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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 "../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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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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ArrayList<MetricPrefix_t> prefix; |
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StdUnit_t unit; |
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public: |
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Unit() : unit(VM_NO_UNIT) {} |
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MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE; |
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StdUnit_t unitType() const OVERRIDE { return unit; } |
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void setUnit(const std::vector<MetricPrefix_t>& prefix, StdUnit_t type); |
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void setUnit(const MetricPrefix_t* prefixes, StdUnit_t type); |
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void copyUnitFrom(const Ref<Unit,Node>& src); |
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}; |
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typedef Ref<Unit,Node> UnitRef; |
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|
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class ScalarNumberExpr : virtual public Unit, virtual public VMScalarNumberExpr, virtual public Expression { |
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public: |
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}; |
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typedef Ref<ScalarNumberExpr,Node> ScalarNumberExprRef; |
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|
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class IntExpr : virtual public ScalarNumberExpr, virtual public VMIntExpr { |
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public: |
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ExprType_t exprType() const OVERRIDE { return INT_EXPR; } |
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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 ScalarNumberExpr, virtual public VMRealExpr { |
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public: |
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ExprType_t exprType() const OVERRIDE { return REAL_EXPR; } |
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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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class IntLiteral FINAL : public IntExpr { |
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bool finalVal; |
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public: |
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vmint value; |
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IntLiteral(vmint value) : IntExpr(), |
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value(value), finalVal(false) { } |
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vmint evalInt() OVERRIDE; |
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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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void setFinal(bool b = true) { finalVal = b; } |
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}; |
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typedef Ref<IntLiteral,Node> IntLiteralRef; |
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|
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class RealLiteral FINAL : public RealExpr { |
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vmfloat value; |
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bool finalVal; |
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public: |
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RealLiteral(vmfloat value) : RealExpr(), |
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value(value), finalVal(false) { } |
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vmfloat evalReal() OVERRIDE; |
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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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void setFinal(bool b = true) { finalVal = b; } |
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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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public: |
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String value; |
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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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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(ParserContext* ctx, vmint _memPos, bool _bConst) |
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: context(ctx), memPos(_memPos), bConst(_bConst) {} |
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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 ScalarNumberVariable : public Variable, virtual public ScalarNumberExpr { |
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bool polyphonic; |
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bool finalVal; |
