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/* |
/* |
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* Copyright (c) 2014 Christian Schoenebeck |
* Copyright (c) 2014-2019 Christian Schoenebeck |
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* |
* |
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* http://www.linuxsampler.org |
* http://www.linuxsampler.org |
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* |
* |
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#include "CoreVMFunctions.h" |
#include "CoreVMFunctions.h" |
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#include <iostream> |
#include <iostream> |
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#include <algorithm> // for std::sort() |
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#include <math.h> |
#include <math.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include "tree.h" |
#include "tree.h" |
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#include "ScriptVM.h" |
#include "ScriptVM.h" |
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#include "../common/RTMath.h" |
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namespace LinuxSampler { |
namespace LinuxSampler { |
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inline bool _fEqualX(vmfloat a, vmfloat b) { |
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if (sizeof(vmfloat) == sizeof(float)) |
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return RTMath::fEqual32(a, b); |
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else |
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return RTMath::fEqual64(a, b); |
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} |
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/////////////////////////////////////////////////////////////////////////// |
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// class VMEmptyResultFunction |
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VMFnResult* VMEmptyResultFunction::errorResult() { |
VMFnResult* VMEmptyResultFunction::errorResult() { |
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result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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return &result; |
return &result; |
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return &result; |
return &result; |
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} |
} |
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VMFnResult* VMIntResultFunction::errorResult(int i) { |
/////////////////////////////////////////////////////////////////////////// |
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// class VMIntResultFunction |
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VMFnResult* VMIntResultFunction::errorResult(vmint i) { |
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result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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result.value = i; |
result.value = i; |
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result.unitPrefixFactor = VM_NO_FACTOR; |
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return &result; |
return &result; |
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} |
} |
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VMFnResult* VMIntResultFunction::successResult(int i) { |
VMFnResult* VMIntResultFunction::successResult(vmint i) { |
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result.flags = STMT_SUCCESS; |
result.flags = STMT_SUCCESS; |
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result.value = i; |
result.value = i; |
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result.unitPrefixFactor = VM_NO_FACTOR; |
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return &result; |
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} |
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VMFnResult* VMIntResultFunction::errorResult(VMIntFnResDef res) { |
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result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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result.value = res.value; |
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result.unitPrefixFactor = res.unitFactor; |
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return &result; |
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} |
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VMFnResult* VMIntResultFunction::successResult(VMIntFnResDef res) { |
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result.flags = STMT_SUCCESS; |
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result.value = res.value; |
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result.unitPrefixFactor = res.unitFactor; |
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return &result; |
return &result; |
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} |
} |
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/////////////////////////////////////////////////////////////////////////// |
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// class VMRealResultFunction |
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VMFnResult* VMRealResultFunction::errorResult(vmfloat f) { |
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result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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result.value = f; |
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result.unitPrefixFactor = VM_NO_FACTOR; |
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return &result; |
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} |
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VMFnResult* VMRealResultFunction::errorResult(VMRealFnResDef res) { |
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result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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result.value = res.value; |
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result.unitPrefixFactor = res.unitFactor; |
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return &result; |
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} |
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VMFnResult* VMRealResultFunction::successResult(vmfloat f) { |
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result.flags = STMT_SUCCESS; |
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result.value = f; |
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result.unitPrefixFactor = VM_NO_FACTOR; |
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return &result; |
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} |
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VMFnResult* VMRealResultFunction::successResult(VMRealFnResDef res) { |
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result.flags = STMT_SUCCESS; |
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result.value = res.value; |
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result.unitPrefixFactor = res.unitFactor; |
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return &result; |
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} |
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/////////////////////////////////////////////////////////////////////////// |
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// class VMStringResultFunction |
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VMFnResult* VMStringResultFunction::errorResult(const String& s) { |
VMFnResult* VMStringResultFunction::errorResult(const String& s) { |
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result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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result.value = s; |
result.value = s; |
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return &result; |
return &result; |
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} |
} |
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bool CoreVMFunction_message::acceptsArgType(int iArg, ExprType_t type) const { |
/////////////////////////////////////////////////////////////////////////// |
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return type == INT_EXPR || type == STRING_EXPR; |
// class VMNumberResultFunction |
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VMFnResult* VMNumberResultFunction::errorResult(vmint i) { |
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intResult.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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intResult.value = i; |
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intResult.unitPrefixFactor = VM_NO_FACTOR; |
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return &intResult; |
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} |
