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extended scripting extensions to code segment 3 (instructions and functions with optional arguments)

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This commit is contained in:
Marc Zinnschlag 2010-08-22 14:00:30 +02:00
parent b3cc3073a3
commit c18e83d7c0
4 changed files with 160 additions and 80 deletions
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43
components/compiler/extensions.hpp
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@ -10,9 +10,9 @@
namespace Compiler
{
class Literals;
/// \brief Collection of compiler extensions
class Extensions
{
struct Function
@ -21,29 +21,31 @@ namespace Compiler
std::string mArguments;
int mCode;
int mCodeExplicit;
int mSegment;
};
struct Instruction
{
std::string mArguments;
int mCode;
int mCode;
int mCodeExplicit;
int mSegment;
};
int mNextKeywordIndex;
std::map<std::string, int> mKeywords;
std::map<int, Function> mFunctions;
std::map<int, Instruction> mInstructions;
public:
Extensions();
int searchKeyword (const std::string& keyword) const;
///< Return extension keyword code, that is assigned to the string \a keyword.
/// - if no match is found 0 is returned.
/// - keyword must be all lower case.
bool isFunction (int keyword, char& returnType, std::string& argumentType,
bool explicitReference) const;
///< Is this keyword registered with a function? If yes, return return and argument
@ -52,32 +54,31 @@ namespace Compiler
bool isInstruction (int keyword, std::string& argumentType,
bool explicitReference) const;
///< Is this keyword registered with a function? If yes, return argument types.
void registerFunction (const std::string& keyword, char returnType,
const std::string& argumentType, int segment5code, int segment5codeExplicit = -1);
const std::string& 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 5 opcodes are supported.
/// \note Currently only segment 3 and segment 5 opcodes are supported.
void registerInstruction (const std::string& keyword,
const std::string& argumentType, int segment5code, int segment5codeExplicit = -1);
const std::string& 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 5 opcodes are supported.
/// \note Currently only segment 3 and segment 5 opcodes are supported.
void generateFunctionCode (int keyword, std::vector<Interpreter::Type_Code>& code,
Literals& literals, const std::string& id) const;
Literals& literals, const std::string& id, int optionalArguments) const;
///< Append code for function to \a code.
void generateInstructionCode (int keyword, std::vector<Interpreter::Type_Code>& code,
Literals& literals, const std::string& id) const;
///< Append code for function to \a code.
Literals& literals, const std::string& id, int optionalArguments) const;
///< Append code for function to \a code.
};
}
#endif