1 |
/* |
/* |
2 |
* Copyright (c) 2014-2015 Christian Schoenebeck |
* Copyright (c) 2014-2019 Christian Schoenebeck |
3 |
* |
* |
4 |
* http://www.linuxsampler.org |
* http://www.linuxsampler.org |
5 |
* |
* |
10 |
#include "CoreVMFunctions.h" |
#include "CoreVMFunctions.h" |
11 |
|
|
12 |
#include <iostream> |
#include <iostream> |
13 |
|
#include <algorithm> // for std::sort() |
14 |
#include <math.h> |
#include <math.h> |
15 |
#include <stdlib.h> |
#include <stdlib.h> |
16 |
#include "tree.h" |
#include "tree.h" |
17 |
#include "ScriptVM.h" |
#include "ScriptVM.h" |
18 |
|
#include "../common/RTMath.h" |
19 |
|
|
20 |
namespace LinuxSampler { |
namespace LinuxSampler { |
21 |
|
|
35 |
/////////////////////////////////////////////////////////////////////////// |
/////////////////////////////////////////////////////////////////////////// |
36 |
// class VMIntResultFunction |
// class VMIntResultFunction |
37 |
|
|
38 |
VMFnResult* VMIntResultFunction::errorResult(int i) { |
VMFnResult* VMIntResultFunction::errorResult(vmint i) { |
39 |
result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
40 |
result.value = i; |
result.value = i; |
41 |
return &result; |
return &result; |
42 |
} |
} |
43 |
|
|
44 |
VMFnResult* VMIntResultFunction::successResult(int i) { |
VMFnResult* VMIntResultFunction::successResult(vmint i) { |
45 |
result.flags = STMT_SUCCESS; |
result.flags = STMT_SUCCESS; |
46 |
result.value = i; |
result.value = i; |
47 |
return &result; |
return &result; |
65 |
/////////////////////////////////////////////////////////////////////////// |
/////////////////////////////////////////////////////////////////////////// |
66 |
// built-in script function: message() |
// built-in script function: message() |
67 |
|
|
68 |
bool CoreVMFunction_message::acceptsArgType(int iArg, ExprType_t type) const { |
bool CoreVMFunction_message::acceptsArgType(vmint iArg, ExprType_t type) const { |
69 |
return type == INT_EXPR || type == STRING_EXPR; |
return type == INT_EXPR || type == STRING_EXPR; |
70 |
} |
} |
71 |
|
|
72 |
VMFnResult* CoreVMFunction_message::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_message::exec(VMFnArgs* args) { |
73 |
if (!args->argsCount()) return errorResult(); |
if (!args->argsCount()) return errorResult(); |
74 |
|
|
75 |
|
uint64_t usecs = RTMath::unsafeMicroSeconds(RTMath::real_clock); |
76 |
|
|
77 |
VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(args->arg(0)); |
VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(args->arg(0)); |
78 |
if (strExpr) { |
if (strExpr) { |
79 |
std::cout << "[ScriptVM] " << strExpr->evalStr() << "\n"; |
printf("[ScriptVM %.3f] %s\n", usecs/1000000.f, strExpr->evalStr().c_str()); |
80 |
return successResult(); |
return successResult(); |
81 |
} |
} |
82 |
|
|
83 |
VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(args->arg(0)); |
VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(args->arg(0)); |
84 |
if (intExpr) { |
if (intExpr) { |
85 |
std::cout << "[ScriptVM] " << intExpr->evalInt() << "\n"; |
printf("[ScriptVM %.3f] %lld\n", usecs/1000000.f, (int64_t)intExpr->evalInt()); |
86 |
return successResult(); |
return successResult(); |
87 |
} |
} |
88 |
|
|
92 |
/////////////////////////////////////////////////////////////////////////// |
/////////////////////////////////////////////////////////////////////////// |
93 |
// built-in script function: exit() |
// built-in script function: exit() |
94 |
|
|
95 |
|
vmint CoreVMFunction_exit::maxAllowedArgs() const { |
96 |
|
return (vm->isExitResultEnabled()) ? 1 : 0; |
