org.luaj.vm2
Class Print

java.lang.Object
  org.luaj.vm2.Lua
      org.luaj.vm2.Print

public class Print
extends Lua

Debug helper class to pretty-print lua bytecodes.

See Also:

Prototype, LuaClosure

Field Summary

static java.lang.String[]	OPNAMES String names for each lua opcode value.
static java.io.PrintStream	ps

Fields inherited from class org.luaj.vm2.Lua

_VERSION, BITRK, iABC, iABx, iAsBx, iAx, LFIELDS_PER_FLUSH, LUA_MULTRET, luaP_opmodes, MASK_A, MASK_B, MASK_Bx, MASK_C, MASK_NOT_A, MASK_NOT_B, MASK_NOT_Bx, MASK_NOT_C, MASK_NOT_OP, MASK_OP, 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, 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

Print()

Method Summary

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 void	printOpCode(java.io.PrintStream ps, Prototype f, int pc) Print an opcode in a prototype
static void	printOpCode(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 org.luaj.vm2.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

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

Field Detail

ps

public static java.io.PrintStream ps

OPNAMES

public static final java.lang.String[] OPNAMES

String names for each lua opcode value.

Constructor Detail

Print

public Print()

Method Detail

printCode

public static void printCode(Prototype f)

Print the code in a prototype

Parameters:

f - the Prototype

printOpCode

public static void printOpCode(Prototype f,
                               int pc)

Print an opcode in a prototype

Parameters:

f - the Prototype

pc - the program counter to look up and print

printOpCode

public static void printOpCode(java.io.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

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)