1 |
schoenebeck |
2581 |
/* |
2 |
schoenebeck |
3551 |
* Copyright (c) 2014-2019 Christian Schoenebeck |
3 |
schoenebeck |
2581 |
* |
4 |
|
|
* http://www.linuxsampler.org |
5 |
|
|
* |
6 |
|
|
* This file is part of LinuxSampler and released under the same terms. |
7 |
|
|
* See README file for details. |
8 |
|
|
*/ |
9 |
|
|
|
10 |
|
|
#include "CoreVMFunctions.h" |
11 |
|
|
|
12 |
|
|
#include <iostream> |
13 |
schoenebeck |
3221 |
#include <algorithm> // for std::sort() |
14 |
schoenebeck |
2619 |
#include <math.h> |
15 |
|
|
#include <stdlib.h> |
16 |
schoenebeck |
2581 |
#include "tree.h" |
17 |
|
|
#include "ScriptVM.h" |
18 |
schoenebeck |
3285 |
#include "../common/RTMath.h" |
19 |
schoenebeck |
2581 |
|
20 |
|
|
namespace LinuxSampler { |
21 |
|
|
|
22 |
schoenebeck |
2727 |
/////////////////////////////////////////////////////////////////////////// |
23 |
|
|
// class VMEmptyResultFunction |
24 |
|
|
|
25 |
schoenebeck |
2581 |
VMFnResult* VMEmptyResultFunction::errorResult() { |
26 |
|
|
result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
27 |
|
|
return &result; |
28 |
|
|
} |
29 |
|
|
|
30 |
schoenebeck |
2598 |
VMFnResult* VMEmptyResultFunction::successResult() { |
31 |
|
|
result.flags = STMT_SUCCESS; |
32 |
|
|
return &result; |
33 |
schoenebeck |
2596 |
} |
34 |
|
|
|
35 |
schoenebeck |
2727 |
/////////////////////////////////////////////////////////////////////////// |
36 |
|
|
// class VMIntResultFunction |
37 |
|
|
|
38 |
schoenebeck |
2598 |
VMFnResult* VMIntResultFunction::errorResult(int i) { |
39 |
|
|
result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
40 |
|
|
result.value = i; |
41 |
|
|
return &result; |
42 |
schoenebeck |
2596 |
} |
43 |
|
|
|
44 |
schoenebeck |
2598 |
VMFnResult* VMIntResultFunction::successResult(int i) { |
45 |
schoenebeck |
2581 |
result.flags = STMT_SUCCESS; |
46 |
schoenebeck |
2598 |
result.value = i; |
47 |
schoenebeck |
2581 |
return &result; |
48 |
|
|
} |
49 |
|
|
|
50 |
schoenebeck |
2727 |
/////////////////////////////////////////////////////////////////////////// |
51 |
|
|
// class VMStringResultFunction |
52 |
|
|
|
53 |
schoenebeck |
2581 |
VMFnResult* VMStringResultFunction::errorResult(const String& s) { |
54 |
|
|
result.flags = StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED); |
55 |
|
|
result.value = s; |
56 |
|
|
return &result; |
57 |
|
|
} |
58 |
|
|
|
59 |
|
|
VMFnResult* VMStringResultFunction::successResult(const String& s) { |
60 |
|
|
result.flags = STMT_SUCCESS; |
61 |
|
|
result.value = s; |
62 |
|
|
return &result; |
63 |
|
|
} |
64 |
|
|
|
65 |
schoenebeck |
2727 |
/////////////////////////////////////////////////////////////////////////// |
66 |
|
|
// built-in script function: message() |
67 |
|
|
|
68 |
schoenebeck |
2581 |
bool CoreVMFunction_message::acceptsArgType(int iArg, ExprType_t type) const { |
69 |
|
|
return type == INT_EXPR || type == STRING_EXPR; |