97 |
|
} |
98 |
|
|
99 |
|
bool CoreVMFunction_exit::acceptsArgType(vmint iArg, ExprType_t type) const { |
100 |
|
if (!vm->isExitResultEnabled()) return false; |
101 |
|
return type == INT_EXPR || type == STRING_EXPR; |
102 |
|
} |
103 |
|
|
104 |
VMFnResult* CoreVMFunction_exit::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_exit::exec(VMFnArgs* args) { |
105 |
this->result.flags = STMT_ABORT_SIGNALLED; |
this->result.flags = STMT_ABORT_SIGNALLED; |
106 |
|
if (vm->isExitResultEnabled() && args->argsCount()) { |
107 |
|
ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext()); |
108 |
|
switch (args->arg(0)->exprType()) { |
109 |
|
case INT_EXPR: |
110 |
|
ctx->exitRes.intLiteral.value = args->arg(0)->asInt()->evalInt(); |
111 |
|
ctx->exitRes.value = &ctx->exitRes.intLiteral; |
112 |
|
break; |
113 |
|
case STRING_EXPR: |
114 |
|
ctx->exitRes.stringLiteral.value = args->arg(0)->asString()->evalStr(); |
115 |
|
ctx->exitRes.value = &ctx->exitRes.stringLiteral; |
116 |
|
break; |
117 |
|
default: |
118 |
|
; // noop - just to shut up the compiler |
119 |
|
} |
120 |
|
} |
121 |
return &result; |
return &result; |
122 |
} |
} |
123 |
|
|
124 |
/////////////////////////////////////////////////////////////////////////// |
/////////////////////////////////////////////////////////////////////////// |
125 |
// built-in script function: wait() |
// built-in script function: wait() |
126 |
|
|
127 |
|
bool CoreVMFunction_wait::acceptsArgUnitType(vmint iArg, StdUnit_t type) const { |
128 |
|
if (iArg == 0) |
129 |
|
return type == VM_NO_UNIT || type == VM_SECOND; |
130 |
|
else |
131 |
|
return type == VM_NO_UNIT; |
132 |
|
} |
133 |
|
|
134 |
|
bool CoreVMFunction_wait::acceptsArgUnitPrefix(vmint iArg, StdUnit_t type) const { |
135 |
|
return iArg == 0 && type == VM_SECOND; |
136 |
|
} |
137 |
|
|
138 |
VMFnResult* CoreVMFunction_wait::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_wait::exec(VMFnArgs* args) { |
139 |
ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext()); |
ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext()); |
140 |
VMIntExpr* expr = dynamic_cast<VMIntExpr*>(args->arg(0)); |
VMIntExpr* expr = dynamic_cast<VMIntExpr*>(args->arg(0)); |
141 |
int us = expr->evalInt(); |
StdUnit_t unit = expr->unitType(); |
142 |
|
vmint us = (unit) ? expr->evalInt(VM_MICRO) : expr->evalInt(); |
143 |
if (us < 0) { |
if (us < 0) { |
144 |
wrnMsg("wait(): argument may not be negative! Aborting script!"); |
wrnMsg("wait(): argument may not be negative! Aborting script!"); |
145 |
this->result.flags = STMT_ABORT_SIGNALLED; |
this->result.flags = STMT_ABORT_SIGNALLED; |
156 |
/////////////////////////////////////////////////////////////////////////// |
/////////////////////////////////////////////////////////////////////////// |
157 |
// built-in script function: abs() |
// built-in script function: abs() |
158 |
|
|
159 |
bool CoreVMFunction_abs::acceptsArgType(int iArg, ExprType_t type) const { |
bool CoreVMFunction_abs::acceptsArgType(vmint iArg, ExprType_t type) const { |
160 |
return type == INT_EXPR; |
return type == INT_EXPR; |
161 |
} |
} |
162 |
|
|
167 |
/////////////////////////////////////////////////////////////////////////// |
/////////////////////////////////////////////////////////////////////////// |
168 |
// built-in script function: random() |
// built-in script function: random() |
169 |
|
|
170 |
bool CoreVMFunction_random::acceptsArgType(int iArg, ExprType_t type) const { |
bool CoreVMFunction_random::acceptsArgType(vmint iArg, ExprType_t type) const { |
