtr<ASTMarkup>> markupASTs;
Dictionary<Name*, MacroDefinitionContentAssistInfo*> macroDefinitions;
void parseDiagnostics(String compilerOutput);
public:
Workspace* workspace;
WorkspaceFlavor flavor = WorkspaceFlavor::Standard;
RefPtr<Linkage> linkage;
Dictionary<String, DocumentDiagnostics> diagnostics;
ASTMarkup* getOrCreateMarkupAST(ModuleDecl* module);
Module* getOrLoadModule(String path);
void ensureWorkspaceFlavor(UnownedStringSlice path);
MacroDefinitionContentAssistInfo* tryGetMacroDefinition(UnownedStringSlice name);
};
struct OwnedPreprocessorMacroDefinition
{
String name;
String value;
};
class Workspace : public ComObject, public ISlangFileSystem
{
private:
RefPtr<WorkspaceVersion> currentVersion;
RefPtr<WorkspaceVersion> currentCompletionVersion;
RefPtr<WorkspaceVersion> createWorkspaceVersion();
public:
List<String> rootDirectories;
List<String> additionalSearchPaths;
OrderedHashSet<String> workspaceSearchPaths;
List<OwnedPreprocessorMacroDefinition> predefinedMacros;
bool searchInWorkspace = true;
slang::IGlobalSession* slangGlobalSession;
Dictionary<String, RefPtr<DocumentVersion>> openedDocuments;
DocumentVersion* openDoc(String path, String text);
void changeDoc(const String& path, LanguageServerProtocol::Range range, const String& text);
void changeDoc(DocumentVersion* doc, const String& newText);
void closeDoc(const String& path);
// Update predefined macro settings. Returns true if the new settings are different from
// existing ones.
bool updatePredefinedMacros(List<String> predefinedMacros);
bool updateSearchPaths(List<String> searchPaths);
bool updateSearchInWorkspace(bool value);
void init(List<URI> rootDirURI, slang::IGlobalSession* globalSession);
void invalidate();
WorkspaceVersion* getCurrentVersion();
WorkspaceVersion* getCurrentCompletionVersion() { return currentCompletionVersion.Ptr(); }
WorkspaceVersion* createVersionForCompletion();
public:
// Inherited via ISlangFileSystem
SLANG_COM_OBJECT_IUNKNOWN_ALL
void* getInterface(const Guid& uuid);
void* getObject(const Guid& uuid);
// ISlangCastable
virtual SLANG_NO_THROW void* SLANG_MCALL castAs(const Guid& guid) override;
// ISlangFileSystem
virtual SLANG_NO_THROW SlangResult SLANG_MCALL
loadFile(const char* path, ISlangBlob** outBlob) override;
};
} // namespace Slang
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