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/* -*- c++ -*- |
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* |
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* Copyright (c) 2014 - 2019 Christian Schoenebeck and Andreas Persson |
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* |
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* http://www.linuxsampler.org |
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* |
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* This file is part of LinuxSampler and released under the same terms. |
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* See README file for details. |
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*/ |
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|
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// This header defines VM core implementation internal data types only used |
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// inside the parser and core VM implementation of this source directory. Not |
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// intended to be used in other source code parts (other source code |
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// directories) of the sampler. |
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|
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#ifndef LS_INSTRPARSERTREE_H |
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#define LS_INSTRPARSERTREE_H |
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|
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#include <vector> |
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#include <iostream> |
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#include <map> |
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#include <set> |
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#include <string.h> // for memset() |
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#include <assert.h> |
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#include "../common/global.h" |
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#include "../common/Ref.h" |
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#include "../common/ArrayList.h" |
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#include "common.h" |
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|
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namespace LinuxSampler { |
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|
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class ParserContext; |
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class ExecContext; |
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|
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enum StmtType_t { |
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STMT_LEAF, |
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STMT_LIST, |
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STMT_BRANCH, |
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STMT_LOOP, |
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STMT_SYNC, |
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STMT_NOOP, |
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}; |
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|
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/** |
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* Convenience function used for retrieving the (assumed) data type of a given |
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* script variable name. |
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* |
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* @param name - some script variable name (e.g. "$foo") |
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* @return variable's assumed data type (e.g. INT_EXPR for example above) |
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*/ |
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inline ExprType_t exprTypeOfVarName(const String& name) { |
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if (name.empty()) return (ExprType_t) -1; |
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const char prefix = name[0]; |
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switch (prefix) { |
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case '$': return INT_EXPR; |
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case '%': return INT_ARR_EXPR; |
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case '~': return REAL_EXPR; |
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case '?': return REAL_ARR_EXPR; |
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case '@': return STRING_EXPR; |
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case '!': return STRING_ARR_EXPR; |
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} |
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return (ExprType_t) -1; |
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} |
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|
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inline ExprType_t scalarTypeOfArray(ExprType_t arrayType) { |
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if (arrayType == INT_ARR_EXPR) return INT_EXPR; |
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if (arrayType == REAL_ARR_EXPR) return REAL_EXPR; |
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if (arrayType == STRING_ARR_EXPR) return STRING_EXPR; |
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assert(false); |
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return EMPTY_EXPR; // just to shut up the compiler |
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} |
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|
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/** |
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* Used by parser for parser error messages to provide a text with all data |
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* types accepted by the given built-in function @a fn for the respective |
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* function argument @a iArg. |
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*/ |
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String acceptedArgTypesStr(VMFunction* fn, vmint iArg); |
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|
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class Node { |
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public: |
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Node(); |
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virtual ~Node(); |
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virtual void dump(int level = 0) = 0; |
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virtual bool isPolyphonic() const = 0; |
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void printIndents(int n); |
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}; |
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typedef Ref<Node> NodeRef; |
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|
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class Expression : virtual public VMExpr, virtual public Node { |
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public: |
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virtual ExprType_t exprType() const = 0; |
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virtual bool isConstExpr() const = 0; |
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virtual String evalCastToStr() = 0; |
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}; |
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typedef Ref<Expression,Node> ExpressionRef; |
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|
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class Unit : virtual public VMUnit, virtual public Node { |
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StdUnit_t unit; |