171 |
return type == INT_EXPR; |
return type == INT_EXPR; |
172 |
} |
} |
173 |
|
|
174 |
VMFnResult* CoreVMFunction_random::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_random::exec(VMFnArgs* args) { |
175 |
int iMin = args->arg(0)->asInt()->evalInt(); |
vmint iMin = args->arg(0)->asInt()->evalInt(); |
176 |
int iMax = args->arg(1)->asInt()->evalInt(); |
vmint iMax = args->arg(1)->asInt()->evalInt(); |
177 |
float f = float(::rand()) / float(RAND_MAX); |
float f = float(::rand()) / float(RAND_MAX); |
178 |
return successResult( |
return successResult( |
179 |
iMin + roundf( f * float(iMax - iMin) ) |
iMin + roundf( f * float(iMax - iMin) ) |
183 |
/////////////////////////////////////////////////////////////////////////// |
/////////////////////////////////////////////////////////////////////////// |
184 |
// built-in script function: num_elements() |
// built-in script function: num_elements() |
185 |
|
|
186 |
bool CoreVMFunction_num_elements::acceptsArgType(int iArg, ExprType_t type) const { |
bool CoreVMFunction_num_elements::acceptsArgType(vmint iArg, ExprType_t type) const { |
187 |
return type == INT_ARR_EXPR; |
return type == INT_ARR_EXPR; |
188 |
} |
} |
189 |
|
|
199 |
VMIntExpr* in = dynamic_cast<VMIntExpr*>(arg); |
VMIntExpr* in = dynamic_cast<VMIntExpr*>(arg); |
200 |
VMVariable* out = dynamic_cast<VMVariable*>(arg); |
VMVariable* out = dynamic_cast<VMVariable*>(arg); |
201 |
if (!in || !out) successResult(0); |
if (!in || !out) successResult(0); |
202 |
int i = in->evalInt() + 1; |
vmint i = in->evalInt() + 1; |
203 |
IntLiteral tmp(i); |
IntLiteral tmp(i); |
204 |
out->assignExpr(&tmp); |
out->assignExpr(&tmp); |
205 |
return successResult(i); |
return successResult(i); |
213 |
VMIntExpr* in = dynamic_cast<VMIntExpr*>(arg); |
VMIntExpr* in = dynamic_cast<VMIntExpr*>(arg); |
214 |
VMVariable* out = dynamic_cast<VMVariable*>(arg); |
VMVariable* out = dynamic_cast<VMVariable*>(arg); |
215 |
if (!in || !out) successResult(0); |
if (!in || !out) successResult(0); |
216 |
int i = in->evalInt() - 1; |
vmint i = in->evalInt() - 1; |
217 |
IntLiteral tmp(i); |
IntLiteral tmp(i); |
218 |
out->assignExpr(&tmp); |
out->assignExpr(&tmp); |
219 |
return successResult(i); |
return successResult(i); |
220 |
} |
} |
221 |
|
|
222 |
/////////////////////////////////////////////////////////////////////////// |
/////////////////////////////////////////////////////////////////////////// |
223 |
|
// built-in script function: in_range() |
224 |
|
|
225 |
|
VMFnResult* CoreVMFunction_in_range::exec(VMFnArgs* args) { |
226 |
|
vmint i = args->arg(0)->asInt()->evalInt(); |
227 |
|
vmint lo = args->arg(1)->asInt()->evalInt(); |
228 |
|
vmint hi = args->arg(2)->asInt()->evalInt(); |
229 |
|
if (lo > hi) { // swap lo and hi |
230 |
|
vmint tmp = lo; |
231 |
|
lo = hi; |
232 |
|
hi = tmp; |
233 |
|
} |
234 |
|
return successResult(i >= lo && i <= hi); |
235 |
|
} |
236 |
|
|
237 |
|
/////////////////////////////////////////////////////////////////////////// |
238 |
// built-in script function: sh_left() |
// built-in script function: sh_left() |
239 |
|
|
240 |
VMFnResult* CoreVMFunction_sh_left::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_sh_left::exec(VMFnArgs* args) { |
241 |
int i = args->arg(0)->asInt()->evalInt(); |
vmint i = args->arg(0)->asInt()->evalInt(); |
242 |
int n = args->arg(1)->asInt()->evalInt(); |
vmint n = args->arg(1)->asInt()->evalInt(); |
243 |
return successResult(i << n); |
return successResult(i << n); |
244 |
} |
} |
245 |