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VMFnResult* VMNumberResultFunction::errorResult(vmfloat f) { |
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realResult.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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realResult.value = f; |
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realResult.unitPrefixFactor = VM_NO_FACTOR; |
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return &realResult; |
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} |
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VMFnResult* VMNumberResultFunction::successResult(vmint i) { |
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intResult.flags = STMT_SUCCESS; |
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intResult.value = i; |
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intResult.unitPrefixFactor = VM_NO_FACTOR; |
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return &intResult; |
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} |
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VMFnResult* VMNumberResultFunction::successResult(vmfloat f) { |
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realResult.flags = STMT_SUCCESS; |
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realResult.value = f; |
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realResult.unitPrefixFactor = VM_NO_FACTOR; |
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return &realResult; |
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} |
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VMFnResult* VMNumberResultFunction::errorIntResult(VMIntFnResDef res) { |
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intResult.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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intResult.value = res.value; |
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intResult.unitPrefixFactor = res.unitFactor; |
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return &intResult; |
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} |
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VMFnResult* VMNumberResultFunction::errorRealResult(VMRealFnResDef res) { |
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realResult.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
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realResult.value = res.value; |
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realResult.unitPrefixFactor = res.unitFactor; |
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return &realResult; |
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} |
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VMFnResult* VMNumberResultFunction::successIntResult(VMIntFnResDef res) { |
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intResult.flags = STMT_SUCCESS; |
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intResult.value = res.value; |
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intResult.unitPrefixFactor = res.unitFactor; |
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return &intResult; |
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} |
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VMFnResult* VMNumberResultFunction::successRealResult(VMRealFnResDef res) { |
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realResult.flags = STMT_SUCCESS; |
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realResult.value = res.value; |
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realResult.unitPrefixFactor = res.unitFactor; |
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return &realResult; |
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} |
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/////////////////////////////////////////////////////////////////////////// |
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// built-in script function: message() |
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bool CoreVMFunction_message::acceptsArgType(vmint iArg, ExprType_t type) const { |
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return type == INT_EXPR || type == REAL_EXPR || type == STRING_EXPR; |
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} |
} |
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VMFnResult* CoreVMFunction_message::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_message::exec(VMFnArgs* args) { |
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if (!args->argsCount()) return errorResult(); |
if (!args->argsCount()) return errorResult(); |
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uint64_t usecs = RTMath::unsafeMicroSeconds(RTMath::real_clock); |
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VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(args->arg(0)); |
VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(args->arg(0)); |
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if (strExpr) { |
if (strExpr) { |
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std::cout << "[ScriptVM] " << strExpr->evalStr() << "\n"; |
printf("[ScriptVM %.3f] %s\n", usecs/1000000.f, strExpr->evalStr().c_str()); |
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return successResult(); |
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} |
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VMRealExpr* realExpr = dynamic_cast<VMRealExpr*>(args->arg(0)); |
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if (realExpr) { |
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printf("[ScriptVM %.3f] %f\n", usecs/1000000.f, realExpr->evalReal()); |
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return successResult(); |
return successResult(); |
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} |
} |
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VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(args->arg(0)); |
VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(args->arg(0)); |
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if (intExpr) { |
if (intExpr) { |
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std::cout << "[ScriptVM] " << intExpr->evalInt() << "\n"; |
printf("[ScriptVM %.3f] %lld\n", usecs/1000000.f, (int64_t)intExpr->evalInt()); |
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return successResult(); |
return successResult(); |
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} |
} |
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return errorResult(); |
return errorResult(); |
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} |
} |
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/////////////////////////////////////////////////////////////////////////// |
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// built-in script function: exit() |
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vmint CoreVMFunction_exit::maxAllowedArgs() const { |
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return (vm->isExitResultEnabled()) ? 1 : 0; |
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} |
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bool CoreVMFunction_exit::acceptsArgType(vmint iArg, ExprType_t type) const { |
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if (!vm->isExitResultEnabled()) return false; |
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return type == INT_EXPR || type == REAL_EXPR || type == STRING_EXPR; |
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} |
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bool CoreVMFunction_exit::acceptsArgUnitType(vmint iArg, StdUnit_t type) const { |
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if (!vm->isExitResultEnabled()) return false; |
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return true; |
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} |
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bool CoreVMFunction_exit::acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const { |
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if (!vm->isExitResultEnabled()) return false; |
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return true; |
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} |
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bool CoreVMFunction_exit::acceptsArgFinal(vmint iArg) const { |
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if (!vm->isExitResultEnabled()) return false; |
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return true; |
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} |
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VMFnResult* CoreVMFunction_exit::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_exit::exec(VMFnArgs* args) { |
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this->result.flags = STMT_ABORT_SIGNALLED; |
