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C++ BFFIterator::IsAtValidVariableNameCharacter方法代码示例

本文整理汇总了C++中BFFIterator::IsAtValidVariableNameCharacter方法的典型用法代码示例。如果您正苦于以下问题：C++ BFFIterator::IsAtValidVariableNameCharacter方法的具体用法？C++ BFFIterator::IsAtValidVariableNameCharacter怎么用？C++ BFFIterator::IsAtValidVariableNameCharacter使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BFFIterator的用法示例。


在下文中一共展示了BFFIterator::IsAtValidVariableNameCharacter方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ParseImportDirective

// ParseImportDirective
//------------------------------------------------------------------------------
bool BFFParser::ParseImportDirective( const BFFIterator & directiveStart, BFFIterator & iter )
{
	iter.SkipWhiteSpace();

	// make sure we haven't hit the end of the file
	if ( iter.IsAtEnd() )
	{
		Error::Error_1012_UnexpectedEndOfFile( directiveStart );
		return false;
	}

	// make sure this is a variable name
	if ( iter.IsAtValidVariableNameCharacter() == false )
	{
		Error::Error_1013_UnexpectedCharInVariableName( iter, nullptr );
		return false;
	}

	// find the end of the variable name
	const BFFIterator varNameStart( iter );
	iter.SkipVariableName();
	if ( iter.IsAtEnd() )
	{
		Error::Error_1012_UnexpectedEndOfFile( iter );
		return false;
	}
	const BFFIterator varNameEnd( iter );

	// sanity check it is a sensible length
	size_t varNameLen = varNameStart.GetDistTo( varNameEnd );
	if ( varNameLen > MAX_VARIABLE_NAME_LENGTH )
	{
		Error::Error_1014_VariableNameIsTooLong( iter, (uint32_t)varNameLen, (uint32_t)MAX_VARIABLE_NAME_LENGTH );
		return false;
	}
	AStackString<> varName( varNameStart.GetCurrent(), varNameEnd.GetCurrent() );

	// look for varName in system environment
	AStackString<> varValue;
	uint32_t varHash = 0;
	if ( FBuild::Get().ImportEnvironmentVar( varName.Get(), varValue, varHash ) == false )
	{
		Error::Error_1009_UnknownVariable( varNameStart, nullptr );
		return false;
	}

	// add the dot to variable name
	varName = ".";
	varName.Append( varNameStart.GetCurrent(), varNameLen );

	// import variable in current scope
	BFFStackFrame::SetVarString( varName, varValue, nullptr );
	FLOG_INFO( "Imported <string> variable '%s' with value '%s' from system environment", varName.Get(), varValue.Get() );

	return true;
}
开发者ID:ClxS，项目名称:fastbuild，代码行数:58，代码来源:BFFParser.cpp

示例2: 

// ParseNamedVariableName
//------------------------------------------------------------------------------
/*static*/ bool BFFParser::ParseVariableName( BFFIterator & iter, AString & name, bool & parentScope )
{
	// skip over the declaration symbol
	ASSERT( *iter == BFF_DECLARE_VAR_INTERNAL ||
			*iter == BFF_DECLARE_VAR_PARENT );

	parentScope = ( *iter == BFF_DECLARE_VAR_PARENT );

	const BFFIterator varNameStart = iter; // include type token in var name
	iter++;

	// make sure we haven't hit the end of the file
	if ( iter.IsAtEnd() )
	{
		Error::Error_1012_UnexpectedEndOfFile( iter );
		return false;
	}

	// make sure immediately after the symbol starts a variable name
	if ( iter.IsAtValidVariableNameCharacter() == false )
	{
		Error::Error_1013_UnexpectedCharInVariableName( iter, nullptr );
		return false;
	}

	// find the end of the variable name
	iter.SkipVariableName();
	const BFFIterator varNameEnd = iter;

	// sanity check it is a sensible length
	size_t varNameLen = varNameStart.GetDistTo( varNameEnd );
	if ( varNameLen > MAX_VARIABLE_NAME_LENGTH )
	{
		Error::Error_1014_VariableNameIsTooLong( iter, (uint32_t)varNameLen, (uint32_t)MAX_VARIABLE_NAME_LENGTH );
		return false;
	}

