2 ** $Id: print.c,v 1.55a 2006/05/31 13:30:05 lhf Exp $
4 ** See Copyright Notice in lua.h
18 #define PrintFunction luaU_print
20 #define Sizeof(x) ((int)sizeof(x))
21 #define VOID(p) ((const void*)(p))
23 static void PrintString(const TString* ts)
25 const char* s=getstr(ts);
26 size_t i,n=ts->tsv.len;
33 case '"': printf("\\\""); break;
34 case '\\': printf("\\\\"); break;
35 case '\a': printf("\\a"); break;
36 case '\b': printf("\\b"); break;
37 case '\f': printf("\\f"); break;
38 case '\n': printf("\\n"); break;
39 case '\r': printf("\\r"); break;
40 case '\t': printf("\\t"); break;
41 case '\v': printf("\\v"); break;
42 default: if (isprint((unsigned char)c))
45 printf("\\%03u",(unsigned char)c);
51 static void PrintConstant(const Proto* f, int i)
53 const TValue* o=&f->k[i];
60 printf(bvalue(o) ? "true" : "false");
63 printf(LUA_NUMBER_FMT,nvalue(o));
66 PrintString(rawtsvalue(o));
68 default: /* cannot happen */
69 printf("? type=%d",ttype(o));
74 static void PrintCode(const Proto* f)
76 const Instruction* code=f->code;
78 for (pc=0; pc<n; pc++)
80 Instruction i=code[pc];
81 OpCode o=GET_OPCODE(i);
86 int sbx=GETARG_sBx(i);
87 int line=getline(f,pc);
88 printf("\t%d\t",pc+1);
89 if (line>0) printf("[%d]\t",line); else printf("[-]\t");
90 printf("%-9s\t",luaP_opnames[o]);
95 if (getBMode(o)!=OpArgN) printf(" %d",ISK(b) ? (-1-INDEXK(b)) : b);
96 if (getCMode(o)!=OpArgN) printf(" %d",ISK(c) ? (-1-INDEXK(c)) : c);
99 if (getBMode(o)==OpArgK) printf("%d %d",a,-1-bx); else printf("%d %d",a,bx);
102 if (o==OP_JMP) printf("%d",sbx); else printf("%d %d",a,sbx);
108 printf("\t; "); PrintConstant(f,bx);
112 printf("\t; %s", (f->sizeupvalues>0) ? getstr(f->upvalues[b]) : "-");
116 printf("\t; %s",svalue(&f->k[bx]));
120 if (ISK(c)) { printf("\t; "); PrintConstant(f,INDEXK(c)); }
131 if (ISK(b) || ISK(c))
134 if (ISK(b)) PrintConstant(f,INDEXK(b)); else printf("-");
136 if (ISK(c)) PrintConstant(f,INDEXK(c)); else printf("-");
142 printf("\t; to %d",sbx+pc+2);
145 printf("\t; %p",VOID(f->p[bx]));
148 if (c==0) printf("\t; %d",(int)code[++pc]);
149 else printf("\t; %d",c);
158 #define SS(x) (x==1)?"":"s"
161 static void PrintHeader(const Proto* f)
163 const char* s=getstr(f->source);
164 if (*s=='@' || *s=='=')
166 else if (*s==LUA_SIGNATURE[0])
170 printf("\n%s <%s:%d,%d> (%d instruction%s, %d bytes at %p)\n",
171 (f->linedefined==0)?"main":"function",s,
172 f->linedefined,f->lastlinedefined,
173 S(f->sizecode),f->sizecode*Sizeof(Instruction),VOID(f));
174 printf("%d%s param%s, %d slot%s, %d upvalue%s, ",
175 f->numparams,f->is_vararg?"+":"",SS(f->numparams),
176 S(f->maxstacksize),S(f->nups));
177 printf("%d local%s, %d constant%s, %d function%s\n",
178 S(f->sizelocvars),S(f->sizek),S(f->sizep));
181 static void PrintConstants(const Proto* f)
184 printf("constants (%d) for %p:\n",n,VOID(f));
187 printf("\t%d\t",i+1);
193 static void PrintLocals(const Proto* f)
195 int i,n=f->sizelocvars;
196 printf("locals (%d) for %p:\n",n,VOID(f));
199 printf("\t%d\t%s\t%d\t%d\n",
200 i,getstr(f->locvars[i].varname),f->locvars[i].startpc+1,f->locvars[i].endpc+1);
204 static void PrintUpvalues(const Proto* f)
206 int i,n=f->sizeupvalues;
207 printf("upvalues (%d) for %p:\n",n,VOID(f));
208 if (f->upvalues==NULL) return;
211 printf("\t%d\t%s\n",i,getstr(f->upvalues[i]));
215 void PrintFunction(const Proto* f, int full)
226 for (i=0; i<n; i++) PrintFunction(f->p[i],full);