this->result.flags = STMT_ABORT_SIGNALLED; |
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if (vm->isExitResultEnabled() && args->argsCount()) { |
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ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext()); |
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switch (args->arg(0)->exprType()) { |
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case INT_EXPR: { |
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VMIntExpr* expr = args->arg(0)->asInt(); |
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ctx->exitRes.intLiteral = IntLiteral({ |
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.value = expr->evalInt(), |
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.unitFactor = expr->unitFactor(), |
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.unitType = expr->unitType(), |
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.isFinal = expr->isFinal() |
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}); |
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ctx->exitRes.value = &ctx->exitRes.intLiteral; |
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break; |
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} |
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case REAL_EXPR: { |
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VMRealExpr* expr = args->arg(0)->asReal(); |
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ctx->exitRes.realLiteral = RealLiteral({ |
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.value = expr->evalReal(), |
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.unitFactor = expr->unitFactor(), |
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.unitType = expr->unitType(), |
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.isFinal = expr->isFinal() |
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}); |
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ctx->exitRes.value = &ctx->exitRes.realLiteral; |
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break; |
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} |
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case STRING_EXPR: |
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ctx->exitRes.stringLiteral = StringLiteral( |
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args->arg(0)->asString()->evalStr() |
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); |
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ctx->exitRes.value = &ctx->exitRes.stringLiteral; |
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break; |
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default: |
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; // noop - just to shut up the compiler |
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} |
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} |
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return &result; |
return &result; |
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} |
} |
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/////////////////////////////////////////////////////////////////////////// |
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// built-in script function: wait() |
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bool CoreVMFunction_wait::acceptsArgUnitType(vmint iArg, StdUnit_t type) const { |
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if (iArg == 0) |
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return type == VM_NO_UNIT || type == VM_SECOND; |
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else |
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return type == VM_NO_UNIT; |
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} |
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bool CoreVMFunction_wait::acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const { |
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return iArg == 0 && type == VM_SECOND; |
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} |
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VMFnResult* CoreVMFunction_wait::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_wait::exec(VMFnArgs* args) { |
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ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext()); |
ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext()); |
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VMIntExpr* expr = dynamic_cast<VMIntExpr*>(args->arg(0)); |
VMIntExpr* expr = dynamic_cast<VMIntExpr*>(args->arg(0)); |
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ctx->suspendMicroseconds = expr->evalInt(); |
StdUnit_t unit = expr->unitType(); |
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this->result.flags = STMT_SUSPEND_SIGNALLED; |
vmint us = (unit) ? expr->evalInt(VM_MICRO) : expr->evalInt(); |
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if (us < 0) { |
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wrnMsg("wait(): argument may not be negative! Aborting script!"); |
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this->result.flags = STMT_ABORT_SIGNALLED; |
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} else if (us == 0) { |
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wrnMsg("wait(): argument may not be zero! Aborting script!"); |
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this->result.flags = STMT_ABORT_SIGNALLED; |
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} else { |
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ctx->suspendMicroseconds = us; |
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this->result.flags = STMT_SUSPEND_SIGNALLED; |
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} |
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return &result; |
return &result; |
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} |
} |
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bool CoreVMFunction_abs::acceptsArgType(int iArg, ExprType_t type) const { |
/////////////////////////////////////////////////////////////////////////// |
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return type == INT_EXPR; |
// built-in script function: abs() |
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ExprType_t CoreVMFunction_abs::returnType(VMFnArgs* args) { |
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return args->arg(0)->exprType(); |
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} |
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StdUnit_t CoreVMFunction_abs::returnUnitType(VMFnArgs* args) { |
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return args->arg(0)->asNumber()->unitType(); |
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} |
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bool CoreVMFunction_abs::returnsFinal(VMFnArgs* args) { |
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return args->arg(0)->asNumber()->isFinal(); |
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} |
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bool CoreVMFunction_abs::acceptsArgType(vmint iArg, ExprType_t type) const { |
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return type == INT_EXPR || type == REAL_EXPR; |
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} |
} |
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VMFnResult* CoreVMFunction_abs::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_abs::exec(VMFnArgs* args) { |
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return successResult( ::abs(args->arg(0)->asInt()->evalInt()) ); |
VMExpr* arg = args->arg(0); |
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if (arg->exprType() == REAL_EXPR) { |
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VMRealExpr* expr = arg->asReal(); |
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return successRealResult({ |
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.value = ::fabs(expr->evalReal()), |
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.unitFactor = expr->unitFactor() |
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}); |
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} else { |
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VMIntExpr* expr = arg->asInt(); |
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return successIntResult({ |
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.value = ::abs(expr->evalInt()), |
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.unitFactor = expr->unitFactor() |
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}); |
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} |
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} |
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|