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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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void setFinal(bool b = true) { finalVal = b; } |
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protected: |
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ScalarNumberVariable(ParserContext* ctx, vmint _memPos, |
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bool _bConst = false, bool _bPolyphonic = false, |
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bool _bFinal = false); |
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}; |
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typedef Ref<ScalarNumberVariable,Node> ScalarNumberVariableRef; |
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|
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class IntVariable : public ScalarNumberVariable, virtual public IntExpr { |
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public: |
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IntVariable(ParserContext* ctx); |
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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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protected: |
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IntVariable(ParserContext* ctx, bool polyphonic, bool bConst, vmint size = 1); |
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}; |
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typedef Ref<IntVariable,Node> IntVariableRef; |
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|
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class RealVariable : public ScalarNumberVariable, virtual public RealExpr { |
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public: |
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RealVariable(ParserContext* ctx); |
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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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protected: |
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RealVariable(ParserContext* ctx, bool polyphonic, bool bConst, vmint size = 1); |
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}; |
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typedef Ref<RealVariable,Node> RealVariableRef; |
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|
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class ConstIntVariable FINAL : public IntVariable { |
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public: |
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vmint value; |
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|
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ConstIntVariable(vmint value); |
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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<ConstIntVariable,Node> ConstIntVariableRef; |
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|
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class ConstRealVariable FINAL : public RealVariable { |
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public: |
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vmfloat value; |
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|
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ConstRealVariable(vmfloat value); |
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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<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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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(ParserContext* ctx); |
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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(ParserContext* ctx); |
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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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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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String evalCastToStr() OVERRIDE { return ""; } // ignore scalar cast to string |
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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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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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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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String evalCastToStr() OVERRIDE { return ""; } // ignore scalar cast to string |
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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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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; |
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|
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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); |
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vmint arraySize() const OVERRIDE { return array->size; } |
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vmint evalIntElement(vmuint i) OVERRIDE; |
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bool isAssignable() const OVERRIDE { return !array->readonly; } |
