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Code Issues Releases Wiki Activity

don't create a new virtual machine for each script and frame

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actorid
Marc Zinnschlag 13 years ago
parent a133920eb0
commit 80691250ec
7 changed files with 77 additions and 71 deletions
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4
apps/openmw/mwgui/console.cpp
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@ -223,11 +223,11 @@ namespace MWGui
try
{
ConsoleInterpreterContext interpreterContext (*this, mEnvironment, MWWorld::Ptr());
Interpreter::Interpreter interpreter (interpreterContext);
Interpreter::Interpreter interpreter;
MWScript::installOpcodes (interpreter);
std::vector<Interpreter::Type_Code> code;
output.getCode (code);
interpreter.run (&code[0], code.size());
interpreter.run (&code[0], code.size(), interpreterContext);
}
catch (const std::exception& error)
{

15
apps/openmw/mwscript/scriptmanager.cpp
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@ -12,8 +12,6 @@
#include <components/compiler/scanner.hpp>
#include <components/compiler/context.hpp>
#include <components/interpreter/interpreter.hpp>
#include "extensions.hpp"
namespace MWScript
@ -21,7 +19,8 @@ namespace MWScript
ScriptManager::ScriptManager (const ESMS::ESMStore& store, bool verbose,
Compiler::Context& compilerContext)
: mErrorHandler (std::cerr), mStore (store), mVerbose (verbose),
mCompilerContext (compilerContext), mParser (mErrorHandler, mCompilerContext)
mCompilerContext (compilerContext), mParser (mErrorHandler, mCompilerContext),
mOpcodesInstalled (false)
{}
bool ScriptManager::compile (const std::string& name)
@ -99,9 +98,13 @@ namespace MWScript
if (!iter->second.empty())
try
{
Interpreter::Interpreter interpreter (interpreterContext);
installOpcodes (interpreter);
interpreter.run (&iter->second[0], iter->second.size());
if (!mOpcodesInstalled)
{
installOpcodes (mInterpreter);
mOpcodesInstalled = true;
}
mInterpreter.run (&iter->second[0], iter->second.size(), interpreterContext);
}
catch (const std::exception& e)
{

3
apps/openmw/mwscript/scriptmanager.hpp
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@ -8,6 +8,7 @@
#include <components/compiler/streamerrorhandler.hpp>
#include <components/compiler/fileparser.hpp>
#include <components/interpreter/interpreter.hpp>
#include <components/interpreter/types.hpp>
namespace ESMS
@ -35,6 +36,8 @@ namespace MWScript
bool mVerbose;
Compiler::Context& mCompilerContext;
Compiler::FileParser mParser;
Interpreter::Interpreter mInterpreter;
bool mOpcodesInstalled;
std::map<std::string, std::vector<Interpreter::Type_Code> > mScripts;

7
components/interpreter/interpreter.cpp
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@ -134,8 +134,7 @@ namespace Interpreter
throw std::runtime_error (error.str());
}
Interpreter::Interpreter (Context& context)
: mRuntime (context)
Interpreter::Interpreter()
{}
Interpreter::~Interpreter()
@ -195,11 +194,11 @@ namespace Interpreter
mSegment5.insert (std::make_pair (code, opcode));
}
void Interpreter::run (const Type_Code *code, int codeSize)
void Interpreter::run (const Type_Code *code, int codeSize, Context& context)
{
assert (codeSize>=4);
mRuntime.configure (code, codeSize);
mRuntime.configure (code, codeSize, context);
int opcodes = static_cast<int> (code[0]);

23
components/interpreter/interpreter.hpp
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@ -21,23 +21,23 @@ namespace Interpreter
std::map<int, Opcode1 *> mSegment3;
std::map<int, Opcode2 *> mSegment4;
std::map<int, Opcode0 *> mSegment5;
// not implemented
Interpreter (const Interpreter&);
Interpreter& operator= (const Interpreter&);
void execute (Type_Code code);
void abortUnknownCode (int segment, int opcode);
void abortUnknownSegment (Type_Code code);
public:
Interpreter (Context& context);
Interpreter();
~Interpreter();
void installSegment0 (int code, Opcode1 *opcode);
///< ownership of \a opcode is transferred to *this.
@ -55,10 +55,9 @@ namespace Interpreter
void installSegment5 (int code, Opcode0 *opcode);
///< ownership of \a opcode is transferred to *this.
void run (const Type_Code *code, int codeSize);
void run (const Type_Code *code, int codeSize, Context& context);
};
}
#endif