70 |
|
|
} |
71 |
|
|
|
72 |
|
|
VMFnResult* CoreVMFunction_message::exec(VMFnArgs* args) { |
73 |
|
|
if (!args->argsCount()) return errorResult(); |
74 |
|
|
|
75 |
schoenebeck |
3285 |
uint64_t usecs = RTMath::unsafeMicroSeconds(RTMath::real_clock); |
76 |
|
|
|
77 |
schoenebeck |
2581 |
VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(args->arg(0)); |
78 |
|
|
if (strExpr) { |
79 |
schoenebeck |
3285 |
printf("[ScriptVM %.3f] %s\n", usecs/1000000.f, strExpr->evalStr().c_str()); |
80 |
schoenebeck |
2581 |
return successResult(); |
81 |
|
|
} |
82 |
|
|
|
83 |
|
|
VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(args->arg(0)); |
84 |
|
|
if (intExpr) { |
85 |
schoenebeck |
3285 |
printf("[ScriptVM %.3f] %d\n", usecs/1000000.f, intExpr->evalInt()); |
86 |
schoenebeck |
2581 |
return successResult(); |
87 |
|
|
} |
88 |
|
|
|
89 |
|
|
return errorResult(); |
90 |
|
|
} |
91 |
|
|
|
92 |
schoenebeck |
2727 |
/////////////////////////////////////////////////////////////////////////// |
93 |
|
|
// built-in script function: exit() |
94 |
|
|
|
95 |
schoenebeck |
3551 |
int CoreVMFunction_exit::maxAllowedArgs() const { |
96 |
|
|
return (vm->isExitResultEnabled()) ? 1 : 0; |
97 |
|
|
} |
98 |
|
|
|
99 |
|
|
bool CoreVMFunction_exit::acceptsArgType(int iArg, ExprType_t type) const { |
100 |
|
|
if (!vm->isExitResultEnabled()) return false; |
101 |
|
|
return type == INT_EXPR || type == STRING_EXPR; |
102 |
|
|
} |
103 |
|
|
|
104 |
schoenebeck |
2581 |
VMFnResult* CoreVMFunction_exit::exec(VMFnArgs* args) { |
105 |
|
|
this->result.flags = STMT_ABORT_SIGNALLED; |
106 |
schoenebeck |
3551 |
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 |
schoenebeck |
2581 |
return &result; |
122 |
|
|
} |
123 |
|
|
|
124 |
schoenebeck |
2727 |
/////////////////////////////////////////////////////////////////////////// |
125 |
|
|
// built-in script function: wait() |
126 |
|
|
|
127 |
schoenebeck |
2581 |
VMFnResult* CoreVMFunction_wait::exec(VMFnArgs* args) { |
128 |
|
|
ExecContext* ctx = dynamic_cast<ExecContext*>(vm->currentVMExecContext()); |
129 |
|
|
VMIntExpr* expr = dynamic_cast<VMIntExpr*>(args->arg(0)); |
130 |
schoenebeck |
2972 |
int us = expr->evalInt(); |
131 |
|
|
if (us < 0) { |
132 |
|
|
wrnMsg("wait(): argument may not be negative! Aborting script!"); |
133 |
|
|
this->result.flags = STMT_ABORT_SIGNALLED; |
134 |
|
|
} else if (us == 0) { |
135 |
|
|
wrnMsg("wait(): argument may not be zero! Aborting script!"); |
136 |
|
|
this->result.flags = STMT_ABORT_SIGNALLED; |
137 |
|
|
} else { |
138 |
|
|
ctx->suspendMicroseconds = us; |
139 |
|
|
this->result.flags = STMT_SUSPEND_SIGNALLED; |
140 |
|
|
} |
141 |
schoenebeck |
2581 |
return &result; |
142 |
|
|
} |
143 |
|
|
|
144 |
schoenebeck |
2727 |
/////////////////////////////////////////////////////////////////////////// |
145 |
|
|
// built-in script function: abs() |
146 |
