Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_CloseBracket(std::string& a_TokenName)
{
if (m_State == IDENTIFIER_DECLARATION || m_State == BASE)
{
if (m_ScopeState == GLOBAL)
{
// Function
m_LastFunctionName = m_LastIdentifierBeforeBracketOpen;
if (m_Database->StructExists(m_LastDataTypeBeforeBracketOpen))
{
m_Database->AddFunction(m_LastFunctionName, m_LastDataTypeBeforeBracketOpen, m_LastFuncVarList, false);
}
else
{
m_Database->AddFunction(m_LastFunctionName, m_LastDataTypeBeforeBracketOpen, m_LastFuncVarList);
}
m_LastFuncVarList.clear();
m_LastIdentifierBeforeBracketOpen.Clear();
}
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
m_State = BASE;
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_BuiltInFunc(std::string& a_TokenName)
{
// Handle cases when a variable has the same name as a built in function
if (m_State == DATA_TYPE_DECLARATION && m_ScopeState != GLOBAL)
{
m_LastIdentifier = a_TokenName;
m_Database->AddLocalVariable(m_LastIdentifier, m_LastTypeQualifierList, m_LastFunctionName);
m_State = IDENTIFIER_DECLARATION;
}
else if (m_State == OPERATION && m_ScopeState != GLOBAL)
{
// Handle adding local variables of the same type with a comma
Database::WordMultiMap& instructionMap = m_Database->GetInstructionMap();
Database::WordMultiMap::iterator it1 = instructionMap.upper_bound(m_LastFunctionName);
it1--;
if (it1->second.m_Name == "," && m_OldState != IN_PLACE_DECLARATION && !m_Database->FunctionExists(a_TokenName) &&
!m_Database->LocalVariableExists(m_LastFunctionName, a_TokenName))
{
if (m_AddedLocalVar)
{
ResultCode res;
res = m_Database->AddLocalVariable(Key(a_TokenName), m_LastTypeQualifierList, m_LastFunctionName);
m_AddedLocalVar = true;
m_State = IDENTIFIER_DECLARATION;
if (res != SAVVY_OK)
{
m_LastError = "Could not add local variable " + a_TokenName + " inside function " + m_LastFunctionName.GetString() + ". Local variable already exists.";
return res;
}
}
}
}
AddLocalInstruction(Key(a_TokenName), true, m_LastFunctionName);
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_DataType(std::string& a_TokenName)
{
if (m_State == BASE || m_State == LANGUAGE_SPECIFIC_DECLARATION || m_State == OPERATION || m_State == DATA_TYPE_DECLARATION || m_State == IDENTIFIER_USE)
{
m_State = DATA_TYPE_DECLARATION;
m_LastDataType = a_TokenName;
m_LastTypeQualifierList.push_back(m_LastDataType);
if (m_ScopeState == GLOBAL || m_ScopeState == LAYOUT_LOCATION_DECL)
{
if (m_LastIdentifierBeforeBracketOpen.GetString() != "")
{
m_LastFuncVariable.m_QualifierList = m_LastTypeQualifierList;
}
}
AddGlobalInstruction(Key(a_TokenName), true, m_LastGlobalVarName);
}
else
{
m_LastError = "Could not parse data type " + a_TokenName + ". Possible syntax error.";
return SAVVY_SHADER_SYNTAX_ERROR;
}
AddLocalInstruction(Key(a_TokenName), true, m_LastFunctionName);
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_OpenSquareBracket(std::string& a_TokenName)
{
if (m_CurrVarType == GLOBAL_VAR || m_CurrVarType == GLOBAL_VAR_INIT)
{
if (m_ScopeState == GLOBAL)
{
if (!m_LastTypeQualifierList.empty() && m_LastIdentifierBeforeBracketOpen.IsEmpty())
{
m_Database->AddGlobalVariable(m_LastIdentifier, m_LastTypeQualifierList);
m_LastGlobalVarName = m_LastIdentifier;
m_CurrVarType = GLOBAL_VAR_INIT;
