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/* |
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* Copyright (c) 2014-2019 Christian Schoenebeck |
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* |
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* http://www.linuxsampler.org |
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* |
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* This file is part of LinuxSampler and released under the same terms. |
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* See README file for details. |
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*/ |
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#ifndef LS_COREVMFUNCTIONS_H |
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#define LS_COREVMFUNCTIONS_H |
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#include "../common/global.h" |
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#include "common.h" |
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namespace LinuxSampler { |
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class ScriptVM; |
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/////////////////////////////////////////////////////////////////////////// |
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// convenience base classes for built-in script functions ... |
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/** |
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* An instance of this class is returned by built-in function implementations |
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* which do not return a function return value. |
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*/ |
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class VMEmptyResult FINAL : public VMFnResult, public VMExpr { |
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public: |
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StmtFlags_t flags; ///< general completion status (i.e. success or failure) of the function call |
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VMEmptyResult() : flags(STMT_SUCCESS) {} |
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ExprType_t exprType() const OVERRIDE { return EMPTY_EXPR; } |
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VMExpr* resultValue() OVERRIDE { return this; } |
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StmtFlags_t resultFlags() OVERRIDE { return flags; } |
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bool isConstExpr() const OVERRIDE { return false; } |
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}; |
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/** |
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* An instance of this class is returned by built-in function implementations |
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* which return an integer value as function return value. |
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*/ |
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class VMIntResult FINAL : public VMFnResult, public VMIntExpr { |
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public: |
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StmtFlags_t flags; ///< general completion status (i.e. success or failure) of the function call |
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vmint value; ///< result value of the function call |
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vmfloat unitPrefixFactor; ///< unit factor of result value of the function call |
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VMIntResult() : flags(STMT_SUCCESS), value(0), unitPrefixFactor(VM_NO_FACTOR) {} |
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vmint evalInt() OVERRIDE { return value; } |
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VMExpr* resultValue() OVERRIDE { return this; } |
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StmtFlags_t resultFlags() OVERRIDE { return flags; } |
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bool isConstExpr() const OVERRIDE { return false; } |
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vmfloat unitFactor() const OVERRIDE { return unitPrefixFactor; } |
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StdUnit_t unitType() const OVERRIDE { return VM_NO_UNIT; } // actually never called, VMFunction::returnUnitType() is always used instead |
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bool isFinal() const OVERRIDE { return false; } // actually never called, VMFunction::returnsFinal() is always used instead |
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}; |
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/** |
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* An instance of this class is returned by built-in function implementations |
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* which return a real number (floating point) value as function return value. |
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*/ |
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class VMRealResult FINAL : public VMFnResult, public VMRealExpr { |
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public: |
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StmtFlags_t flags; ///< general completion status (i.e. success or failure) of the function call |
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vmfloat value; ///< result value of the function call |
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vmfloat unitPrefixFactor; ///< unit factor of result value of the function call |
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VMRealResult() : flags(STMT_SUCCESS), value(0), unitPrefixFactor(VM_NO_FACTOR) {} |
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vmfloat evalReal() OVERRIDE { return value; } |
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VMExpr* resultValue() OVERRIDE { return this; } |
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StmtFlags_t resultFlags() OVERRIDE { return flags; } |
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bool isConstExpr() const OVERRIDE { return false; } |
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vmfloat unitFactor() const OVERRIDE { return unitPrefixFactor; } |
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StdUnit_t unitType() const OVERRIDE { return VM_NO_UNIT; } // actually never called, VMFunction::returnUnitType() is always used instead |
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bool isFinal() const OVERRIDE { return false; } // actually never called, VMFunction::returnsFinal() is always used instead |
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}; |
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/** |
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* An instance of this class is returned by built-in function implementations |
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* which return a string value as function return value. |
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*/ |