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public: |
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Unit(StdUnit_t type) : unit(type) {} |
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StdUnit_t unitType() const OVERRIDE { return unit; } |
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static vmint convIntToUnitFactor(vmint iValue, VMUnit* srcUnit, VMUnit* dstUnit); |
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static vmint convIntToUnitFactor(vmint iValue, vmfloat srcFactor, vmfloat dstFactor); |
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static vmfloat convRealToUnitFactor(vmfloat fValue, VMUnit* srcUnit, VMUnit* dstUnit); |
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static vmfloat convRealToUnitFactor(vmfloat fValue, vmfloat srcFactor, vmfloat dstFactor); |
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}; |
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typedef Ref<Unit,Node> UnitRef; |
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|
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class NumberExpr : virtual public Unit, virtual public VMNumberExpr, virtual public Expression { |
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public: |
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}; |
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typedef Ref<NumberExpr,Node> NumberExprRef; |
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|
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class IntExpr : virtual public NumberExpr, virtual public VMIntExpr { |
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public: |
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ExprType_t exprType() const OVERRIDE { return INT_EXPR; } |
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vmint evalIntToUnitFactor(vmfloat unitFactor); |
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String evalCastToStr() OVERRIDE; |
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}; |
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typedef Ref<IntExpr,Node> IntExprRef; |
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|
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class RealExpr : virtual public NumberExpr, virtual public VMRealExpr { |
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public: |
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ExprType_t exprType() const OVERRIDE { return REAL_EXPR; } |
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vmfloat evalRealToUnitFactor(vmfloat unitFactor); |
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String evalCastToStr() OVERRIDE; |
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}; |
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typedef Ref<RealExpr,Node> RealExprRef; |
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|
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class ArrayExpr : virtual public VMArrayExpr, virtual public Expression { |
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public: |
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}; |
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typedef Ref<ArrayExpr,Node> ArrayExprRef; |
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|
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class IntArrayExpr : virtual public VMIntArrayExpr, virtual public ArrayExpr { |
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public: |
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ExprType_t exprType() const OVERRIDE { return INT_ARR_EXPR; } |
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String evalCastToStr() OVERRIDE; |
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}; |
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typedef Ref<IntArrayExpr,Node> IntArrayExprRef; |
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|
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class RealArrayExpr : virtual public VMRealArrayExpr, virtual public ArrayExpr { |
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public: |
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ExprType_t exprType() const OVERRIDE { return REAL_ARR_EXPR; } |
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String evalCastToStr() OVERRIDE; |
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}; |
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typedef Ref<RealArrayExpr,Node> RealArrayExprRef; |
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|
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class StringExpr : virtual public VMStringExpr, virtual public Expression { |
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public: |
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ExprType_t exprType() const OVERRIDE { return STRING_EXPR; } |
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String evalCastToStr() OVERRIDE { return evalStr(); } |
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}; |
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typedef Ref<StringExpr,Node> StringExprRef; |
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|
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struct IntLitDef { |
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vmint value; //NOTE: sequence matters! Since this is usually initialized with VMIntExpr::evalInt() it should be before member unitFactor, since the latter is usually initialized with VMIntExpr::unitFactor() which does not evaluate the expression. |
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vmfloat unitFactor = VM_NO_FACTOR; |
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StdUnit_t unitType = VM_NO_UNIT; |
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bool isFinal; |
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}; |
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|
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class IntLiteral FINAL : public IntExpr { |
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bool finalVal; |
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vmfloat unitPrefixFactor; |
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vmint value; |
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public: |
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IntLiteral(const IntLitDef& def); |
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vmint evalInt() OVERRIDE; |
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vmfloat unitFactor() const OVERRIDE { return unitPrefixFactor; } |
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void dump(int level = 0) OVERRIDE; |
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bool isConstExpr() const OVERRIDE { return true; } |
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bool isPolyphonic() const OVERRIDE { return false; } |
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bool isFinal() const OVERRIDE { return finalVal; } |
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}; |
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typedef Ref<IntLiteral,Node> IntLiteralRef; |
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|
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struct RealLitDef { |
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vmfloat value; //NOTE: sequence matters! Since this is usually initialized with VMRealExpr::evalReal() it should be before member unitFactor, since the latter is usually initialized with VMRealExpr::unitFactor() which does not evaluate the expression. |
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vmfloat unitFactor = VM_NO_FACTOR; |
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StdUnit_t unitType = VM_NO_UNIT; |
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bool isFinal; |
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}; |
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|
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class RealLiteral FINAL : public RealExpr { |
