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// slang-translation-unit.cpp
#include "slang-translation-unit.h"
#include "slang-compiler.h"
namespace Slang
{
//
// TranslationUnitRequest
//
TranslationUnitRequest::TranslationUnitRequest(FrontEndCompileRequest* compileRequest)
: compileRequest(compileRequest)
{
module = new Module(compileRequest->getLinkage());
}
TranslationUnitRequest::TranslationUnitRequest(FrontEndCompileRequest* compileRequest, Module* m)
: compileRequest(compileRequest), module(m), isChecked(true)
{
moduleName = getNamePool()->getName(m->getName());
}
Session* TranslationUnitRequest::getSession()
{
return compileRequest->getSession();
}
NamePool* TranslationUnitRequest::getNamePool()
{
return compileRequest->getNamePool();
}
SourceManager* TranslationUnitRequest::getSourceManager()
{
return compileRequest->getSourceManager();
}
Scope* TranslationUnitRequest::getLanguageScope()
{
Scope* languageScope = nullptr;
switch (sourceLanguage)
{
case SourceLanguage::HLSL:
languageScope = getSession()->hlslLanguageScope;
break;
case SourceLanguage::GLSL:
languageScope = getSession()->glslLanguageScope;
break;
case SourceLanguage::Slang:
default:
languageScope = getSession()->slangLanguageScope;
break;
}
return languageScope;
}
Dictionary<String, String> TranslationUnitRequest::getCombinedPreprocessorDefinitions()
{
Dictionary<String, String> combinedPreprocessorDefinitions;
for (const auto& def : preprocessorDefinitions)
combinedPreprocessorDefinitions.addIfNotExists(def);
for (const auto& def : compileRequest->optionSet.getArray(CompilerOptionName::MacroDefine))
combinedPreprocessorDefinitions.addIfNotExists(def.stringValue, def.stringValue2);
// Define standard macros, if not already defined. This style assumes using `#if __SOME_VAR`
// style, as in
//
// ```
// #if __SLANG_COMPILER__
// ```
//
// This choice is made because slang outputs a warning on using a variable in an #if if not
// defined
//
// Of course this means using #ifndef/#ifdef/defined() is probably not appropraite with thes
// variables.
{
// Used to identify level of HLSL language compatibility
combinedPreprocessorDefinitions.addIfNotExists("__HLSL_VERSION", "2018");
// Indicates this is being compiled by the slang *compiler*
combinedPreprocessorDefinitions.addIfNotExists("__SLANG_COMPILER__", "1");
// Set macro depending on source type
switch (sourceLanguage)
{
case SourceLanguage::HLSL:
// Used to indicate compiled as HLSL language
combinedPreprocessorDefinitions.addIfNotExists("__HLSL__", "1");
break;
case SourceLanguage::Slang:
// Used to indicate compiled as Slang language
combinedPreprocessorDefinitions.addIfNotExists("__SLANG__", "1");
break;
default:
break;
}
// If not set, define as 0.
combinedPreprocessorDefinitions.addIfNotExists("__HLSL__", "0");
combinedPreprocessorDefinitions.addIfNotExists("__SLANG__", "0");
}
return combinedPreprocessorDefinitions;
}
void TranslationUnitRequest::addSourceArtifact(IArtifact* sourceArtifact)
{
SLANG_ASSERT(sourceArtifact);
m_sourceArtifacts.add(ComPtr<IArtifact>(sourceArtifact));
}
void TranslationUnitRequest::addSource(IArtifact* sourceArtifact, SourceFile* sourceFile)
{
SLANG_ASSERT(sourceArtifact && sourceFile);
// Must be in sync!
SLANG_ASSERT(m_sourceFiles.getCount() == m_sourceArtifacts.getCount());
addSourceArtifact(sourceArtifact);
_addSourceFile(sourceFile);
}
void TranslationUnitRequest::addIncludedSourceFileIfNotExist(SourceFile* sourceFile)
{
if (m_includedFileSet.contains(sourceFile))
return;
sourceFile->setIncludedFile();
m_sourceFiles.add(sourceFile);
m_includedFileSet.add(sourceFile);
}
PathInfo TranslationUnitRequest::_findSourcePathInfo(IArtifact* artifact)
{
auto pathRep = findRepresentation<IPathArtifactRepresentation>(artifact);
if (pathRep && pathRep->getPathType() == SLANG_PATH_TYPE_FILE)
{
// See if we have a unique identity set with the path
if (const auto uniqueIdentity = pathRep->getUniqueIdentity())
{
return PathInfo::makeNormal(pathRep->getPath(), uniqueIdentity);
}
// If we couldn't get a unique identity, just use the path
return PathInfo::makePath(pathRep->getPath());
}
// If there isn't a path, we can try with the name
const char* name = artifact->getName();
if (name && name[0] != 0)
{
return PathInfo::makeFromString(name);
}
return PathInfo::makeUnknown();
}
SlangResult TranslationUnitRequest::requireSourceFiles()
{
SLANG_ASSERT(m_sourceFiles.getCount() <= m_sourceArtifacts.getCount());
if (m_sourceFiles.getCount() == m_sourceArtifacts.getCount())
{
return SLANG_OK;
}
auto sink = compileRequest->getSink();
SourceManager* sourceManager = compileRequest->getSourceManager();
for (Index i = m_sourceFiles.getCount(); i < m_sourceArtifacts.getCount(); ++i)
{
IArtifact* artifact = m_sourceArtifacts[i];
const PathInfo pathInfo = _findSourcePathInfo(artifact);
SourceFile* sourceFile = nullptr;
ComPtr<ISlangBlob> blob;
// If we have a unique identity see if we have it already
if (pathInfo.hasUniqueIdentity())
{
// See if this an already loaded source file
sourceFile = sourceManager->findSourceFileRecursively(pathInfo.uniqueIdentity);
// If we have a sourceFile see if it has a blob
if (sourceFile)
{
blob = sourceFile->getContentBlob();
}
}
// If we *don't* have a blob try and get a blob from the artifact
if (!blob)
{
const SlangResult res = artifact->loadBlob(ArtifactKeep::Yes, blob.writeRef());
if (SLANG_FAILED(res))
{
// Report couldn't load
sink->diagnose(SourceLoc(), Diagnostics::cannotOpenFile, pathInfo.getName());
return res;
}
}
// If we don't have a blob on the artifact we can now add the one we have
if (!findRepresentation<ISlangBlob>(artifact))
{
artifact->addRepresentationUnknown(blob);
}
// If we have a sourceFile check if it has contents, and set the blob if doesn't
if (sourceFile)
{
if (!sourceFile->getContentBlob())
{
sourceFile->setContents(blob);
}
}
else
{
// Create a new source file, using the pathInfo and blob
sourceFile = sourceManager->createSourceFileWithBlob(pathInfo, blob);
}
auto uniqueIdentity = pathInfo.getMostUniqueIdentity();
if (uniqueIdentity.getLength())
sourceManager->addSourceFileIfNotExist(uniqueIdentity, sourceFile);
// Finally add the source file
_addSourceFile(sourceFile);
}
return SLANG_OK;
}
void TranslationUnitRequest::_addSourceFile(SourceFile* sourceFile)
{
m_sourceFiles.add(sourceFile);
getModule()->addFileDependency(sourceFile);
getModule()->getIncludedSourceFileMap().add(sourceFile, nullptr);
}
List<SourceFile*> const& TranslationUnitRequest::getSourceFiles()
{
return m_sourceFiles;
}
} // namespace Slang
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