102 |
|
|
103 |
int Div::evalInt() { |
int Div::evalInt() { |
104 |
IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
IntExpr* pLHS = dynamic_cast<IntExpr*>(&*lhs); |
105 |
IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs);; |
IntExpr* pRHS = dynamic_cast<IntExpr*>(&*rhs); |
106 |
return (pLHS && pRHS) ? pRHS->evalInt() == 0 ? 0 : pLHS->evalInt() / pRHS->evalInt() : 0; |
if (!pLHS || !pRHS) return 0; |
107 |
|
int l = pLHS->evalInt(); |
108 |
|
int r = pRHS->evalInt(); |
109 |
|
if (r == 0) return 0; |
110 |
|
return l / r; |
111 |
} |
} |
112 |
|
|
113 |
void Div::dump(int level) { |
void Div::dump(int level) { |
247 |
return false; |
return false; |
248 |
} |
} |
249 |
|
|
250 |
|
DynamicVariableCall::DynamicVariableCall(const String& name, ParserContext* ctx, VMDynVar* v) |
251 |
|
: Variable(ctx, 0, false), dynVar(v), varName(name) |
252 |
|
{ |
253 |
|
} |
254 |
|
|
255 |
|
int DynamicVariableCall::evalInt() { |
256 |
|
VMIntExpr* expr = dynamic_cast<VMIntExpr*>(dynVar); |
257 |
|
if (!expr) return 0; |
258 |
|
return expr->evalInt(); |
259 |
|
} |
260 |
|
|
261 |
|
String DynamicVariableCall::evalStr() { |
262 |
|
VMStringExpr* expr = dynamic_cast<VMStringExpr*>(dynVar); |
263 |
|
if (!expr) return ""; |
264 |
|
return expr->evalStr(); |
265 |
|
} |
266 |
|
|
267 |
|
String DynamicVariableCall::evalCastToStr() { |
268 |
|
if (dynVar->exprType() == STRING_EXPR) { |
269 |
|
return evalStr(); |
270 |
|
} else { |
271 |
|
VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(dynVar); |
272 |
|
return intExpr ? ToString(intExpr->evalInt()) : ""; |
273 |
|
} |
274 |
|
} |
275 |
|
|
276 |
|
void DynamicVariableCall::dump(int level) { |
277 |
|
printIndents(level); |
278 |
|
printf("Dynamic Variable '%s'\n", varName.c_str()); |
279 |
|
} |
280 |
|
|
281 |
void FunctionCall::dump(int level) { |
void FunctionCall::dump(int level) { |
282 |
printIndents(level); |
printIndents(level); |
283 |
printf("FunctionCall '%s' args={\n", functionName.c_str()); |
printf("FunctionCall '%s' args={\n", functionName.c_str()); |
377 |
|
|
378 |
void IntVariable::dump(int level) { |
void IntVariable::dump(int level) { |
379 |
printIndents(level); |
printIndents(level); |
380 |
|
printf("IntVariable\n"); |
381 |
//printf("IntVariable memPos=%d\n", memPos); |
//printf("IntVariable memPos=%d\n", memPos); |
382 |
} |
} |
383 |
|
|
711 |
} |
} |
712 |
|
|
713 |
String ConcatString::evalStr() { |
String ConcatString::evalStr() { |
714 |
return lhs->evalCastToStr() + rhs->evalCastToStr(); |
// temporaries required here to enforce the associative left (to right) order |
715 |
|
// ( required for GCC and Visual Studio, see: |
716 |
|
// http://stackoverflow.com/questions/25842902/why-stdstring-concatenation-operator-works-like-right-associative-one |
717 |
|
// Personally I am not convinced that this is "not a bug" of the |
718 |
|
// compiler/STL implementation and the allegedly underlying "function call" |
719 |
|
// nature causing this is IMO no profound reason that the C++ language's |
720 |
|
// "+" operator's left associativity is ignored. -- Christian, 2016-07-14 ) |
721 |
|
String l = lhs->evalCastToStr(); |
722 |
|
String r = rhs->evalCastToStr(); |
723 |
|
return l + r; |
724 |
} |
} |
725 |
|
|
726 |
void ConcatString::dump(int level) { |
void ConcatString::dump(int level) { |
882 |
printf(")\n"); |
printf(")\n"); |
883 |
} |
} |
884 |
|
|
885 |
|
StatementsRef ParserContext::userFunctionByName(const String& name) { |
886 |
|
if (!userFnTable.count(name)) { |
887 |
|
return StatementsRef(); |
888 |
|
} |
889 |
|
return userFnTable.find(name)->second; |
890 |
|
} |
891 |
|
|
892 |
VariableRef ParserContext::variableByName(const String& name) { |
VariableRef ParserContext::variableByName(const String& name) { |
893 |
if (!vartable.count(name)) { |
if (!vartable.count(name)) { |
894 |
return VariableRef(); |
return VariableRef(); |
1013 |
vartable[it->first] = ref; |
vartable[it->first] = ref; |
1014 |
} |
} |
1015 |
} |
} |
1016 |
|
|
1017 |
|
void ParserContext::registerBuiltInDynVariables(const std::map<String,VMDynVar*>& vars) { |
1018 |
|
for (std::map<String,VMDynVar*>::const_iterator it = vars.begin(); |
1019 |
|
it != vars.end(); ++it) |
1020 |
|
{ |
1021 |
|
DynamicVariableCallRef ref = new DynamicVariableCall(it->first, this, it->second); |
1022 |
|
vartable[it->first] = ref; |
1023 |
|
} |
1024 |
|
} |
1025 |
|
|
1026 |
} // namespace LinuxSampler |
} // namespace LinuxSampler |