|
|
247 |
// built-in script function: sh_right() |
// built-in script function: sh_right() |
248 |
|
|
249 |
VMFnResult* CoreVMFunction_sh_right::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_sh_right::exec(VMFnArgs* args) { |
250 |
int i = args->arg(0)->asInt()->evalInt(); |
vmint i = args->arg(0)->asInt()->evalInt(); |
251 |
int n = args->arg(1)->asInt()->evalInt(); |
vmint n = args->arg(1)->asInt()->evalInt(); |
252 |
return successResult(i >> n); |
return successResult(i >> n); |
253 |
} |
} |
254 |
|
|
256 |
// built-in script function: min() |
// built-in script function: min() |
257 |
|
|
258 |
VMFnResult* CoreVMFunction_min::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_min::exec(VMFnArgs* args) { |
259 |
int l = args->arg(0)->asInt()->evalInt(); |
vmint l = args->arg(0)->asInt()->evalInt(); |
260 |
int r = args->arg(1)->asInt()->evalInt(); |
vmint r = args->arg(1)->asInt()->evalInt(); |
261 |
return successResult(l < r ? l : r); |
return successResult(l < r ? l : r); |
262 |
} |
} |
263 |
|
|
265 |
// built-in script function: max() |
// built-in script function: max() |
266 |
|
|
267 |
VMFnResult* CoreVMFunction_max::exec(VMFnArgs* args) { |
VMFnResult* CoreVMFunction_max::exec(VMFnArgs* args) { |
268 |
int l = args->arg(0)->asInt()->evalInt(); |
vmint l = args->arg(0)->asInt()->evalInt(); |
269 |
int r = args->arg(1)->asInt()->evalInt(); |
vmint r = args->arg(1)->asInt()->evalInt(); |
270 |
return successResult(l > r ? l : r); |
return successResult(l > r ? l : r); |
271 |
} |
} |
272 |
|
|
273 |
|
/////////////////////////////////////////////////////////////////////////// |
274 |
|
// built-in script function: array_equal() |
275 |
|
|
276 |
|
VMFnResult* CoreVMFunction_array_equal::exec(VMFnArgs* args) { |
277 |
|
VMIntArrayExpr* l = args->arg(0)->asIntArray(); |
278 |
|
VMIntArrayExpr* r = args->arg(1)->asIntArray(); |
279 |
|
if (l->arraySize() != r->arraySize()) { |
280 |
|
wrnMsg("array_equal(): the two arrays differ in size"); |
281 |
|
return successResult(0); // false |
282 |
|
} |
283 |
|
const vmint n = l->arraySize(); |
284 |
|
for (vmint i = 0; i < n; ++i) |
285 |
|
if (l->evalIntElement(i) != r->evalIntElement(i)) |
286 |
|
return successResult(0); // false |
287 |
|
return successResult(1); // true |
288 |
|
} |
289 |
|
|
290 |
|
/////////////////////////////////////////////////////////////////////////// |
291 |
|
// built-in script function: search() |
292 |
|
|
293 |
|
ExprType_t CoreVMFunction_search::argType(vmint iArg) const { |
294 |
|
return (iArg == 0) ? INT_ARR_EXPR : INT_EXPR; |
295 |
|
} |
296 |
|
|
297 |
|
bool CoreVMFunction_search::acceptsArgType(vmint iArg, ExprType_t type) const { |
298 |
|
if (iArg == 0) |
299 |
|
return type == INT_ARR_EXPR; |
300 |
|
else |
301 |
|
return type == INT_EXPR; |
302 |
|
} |
303 |
|
|
304 |
|
VMFnResult* CoreVMFunction_search::exec(VMFnArgs* args) { |
305 |
|
VMIntArrayExpr* a = args->arg(0)->asIntArray(); |
306 |
|
const vmint needle = args->arg(1)->asInt()->evalInt(); |
307 |
|
const vmint n = a->arraySize(); |
308 |
|
for (vmint i = 0; i < n; ++i) |
309 |
|
if (a->evalIntElement(i) == needle) |
310 |
|
return successResult(i); |
311 |
|
return successResult(-1); // not found |
312 |
|
} |
313 |
|
|
314 |
|
/////////////////////////////////////////////////////////////////////////// |
315 |
|
// built-in script function: sort() |
316 |
|
|
317 |
|
ExprType_t CoreVMFunction_sort::argType(vmint iArg) const { |
318 |
|
return (iArg == 0) ? INT_ARR_EXPR : INT_EXPR; |
319 |
|
} |
320 |
|
|
321 |