|
|
|
147 |
schoenebeck |
2619 |
bool CoreVMFunction_abs::acceptsArgType(int iArg, ExprType_t type) const { |
148 |
|
|
return type == INT_EXPR; |
149 |
|
|
} |
150 |
|
|
|
151 |
|
|
VMFnResult* CoreVMFunction_abs::exec(VMFnArgs* args) { |
152 |
|
|
return successResult( ::abs(args->arg(0)->asInt()->evalInt()) ); |
153 |
|
|
} |
154 |
|
|
|
155 |
schoenebeck |
2727 |
/////////////////////////////////////////////////////////////////////////// |
156 |
|
|
// built-in script function: random() |
157 |
|
|
|
158 |
schoenebeck |
2619 |
bool CoreVMFunction_random::acceptsArgType(int iArg, ExprType_t type) const { |
159 |
|
|
return type == INT_EXPR; |
160 |
|
|
} |
161 |
|
|
|
162 |
|
|
VMFnResult* CoreVMFunction_random::exec(VMFnArgs* args) { |
163 |
|
|
int iMin = args->arg(0)->asInt()->evalInt(); |
164 |
|
|
int iMax = args->arg(1)->asInt()->evalInt(); |
165 |
schoenebeck |
2620 |
float f = float(::rand()) / float(RAND_MAX); |
166 |
schoenebeck |
2619 |
return successResult( |
167 |
|
|
iMin + roundf( f * float(iMax - iMin) ) |
168 |
|
|
); |
169 |
|
|
} |
170 |
|
|
|
171 |
schoenebeck |
2727 |
/////////////////////////////////////////////////////////////////////////// |
172 |
|
|
// built-in script function: num_elements() |
173 |
|
|
|
174 |
schoenebeck |
2619 |
bool CoreVMFunction_num_elements::acceptsArgType(int iArg, ExprType_t type) const { |
175 |
|
|
return type == INT_ARR_EXPR; |
176 |
|
|
} |
177 |
|
|
|
178 |
|
|
VMFnResult* CoreVMFunction_num_elements::exec(VMFnArgs* args) { |
179 |
|
|
return successResult( args->arg(0)->asIntArray()->arraySize() ); |
180 |
|
|
} |
181 |
|
|
|
182 |
schoenebeck |
2945 |
/////////////////////////////////////////////////////////////////////////// |
183 |
|
|
// built-in script function: inc() |
184 |
|
|
|
185 |
|
|
VMFnResult* CoreVMFunction_inc::exec(VMFnArgs* args) { |
186 |
|
|
VMExpr* arg = args->arg(0); |
187 |
|
|
VMIntExpr* in = dynamic_cast<VMIntExpr*>(arg); |
188 |
|
|
VMVariable* out = dynamic_cast<VMVariable*>(arg); |
189 |
|
|
if (!in || !out) successResult(0); |
190 |
|
|
int i = in->evalInt() + 1; |
191 |
|
|
IntLiteral tmp(i); |
192 |
|
|
out->assignExpr(&tmp); |
193 |
|
|
return successResult(i); |
194 |
|
|
} |
195 |
|
|
|
196 |
|
|
/////////////////////////////////////////////////////////////////////////// |
197 |
|
|
// built-in script function: dec() |
198 |
|
|
|
199 |
|
|
VMFnResult* CoreVMFunction_dec::exec(VMFnArgs* args) { |
200 |
|
|
VMExpr* arg = args->arg(0); |
201 |
|
|
VMIntExpr* in = dynamic_cast<VMIntExpr*>(arg); |
202 |
|
|
VMVariable* out = dynamic_cast<VMVariable*>(arg); |
203 |
|
|
if (!in || !out) successResult(0); |
204 |
|
|
int i = in->evalInt() - 1; |
205 |
|
|
IntLiteral tmp(i); |
206 |
|
|
out->assignExpr(&tmp); |
207 |
|
|
return successResult(i); |
208 |
|
|
} |
209 |
|
|
|
210 |
schoenebeck |
2965 |
/////////////////////////////////////////////////////////////////////////// |
