| java.lang.Object
 org.keplerproject.luajava.LuaState
| LuaState | | public class LuaState (Code) | | LuaState if the main class of LuaJava for the Java developer.
LuaState is a mapping of most of Lua's C API functions.
LuaState also provides many other functions that will be used to manipulate
objects between Lua and Java.
author:
Thiago Ponte |
| Method Summary | |
| public int | LargError(int numArg, String extraMsg)
| | public int | LcallMeta(int obj, String e)
| | public void | LcheckAny(int nArg)
| | public int | LcheckInteger(int numArg)
| | public double | LcheckNumber(int numArg)
| | public void | LcheckStack(int sz, String msg)
| | public String | LcheckString(int numArg)
| | public void | LcheckType(int nArg, int t)
| | public int | LdoFile(String fileName)
| | public int | LdoString(String str)
| | public String | LfindTable(int idx, String fname, int szhint)
| | public int | LgetMetaField(int obj, String e)
| | public void | LgetMetatable(String tName)
| | public int | LgetN(int t)
| | public String | Lgsub(String s, String p, String r)
| | public int | LloadBuffer(byte[] buff, String name)
| | public int | LloadFile(String fileName)
| | public int | LloadString(String s)
| | public int | LnewMetatable(String tName)
| | public int | LoptInteger(int numArg, int def)
| | public double | LoptNumber(int numArg, double def)
| | public String | LoptString(int numArg, String def)
| | public int | Lref(int t)
| | public void | LsetN(int t, int n)
| | public int | Ltyperror(int nArg, String tName)
| | public void | LunRef(int t, int ref)
| | public void | Lwhere(int lvl)
| | public void | call(int nArgs, int nResults)
| | public int | checkStack(int sz)
| | public synchronized void | close()
| | public void | concat(int n)
| | public static Number | convertLuaNumber(Double db, Class retType)
| | public void | createTable(int narr, int nrec)
| | public int | equal(int idx1, int idx2)
| | public int | error()
| | public int | gc(int what, int data)
| | public long | getCPtrPeer()
| | public void | getFEnv(int idx)
| | public void | getField(int idx, String k)
| | public int | getGcCount()
| | public synchronized void | getGlobal(String global)
| | public LuaObject | getLuaObject(String globalName)
| | public LuaObject | getLuaObject(LuaObject parent, String name)
| | public LuaObject | getLuaObject(LuaObject parent, Number name)
This constructor creates a LuaObject from a table that is indexed by a number. | | public LuaObject | getLuaObject(LuaObject parent, LuaObject name)
This constructor creates a LuaObject from a table that is indexed by any LuaObject. | | public LuaObject | getLuaObject(int index)
| | public int | getMetaTable(int idx)
| | public Object | getObjectFromUserdata(int idx)
| | public void | getTable(int idx)
| | public int | getTop()
| | public void | insert(int idx)
| | public boolean | isBoolean(int idx)
| | public boolean | isCFunction(int idx)
| | public synchronized boolean | isClosed()
Returns true if state is closed. | | public boolean | isFunction(int idx)
| | public boolean | isJavaFunction(int idx)
| | public boolean | isNil(int idx)
| | public boolean | isNone(int idx)
| | public boolean | isNoneOrNil(int idx)
| | public boolean | isNumber(int idx)
| | public boolean | isObject(int idx)
| | public boolean | isString(int idx)
| | public boolean | isTable(int idx)
| | public boolean | isThread(int idx)
| | public boolean | isUserdata(int idx)
| | public int | lessthan(int idx1, int idx2)
| | public void | newTable()
| | public LuaState | newThread()
| | public int | next(int idx)
| | public int | objLen(int idx)
| | public void | openBase()
| | public void | openDebug()
| | public void | openIo()
| | public void | openLibs()
| | public void | openMath()
| | public void | openOs()
| | public void | openPackage()
| | public void | openString()
| | public void | openTable()
| | public int | pcall(int nArgs, int nResults, int errFunc)
| | public void | pop(int n)
| | public void | pushBoolean(boolean bool)
| | public void | pushInteger(int integer)
| | public void | pushJavaFunction(JavaFunction func)
| | public void | pushJavaObject(Object obj)
Pushes a Java Object into the lua stack.