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class VMStringResult FINAL : public VMFnResult, public VMStringExpr { |
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public: |
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StmtFlags_t flags; ///< general completion status (i.e. success or failure) of the function call |
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String value; ///< result value of the function call |
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VMStringResult() : flags(STMT_SUCCESS) {} |
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String evalStr() OVERRIDE { return value; } |
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VMExpr* resultValue() OVERRIDE { return this; } |
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StmtFlags_t resultFlags() OVERRIDE { return flags; } |
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bool isConstExpr() const OVERRIDE { return false; } |
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}; |
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/** |
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* Abstract base class for built-in script functions which do not return any |
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* function return value (void). |
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*/ |
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class VMEmptyResultFunction : public VMFunction { |
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protected: |
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virtual ~VMEmptyResultFunction() {} |
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ExprType_t returnType(VMFnArgs* args) OVERRIDE { return EMPTY_EXPR; } |
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StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE { return VM_NO_UNIT; } |
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bool returnsFinal(VMFnArgs* args) OVERRIDE { return false; } |
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VMFnResult* errorResult(); |
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VMFnResult* successResult(); |
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bool modifiesArg(vmint iArg) const OVERRIDE { return false; } |
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protected: |
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VMEmptyResult result; |
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}; |
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struct VMIntFnResDef { |
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vmint value = 0; //NOTE: sequence matters! Since this is usually initialized with VMIntExpr::evalInt() it should be before member unitFactor, since the latter is usually initialized with VMIntExpr::unitFactor() which does not evaluate the expression. |
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vmfloat unitFactor = VM_NO_FACTOR; |
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}; |
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struct VMRealFnResDef { |
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vmfloat value = vmfloat(0); //NOTE: sequence matters! Since this is usually initialized with VMRealExpr::evalReal() it should be before member unitFactor, since the latter is usually initialized with VMRealExpr::unitFactor() which does not evaluate the expression. |
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vmfloat unitFactor = VM_NO_FACTOR; |
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}; |
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/** |
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* Abstract base class for built-in script functions which return an integer |
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* (scalar) as their function return value. |
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*/ |
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class VMIntResultFunction : public VMFunction { |
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protected: |
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virtual ~VMIntResultFunction() {} |
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ExprType_t returnType(VMFnArgs* args) OVERRIDE { return INT_EXPR; } |
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VMFnResult* errorResult(vmint i = 0); |
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VMFnResult* errorResult(VMIntFnResDef res); |
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VMFnResult* successResult(vmint i = 0); |
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VMFnResult* successResult(VMIntFnResDef res); |
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bool modifiesArg(vmint iArg) const OVERRIDE { return false; } |
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protected: |
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VMIntResult result; |
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}; |
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/** |
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* Abstract base class for built-in script functions which return a real number |
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* (floating point scalar) as their function return value. |
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*/ |
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class VMRealResultFunction : public VMFunction { |
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protected: |
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virtual ~VMRealResultFunction() {} |
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ExprType_t returnType(VMFnArgs* args) OVERRIDE { return REAL_EXPR; } |
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VMFnResult* errorResult(vmfloat f = 0); |
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VMFnResult* errorResult(VMRealFnResDef res); |
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VMFnResult* successResult(vmfloat f = 0); |
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VMFnResult* successResult(VMRealFnResDef res); |
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bool modifiesArg(vmint iArg) const OVERRIDE { return false; } |
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protected: |
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VMRealResult result; |
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}; |
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/** |
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* Abstract base class for built-in script functions which return a string as |
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* their function return value. |
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*/ |
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class VMStringResultFunction : public VMFunction { |
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protected: |
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virtual ~VMStringResultFunction() {} |
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ExprType_t returnType(VMFnArgs* args) OVERRIDE { return STRING_EXPR; } |
