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// Copyright (c) 1996 James Clark
// See the file copying.txt for copying permission.
#ifndef Insn2_INCLUDED
#define Insn2_INCLUDED 1
#include "Insn.h"
#include "SosofoObj.h"
#include "Style.h"
#ifdef DSSSL_NAMESPACE
namespace DSSSL_NAMESPACE {
#endif
class CheckSosofoInsn : public Insn {
public:
CheckSosofoInsn(const Location &loc, InsnPtr next) : loc_(loc), next_(next) { }
const Insn *execute(VM &vm) const;
private:
Location loc_;
InsnPtr next_;
};
class CheckStyleInsn : public Insn {
public:
CheckStyleInsn(const Location &loc, InsnPtr next) : loc_(loc), next_(next) { }
const Insn *execute(VM &vm) const;
private:
Location loc_;
InsnPtr next_;
};
class ProcessingMode;
class PushModeInsn : public Insn {
public:
PushModeInsn(const ProcessingMode *mode, InsnPtr next)
: mode_(mode), next_(next) { }
const Insn *execute(VM &) const;
private:
const ProcessingMode *mode_;
InsnPtr next_;
};
class PopModeInsn : public Insn {
public:
PopModeInsn(InsnPtr next) : next_(next) { }
const Insn *execute(VM &) const;
private:
InsnPtr next_;
};
// This creates a SetNonInheritedCsSosofo
// displayLength_ vars are on the top of the stack.
// flowObj is next.
class SetNonInheritedCsSosofoInsn : public Insn {
public:
SetNonInheritedCsSosofoInsn(InsnPtr code, int displayLength, InsnPtr next);
const Insn *execute(VM &) const;
private:
InsnPtr code_;
int displayLength_;
InsnPtr next_;
};
class CopyFlowObjInsn : public Insn {
public:
CopyFlowObjInsn(FlowObj *, const Location &, InsnPtr);
const Insn *execute(VM &) const;
private:
FlowObj *flowObj_;
InsnPtr next_;
Location loc_;
};
// Value for characteristic is on top of the stack
// Flow object is next down.
class SetPseudoNonInheritedCInsn : public Insn {
public:
SetPseudoNonInheritedCInsn(const Identifier *, const Location &, InsnPtr);
const Insn *execute(VM &) const;
private:
Location loc_;
const Identifier *nic_;
InsnPtr next_;
};
class SetNonInheritedCInsn : public SetPseudoNonInheritedCInsn {
public:
SetNonInheritedCInsn(const Identifier *, const Location &, InsnPtr);
const Insn *execute(VM &) const;
};
class SetImplicitCharInsn : public Insn {
public:
SetImplicitCharInsn(const Location &, InsnPtr);
const Insn *execute(VM &) const;
private:
Location loc_;
InsnPtr next_;
};
// sosofo with content is on top of the stack
// flow object is next
class SetContentInsn : public Insn {
public:
SetContentInsn(const CompoundFlowObj *, const Location &, InsnPtr next);
const Insn *execute(VM &vm) const;
private:
InsnPtr next_;
const CompoundFlowObj *flowObj_;
Location loc_;
};
class SetDefaultContentInsn : public Insn {
public:
SetDefaultContentInsn(const CompoundFlowObj *, const Location &loc, InsnPtr next);
const Insn *execute(VM &vm) const;
private:
Location loc_;
InsnPtr next_;
const CompoundFlowObj *flowObj_;
};
class MakeDefaultContentInsn : public Insn {
public:
MakeDefaultContentInsn(const Location &loc, InsnPtr next);
const Insn *execute(VM &vm) const;
private:
Location loc_;
InsnPtr next_;
};
class SosofoAppendInsn : public Insn {
public:
SosofoAppendInsn(size_t, InsnPtr);
const Insn *execute(VM &vm) const;
private:
size_t n_;
InsnPtr next_;
};
// This creates a VarStyleObj.
// displayLength vars are on the top, then the use StyleObj is there is one.
class VarStyleInsn : public Insn {
public:
VarStyleInsn(const ConstPtr<StyleSpec> &, unsigned, bool, InsnPtr);
const Insn *execute(VM &vm) const;
private:
unsigned displayLength_;
bool hasUse_;
ConstPtr<StyleSpec> styleSpec_;
InsnPtr next_;
};
// BasicStyleObj is on top of stack.
// If there is a current overriding style,
// replace it by an OverridenStyleObj.
class MaybeOverrideStyleInsn : public Insn {
public:
MaybeOverrideStyleInsn(InsnPtr next);
const Insn *execute(VM &vm) const;
private:
InsnPtr next_;
};
// StyleObj is on top
// FlowObj is next down
// calls set style on the flowobj
class SetStyleInsn : public Insn {
public:
SetStyleInsn(InsnPtr next);
const Insn *execute(VM &vm) const;
private:
InsnPtr next_;
};
class Expression;
// label is on the top
// content is next down
class LabelSosofoInsn : public Insn {
public:
LabelSosofoInsn(const Location &, InsnPtr next);
const Insn *execute(VM &) const;
private:
Location loc_;
InsnPtr next_;
};
// Constructs a ContentMapSosofo
// content-map is on top
// content is next down
class ContentMapSosofoInsn : public Insn {
public:
ContentMapSosofoInsn(const Location &loc, InsnPtr next);
const Insn *execute(VM &) const;
private:
Location loc_;
InsnPtr next_;
};
#ifdef DSSSL_NAMESPACE
}
#endif
#endif /* not Insn2_INCLUDED */
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