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void assignIntElement(vmuint i, vmint value) OVERRIDE; |
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void dump(int level = 0) OVERRIDE; |
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}; |
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typedef Ref<BuiltInIntArrayVariable,Node> BuiltInIntArrayVariableRef; |
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|
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class IntArrayElement FINAL : public IntVariable { |
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IntArrayExprRef array; |
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IntExprRef index; |
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public: |
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IntArrayElement(IntArrayExprRef array, IntExprRef arrayIndex); |
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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<IntArrayElement,Node> IntArrayElementRef; |
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|
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class RealArrayElement FINAL : public RealVariable { |
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RealArrayExprRef array; |
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IntExprRef index; |
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public: |
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RealArrayElement(RealArrayExprRef array, IntExprRef arrayIndex); |
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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<RealArrayElement,Node> RealArrayElementRef; |
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|
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class StringVariable : public Variable, virtual public StringExpr { |
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public: |
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StringVariable(ParserContext* ctx); |
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void assign(Expression* expr) OVERRIDE; |
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String evalStr() 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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StringVariable(ParserContext* ctx, bool bConst); |
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}; |
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typedef Ref<StringVariable,Node> StringVariableRef; |
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|
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class ConstStringVariable FINAL : public StringVariable { |
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public: |
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String value; |
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|
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ConstStringVariable(ParserContext* ctx, String value = ""); |
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void assign(Expression* expr) OVERRIDE; |
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String evalStr() OVERRIDE; |
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void dump(int level = 0) OVERRIDE; |
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}; |
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typedef Ref<ConstStringVariable,Node> ConstStringVariableRef; |
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|
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class BinaryOp : virtual public Expression { |
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protected: |
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ExpressionRef lhs; |
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ExpressionRef rhs; |
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public: |
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BinaryOp(ExpressionRef lhs, ExpressionRef rhs) : lhs(lhs), rhs(rhs) { } |
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bool isConstExpr() const OVERRIDE { return lhs->isConstExpr() && rhs->isConstExpr(); } |
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bool isPolyphonic() const OVERRIDE { return lhs->isPolyphonic() || rhs->isPolyphonic(); } |
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}; |
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typedef Ref<BinaryOp,Node> BinaryOpRef; |
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|
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class ScalarNumberBinaryOp : public BinaryOp, virtual public ScalarNumberExpr { |
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public: |
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ScalarNumberBinaryOp(ScalarNumberExprRef lhs, ScalarNumberExprRef rhs) : BinaryOp(lhs, rhs) { } |
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MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE; |
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StdUnit_t unitType() const OVERRIDE; |
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bool isFinal() const OVERRIDE; |
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}; |
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typedef Ref<ScalarNumberBinaryOp,Node> ScalarNumberBinaryOpRef; |
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|
