commit c6965ce551ec8097dcaa3ed066fa12011857d42a
parent 22329e4cdf6c6741523099173c31b0a421825a3c
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 6 Apr 2000 14:35:01 -0300
new functions: disassembler and get limit.
Diffstat:
| M | ltests.c | | | 152 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----- |
1 file changed, 144 insertions(+), 8 deletions(-)
diff --git a/ltests.c b/ltests.c
@@ -1,11 +1,12 @@
/*
-** $Id: ltests.c,v 1.9 2000/03/10 18:37:44 roberto Exp roberto $
+** $Id: ltests.c,v 1.10 2000/03/16 20:35:07 roberto Exp roberto $
** Internal Module for Debugging of the Lua Implementation
** See Copyright Notice in lua.h
*/
#include <ctype.h>
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -14,6 +15,7 @@
#include "lapi.h"
#include "lauxlib.h"
#include "lmem.h"
+#include "lopcodes.h"
#include "lstate.h"
#include "lstring.h"
#include "ltable.h"
@@ -30,6 +32,131 @@ void luaB_opentests (lua_State *L);
#ifdef DEBUG
+
+static void setnameval (lua_State *L, lua_Object t, const char *name, int val) {
+ lua_pushobject(L, t);
+ lua_pushstring(L, name);
+ lua_pushnumber(L, val);
+ lua_settable(L);
+}
+
+
+/*
+** {======================================================
+** Disassembler
+** =======================================================
+*/
+
+
+#define O(o) sprintf(buff, "%s", o)
+#define U(o) sprintf(buff, "%-12s%4u", o, GETARG_U(i))
+#define S(o) sprintf(buff, "%-12s%4d", o, GETARG_S(i))
+#define AB(o) sprintf(buff, "%-12s%4d %4d", o, GETARG_A(i), GETARG_B(i))
+#define sAB(o) sprintf(buff, "%-12s%4d %4d", o, GETARG_sA(i), GETARG_B(i))
+
+
+
+static int printop (lua_State *L, Instruction i) {
+ char buff[100];
+ switch (GET_OPCODE(i)) {
+ case OP_END: O("END"); lua_pushstring(L, buff); return 0;
+ case OP_RETURN: U("RETURN"); break;
+ case OP_CALL: AB("CALL"); break;
+ case OP_TAILCALL: AB("TAILCALL"); break;
+ case OP_PUSHNIL: U("PUSHNIL"); break;
+ case OP_POP: U("POP"); break;
+ case OP_PUSHINT: S("PUSHINT"); break;
+ case OP_PUSHSTRING: U("PUSHSTRING"); break;
+ case OP_PUSHNUM: U("PUSHNUM"); break;
+ case OP_PUSHNEGNUM: U("PUSHNEGNUM"); break;
+ case OP_PUSHUPVALUE: U("PUSHUPVALUE"); break;
+ case OP_PUSHLOCAL: U("PUSHLOCAL"); break;
+ case OP_GETGLOBAL: U("GETGLOBAL"); break;
+ case OP_GETTABLE: O("GETTABLE"); break;
+ case OP_GETDOTTED: U("GETDOTTED"); break;
+ case OP_PUSHSELF: U("PUSHSELF"); break;
+ case OP_CREATETABLE: U("CREATETABLE"); break;
+ case OP_SETLOCAL: U("SETLOCAL"); break;
+ case OP_SETGLOBAL: U("SETGLOBAL"); break;
+ case OP_SETTABLEPOP: O("SETTABLEPOP"); break;
+ case OP_SETTABLE: U("SETTABLE"); break;
+ case OP_SETLIST: AB("SETLIST"); break;
+ case OP_SETMAP: U("SETMAP"); break;
+ case OP_ADD: O("ADD"); break;
+ case OP_INCLOCAL: sAB("INCLOCAL"); break;
+ case OP_ADDI: S("ADDI"); break;
+ case OP_SUB: O("SUB"); break;
+ case OP_MULT: O("MULT"); break;
+ case OP_DIV: O("DIV"); break;
+ case OP_POW: O("POW"); break;
+ case OP_CONC: U("CONC"); break;
+ case OP_MINUS: O("MINUS"); break;
+ case OP_NOT: O("NOT"); break;
+ case OP_JMPNEQ: S("JMPNEQ"); break;
+ case OP_JMPEQ: S("JMPEQ"); break;
+ case OP_JMPLT: S("JMPLT"); break;
+ case OP_JMPLE: S("JMPLE"); break;
+ case OP_JMPGT: S("JMPGT"); break;
+ case OP_JMPGE: S("JMPGE"); break;
+ case OP_JMPONT: S("JMPONT"); break;
+ case OP_JMPONF: S("JMPONF"); break;