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/////////////////////////////////////////////////////////////////////////// |
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// built-in script function: random() |
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|
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ExprType_t CoreVMFunction_random::returnType(VMFnArgs* args) { |
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return (args->arg(0)->exprType() == INT_EXPR && |
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args->arg(1)->exprType() == INT_EXPR) ? INT_EXPR : REAL_EXPR; |
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} |
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StdUnit_t CoreVMFunction_random::returnUnitType(VMFnArgs* args) { |
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// we ensure in checkArgs() below (which is called before this method here) |
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// that both arguments must be of same unit type, so either one is fine here |
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return args->arg(0)->asNumber()->unitType(); |
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} |
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bool CoreVMFunction_random::returnsFinal(VMFnArgs* args) { |
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return args->arg(0)->asNumber()->isFinal() || |
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args->arg(1)->asNumber()->isFinal(); |
362 |
} |
} |
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|
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bool CoreVMFunction_random::acceptsArgType(int iArg, ExprType_t type) const { |
bool CoreVMFunction_random::acceptsArgType(vmint iArg, ExprType_t type) const { |
365 |
return type == INT_EXPR; |
return type == INT_EXPR || type == REAL_EXPR; |
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} |
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|
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void CoreVMFunction_random::checkArgs(VMFnArgs* args, |
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std::function<void(String)> err, |
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std::function<void(String)> wrn) |
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{ |
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// super class checks |
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Super::checkArgs(args, err, wrn); |
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|
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// own checks ... |
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if (args->arg(0)->asNumber()->unitType() != |
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args->arg(1)->asNumber()->unitType()) |
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{ |
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String a = unitTypeStr(args->arg(0)->asNumber()->unitType()); |
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String b = unitTypeStr(args->arg(1)->asNumber()->unitType()); |
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err("Argument 1 has unit type " + a + ", whereas argument 2 has unit type " + b + "."); |
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return; |
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} |
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if (args->arg(0)->asNumber()->isFinal() != |
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args->arg(1)->asNumber()->isFinal()) |
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{ |
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String a = args->arg(0)->asNumber()->isFinal() ? "'final'" : "not 'final'"; |
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String b = args->arg(1)->asNumber()->isFinal() ? "'final'" : "not 'final'"; |
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wrn("Argument 1 is " + a + ", whereas argument 2 is " + b + ", function result will be final."); |
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} |
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} |
} |
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|
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VMFnResult* CoreVMFunction_random::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_random::exec(VMFnArgs* args) { |
394 |
int iMin = args->arg(0)->asInt()->evalInt(); |
float f = float(::rand()) / float(RAND_MAX); |
395 |
int iMax = args->arg(1)->asInt()->evalInt(); |
|
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float f = float(::random()) / float(RAND_MAX); |
VMNumberExpr* arg0 = args->arg(0)->asNumber(); |
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return successResult( |
VMNumberExpr* arg1 = args->arg(1)->asNumber(); |
398 |
iMin + roundf( f * float(iMax - iMin) ) |
|
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); |
if (arg0->exprType() == INT_EXPR && arg1->exprType() == INT_EXPR) { |
400 |
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vmint iMin = args->arg(0)->asInt()->evalInt(); |
401 |
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vmint iMax = args->arg(1)->asInt()->evalInt(); |
402 |
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if (arg0->unitFactor() == arg1->unitFactor()) { |
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return successIntResult({ |
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.value = vmint( iMin + roundf( f * float(iMax - iMin) ) ), |
405 |
|
.unitFactor = arg0->unitFactor() |
406 |
|
}); |
407 |
|
} else if (arg0->unitFactor() < arg1->unitFactor()) { |
408 |
|
iMax = Unit::convIntToUnitFactor(iMax, arg1, arg0); |
409 |
|
return successIntResult({ |
410 |
|
.value = vmint( iMin + roundf( f * float(iMax - iMin) ) ), |
411 |
|
.unitFactor = arg0->unitFactor() |
412 |
|
}); |
413 |
|
} else { // arg0->unitFactor() > arg1->unitFactor() ... |
414 |
|
iMin = Unit::convIntToUnitFactor(iMin, arg0, arg1); |
415 |
|
return successIntResult({ |
416 |
|
.value = vmint( iMin + roundf( f * float(iMax - iMin) ) ), |
417 |
|
.unitFactor = arg1->unitFactor() |
418 |
|
}); |
419 |
|
} |
420 |
|
} else { |
421 |
|
vmfloat fMin = arg0->evalCastReal(); |
422 |
|
vmfloat fMax = arg1->evalCastReal(); |
423 |
|
if (arg0->unitFactor() == arg1->unitFactor()) { |
424 |
|
return successRealResult({ |
425 |
|
.value = fMin + f * (fMax - fMin), |
426 |
|
.unitFactor = arg0->unitFactor() |
427 |
|
}); |
428 |
|
} else if (arg0->unitFactor() < arg1->unitFactor()) { |
429 |
|
fMax = Unit::convRealToUnitFactor(fMax, arg1, arg0); |
430 |
|
return successRealResult({ |
431 |
|
.value = fMin + f * (fMax - fMin), |
432 |
|
.unitFactor = arg0->unitFactor() |
433 |
|
}); |
434 |
|
} else { // arg0->unitFactor() > arg1->unitFactor() ... |
435 |
|
fMin = Unit::convRealToUnitFactor(fMin, arg0, arg1); |
436 |
|
return successRealResult({ |
437 |
|
.value = fMin + f * (fMax - fMin), |
438 |
|
.unitFactor = arg1->unitFactor() |
439 |
|
}); |
440 |
|
} |
441 |
|
} |
442 |
} |
} |
443 |
|
|
444 |
bool CoreVMFunction_num_elements::acceptsArgType(int iArg, ExprType_t type) const { |
/////////////////////////////////////////////////////////////////////////// |
445 |
return type == INT_ARR_EXPR; |
// built-in script function: num_elements() |
446 |
|
|
447 |
|
bool CoreVMFunction_num_elements::acceptsArgType(vmint iArg, ExprType_t type) const { |
448 |
|
return isArray(type); |
449 |
} |
} |
450 |
|
|
451 |
VMFnResult* CoreVMFunction_num_elements::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_num_elements::exec(VMFnArgs* args) { |
452 |
return successResult( args->arg(0)->asIntArray()->arraySize() ); |
return successResult( args->arg(0)->asArray()->arraySize() ); |
453 |
|
} |
454 |
|
|
455 |
|
/////////////////////////////////////////////////////////////////////////// |
456 |
|
// built-in script function: inc() |
457 |
|
|
458 |
|
StdUnit_t CoreVMFunction_inc::returnUnitType(VMFnArgs* args) { |
459 |
|
return args->arg(0)->asNumber()->unitType(); |
460 |
|
} |
461 |
|
|
462 |
|
bool CoreVMFunction_inc::returnsFinal(VMFnArgs* args) { |
463 |
|
return args->arg(0)->asNumber()->isFinal(); |
464 |
|
} |
465 |
|
|
466 |
|
void CoreVMFunction_inc::checkArgs(VMFnArgs* args, |
467 |
|
std::function<void(String)> err, |
468 |
|
std::function<void(String)> wrn) |
469 |
|
{ |
470 |
|
// super class checks |
471 |
|
Super::checkArgs(args, err, wrn); |
472 |
|
|
473 |
|
// own checks ... |
474 |
|
if (args->arg(0)->asNumber()->unitType()) { |
475 |
|
String unitType = unitTypeStr(args->arg(0)->asNumber()->unitType()); |
476 |
|
wrn("Argument has a unit type (" + unitType + "), only the number before the unit will be incremented by one."); |
477 |
|
} |
478 |
|
} |
479 |
|
|
480 |
|
VMFnResult* CoreVMFunction_inc::exec(VMFnArgs* args) { |
481 |
|
VMExpr* arg = args->arg(0); |
482 |
|
VMIntExpr* in = dynamic_cast<VMIntExpr*>(arg); |
483 |
|