This function does not check if the object is from a class that could
be represented by a lua type. | | public void | pushNil()
| | public void | pushNumber(double db)
| | public void | pushObjectValue(Object obj)
Pushes into the stack any object value.
This function checks if the object could be pushed as a lua type, if not
pushes the java object. | | public void | pushString(String str)
| | public void | pushString(byte[] bytes)
| | public void | pushValue(int idx)
| | public void | rawGet(int idx)
| | public void | rawGetI(int idx, int n)
| | public void | rawSet(int idx)
| | public void | rawSetI(int idx, int n)
| | public int | rawequal(int idx1, int idx2)
| | public void | remove(int idx)
| | public void | replace(int idx)
| | public int | resume(int nArgs)
| | public int | setFEnv(int idx)
| | public void | setField(int idx, String k)
| | public synchronized void | setGlobal(String name)
| | public int | setMetaTable(int idx)
| | public void | setTable(int idx)
| | public void | setTop(int idx)
| | public int | status()
| | public int | strLen(int idx)
| | public boolean | toBoolean(int idx)
| | public int | toInteger(int idx)
| | public synchronized Object | toJavaObject(int idx)
Function that returns a Java Object equivalent to the one in the given
position of the Lua Stack. | | public double | toNumber(int idx)
| | public String | toString(int idx)
| | public LuaState | toThread(int idx)
| | public int | type(int idx)
| | public String | typeName(int tp)
| | public void | xmove(LuaState to, int n)
| | public int | yield(int nResults)
|
| LUA_ERRERR | | final public static Integer LUA_ERRERR(Code) | | error while running the error handler function.
|
| LUA_ERRMEM | | final public static Integer LUA_ERRMEM(Code) | | memory allocation error. For such errors, Lua does not call
the error handler function.
|
| LUA_ERRRUN | | final public static Integer LUA_ERRRUN(Code) | | a runtime error.
|
| LUA_ERRSYNTAX | | final public static Integer LUA_ERRSYNTAX(Code) | | syntax error during pre-compilation.
|
| LUA_GCSETSTEPMUL | | final public static Integer LUA_GCSETSTEPMUL(Code) | | |
| LUA_GLOBALSINDEX | | final public static Integer LUA_GLOBALSINDEX(Code) | | |
| LUA_MULTRET | | final public static Integer LUA_MULTRET(Code) | | Specifies that an unspecified (multiple) number of return arguments
will be returned by a call.
|
| LUA_REGISTRYINDEX | | final public static Integer LUA_REGISTRYINDEX(Code) | | |
| LUA_TLIGHTUSERDATA | | final public static Integer LUA_TLIGHTUSERDATA(Code) | | |
| LuaState | | protected LuaState(int stateId)(Code) | | Constructor to instance a new LuaState and initialize it with LuaJava's functions
Parameters:
stateId - |
| LuaState | | protected LuaState(CPtr luaState)(Code) | | Receives a existing state and initializes it
Parameters:
luaState - |
| LargError | | public int LargError(int numArg, String extraMsg)(Code) | | |
| LcheckAny | | public void LcheckAny(int nArg)(Code) | | |
| LcheckInteger | | public int LcheckInteger(int numArg)(Code) | | |
| LcheckNumber | | public double LcheckNumber(int numArg)(Code) | | |
| LcheckStack | | public void LcheckStack(int sz, String msg)(Code) | | |
| LcheckType | | public void LcheckType(int nArg, int t)(Code) | | |
| LgetMetaField | | public int LgetMetaField(int obj, String e)(Code) | | |
| LgetN | | public int LgetN(int t)(Code) | | |
| LloadBuffer | | public int LloadBuffer(byte[] buff, String name)(Code) | | |
| LoptInteger | | public int LoptInteger(int numArg, int def)(Code) | | |
| LoptNumber | | public double LoptNumber(int numArg, double def)(Code) | | |
| Lref | | public int Lref(int t)(Code) | | |
| LsetN | | public void LsetN(int t, int n)(Code) | | |
| LunRef | | public void LunRef(int t, int ref)(Code) | | |
| Lwhere | | public void Lwhere(int lvl)(Code) | | |
| call | | public void call(int nArgs, int nResults)(Code) | | |
| checkStack | | public int checkStack(int sz)(Code) | | |
| close | | public synchronized void close()(Code) | | Closes state and removes the object from the LuaStateFactory
|
| concat | | public void concat(int n)(Code) | | |
| convertLuaNumber | | public static Number convertLuaNumber(Double db, Class retType)(Code) | | When you call a function in lua, it may return a number, and the
number will be interpreted as a Double.