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class IntBinaryOp : public ScalarNumberBinaryOp, virtual public IntExpr { |
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public: |
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IntBinaryOp(IntExprRef lhs, IntExprRef rhs) : ScalarNumberBinaryOp(lhs, rhs) { } |
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}; |
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typedef Ref<IntBinaryOp,Node> IntBinaryOpRef; |
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|
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class VaritypeScalarBinaryOp : public ScalarNumberBinaryOp, virtual public IntExpr, virtual public RealExpr { |
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public: |
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VaritypeScalarBinaryOp(ScalarNumberExprRef lhs, ScalarNumberExprRef rhs) : ScalarNumberBinaryOp(lhs, rhs) { } |
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ExprType_t exprType() const OVERRIDE; |
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String evalCastToStr() OVERRIDE; |
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}; |
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typedef Ref<VaritypeScalarBinaryOp,Node> VaritypeScalarBinaryOpRef; |
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|
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class Add FINAL : public VaritypeScalarBinaryOp { |
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public: |
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Add(ScalarNumberExprRef lhs, ScalarNumberExprRef rhs) : VaritypeScalarBinaryOp(lhs, rhs) { } |
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vmint evalInt() 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<Add,Node> AddRef; |
407 |
|
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class Sub FINAL : public VaritypeScalarBinaryOp { |
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public: |
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Sub(ScalarNumberExprRef lhs, ScalarNumberExprRef rhs) : VaritypeScalarBinaryOp(lhs, rhs) { } |
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vmint evalInt() OVERRIDE; |
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vmfloat evalReal() OVERRIDE; |
413 |
void dump(int level = 0) OVERRIDE; |
414 |
}; |
415 |
typedef Ref<Sub,Node> SubRef; |
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|
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class Mul FINAL : public VaritypeScalarBinaryOp { |
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public: |
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Mul(ScalarNumberExprRef lhs, ScalarNumberExprRef rhs) : VaritypeScalarBinaryOp(lhs, rhs) { } |
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vmint evalInt() OVERRIDE; |
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vmfloat evalReal() OVERRIDE; |
422 |
void dump(int level = 0) OVERRIDE; |
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MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE; |
424 |
StdUnit_t unitType() const OVERRIDE; |
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}; |
426 |
typedef Ref<Mul,Node> MulRef; |
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|
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class Div FINAL : public VaritypeScalarBinaryOp { |
429 |
public: |
430 |
Div(ScalarNumberExprRef lhs, ScalarNumberExprRef rhs) : VaritypeScalarBinaryOp(lhs, rhs) { } |
431 |
vmint evalInt() OVERRIDE; |
432 |
vmfloat evalReal() OVERRIDE; |
433 |
void dump(int level = 0) OVERRIDE; |
434 |
MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE; |
435 |
StdUnit_t unitType() const OVERRIDE; |
436 |
}; |
437 |
typedef Ref<Div,Node> DivRef; |
438 |
|
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class Mod FINAL : public IntBinaryOp { |
440 |
public: |
441 |
Mod(IntExprRef lhs, IntExprRef rhs) : IntBinaryOp(lhs, rhs) { } |
442 |
vmint evalInt() OVERRIDE; |
443 |
void dump(int level = 0) OVERRIDE; |
444 |
}; |
445 |
typedef Ref<Mod,Node> ModRef; |
446 |
|
447 |
class Statement : virtual public Node { |
448 |
public: |
449 |
virtual StmtType_t statementType() const = 0; |
450 |
}; |
451 |
typedef Ref<Statement,Node> StatementRef; |
452 |
|
453 |
// Just used by parser to avoid "not a statement" parser warning, will be |
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// filtered out by parser. So it will not be part of the VM tree after parsing. |
455 |
class NoOperation FINAL : public Statement { |
456 |
public: |
457 |
NoOperation() : Statement() {} |
458 |
StmtType_t statementType() const OVERRIDE { return STMT_NOOP; } |
459 |
void dump(int level = 0) OVERRIDE {} |
460 |
bool isPolyphonic() const OVERRIDE { return false; } |
461 |
}; |
462 |
typedef Ref<NoOperation,Node> NoOperationRef; |
463 |
|
464 |
bool isNoOperation(StatementRef statement); |
465 |
|
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class LeafStatement : public Statement { |
467 |
public: |
468 |
virtual StmtFlags_t exec() = 0; |
469 |
StmtType_t statementType() const OVERRIDE { return STMT_LEAF; } |
470 |
}; |
471 |
typedef Ref<LeafStatement,Node> LeafStatementRef; |
472 |
|
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class Statements : public Statement { |