VMVariable* out = dynamic_cast<VMVariable*>(arg); |
484 |
|
vmint i = in->evalInt() + 1; |
485 |
|
IntLiteral tmp({ |
486 |
|
.value = i, |
487 |
|
.unitFactor = in->unitFactor() |
488 |
|
}); |
489 |
|
out->assignExpr(&tmp); |
490 |
|
return successResult({ |
491 |
|
.value = i, |
492 |
|
.unitFactor = in->unitFactor() |
493 |
|
}); |
494 |
|
} |
495 |
|
|
496 |
|
/////////////////////////////////////////////////////////////////////////// |
497 |
|
// built-in script function: dec() |
498 |
|
|
499 |
|
StdUnit_t CoreVMFunction_dec::returnUnitType(VMFnArgs* args) { |
500 |
|
return args->arg(0)->asNumber()->unitType(); |
501 |
|
} |
502 |
|
|
503 |
|
bool CoreVMFunction_dec::returnsFinal(VMFnArgs* args) { |
504 |
|
return args->arg(0)->asNumber()->isFinal(); |
505 |
|
} |
506 |
|
|
507 |
|
void CoreVMFunction_dec::checkArgs(VMFnArgs* args, |
508 |
|
std::function<void(String)> err, |
509 |
|
std::function<void(String)> wrn) |
510 |
|
{ |
511 |
|
// super class checks |
512 |
|
Super::checkArgs(args, err, wrn); |
513 |
|
|
514 |
|
// own checks ... |
515 |
|
if (args->arg(0)->asNumber()->unitType()) { |
516 |
|
String unitType = unitTypeStr(args->arg(0)->asNumber()->unitType()); |
517 |
|
wrn("Argument has a unit type (" + unitType + "), only the number before the unit will be decremented by one."); |
518 |
|
} |
519 |
|
} |
520 |
|
|
521 |
|
VMFnResult* CoreVMFunction_dec::exec(VMFnArgs* args) { |
522 |
|
VMExpr* arg = args->arg(0); |
523 |
|
VMIntExpr* in = dynamic_cast<VMIntExpr*>(arg); |
524 |
|
VMVariable* out = dynamic_cast<VMVariable*>(arg); |
525 |
|
vmint i = in->evalInt() - 1; |
526 |
|
IntLiteral tmp({ |
527 |
|
.value = i, |
528 |
|
.unitFactor = in->unitFactor() |
529 |
|
}); |
530 |
|
out->assignExpr(&tmp); |
531 |
|
return successResult({ |
532 |
|
.value = i, |
533 |
|
.unitFactor = in->unitFactor() |
534 |
|
}); |
535 |
|
} |
536 |
|
|
537 |
|
/////////////////////////////////////////////////////////////////////////// |
538 |
|
// built-in script function: in_range() |
539 |
|
|
540 |
|
bool CoreVMFunction_in_range::acceptsArgType(vmint iArg, ExprType_t type) const { |
541 |
|
return type == INT_EXPR || type == REAL_EXPR; |
542 |
|
} |
543 |
|
|
544 |
|
void CoreVMFunction_in_range::checkArgs(VMFnArgs* args, |
545 |
|
std::function<void(String)> err, |
546 |
|
std::function<void(String)> wrn) |
547 |
|
{ |
548 |
|
// super class checks |
549 |
|
Super::checkArgs(args, err, wrn); |
550 |
|
|
551 |
|
// own checks ... |
552 |
|
if (args->arg(0)->asNumber()->unitType() != |
553 |
|
args->arg(1)->asNumber()->unitType() || |
554 |
|
args->arg(1)->asNumber()->unitType() != |
555 |
|
args->arg(2)->asNumber()->unitType()) |
556 |
|
{ |
557 |
|
String a = unitTypeStr(args->arg(0)->asNumber()->unitType()); |
558 |
|
String b = unitTypeStr(args->arg(1)->asNumber()->unitType()); |
559 |
|
String c = unitTypeStr(args->arg(2)->asNumber()->unitType()); |
560 |
|
err("Arguments must all have same unit, however argument 1 is " + a + |
561 |
|
", argument 2 is " + b + ", argument 3 is " + c + "."); |
562 |
|
return; |
563 |
|
} |
564 |
|
if (args->arg(0)->exprType() != args->arg(1)->exprType() || |
565 |
|
args->arg(1)->exprType() != args->arg(2)->exprType()) |
566 |
|
{ |
567 |
|
String a = typeStr(args->arg(0)->exprType()); |
568 |
|
String b = typeStr(args->arg(1)->exprType()); |
569 |
|
String c = typeStr(args->arg(2)->exprType()); |
570 |
|
String r = typeStr(REAL_EXPR); |
571 |
|
wrn("Argument 1 is " + a + ", argument 2 is " + b + |
572 |
|
", argument 3 is " + c + ", function result will be " + r + "."); |
573 |
|
} |
574 |
|
} |
575 |
|
|
576 |
|
template<class T> |
577 |
|
inline void _swapByValue(T& a, T& b) { |
578 |
|
T tmp = a; |
579 |
|
a = b; |
580 |
|
b = tmp; |
581 |
|
} |
582 |
|
|
583 |
|
VMFnResult* CoreVMFunction_in_range::exec(VMFnArgs* args) { |
584 |
|
VMNumberExpr* argNeedle = args->arg(0)->asNumber(); |
585 |
|
VMNumberExpr* argLo = args->arg(1)->asNumber(); |
586 |
|
VMNumberExpr* argHi = args->arg(2)->asNumber(); |
587 |
|
|
588 |
|
vmfloat needle = argNeedle->evalCastReal(); |
589 |
|
vmfloat lo = argLo->evalCastReal(); |
590 |
|
vmfloat hi = argHi->evalCastReal(); |
591 |
|
|
592 |
|
needle *= argNeedle->unitFactor(); |
593 |
|
lo *= argLo->unitFactor(); |
594 |
|
hi *= argHi->unitFactor(); |
595 |
|
|
596 |
|
if (lo > hi) _swapByValue(lo, hi); |
597 |
|
|
598 |
|
return successResult(needle >= lo && needle <= hi); |
599 |
|
} |
600 |
|
|
601 |
|
/////////////////////////////////////////////////////////////////////////// |
602 |
|
// built-in script function: sh_left() |
603 |
|
|
604 |
|
bool CoreVMFunction_sh_left::returnsFinal(VMFnArgs* args) { |
605 |
|
return args->arg(0)->asNumber()->isFinal(); |
606 |
|
} |
607 |
|
|
608 |
|
VMFnResult* CoreVMFunction_sh_left::exec(VMFnArgs* args) { |
609 |
|
vmint i = args->arg(0)->asInt()->evalInt(); |
610 |
|
vmint n = args->arg(1)->asInt()->evalInt(); |
611 |
|
return successResult(i << n); |
612 |
|
} |
613 |
|
|
614 |
|
/////////////////////////////////////////////////////////////////////////// |
615 |
|
// built-in script function: sh_right() |
616 |
|
|
617 |
|
bool CoreVMFunction_sh_right::returnsFinal(VMFnArgs* args) { |
618 |
|
return args->arg(0)->asNumber()->isFinal(); |
619 |
|
} |
620 |
|
|
621 |
|
VMFnResult* CoreVMFunction_sh_right::exec(VMFnArgs* args) { |
622 |
|
vmint i = args->arg(0)->asInt()->evalInt(); |
623 |
|
vmint n = args->arg(1)->asInt()->evalInt(); |
624 |
|
return successResult(i >> n); |
625 |
|
} |
626 |
|
|
627 |
|
/////////////////////////////////////////////////////////////////////////// |
628 |
|
// built-in script function: min() |
629 |
|
|
630 |
|
ExprType_t CoreVMFunction_min::returnType(VMFnArgs* args) { |
631 |
|
return (args->arg(0)->exprType() == REAL_EXPR || |
632 |
|
args->arg(1)->exprType() == REAL_EXPR) ? REAL_EXPR : INT_EXPR; |
633 |
|
} |
634 |
|
|
635 |
|
StdUnit_t CoreVMFunction_min::returnUnitType(VMFnArgs* args) { |
636 |
|
return args->arg(0)->asNumber()->unitType(); |
637 |
|
} |
638 |
|
|
639 |
|
bool CoreVMFunction_min::returnsFinal(VMFnArgs* args) { |
640 |
|
return args->arg(0)->asNumber()->isFinal() || |
641 |
|
args->arg(1)->asNumber()->isFinal(); |
642 |
|
} |
643 |
|
|
644 |
|
bool CoreVMFunction_min::acceptsArgType(vmint iArg, ExprType_t type) const { |
645 |
|
return type == INT_EXPR || type == REAL_EXPR; |
646 |
|
} |
647 |
|
|
648 |
|
void CoreVMFunction_min::checkArgs(VMFnArgs* args, |
649 |
|
std::function<void(String)> err, |
650 |
|
std::function<void(String)> wrn) |
651 |
|
{ |
652 |
|
// super class checks |
653 |
|
Super::checkArgs(args, err, wrn); |
654 |
|
|
655 |
|
// own checks ... |
656 |
|
if (args->arg(0)->asNumber()->unitType() != |
657 |
|
args->arg(1)->asNumber()->unitType()) |
658 |
|
{ |
659 |
|
String a = unitTypeStr(args->arg(0)->asNumber()->unitType()); |
660 |
|
String b = unitTypeStr(args->arg(1)->asNumber()->unitType()); |
661 |
|
err("Argument 1 has unit type " + a + ", whereas argument 2 has unit type " + b + "."); |
662 |
|
return; |
663 |
|
} |
664 |
|
if (args->arg(0)->exprType() != args->arg(1)->exprType()) { |
665 |
|
String a = typeStr(args->arg(0)->exprType()); |
666 |
|
String b = typeStr(args->arg(1)->exprType()); |
667 |
|
String c = typeStr(REAL_EXPR); |
668 |
|
wrn("Argument 1 is " + a + ", whereas argument 2 is " + b + ", function result will be " + c + "."); |
669 |
|
return; |
670 |
|
} |
671 |
|
if (args->arg(0)->asNumber()->isFinal() != |
672 |
|
args->arg(1)->asNumber()->isFinal()) |
673 |
|
{ |
674 |
|
String a = args->arg(0)->asNumber()->isFinal() ? "'final'" : "not 'final'"; |
675 |
|
String b = args->arg(1)->asNumber()->isFinal() ? "'final'" : "not 'final'"; |
676 |
|
wrn("Argument 1 is " + a + ", whereas argument 2 is " + b + ", function result will be final."); |
677 |
|
} |
678 |
|
} |
679 |
|
|
680 |
|
VMFnResult* CoreVMFunction_min::exec(VMFnArgs* args) { |
681 |
|
VMNumberExpr* lhs = args->arg(0)->asNumber(); |
682 |
|
VMNumberExpr* rhs = args->arg(1)->asNumber(); |
683 |
|
if (lhs->exprType() == REAL_EXPR && rhs->exprType() == REAL_EXPR) { |
684 |
|
vmfloat lm = lhs->asReal()->evalReal(); |
685 |
|
vmfloat rm = rhs->asReal()->evalReal(); |
686 |
|
vmfloat lprod = lm * lhs->unitFactor(); |
687 |
|
vmfloat rprod = rm * rhs->unitFactor(); |
688 |
|
return successRealResult({ |
689 |
|
.value = (lprod < rprod) ? lm : rm, |
690 |
|
.unitFactor = (lprod < rprod) ? lhs->unitFactor() : rhs->unitFactor() |
691 |
|
}); |
692 |
|
} else if (lhs->exprType() == REAL_EXPR && rhs->exprType() == INT_EXPR) { |
693 |
|
vmfloat lm = lhs->asReal()->evalReal(); |
694 |
|
vmint rm = rhs->asInt()->evalInt(); |
695 |
|
vmfloat lprod = lm * lhs->unitFactor(); |
696 |
|
vmfloat rprod = rm * rhs->unitFactor(); |
697 |
|
return successRealResult({ |
698 |
|
.value = (lprod < rprod) ? lm : rm, |
699 |
|
.unitFactor = (lprod < rprod) ? lhs->unitFactor() : rhs->unitFactor() |