+ case OP_JMP: S("JMP"); break;
+ case OP_PUSHNILJMP: O("PUSHNILJMP"); break;
+ case OP_JMPT: S("JMPT"); break;
+ case OP_JMPF: S("JMPF"); break;
+ case OP_CLOSURE: AB("CLOSURE"); break;
+ case OP_SETLINE: U("SETLINE"); break;
+ }
+ lua_pushstring(L, buff);
+ return 1;
+}
+
+static void printcode (lua_State *L) {
+ lua_Object o = luaL_nonnullarg(L, 1);
+ lua_Object t = lua_createtable(L);
+ Instruction *pc;
+ Proto *p;
+ int res;
+ luaL_arg_check(L, ttype(o) == TAG_LCLOSURE, 1, "Lua function expected");
+ p = clvalue(o)->f.l;
+ setnameval(L, t, "maxstack", p->maxstacksize);
+ setnameval(L, t, "numparams", p->numparams);
+ pc = p->code;
+ do {
+ lua_pushobject(L, t);
+ lua_pushnumber(L, pc - p->code + 1);
+ res = printop(L, *pc++);
+ lua_settable(L);
+ } while (res);
+ lua_pushobject(L, t);
+}
+
+/* }====================================================== */
+
+
+
+static void get_limits (lua_State *L) {
+ lua_Object t = lua_createtable(L);
+ setnameval(L, t, "SIZE_OP", SIZE_OP);
+ setnameval(L, t, "SIZE_U", SIZE_U);
+ setnameval(L, t, "SIZE_A", SIZE_A);
+ setnameval(L, t, "SIZE_B", SIZE_B);
+ setnameval(L, t, "MAXARG_U", MAXARG_U);
+ setnameval(L, t, "MAXARG_S", MAXARG_S);
+ setnameval(L, t, "MAXARG_A", MAXARG_A);
+ setnameval(L, t, "MAXARG_B", MAXARG_B);
+ setnameval(L, t, "MAXARG_sA", MAXARG_sA);
+ setnameval(L, t, "MAXSTACK", MAXSTACK);
+ setnameval(L, t, "MAXLOCALS", MAXLOCALS);
+ setnameval(L, t, "MAXUPVALUES", MAXUPVALUES);
+ setnameval(L, t, "MAXVARSLH", MAXVARSLH);
+ setnameval(L, t, "MAXPARAMS", MAXPARAMS);
+ setnameval(L, t, "LFPF", LFIELDS_PER_FLUSH);
+ setnameval(L, t, "RFPF", RFIELDS_PER_FLUSH);
+ lua_pushobject(L, t);
+}
+
+
static void mem_query (lua_State *L) {
lua_pushnumber(L, memdebug_total);
lua_pushnumber(L, memdebug_numblocks);
@@ -66,7 +193,7 @@ static void table_query (lua_State *L) {
}
-static void query_strings (lua_State *L) {
+static void string_query (lua_State *L) {
int h = luaL_check_int(L, 1) - 1;
int s = luaL_opt_int(L, 2, 0) - 1;
if (s==-1) {
@@ -85,7 +212,14 @@ static void query_strings (lua_State *L) {
}
-static const char *delimits = " \t\n,;";
+/*
+** {======================================================
+** function to test the API with C. It interprets a kind of "assembler"
+** language with calls to the API, so the test can be driven by Lua code
+** =======================================================
+*/
+
+static const char *const delimits = " \t\n,;";
static void skip (const char **pc) {
while (**pc != '\0' && strchr(delimits, **pc)) (*pc)++;
@@ -117,10 +251,7 @@ static const char *getname (const char **pc) {
#define EQ(s1) (strcmp(s1, inst) == 0)
-/*
-** function to test the API with C. It interprets a kind of "assembler"
-** language with calls to the API, so the test can be driven by Lua code
-*/
+
static void testC (lua_State *L) {
lua_Object reg[10];
const char *pc = luaL_check_string(L, 1);
@@ -265,10 +396,15 @@ static void testC (lua_State *L) {
}
}
+/* }====================================================== */
+
+
static const struct luaL_reg tests_funcs[] = {
{"hash", hash_query},
- {"querystr", query_strings},
+ {"limits", get_limits},
+ {"printcode", printcode},
+ {"querystr", string_query},
{"querytab", table_query},
{"testC", testC},
{"totalmem", mem_query}