}
}
}
else if (m_CurrVarType == STRUCT_VAR)
{
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastStructName + "." + m_LastIdentifier);
m_CurrVarType = STRUCT_VAR_INIT;
}
else if (m_CurrVarType == UNIFORM_VAR)
{
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastBufferName + "." + m_LastIdentifier);
m_CurrVarType = UNIFORM_VAR_INIT;
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_CloseSquareBracket(std::string& a_TokenName)
{
if (m_CurrVarType == STRUCT_VAR_INIT)
{
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastStructName + "." + m_LastIdentifier);
}
else if (m_CurrVarType == UNIFORM_VAR_INIT)
{
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastBufferName + "." + m_LastIdentifier);
}
// Add extra instructions on function argument declaration
if (m_CurrVarType == GLOBAL_VAR || m_CurrVarType == GLOBAL_VAR_INIT)
{
if (m_ScopeState == GLOBAL)
{
if (!m_LastIdentifierBeforeBracketOpen.IsEmpty())
{
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastIdentifierBeforeBracketOpen + "." + m_LastIdentifier);
}
}
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_FloatValue(std::string& a_TokenName)
{
if (m_State != LANGUAGE_SPECIFIC_DECLARATION && m_State != BASE)
{
m_State = VALUE_DECLARATION;
}
// Float values should be saved without 'f'
if (a_TokenName.back() == 'f')
{
a_TokenName.erase(a_TokenName.size() - 1);
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
if (m_ScopeState == LAYOUT_LOCATION_DECL)
{
m_LastLayoutIndex = std::stoi(a_TokenName);
}
// Add extra instructions on function argument declaration
if (m_CurrVarType == GLOBAL_VAR || m_CurrVarType == GLOBAL_VAR_INIT)
{
if (m_ScopeState == GLOBAL)
{
if (!m_LastIdentifierBeforeBracketOpen.IsEmpty())
{
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastIdentifierBeforeBracketOpen + "." + m_LastIdentifier);
}
}
}
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_Preprocessor(std::string& a_TokenName)
{
AddLocalInstruction(Key(a_TokenName + "\n\t"), false, m_LastFunctionName);
Key tokenKey = a_TokenName;
if (tokenKey.Contains("define") || tokenKey.Contains("error"))
{
m_Database->AddDefine(tokenKey);
}
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_BoolValue(std::string& a_TokenName)
{
if (m_State != LANGUAGE_SPECIFIC_DECLARATION && m_State != BASE)
{
m_State = VALUE_DECLARATION;
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_CloseSquareBracket(std::string& a_TokenName)
{
if (m_CurrVarType == STRUCT_VAR_INIT)
{
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastStructName + "." + m_LastIdentifier);
}
else if (m_CurrVarType == UNIFORM_VAR_INIT)
{
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastBufferName + "." + m_LastIdentifier);
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_IntValue(std::string& a_TokenName)
{
if (m_State != LANGUAGE_SPECIFIC_DECLARATION && m_State != BASE)
{
m_State = VALUE_DECLARATION;
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
if (m_ScopeState == LAYOUT_LOCATION_DECL)
{
m_LastLayoutIndex = std::stoi(a_TokenName);
}
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_FloatValue(std::string& a_TokenName)
{
if (m_State != LANGUAGE_SPECIFIC_DECLARATION && m_State != BASE)
{
m_State = VALUE_DECLARATION;
}
