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schoenebeck |
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/* |
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* Copyright (c) 2014 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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class VMEmptyResult : public VMFnResult, public VMExpr { |
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public: |
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StmtFlags_t flags; |
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VMEmptyResult() : flags(STMT_SUCCESS) {} |
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ExprType_t exprType() const { return EMPTY_EXPR; } |
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VMExpr* resultValue() { return this; } |
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StmtFlags_t resultFlags() { return flags; } |
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}; |
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class VMStringResult : public VMFnResult, public VMStringExpr { |
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public: |
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StmtFlags_t flags; |
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String value; |
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VMStringResult() : flags(STMT_SUCCESS) {} |
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String evalStr() { return value; } |
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VMExpr* resultValue() { return this; } |
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StmtFlags_t resultFlags() { return flags; } |
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}; |
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class VMEmptyResultFunction : public VMFunction { |
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protected: |
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ExprType_t returnType() { return EMPTY_EXPR; } |
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VMFnResult* errorResult(); |
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VMFnResult* successResult(); |
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protected: |
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VMEmptyResult result; |
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}; |
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class VMStringResultFunction : public VMFunction { |
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protected: |
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ExprType_t returnType() { 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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protected: |
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VMStringResult result; |
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}; |
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class CoreVMFunction_message : public VMEmptyResultFunction { |
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public: |
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int minRequiredArgs() const { return 1; } |
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int maxAllowedArgs() const { return 1; } |
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bool acceptsArgType(int iArg, ExprType_t type) const; |
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ExprType_t argType(int iArg) const { return STRING_EXPR; } |
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VMFnResult* exec(VMFnArgs* args); |
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}; |
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class CoreVMFunction_exit : public VMEmptyResultFunction { |
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public: |
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int minRequiredArgs() const { return 0; } |
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int maxAllowedArgs() const { return 0; } |
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bool acceptsArgType(int iArg, ExprType_t type) const { return false; } |
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ExprType_t argType(int iArg) const { return INT_EXPR; /*whatever*/ } |
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VMFnResult* exec(VMFnArgs* args); |
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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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int minRequiredArgs() const { return 1; } |
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int maxAllowedArgs() const { return 1; } |
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bool acceptsArgType(int iArg, ExprType_t type) const { return type == INT_EXPR; } |
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ExprType_t argType(int iArg) const { return INT_EXPR; } |
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VMFnResult* exec(VMFnArgs* args); |
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protected: |
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ScriptVM* vm; |
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}; |
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} // namespace LinuxSampler |
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#endif // LS_COREVMFUNCTIONS_H |