474 |
std::vector<StatementRef> args; |
475 |
public: |
476 |
void add(StatementRef arg) { args.push_back(arg); } |
477 |
void dump(int level = 0) OVERRIDE; |
478 |
StmtType_t statementType() const OVERRIDE { return STMT_LIST; } |
479 |
virtual Statement* statement(uint i); |
480 |
bool isPolyphonic() const OVERRIDE; |
481 |
}; |
482 |
typedef Ref<Statements,Node> StatementsRef; |
483 |
|
484 |
class BranchStatement : public Statement { |
485 |
public: |
486 |
StmtType_t statementType() const OVERRIDE { return STMT_BRANCH; } |
487 |
virtual vmint evalBranch() = 0; |
488 |
virtual Statements* branch(vmuint i) const = 0; |
489 |
}; |
490 |
|
491 |
class DynamicVariableCall FINAL : public Variable, virtual public IntExpr, virtual public StringExpr, virtual public IntArrayExpr { |
492 |
VMDynVar* dynVar; |
493 |
String varName; |
494 |
public: |
495 |
DynamicVariableCall(const String& name, ParserContext* ctx, VMDynVar* v); |
496 |
ExprType_t exprType() const OVERRIDE { return dynVar->exprType(); } |
497 |
bool isConstExpr() const OVERRIDE { return dynVar->isConstExpr(); } |
498 |
bool isAssignable() const OVERRIDE { return dynVar->isAssignable(); } |
499 |
bool isPolyphonic() const OVERRIDE { return false; } |
500 |
void assign(Expression* expr) OVERRIDE { dynVar->assignExpr(expr); } |
501 |
VMIntArrayExpr* asIntArray() const OVERRIDE { return dynVar->asIntArray(); } |
502 |
vmint evalInt() OVERRIDE; |
503 |
String evalStr() OVERRIDE; |
504 |
String evalCastToStr() OVERRIDE; |
505 |
vmint arraySize() const OVERRIDE { return dynVar->asIntArray()->arraySize(); } |
506 |
vmint evalIntElement(vmuint i) OVERRIDE { return dynVar->asIntArray()->evalIntElement(i); } |
507 |
void assignIntElement(vmuint i, vmint value) OVERRIDE { return dynVar->asIntArray()->assignIntElement(i, value); } |
508 |
void dump(int level = 0) OVERRIDE; |
509 |
MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE { return VM_NO_PREFIX; } |
510 |
StdUnit_t unitType() const OVERRIDE { return VM_NO_UNIT; } |
511 |
bool isFinal() const OVERRIDE { return false; } |
512 |
}; |
513 |
typedef Ref<DynamicVariableCall,Node> DynamicVariableCallRef; |
514 |
|
515 |
class FunctionCall : virtual public LeafStatement, virtual public IntExpr, virtual public RealExpr, virtual public StringExpr { |
516 |
String functionName; |
517 |
ArgsRef args; |
518 |
VMFunction* fn; |
519 |
public: |
520 |
FunctionCall(const char* function, ArgsRef args, VMFunction* fn) : |
521 |
functionName(function), args(args), fn(fn) { } |
522 |
void dump(int level = 0) OVERRIDE; |
523 |
StmtFlags_t exec() OVERRIDE; |
524 |
vmint evalInt() OVERRIDE; |
525 |
vmfloat evalReal() OVERRIDE; |
526 |
VMIntArrayExpr* asIntArray() const OVERRIDE; |
527 |
VMRealArrayExpr* asRealArray() const OVERRIDE; |
528 |
String evalStr() OVERRIDE; |
529 |
bool isConstExpr() const OVERRIDE { return false; } |
530 |
ExprType_t exprType() const OVERRIDE; |
531 |
String evalCastToStr() OVERRIDE; |
532 |
bool isPolyphonic() const OVERRIDE { return args->isPolyphonic(); } |
533 |
MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE { return VM_NO_PREFIX; } |
534 |
StdUnit_t unitType() const OVERRIDE { return VM_NO_UNIT; } |
535 |
bool isFinal() const OVERRIDE { return false; } |
536 |
protected: |
537 |
VMFnResult* execVMFn(); |
538 |
}; |
539 |
typedef Ref<FunctionCall,Node> FunctionCallRef; |
540 |
|
541 |
class NoFunctionCall FINAL : public FunctionCall { |
542 |
public: |
543 |
NoFunctionCall() : FunctionCall("nothing", new Args, NULL) {} |
544 |
StmtType_t statementType() const OVERRIDE { return STMT_NOOP; } |
545 |
}; |
546 |
typedef Ref<NoFunctionCall,Node> NoFunctionCallRef; |
547 |
|
548 |
class EventHandler : virtual public Statements, virtual public VMEventHandler { |
549 |
StatementsRef statements; |
550 |
bool usingPolyphonics; |
551 |
public: |
552 |
void dump(int level = 0) OVERRIDE; |
553 |
StmtFlags_t exec(); |
554 |
EventHandler(StatementsRef statements); |
555 |
Statement* statement(uint i) OVERRIDE { return statements->statement(i); } |
556 |
bool isPolyphonic() const OVERRIDE { return usingPolyphonics; } |
557 |
}; |
558 |
typedef Ref<EventHandler,Node> EventHandlerRef; |
559 |
|
560 |
class OnNote FINAL : public EventHandler { |
561 |
public: |
562 |
OnNote(StatementsRef statements) : EventHandler(statements) {} |
563 |
VMEventHandlerType_t eventHandlerType() const OVERRIDE { return VM_EVENT_HANDLER_NOTE; } |
564 |
String eventHandlerName() const OVERRIDE { return "note"; } |
565 |
}; |
566 |
typedef Ref<OnNote,Node> OnNoteRef; |
567 |
|
568 |
class OnInit FINAL : public EventHandler { |
569 |
public: |
570 |
OnInit(StatementsRef statements) : EventHandler(statements) {} |
571 |
VMEventHandlerType_t eventHandlerType() const OVERRIDE { return VM_EVENT_HANDLER_INIT; } |
572 |
String eventHandlerName() const OVERRIDE { return "init"; } |
573 |
}; |
574 |
typedef Ref<OnInit,Node> OnInitRef; |
575 |
|
576 |
class OnRelease FINAL : public EventHandler { |
577 |
public: |
578 |
OnRelease(StatementsRef statements) : EventHandler(statements) {} |
579 |
VMEventHandlerType_t eventHandlerType() const OVERRIDE { return VM_EVENT_HANDLER_RELEASE; } |
580 |
String eventHandlerName() const OVERRIDE { return "release"; } |
581 |
}; |
582 |