// Float values should be saved without 'f'
if (a_TokenName.back() == 'f')
{
a_TokenName.erase(a_TokenName.size() - 1);
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
if (m_ScopeState == LAYOUT_LOCATION_DECL)
{
m_LastLayoutIndex = std::stoi(a_TokenName);
}
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_OpenBrace(std::string& a_TokenName)
{
m_State = BASE;
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
if (m_CurrVarType != GLOBAL_VAR_INIT)
{
m_LastTypeQualifierList.clear();
}
if (m_LastFunctionName.GetString() != "")
{
if (m_ScopeState == GLOBAL)
{
m_ConditionalDepth = 0;
m_ScopeState = IN_FUNCTION;
}
else
{
m_ConditionalDepth++;
m_ScopeState = CONDITIONAL;
}
}
else
{
if (m_LastDataType == "struct")
{
m_CurrVarType = STRUCT_VAR;
m_LastStructName = m_LastIdentifier;
m_Database->AddStruct(m_LastIdentifier);
}
}
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_OpenBracket(std::string& a_TokenName)
{
if (m_State == DATA_TYPE_DECLARATION)
{
m_OldState = IN_PLACE_DECLARATION;
}
else if (m_State == IDENTIFIER_DECLARATION)
{
// Must be a function
m_LastIdentifierBeforeBracketOpen = m_LastIdentifier;
m_LastDataTypeBeforeBracketOpen = m_LastDataType;
m_State = BASE;
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
if (!m_LastIdentifierBeforeBracketOpen.IsEmpty())
{
m_LastTypeQualifierList.clear();
m_LastFuncVarList.clear();
}
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_ID(std::string& a_TokenName)
{
if (m_State == DATA_TYPE_DECLARATION || m_State == LANGUAGE_SPECIFIC_DECLARATION || m_State == BASE ||
m_State == IDENTIFIER_USE || m_State == IDENTIFIER_DECLARATION)
{
if (m_State == LANGUAGE_SPECIFIC_DECLARATION)
{
// Uniform buffer declaration - save the name
if (m_CurrVarType == UNIFORM_VAR)
{
m_LastBufferName = a_TokenName;
if (m_ScopeState == LAYOUT_LOCATION_DECL)
{
m_Database->AddUniformBuffer(m_LastBufferName, m_LastLayoutIndex);
}
else
{
m_Database->AddUniformBuffer(m_LastBufferName);
}
}
else if (m_CurrVarType == ORIGINAL_SEMANTIC)
{
m_Database->AddSemantic(m_InputOrOutput, m_LastIdentifier, Key(a_TokenName));
}
else if (m_CurrVarType == GENERIC_BUFFER_VAR)
{
m_LastBufferName = a_TokenName;
if (m_ScopeState == LAYOUT_LOCATION_DECL)
{
m_Database->AddGenericBuffer(m_LastBufferName, m_LastLayoutIndex);
}
else
{
m_Database->AddGenericBuffer(m_LastBufferName);
}
}
}
else if (m_State == DATA_TYPE_DECLARATION)
{
if (m_LastFunctionName.GetString() != "" && m_OldState != IN_PLACE_DECLARATION && !m_Database->FunctionExists(a_TokenName) &&
!m_Database->LocalVariableExists(m_LastFunctionName, a_TokenName))
{
// Check if it's a user defined data type
if (m_Database->StructExists(a_TokenName))
{
m_LastDataType = a_TokenName;
}
ResultCode res;
res = m_Database->AddLocalVariable(Key(a_TokenName), m_LastTypeQualifierList, m_LastFunctionName);
m_AddedLocalVar = true;
if (res != SAVVY_OK)
{
m_LastError = "Could not add local variable " + a_TokenName + " inside function " + m_LastFunctionName.GetString() + ". Local variable already exists.";
return res;
}
}
if (m_ScopeState == GLOBAL)
{
if (m_LastIdentifierBeforeBracketOpen.GetString() != "")
{
m_LastFuncVariable.m_Name = a_TokenName;
m_LastFuncVarList.push_back(m_LastFuncVariable);
}
// Check if it's a user defined data type