This function converts the number into a type specified by
retType
Parameters:
db - lua number to be converted
Parameters:
retType - type to convert to The converted number |
| createTable | | public void createTable(int narr, int nrec)(Code) | | |
| equal | | public int equal(int idx1, int idx2)(Code) | | |
| gc | | public int gc(int what, int data)(Code) | | |
| getCPtrPeer | | public long getCPtrPeer()(Code) | | Return the long representing the LuaState pointer
long |
| getFEnv | | public void getFEnv(int idx)(Code) | | |
| getGcCount | | public int getGcCount()(Code) | | |
| getGlobal | | public synchronized void getGlobal(String global)(Code) | | |
| getLuaObject | | public LuaObject getLuaObject(String globalName)(Code) | | Creates a reference to an object in the variable globalName
Parameters:
globalName - LuaObject |
| getLuaObject | | public LuaObject getLuaObject(LuaObject parent, String name) throws LuaException(Code) | | Creates a reference to an object inside another object
Parameters:
parent - The Lua Table or Userdata that contains the Field.
Parameters:
name - The name that index the field LuaObject
throws:
LuaException - if parent is not a table or userdata |
| getLuaObject | | public LuaObject getLuaObject(LuaObject parent, Number name) throws LuaException(Code) | | This constructor creates a LuaObject from a table that is indexed by a number.
Parameters:
parent - The Lua Table or Userdata that contains the Field.
Parameters:
name - The name (number) that index the field LuaObject
throws:
LuaException - When the parent object isn't a Table or Userdata |
| getLuaObject | | public LuaObject getLuaObject(LuaObject parent, LuaObject name) throws LuaException(Code) | | This constructor creates a LuaObject from a table that is indexed by any LuaObject.
Parameters:
parent - The Lua Table or Userdata that contains the Field.
Parameters:
name - The name (LuaObject) that index the field LuaObject
throws:
LuaException - When the parent object isn't a Table or Userdata |
| getLuaObject | | public LuaObject getLuaObject(int index)(Code) | | Creates a reference to an object in the index position
of the stack
Parameters:
index - position on the stack LuaObject |
| getMetaTable | | public int getMetaTable(int idx)(Code) | | |
| getObjectFromUserdata | | public Object getObjectFromUserdata(int idx) throws LuaException(Code) | | Gets a Object from Lua
Parameters:
idx - index of the lua stack Object
throws:
LuaException - if the lua object does not represent a java object. |
| getTable | | public void getTable(int idx)(Code) | | |
| getTop | | public int getTop()(Code) | | |
| insert | | public void insert(int idx)(Code) | | |
| isBoolean | | public boolean isBoolean(int idx)(Code) | | |
| isCFunction | | public boolean isCFunction(int idx)(Code) | | |
| isClosed | | public synchronized boolean isClosed()(Code) | | Returns true if state is closed.