typedef Ref<OnRelease,Node> OnReleaseRef; |
583 |
|
584 |
class OnController FINAL : public EventHandler { |
585 |
public: |
586 |
OnController(StatementsRef statements) : EventHandler(statements) {} |
587 |
VMEventHandlerType_t eventHandlerType() const OVERRIDE { return VM_EVENT_HANDLER_CONTROLLER; } |
588 |
String eventHandlerName() const OVERRIDE { return "controller"; } |
589 |
}; |
590 |
typedef Ref<OnController,Node> OnControllerRef; |
591 |
|
592 |
class EventHandlers FINAL : virtual public Node { |
593 |
std::vector<EventHandlerRef> args; |
594 |
public: |
595 |
EventHandlers(); |
596 |
~EventHandlers(); |
597 |
void add(EventHandlerRef arg); |
598 |
void dump(int level = 0) OVERRIDE; |
599 |
EventHandler* eventHandlerByName(const String& name) const; |
600 |
EventHandler* eventHandler(uint index) const; |
601 |
inline uint size() const { return (int) args.size(); } |
602 |
bool isPolyphonic() const OVERRIDE; |
603 |
}; |
604 |
typedef Ref<EventHandlers,Node> EventHandlersRef; |
605 |
|
606 |
class Assignment FINAL : public LeafStatement { |
607 |
protected: |
608 |
VariableRef variable; |
609 |
ExpressionRef value; |
610 |
public: |
611 |
Assignment(VariableRef variable, ExpressionRef value); |
612 |
void dump(int level = 0) OVERRIDE; |
613 |
StmtFlags_t exec() OVERRIDE; |
614 |
bool isPolyphonic() const OVERRIDE { return (variable && variable->isPolyphonic()) || (value && value->isPolyphonic()); } |
615 |
}; |
616 |
typedef Ref<Assignment,Node> AssignmentRef; |
617 |
|
618 |
class If FINAL : public BranchStatement { |
619 |
IntExprRef condition; |
620 |
StatementsRef ifStatements; |
621 |
StatementsRef elseStatements; |
622 |
public: |
623 |
If(IntExprRef condition, StatementsRef ifStatements, StatementsRef elseStatements) : |
624 |
condition(condition), ifStatements(ifStatements), elseStatements(elseStatements) { } |
625 |
If(IntExprRef condition, StatementsRef statements) : |
626 |
condition(condition), ifStatements(statements) { } |
627 |
void dump(int level = 0) OVERRIDE; |
628 |
vmint evalBranch() OVERRIDE; |
629 |
Statements* branch(vmuint i) const OVERRIDE; |
630 |
bool isPolyphonic() const OVERRIDE; |
631 |
}; |
632 |
typedef Ref<If,Node> IfRef; |
633 |
|
634 |
struct CaseBranch FINAL { |
635 |
IntExprRef from; |
636 |
IntExprRef to; |
637 |
StatementsRef statements; |
638 |
}; |
639 |
typedef std::vector<CaseBranch> CaseBranches; |
640 |
|
641 |
class SelectCase FINAL : public BranchStatement { |
642 |
IntExprRef select; |
643 |
CaseBranches branches; |
644 |
public: |
645 |
SelectCase(IntExprRef select, const CaseBranches& branches) : select(select), branches(branches) { } |
646 |
void dump(int level = 0) OVERRIDE; |
647 |
vmint evalBranch() OVERRIDE; |
648 |
Statements* branch(vmuint i) const OVERRIDE; |
649 |
//void addBranch(IntExprRef condition, StatementsRef statements); |
650 |
//void addBranch(IntExprRef from, IntExprRef to, StatementsRef statements); |
651 |
//void addBranch(CaseBranchRef branch); |
652 |
//void addBranches(CaseBranchesRef branches); |
653 |
bool isPolyphonic() const OVERRIDE; |
654 |
}; |
655 |
typedef Ref<SelectCase,Node> SelectCaseRef; |
656 |
|
657 |
class While FINAL : public Statement { |
658 |
IntExprRef m_condition; |
659 |
StatementsRef m_statements; |
660 |
public: |
661 |
While(IntExprRef condition, StatementsRef statements) : |
662 |
m_condition(condition), m_statements(statements) {} |
663 |
StmtType_t statementType() const OVERRIDE { return STMT_LOOP; } |
664 |
void dump(int level = 0) OVERRIDE; |
665 |
bool evalLoopStartCondition(); |
666 |
Statements* statements() const; |
667 |
bool isPolyphonic() const OVERRIDE { return m_condition->isPolyphonic() || m_statements->isPolyphonic(); } |
668 |
}; |
669 |
|
670 |
class SyncBlock FINAL : public Statement { |
671 |
StatementsRef m_statements; |
672 |
public: |
673 |
SyncBlock(StatementsRef statements) : m_statements(statements) {} |
674 |
StmtType_t statementType() const OVERRIDE { return STMT_SYNC; } |
675 |
void dump(int level = 0) OVERRIDE; |
676 |
Statements* statements() const; |
677 |
bool isPolyphonic() const OVERRIDE { return m_statements->isPolyphonic(); } |
678 |
}; |
679 |
typedef Ref<SyncBlock,Node> SyncBlockRef; |
680 |
|
681 |
class Neg FINAL : public IntExpr { |
682 |
IntExprRef expr; |
683 |
public: |
684 |
Neg(IntExprRef expr) : expr(expr) { } |
685 |
vmint evalInt() OVERRIDE { return (expr) ? -expr->evalInt() : 0; } |
686 |
void dump(int level = 0) OVERRIDE; |
687 |
bool isConstExpr() const OVERRIDE { return expr->isConstExpr(); } |
688 |
bool isPolyphonic() const OVERRIDE { return expr->isPolyphonic(); } |
689 |
MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE { return expr->unitPrefix(i); } |
690 |
StdUnit_t unitType() const OVERRIDE { return expr->unitType(); } |
691 |
bool isFinal() const OVERRIDE { return expr->isFinal(); } |
692 |
}; |
693 |
typedef Ref<Neg,Node> NegRef; |
694 |
|
695 |
class ConcatString FINAL : public StringExpr { |
696 |
ExpressionRef lhs; |
697 |
ExpressionRef rhs; |
698 |
public: |
699 |
ConcatString(ExpressionRef lhs, ExpressionRef rhs) : lhs(lhs), rhs(rhs) {} |
700 |
String evalStr() OVERRIDE; |
701 |
void dump(int level = 0) OVERRIDE; |
702 |
bool isConstExpr() const OVERRIDE; |
703 |