700 |
|
}); |
701 |
|
} else if (lhs->exprType() == INT_EXPR && rhs->exprType() == REAL_EXPR) { |
702 |
|
vmint lm = lhs->asInt()->evalInt(); |
703 |
|
vmfloat rm = rhs->asReal()->evalReal(); |
704 |
|
vmfloat lprod = lm * lhs->unitFactor(); |
705 |
|
vmfloat rprod = rm * rhs->unitFactor(); |
706 |
|
return successRealResult({ |
707 |
|
.value = (lprod < rprod) ? lm : rm, |
708 |
|
.unitFactor = (lprod < rprod) ? lhs->unitFactor() : rhs->unitFactor() |
709 |
|
}); |
710 |
|
} else { |
711 |
|
vmint lm = lhs->asInt()->evalInt(); |
712 |
|
vmint rm = rhs->asInt()->evalInt(); |
713 |
|
vmfloat lprod = lm * lhs->unitFactor(); |
714 |
|
vmfloat rprod = rm * rhs->unitFactor(); |
715 |
|
return successIntResult({ |
716 |
|
.value = (lprod < rprod) ? lm : rm, |
717 |
|
.unitFactor = (lprod < rprod) ? lhs->unitFactor() : rhs->unitFactor() |
718 |
|
}); |
719 |
|
} |
720 |
|
} |
721 |
|
|
722 |
|
/////////////////////////////////////////////////////////////////////////// |
723 |
|
// built-in script function: max() |
724 |
|
|
725 |
|
ExprType_t CoreVMFunction_max::returnType(VMFnArgs* args) { |
726 |
|
return (args->arg(0)->exprType() == REAL_EXPR || |
727 |
|
args->arg(1)->exprType() == REAL_EXPR) ? REAL_EXPR : INT_EXPR; |
728 |
|
} |
729 |
|
|
730 |
|
StdUnit_t CoreVMFunction_max::returnUnitType(VMFnArgs* args) { |
731 |
|
return args->arg(0)->asNumber()->unitType(); |
732 |
|
} |
733 |
|
|
734 |
|
bool CoreVMFunction_max::returnsFinal(VMFnArgs* args) { |
735 |
|
return args->arg(0)->asNumber()->isFinal() || |
736 |
|
args->arg(1)->asNumber()->isFinal(); |
737 |
|
} |
738 |
|
|
739 |
|
bool CoreVMFunction_max::acceptsArgType(vmint iArg, ExprType_t type) const { |
740 |
|
return type == INT_EXPR || type == REAL_EXPR; |
741 |
|
} |
742 |
|
|
743 |
|
void CoreVMFunction_max::checkArgs(VMFnArgs* args, |
744 |
|
std::function<void(String)> err, |
745 |
|
std::function<void(String)> wrn) |
746 |
|
{ |
747 |
|
// super class checks |
748 |
|
Super::checkArgs(args, err, wrn); |
749 |
|
|
750 |
|
// own checks ... |
751 |
|
if (args->arg(0)->asNumber()->unitType() != |
752 |
|
args->arg(1)->asNumber()->unitType()) |
753 |
|
{ |
754 |
|
String a = unitTypeStr(args->arg(0)->asNumber()->unitType()); |
755 |
|
String b = unitTypeStr(args->arg(1)->asNumber()->unitType()); |
756 |
|
err("Argument 1 has unit type " + a + ", whereas argument 2 has unit type " + b + "."); |
757 |
|
return; |
758 |
|
} |
759 |
|
if (args->arg(0)->exprType() != args->arg(1)->exprType()) { |
760 |
|
String a = typeStr(args->arg(0)->exprType()); |
761 |
|
String b = typeStr(args->arg(1)->exprType()); |
762 |
|
String c = typeStr(REAL_EXPR); |
763 |
|
wrn("Argument 1 is " + a + ", whereas argument 2 is " + b + ", function result will be " + c + "."); |
764 |
|
return; |
765 |
|
} |
766 |
|
if (args->arg(0)->asNumber()->isFinal() != |
767 |
|
args->arg(1)->asNumber()->isFinal()) |
768 |
|
{ |
769 |
|
String a = args->arg(0)->asNumber()->isFinal() ? "'final'" : "not 'final'"; |
770 |
|
String b = args->arg(1)->asNumber()->isFinal() ? "'final'" : "not 'final'"; |
771 |
|
wrn("Argument 1 is " + a + ", whereas argument 2 is " + b + ", function result will be final."); |
772 |
|
} |
773 |
|
} |
774 |
|
|
775 |
|
VMFnResult* CoreVMFunction_max::exec(VMFnArgs* args) { |
776 |
|
VMNumberExpr* lhs = args->arg(0)->asNumber(); |
777 |
|
VMNumberExpr* rhs = args->arg(1)->asNumber(); |
778 |
|
if (lhs->exprType() == REAL_EXPR && rhs->exprType() == REAL_EXPR) { |
779 |
|
vmfloat lm = lhs->asReal()->evalReal(); |
780 |
|
vmfloat rm = rhs->asReal()->evalReal(); |
781 |
|
vmfloat lprod = lm * lhs->unitFactor(); |
782 |
|
vmfloat rprod = rm * rhs->unitFactor(); |
783 |
|
return successRealResult({ |
784 |
|
.value = (lprod > rprod) ? lm : rm, |
785 |
|
.unitFactor = (lprod > rprod) ? lhs->unitFactor() : rhs->unitFactor() |
786 |
|
}); |
787 |
|
} else if (lhs->exprType() == REAL_EXPR && rhs->exprType() == INT_EXPR) { |
788 |
|
vmfloat lm = lhs->asReal()->evalReal(); |
789 |
|
vmint rm = rhs->asInt()->evalInt(); |
790 |
|
vmfloat lprod = lm * lhs->unitFactor(); |
791 |
|
vmfloat rprod = rm * rhs->unitFactor(); |
792 |
|
return successRealResult({ |
793 |
|
.value = (lprod > rprod) ? lm : rm, |
794 |
|
.unitFactor = (lprod > rprod) ? lhs->unitFactor() : rhs->unitFactor() |
795 |
|
}); |
796 |
|
} else if (lhs->exprType() == INT_EXPR && rhs->exprType() == REAL_EXPR) { |
797 |
|
vmint lm = lhs->asInt()->evalInt(); |
798 |
|
vmfloat rm = rhs->asReal()->evalReal(); |
799 |
|
vmfloat lprod = lm * lhs->unitFactor(); |
800 |
|
vmfloat rprod = rm * rhs->unitFactor(); |
801 |
|
return successRealResult({ |
802 |
|
.value = (lprod > rprod) ? lm : rm, |
803 |
|
.unitFactor = (lprod > rprod) ? lhs->unitFactor() : rhs->unitFactor() |
804 |
|
}); |
805 |
|
} else { |
806 |
|
vmint lm = lhs->asInt()->evalInt(); |
807 |
|
vmint rm = rhs->asInt()->evalInt(); |
808 |
|
vmfloat lprod = lm * lhs->unitFactor(); |
809 |
|
vmfloat rprod = rm * rhs->unitFactor(); |
810 |
|
return successIntResult({ |
811 |
|
.value = (lprod > rprod) ? lm : rm, |
812 |
|
.unitFactor = (lprod > rprod) ? lhs->unitFactor() : rhs->unitFactor() |
813 |
|
}); |
814 |
|
} |
815 |
|
} |
816 |
|
|
817 |
|
/////////////////////////////////////////////////////////////////////////// |
818 |
|
// built-in script function: array_equal() |
819 |
|
|
820 |
|
bool CoreVMFunction_array_equal::acceptsArgType(vmint iArg, ExprType_t type) const { |
821 |
|
return isArray(type); |
822 |
|
} |
823 |
|
|
824 |
|
void CoreVMFunction_array_equal::checkArgs(VMFnArgs* args, |
825 |
|
std::function<void(String)> err, |
826 |
|
std::function<void(String)> wrn) |
827 |
|
{ |
828 |
|
// super class checks |
829 |
|
Super::checkArgs(args, err, wrn); |
830 |
|
|
831 |
|
// own checks ... |
832 |
|
if (args->arg(0)->exprType() != args->arg(1)->exprType()) { |
833 |
|
String a = typeStr(args->arg(0)->exprType()); |
834 |
|
String b = typeStr(args->arg(1)->exprType()); |
835 |
|
err("Argument 1 is " + a + ", whereas argument 2 is " + b + "."); |
836 |
|
return; |
837 |
|
} |
838 |
|
if (args->arg(0)->asArray()->arraySize() != |
839 |
|
args->arg(1)->asArray()->arraySize()) |
840 |
|
{ |
841 |
|
wrn("Result of function call is always false, since the passed two arrays were declared with different array sizes."); |
842 |
|
} |
843 |
|
} |
844 |
|
|
845 |
|
VMFnResult* CoreVMFunction_array_equal::exec(VMFnArgs* args) { |
846 |
|
VMArrayExpr* l = args->arg(0)->asArray(); |
847 |
|
VMArrayExpr* r = args->arg(1)->asArray(); |
848 |
|
if (l->arraySize() != r->arraySize()) { |
849 |
|
//wrnMsg("array_equal(): the two arrays differ in size"); |
850 |
|
return successResult(0); // false |
851 |
|
} |
852 |
|
const vmint n = l->arraySize(); |
853 |
|
// checkArgs() above ensured that we either have INT_ARR_EXPR on both sides |
854 |
|
// or REAL_ARR_EXPR on both sides, so we can simplify here (a bit) |
855 |
|
if (l->exprType() == INT_ARR_EXPR) { |
856 |
|
VMIntArrayExpr* lia = l->asIntArray(); |
857 |
|
VMIntArrayExpr* ria = r->asIntArray(); |
858 |
|
for (vmint i = 0; i < n; ++i) { |
859 |
|
vmint lvalue = lia->evalIntElement(i); |
860 |
|
vmint rvalue = ria->evalIntElement(i); |
861 |
|
vmfloat lfactor = lia->unitFactorOfElement(i); |
862 |
|
vmfloat rfactor = ria->unitFactorOfElement(i); |
863 |
|
if (lfactor == rfactor) { |
864 |
|
if (lvalue != rvalue) |
865 |
|
return successResult(0); // false |
866 |
|
else |
867 |
|
continue; |
868 |
|
} |
869 |
|
if (lfactor < rfactor) { |
870 |
|
if (lvalue != Unit::convIntToUnitFactor(rvalue, rfactor, lfactor)) |
871 |
|
return successResult(0); // false |
872 |
|
else |
873 |
|
continue; |
874 |
|
} else { |
875 |
|
if (rvalue != Unit::convIntToUnitFactor(lvalue, lfactor, rfactor)) |
876 |
|
return successResult(0); // false |
877 |
|
else |
878 |
|
continue; |
879 |
|
} |
880 |
|
} |
881 |
|
} else { |
882 |
|
VMRealArrayExpr* lra = l->asRealArray(); |
883 |
|
VMRealArrayExpr* rra = r->asRealArray(); |
884 |
|
for (vmint i = 0; i < n; ++i) { |
885 |
|
vmfloat lvalue = lra->evalRealElement(i); |
886 |
|
vmfloat rvalue = rra->evalRealElement(i); |
887 |
|
vmfloat lfactor = lra->unitFactorOfElement(i); |
888 |
|
vmfloat rfactor = rra->unitFactorOfElement(i); |
889 |
|
if (lfactor == rfactor) { |
890 |
|
if (!_fEqualX(lvalue, rvalue)) |
891 |
|
return successResult(0); // false |
892 |
|
else |
893 |
|
continue; |
894 |
|
} |
895 |
|
if (lfactor < rfactor) { |
896 |
|
if (!_fEqualX(lvalue, Unit::convRealToUnitFactor(rvalue, rfactor, lfactor))) |
897 |
|
return successResult(0); // false |
898 |
|
else |
899 |
|
continue; |
900 |
|
} else { |
901 |
|
if (!_fEqualX(rvalue, Unit::convRealToUnitFactor(lvalue, lfactor, rfactor))) |
902 |
|
return successResult(0); // false |
903 |
|
else |
904 |
|
continue; |
905 |
|
} |
906 |
|
} |
907 |
|
} |
908 |
|
return successResult(1); // true |
909 |
|
} |
910 |
|
