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author | Li Jin <dragon-fly@qq.com> | 2021-04-21 09:36:25 +0800 |
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committer | Li Jin <dragon-fly@qq.com> | 2021-04-21 09:36:25 +0800 |
commit | b7bdf7d5d36825a1a750a74641f6d374dec5d67a (patch) | |
tree | 6b27eb6590e07c07f378305c51d0f5e0779faa83 /src/lua/lapi.h | |
parent | b86e5af605a170a3559df0165eac3cb6b665dc49 (diff) | |
download | yuescript-b7bdf7d5d36825a1a750a74641f6d374dec5d67a.tar.gz yuescript-b7bdf7d5d36825a1a750a74641f6d374dec5d67a.tar.bz2 yuescript-b7bdf7d5d36825a1a750a74641f6d374dec5d67a.zip |
adjust some folder levels.
Diffstat (limited to 'src/lua/lapi.h')
-rw-r--r-- | src/lua/lapi.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/src/lua/lapi.h b/src/lua/lapi.h deleted file mode 100644 index 9e99cc4..0000000 --- a/src/lua/lapi.h +++ /dev/null | |||
@@ -1,49 +0,0 @@ | |||
1 | /* | ||
2 | ** $Id: lapi.h $ | ||
3 | ** Auxiliary functions from Lua API | ||
4 | ** See Copyright Notice in lua.h | ||
5 | */ | ||
6 | |||
7 | #ifndef lapi_h | ||
8 | #define lapi_h | ||
9 | |||
10 | |||
11 | #include "llimits.h" | ||
12 | #include "lstate.h" | ||
13 | |||
14 | |||
15 | /* Increments 'L->top', checking for stack overflows */ | ||
16 | #define api_incr_top(L) {L->top++; api_check(L, L->top <= L->ci->top, \ | ||
17 | "stack overflow");} | ||
18 | |||
19 | |||
20 | /* | ||
21 | ** If a call returns too many multiple returns, the callee may not have | ||
22 | ** stack space to accommodate all results. In this case, this macro | ||
23 | ** increases its stack space ('L->ci->top'). | ||
24 | */ | ||
25 | #define adjustresults(L,nres) \ | ||
26 | { if ((nres) <= LUA_MULTRET && L->ci->top < L->top) L->ci->top = L->top; } | ||
27 | |||
28 | |||
29 | /* Ensure the stack has at least 'n' elements */ | ||
30 | #define api_checknelems(L,n) api_check(L, (n) < (L->top - L->ci->func), \ | ||
31 | "not enough elements in the stack") | ||
32 | |||
33 | |||
34 | /* | ||
35 | ** To reduce the overhead of returning from C functions, the presence of | ||
36 | ** to-be-closed variables in these functions is coded in the CallInfo's | ||
37 | ** field 'nresults', in a way that functions with no to-be-closed variables | ||
38 | ** with zero, one, or "all" wanted results have no overhead. Functions | ||
39 | ** with other number of wanted results, as well as functions with | ||
40 | ** variables to be closed, have an extra check. | ||
41 | */ | ||
42 | |||
43 | #define hastocloseCfunc(n) ((n) < LUA_MULTRET) | ||
44 | |||
45 | /* Map [-1, inf) (range of 'nresults') into (-inf, -2] */ | ||
46 | #define codeNresults(n) (-(n) - 3) | ||
47 | #define decodeNresults(n) (-(n) - 3) | ||
48 | |||
49 | #endif | ||