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VMFnResult* errorResult(const String& s = ""); |
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VMFnResult* successResult(const String& s = ""); |
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bool modifiesArg(vmint iArg) const OVERRIDE { return false; } |
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protected: |
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VMStringResult result; |
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}; |
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/** |
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* Abstract base class for built-in script functions which either return an |
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* integer or a real number (floating point scalar) as their function return |
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* value. The actual return type is determined at parse time once after |
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* potential arguments were associated with the respective function call. |
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*/ |
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class VMNumberResultFunction : public VMFunction { |
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protected: |
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virtual ~VMNumberResultFunction() {} |
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VMFnResult* errorResult(vmint i); |
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VMFnResult* errorResult(vmfloat f); |
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VMFnResult* successResult(vmint i); |
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VMFnResult* successResult(vmfloat f); |
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VMFnResult* errorIntResult(VMIntFnResDef res); |
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VMFnResult* errorRealResult(VMRealFnResDef res); |
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VMFnResult* successIntResult(VMIntFnResDef res); |
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VMFnResult* successRealResult(VMRealFnResDef res); |
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bool modifiesArg(vmint iArg) const OVERRIDE { return false; } |
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protected: |
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VMIntResult intResult; |
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VMRealResult realResult; |
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}; |
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/////////////////////////////////////////////////////////////////////////// |
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// implementations of core built-in script functions ... |
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/** |
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* Implements the built-in message() script function. |
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*/ |
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class CoreVMFunction_message FINAL : public VMEmptyResultFunction { |
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public: |
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vmint minRequiredArgs() const OVERRIDE { return 1; } |
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vmint maxAllowedArgs() const OVERRIDE { return 1; } |
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bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
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VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
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}; |
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/** |
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* Implements the built-in exit() script function. |
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*/ |
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class CoreVMFunction_exit FINAL : public VMEmptyResultFunction { |
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public: |
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CoreVMFunction_exit(ScriptVM* vm) : vm(vm) {} |
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vmint minRequiredArgs() const OVERRIDE { return 0; } |
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vmint maxAllowedArgs() const OVERRIDE; |
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bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
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bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE; |
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bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE; |
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bool acceptsArgFinal(vmint iArg) const OVERRIDE; |
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VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
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protected: |
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ScriptVM* vm; |
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}; |
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/** |
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* Implements the built-in wait() script function. |
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*/ |
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class CoreVMFunction_wait : public VMEmptyResultFunction { |
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public: |
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CoreVMFunction_wait(ScriptVM* vm) : vm(vm) {} |
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vmint minRequiredArgs() const OVERRIDE { return 1; } |
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vmint maxAllowedArgs() const OVERRIDE { return 1; } |
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bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
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bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE; |
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bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE; |
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VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
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protected: |
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ScriptVM* vm; |
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}; |
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/** |
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* Implements the built-in abs() script function. |
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*/ |
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class CoreVMFunction_abs FINAL : public VMNumberResultFunction { |
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public: |
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ExprType_t returnType(VMFnArgs* args) OVERRIDE; |
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StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