211 |
schoenebeck |
3076 |
// built-in script function: in_range() |
212 |
|
|
|
213 |
|
|
VMFnResult* CoreVMFunction_in_range::exec(VMFnArgs* args) { |
214 |
|
|
int i = args->arg(0)->asInt()->evalInt(); |
215 |
|
|
int lo = args->arg(1)->asInt()->evalInt(); |
216 |
|
|
int hi = args->arg(2)->asInt()->evalInt(); |
217 |
|
|
if (lo > hi) { // swap lo and hi |
218 |
|
|
int tmp = lo; |
219 |
|
|
lo = hi; |
220 |
|
|
hi = tmp; |
221 |
|
|
} |
222 |
|
|
return successResult(i >= lo && i <= hi); |
223 |
|
|
} |
224 |
|
|
|
225 |
|
|
/////////////////////////////////////////////////////////////////////////// |
226 |
schoenebeck |
2965 |
// built-in script function: sh_left() |
227 |
|
|
|
228 |
|
|
VMFnResult* CoreVMFunction_sh_left::exec(VMFnArgs* args) { |
229 |
|
|
int i = args->arg(0)->asInt()->evalInt(); |
230 |
|
|
int n = args->arg(1)->asInt()->evalInt(); |
231 |
|
|
return successResult(i << n); |
232 |
|
|
} |
233 |
|
|
|
234 |
|
|
/////////////////////////////////////////////////////////////////////////// |
235 |
|
|
// built-in script function: sh_right() |
236 |
|
|
|
237 |
|
|
VMFnResult* CoreVMFunction_sh_right::exec(VMFnArgs* args) { |
238 |
|
|
int i = args->arg(0)->asInt()->evalInt(); |
239 |
|
|
int n = args->arg(1)->asInt()->evalInt(); |
240 |
|
|
return successResult(i >> n); |
241 |
|
|
} |
242 |
|
|
|
243 |
schoenebeck |
2970 |
/////////////////////////////////////////////////////////////////////////// |
244 |
|
|
// built-in script function: min() |
245 |
|
|
|
246 |
|
|
VMFnResult* CoreVMFunction_min::exec(VMFnArgs* args) { |
247 |
|
|
int l = args->arg(0)->asInt()->evalInt(); |
248 |
|
|
int r = args->arg(1)->asInt()->evalInt(); |
249 |
|
|
return successResult(l < r ? l : r); |
250 |
|
|
} |
251 |
|
|
|
252 |
|
|
/////////////////////////////////////////////////////////////////////////// |
253 |
|
|
// built-in script function: max() |
254 |
|
|
|
255 |
|
|
VMFnResult* CoreVMFunction_max::exec(VMFnArgs* args) { |
256 |
|
|
int l = args->arg(0)->asInt()->evalInt(); |
257 |
|
|
int r = args->arg(1)->asInt()->evalInt(); |
258 |
|
|
return successResult(l > r ? l : r); |
259 |
|
|
} |
260 |
|
|
|
261 |
schoenebeck |
3221 |
/////////////////////////////////////////////////////////////////////////// |
262 |
|
|
// built-in script function: array_equal() |
263 |
|
|
|
264 |
|
|
VMFnResult* CoreVMFunction_array_equal::exec(VMFnArgs* args) { |
265 |
|
|
VMIntArrayExpr* l = args->arg(0)->asIntArray(); |
266 |
|
|
VMIntArrayExpr* r = args->arg(1)->asIntArray(); |
267 |
|
|
if (l->arraySize() != r->arraySize()) { |
268 |
|
|
wrnMsg("array_equal(): the two arrays differ in size"); |
269 |
|
|
return successResult(0); // false |
270 |
|
|
} |
271 |
|
|
const int n = l->arraySize(); |
272 |
|
|
for (int i = 0; i < n; ++i) |
273 |
|
|
if (l->evalIntElement(i) != r->evalIntElement(i)) |
274 |
|
|
return successResult(0); // false |
275 |
|