|
bool CoreVMFunction_sort::acceptsArgType(vmint iArg, ExprType_t type) const { |
322 |
|
if (iArg == 0) |
323 |
|
return type == INT_ARR_EXPR; |
324 |
|
else |
325 |
|
return type == INT_EXPR; |
326 |
|
} |
327 |
|
|
328 |
|
struct ArrElemPOD { |
329 |
|
VMIntArrayExpr* m_array; |
330 |
|
vmint m_index; |
331 |
|
}; |
332 |
|
|
333 |
|
static inline void swap(class ArrElemRef a, class ArrElemRef b); |
334 |
|
|
335 |
|
class ArrElemRef : protected ArrElemPOD { |
336 |
|
public: |
337 |
|
ArrElemRef() { |
338 |
|
m_array = NULL; |
339 |
|
m_index = 0; |
340 |
|
} |
341 |
|
ArrElemRef(VMIntArrayExpr* a, vmint index) { |
342 |
|
m_array = a; |
343 |
|
m_index = index; |
344 |
|
} |
345 |
|
inline ArrElemRef& operator=(const ArrElemRef& e) { |
346 |
|
setValue(e.getValue()); |
347 |
|
return *this; |
348 |
|
} |
349 |
|
inline ArrElemRef& operator=(vmint val) { |
350 |
|
setValue(val); |
351 |
|
return *this; |
352 |
|
} |
353 |
|
inline bool operator==(const ArrElemRef& e) const { |
354 |
|
if (m_index == e.m_index) |
355 |
|
return true; |
356 |
|
return getValue() == e.getValue(); |
357 |
|
} |
358 |
|
inline bool operator==(vmint val) const { |
359 |
|
return getValue() == val; |
360 |
|
} |
361 |
|
inline bool operator!=(const ArrElemRef& e) const { |
362 |
|
return !(operator==(e)); |
363 |
|
} |
364 |
|
inline bool operator!=(vmint val) const { |
365 |
|
return !(operator==(val)); |
366 |
|
} |
367 |
|
inline bool operator<(const ArrElemRef& e) const { |
368 |
|
if (m_index == e.m_index) |
369 |
|
return false; |
370 |
|
return getValue() < e.getValue(); |
371 |
|
} |
372 |
|
inline bool operator<(vmint val) const { |
373 |
|
return getValue() < val; |
374 |
|
} |
375 |
|
inline bool operator>(const ArrElemRef& e) const { |
376 |
|
if (m_index == e.m_index) |
377 |
|
return false; |
378 |
|
return getValue() > e.getValue(); |
379 |
|
} |
380 |
|
inline bool operator>(vmint val) const { |
381 |
|
return getValue() > val; |
382 |
|
} |
383 |
|
inline bool operator<=(const ArrElemRef& e) const { |
384 |
|
if (m_index == e.m_index) |
385 |
|
return true; |
386 |
|
return getValue() <= e.getValue(); |
387 |
|
} |
388 |
|
inline bool operator<=(vmint val) const { |
389 |
|
return getValue() <= val; |
390 |
|
} |
391 |
|
inline bool operator>=(const ArrElemRef& e) const { |
392 |
|
if (m_index == e.m_index) |
393 |
|
return true; |
394 |
|
return getValue() >= e.getValue(); |
395 |
|
} |
396 |
|
inline bool operator>=(vmint val) const { |
397 |
|
return getValue() >= val; |
398 |
|
} |
399 |
|
inline operator vmint() const { |
400 |
|
return getValue(); |
401 |
|
} |
402 |
|
protected: |
403 |
|
inline vmint getValue() const { |
404 |
|
return m_array->evalIntElement(m_index); |
405 |
|
} |
406 |
|
inline void setValue(vmint value) { |
407 |
|
m_array->assignIntElement(m_index, value); |
408 |
|
} |
409 |
|
|
410 |
|
friend void swap(class ArrElemRef a, class ArrElemRef b); |
411 |
|
}; |
412 |
|
|
413 |
|
class ArrElemPtr : protected ArrElemPOD { |
414 |
|
public: |
415 |
|
ArrElemPtr() { |
416 |
|
m_array = NULL; |
417 |
|
m_index = 0; |
418 |
|
} |
419 |
|
ArrElemPtr(VMIntArrayExpr* a, vmint index) { |
420 |
|
m_array = a; |
421 |
|
m_index = index; |
422 |
|
} |
423 |
|
inline ArrElemRef operator*() { |
424 |
|
return *(ArrElemRef*)this; |
425 |
|
} |
426 |
|
}; |
427 |
|
|
428 |
|
static inline void swap(ArrElemRef a, ArrElemRef b) { |
429 |
|
vmint valueA = a.getValue(); |
430 |
|
vmint valueB = b.getValue(); |
431 |
|
a.setValue(valueB); |
432 |
|
b.setValue(valueA); |
433 |