	// store variable name
	name.Assign( varNameStart.GetCurrent(), varNameEnd.GetCurrent() );

	if ( parentScope )
	{
		// exchange '^' with '.'
		ASSERT( BFF_DECLARE_VAR_PARENT == name[0] );
		name[0] = BFF_DECLARE_VAR_INTERNAL;
	}

	return true;
}
开发者ID:jujis008，项目名称:fastbuild，代码行数:51，代码来源:BFFParser.cpp

示例3: ParseNamedVariableDeclaration

// ParseNamedVariableDeclaration
//------------------------------------------------------------------------------
bool BFFParser::ParseNamedVariableDeclaration( BFFIterator & iter )
{
	// skip over the declaration symbol
	ASSERT( *iter == BFF_DECLARE_VAR_INTERNAL );
	m_LastVarNameStart = iter; // include type token in var name
	iter++;

	// make sure we haven't hit the end of the file
	if ( iter.IsAtEnd() )
	{
		Error::Error_1012_UnexpectedEndOfFile( iter );
		return false;
	}

	// make sure immediately after the symbol starts a variable name
	if ( iter.IsAtValidVariableNameCharacter() == false )
	{
		Error::Error_1013_UnexpectedCharInVariableName( iter, nullptr );
		return false;
	}

	// find the end of the variable name
	iter.SkipVariableName();
	if ( iter.IsAtEnd() )
	{
		Error::Error_1012_UnexpectedEndOfFile( iter );
		return false;
	}
	m_LastVarNameEnd = iter;

	// sanity check it is a sensible length
	size_t varNameLen = m_LastVarNameStart.GetDistTo( m_LastVarNameEnd );
	if ( varNameLen > MAX_VARIABLE_NAME_LENGTH )
	{
		Error::Error_1014_VariableNameIsTooLong( iter, (uint32_t)varNameLen, (uint32_t)MAX_VARIABLE_NAME_LENGTH );
		return false;
	}

	// find the start of the assignment
	iter.SkipWhiteSpaceAndComments();
	if ( iter.IsAtEnd() )
	{
		Error::Error_1012_UnexpectedEndOfFile( iter );
		return false;
	}

	return ParseVariableDeclaration( iter, m_LastVarNameStart, m_LastVarNameEnd );
}
开发者ID:hilbertdu，项目名称:fastbuild，代码行数:50，代码来源:BFFParser.cpp

示例4: varNameIter

// ParseNamedVariableName
//------------------------------------------------------------------------------
/*static*/ bool BFFParser::ParseVariableName( BFFIterator & iter, AString & name, bool & parentScope )
{
	// skip over the declaration symbol
	ASSERT( *iter == BFF_DECLARE_VAR_INTERNAL ||
			*iter == BFF_DECLARE_VAR_PARENT );

	parentScope = ( *iter == BFF_DECLARE_VAR_PARENT );

	const BFFIterator varNameStart = iter; // include type token in var name
	iter++;

	// make sure we haven't hit the end of the file
	if ( iter.IsAtEnd() )
	{
		Error::Error_1012_UnexpectedEndOfFile( iter );
		return false;
	}

	if ( *iter == '\'' || *iter == '"' )
	{
		// parse the string
		const BFFIterator openToken = iter;
		iter.SkipString( *openToken );
		if ( *iter != *openToken )
		{
			Error::Error_1002_MatchingClosingTokenNotFound( openToken, nullptr, *openToken );
			return false;
		}
		BFFIterator stringStart = openToken;
		stringStart++;

		// unescape and subsitute embedded variables
		AStackString< 256 > value;
		if ( PerformVariableSubstitutions( stringStart, iter, value ) == false )
		{
			return false;
		}
		iter++; // skip close token

		BFFIterator varNameIter( value.Get(), value.GetLength(), iter.GetFileName().Get(), iter.GetFileTimeStamp() );

		// sanity check it is a sensible length
		if ( value.GetLength() + 1/* '.' will be added */  > MAX_VARIABLE_NAME_LENGTH )
		{
			Error::Error_1014_VariableNameIsTooLong( varNameIter, (uint32_t)value.GetLength(), (uint32_t)MAX_VARIABLE_NAME_LENGTH );
			return false;
		}