bool isPolyphonic() const OVERRIDE { return lhs->isPolyphonic() || rhs->isPolyphonic(); } |
704 |
}; |
705 |
typedef Ref<ConcatString,Node> ConcatStringRef; |
706 |
|
707 |
class Relation FINAL : public IntExpr { |
708 |
public: |
709 |
enum Type { |
710 |
LESS_THAN, |
711 |
GREATER_THAN, |
712 |
LESS_OR_EQUAL, |
713 |
GREATER_OR_EQUAL, |
714 |
EQUAL, |
715 |
NOT_EQUAL |
716 |
}; |
717 |
Relation(ExpressionRef lhs, Type type, ExpressionRef rhs) : |
718 |
lhs(lhs), rhs(rhs), type(type) {} |
719 |
vmint evalInt() OVERRIDE; |
720 |
void dump(int level = 0) OVERRIDE; |
721 |
bool isConstExpr() const OVERRIDE; |
722 |
bool isPolyphonic() const OVERRIDE { return lhs->isPolyphonic() || rhs->isPolyphonic(); } |
723 |
MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE { return VM_NO_PREFIX; } |
724 |
StdUnit_t unitType() const OVERRIDE { return VM_NO_UNIT; } |
725 |
bool isFinal() const OVERRIDE { return false; } |
726 |
private: |
727 |
ExpressionRef lhs; |
728 |
ExpressionRef rhs; |
729 |
Type type; |
730 |
}; |
731 |
typedef Ref<Relation,Node> RelationRef; |
732 |
|
733 |
class Or FINAL : public IntBinaryOp { |
734 |
public: |
735 |
Or(IntExprRef lhs, IntExprRef rhs) : IntBinaryOp(lhs,rhs) {} |
736 |
vmint evalInt() OVERRIDE; |
737 |
void dump(int level = 0) OVERRIDE; |
738 |
}; |
739 |
typedef Ref<Or,Node> OrRef; |
740 |
|
741 |
class BitwiseOr FINAL : public IntBinaryOp { |
742 |
public: |
743 |
BitwiseOr(IntExprRef lhs, IntExprRef rhs) : IntBinaryOp(lhs,rhs) {} |
744 |
vmint evalInt() OVERRIDE; |
745 |
void dump(int level = 0) OVERRIDE; |
746 |
MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE { return VM_NO_PREFIX; } |
747 |
StdUnit_t unitType() const OVERRIDE { return VM_NO_UNIT; } |
748 |
}; |
749 |
typedef Ref<BitwiseOr,Node> BitwiseOrRef; |
750 |
|
751 |
class And FINAL : public IntBinaryOp { |
752 |
public: |
753 |
And(IntExprRef lhs, IntExprRef rhs) : IntBinaryOp(lhs,rhs) {} |
754 |
vmint evalInt() OVERRIDE; |
755 |
void dump(int level = 0) OVERRIDE; |
756 |
}; |
757 |
typedef Ref<And,Node> AndRef; |
758 |
|
759 |
class BitwiseAnd FINAL : public IntBinaryOp { |
760 |
public: |
761 |
BitwiseAnd(IntExprRef lhs, IntExprRef rhs) : IntBinaryOp(lhs,rhs) {} |
762 |
vmint evalInt() OVERRIDE; |
763 |
void dump(int level = 0) OVERRIDE; |
764 |
MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE { return VM_NO_PREFIX; } |
765 |
StdUnit_t unitType() const OVERRIDE { return VM_NO_UNIT; } |
766 |
}; |
767 |
typedef Ref<BitwiseAnd,Node> BitwiseAndRef; |
768 |
|
769 |
class Not FINAL : virtual public IntExpr { |
770 |
IntExprRef expr; |
771 |
public: |
772 |
Not(IntExprRef expr) : expr(expr) {} |
773 |
vmint evalInt() OVERRIDE { return !expr->evalInt(); } |
774 |
void dump(int level = 0) OVERRIDE; |
775 |
bool isConstExpr() const OVERRIDE { return expr->isConstExpr(); } |
776 |
bool isPolyphonic() const OVERRIDE { return expr->isPolyphonic(); } |
777 |
MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE { return VM_NO_PREFIX; } |
778 |
StdUnit_t unitType() const OVERRIDE { return VM_NO_UNIT; } |
779 |
bool isFinal() const OVERRIDE { return expr->isFinal(); } |
780 |
}; |
781 |
typedef Ref<Not,Node> NotRef; |
782 |
|
783 |
class BitwiseNot FINAL : virtual public IntExpr { |
784 |
IntExprRef expr; |
785 |
public: |
786 |
BitwiseNot(IntExprRef expr) : expr(expr) {} |
787 |
vmint evalInt() OVERRIDE { return ~expr->evalInt(); } |
788 |
void dump(int level = 0) OVERRIDE; |
789 |
bool isConstExpr() const OVERRIDE { return expr->isConstExpr(); } |
790 |
bool isPolyphonic() const OVERRIDE { return expr->isPolyphonic(); } |
791 |
MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE { return VM_NO_PREFIX; } |
792 |
StdUnit_t unitType() const OVERRIDE { return VM_NO_UNIT; } |
793 |
bool isFinal() const OVERRIDE { return expr->isFinal(); } |
794 |
}; |
795 |
typedef Ref<BitwiseNot,Node> BitwiseNotRef; |
796 |
|
797 |
class Final FINAL : virtual public IntExpr, virtual public RealExpr { |
798 |
ScalarNumberExprRef expr; |
799 |
public: |
800 |
Final(ScalarNumberExprRef expr) : expr(expr) {} |
801 |
ExprType_t exprType() const OVERRIDE { return expr->exprType(); } |
802 |
vmint evalInt() OVERRIDE { return expr->asInt()->evalInt(); } |
803 |
vmfloat evalReal() OVERRIDE { return expr->asReal()->evalReal(); } |
804 |
String evalCastToStr() OVERRIDE; |
805 |
void dump(int level = 0) OVERRIDE; |
806 |
bool isConstExpr() const OVERRIDE { return expr->isConstExpr(); } |
807 |
bool isPolyphonic() const OVERRIDE { return expr->isPolyphonic(); } |
808 |
MetricPrefix_t unitPrefix(vmuint i) const OVERRIDE { return expr->unitPrefix(i); } |
809 |
StdUnit_t unitType() const OVERRIDE { return expr->unitType(); } |
810 |
bool isFinal() const OVERRIDE { return true; } |
811 |
}; |
812 |
typedef Ref<Final,Node> FinalRef; |
813 |
|
814 |
class ParserContext FINAL : public VMParserContext { |
815 |
public: |
816 |
struct Error { |
817 |
String txt; |
818 |
int line; |
819 |
}; |
820 |
typedef Error Warning; |
821 |
|
822 |
void* scanner; |
823 |
std::istream* is; |
824 |
std::vector<ParserIssue> vErrors; |
825 |
std::vector<ParserIssue> vWarnings; |
826 |
std::vector<ParserIssue> vIssues; |
827 |
std::vector<CodeBlock> vPreprocessorComments; |
828 |
|
829 |
std::set<String> builtinPreprocessorConditions; |
830 |
std::set<String> userPreprocessorConditions; |