|
} |
434 |
|
|
435 |
|
class ArrExprIter : public ArrElemPOD { |
436 |
|
public: |
437 |
|
typedef std::random_access_iterator_tag iterator_category; |
438 |
|
typedef vmint value_type; |
439 |
|
typedef ssize_t difference_type; |
440 |
|
typedef ArrElemPtr pointer; |
441 |
|
typedef ArrElemRef reference; |
442 |
|
|
443 |
|
ArrExprIter(VMIntArrayExpr* a, vmint index) { |
444 |
|
m_array = a; |
445 |
|
m_index = index; |
446 |
|
} |
447 |
|
inline ArrElemRef operator*() { |
448 |
|
return *(ArrElemRef*)this; |
449 |
|
} |
450 |
|
inline ArrExprIter& operator++() { // prefix increment |
451 |
|
++m_index; |
452 |
|
return *this; |
453 |
|
} |
454 |
|
inline ArrExprIter& operator--() { // prefix decrement |
455 |
|
--m_index; |
456 |
|
return *this; |
457 |
|
} |
458 |
|
inline ArrExprIter operator++(int) { // postfix increment |
459 |
|
ArrExprIter it = *this; |
460 |
|
++m_index; |
461 |
|
return it; |
462 |
|
} |
463 |
|
inline ArrExprIter operator--(int) { // postfix decrement |
464 |
|
ArrExprIter it = *this; |
465 |
|
--m_index; |
466 |
|
return it; |
467 |
|
} |
468 |
|
inline ArrExprIter& operator+=(difference_type d) { |
469 |
|
m_index += d; |
470 |
|
return *this; |
471 |
|
} |
472 |
|
inline ArrExprIter& operator-=(difference_type d) { |
473 |
|
m_index -= d; |
474 |
|
return *this; |
475 |
|
} |
476 |
|
inline bool operator==(const ArrExprIter& other) const { |
477 |
|
return m_index == other.m_index; |
478 |
|
} |
479 |
|
inline bool operator!=(const ArrExprIter& other) const { |
480 |
|
return m_index != other.m_index; |
481 |
|
} |
482 |
|
inline bool operator<(const ArrExprIter& other) const { |
483 |
|
return m_index < other.m_index; |
484 |
|
} |
485 |
|
inline bool operator>(const ArrExprIter& other) const { |
486 |
|
return m_index > other.m_index; |
487 |
|
} |
488 |
|
inline bool operator<=(const ArrExprIter& other) const { |
489 |
|
return m_index <= other.m_index; |
490 |
|
} |
491 |
|
inline bool operator>=(const ArrExprIter& other) const { |
492 |
|
return m_index >= other.m_index; |
493 |
|
} |
494 |
|
inline difference_type operator+(const ArrExprIter& other) const { |
495 |
|
return m_index + other.m_index; |
496 |
|
} |
497 |
|
inline difference_type operator-(const ArrExprIter& other) const { |
498 |
|
return m_index - other.m_index; |
499 |
|
} |
500 |
|
inline ArrExprIter operator-(difference_type d) const { |
501 |
|
return ArrExprIter(m_array, m_index - d); |
502 |
|
} |
503 |
|
inline ArrExprIter operator+(difference_type d) const { |
504 |
|
return ArrExprIter(m_array, m_index + d); |
505 |
|
} |
506 |
|
inline ArrExprIter operator*(difference_type factor) const { |
507 |
|
return ArrExprIter(m_array, m_index * factor); |
508 |
|
} |
509 |
|
}; |
510 |
|
|
511 |
|
struct DescArrExprSorter { |
512 |
|
inline bool operator()(const vmint& a, const vmint& b) const { |
513 |
|
return a > b; |
514 |
|
} |
515 |
|
}; |
516 |
|
|
517 |
|
VMFnResult* CoreVMFunction_sort::exec(VMFnArgs* args) { |
518 |
|
VMIntArrayExpr* a = args->arg(0)->asIntArray(); |
519 |
|
bool bAscending = |
520 |
|
(args->argsCount() < 2) ? true : !args->arg(1)->asInt()->evalInt(); |
521 |
|
vmint n = a->arraySize(); |
522 |
|
ArrExprIter itBegin(a, 0); |
523 |
|
ArrExprIter itEnd(a, n); |
524 |
|
if (bAscending) { |
525 |
|
std::sort(itBegin, itEnd); |
526 |
|
} else { |
527 |
|
DescArrExprSorter sorter; |
528 |
|
std::sort(itBegin, itEnd, sorter); |
529 |
|
} |
530 |
|
return successResult(); |
531 |
|
} |
532 |
|
|
533 |
} // namespace LinuxSampler |
} // namespace LinuxSampler |