		// sanity check it is a valid variable name
		while ( varNameIter.IsAtEnd() == false )
		{
			if ( varNameIter.IsAtValidVariableNameCharacter() == false )
			{
				Error::Error_1013_UnexpectedCharInVariableName( varNameIter, nullptr );
				return false;
			}
			varNameIter++;
		}

		// append '.' to variable name
		name = ".";
		name.Append( value );
	}
	else
	{
		// make sure immediately after the symbol starts a variable name
		if ( iter.IsAtValidVariableNameCharacter() == false )
		{
			Error::Error_1013_UnexpectedCharInVariableName( iter, nullptr );
			return false;
		}

		// find the end of the variable name
		iter.SkipVariableName();
		const BFFIterator varNameEnd = iter;

		// sanity check it is a sensible length
		size_t varNameLen = varNameStart.GetDistTo( varNameEnd );
		if ( varNameLen > MAX_VARIABLE_NAME_LENGTH )
		{
			Error::Error_1014_VariableNameIsTooLong( iter, (uint32_t)varNameLen, (uint32_t)MAX_VARIABLE_NAME_LENGTH );
			return false;
		}

		// store variable name
		name.Assign( varNameStart.GetCurrent(), varNameEnd.GetCurrent() );
	}

	ASSERT( name.GetLength() > 0 );
	if ( parentScope )
	{
		// exchange '^' with '.'
		ASSERT( BFF_DECLARE_VAR_PARENT == name[0] );
		name[0] = BFF_DECLARE_VAR_INTERNAL;
	}

	return true;
}
开发者ID:ClxS，项目名称:fastbuild，代码行数:100，代码来源:BFFParser.cpp

示例5: ParseVariableDeclaration


//.........这里部分代码省略.........
		{
			iter++;
			if ( ( startBoolValue.GetDistTo( iter ) <= 5 ) )
			{
				AStackString<8> value( startBoolValue.GetCurrent(), iter.GetCurrent() );
				if ( value == "true" )
				{
					if ( concatenation )
					{
						Error::Error_1027_CannotConcatenate( operatorIter, varName, BFFVariable::VAR_ANY, BFFVariable::VAR_BOOL );
						return false;
					}
					return StoreVariableBool( varNameStart.GetCurrent(), varNameEnd.GetCurrent(), true );
				}
				else if ( value == "false" )
				{
					if ( concatenation )
					{
						Error::Error_1027_CannotConcatenate( operatorIter, varName, BFFVariable::VAR_ANY, BFFVariable::VAR_BOOL );
						return false;
					}
					return StoreVariableBool( m_LastVarNameStart.GetCurrent(), m_LastVarNameEnd.GetCurrent(), false );
				}
			}
		}

		// not a valid bool value
	}
	else if ( *iter == '.' )
	{
		// assignment of one variable to another
		BFFIterator varNameStartSrc( iter );
		iter++; // skip '.'
		if ( iter.IsAtValidVariableNameCharacter() == false )
		{
			Error::Error_1013_UnexpectedCharInVariableName( iter, nullptr );
			return false;
		}
		iter.SkipVariableName();
		return StoreVariableToVariable( varNameStart.GetCurrent(), varNameEnd.GetCurrent(), 
										varNameStartSrc, iter, operatorIter );
	}
	
	if ( !ok )
	{
		Error::Error_1017_UnexepectedCharInVariableValue( iter );
		return false;
	}

	bool result = false;

	// find closing token
	BFFIterator openTokenPos( iter );
	BFFIterator openTokenForError( iter ); // take note of opening token pos for possible error
	openTokenPos++; // more start iter to first char of value
	if ( openToken == BFF_SCOPE_OPEN )
	{
		if ( iter.ParseToMatchingBrace( openToken, closeToken ) )
		{
			result = StoreVariableArray( varNameStart.GetCurrent(), varNameEnd.GetCurrent(), 
										 openTokenPos, iter, operatorIter );
		}
		else
		{
			Error::Error_1002_MatchingClosingTokenNotFound( openTokenForError, nullptr, closeToken );
		}
开发者ID:hilbertdu，项目名称:fastbuild，代码行数:67，代码来源:BFFParser.cpp


注：本文中的BFFIterator::IsAtValidVariableNameCharacter方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。