if (m_Database->StructExists(a_TokenName))
{
m_LastTypeQualifierList.push_back(a_TokenName);
}
}
}
// Check if it's a user defined data type
if (m_Database->StructExists(a_TokenName))
{
m_LastTypeQualifierList.push_back(a_TokenName);
if (m_LastIdentifierBeforeBracketOpen.GetString() != "")
{
m_LastFuncVariable.m_QualifierList = m_LastTypeQualifierList;
}
m_LastDataType = a_TokenName;
m_State = DATA_TYPE_DECLARATION;
}
else
{
if (m_CurrVarType != STRUCT_VAR_INIT && m_CurrVarType != UNIFORM_VAR_INIT)
m_LastIdentifier = a_TokenName;
else
{
if (m_CurrVarType == STRUCT_VAR_INIT)
{
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastStructName + "." + m_LastIdentifier);
}
else if (m_CurrVarType == UNIFORM_VAR_INIT)
{
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastBufferName + "." + m_LastIdentifier);
}
}
if (m_CurrVarType == ORIGINAL_SEMANTIC)
{
m_CurrVarType = GLOBAL_VAR;
m_State = BASE;
}
else
{
m_State = IDENTIFIER_DECLARATION;
}
}
}
else if (m_State == OPERATION)
{
// Check if it's a user defined data type
if (m_Database->StructExists(a_TokenName))
{
if (m_LastIdentifierBeforeBracketOpen.GetString() != "")
{
m_LastTypeQualifierList.push_back(a_TokenName);
m_LastFuncVariable.m_QualifierList = m_LastTypeQualifierList;
}
m_LastDataType = a_TokenName;
m_State = DATA_TYPE_DECLARATION;
}
else if (m_ScopeState == GLOBAL && m_CurrVarType == GLOBAL_VAR_INIT)
{
Database::WordMultiMap& instructionMap = m_Database->GetInstructionMap();
Database::WordMultiMap::iterator it1 = instructionMap.upper_bound(m_LastIdentifier);
it1--;
if (it1->second.m_Name == ",")
instructionMap.erase(it1);
m_LastIdentifier = a_TokenName;
m_Database->AddGlobalVariable(m_LastIdentifier, m_LastTypeQualifierList);
m_State = IDENTIFIER_DECLARATION;
}
else
{
// Handle adding local variables of the same type with a comma
Database::WordMultiMap& instructionMap = m_Database->GetInstructionMap();
Database::WordMultiMap::iterator it1 = instructionMap.upper_bound(m_LastFunctionName);
it1--;
if (it1->second.m_Name == "," && m_OldState != IN_PLACE_DECLARATION && !m_Database->FunctionExists(a_TokenName) &&
!m_Database->LocalVariableExists(m_LastFunctionName, a_TokenName))
{
if (m_AddedLocalVar)
{
ResultCode res;
res = m_Database->AddLocalVariable(Key(a_TokenName), m_LastTypeQualifierList, m_LastFunctionName);
m_AddedLocalVar = true;
if (res != SAVVY_OK)
{
m_LastError = "Could not add local variable " + a_TokenName + " inside function " + m_LastFunctionName.GetString() + ". Local variable already exists.";
return res;
}
}
}
m_State = IDENTIFIER_USE;
}
}
else
{
m_LastError = "Could not parse identifier " + a_TokenName + ". Possible syntax error.";
return SAVVY_SHADER_SYNTAX_ERROR;
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
AddGlobalInstruction(Key(a_TokenName), false, m_LastGlobalVarName);
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_Operator(std::string& a_TokenName)
{
if (m_State == OPERATION || m_State == IDENTIFIER_DECLARATION || m_State == VALUE_DECLARATION ||
m_State == LANGUAGE_SPECIFIC_DECLARATION || m_State == IDENTIFIER_USE || m_State == DATA_TYPE_DECLARATION)
{
m_State = OPERATION;
}
else if (m_State == BASE)
{
if (m_OldState == IN_PLACE_DECLARATION)
{
m_State = OPERATION;
}
if (a_TokenName == ".")