|
return successResult(1); // true |
276 |
|
|
} |
277 |
|
|
|
278 |
|
|
/////////////////////////////////////////////////////////////////////////// |
279 |
|
|
// built-in script function: search() |
280 |
|
|
|
281 |
|
|
ExprType_t CoreVMFunction_search::argType(int iArg) const { |
282 |
|
|
return (iArg == 0) ? INT_ARR_EXPR : INT_EXPR; |
283 |
|
|
} |
284 |
|
|
|
285 |
|
|
bool CoreVMFunction_search::acceptsArgType(int iArg, ExprType_t type) const { |
286 |
|
|
if (iArg == 0) |
287 |
|
|
return type == INT_ARR_EXPR; |
288 |
|
|
else |
289 |
|
|
return type == INT_EXPR; |
290 |
|
|
} |
291 |
|
|
|
292 |
|
|
VMFnResult* CoreVMFunction_search::exec(VMFnArgs* args) { |
293 |
|
|
VMIntArrayExpr* a = args->arg(0)->asIntArray(); |
294 |
|
|
const int needle = args->arg(1)->asInt()->evalInt(); |
295 |
|
|
const int n = a->arraySize(); |
296 |
|
|
for (int i = 0; i < n; ++i) |
297 |
|
|
if (a->evalIntElement(i) == needle) |
298 |
|
|
return successResult(i); |
299 |
|
|
return successResult(-1); // not found |
300 |
|
|
} |
301 |
|
|
|
302 |
|
|
/////////////////////////////////////////////////////////////////////////// |
303 |
|
|
// built-in script function: sort() |
304 |
|
|
|
305 |
|
|
ExprType_t CoreVMFunction_sort::argType(int iArg) const { |
306 |
|
|
return (iArg == 0) ? INT_ARR_EXPR : INT_EXPR; |
307 |
|
|
} |
308 |
|
|
|
309 |
|
|
bool CoreVMFunction_sort::acceptsArgType(int iArg, ExprType_t type) const { |
310 |
|
|
if (iArg == 0) |
311 |
|
|
return type == INT_ARR_EXPR; |
312 |
|
|
else |
313 |
|
|
return type == INT_EXPR; |
314 |
|
|
} |
315 |
|
|
|
316 |
|
|
struct ArrElemPOD { |
317 |
|
|
VMIntArrayExpr* m_array; |
318 |
|
|
int m_index; |
319 |
|
|
}; |
320 |
|
|
|
321 |
schoenebeck |
3222 |
static inline void swap(class ArrElemRef a, class ArrElemRef b); |
322 |
schoenebeck |
3221 |
|
323 |
|
|
class ArrElemRef : protected ArrElemPOD { |
324 |
|
|
public: |
325 |
|
|
ArrElemRef() { |
326 |
|
|
m_array = NULL; |
327 |
|
|
m_index = 0; |
328 |
|
|
} |
329 |
|
|
ArrElemRef(VMIntArrayExpr* a, int index) { |
330 |
|
|
m_array = a; |
331 |
|
|
m_index = index; |
332 |
|
|
} |
333 |
|
|
inline ArrElemRef& operator=(const ArrElemRef& e) { |
334 |
|
|
setValue(e.getValue()); |
335 |
|
|
return *this; |
336 |
|
|
} |
337 |
|
|
inline ArrElemRef& operator=(int val) { |
338 |
|
|
setValue(val); |
339 |
|
|
return *this; |
340 |
|
|
} |
341 |
|
|
inline bool operator==(const ArrElemRef& e) const { |
342 |
|
|
if (m_index == e.m_index) |
343 |
|
|
return true; |
344 |
|
|
return getValue() == e.getValue(); |
345 |
|
|
} |
346 |
|
|
inline bool operator==(int val) const { |
347 |
|
|
return getValue() == val; |
348 |
|
|
} |
349 |
|
|
inline bool operator!=(const ArrElemRef& e) const { |
350 |
|
|
return !(operator==(e)); |
351 |
|
|
} |
352 |
|
|
inline bool operator!=(int val) const { |
353 |
|
|
return !(operator==(val)); |
354 |
|
|
} |
355 |
|
|