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bool finalVal; |
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vmfloat unitPrefixFactor; |
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vmfloat value; |
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public: |
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RealLiteral(const RealLitDef& def); |
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vmfloat evalReal() OVERRIDE; |
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vmfloat unitFactor() const OVERRIDE { return unitPrefixFactor; } |
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void dump(int level = 0) OVERRIDE; |
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bool isConstExpr() const OVERRIDE { return true; } |
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bool isPolyphonic() const OVERRIDE { return false; } |
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bool isFinal() const OVERRIDE { return finalVal; } |
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}; |
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typedef Ref<RealLiteral,Node> RealLiteralRef; |
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|
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class StringLiteral FINAL : public StringExpr { |
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String value; |
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public: |
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StringLiteral(const String& value) : value(value) { } |
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bool isConstExpr() const OVERRIDE { return true; } |
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void dump(int level = 0) OVERRIDE; |
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String evalStr() OVERRIDE { return value; } |
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bool isPolyphonic() const OVERRIDE { return false; } |
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}; |
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typedef Ref<StringLiteral,Node> StringLiteralRef; |
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|
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class Args FINAL : virtual public VMFnArgs, virtual public Node { |
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public: |
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std::vector<ExpressionRef> args; |
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void add(ExpressionRef arg) { args.push_back(arg); } |
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void dump(int level = 0) OVERRIDE; |
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vmint argsCount() const OVERRIDE { return (vmint) args.size(); } |
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VMExpr* arg(vmint i) OVERRIDE { return (i >= 0 && i < argsCount()) ? &*args.at(i) : NULL; } |
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bool isPolyphonic() const OVERRIDE; |
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}; |
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typedef Ref<Args,Node> ArgsRef; |
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|
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struct VariableDecl { |
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ParserContext* ctx; |
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bool isPolyphonic; |
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bool isConst; |
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vmint elements = 1; |
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vmint memPos; |
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vmint unitFactorMemPos; |
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StdUnit_t unitType = VM_NO_UNIT; |
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bool isFinal; |
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}; |
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|
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class Variable : virtual public VMVariable, virtual public Expression { |
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public: |
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bool isConstExpr() const OVERRIDE { return bConst; } |
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bool isAssignable() const OVERRIDE { return !bConst; } |
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virtual void assign(Expression* expr) = 0; |
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void assignExpr(VMExpr* expr) OVERRIDE { Expression* e = dynamic_cast<Expression*>(expr); if (e) assign(e); } |
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protected: |
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Variable(const VariableDecl& decl); |
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|
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ParserContext* context; |
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vmint memPos; |
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bool bConst; |
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}; |
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typedef Ref<Variable,Node> VariableRef; |
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|
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class NumberVariable : public Variable, virtual public NumberExpr { |
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bool polyphonic; |
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bool finalVal; |
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protected: |
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vmint unitFactorMemPos; |
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public: |
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bool isPolyphonic() const OVERRIDE { return polyphonic; } |
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bool isFinal() const OVERRIDE { return finalVal; } |
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vmfloat unitFactor() const OVERRIDE; |
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protected: |
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NumberVariable(const VariableDecl& decl); |
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}; |
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typedef Ref<NumberVariable,Node> NumberVariableRef; |
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|
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class IntVariable : public NumberVariable, virtual public IntExpr { |
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public: |
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IntVariable(const VariableDecl& decl); |
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void assign(Expression* expr) OVERRIDE; |
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vmint evalInt() OVERRIDE; |
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void dump(int level = 0) OVERRIDE; |
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}; |
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typedef Ref<IntVariable,Node> IntVariableRef; |
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|
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class RealVariable : public NumberVariable, virtual public RealExpr { |
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public: |
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RealVariable(const VariableDecl& decl); |
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void assign(Expression* expr) OVERRIDE; |
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vmfloat evalReal() OVERRIDE; |
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void dump(int level = 0) OVERRIDE; |
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}; |
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typedef Ref<RealVariable,Node> RealVariableRef; |
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|