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bool returnsFinal(VMFnArgs* args) OVERRIDE; |
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vmint minRequiredArgs() const OVERRIDE { return 1; } |
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vmint maxAllowedArgs() const OVERRIDE { return 1; } |
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bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
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bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
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bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
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bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
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VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
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}; |
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/** |
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* Implements the built-in random() script function. |
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*/ |
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class CoreVMFunction_random FINAL : public VMNumberResultFunction { |
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using Super = VMNumberResultFunction; // just an alias for the super class |
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public: |
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ExprType_t returnType(VMFnArgs* args) OVERRIDE; |
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StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
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bool returnsFinal(VMFnArgs* args) OVERRIDE; |
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vmint minRequiredArgs() const OVERRIDE { return 2; } |
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vmint maxAllowedArgs() const OVERRIDE { return 2; } |
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bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
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bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
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bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
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bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
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void checkArgs(VMFnArgs* args, std::function<void(String)> err, |
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std::function<void(String)> wrn) OVERRIDE; |
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VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
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}; |
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/** |
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* Implements the built-in num_elements() script function. |
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*/ |
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class CoreVMFunction_num_elements FINAL : public VMIntResultFunction { |
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public: |
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StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE { return VM_NO_UNIT; } |
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bool returnsFinal(VMFnArgs* args) OVERRIDE { return false; } |
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vmint minRequiredArgs() const OVERRIDE { return 1; } |
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vmint maxAllowedArgs() const OVERRIDE { return 1; } |
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bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
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VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
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}; |
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/** |
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* Implements the built-in inc() script function. |
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*/ |
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class CoreVMFunction_inc FINAL : public VMIntResultFunction { |
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using Super = VMIntResultFunction; // just an alias for the super class |
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public: |
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StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
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bool returnsFinal(VMFnArgs* args) OVERRIDE; |
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vmint minRequiredArgs() const OVERRIDE { return 1; } |
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vmint maxAllowedArgs() const OVERRIDE { return 1; } |
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bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == INT_EXPR; } |
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bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
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bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
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bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
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bool modifiesArg(vmint iArg) const OVERRIDE { return true; } |
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void checkArgs(VMFnArgs* args, std::function<void(String)> err, |
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std::function<void(String)> wrn) OVERRIDE; |
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VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
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}; |
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/** |
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* Implements the built-in dec() script function. |
313 |
|
|
*/ |
314 |
schoenebeck |
3581 |
class CoreVMFunction_dec FINAL : public VMIntResultFunction { |
315 |
|
|
using Super = VMIntResultFunction; // just an alias for the super class |
316 |
schoenebeck |
2945 |
public: |
317 |
schoenebeck |
3581 |
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
318 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
319 |
schoenebeck |
3557 |
vmint minRequiredArgs() const OVERRIDE { return 1; } |
320 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
321 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == INT_EXPR; } |
322 |
schoenebeck |
3581 |
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
323 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
324 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
325 |
schoenebeck |
3557 |
bool modifiesArg(vmint iArg) const OVERRIDE { return true; } |
326 |
schoenebeck |
3581 |
void checkArgs(VMFnArgs* args, std::function<void(String)> err, |
327 |
|
|
std::function<void(String)> wrn) OVERRIDE; |
328 |
schoenebeck |
3557 |
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
329 |
schoenebeck |
2945 |
}; |