|
| isFunction | | public boolean isFunction(int idx)(Code) | | |
| isJavaFunction | | public boolean isJavaFunction(int idx)(Code) | | Returns whether a userdata contains a Java Function
Parameters:
idx - index of the lua stack boolean |
| isNil | | public boolean isNil(int idx)(Code) | | |
| isNone | | public boolean isNone(int idx)(Code) | | |
| isNoneOrNil | | public boolean isNoneOrNil(int idx)(Code) | | |
| isNumber | | public boolean isNumber(int idx)(Code) | | |
| isObject | | public boolean isObject(int idx)(Code) | | Tells whether a lua index contains a java Object
Parameters:
idx - index of the lua stack boolean |
| isString | | public boolean isString(int idx)(Code) | | |
| isTable | | public boolean isTable(int idx)(Code) | | |
| isThread | | public boolean isThread(int idx)(Code) | | |
| isUserdata | | public boolean isUserdata(int idx)(Code) | | |
| lessthan | | public int lessthan(int idx1, int idx2)(Code) | | |
| newTable | | public void newTable()(Code) | | |
| next | | public int next(int idx)(Code) | | |
| objLen | | public int objLen(int idx)(Code) | | |
| openBase | | public void openBase()(Code) | | |
| openDebug | | public void openDebug()(Code) | | |
| openIo | | public void openIo()(Code) | | |
| openLibs | | public void openLibs()(Code) | | |
| openMath | | public void openMath()(Code) | | |
| openOs | | public void openOs()(Code) | | |
| openPackage | | public void openPackage()(Code) | | |
| openString | | public void openString()(Code) | | |
| openTable | | public void openTable()(Code) | | |
| pcall | | public int pcall(int nArgs, int nResults, int errFunc)(Code) | | |
| pop | | public void pop(int n)(Code) | | |
| pushBoolean | | public void pushBoolean(boolean bool)(Code) | | |
| pushInteger | | public void pushInteger(int integer)(Code) | | |
| pushJavaFunction | | public void pushJavaFunction(JavaFunction func) throws LuaException(Code) | | Pushes a JavaFunction into the state stack
Parameters:
func - |
| pushJavaObject | | public void pushJavaObject(Object obj)(Code) | | Pushes a Java Object into the lua stack.
This function does not check if the object is from a class that could
be represented by a lua type. Eg: java.lang.String could be a lua string.
Parameters:
obj - Object to be pushed into lua |
| pushNil | | public void pushNil()(Code) | | |
| pushNumber | | public void pushNumber(double db)(Code) | | |
| pushObjectValue | | public void pushObjectValue(Object obj) throws LuaException(Code) | | Pushes into the stack any object value.
This function checks if the object could be pushed as a lua type, if not
pushes the java object.
Parameters:
obj - |
| pushString | | public void pushString(byte[] bytes)(Code) | | |
| pushValue | | public void pushValue(int idx)(Code) | | |
| rawGet | | public void rawGet(int idx)(Code) | | |
| rawGetI | | public void rawGetI(int idx, int n)(Code) | | |
| rawSet | | public void rawSet(int idx)(Code) | | |
| rawSetI | | public void rawSetI(int idx, int n)(Code) | | |
| rawequal | | public int rawequal(int idx1, int idx2)(Code) | | |
| remove | | public void remove(int idx)(Code) | | |
| replace | | public void replace(int idx)(Code) | | |
| resume | | public int resume(int nArgs)(Code) | | |
| setFEnv | | public int setFEnv(int idx)(Code) | | |
| setGlobal | | public synchronized void setGlobal(String name)(Code) | | |
| setMetaTable | | public int setMetaTable(int idx)(Code) | | |
| setTable | | public void setTable(int idx)(Code) | | |
| setTop | | public void setTop(int idx)(Code) | | |
| status | | public int status()(Code) | | |
| strLen | | public int strLen(int idx)(Code) | | |
| toBoolean | | public boolean toBoolean(int idx)(Code) | | |
| toInteger | | public int toInteger(int idx)(Code) | | |
| toJavaObject | | public synchronized Object toJavaObject(int idx) throws LuaException(Code) | | Function that returns a Java Object equivalent to the one in the given
position of the Lua Stack.
Parameters:
idx - Index in the Lua Stack Java object equivalent to the Lua one |
| toNumber | | public double toNumber(int idx)(Code) | | |
| type | | public int type(int idx)(Code) | | |
| yield | | public int yield(int nResults)(Code) | | |
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