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struct IntVarDef /* : VariableDecl*/ { //NOTE: derived, aggregate initializer-lists requires C++17 |
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// additions for RealVarDef |
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vmint value = 0; //NOTE: sequence matters! Since this is usually initialized with VMIntExpr::evalInt() it should be before member unitFactor, since the latter is usually initialized with VMIntExpr::unitFactor() which does not evaluate the expression. |
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vmfloat unitFactor = VM_NO_FACTOR; |
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// copied from VariableDecl |
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ParserContext* ctx; |
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bool isPolyphonic; |
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bool isConst; |
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vmint elements = 1; |
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vmint memPos; |
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vmint unitFactorMemPos; |
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StdUnit_t unitType = VM_NO_UNIT; |
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bool isFinal; |
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}; |
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|
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class ConstIntVariable FINAL : public IntVariable { |
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vmfloat unitPrefixFactor; |
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vmint value; |
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public: |
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ConstIntVariable(const IntVarDef& def); |
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void assign(Expression* expr) OVERRIDE; |
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vmint evalInt() OVERRIDE; |
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vmfloat unitFactor() const OVERRIDE { return unitPrefixFactor; } |
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void dump(int level = 0) OVERRIDE; |
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}; |
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typedef Ref<ConstIntVariable,Node> ConstIntVariableRef; |
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|
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struct RealVarDef /* : VariableDecl*/ { //NOTE: derived, aggregate initializer-lists requires C++17 |
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// additions for RealVarDef |
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vmfloat value = vmfloat(0); //NOTE: sequence matters! Since this is usually initialized with VMRealExpr::evalReal() it should be before member unitFactor, since the latter is usually initialized with VMRealExpr::unitFactor() which does not evaluate the expression. |
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vmfloat unitFactor = VM_NO_FACTOR; |
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// copied from VariableDecl |
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ParserContext* ctx; |
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bool isPolyphonic; |
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bool isConst; |
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vmint elements = 1; |
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vmint memPos; |
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vmint unitFactorMemPos; |
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StdUnit_t unitType = VM_NO_UNIT; |
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bool isFinal; |
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}; |
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|
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class ConstRealVariable FINAL : public RealVariable { |
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vmfloat unitPrefixFactor; |
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vmfloat value; |
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public: |
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ConstRealVariable(const RealVarDef& def); |
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void assign(Expression* expr) OVERRIDE; |
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vmfloat evalReal() OVERRIDE; |
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vmfloat unitFactor() const OVERRIDE { return unitPrefixFactor; } |
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void dump(int level = 0) OVERRIDE; |
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}; |
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typedef Ref<ConstRealVariable,Node> ConstRealVariableRef; |
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|
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class BuiltInIntVariable FINAL : public IntVariable { |
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String name; |
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VMIntPtr* ptr; |
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public: |
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BuiltInIntVariable(const String& name, VMIntPtr* ptr); |
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bool isAssignable() const OVERRIDE { return ptr->isAssignable(); } |
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void assign(Expression* expr) OVERRIDE; |
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vmint evalInt() OVERRIDE; |
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vmfloat unitFactor() const OVERRIDE { return VM_NO_UNIT; } |
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void dump(int level = 0) OVERRIDE; |
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}; |
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typedef Ref<BuiltInIntVariable,Node> BuiltInIntVariableRef; |
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|
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class PolyphonicIntVariable FINAL : public IntVariable { |
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public: |
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PolyphonicIntVariable(const VariableDecl& decl); |
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void dump(int level = 0) OVERRIDE; |
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}; |
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typedef Ref<PolyphonicIntVariable,Node> PolyphonicIntVariableRef; |
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|
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class PolyphonicRealVariable FINAL : public RealVariable { |
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public: |
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PolyphonicRealVariable(const VariableDecl& decl); |
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void dump(int level = 0) OVERRIDE; |
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}; |
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typedef Ref<PolyphonicRealVariable,Node> PolyphonicRealVariableRef; |
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|
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class IntArrayVariable : public Variable, virtual public IntArrayExpr { |
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ArrayList<vmint> values; |
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ArrayList<vmfloat> unitFactors; |
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public: |
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IntArrayVariable(ParserContext* ctx, vmint size); |
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IntArrayVariable(ParserContext* ctx, vmint size, ArgsRef values, bool _bConst = false); |
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void assign(Expression* expr) OVERRIDE {} // ignore scalar assignment |