|
911 |
|
/////////////////////////////////////////////////////////////////////////// |
912 |
|
// built-in script function: search() |
913 |
|
|
914 |
|
ExprType_t CoreVMFunction_search::argType(vmint iArg) const { |
915 |
|
return (iArg == 0) ? INT_ARR_EXPR : INT_EXPR; |
916 |
|
} |
917 |
|
|
918 |
|
bool CoreVMFunction_search::acceptsArgType(vmint iArg, ExprType_t type) const { |
919 |
|
if (iArg == 0) |
920 |
|
return isArray(type); |
921 |
|
else |
922 |
|
return type == INT_EXPR || type == REAL_EXPR; |
923 |
|
} |
924 |
|
|
925 |
|
void CoreVMFunction_search::checkArgs(VMFnArgs* args, |
926 |
|
std::function<void(String)> err, |
927 |
|
std::function<void(String)> wrn) |
928 |
|
{ |
929 |
|
// super class checks |
930 |
|
Super::checkArgs(args, err, wrn); |
931 |
|
|
932 |
|
// own checks ... |
933 |
|
if (args->arg(0)->exprType() == INT_ARR_EXPR && |
934 |
|
args->arg(1)->exprType() != INT_EXPR) |
935 |
|
{ |
936 |
|
String a = typeStr(INT_ARR_EXPR); |
937 |
|
String bIs = typeStr(args->arg(1)->exprType()); |
938 |
|
String bShould = typeStr(INT_EXPR); |
939 |
|
err("Argument 1 is " + a + ", hence argument 2 should be " + bShould + ", is " + bIs + " though."); |
940 |
|
return; |
941 |
|
} |
942 |
|
if (args->arg(0)->exprType() == REAL_ARR_EXPR && |
943 |
|
args->arg(1)->exprType() != REAL_EXPR) |
944 |
|
{ |
945 |
|
String a = typeStr(REAL_ARR_EXPR); |
946 |
|
String bIs = typeStr(args->arg(1)->exprType()); |
947 |
|
String bShould = typeStr(REAL_EXPR); |
948 |
|
err("Argument 1 is " + a + ", hence argument 2 should be " + bShould + ", is " + bIs + " though."); |
949 |
|
return; |
950 |
|
} |
951 |
|
} |
952 |
|
|
953 |
|
VMFnResult* CoreVMFunction_search::exec(VMFnArgs* args) { |
954 |
|
VMArrayExpr* a = args->arg(0)->asArray(); |
955 |
|
const vmint n = a->arraySize(); |
956 |
|
if (a->exprType() == INT_ARR_EXPR) { |
957 |
|
const vmint needle = args->arg(1)->asInt()->evalInt(); |
958 |
|
VMIntArrayExpr* intArray = a->asIntArray(); |
959 |
|
for (vmint i = 0; i < n; ++i) |
960 |
|
if (intArray->evalIntElement(i) == needle) |
961 |
|
return successResult(i); |
962 |
|
} else { // real array ... |
963 |
|
const vmfloat needle = args->arg(1)->asReal()->evalReal(); |
964 |
|
VMRealArrayExpr* realArray = a->asRealArray(); |
965 |
|
for (vmint i = 0; i < n; ++i) { |
966 |
|
const vmfloat value = realArray->evalRealElement(i); |
967 |
|
if (_fEqualX(value, needle)) |
968 |
|
return successResult(i); |
969 |
|
} |
970 |
|
} |
971 |
|
return successResult(-1); // not found |
972 |
|
} |
973 |
|
|
974 |
|
/////////////////////////////////////////////////////////////////////////// |
975 |
|
// built-in script function: sort() |
976 |
|
|
977 |
|
ExprType_t CoreVMFunction_sort::argType(vmint iArg) const { |
978 |
|
return (iArg == 0) ? INT_ARR_EXPR : INT_EXPR; |
979 |
|
} |
980 |
|
|
981 |
|
bool CoreVMFunction_sort::acceptsArgType(vmint iArg, ExprType_t type) const { |
982 |
|
if (iArg == 0) |
983 |
|
return isArray(type); |
984 |
|
else |
985 |
|
return type == INT_EXPR; |
986 |
|
} |
987 |
|
|
988 |
|
// The following structs and template classes act as adapters for allowing to |
989 |
|
// use std sort algorithms on our arrays. It might look a bit more complicated |
990 |
|
// than it ought to be, but there is one reason for the large amount of |
991 |
|
// 'adapter' code below: the STL std algorithms rely on 'lvalues' to do their |
992 |
|
// e.g. sorting) jobs, that is they expect containers to have 'localizeable' |
993 |
|
// data which essentially means their data should reside somewhere in memory and |
994 |
|
// directly be accessible (readable and writable) there, which is not the case |
995 |
|
// with our VM interfaces which actually always require virtual getter and |
996 |
|
// setter methods to be called instead. So we must emulate lvalues by custom |
997 |
|
// classes/structs which forward between our getters/setters and the lvalue |
998 |
|
// access operators used by the STL std algorithms. |
999 |
|
|
1000 |
|
struct IntArrayAccessor { |
1001 |
|
static inline vmint getPrimaryValue(VMIntArrayExpr* arr, vmint index) { |
1002 |
|
return arr->evalIntElement(index); |
1003 |
|
} |
1004 |
|
static inline void setPrimaryValue(VMIntArrayExpr* arr, vmint index, vmint value) { |
1005 |
|
arr->assignIntElement(index, value); |
1006 |
|
} |
1007 |
|
}; |
1008 |
|
|
1009 |
|
struct RealArrayAccessor { |
1010 |
|
static inline vmfloat getPrimaryValue(VMRealArrayExpr* arr, vmint index) { |
1011 |
|
return arr->evalRealElement(index); |
1012 |
|
} |
1013 |
|
static inline void setPrimaryValue(VMRealArrayExpr* arr, vmint index, vmfloat value) { |
1014 |
|
arr->assignRealElement(index, value); |
1015 |
|
} |
1016 |
|
}; |
1017 |
|
|
1018 |
|
template<class T_array> // i.e. T_array is either VMIntArrayExpr or VMRealArrayExpr |
1019 |
|
struct ArrElemPOD { |
1020 |
|
T_array* m_array; |
1021 |
|
vmint m_index; |
1022 |
|
}; |
1023 |
|
|
1024 |
|
// This class is used for temporary values by std::sort(). |
1025 |
|
template<class T_value> // i.e. T_value is either vmint or vmfloat |
1026 |
|
struct ScalarNmbrVal { |
1027 |
|
T_value primValue; |
1028 |
|
vmfloat unitFactor; |
1029 |
|
|
1030 |
|
inline bool operator<(const ScalarNmbrVal& other) const { |
1031 |
|
return getProdValue() < other.getProdValue(); |
1032 |
|
} |
1033 |
|
inline bool operator>(const ScalarNmbrVal& other) const { |
1034 |
|
return getProdValue() > other.getProdValue(); |
1035 |
|
} |
1036 |
|
inline vmfloat getProdValue() const { |
1037 |
|
// simple solution for both vmint and vmfloat, should be fine for just sorting |
1038 |
|
return primValue * unitFactor; |
1039 |
|
} |
1040 |
|
}; |
1041 |
|
|
1042 |
|
// This class emulates lvalue access (access by reference) which is used by ArrExprIter::operator*() below. |
1043 |
|
template<class T_array, // T_array is either VMIntArrayExpr or VMRealArrayExpr |
1044 |
|
class T_value, // T_value is either vmint or vmfloat |
1045 |
|
class T_accessor> // T_accessor is either IntArrayAccessor or RealArrayAccessor |
1046 |
|
class ArrElemRef : protected ArrElemPOD<T_array> { |
1047 |
|
public: |
1048 |
|
typedef ScalarNmbrVal<T_value> ScalarNmbrVal; |
1049 |
|
|
1050 |
|
inline ArrElemRef(T_array* a, vmint index) { |
1051 |
|
this->m_array = a; |
1052 |
|
this->m_index = index; |
1053 |
|
} |
1054 |
|
inline ArrElemRef(const ArrElemRef& ref) { |
1055 |
|
this->m_array = ref.m_array; |
1056 |
|
this->m_index = ref.m_index; |
1057 |
|
} |
1058 |
|
inline ArrElemRef& operator=(const ArrElemRef& e) { |
1059 |
|
setPrimValue(e.getPrimValue()); |
1060 |
|
setUnitFactor(e.getUnitFactor()); |
1061 |
|
return *this; |
1062 |
|
} |
1063 |
|
inline ArrElemRef& operator=(ScalarNmbrVal value) { |
1064 |
|
setPrimValue(value.primValue); |
1065 |
|
setUnitFactor(value.unitFactor); |
1066 |
|
return *this; |
1067 |
|
} |
1068 |
|
inline bool operator==(const ArrElemRef& e) const { |
1069 |
|
return getProdValue() == e.getProdValue(); |
1070 |
|
} |
1071 |
|
inline bool operator!=(const ArrElemRef& e) const { |
1072 |
|
return !(operator==(e)); |
1073 |
|
} |
1074 |
|
inline bool operator<(const ArrElemRef& e) const { |
1075 |
|
return getProdValue() < e.getProdValue(); |
1076 |
|
} |
1077 |
|
inline bool operator>(const ArrElemRef& e) const { |
1078 |
|
return getProdValue() > e.getProdValue(); |
1079 |
|
} |
1080 |
|
inline bool operator<=(const ArrElemRef& e) const { |
1081 |
|
return getProdValue() <= e.getProdValue(); |
1082 |
|
} |
1083 |
|
inline bool operator>=(const ArrElemRef& e) const { |
1084 |
|
return getProdValue() >= e.getProdValue(); |
1085 |
|
} |
1086 |
|
inline bool operator==(const ScalarNmbrVal& s) const { |
1087 |
|
return getProdValue() == s.getProdValue(); |
1088 |
|
} |
1089 |
|
inline bool operator!=(const ScalarNmbrVal& s) const { |
1090 |
|
return !(operator==(s)); |
1091 |
|
} |
1092 |
|
inline bool operator<(const ScalarNmbrVal& s) const { |
1093 |
|
return getProdValue() < s.getProdValue(); |
1094 |
|
} |
1095 |
|
inline bool operator>(const ScalarNmbrVal& s) const { |
1096 |
|
return getProdValue() > s.getProdValue(); |
1097 |
|
} |
1098 |
|
inline bool operator<=(const ScalarNmbrVal& s) const { |
1099 |
|
return getProdValue() <= s.getProdValue(); |
1100 |
|
} |
1101 |
|
inline bool operator>=(const ScalarNmbrVal& s) const { |
1102 |
|
return getProdValue() >= s.getProdValue(); |
1103 |
|
} |
1104 |
|
inline operator ScalarNmbrVal() { |
1105 |
|
return { |
1106 |
|
.primValue = getPrimValue() , |
1107 |
|
.unitFactor = getUnitFactor() |
1108 |
|
}; |
1109 |
|
} |
1110 |
|
protected: |
1111 |
|
inline T_value getPrimValue() const { |
1112 |
|
return T_accessor::getPrimaryValue( this->m_array, this->m_index ); |
1113 |
|
} |
1114 |
|
inline void setPrimValue(T_value value) { |
1115 |
|
T_accessor::setPrimaryValue( this->m_array, this->m_index, value ); |
1116 |
|
} |
1117 |
|