{
m_State = OPERATION;
}
}
else
{
m_LastError = "Could not parse operator " + a_TokenName + ". Possible syntax error.";
return SAVVY_SHADER_SYNTAX_ERROR;
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
if (m_ScopeState == LAYOUT_LOCATION_DECL)
{
if (a_TokenName != "=" && a_TokenName != ",")
{
m_LastError = "Could not parse operator " + a_TokenName + ". Possible syntax error.";
return SAVVY_SHADER_SYNTAX_ERROR;
}
}
if (m_ScopeState != GLOBAL && !m_AddedLocalVar)
{
m_LastTypeQualifierList.clear();
}
else
{
if (!m_LastIdentifierBeforeBracketOpen.IsEmpty())
{
m_LastTypeQualifierList.clear();
}
}
if (m_CurrVarType == GLOBAL_VAR || m_CurrVarType == GLOBAL_VAR_INIT)
{
if (m_ScopeState == GLOBAL)
{
if (!m_LastTypeQualifierList.empty() && m_LastIdentifierBeforeBracketOpen.IsEmpty())
{
m_Database->AddGlobalVariable(m_LastIdentifier, m_LastTypeQualifierList);
m_Database->AddLocalInstruction(Key(a_TokenName), false, m_LastIdentifier);
m_LastGlobalVarName = m_LastIdentifier;
m_CurrVarType = GLOBAL_VAR_INIT;
}
}
}
if (a_TokenName == "=")
{
if (m_CurrVarType == UNIFORM_VAR)
{
m_Database->AddUniformVariable(m_LastIdentifier, m_LastTypeQualifierList, m_LastBufferName);
}
}
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_InstructionEnd(std::string& a_TokenName)
{
if (m_State == BASE || m_State == IDENTIFIER_DECLARATION || m_State == IDENTIFIER_USE ||
m_State == VALUE_DECLARATION || m_State == LANGUAGE_SPECIFIC_DECLARATION || m_State == OPERATION)
{
if (m_State == IDENTIFIER_DECLARATION && m_ScopeState != IN_FUNCTION)
{
ResultCode addVarResult = SAVVY_OK;
switch (m_CurrVarType)
{
case INPUT_VAR:
if (m_ScopeState == LAYOUT_LOCATION_DECL)
{
addVarResult = m_Database->AddInputVariable(m_LastIdentifier, m_LastTypeQualifierList, m_LastLayoutIndex);
m_ScopeState = GLOBAL;
}
else
{
addVarResult = m_Database->AddInputVariable(m_LastIdentifier, m_LastTypeQualifierList);
}
break;
case OUTPUT_VAR:
if (m_ScopeState == LAYOUT_LOCATION_DECL)
{
addVarResult = m_Database->AddOutputVariable(m_LastIdentifier, m_LastTypeQualifierList, m_LastLayoutIndex);
m_ScopeState = GLOBAL;
}
else
{
addVarResult = m_Database->AddOutputVariable(m_LastIdentifier, m_LastTypeQualifierList);
}
break;
case STRUCT_VAR_INIT:
case STRUCT_VAR:
{
addVarResult = m_Database->AddStructVariable(m_LastStructName, m_LastIdentifier, m_LastTypeQualifierList);
m_ScopeState = GLOBAL;
m_CurrVarType = STRUCT_VAR;
}
break;
case UNIFORM_VAR_INIT:
case UNIFORM_VAR:
if (m_LastDataType.Contains("sampler"))
{
if (m_ScopeState == LAYOUT_LOCATION_DECL)
{
addVarResult = m_Database->AddSampler(m_LastIdentifier, m_LastDataType, m_LastLayoutIndex);
m_ScopeState = GLOBAL;
}
else
{
addVarResult = m_Database->AddSampler(m_LastIdentifier, m_LastDataType);
m_ScopeState = GLOBAL;
}
}
else
{
if (m_ScopeState == GLOBAL || m_ScopeState == LAYOUT_LOCATION_DECL)
addVarResult = m_Database->AddUniformVariable(m_LastIdentifier, m_LastTypeQualifierList, m_LastBufferName);
}
break;
case GENERIC_BUFFER_VAR:
if (m_ScopeState == GLOBAL || m_ScopeState == LAYOUT_LOCATION_DECL)