58
components/interpreter/runtime.cpp
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@ -7,50 +7,51 @@
namespace Interpreter
{
Runtime::Runtime (Context& context) : mContext (context), mCode (0), mPC (0) {}
Runtime::Runtime() : mContext (0), mCode (0), mPC (0) {}
int Runtime::getPC() const
{
return mPC;
}
int Runtime::getIntegerLiteral (int index) const
{
assert (index>=0 && index<static_cast<int> (mCode[1]));
const Type_Code *literalBlock = mCode + 4 + mCode[0];
return *reinterpret_cast<const int *> (&literalBlock[index]);
}
float Runtime::getFloatLiteral (int index) const
{
assert (index>=0 && index<static_cast<int> (mCode[2]));
const Type_Code *literalBlock = mCode + 4 + mCode[0] + mCode[1];
return *reinterpret_cast<const float *> (&literalBlock[index]);
}
std::string Runtime::getStringLiteral (int index) const
{
assert (index>=0 && index<static_cast<int> (mCode[3]));
const char *literalBlock =
reinterpret_cast<const char *> (mCode + 4 + mCode[0] + mCode[1] + mCode[2]);
for (; index; --index)
{
literalBlock += std::strlen (literalBlock) + 1;
}
return literalBlock;
}
void Runtime::configure (const Interpreter::Type_Code *code, int codeSize)
{
void Runtime::configure (const Interpreter::Type_Code *code, int codeSize, Context& context)
{
clear();
mContext = &context;
mCode = code;
mCodeSize = codeSize;
mPC = 0;
@ -58,54 +59,55 @@ namespace Interpreter
void Runtime::clear()
{
mContext = 0;
mCode = 0;
mCodeSize = 0;
mStack.clear();
}
void Runtime::setPC (int PC)
{
mPC = PC;
}
}
void Runtime::push (const Data& data)
{
mStack.push_back (data);
}
void Runtime::push (Type_Integer value)
{
Data data;
data.mInteger = value;
push (data);
}
void Runtime::push (Type_Float value)
{
Data data;
data.mFloat = value;
push (data);
}
void Runtime::pop()
{
if (mStack.empty())
throw std::runtime_error ("stack underflow");
mStack.resize (mStack.size()-1);
}
Data& Runtime::operator[] (int Index)
{
if (Index<0 || Index>=static_cast<int> (mStack.size()))
throw std::runtime_error ("stack index out of range");
return mStack[mStack.size()-Index-1];
}
Context& Runtime::getContext()
{
return mContext;
assert (mContext);
return *mContext;
}
}

38
components/interpreter/runtime.hpp
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@ -11,52 +11,52 @@ namespace Interpreter
class Context;
/// Runtime data and engine interface
class Runtime
{
Context& mContext;
Context *mContext;
const Type_Code *mCode;
int mCodeSize;
int mPC;
std::vector<Data> mStack;
public:
Runtime (Context& context);
Runtime ();
int getPC() const;
///< return program counter.
int getIntegerLiteral (int index) const;
float getFloatLiteral (int index) const;
std::string getStringLiteral (int index) const;
void configure (const Type_Code *code, int codeSize);
void configure (const Type_Code *code, int codeSize, Context& context);
///< \a context and \a code must exist as least until either configure, clear or
/// the destructor is called. \a codeSize is given in 32-bit words.
void clear();
void setPC (int PC);
///< set program counter.
void push (const Data& data);
///< push data on stack
void push (Type_Integer value);
///< push integer data on stack.
void push (Type_Float value);
///< push float data on stack.
void pop();
///< pop stack
Data& operator[] (int Index);
///< Access stack member, counted from the top.
Context& getContext();
};
}

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