Compiler::Extensions Class Reference

Collection of compiler extensions. More...

#include <extensions.hpp>

Collaboration diagram for Compiler::Extensions:

Classes
struct	Function
struct	Instruction

Public Member Functions
	Extensions ()
int	searchKeyword (const std::string &keyword) const
bool	isFunction (int keyword, ScriptReturn &returnType, ScriptArgs &argumentType, bool &explicitReference) const
bool	isInstruction (int keyword, ScriptArgs &argumentType, bool &explicitReference) const
void	registerFunction (const std::string &keyword, ScriptReturn returnType, const ScriptArgs &argumentType, int code, int codeExplicit=-1)
void	registerInstruction (const std::string &keyword, const ScriptArgs &argumentType, int code, int codeExplicit=-1)
void	generateFunctionCode (int keyword, std::vector< Interpreter::Type_Code > &code, Literals &literals, const std::string &id, int optionalArguments) const
	Append code for function to code. More...
void	generateInstructionCode (int keyword, std::vector< Interpreter::Type_Code > &code, Literals &literals, const std::string &id, int optionalArguments) const
	Append code for function to code. More...
void	listKeywords (std::vector< std::string > &keywords) const
	Append all known keywords to kaywords. More...

Private Attributes
int	mNextKeywordIndex
std::map< std::string, int >	mKeywords
std::map< int, Function >	mFunctions
std::map< int, Instruction >	mInstructions

Detailed Description

Collection of compiler extensions.

Constructor & Destructor Documentation

Compiler::Extensions::Extensions

(

)

Member Function Documentation

void Compiler::Extensions::generateFunctionCode	(	int	keyword,
		std::vector< Interpreter::Type_Code > &	code,
		Literals &	literals,
		const std::string &	id,
		int	optionalArguments
	)		const

Append code for function to code.

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void Compiler::Extensions::generateInstructionCode	(	int	keyword,
		std::vector< Interpreter::Type_Code > &	code,
		Literals &	literals,
		const std::string &	id,
		int	optionalArguments
	)		const

Append code for function to code.

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bool Compiler::Extensions::isFunction	(	int	keyword,
		ScriptReturn &	returnType,
		ScriptArgs &	argumentType,
		bool &	explicitReference
	)		const

Is this keyword registered with a function? If yes, return return and argument types.

Parameters

explicitReference

In: has explicit reference; Out: set to false, if explicit reference is not available for this instruction.

bool Compiler::Extensions::isInstruction	(	int	keyword,
		ScriptArgs &	argumentType,
		bool &	explicitReference
	)		const

Is this keyword registered with a function? If yes, return argument types.

Parameters

explicitReference

In: has explicit reference; Out: set to false, if explicit reference is not available for this instruction.

void Compiler::Extensions::listKeywords

(

std::vector< std::string > &

keywords

)

const

Append all known keywords to kaywords.

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void Compiler::Extensions::registerFunction	(	const std::string &	keyword,
		ScriptReturn	returnType,
		const ScriptArgs &	argumentType,
		int	code,
		int	codeExplicit = -1
	)

Register a custom function

• keyword must be all lower case.
• keyword must be unique
• if explicit references are not supported, segment5codeExplicit must be set to -1

  Note

  Currently only segment 3 and segment 5 opcodes are supported.

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void Compiler::Extensions::registerInstruction	(	const std::string &	keyword,
		const ScriptArgs &	argumentType,
		int	code,
		int	codeExplicit = -1
	)

Register a custom instruction

• keyword must be all lower case.
• keyword must be unique
• if explicit references are not supported, segment5codeExplicit must be set to -1

  Note

  Currently only segment 3 and segment 5 opcodes are supported.

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int Compiler::Extensions::searchKeyword

(

const std::string &

keyword

)

const

Return extension keyword code, that is assigned to the string keyword.

• if no match is found 0 is returned.
• keyword must be all lower case.

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Member Data Documentation

std::map<int, Function> Compiler::Extensions::mFunctions

private

std::map<int, Instruction> Compiler::Extensions::mInstructions

private

std::map<std::string, int> Compiler::Extensions::mKeywords

private

int Compiler::Extensions::mNextKeywordIndex

private

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The documentation for this class was generated from the following files:

• /home/travis/build/OpenMW/openmw/components/compiler/extensions.hpp
• /home/travis/build/OpenMW/openmw/components/compiler/extensions.cpp