Package com.prineside.luaj

Class Print

java.lang.Object

com.prineside.luaj.Lua

com.prineside.luaj.Print

public class Print
extends Lua

Debug helper class to pretty-print lua bytecodes.

See Also:

• Prototype
• LuaClosure

Field Summary

Fields

Modifier and Type	Field	Description
static final String[]	OPNAMES	String names for each lua opcode value.
static PrintStream	ps

Fields inherited from class com.prineside.luaj.Lua

_LUAJ_VERSION, _VERSION, BITRK, iABC, iABx, iAsBx, iAx, LFIELDS_PER_FLUSH, LUA_MULTRET, luaP_opmodes, MASK_A, MASK_Ax, MASK_B, MASK_Bx, MASK_C, MASK_NOT_A, MASK_NOT_B, MASK_NOT_Bx, MASK_NOT_C, MASK_NOT_OP, MASK_OP, MAX_CALL_STACK, MAX_OP, MAXARG_A, MAXARG_Ax, MAXARG_B, MAXARG_Bx, MAXARG_C, MAXARG_sBx, MAXINDEXRK, NO_REG, NUM_OPCODES, OP_ADD, OP_AND, OP_CALL, OP_CLOSURE, OP_CONCAT, OP_DIV, OP_EQ, OP_EXTRAARG, OP_FORLOOP, OP_FORPREP, OP_GE, OP_GETTABLE, OP_GETTABUP, OP_GETUPVAL, OP_GT, OP_JMP, OP_LE, OP_LEN, OP_LOADBOOL, OP_LOADK, OP_LOADKX, OP_LOADNIL, OP_LT, OP_MOD, OP_MOVE, OP_MUL, OP_NEQ, OP_NEWTABLE, OP_NOT, OP_OR, OP_POW, OP_RETURN, OP_SELF, OP_SETLIST, OP_SETTABLE, OP_SETTABUP, OP_SETUPVAL, OP_SUB, OP_TAILCALL, OP_TEST, OP_TESTSET, OP_TFORCALL, OP_TFORLOOP, OP_UNM, OP_VARARG, OpArgK, OpArgN, OpArgR, OpArgU, OPCODE_NAMES, POS_A, POS_Ax, POS_B, POS_Bx, POS_C, POS_OP, SIZE_A, SIZE_Ax, SIZE_B, SIZE_Bx, SIZE_C, SIZE_OP

Constructor Summary

Constructors

Constructor	Description
Print()

Method Summary

Modifier and Type	Method	Description
static void	print(Prototype prototype)	Pretty-prints contents of a Prototype.
static void	printCode(Prototype f)	Print the code in a prototype
static void	printFunction(Prototype prototype, boolean full)	Pretty-prints contents of a Prototype in short or long form.
static int	printOpCode(Prototype f, int pc)	Print an opcode in a prototype
static int	printOpCode(PrintStream ps, Prototype f, int pc)	Print an opcode in a prototype
static void	printStack(LuaValue[] stack, int top, Varargs varargs)
static void	printState(LuaClosure cl, int pc, LuaValue[] stack, int top, Varargs varargs)	Print the state of a LuaClosure that is being executed

Methods inherited from class com.prineside.luaj.Lua

chunkid, GET_OPCODE, GETARG_A, GETARG_Ax, GETARG_B, GETARG_Bx, GETARG_C, GETARG_sBx, getBMode, getCMode, getOpMode, INDEXK, ISK, RKASK, testAMode, testTMode

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

ps

public static PrintStream ps

OPNAMES

public static final String[] OPNAMES

String names for each lua opcode value.

Constructor Details

Print

public Print()

Method Details

printCode

public static void printCode(Prototype f)

Print the code in a prototype

Parameters:

f - the Prototype

printOpCode

public static int printOpCode(Prototype f,
 int pc)

Print an opcode in a prototype

Parameters:

f - the Prototype

pc - the program counter to look up and print

Returns:

pc same as above or changed

printOpCode

public static int printOpCode(PrintStream ps,
 Prototype f,
 int pc)

Print an opcode in a prototype

Parameters:

ps - the PrintStream to print to

f - the Prototype

pc - the program counter to look up and print

Returns:

pc same as above or changed

print

public static void print(Prototype prototype)

Pretty-prints contents of a Prototype.

Parameters:

prototype - Prototype to print.

printFunction

public static void printFunction(Prototype prototype,
 boolean full)

Pretty-prints contents of a Prototype in short or long form.

Parameters:

prototype - Prototype to print.

full - true to print all fields, false to print short form.

printState

public static void printState(LuaClosure cl,
 int pc,
 LuaValue[] stack,
 int top,
 Varargs varargs)

Print the state of a LuaClosure that is being executed

Parameters:

cl - the LuaClosure

pc - the program counter

stack - the stack of LuaValue

top - the top of the stack

varargs - any Varargs value that may apply

printStack

public static void printStack(LuaValue[] stack,
 int top,
 Varargs varargs)