831 |
|
832 |
std::map<String,VariableRef> vartable; |
833 |
std::map<String,StatementsRef> userFnTable; |
834 |
vmint globalIntVarCount; |
835 |
vmint globalRealVarCount; |
836 |
vmint globalStrVarCount; |
837 |
vmint polyphonicIntVarCount; |
838 |
vmint polyphonicRealVarCount; |
839 |
|
840 |
EventHandlersRef handlers; |
841 |
|
842 |
OnInitRef onInit; |
843 |
OnNoteRef onNote; |
844 |
OnReleaseRef onRelease; |
845 |
OnControllerRef onController; |
846 |
|
847 |
ArrayList<vmint>* globalIntMemory; |
848 |
ArrayList<vmfloat>* globalRealMemory; |
849 |
ArrayList<String>* globalStrMemory; |
850 |
vmint requiredMaxStackSize; |
851 |
|
852 |
VMFunctionProvider* functionProvider; |
853 |
|
854 |
ExecContext* execContext; |
855 |
|
856 |
ParserContext(VMFunctionProvider* parent) : |
857 |
scanner(NULL), is(NULL), |
858 |
globalIntVarCount(0), globalRealVarCount(0), globalStrVarCount(0), |
859 |
polyphonicIntVarCount(0), polyphonicRealVarCount(0), |
860 |
globalIntMemory(NULL), globalRealMemory(NULL), globalStrMemory(NULL), |
861 |
requiredMaxStackSize(-1), |
862 |
functionProvider(parent), execContext(NULL) |
863 |
{ |
864 |
} |
865 |
virtual ~ParserContext(); |
866 |
VariableRef globalVar(const String& name); |
867 |
IntVariableRef globalIntVar(const String& name); |
868 |
RealVariableRef globalRealVar(const String& name); |
869 |
StringVariableRef globalStrVar(const String& name); |
870 |
VariableRef variableByName(const String& name); |
871 |
StatementsRef userFunctionByName(const String& name); |
872 |
void addErr(int firstLine, int lastLine, int firstColumn, int lastColumn, const char* txt); |
873 |
void addWrn(int firstLine, int lastLine, int firstColumn, int lastColumn, const char* txt); |
874 |
void addPreprocessorComment(int firstLine, int lastLine, int firstColumn, int lastColumn); |
875 |
void createScanner(std::istream* is); |
876 |
void destroyScanner(); |
877 |
bool setPreprocessorCondition(const char* name); |
878 |
bool resetPreprocessorCondition(const char* name); |
879 |
bool isPreprocessorConditionSet(const char* name); |
880 |
std::vector<ParserIssue> issues() const OVERRIDE; |
881 |
std::vector<ParserIssue> errors() const OVERRIDE; |
882 |
std::vector<ParserIssue> warnings() const OVERRIDE; |
883 |
std::vector<CodeBlock> preprocessorComments() const OVERRIDE; |
884 |
VMEventHandler* eventHandler(uint index) OVERRIDE; |
885 |
VMEventHandler* eventHandlerByName(const String& name) OVERRIDE; |
886 |
void registerBuiltInConstIntVariables(const std::map<String,vmint>& vars); |
887 |
void registerBuiltInIntVariables(const std::map<String,VMIntPtr*>& vars); |
888 |
void registerBuiltInIntArrayVariables(const std::map<String,VMInt8Array*>& vars); |
889 |
void registerBuiltInDynVariables(const std::map<String,VMDynVar*>& vars); |
890 |
}; |
891 |
|
892 |
class ExecContext FINAL : public VMExecContext { |
893 |
public: |
894 |
struct StackFrame { |
895 |
Statement* statement; |
896 |
int subindex; |
897 |
|
898 |
StackFrame() { |
899 |
statement = NULL; |
900 |
subindex = -1; |
901 |
} |
902 |
}; |
903 |
|
904 |
ArrayList<vmint> polyphonicIntMemory; |
905 |
ArrayList<vmfloat> polyphonicRealMemory; |
906 |
VMExecStatus_t status; |
907 |
StmtFlags_t flags; |
908 |
ArrayList<StackFrame> stack; |
909 |
int stackFrame; |
910 |
vmint suspendMicroseconds; |
911 |
size_t instructionsCount; |
912 |
struct ExitRes { |
913 |
Expression* value; |
914 |
IntLiteral intLiteral; |
915 |
StringLiteral stringLiteral; |
916 |
|
917 |
ExitRes() : intLiteral(0), stringLiteral("") { } |
918 |
} exitRes; |
919 |
|
920 |
ExecContext(); |
921 |
virtual ~ExecContext() {} |
922 |
|
923 |
inline void pushStack(Statement* stmt) { |
924 |
stackFrame++; |
925 |
//printf("pushStack() -> %d\n", stackFrame); |
926 |
if (stackFrame >= stack.size()) return; |
927 |
stack[stackFrame].statement = stmt; |
928 |
stack[stackFrame].subindex = 0; |
929 |
} |
930 |
|
931 |
inline void popStack() { |
932 |
stack[stackFrame].statement = NULL; |
933 |
stack[stackFrame].subindex = -1; |
934 |
stackFrame--; |
935 |
//printf("popStack() -> %d\n", stackFrame); |
936 |
} |
937 |
|
938 |
inline void reset() { |
939 |
stack[0].statement = NULL; |
940 |
stack[0].subindex = -1; |
941 |
stackFrame = -1; |
942 |
flags = STMT_SUCCESS; |
943 |
} |
944 |
|
945 |
inline void clearExitRes() { |
946 |
exitRes.value = NULL; |
947 |
} |
948 |
|
949 |
vmint suspensionTimeMicroseconds() const OVERRIDE { |
950 |
return suspendMicroseconds; |
951 |
} |
952 |
|
953 |
void resetPolyphonicData() OVERRIDE { |
954 |
if (!polyphonicIntMemory.empty()) |
955 |
memset(&polyphonicIntMemory[0], 0, polyphonicIntMemory.size() * sizeof(vmint)); |
956 |
if (!polyphonicRealMemory.empty()) |
957 |
memset(&polyphonicRealMemory[0], 0, polyphonicRealMemory.size() * sizeof(vmfloat)); |
958 |
} |
959 |
|
960 |
size_t instructionsPerformed() const OVERRIDE { |
961 |
return instructionsCount; |
962 |
} |
963 |
|
964 |
void signalAbort() OVERRIDE { |
965 |
flags = StmtFlags_t(flags | STMT_ABORT_SIGNALLED); |
966 |
} |
967 |
|
968 |
void forkTo(VMExecContext* ectx) const OVERRIDE; |
969 |
|
970 |
VMExpr* exitResult() OVERRIDE { |
971 |
return exitRes.value; |
972 |
} |
973 |
}; |
974 |
|
975 |
} // namespace LinuxSampler |
976 |
|
977 |
#endif // LS_INSTRPARSERTREE_H |