inline vmfloat getUnitFactor() const { |
1118 |
|
return this->m_array->unitFactorOfElement(this->m_index); |
1119 |
|
} |
1120 |
|
inline void setUnitFactor(vmfloat factor) { |
1121 |
|
this->m_array->assignElementUnitFactor(this->m_index, factor); |
1122 |
|
} |
1123 |
|
inline vmfloat getProdValue() const { |
1124 |
|
// simple solution for both vmint and vmfloat, should be fine for just sorting |
1125 |
|
vmfloat primary = (vmfloat) getPrimValue(); |
1126 |
|
vmfloat factor = getUnitFactor(); |
1127 |
|
return primary * factor; |
1128 |
|
} |
1129 |
|
|
1130 |
|
// allow swap() functions below to access protected methods here |
1131 |
|
friend void swap(class ArrElemRef<T_array,T_value,T_accessor> a, |
1132 |
|
class ArrElemRef<T_array,T_value,T_accessor> b); |
1133 |
|
}; |
1134 |
|
|
1135 |
|
// custom iterator class to be used by std:sort() on our VM arrays |
1136 |
|
template<class T_array, class T_value, class T_accessor> |
1137 |
|
class ArrExprIter : public ArrElemPOD<T_array> { |
1138 |
|
public: |
1139 |
|
typedef std::random_access_iterator_tag iterator_category; |
1140 |
|
typedef ssize_t difference_type; |
1141 |
|
typedef ArrElemRef<T_array, T_value, T_accessor> ArrElemRef; |
1142 |
|
typedef ArrElemRef reference; // type used by STL for access by reference |
1143 |
|
typedef void pointer; // type used by STL for -> operator result, we don't use that operator at all so just void it |
1144 |
|
typedef ScalarNmbrVal<T_value> value_type; // type used by STL for temporary values |
1145 |
|
|
1146 |
|
ArrExprIter(T_array* a, vmint index) { |
1147 |
|
this->m_array = a; |
1148 |
|
this->m_index = index; |
1149 |
|
} |
1150 |
|
ArrExprIter(const ArrElemRef& ref) { |
1151 |
|
this->m_array = ref.m_array; |
1152 |
|
this->m_index = ref.m_index; |
1153 |
|
} |
1154 |
|
inline ArrElemRef operator*() { |
1155 |
|
return ArrElemRef(this->m_array, this->m_index); |
1156 |
|
} |
1157 |
|
inline ArrExprIter& operator++() { // prefix increment |
1158 |
|
++(this->m_index); |
1159 |
|
return *this; |
1160 |
|
} |
1161 |
|
inline ArrExprIter& operator--() { // prefix decrement |
1162 |
|
--(this->m_index); |
1163 |
|
return *this; |
1164 |
|
} |
1165 |
|
inline ArrExprIter operator++(int) { // postfix increment |
1166 |
|
ArrExprIter it = *this; |
1167 |
|
++(this->m_index); |
1168 |
|
return it; |
1169 |
|
} |
1170 |
|
inline ArrExprIter operator--(int) { // postfix decrement |
1171 |
|
ArrExprIter it = *this; |
1172 |
|
--(this->m_index); |
1173 |
|
return it; |
1174 |
|
} |
1175 |
|
inline ArrExprIter& operator+=(difference_type d) { |
1176 |
|
this->m_index += d; |
1177 |
|
return *this; |
1178 |
|
} |
1179 |
|
inline ArrExprIter& operator-=(difference_type d) { |
1180 |
|
this->m_index -= d; |
1181 |
|
return *this; |
1182 |
|
} |
1183 |
|
inline bool operator==(const ArrExprIter& other) const { |
1184 |
|
return this->m_index == other.m_index; |
1185 |
|
} |
1186 |
|
inline bool operator!=(const ArrExprIter& other) const { |
1187 |
|
return this->m_index != other.m_index; |
1188 |
|
} |
1189 |
|
inline bool operator<(const ArrExprIter& other) const { |
1190 |
|
return this->m_index < other.m_index; |
1191 |
|
} |
1192 |
|
inline bool operator>(const ArrExprIter& other) const { |
1193 |
|
return this->m_index > other.m_index; |
1194 |
|
} |
1195 |
|
inline bool operator<=(const ArrExprIter& other) const { |
1196 |
|
return this->m_index <= other.m_index; |
1197 |
|
} |
1198 |
|
inline bool operator>=(const ArrExprIter& other) const { |
1199 |
|
return this->m_index >= other.m_index; |
1200 |
|
} |
1201 |
|
inline difference_type operator+(const ArrExprIter& other) const { |
1202 |
|
return this->m_index + other.m_index; |
1203 |
|
} |
1204 |
|
inline difference_type operator-(const ArrExprIter& other) const { |
1205 |
|
return this->m_index - other.m_index; |
1206 |
|
} |
1207 |
|
inline ArrExprIter operator-(difference_type d) const { |
1208 |
|
return ArrExprIter(this->m_array, this->m_index - d); |
1209 |
|
} |
1210 |
|
inline ArrExprIter operator+(difference_type d) const { |
1211 |
|
return ArrExprIter(this->m_array, this->m_index + d); |
1212 |
|
} |
1213 |
|
inline ArrExprIter operator*(difference_type factor) const { |
1214 |
|
return ArrExprIter(this->m_array, this->m_index * factor); |
1215 |
|
} |
1216 |
|
}; |
1217 |
|
|
1218 |
|
typedef ArrExprIter<VMIntArrayExpr,vmint,IntArrayAccessor> IntArrExprIter; |
1219 |
|
typedef ArrExprIter<VMRealArrayExpr,vmfloat,RealArrayAccessor> RealArrExprIter; |
1220 |
|
|
1221 |
|
// intentionally not a template function to avoid potential clashes with other (i.e. system's) swap() functions |
1222 |
|
static inline void swap(IntArrExprIter::ArrElemRef a, |
1223 |
|
IntArrExprIter::ArrElemRef b) |
1224 |
|
{ |
1225 |
|
vmint valueA = a.getPrimValue(); |
1226 |
|
vmint valueB = b.getPrimValue(); |
1227 |
|
vmfloat factorA = a.getUnitFactor(); |
1228 |
|
vmfloat factorB = b.getUnitFactor(); |
1229 |
|
a.setPrimValue(valueB); |
1230 |
|
a.setUnitFactor(factorB); |
1231 |
|
b.setPrimValue(valueA); |
1232 |
|
b.setUnitFactor(factorA); |
1233 |
|
} |
1234 |
|
|
1235 |
|
// intentionally not a template function to avoid potential clashes with other (i.e. system's) swap() functions |
1236 |
|
static inline void swap(RealArrExprIter::ArrElemRef a, |
1237 |
|
RealArrExprIter::ArrElemRef b) |
1238 |
|
{ |
1239 |
|
vmfloat valueA = a.getPrimValue(); |
1240 |
|
vmfloat valueB = b.getPrimValue(); |
1241 |
|
vmfloat factorA = a.getUnitFactor(); |
1242 |
|
vmfloat factorB = b.getUnitFactor(); |
1243 |
|
a.setPrimValue(valueB); |
1244 |
|
a.setUnitFactor(factorB); |
1245 |
|
b.setPrimValue(valueA); |
1246 |
|
b.setUnitFactor(factorA); |
1247 |
|
} |
1248 |
|
|
1249 |
|
// used to sort in descending order (unlike the default behaviour of std::sort() which is ascending order) |
1250 |
|
template<class T> // T is either IntArrExprIter or RealArrExprIter |
1251 |
|
struct DescArrExprSorter { |
1252 |
|
inline bool operator()(const typename T::value_type a, const typename T::value_type b) const { |
1253 |
|
return a > b; |
1254 |
|
} |
1255 |
|
}; |
1256 |
|
|
1257 |
|
VMFnResult* CoreVMFunction_sort::exec(VMFnArgs* args) { |
1258 |
|
const bool bAscending = |
1259 |
|
(args->argsCount() < 2) ? true : !args->arg(1)->asInt()->evalInt(); |
1260 |
|
|
1261 |
|
if (args->arg(0)->exprType() == INT_ARR_EXPR) { |
1262 |
|
VMIntArrayExpr* a = args->arg(0)->asIntArray(); |
1263 |
|
vmint n = a->arraySize(); |
1264 |
|
IntArrExprIter itBegin(a, 0); |
1265 |
|
IntArrExprIter itEnd(a, n); |
1266 |
|
if (bAscending) { |
1267 |
|
std::sort(itBegin, itEnd); |
1268 |
|
} else { |
1269 |
|
DescArrExprSorter<IntArrExprIter> sorter; |
1270 |
|
std::sort(itBegin, itEnd, sorter); |
1271 |
|
} |
1272 |
|
} else { |
1273 |
|
VMRealArrayExpr* a = args->arg(0)->asRealArray(); |
1274 |
|
vmint n = a->arraySize(); |
1275 |
|
RealArrExprIter itBegin(a, 0); |
1276 |
|
RealArrExprIter itEnd(a, n); |
1277 |
|
if (bAscending) { |
1278 |
|
std::sort(itBegin, itEnd); |
1279 |
|
} else { |
1280 |
|
DescArrExprSorter<RealArrExprIter> sorter; |
1281 |
|
std::sort(itBegin, itEnd, sorter); |
1282 |
|
} |
1283 |
|
} |
1284 |
|
|
1285 |
|
return successResult(); |
1286 |
|
} |
1287 |
|
|
1288 |
|
/////////////////////////////////////////////////////////////////////////// |
1289 |
|
// built-in script function: real_to_int() and int() |
1290 |
|
|
1291 |
|
StdUnit_t CoreVMFunction_real_to_int::returnUnitType(VMFnArgs* args) { |
1292 |
|
return args->arg(0)->asNumber()->unitType(); |
1293 |
|
} |
1294 |
|
|
1295 |
|
bool CoreVMFunction_real_to_int::returnsFinal(VMFnArgs* args) { |
1296 |
|
return args->arg(0)->asNumber()->isFinal(); |
1297 |
|
} |
1298 |
|
|
1299 |
|
VMFnResult* CoreVMFunction_real_to_int::exec(VMFnArgs* args) { |
1300 |
|
VMRealExpr* realExpr = args->arg(0)->asReal(); |
1301 |
|
vmfloat f = realExpr->evalReal(); |
1302 |
|
return successResult({ |
1303 |
|
.value = vmint(f), |
1304 |
|
.unitFactor = realExpr->unitFactor() |
1305 |
|
}); |
1306 |
|
} |
1307 |
|
|
1308 |
|
/////////////////////////////////////////////////////////////////////////// |
1309 |
|
// built-in script function: int_to_real() and real() |
1310 |
|
|
1311 |
|
StdUnit_t CoreVMFunction_int_to_real::returnUnitType(VMFnArgs* args) { |
1312 |
|
return args->arg(0)->asNumber()->unitType(); |
1313 |
|
} |
1314 |
|
|
1315 |
|
bool CoreVMFunction_int_to_real::returnsFinal(VMFnArgs* args) { |
1316 |
|
return args->arg(0)->asNumber()->isFinal(); |
1317 |
|
} |
1318 |
|
|
1319 |
|
VMFnResult* CoreVMFunction_int_to_real::exec(VMFnArgs* args) { |
1320 |
|
VMIntExpr* intExpr = args->arg(0)->asInt(); |
1321 |
|
vmint i = intExpr->evalInt(); |
1322 |
|
return successResult({ |
1323 |
|
.value = vmfloat(i), |
1324 |
|
.unitFactor = intExpr->unitFactor() |
1325 |
|
}); |
1326 |
} |
} |
1327 |
|
|
1328 |
} // namespace LinuxSampler |
} // namespace LinuxSampler |