330 |
|
|
|
331 |
schoenebeck |
2965 |
/** |
332 |
schoenebeck |
3076 |
* Implements the built-in in_range() script function. |
333 |
|
|
*/ |
334 |
schoenebeck |
3581 |
class CoreVMFunction_in_range FINAL : public VMIntResultFunction { |
335 |
|
|
using Super = VMIntResultFunction; // just an alias for the super class |
336 |
schoenebeck |
3076 |
public: |
337 |
schoenebeck |
3581 |
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE { return VM_NO_UNIT; } |
338 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE { return false; } |
339 |
schoenebeck |
3557 |
vmint minRequiredArgs() const OVERRIDE { return 3; } |
340 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 3; } |
341 |
schoenebeck |
3581 |
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
342 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
343 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
344 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
345 |
|
|
void checkArgs(VMFnArgs* args, std::function<void(String)> err, |
346 |
|
|
std::function<void(String)> wrn) OVERRIDE; |
347 |
schoenebeck |
3557 |
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
348 |
schoenebeck |
3076 |
}; |
349 |
|
|
|
350 |
|
|
/** |
351 |
schoenebeck |
2965 |
* Implements the built-in sh_left() script function. |
352 |
|
|
*/ |
353 |
schoenebeck |
3581 |
class CoreVMFunction_sh_left FINAL : public VMIntResultFunction { |
354 |
schoenebeck |
2965 |
public: |
355 |
schoenebeck |
3581 |
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE { return VM_NO_UNIT; } |
356 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
357 |
schoenebeck |
3557 |
vmint minRequiredArgs() const OVERRIDE { return 2; } |
358 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 2; } |
359 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == INT_EXPR; } |
360 |
schoenebeck |
3581 |
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
361 |
schoenebeck |
3557 |
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
362 |
schoenebeck |
2965 |
}; |
363 |
|
|
|
364 |
|
|
/** |
365 |
|
|
* Implements the built-in sh_right() script function. |
366 |
|
|
*/ |
367 |
schoenebeck |
3581 |
class CoreVMFunction_sh_right FINAL : public VMIntResultFunction { |
368 |
schoenebeck |
2965 |
public: |
369 |
schoenebeck |
3581 |
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE { return VM_NO_UNIT; } |
370 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
371 |
schoenebeck |
3557 |
vmint minRequiredArgs() const OVERRIDE { return 2; } |
372 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 2; } |
373 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == INT_EXPR; } |
374 |
schoenebeck |
3581 |
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
375 |
schoenebeck |
3557 |
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
376 |
schoenebeck |
2965 |
}; |
377 |
|
|
|
378 |
schoenebeck |
2970 |
/** |
379 |
|
|
* Implements the built-in min() script function. |
380 |
|
|
*/ |
381 |
schoenebeck |
3582 |
class CoreVMFunction_min FINAL : public VMNumberResultFunction { |
382 |
|
|
using Super = VMNumberResultFunction; // just an alias for the super class |
383 |
schoenebeck |
2970 |
public: |
384 |
schoenebeck |
3577 |
ExprType_t returnType(VMFnArgs* args) OVERRIDE; |
385 |
schoenebeck |
3581 |
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
386 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
387 |
schoenebeck |
3557 |
vmint minRequiredArgs() const OVERRIDE { return 2; } |
388 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 2; } |
389 |
schoenebeck |
3577 |
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
390 |
schoenebeck |
3581 |
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
391 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
392 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
393 |
|
|
void checkArgs(VMFnArgs* args, std::function<void(String)> err, |
394 |
|
|
std::function<void(String)> wrn) OVERRIDE; |
395 |
schoenebeck |
3557 |
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
396 |
schoenebeck |
2970 |
}; |
397 |
|
|
|
398 |
|
|
/** |
399 |
|
|
* Implements the built-in max() script function. |
400 |
|
|
*/ |
401 |
schoenebeck |
3582 |
class CoreVMFunction_max FINAL : public VMNumberResultFunction { |
402 |
|
|
using Super = VMNumberResultFunction; // just an alias for the super class |
403 |
schoenebeck |
2970 |
public: |
404 |
schoenebeck |
3577 |
ExprType_t returnType(VMFnArgs* args) OVERRIDE; |
405 |
schoenebeck |
3581 |
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
406 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
407 |
schoenebeck |
3557 |
vmint minRequiredArgs() const OVERRIDE { return 2; } |
408 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 2; } |
409 |
schoenebeck |
3577 |
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
410 |
schoenebeck |
3581 |
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
411 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
412 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
413 |
|
|
void checkArgs(VMFnArgs* args, std::function<void(String)> err, |
414 |
|
|
std::function<void(String)> wrn) OVERRIDE; |
415 |
schoenebeck |
3557 |
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
416 |
schoenebeck |
2970 |
}; |
417 |
|
|
|
418 |
schoenebeck |
3221 |
/** |
419 |
|
|
* Implements the built-in array_equal() script function. |
420 |
|
|
*/ |
421 |
schoenebeck |
3581 |
class CoreVMFunction_array_equal FINAL : public VMIntResultFunction { |
422 |
|
|
using Super = VMIntResultFunction; // just an alias for the super class |
423 |
schoenebeck |
3221 |
public: |
424 |
schoenebeck |
3581 |
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE { return VM_NO_UNIT; } |
425 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE { return false; } |
426 |
schoenebeck |
3557 |
vmint minRequiredArgs() const OVERRIDE { return 2; } |
427 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 2; } |
428 |
schoenebeck |
3581 |
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
429 |
|
|
void checkArgs(VMFnArgs* args, std::function<void(String)> err, |
430 |
|
|
std::function<void(String)> wrn) OVERRIDE; |
431 |
schoenebeck |
3557 |
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
432 |
schoenebeck |
3221 |
}; |
433 |
|
|
|
434 |
|
|
/** |
435 |
|
|
* Implements the built-in search() script function. |
436 |
|
|
*/ |
437 |
schoenebeck |
3581 |
class CoreVMFunction_search FINAL : public VMIntResultFunction { |
438 |
|
|
using Super = VMIntResultFunction; // just an alias for the super class |
439 |
schoenebeck |
3221 |
public: |
440 |
schoenebeck |
3581 |
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE { return VM_NO_UNIT; } |
441 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE { return false; } |
442 |
schoenebeck |
3557 |
vmint minRequiredArgs() const OVERRIDE { return 2; } |
443 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 2; } |
444 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
445 |
schoenebeck |
3581 |
void checkArgs(VMFnArgs* args, std::function<void(String)> err, |
446 |
|
|
std::function<void(String)> wrn) OVERRIDE; |