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ExprType_t exprType() const OVERRIDE { return INT_ARR_EXPR; } |
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virtual vmint arraySize() const OVERRIDE { return values.size(); } |
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virtual vmint evalIntElement(vmuint i) OVERRIDE; |
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virtual void assignIntElement(vmuint i, vmint value) OVERRIDE; |
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vmfloat unitFactorOfElement(vmuint i) const OVERRIDE; |
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void assignElementUnitFactor(vmuint i, vmfloat factor) OVERRIDE; |
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void dump(int level = 0) OVERRIDE; |
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bool isPolyphonic() const OVERRIDE { return false; } |
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protected: |
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IntArrayVariable(ParserContext* ctx, bool bConst); |
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}; |
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typedef Ref<IntArrayVariable,Node> IntArrayVariableRef; |
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|
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class RealArrayVariable FINAL : public Variable, virtual public RealArrayExpr { |
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ArrayList<vmfloat> values; |
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ArrayList<vmfloat> unitFactors; |
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public: |
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RealArrayVariable(ParserContext* ctx, vmint size); |
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RealArrayVariable(ParserContext* ctx, vmint size, ArgsRef values, bool _bConst = false); |
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void assign(Expression* expr) OVERRIDE {} // ignore scalar assignment |
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ExprType_t exprType() const OVERRIDE { return REAL_ARR_EXPR; } |
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virtual vmint arraySize() const OVERRIDE { return values.size(); } |
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virtual vmfloat evalRealElement(vmuint i) OVERRIDE; |
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virtual void assignRealElement(vmuint i, vmfloat value) OVERRIDE; |
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vmfloat unitFactorOfElement(vmuint i) const OVERRIDE; |
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void assignElementUnitFactor(vmuint i, vmfloat factor) OVERRIDE; |
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void dump(int level = 0) OVERRIDE; |
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bool isPolyphonic() const OVERRIDE { return false; } |
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protected: |
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RealArrayVariable(ParserContext* ctx, bool bConst); |
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}; |
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typedef Ref<RealArrayVariable,Node> RealArrayVariableRef; |
401 |
|
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class BuiltInIntArrayVariable FINAL : public IntArrayVariable { |
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String name; |
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VMInt8Array* array; |
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public: |
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BuiltInIntArrayVariable(const String& name, VMInt8Array* array); |
407 |
vmint arraySize() const OVERRIDE { return array->size; } |
408 |
vmint evalIntElement(vmuint i) OVERRIDE; |
409 |
void assignIntElement(vmuint i, vmint value) OVERRIDE; |
410 |
vmfloat unitFactorOfElement(vmuint i) const OVERRIDE { return VM_NO_FACTOR; } |
411 |
void assignElementUnitFactor(vmuint i, vmfloat factor) OVERRIDE {} |
412 |
bool isAssignable() const OVERRIDE { return !array->readonly; } |
413 |
void dump(int level = 0) OVERRIDE; |
414 |
}; |
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typedef Ref<BuiltInIntArrayVariable,Node> BuiltInIntArrayVariableRef; |
416 |
|
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class IntArrayElement FINAL : public IntVariable { |
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IntArrayExprRef array; |
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IntExprRef index; |
420 |
vmint currentIndex; |
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public: |
422 |
IntArrayElement(IntArrayExprRef array, IntExprRef arrayIndex); |
423 |
void assign(Expression* expr) OVERRIDE; |
424 |
vmint evalInt() OVERRIDE; |
425 |
vmfloat unitFactor() const OVERRIDE; |
426 |
void dump(int level = 0) OVERRIDE; |
427 |
}; |
428 |
typedef Ref<IntArrayElement,Node> IntArrayElementRef; |
429 |
|
430 |
class RealArrayElement FINAL : public RealVariable { |
431 |
RealArrayExprRef array; |
432 |
IntExprRef index; |
433 |
vmint currentIndex; |
434 |
public: |
435 |
RealArrayElement(RealArrayExprRef array, IntExprRef arrayIndex); |
436 |
void assign(Expression* expr) OVERRIDE; |
437 |
vmfloat evalReal() OVERRIDE; |
438 |
vmfloat unitFactor() const OVERRIDE; |
439 |
void dump(int level = 0) OVERRIDE; |
440 |
}; |
441 |
typedef Ref<RealArrayElement,Node> RealArrayElementRef; |
442 |
|
443 |
class StringVariable : public Variable, virtual public StringExpr { |
444 |
public: |
445 |
StringVariable(ParserContext* ctx); |
446 |
void assign(Expression* expr) OVERRIDE; |
447 |
String evalStr() OVERRIDE; |
448 |
void dump(int level = 0) OVERRIDE; |
449 |
bool isPolyphonic() const OVERRIDE { return false; } |
450 |
protected: |
451 |
StringVariable(ParserContext* ctx, bool bConst); |
452 |
}; |
453 |
typedef Ref<StringVariable,Node> StringVariableRef; |
454 |
|
455 |
class ConstStringVariable FINAL : public StringVariable { |
456 |
String value; |
457 |
public: |
458 |
ConstStringVariable(ParserContext* ctx, String value = ""); |
459 |
void assign(Expression* expr) OVERRIDE; |
460 |
String evalStr() OVERRIDE; |
461 |
void dump(int level = 0) OVERRIDE; |
462 |
}; |
463 |
typedef Ref<ConstStringVariable,Node> ConstStringVariableRef; |
464 |
|
465 |
class BinaryOp : virtual public Expression { |
466 |
protected: |
467 |
ExpressionRef lhs; |
468 |
ExpressionRef rhs; |
469 |
public: |
470 |
BinaryOp(ExpressionRef lhs, ExpressionRef rhs) : lhs(lhs), rhs(rhs) { } |
471 |
bool isConstExpr() const OVERRIDE { return lhs->isConstExpr() && rhs->isConstExpr(); } |
472 |
bool isPolyphonic() const OVERRIDE { return lhs->isPolyphonic() || rhs->isPolyphonic(); } |
473 |
}; |
474 |
typedef Ref<BinaryOp,Node> BinaryOpRef; |
475 |
|
476 |
class NumberBinaryOp : public BinaryOp, virtual public NumberExpr { |
477 |
public: |
478 |
NumberBinaryOp(NumberExprRef lhs, NumberExprRef rhs) : BinaryOp(lhs, rhs) { } |
479 |
bool isFinal() const OVERRIDE; |
480 |
}; |
481 |
typedef Ref<NumberBinaryOp,Node> NumberBinaryOpRef; |
482 |
|
483 |
class IntBinaryOp : public NumberBinaryOp, virtual public IntExpr { |
484 |
public: |
485 |
IntBinaryOp(IntExprRef lhs, IntExprRef rhs) : NumberBinaryOp(lhs, rhs) { } |
486 |
}; |
487 |
typedef Ref<IntBinaryOp,Node> IntBinaryOpRef; |
488 |
|
489 |
class VaritypeScalarBinaryOp : public NumberBinaryOp, virtual public IntExpr, virtual public RealExpr { |
490 |
public: |
491 |
VaritypeScalarBinaryOp(NumberExprRef lhs, NumberExprRef rhs) : NumberBinaryOp(lhs, rhs) { } |
492 |
ExprType_t exprType() const OVERRIDE; |
493 |
String evalCastToStr() OVERRIDE; |
494 |
}; |
495 |
typedef Ref<VaritypeScalarBinaryOp,Node> VaritypeScalarBinaryOpRef; |
496 |
|
497 |
class Add FINAL : public VaritypeScalarBinaryOp { |
498 |
public: |
499 |
Add(NumberExprRef lhs, NumberExprRef rhs); |
500 |
vmint evalInt() OVERRIDE; |
501 |
vmfloat evalReal() OVERRIDE; |
502 |
vmfloat unitFactor() const OVERRIDE; |