inline bool operator<(const ArrElemRef& e) const { |
356 |
|
|
if (m_index == e.m_index) |
357 |
|
|
return false; |
358 |
|
|
return getValue() < e.getValue(); |
359 |
|
|
} |
360 |
|
|
inline bool operator<(int val) const { |
361 |
|
|
return getValue() < val; |
362 |
|
|
} |
363 |
|
|
inline bool operator>(const ArrElemRef& e) const { |
364 |
|
|
if (m_index == e.m_index) |
365 |
|
|
return false; |
366 |
|
|
return getValue() > e.getValue(); |
367 |
|
|
} |
368 |
|
|
inline bool operator>(int val) const { |
369 |
|
|
return getValue() > val; |
370 |
|
|
} |
371 |
|
|
inline bool operator<=(const ArrElemRef& e) const { |
372 |
|
|
if (m_index == e.m_index) |
373 |
|
|
return true; |
374 |
|
|
return getValue() <= e.getValue(); |
375 |
|
|
} |
376 |
|
|
inline bool operator<=(int val) const { |
377 |
|
|
return getValue() <= val; |
378 |
|
|
} |
379 |
|
|
inline bool operator>=(const ArrElemRef& e) const { |
380 |
|
|
if (m_index == e.m_index) |
381 |
|
|
return true; |
382 |
|
|
return getValue() >= e.getValue(); |
383 |
|
|
} |
384 |
|
|
inline bool operator>=(int val) const { |
385 |
|
|
return getValue() >= val; |
386 |
|
|
} |
387 |
|
|
inline operator int() const { |
388 |
|
|
return getValue(); |
389 |
|
|
} |
390 |
|
|
protected: |
391 |
|
|
inline int getValue() const { |
392 |
|
|
return m_array->evalIntElement(m_index); |
393 |
|
|
} |
394 |
|
|
inline void setValue(int value) { |
395 |
|
|
m_array->assignIntElement(m_index, value); |
396 |
|
|
} |
397 |
|
|
|
398 |
schoenebeck |
3222 |
friend void swap(class ArrElemRef a, class ArrElemRef b); |
399 |
schoenebeck |
3221 |
}; |
400 |
|
|
|
401 |
|
|
class ArrElemPtr : protected ArrElemPOD { |
402 |
|
|
public: |
403 |
|
|
ArrElemPtr() { |
404 |
|
|
m_array = NULL; |
405 |
|
|
m_index = 0; |
406 |
|
|
} |
407 |
|
|
ArrElemPtr(VMIntArrayExpr* a, int index) { |
408 |
|
|
m_array = a; |
409 |
|
|
m_index = index; |
410 |
|
|
} |
411 |
|
|
inline ArrElemRef operator*() { |
412 |
|
|
return *(ArrElemRef*)this; |
413 |
|
|
} |
414 |
|
|
}; |
415 |
|
|
|
416 |
schoenebeck |
3222 |
static inline void swap(ArrElemRef a, ArrElemRef b) { |
417 |
schoenebeck |
3221 |
int valueA = a.getValue(); |
418 |
|
|
int valueB = b.getValue(); |
419 |
|
|
a.setValue(valueB); |
420 |
|
|
b.setValue(valueA); |
421 |
|
|
} |
422 |
|
|
|
423 |
|
|
class ArrExprIter : public ArrElemPOD { |
424 |
|
|
public: |
425 |
|
|
typedef std::random_access_iterator_tag iterator_category; |
426 |
|
|
typedef int value_type; |
427 |
|
|
typedef ssize_t difference_type; |
428 |
|
|
typedef ArrElemPtr pointer; |
429 |
|
|
typedef ArrElemRef reference; |
430 |
|
|
|
431 |
|
|
ArrExprIter(VMIntArrayExpr* a, int index) { |
432 |
|
|
m_array = a; |
433 |
|
|
m_index = index; |
434 |
|
|
} |
435 |
|
|
inline ArrElemRef operator*() { |
436 |
|
|
return *(ArrElemRef*)this; |
437 |
|
|
} |
438 |
|
|
inline ArrExprIter& operator++() { // prefix increment |
