diff options
author | Alexander Lantsev <aunsane@gmail.com> | 2016-06-13 14:18:51 +0000 |
---|---|---|
committer | Alexander Lantsev <aunsane@gmail.com> | 2016-06-13 14:18:51 +0000 |
commit | 8cf571c5ea48be2d281d2c83ed0f2dba6f2c32f4 (patch) | |
tree | 0345c47dc55eee01884f535fb26e0a2d44732213 /libs/liblua/src/lobject.h | |
parent | 4386b8b61c08045c5d416b546517e1c71c7dcae6 (diff) |
lublua:
- updated to 5.3.3
- renamed to lua53.dll
git-svn-id: http://svn.miranda-ng.org/main/trunk@16965 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'libs/liblua/src/lobject.h')
-rw-r--r-- | libs/liblua/src/lobject.h | 119 |
1 files changed, 64 insertions, 55 deletions
diff --git a/libs/liblua/src/lobject.h b/libs/liblua/src/lobject.h index d7d0ebf31b..2d52b41592 100644 --- a/libs/liblua/src/lobject.h +++ b/libs/liblua/src/lobject.h @@ -1,5 +1,5 @@ /* -** $Id: lobject.h,v 2.106 2015/01/05 13:52:37 roberto Exp $ +** $Id: lobject.h,v 2.116 2015/11/03 18:33:10 roberto Exp $ ** Type definitions for Lua objects ** See Copyright Notice in lua.h */ @@ -19,8 +19,8 @@ /* ** Extra tags for non-values */ -#define LUA_TPROTO LUA_NUMTAGS -#define LUA_TDEADKEY (LUA_NUMTAGS+1) +#define LUA_TPROTO LUA_NUMTAGS /* function prototypes */ +#define LUA_TDEADKEY (LUA_NUMTAGS+1) /* removed keys in tables */ /* ** number of all possible tags (including LUA_TNONE but excluding DEADKEY) @@ -35,8 +35,6 @@ ** bit 6: whether value is collectable */ -#define VARBITS (3 << 4) - /* ** LUA_TFUNCTION variants: @@ -90,22 +88,32 @@ struct GCObject { -/* -** Union of all Lua values -*/ -typedef union Value Value; - - - /* ** Tagged Values. This is the basic representation of values in Lua, ** an actual value plus a tag with its type. */ +/* +** Union of all Lua values +*/ +typedef union Value { + GCObject *gc; /* collectable objects */ + void *p; /* light userdata */ + int b; /* booleans */ + lua_CFunction f; /* light C functions */ + lua_Integer i; /* integer numbers */ + lua_Number n; /* float numbers */ +} Value; + + #define TValuefields Value value_; int tt_ -typedef struct lua_TValue TValue; + +typedef struct lua_TValue { + TValuefields; +} TValue; + /* macro defining a nil value */ @@ -179,9 +187,9 @@ typedef struct lua_TValue TValue; /* Macros for internal tests */ #define righttt(obj) (ttype(obj) == gcvalue(obj)->tt) -#define checkliveness(g,obj) \ +#define checkliveness(L,obj) \ lua_longassert(!iscollectable(obj) || \ - (righttt(obj) && !isdead(g,gcvalue(obj)))) + (righttt(obj) && (L == NULL || !isdead(G(L),gcvalue(obj))))) /* Macros to set values */ @@ -190,9 +198,15 @@ typedef struct lua_TValue TValue; #define setfltvalue(obj,x) \ { TValue *io=(obj); val_(io).n=(x); settt_(io, LUA_TNUMFLT); } +#define chgfltvalue(obj,x) \ + { TValue *io=(obj); lua_assert(ttisfloat(io)); val_(io).n=(x); } + #define setivalue(obj,x) \ { TValue *io=(obj); val_(io).i=(x); settt_(io, LUA_TNUMINT); } +#define chgivalue(obj,x) \ + { TValue *io=(obj); lua_assert(ttisinteger(io)); val_(io).i=(x); } + #define setnilvalue(obj) settt_(obj, LUA_TNIL) #define setfvalue(obj,x) \ @@ -211,32 +225,32 @@ typedef struct lua_TValue TValue; #define setsvalue(L,obj,x) \ { TValue *io = (obj); TString *x_ = (x); \ val_(io).gc = obj2gco(x_); settt_(io, ctb(x_->tt)); \ - checkliveness(G(L),io); } + checkliveness(L,io); } #define setuvalue(L,obj,x) \ { TValue *io = (obj); Udata *x_ = (x); \ val_(io).gc = obj2gco(x_); settt_(io, ctb(LUA_TUSERDATA)); \ - checkliveness(G(L),io); } + checkliveness(L,io); } #define setthvalue(L,obj,x) \ { TValue *io = (obj); lua_State *x_ = (x); \ val_(io).gc = obj2gco(x_); settt_(io, ctb(LUA_TTHREAD)); \ - checkliveness(G(L),io); } + checkliveness(L,io); } #define setclLvalue(L,obj,x) \ { TValue *io = (obj); LClosure *x_ = (x); \ val_(io).gc = obj2gco(x_); settt_(io, ctb(LUA_TLCL)); \ - checkliveness(G(L),io); } + checkliveness(L,io); } #define setclCvalue(L,obj,x) \ { TValue *io = (obj); CClosure *x_ = (x); \ val_(io).gc = obj2gco(x_); settt_(io, ctb(LUA_TCCL)); \ - checkliveness(G(L),io); } + checkliveness(L,io); } #define sethvalue(L,obj,x) \ { TValue *io = (obj); Table *x_ = (x); \ val_(io).gc = obj2gco(x_); settt_(io, ctb(LUA_TTABLE)); \ - checkliveness(G(L),io); } + checkliveness(L,io); } #define setdeadvalue(obj) settt_(obj, LUA_TDEADKEY) @@ -244,7 +258,7 @@ typedef struct lua_TValue TValue; #define setobj(L,obj1,obj2) \ { TValue *io1=(obj1); *io1 = *(obj2); \ - (void)L; checkliveness(G(L),io1); } + (void)L; checkliveness(L,io1); } /* @@ -260,12 +274,13 @@ typedef struct lua_TValue TValue; #define setptvalue2s setptvalue /* from table to same table */ #define setobjt2t setobj -/* to table */ -#define setobj2t setobj /* to new object */ #define setobj2n setobj #define setsvalue2n setsvalue +/* to table (define it as an expression to be used in macros) */ +#define setobj2t(L,o1,o2) ((void)L, *(o1)=*(o2), checkliveness(L,(o1))) + @@ -276,21 +291,6 @@ typedef struct lua_TValue TValue; */ -union Value { - GCObject *gc; /* collectable objects */ - void *p; /* light userdata */ - int b; /* booleans */ - lua_CFunction f; /* light C functions */ - lua_Integer i; /* integer numbers */ - lua_Number n; /* float numbers */ -}; - - -struct lua_TValue { - TValuefields; -}; - - typedef TValue *StkId; /* index to stack elements */ @@ -303,9 +303,12 @@ typedef TValue *StkId; /* index to stack elements */ typedef struct TString { CommonHeader; lu_byte extra; /* reserved words for short strings; "has hash" for longs */ + lu_byte shrlen; /* length for short strings */ unsigned int hash; - size_t len; /* number of characters in string */ - struct TString *hnext; /* linked list for hash table */ + union { + size_t lnglen; /* length for long strings */ + struct TString *hnext; /* linked list for hash table */ + } u; } TString; @@ -322,13 +325,19 @@ typedef union UTString { ** Get the actual string (array of bytes) from a 'TString'. ** (Access to 'extra' ensures that value is really a 'TString'.) */ -#define getaddrstr(ts) (cast(char *, (ts)) + sizeof(UTString)) #define getstr(ts) \ - check_exp(sizeof((ts)->extra), cast(const char*, getaddrstr(ts))) + check_exp(sizeof((ts)->extra), cast(char *, (ts)) + sizeof(UTString)) + /* get the actual string (array of bytes) from a Lua value */ #define svalue(o) getstr(tsvalue(o)) +/* get string length from 'TString *s' */ +#define tsslen(s) ((s)->tt == LUA_TSHRSTR ? (s)->shrlen : (s)->u.lnglen) + +/* get string length from 'TValue *o' */ +#define vslen(o) tsslen(tsvalue(o)) + /* ** Header for userdata; memory area follows the end of this structure @@ -361,14 +370,14 @@ typedef union UUdata { #define setuservalue(L,u,o) \ { const TValue *io=(o); Udata *iu = (u); \ - iu->user_ = io->value_; iu->ttuv_ = io->tt_; \ - checkliveness(G(L),io); } + iu->user_ = io->value_; iu->ttuv_ = rttype(io); \ + checkliveness(L,io); } #define getuservalue(L,u,o) \ { TValue *io=(o); const Udata *iu = (u); \ - io->value_ = iu->user_; io->tt_ = iu->ttuv_; \ - checkliveness(G(L),io); } + io->value_ = iu->user_; settt_(io, iu->ttuv_); \ + checkliveness(L,io); } /* @@ -376,7 +385,7 @@ typedef union UUdata { */ typedef struct Upvaldesc { TString *name; /* upvalue name (for debug information) */ - lu_byte instack; /* whether it is in stack */ + lu_byte instack; /* whether it is in stack (register) */ lu_byte idx; /* index of upvalue (in stack or in outer function's list) */ } Upvaldesc; @@ -398,23 +407,23 @@ typedef struct LocVar { typedef struct Proto { CommonHeader; lu_byte numparams; /* number of fixed parameters */ - lu_byte is_vararg; - lu_byte maxstacksize; /* maximum stack used by this function */ + lu_byte is_vararg; /* 2: declared vararg; 1: uses vararg */ + lu_byte maxstacksize; /* number of registers needed by this function */ int sizeupvalues; /* size of 'upvalues' */ int sizek; /* size of 'k' */ int sizecode; int sizelineinfo; int sizep; /* size of 'p' */ int sizelocvars; - int linedefined; - int lastlinedefined; + int linedefined; /* debug information */ + int lastlinedefined; /* debug information */ TValue *k; /* constants used by the function */ - Instruction *code; + Instruction *code; /* opcodes */ struct Proto **p; /* functions defined inside the function */ int *lineinfo; /* map from opcodes to source lines (debug information) */ LocVar *locvars; /* information about local variables (debug information) */ Upvaldesc *upvalues; /* upvalue information */ - struct LClosure *cache; /* last created closure with this prototype */ + struct LClosure *cache; /* last-created closure with this prototype */ TString *source; /* used for debug information */ GCObject *gclist; } Proto; @@ -476,7 +485,7 @@ typedef union TKey { #define setnodekey(L,key,obj) \ { TKey *k_=(key); const TValue *io_=(obj); \ k_->nk.value_ = io_->value_; k_->nk.tt_ = io_->tt_; \ - (void)L; checkliveness(G(L),io_); } + (void)L; checkliveness(L,io_); } typedef struct Node { |