447 |
schoenebeck |
3557 |
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
448 |
schoenebeck |
3221 |
}; |
449 |
|
|
|
450 |
|
|
/** |
451 |
|
|
* Implements the built-in sort() script function. |
452 |
|
|
*/ |
453 |
schoenebeck |
3581 |
class CoreVMFunction_sort FINAL : public VMEmptyResultFunction { |
454 |
schoenebeck |
3221 |
public: |
455 |
schoenebeck |
3557 |
vmint minRequiredArgs() const OVERRIDE { return 1; } |
456 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 2; } |
457 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE; |
458 |
|
|
bool modifiesArg(vmint iArg) const OVERRIDE { return iArg == 0; } |
459 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
460 |
schoenebeck |
3221 |
}; |
461 |
|
|
|
462 |
schoenebeck |
3573 |
/** |
463 |
|
|
* Implements the built-in real_to_int() script function and its short hand |
464 |
|
|
* variant int(). The behaviour of the two built-in script functions are |
465 |
|
|
* identical ATM. |
466 |
|
|
*/ |
467 |
schoenebeck |
3581 |
class CoreVMFunction_real_to_int FINAL : public VMIntResultFunction { |
468 |
schoenebeck |
3573 |
public: |
469 |
schoenebeck |
3581 |
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
470 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
471 |
schoenebeck |
3573 |
vmint minRequiredArgs() const OVERRIDE { return 1; } |
472 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
473 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
474 |
schoenebeck |
3581 |
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
475 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
476 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
477 |
schoenebeck |
3573 |
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
478 |
|
|
}; |
479 |
|
|
|
480 |
|
|
/** |
481 |
|
|
* Implements the built-in int_to_real() script function and its short hand |
482 |
|
|
* variant real(). The behaviour of the two built-in script functions are |
483 |
|
|
* identical ATM. |
484 |
|
|
*/ |
485 |
schoenebeck |
3581 |
class CoreVMFunction_int_to_real FINAL : public VMRealResultFunction { |
486 |
schoenebeck |
3573 |
public: |
487 |
schoenebeck |
3581 |
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
488 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
489 |
schoenebeck |
3573 |
vmint minRequiredArgs() const OVERRIDE { return 1; } |
490 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
491 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == INT_EXPR; } |
492 |
schoenebeck |
3581 |
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
493 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
494 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
495 |
schoenebeck |
3573 |
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
496 |
|
|
}; |
497 |
|
|
|
498 |
schoenebeck |
3590 |
/** |
499 |
|
|
* Implements the built-in round() script function. |
500 |
|
|
*/ |
501 |
|
|
class CoreVMFunction_round FINAL : public VMRealResultFunction { |
502 |
|
|
public: |
503 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
504 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
505 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
506 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
507 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
508 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
509 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
510 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
511 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
512 |
|
|
}; |
513 |
|
|
|
514 |
|
|
/** |
515 |
|
|
* Implements the built-in ceil() script function. |
516 |
|
|
*/ |
517 |
|
|
class CoreVMFunction_ceil FINAL : public VMRealResultFunction { |
518 |
|
|
public: |
519 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
520 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
521 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
522 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
523 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
524 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
525 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
526 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
527 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
528 |
|
|
}; |
529 |
|
|
|
530 |
|
|
/** |
531 |
|
|
* Implements the built-in floor() script function. |
532 |
|
|
*/ |
533 |
|
|
class CoreVMFunction_floor FINAL : public VMRealResultFunction { |
534 |
|
|
public: |
535 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
536 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
537 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
538 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
539 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
540 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
541 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
542 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
543 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
544 |
|
|
}; |
545 |
|
|
|
546 |
|
|
/** |
547 |
|
|
* Implements the built-in sqrt() script function. |
548 |
|
|
*/ |
549 |
|
|
class CoreVMFunction_sqrt FINAL : public VMRealResultFunction { |
550 |
|
|
public: |
551 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
552 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
553 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
554 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
555 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
556 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
557 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
558 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
559 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
560 |
|
|
}; |
561 |
|
|
|
562 |
|
|
/** |
563 |
|
|
* Implements the built-in log() script function. |
564 |
|
|
*/ |
565 |
|
|
class CoreVMFunction_log FINAL : public VMRealResultFunction { |
566 |
|
|
public: |
567 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
568 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
569 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
570 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
571 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
572 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
573 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
574 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
575 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
576 |
|
|
}; |
577 |
|
|
|
578 |
|
|
/** |
579 |
|
|
* Implements the built-in log2() script function. |
580 |
|
|
*/ |
581 |
|
|
class CoreVMFunction_log2 FINAL : public VMRealResultFunction { |
582 |
|
|
public: |
583 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
584 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
585 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
586 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
587 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
588 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
589 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
590 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