addVarResult = m_Database->AddGenericBufferVariable(m_LastIdentifier, m_LastTypeQualifierList, m_LastBufferName);
break;
case GLOBAL_VAR:
{
// Global variable
if (m_ScopeState == GLOBAL)
{
if (!m_LastTypeQualifierList.empty())
{
m_Database->AddGlobalVariable(m_LastIdentifier, m_LastTypeQualifierList);
}
m_CurrVarType = GLOBAL_VAR;
}
}
break;
default:
break;
}
if (addVarResult != SAVVY_OK)
{
m_LastError = "Could not add variable " + m_LastIdentifier.GetString() + " to database. Variable already exists";
return addVarResult;
}
}
m_State = BASE;
m_OldState = BASE;
if (m_LastBufferName.IsEmpty() && m_LastStructName.IsEmpty())
m_CurrVarType = GLOBAL_VAR;
m_AddedLocalVar = false;
if (m_CurrVarType == GLOBAL_VAR_INIT)
{
m_CurrVarType = GLOBAL_VAR;
m_LastGlobalVarName.Clear();
}
}
else
{
m_LastError = "Could not parse semicolon. Possible syntax error.";
return SAVVY_SHADER_SYNTAX_ERROR;
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
m_LastTypeQualifierList.clear();
return SAVVY_OK;
}
Savvy::ResultCode Savvy::Internal::ParserGLSL::Parse_LangSpecific(std::string& a_TokenName)
{
if (m_State == BASE || m_State == LANGUAGE_SPECIFIC_DECLARATION || m_State == OPERATION || m_State == DATA_TYPE_DECLARATION)
{
m_State = LANGUAGE_SPECIFIC_DECLARATION;
HandleBuiltInVariable(Key(a_TokenName));
if (a_TokenName == "in")
{
if (m_ScopeState == GLOBAL || m_ScopeState == LAYOUT_LOCATION_DECL)
{
if (m_LastIdentifierBeforeBracketOpen.GetString() != "")
{
m_State = DATA_TYPE_DECLARATION;
m_LastDataType = a_TokenName;
m_LastTypeQualifierList.push_back(m_LastDataType);
m_LastFuncVariable.m_QualifierList = m_LastTypeQualifierList;
}
else
{
m_CurrVarType = INPUT_VAR;
m_InputOrOutput.SetString("in");
}
}
}
else if (a_TokenName == "out")
{
if (m_ScopeState == GLOBAL || m_ScopeState == LAYOUT_LOCATION_DECL)
{
if (m_LastIdentifierBeforeBracketOpen.GetString() != "")
{
m_State = DATA_TYPE_DECLARATION;
m_LastDataType = a_TokenName;
m_LastTypeQualifierList.push_back(m_LastDataType);
m_LastFuncVariable.m_QualifierList = m_LastTypeQualifierList;
}
else
{
m_CurrVarType = OUTPUT_VAR;
m_InputOrOutput.SetString("out");
}
}
}
else if (a_TokenName == "inout")
{
if (m_ScopeState == GLOBAL || m_ScopeState == LAYOUT_LOCATION_DECL)
{
if (m_LastIdentifierBeforeBracketOpen.GetString() != "")
{
m_State = DATA_TYPE_DECLARATION;
m_LastDataType = a_TokenName;
m_LastTypeQualifierList.push_back(m_LastDataType);
m_LastFuncVariable.m_QualifierList = m_LastTypeQualifierList;
}
}
}
else if (a_TokenName == "uniform")
{
m_CurrVarType = UNIFORM_VAR;
}
else if (a_TokenName == "buffer" && m_ScopeState == GLOBAL)
{
m_CurrVarType = GENERIC_BUFFER_VAR;
}
else if (a_TokenName == "location" || a_TokenName == "binding")
{
m_ScopeState = LAYOUT_LOCATION_DECL;
}
else if (a_TokenName == SAVVY_ORIGINAL_SEMANTIC_DECL)
{
m_CurrVarType = ORIGINAL_SEMANTIC;
}
}
else
{
m_LastError = "Could not parse language specific keyword " + a_TokenName + ". Possible syntax error.";
return SAVVY_SHADER_SYNTAX_ERROR;
}
AddLocalInstruction(Key(a_TokenName), false, m_LastFunctionName);
return SAVVY_OK;
}