439 |
|
|
++m_index; |
440 |
|
|
return *this; |
441 |
|
|
} |
442 |
|
|
inline ArrExprIter& operator--() { // prefix decrement |
443 |
|
|
--m_index; |
444 |
|
|
return *this; |
445 |
|
|
} |
446 |
|
|
inline ArrExprIter operator++(int) { // postfix increment |
447 |
|
|
ArrExprIter it = *this; |
448 |
|
|
++m_index; |
449 |
|
|
return it; |
450 |
|
|
} |
451 |
|
|
inline ArrExprIter operator--(int) { // postfix decrement |
452 |
|
|
ArrExprIter it = *this; |
453 |
|
|
--m_index; |
454 |
|
|
return it; |
455 |
|
|
} |
456 |
schoenebeck |
3345 |
inline ArrExprIter& operator+=(difference_type d) { |
457 |
|
|
m_index += d; |
458 |
|
|
return *this; |
459 |
|
|
} |
460 |
|
|
inline ArrExprIter& operator-=(difference_type d) { |
461 |
|
|
m_index -= d; |
462 |
|
|
return *this; |
463 |
|
|
} |
464 |
schoenebeck |
3221 |
inline bool operator==(const ArrExprIter& other) const { |
465 |
|
|
return m_index == other.m_index; |
466 |
|
|
} |
467 |
|
|
inline bool operator!=(const ArrExprIter& other) const { |
468 |
|
|
return m_index != other.m_index; |
469 |
|
|
} |
470 |
|
|
inline bool operator<(const ArrExprIter& other) const { |
471 |
|
|
return m_index < other.m_index; |
472 |
|
|
} |
473 |
|
|
inline bool operator>(const ArrExprIter& other) const { |
474 |
|
|
return m_index > other.m_index; |
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 difference_type operator+(const ArrExprIter& other) const { |
483 |
|
|
return m_index + other.m_index; |
484 |
|
|
} |
485 |
|
|
inline difference_type operator-(const ArrExprIter& other) const { |
486 |
|
|
return m_index - other.m_index; |
487 |
|
|
} |
488 |
|
|
inline ArrExprIter operator-(difference_type d) const { |
489 |
|
|
return ArrExprIter(m_array, m_index - d); |
490 |
|
|
} |
491 |
|
|
inline ArrExprIter operator+(difference_type d) const { |
492 |
|
|
return ArrExprIter(m_array, m_index + d); |
493 |
|
|
} |
494 |
|
|
inline ArrExprIter operator*(difference_type factor) const { |
495 |
|
|
return ArrExprIter(m_array, m_index * factor); |
496 |
|
|
} |
497 |
|
|
}; |
498 |
|
|
|
499 |
|
|
struct DescArrExprSorter { |
500 |
|
|
inline bool operator()(const int& a, const int& b) const { |
501 |
|
|
return a > b; |
502 |
|
|
} |
503 |
|
|
}; |
504 |
|
|
|
505 |
|
|
VMFnResult* CoreVMFunction_sort::exec(VMFnArgs* args) { |
506 |
|
|
VMIntArrayExpr* a = args->arg(0)->asIntArray(); |
507 |
|
|
bool bAscending = |
508 |
|
|
(args->argsCount() < 2) ? true : !args->arg(1)->asInt()->evalInt(); |
509 |
|
|
int n = a->arraySize(); |
510 |
|
|
ArrExprIter itBegin(a, 0); |
511 |
|
|
ArrExprIter itEnd(a, n); |
512 |
|
|
if (bAscending) { |
513 |
|
|
std::sort(itBegin, itEnd); |
514 |
|
|
} else { |
515 |
|
|
DescArrExprSorter sorter; |
516 |
|
|
std::sort(itBegin, itEnd, sorter); |
517 |
|
|
} |
518 |
|
|
return successResult(); |
519 |
|
|
} |
520 |
|
|
|
521 |
schoenebeck |
2581 |
} // namespace LinuxSampler |