591 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
592 |
|
|
}; |
593 |
|
|
|
594 |
|
|
/** |
595 |
|
|
* Implements the built-in log10() script function. |
596 |
|
|
*/ |
597 |
|
|
class CoreVMFunction_log10 FINAL : public VMRealResultFunction { |
598 |
|
|
public: |
599 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
600 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
601 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
602 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
603 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
604 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
605 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
606 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
607 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
608 |
|
|
}; |
609 |
|
|
|
610 |
|
|
/** |
611 |
|
|
* Implements the built-in exp() script function. |
612 |
|
|
*/ |
613 |
|
|
class CoreVMFunction_exp FINAL : public VMRealResultFunction { |
614 |
|
|
public: |
615 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
616 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
617 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
618 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
619 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
620 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
621 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
622 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
623 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
624 |
|
|
}; |
625 |
|
|
|
626 |
|
|
/** |
627 |
|
|
* Implements the built-in pow() script function. |
628 |
|
|
*/ |
629 |
|
|
class CoreVMFunction_pow FINAL : public VMRealResultFunction { |
630 |
|
|
using Super = VMRealResultFunction; // just an alias for the super class |
631 |
|
|
public: |
632 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
633 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
634 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 2; } |
635 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 2; } |
636 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
637 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE; |
638 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE; |
639 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return iArg == 0; } |
640 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
641 |
|
|
}; |
642 |
|
|
|
643 |
|
|
/** |
644 |
|
|
* Implements the built-in sin() script function. |
645 |
|
|
*/ |
646 |
|
|
class CoreVMFunction_sin FINAL : public VMRealResultFunction { |
647 |
|
|
public: |
648 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
649 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
650 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
651 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
652 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
653 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
654 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
655 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
656 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
657 |
|
|
}; |
658 |
|
|
|
659 |
|
|
/** |
660 |
|
|
* Implements the built-in cos() script function. |
661 |
|
|
*/ |
662 |
|
|
class CoreVMFunction_cos FINAL : public VMRealResultFunction { |
663 |
|
|
public: |
664 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
665 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
666 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
667 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
668 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
669 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
670 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
671 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
672 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
673 |
|
|
}; |
674 |
|
|
|
675 |
|
|
/** |
676 |
|
|
* Implements the built-in tan() script function. |
677 |
|
|
*/ |
678 |
|
|
class CoreVMFunction_tan FINAL : public VMRealResultFunction { |
679 |
|
|
public: |
680 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
681 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
682 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
683 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
684 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
685 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
686 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
687 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
688 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
689 |
|
|
}; |
690 |
|
|
|
691 |
|
|
/** |
692 |
|
|
* Implements the built-in asin() script function. |
693 |
|
|
*/ |
694 |
|
|
class CoreVMFunction_asin FINAL : public VMRealResultFunction { |
695 |
|
|
public: |
696 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
697 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
698 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
699 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
700 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
701 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
702 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
703 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
704 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
705 |
|
|
}; |
706 |
|
|
|
707 |
|
|
/** |
708 |
|
|
* Implements the built-in acos() script function. |
709 |
|
|
*/ |
710 |
|
|
class CoreVMFunction_acos FINAL : public VMRealResultFunction { |
711 |
|
|
public: |
712 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
713 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
714 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
715 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
716 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
717 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
718 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
719 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
720 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
721 |
|
|
}; |
722 |
|
|
|
723 |
|
|
/** |
724 |
|
|
* Implements the built-in atan() script function. |
725 |
|
|
*/ |
726 |
|
|
class CoreVMFunction_atan FINAL : public VMRealResultFunction { |
727 |
|
|
public: |
728 |
|
|
StdUnit_t returnUnitType(VMFnArgs* args) OVERRIDE; |
729 |
|
|
bool returnsFinal(VMFnArgs* args) OVERRIDE; |
730 |
|
|
vmint minRequiredArgs() const OVERRIDE { return 1; } |
731 |
|
|
vmint maxAllowedArgs() const OVERRIDE { return 1; } |
732 |
|
|
bool acceptsArgType(vmint iArg, ExprType_t type) const OVERRIDE { return type == REAL_EXPR; } |
733 |
|
|
bool acceptsArgUnitType(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
734 |
|
|
bool acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const OVERRIDE { return true; } |
735 |
|
|
bool acceptsArgFinal(vmint iArg) const OVERRIDE { return true; } |
736 |
|
|
VMFnResult* exec(VMFnArgs* args) OVERRIDE; |
737 |
|
|
}; |
738 |
|
|
|
739 |
schoenebeck |
2581 |
} // namespace LinuxSampler |
740 |
|
|
|
741 |
|
|
#endif // LS_COREVMFUNCTIONS_H |