503 |
void dump(int level = 0) OVERRIDE; |
504 |
}; |
505 |
typedef Ref<Add,Node> AddRef; |
506 |
|
507 |
class Sub FINAL : public VaritypeScalarBinaryOp { |
508 |
public: |
509 |
Sub(NumberExprRef lhs, NumberExprRef rhs); |
510 |
vmint evalInt() OVERRIDE; |
511 |
vmfloat evalReal() OVERRIDE; |
512 |
vmfloat unitFactor() const OVERRIDE; |
513 |
void dump(int level = 0) OVERRIDE; |
514 |
}; |
515 |
typedef Ref<Sub,Node> SubRef; |
516 |
|
517 |
class Mul FINAL : public VaritypeScalarBinaryOp { |
518 |
public: |
519 |
Mul(NumberExprRef lhs, NumberExprRef rhs); |
520 |
vmint evalInt() OVERRIDE; |
521 |
vmfloat evalReal() OVERRIDE; |
522 |
vmfloat unitFactor() const OVERRIDE; |
523 |
void dump(int level = 0) OVERRIDE; |
524 |
}; |
525 |
typedef Ref<Mul,Node> MulRef; |
526 |
|
527 |
class Div FINAL : public VaritypeScalarBinaryOp { |
528 |
public: |
529 |
Div(NumberExprRef lhs, NumberExprRef rhs); |
530 |
vmint evalInt() OVERRIDE; |
531 |
vmfloat evalReal() OVERRIDE; |
532 |
void dump(int level = 0) OVERRIDE; |
533 |
vmfloat unitFactor() const OVERRIDE; |
534 |
}; |
535 |
typedef Ref<Div,Node> DivRef; |
536 |
|
537 |
class Mod FINAL : public IntBinaryOp { |
538 |
public: |
539 |
Mod(IntExprRef lhs, IntExprRef rhs) : IntBinaryOp(lhs, rhs), Unit(VM_NO_UNIT) { } |
540 |
vmint evalInt() OVERRIDE; |
541 |
vmfloat unitFactor() const OVERRIDE { return VM_NO_FACTOR; } |
542 |
void dump(int level = 0) OVERRIDE; |
543 |
}; |
544 |
typedef Ref<Mod,Node> ModRef; |
545 |
|
546 |
class Statement : virtual public Node { |
547 |
public: |
548 |
virtual StmtType_t statementType() const = 0; |
549 |
}; |
550 |
typedef Ref<Statement,Node> StatementRef; |
551 |
|
552 |
// Just used by parser to avoid "not a statement" parser warning, will be |
553 |
// filtered out by parser. So it will not be part of the VM tree after parsing. |
554 |
class NoOperation FINAL : public Statement { |
555 |
public: |
556 |
NoOperation() : Statement() {} |
557 |
StmtType_t statementType() const OVERRIDE { return STMT_NOOP; } |
558 |
void dump(int level = 0) OVERRIDE {} |
559 |
bool isPolyphonic() const OVERRIDE { return false; } |
560 |
}; |
561 |
typedef Ref<NoOperation,Node> NoOperationRef; |
562 |
|
563 |
bool isNoOperation(StatementRef statement); |
564 |
|
565 |
class LeafStatement : public Statement { |
566 |
public: |
567 |
virtual StmtFlags_t exec() = 0; |
568 |
StmtType_t statementType() const OVERRIDE { return STMT_LEAF; } |
569 |
}; |
570 |
typedef Ref<LeafStatement,Node> LeafStatementRef; |
571 |
|
572 |
class Statements : public Statement { |
573 |
std::vector<StatementRef> args; |
574 |
public: |
575 |
void add(StatementRef arg) { args.push_back(arg); } |
576 |
void dump(int level = 0) OVERRIDE; |
577 |
StmtType_t statementType() const OVERRIDE { return STMT_LIST; } |
578 |
virtual Statement* statement(uint i); |
579 |
bool isPolyphonic() const OVERRIDE; |
580 |
}; |
581 |
typedef Ref<Statements,Node> StatementsRef; |
582 |
|
583 |
class BranchStatement : public Statement { |
584 |
public: |
585 |
StmtType_t statementType() const OVERRIDE { return STMT_BRANCH; } |
586 |
virtual vmint evalBranch() = 0; |
587 |
virtual Statements* branch(vmuint i) const = 0; |
588 |
}; |
589 |
|
590 |
class DynamicVariableCall FINAL : public Variable, virtual public IntExpr, virtual public StringExpr, virtual public IntArrayExpr { |
591 |
VMDynVar* dynVar; |
592 |
String varName; |
593 |
public: |
594 |
DynamicVariableCall(const String& name, ParserContext* ctx, VMDynVar* v); |
595 |
ExprType_t exprType() const OVERRIDE { return dynVar->exprType(); } |
596 |
bool isConstExpr() const OVERRIDE { return dynVar->isConstExpr(); } |
597 |
bool isAssignable() const OVERRIDE { return dynVar->isAssignable(); } |
598 |
bool isPolyphonic() const OVERRIDE { return false; } |
599 |
void assign(Expression* expr) OVERRIDE { dynVar->assignExpr(expr); } |
600 |
VMIntArrayExpr* asIntArray() const OVERRIDE { return dynVar->asIntArray(); } |
601 |
vmint evalInt() OVERRIDE; |
602 |
String evalStr() OVERRIDE; |
603 |
String evalCastToStr() OVERRIDE; |
604 |
vmint arraySize() const OVERRIDE { return dynVar->asIntArray()->arraySize(); } |
605 |
vmint evalIntElement(vmuint i) OVERRIDE { return dynVar->asIntArray()->evalIntElement(i); } |
606 |
void assignIntElement(vmuint i, vmint value) OVERRIDE { return dynVar->asIntArray()->assignIntElement(i, value); } |
607 |
vmfloat unitFactorOfElement(vmuint i) const OVERRIDE { return VM_NO_FACTOR; } |
608 |
void assignElementUnitFactor(vmuint i, vmfloat factor) OVERRIDE {} |
609 |
void dump(int level = 0) OVERRIDE; |
610 |
vmfloat unitFactor() const OVERRIDE { return VM_NO_FACTOR; } |
611 |
bool isFinal() const OVERRIDE { return false; } |
612 |
}; |
613 |
typedef Ref<DynamicVariableCall,Node> DynamicVariableCallRef; |
614 |
|
615 |
class FunctionCall : virtual public LeafStatement, virtual public IntExpr, virtual public RealExpr, virtual public StringExpr { |
616 |
String functionName; |
617 |
ArgsRef args; |
618 |
VMFunction* fn; |
619 |
VMFnResult* result; |
620 |
public: |
621 |
FunctionCall(const char* function, ArgsRef args, VMFunction* fn); |
622 |
void dump(int level = 0) OVERRIDE; |
623 |
StmtFlags_t exec() OVERRIDE; |
624 |
vmint evalInt() OVERRIDE; |
625 |
vmfloat evalReal() OVERRIDE; |
626 |
VMIntArrayExpr* asIntArray() const OVERRIDE; |
627 |
VMRealArrayExpr* asRealArray() const OVERRIDE; |
628 |
String evalStr() OVERRIDE; |
629 |
bool isConstExpr() const OVERRIDE { return false; } |
630 |
ExprType_t exprType() const OVERRIDE; |
631 |
String evalCastToStr() OVERRIDE; |
632 |
bool isPolyphonic() const OVERRIDE { return args->isPolyphonic(); } |
633 |
vmfloat unitFactor() const OVERRIDE; |
634 |
bool isFinal() const OVERRIDE; |
635 |
protected: |
636 |
VMFnResult* execVMFn(); |
637 |
}; |
638 |
typedef Ref<FunctionCall,Node> FunctionCallRef; |
639 |
|
640 |
class NoFunctionCall FINAL : public FunctionCall { |
641 |
public: |
642 |
NoFunctionCall() : FunctionCall("nothing", new Args, NULL), Unit(VM_NO_UNIT) {} |
643 |
StmtType_t statementType() const OVERRIDE { return STMT_NOOP; } |
644 |
}; |
645 |
typedef Ref<NoFunctionCall,Node> NoFunctionCallRef; |
646 |
|
647 |
class EventHandler : virtual public Statements, virtual public VMEventHandler { |
648 |
StatementsRef statements; |
649 |
bool usingPolyphonics; |
650 |
public: |
651 |
void dump(int level = 0) OVERRIDE; |
652 |
StmtFlags_t exec(); |
653 |
EventHandler(StatementsRef statements); |
654 |
Statement* statement(uint i) OVERRIDE { return statements->statement(i); } |
655 |
bool isPolyphonic() const OVERRIDE { return usingPolyphonics; } |
656 |
}; |
657 |
typedef Ref<EventHandler,Node> EventHandlerRef; |
658 |
|
659 |
class OnNote FINAL : public EventHandler { |
660 |
public: |
661 |
OnNote(StatementsRef statements) : EventHandler(statements) {} |
662 |
VMEventHandlerType_t eventHandlerType() const OVERRIDE { return VM_EVENT_HANDLER_NOTE; } |
663 |
String eventHandlerName() const OVERRIDE { return "note"; } |
664 |
}; |
665 |
typedef Ref<OnNote,Node> OnNoteRef; |
666 |
|
667 |
class OnInit FINAL : public EventHandler { |
668 |
public: |
669 |
OnInit(StatementsRef statements) : EventHandler(statements) {} |
670 |
VMEventHandlerType_t eventHandlerType() const OVERRIDE { return VM_EVENT_HANDLER_INIT; } |
671 |
String eventHandlerName() const OVERRIDE { return "init"; } |
672 |
}; |
673 |
typedef Ref<OnInit,Node> OnInitRef; |
674 |
|
675 |
class OnRelease FINAL : public EventHandler { |
676 |
public: |
677 |
OnRelease(StatementsRef statements) : EventHandler(statements) {} |
678 |
VMEventHandlerType_t eventHandlerType() const OVERRIDE { return VM_EVENT_HANDLER_RELEASE; } |
679 |
String eventHandlerName() const OVERRIDE { return "release"; } |
680 |
}; |
681 |
typedef Ref<OnRelease,Node> OnReleaseRef; |
682 |
|
683 |
class OnController FINAL : public EventHandler { |
684 |
public: |
685 |
OnController(StatementsRef statements) : EventHandler(statements) {} |
686 |
VMEventHandlerType_t eventHandlerType() const OVERRIDE { return VM_EVENT_HANDLER_CONTROLLER; } |
687 |
String eventHandlerName() const OVERRIDE { return "controller"; } |
688 |
}; |
689 |
typedef Ref<OnController,Node> OnControllerRef; |
690 |
|
691 |
class EventHandlers FINAL : virtual public Node { |
692 |
std::vector<EventHandlerRef> args; |
693 |
public: |
694 |
EventHandlers(); |
695 |
~EventHandlers(); |
696 |
void add(EventHandlerRef arg); |
697 |
void dump(int level = 0) OVERRIDE; |
698 |
EventHandler* eventHandlerByName(const String& name) const; |
699 |
EventHandler* eventHandler(uint index) const; |
700 |
inline uint size() const { return (int) args.size(); } |
701 |
bool isPolyphonic() const OVERRIDE; |
702 |
}; |
703 |
typedef Ref<EventHandlers,Node> EventHandlersRef; |
704 |
|
705 |
class Assignment FINAL : public LeafStatement { |
706 |
protected: |
707 |
VariableRef variable; |
708 |
ExpressionRef value; |
709 |
public: |
710 |
Assignment(VariableRef variable, ExpressionRef value); |
711 |
void dump(int level = 0) OVERRIDE; |
712 |
StmtFlags_t exec() OVERRIDE; |
713 |
bool isPolyphonic() const OVERRIDE { return (variable && variable->isPolyphonic()) || (value && value->isPolyphonic()); } |
714 |
}; |
715 |
typedef Ref<Assignment,Node> AssignmentRef; |
716 |
|
717 |
class If FINAL : public BranchStatement { |
718 |
IntExprRef condition; |
719 |
StatementsRef ifStatements; |
720 |
StatementsRef elseStatements; |
721 |
public: |
722 |
If(IntExprRef condition, StatementsRef ifStatements, StatementsRef elseStatements) : |
723 |
condition(condition), ifStatements(ifStatements), elseStatements(elseStatements) { } |
724 |
If(IntExprRef condition, StatementsRef statements) : |
725 |
condition(condition), ifStatements(statements) { } |
726 |
void dump(int level = 0) OVERRIDE; |
727 |
vmint evalBranch() OVERRIDE; |
728 |
Statements* branch(vmuint i) const OVERRIDE; |
729 |
bool isPolyphonic() const OVERRIDE; |
730 |
}; |
731 |
typedef Ref<If,Node> IfRef; |
732 |
|
733 |
struct CaseBranch FINAL { |
734 |
IntExprRef from; |
735 |
IntExprRef to; |
736 |
StatementsRef statements; |
737 |
}; |
738 |
typedef std::vector<CaseBranch> CaseBranches; |
739 |
|
740 |
class SelectCase FINAL : public BranchStatement { |
741 |
IntExprRef select; |
742 |
CaseBranches branches; |
743 |
public: |
744 |
SelectCase(IntExprRef select, const CaseBranches& branches) : select(select), branches(branches) { } |
745 |
void dump(int level = 0) OVERRIDE; |
746 |
vmint evalBranch() OVERRIDE; |
747 |
Statements* branch(vmuint i) const OVERRIDE; |
748 |
bool isPolyphonic() const OVERRIDE; |
749 |
}; |
750 |
typedef Ref<SelectCase,Node> SelectCaseRef; |
751 |
|
752 |
class While FINAL : public Statement { |
753 |
IntExprRef m_condition; |
754 |
StatementsRef m_statements; |
755 |
public: |
756 |
While(IntExprRef condition, StatementsRef statements) : |
757 |
m_condition(condition), m_statements(statements) {} |
758 |
StmtType_t statementType() const OVERRIDE { return STMT_LOOP; } |
759 |
void dump(int level = 0) OVERRIDE; |
760 |
bool evalLoopStartCondition(); |
761 |
Statements* statements() const; |
762 |
bool isPolyphonic() const OVERRIDE { return m_condition->isPolyphonic() || m_statements->isPolyphonic(); } |
763 |
}; |
764 |
|
765 |
class SyncBlock FINAL : public Statement { |
766 |
StatementsRef m_statements; |
767 |
public: |
768 |
SyncBlock(StatementsRef statements) : m_statements(statements) {} |
769 |
StmtType_t statementType() const OVERRIDE { return STMT_SYNC; } |
770 |
void dump(int level = 0) OVERRIDE; |
771 |
Statements* statements() const; |
772 |
bool isPolyphonic() const OVERRIDE { return m_statements->isPolyphonic(); } |
773 |
}; |
774 |
typedef Ref<SyncBlock,Node> SyncBlockRef; |
775 |
|
776 |
class Neg FINAL : virtual public IntExpr, virtual public RealExpr { |
777 |
NumberExprRef expr; |
778 |
public: |
779 |
Neg(NumberExprRef expr) : Unit(expr->unitType()), expr(expr) { } |
780 |
ExprType_t exprType() const OVERRIDE { return expr->exprType(); } |
781 |
vmint evalInt() OVERRIDE { return (expr) ? -(expr->asInt()->evalInt()) : 0; } |
782 |
vmfloat evalReal() OVERRIDE { return (expr) ? -(expr->asReal()->evalReal()) : vmfloat(0); } |
783 |
String evalCastToStr() OVERRIDE; |
784 |
void dump(int level = 0) OVERRIDE; |
785 |
bool isConstExpr() const OVERRIDE { return expr->isConstExpr(); } |
786 |
bool isPolyphonic() const OVERRIDE { return expr->isPolyphonic(); } |
787 |
vmfloat unitFactor() const OVERRIDE { return expr->unitFactor(); } |
788 |
bool isFinal() const OVERRIDE { return expr->isFinal(); } |
789 |
}; |
790 |
typedef Ref<Neg,Node> NegRef; |
791 |
|
792 |
class ConcatString FINAL : public StringExpr { |
793 |
ExpressionRef lhs; |
794 |
ExpressionRef rhs; |
795 |
public: |
796 |
ConcatString(ExpressionRef lhs, ExpressionRef rhs) : lhs(lhs), rhs(rhs) {} |
797 |
String evalStr() OVERRIDE; |
798 |
void dump(int level = 0) OVERRIDE; |
799 |
bool isConstExpr() const OVERRIDE; |
800 |
bool isPolyphonic() const OVERRIDE { return lhs->isPolyphonic() || rhs->isPolyphonic(); } |
801 |
}; |
802 |
typedef Ref<ConcatString,Node> ConcatStringRef; |
803 |
|
804 |
class Relation FINAL : public IntExpr { |
805 |
public: |
806 |
enum Type { |
807 |
LESS_THAN, |
808 |
GREATER_THAN, |
809 |
LESS_OR_EQUAL, |
810 |
GREATER_OR_EQUAL, |
811 |
EQUAL, |
812 |
NOT_EQUAL |
813 |
}; |
814 |
Relation(ExpressionRef lhs, Type type, ExpressionRef rhs); |
815 |
vmint evalInt() OVERRIDE; |
816 |
void dump(int level = 0) OVERRIDE; |
817 |
bool isConstExpr() const OVERRIDE; |
818 |
bool isPolyphonic() const OVERRIDE { return lhs->isPolyphonic() || rhs->isPolyphonic(); } |
819 |
vmfloat unitFactor() const OVERRIDE { return VM_NO_FACTOR; } |
820 |
bool isFinal() const OVERRIDE { return false; } |
821 |
private: |
822 |
ExpressionRef lhs; |
823 |
ExpressionRef rhs; |
824 |
Type type; |
825 |
}; |
826 |
typedef Ref<Relation,Node> RelationRef; |
827 |
|
828 |
class Or FINAL : public IntBinaryOp { |
829 |
public: |
830 |
Or(IntExprRef lhs, IntExprRef rhs) : IntBinaryOp(lhs,rhs), Unit(VM_NO_UNIT) {} |
831 |
vmint evalInt() OVERRIDE; |
832 |
vmfloat unitFactor() const OVERRIDE { return VM_NO_FACTOR; } |
833 |
void dump(int level = 0) OVERRIDE; |
834 |
}; |
835 |
typedef Ref<Or,Node> OrRef; |
836 |
|
837 |
class BitwiseOr FINAL : public IntBinaryOp { |
838 |
public: |
839 |
BitwiseOr(IntExprRef lhs, IntExprRef rhs) : IntBinaryOp(lhs,rhs), Unit(VM_NO_UNIT) {} |
840 |
vmint evalInt() OVERRIDE; |
841 |
void dump(int level = 0) OVERRIDE; |
842 |
vmfloat unitFactor() const OVERRIDE { return VM_NO_FACTOR; } |
843 |
}; |
844 |
typedef Ref<BitwiseOr,Node> BitwiseOrRef; |
845 |
|
846 |
class And FINAL : public IntBinaryOp { |
847 |
public: |
848 |
And(IntExprRef lhs, IntExprRef rhs) : IntBinaryOp(lhs,rhs), Unit(VM_NO_UNIT) {} |
849 |
vmint evalInt() OVERRIDE; |
850 |
vmfloat unitFactor() const OVERRIDE { return VM_NO_FACTOR; } |
851 |
void dump(int level = 0) OVERRIDE; |
852 |
}; |
853 |
typedef Ref<And,Node> AndRef; |
854 |
|
855 |
class BitwiseAnd FINAL : public IntBinaryOp { |
856 |
public: |
857 |
BitwiseAnd(IntExprRef lhs, IntExprRef rhs) : IntBinaryOp(lhs,rhs), Unit(VM_NO_UNIT) {} |
858 |
vmint evalInt() OVERRIDE; |
859 |
void dump(int level = 0) OVERRIDE; |
860 |
vmfloat unitFactor() const OVERRIDE { return VM_NO_FACTOR; } |
861 |
}; |
862 |
typedef Ref<BitwiseAnd,Node> BitwiseAndRef; |
863 |
|
864 |
class Not FINAL : virtual public IntExpr { |
865 |
IntExprRef expr; |
866 |
public: |
867 |
Not(IntExprRef expr) : Unit(VM_NO_UNIT), expr(expr) {} |
868 |
vmint evalInt() OVERRIDE { return !expr->evalInt(); } |
869 |
void dump(int level = 0) OVERRIDE; |
870 |
bool isConstExpr() const OVERRIDE { return expr->isConstExpr(); } |
871 |
bool isPolyphonic() const OVERRIDE { return expr->isPolyphonic(); } |
872 |
vmfloat unitFactor() const OVERRIDE { return VM_NO_FACTOR; } |
873 |
bool isFinal() const OVERRIDE { return expr->isFinal(); } |
874 |
}; |
875 |
typedef Ref<Not,Node> NotRef; |
876 |
|
877 |
class BitwiseNot FINAL : virtual public IntExpr { |
878 |
IntExprRef expr; |
879 |
public: |
880 |
BitwiseNot(IntExprRef expr) : Unit(VM_NO_UNIT), expr(expr) {} |
881 |
vmint evalInt() OVERRIDE { return ~expr->evalInt(); } |
882 |
void dump(int level = 0) OVERRIDE; |
883 |
bool isConstExpr() const OVERRIDE { return expr->isConstExpr(); } |
884 |
bool isPolyphonic() const OVERRIDE { return expr->isPolyphonic(); } |
885 |
vmfloat unitFactor() const OVERRIDE { return VM_NO_FACTOR; } |
886 |
bool isFinal() const OVERRIDE { return expr->isFinal(); } |
887 |
}; |
888 |
typedef Ref<BitwiseNot,Node> BitwiseNotRef; |
889 |
|
890 |
class Final FINAL : virtual public IntExpr, virtual public RealExpr { |
891 |
NumberExprRef expr; |
892 |
public: |
893 |
Final(NumberExprRef expr) : Unit(expr->unitType()), expr(expr) {} |
894 |
ExprType_t exprType() const OVERRIDE { return expr->exprType(); } |
895 |
vmint evalInt() OVERRIDE { return expr->asInt()->evalInt(); } |
896 |
vmfloat evalReal() OVERRIDE { return expr->asReal()->evalReal(); } |
897 |
String evalCastToStr() OVERRIDE; |
898 |
void dump(int level = 0) OVERRIDE; |
899 |
bool isConstExpr() const OVERRIDE { return expr->isConstExpr(); } |
900 |
bool isPolyphonic() const OVERRIDE { return expr->isPolyphonic(); } |
901 |
vmfloat unitFactor() const OVERRIDE { return expr->unitFactor(); } |
902 |
bool isFinal() const OVERRIDE { return true; } |
903 |
}; |
904 |
typedef Ref<Final,Node> FinalRef; |
905 |
|
906 |
class ParserContext FINAL : public VMParserContext { |
907 |
public: |
908 |
struct Error { |
909 |
String txt; |
910 |
int line; |
911 |
}; |
912 |
typedef Error Warning; |
913 |
|
914 |
void* scanner; |
915 |
std::istream* is; |
916 |
std::vector<ParserIssue> vErrors; |
917 |
std::vector<ParserIssue> vWarnings; |
918 |
std::vector<ParserIssue> vIssues; |
919 |
std::vector<CodeBlock> vPreprocessorComments; |
920 |
|
921 |
std::set<String> builtinPreprocessorConditions; |
922 |
std::set<String> userPreprocessorConditions; |
923 |
|
924 |
std::map<String,VariableRef> vartable; |
925 |
std::map<String,StatementsRef> userFnTable; |
926 |
vmint globalIntVarCount; |
927 |
vmint globalRealVarCount; |
928 |
vmint globalStrVarCount; |
929 |
vmint globalUnitFactorCount; |
930 |
vmint polyphonicIntVarCount; |
931 |
vmint polyphonicRealVarCount; |
932 |
vmint polyphonicUnitFactorCount; |
933 |
|
934 |
EventHandlersRef handlers; |
935 |
|
936 |
OnInitRef onInit; |
937 |
OnNoteRef onNote; |
938 |
OnReleaseRef onRelease; |
939 |
OnControllerRef onController; |
940 |
|
941 |
ArrayList<vmint>* globalIntMemory; |
942 |
ArrayList<vmfloat>* globalRealMemory; |
943 |
ArrayList<String>* globalStrMemory; |
944 |
ArrayList<vmfloat>* globalUnitFactorMemory; |
945 |
vmint requiredMaxStackSize; |
946 |
|
947 |
VMFunctionProvider* functionProvider; |
948 |
|
949 |
ExecContext* execContext; |
950 |
|
951 |
ParserContext(VMFunctionProvider* parent) : |
952 |
scanner(NULL), is(NULL), |
953 |
globalIntVarCount(0), globalRealVarCount(0), globalStrVarCount(0), |
954 |
globalUnitFactorCount(0), |
955 |
polyphonicIntVarCount(0), polyphonicRealVarCount(0), |
956 |
polyphonicUnitFactorCount(0), |
957 |
globalIntMemory(NULL), globalRealMemory(NULL), globalStrMemory(NULL), |
958 |
globalUnitFactorMemory(NULL), |
959 |
requiredMaxStackSize(-1), |
960 |
functionProvider(parent), execContext(NULL) |
961 |
{ |
962 |
} |
963 |
virtual ~ParserContext(); |
964 |
VariableRef globalVar(const String& name); |
965 |
IntVariableRef globalIntVar(const String& name); |
966 |
RealVariableRef globalRealVar(const String& name); |
967 |
StringVariableRef globalStrVar(const String& name); |
968 |
VariableRef variableByName(const String& name); |
969 |
StatementsRef userFunctionByName(const String& name); |
970 |
void addErr(int firstLine, int lastLine, int firstColumn, int lastColumn, const char* txt); |
971 |
void addWrn(int firstLine, int lastLine, int firstColumn, int lastColumn, const char* txt); |
972 |
void addPreprocessorComment(int firstLine, int lastLine, int firstColumn, int lastColumn); |
973 |
void createScanner(std::istream* is); |
974 |
void destroyScanner(); |
975 |
bool setPreprocessorCondition(const char* name); |
976 |
bool resetPreprocessorCondition(const char* name); |
977 |
bool isPreprocessorConditionSet(const char* name); |
978 |
std::vector<ParserIssue> issues() const OVERRIDE; |
979 |
std::vector<ParserIssue> errors() const OVERRIDE; |
980 |
std::vector<ParserIssue> warnings() const OVERRIDE; |
981 |
std::vector<CodeBlock> preprocessorComments() const OVERRIDE; |
982 |
VMEventHandler* eventHandler(uint index) OVERRIDE; |
983 |
VMEventHandler* eventHandlerByName(const String& name) OVERRIDE; |
984 |
void registerBuiltInConstIntVariables(const std::map<String,vmint>& vars); |
985 |
void registerBuiltInConstRealVariables(const std::map<String,vmfloat>& vars); |
986 |
void registerBuiltInIntVariables(const std::map<String,VMIntPtr*>& vars); |
987 |
void registerBuiltInIntArrayVariables(const std::map<String,VMInt8Array*>& vars); |
988 |
void registerBuiltInDynVariables(const std::map<String,VMDynVar*>& vars); |
989 |
}; |
990 |
|
991 |
class ExecContext FINAL : public VMExecContext { |
992 |
public: |
993 |
struct StackFrame { |
994 |
Statement* statement; |
995 |
int subindex; |
996 |
|
997 |
StackFrame() { |
998 |
statement = NULL; |
999 |
subindex = -1; |
1000 |
} |
1001 |
}; |
1002 |
|
1003 |
ArrayList<vmint> polyphonicIntMemory; |
1004 |
ArrayList<vmfloat> polyphonicRealMemory; |
1005 |
ArrayList<vmfloat> polyphonicUnitFactorMemory; |
1006 |
VMExecStatus_t status; |
1007 |
StmtFlags_t flags; |
1008 |
ArrayList<StackFrame> stack; |
1009 |
int stackFrame; |
1010 |
vmint suspendMicroseconds; |
1011 |
size_t instructionsCount; |
1012 |
struct ExitRes { |
1013 |
Expression* value; |
1014 |
IntLiteral intLiteral; |
1015 |
RealLiteral realLiteral; |
1016 |
StringLiteral stringLiteral; |
1017 |
|
1018 |
ExitRes() : |
1019 |
intLiteral({ .value = 0 }), realLiteral({ .value = 0.0 }), |
1020 |
stringLiteral("") { } |
1021 |
} exitRes; |
1022 |
|
1023 |
ExecContext(); |
1024 |
virtual ~ExecContext() {} |
1025 |
|
1026 |
inline void pushStack(Statement* stmt) { |
1027 |
stackFrame++; |
1028 |
//printf("pushStack() -> %d\n", stackFrame); |
1029 |
if (stackFrame >= stack.size()) return; |
1030 |
stack[stackFrame].statement = stmt; |
1031 |
stack[stackFrame].subindex = 0; |
1032 |
} |
1033 |
|
1034 |
inline void popStack() { |
1035 |
stack[stackFrame].statement = NULL; |
1036 |
stack[stackFrame].subindex = -1; |
1037 |
stackFrame--; |
1038 |
//printf("popStack() -> %d\n", stackFrame); |
1039 |
} |
1040 |
|
1041 |
inline void reset() { |
1042 |
stack[0].statement = NULL; |
1043 |
stack[0].subindex = -1; |
1044 |
stackFrame = -1; |
1045 |
flags = STMT_SUCCESS; |
1046 |
} |
1047 |
|
1048 |
inline void clearExitRes() { |
1049 |
exitRes.value = NULL; |
1050 |
} |
1051 |
|
1052 |
vmint suspensionTimeMicroseconds() const OVERRIDE { |
1053 |
return suspendMicroseconds; |
1054 |
} |
1055 |
|
1056 |
void resetPolyphonicData() OVERRIDE { |
1057 |
if (!polyphonicIntMemory.empty()) |
1058 |
memset(&polyphonicIntMemory[0], 0, polyphonicIntMemory.size() * sizeof(vmint)); |
1059 |
if (!polyphonicRealMemory.empty()) |
1060 |
memset(&polyphonicRealMemory[0], 0, polyphonicRealMemory.size() * sizeof(vmfloat)); |
1061 |
if (!polyphonicUnitFactorMemory.empty()) { |
1062 |
const vmint sz = polyphonicUnitFactorMemory.size(); |
1063 |
for (vmint i = 0; i < sz; ++i) |
1064 |
polyphonicUnitFactorMemory[i] = VM_NO_FACTOR; |
1065 |
} |
1066 |
} |
1067 |
|
1068 |
size_t instructionsPerformed() const OVERRIDE { |
1069 |
return instructionsCount; |
1070 |
} |
1071 |
|
1072 |
void signalAbort() OVERRIDE { |
1073 |
flags = StmtFlags_t(flags | STMT_ABORT_SIGNALLED); |
1074 |
} |
1075 |
|
1076 |
void forkTo(VMExecContext* ectx) const OVERRIDE; |
1077 |
|
1078 |
VMExpr* exitResult() OVERRIDE { |
1079 |
return exitRes.value; |
1080 |
} |
1081 |
}; |
1082 |
|
1083 |
} // namespace LinuxSampler |
1084 |
|
1085 |
#endif // LS_INSTRPARSERTREE_H |