#include #define EXTERN extern #if defined(JIT) #include "mfluajitd.h" #else #include "mfluad.h" #endif #include #include #include #include #if defined(JIT) #include #endif #if defined(NO_OTFCC) /* */ #else extern int otfcc_build(int argc, char *argv[]); extern int otfcc_dump(int argc, char *argv[]); #endif /* See shell_cmd_is_allowed below */ int shellenabledp = 1; int restrictedshell = 0; /**************************************************************/ /* */ /* MFbuiltin private functions */ /* */ /**************************************************************/ static lua_State *Luas[1]; /* static */ /* void stackdump_g(lua_State* L) */ /* { */ /* int i; */ /* int top = lua_gettop(L); */ /* printf("total in stack %d\n",top); */ /* for (i = 1; i <= top; i++) */ /* { /\* repeat for each level *\/ */ /* int t = lua_type(L, i); */ /* printf("[%d][%d] ",i,i-top-1); */ /* switch (t) { */ /* case LUA_TSTRING: /\* strings *\/ */ /* printf("string: '%s'\n", lua_tostring(L, i)); */ /* break; */ /* case LUA_TBOOLEAN: /\* booleans *\/ */ /* printf("boolean %s\n",lua_toboolean(L, i) ? "true" : "false"); */ /* break; */ /* case LUA_TNUMBER: /\* numbers *\/ */ /* printf("number: %g\n", lua_tonumber(L, i)); */ /* break; */ /* default: /\* other values *\/ */ /* printf("%s\n", lua_typename(L, t)); */ /* break; */ /* } */ /* printf(" "); /\* put a separator *\/ */ /* } */ /* printf("\n"); /\* end the listing *\/ */ /* } */ static void priv_lua_reporterrors(lua_State *L, int status) { if ( status!=0 ) { fprintf(stderr,"\n! %s\n",lua_tostring(L, -1)); lua_pop(L, 1); /* remove error message */ } } /* static */ /* void priv_lua_writemessage(lua_State *L, char *startmsg, char *bodymsg, char *endmsg, int status) */ /* { */ /* (void) L; */ /* if ( status!=0 ) { */ /* fprintf(stdout,"%s%s%s\n",startmsg,bodymsg,endmsg); */ /* } */ /* } */ #define link_field(p) mem[p].hhfield.rh /* {the |link| field of a memory word} */ static int priv_mfweb_link(lua_State *L) { halfword p,q; p = (halfword) lua_tonumber(L,1); q = link_field(p); lua_pushnumber(L,q); return 1; } #define info_field(p) mem[p].hhfield.lhfield /* {the |info| field of a memory word} */ static int priv_mfweb_info(lua_State *L) { halfword p,q; p = (halfword) lua_tonumber(L,1); q = info_field(p); lua_pushnumber(L,q); return 1; } #define x_coord(p) mem[p+1].cint /* {the |x| coordinate of this knot} */ static int priv_mfweb_x_coord(lua_State *L) { halfword p; int q; p = (halfword) lua_tonumber(L,1); q = x_coord(p); lua_pushnumber(L,q); return 1; } #define y_coord(p) mem[p+2].cint /* {the |y| coordinate of this knot} */ static int priv_mfweb_y_coord(lua_State *L) { halfword p,q; p = (halfword) lua_tonumber(L,1); q = y_coord(p); lua_pushnumber(L,q); return 1; } #define left_type(p) mem[p].hhfield.b0 /* {characterizes the path entering this knot} */ static int priv_mfweb_left_type(lua_State *L) { halfword p,q; p = (halfword) lua_tonumber(L,1); q = left_type(p); lua_pushnumber(L,q); return 1; } #define right_type(p) mem[p].hhfield.b1 /* {characterizes the path leaving this knot} */ static int priv_mfweb_right_type(lua_State *L) { halfword p,q; p = (halfword) lua_tonumber(L,1); q = right_type(p); lua_pushnumber(L,q); return 1; } #define left_x(p) mem[p+3].cint /* {the |x| coordinate of previous control point} */ static int priv_mfweb_left_x(lua_State *L) { halfword p; integer q ; p = (halfword) lua_tonumber(L,1); q = left_x(p); lua_pushnumber(L,q); return 1; } #define left_y(p) mem[p+4].cint /* {the |y| coordinate of previous control point} */ static int priv_mfweb_left_y(lua_State *L) { halfword p; integer q ; p = (halfword) lua_tonumber(L,1); q = left_y(p); lua_pushnumber(L,q); return 1; } #define right_x(p) mem[p+5].cint /* {the |x| coordinate of next control point} */ static int priv_mfweb_right_x(lua_State *L) { halfword p; integer q ; p = (halfword) lua_tonumber(L,1); q = right_x(p); lua_pushnumber(L,q); return 1; } #define right_y(p) mem[p+6].cint /* {the |y| coordinate of next control point} */ static int priv_mfweb_right_y(lua_State *L) { halfword p; integer q; p = (halfword) lua_tonumber(L,1); q = right_y(p); lua_pushnumber(L,q); return 1; } /* @ Conversely, the |n_sin_cos| routine takes an |angle| and produces the sine */ /* and cosine of that angle. The results of this routine are */ /* stored in global integer variables |n_sin| and |n_cos|. */ /* @= */ /* @!n_sin,@!n_cos:fraction; {results computed by |n_sin_cos|} */ /* @ Given an integer |z| that is $2^{20}$ times an angle $\theta$ in degrees, */ /* the purpose of |n_sin_cos(z)| is to set */ /* |x=@t$r\cos\theta$@>| and |y=@t$r\sin\theta$@>| (approximately), */ /* for some rather large number~|r|. The maximum of |x| and |y| */ /* will be between $2^{28}$ and $2^{30}$, so that there will be hardly */ /* any loss of accuracy. Then |x| and~|y| are divided by~|r|. */ static int priv_mfweb_n_sin_cos(lua_State *L) { nsincos(lua_tonumber(L,1)); return 0; } /* @ When a lot of work is being done on a particular edge structure, we plant */ /* a pointer to its main header in the global variable |cur_edges|. */ /* This saves us from having to pass this pointer as a parameter over and */ /* over again between subroutines. */ /* Similarly, |cur_wt| is a global weight that is being used by several */ /* procedures at once. */ /* @= */ /* @!cur_edges:pointer; {the edge structure of current interest} */ /* @!cur_wt:integer; {the edge weight of current interest} */ static int priv_mfweb_LUAGLOBALGET_cur_edges(lua_State *L) { halfword p = curedges; lua_pushnumber(L,p); return 1; } /* @= */ /* @!cur_type:small_number; {the type of the expression just found} */ /* @!cur_exp:integer; {the value of the expression just found} */ static int priv_mfweb_LUAGLOBALGET_cur_exp(lua_State *L) { halfword p = curexp; lua_pushnumber(L,p); return 1; } /* @d mem_top==30000 {largest index in the |mem| array dumped by \.{INIMF}; */ /* must be substantially larger than |mem_min| */ /* and not greater than |mem_max|} */ static int priv_mfweb_LUAGLOBALGET_mem_top(lua_State *L) { integer p = memtop; lua_pushnumber(L,p); return 1; } /* And there are two global variables that affect the rounding */ /* decisions, as we'll see later; they are called |cur_pen| and |cur_path_type|. */ /* The latter will be |double_path_code| if |make_spec| is being */ /* applied to a double path.*/ /* @!cur_pen:pointer; {an implicit input of |make_spec|, used in autorounding} */ static int priv_mfweb_LUAGLOBALGET_cur_pen(lua_State *L) { halfword p = curpen; lua_pushnumber(L,p); return 1; } /* @ The current octant code appears in a global variable. If, for example, */ /* we have |octant=third_octant|, it means that a curve traveling in a north to */ /* north-westerly direction has been rotated for the purposes of internal */ /* calculations so that the |move| data travels in an east to north-easterly */ /* direction. We want to unrotate as we update the edge structure. */ /* */ /* @= */ /* @!octant:first_octant..sixth_octant; {the current octant of interest} */ static int priv_mfweb_LUAGLOBALGET_octant(lua_State *L) { char p = octant; lua_pushnumber(L,p); return 1; } /* @ The |make_spec| routine has an interesting side effect, namely to set */ /* the global variable |turning_number| to the number of times the tangent */ /* vector of the given cyclic path winds around the origin. */ /* */ /* @= */ /* @!turning_number:integer; {another output of |make_spec|} */ static int priv_mfweb_LUAGLOBALGET_turning_number(lua_State *L) { integer p = turningnumber; lua_pushnumber(L,p); return 1; } /* @ \MF\ also has a bunch of internal parameters that a user might want to */ /* fuss with. Every such parameter has an identifying code number, defined here. */ /* Warning: these parameters must be the same of the original MF !! */ #define tracing_titles 1 /*show titles online when they appear} */ #define tracing_equations 2 /*show each variable when it becomes known} */ #define tracing_capsules 3 /*show capsules too} */ #define tracing_choices 4 /*show the control points chosen for paths} */ #define tracing_specs 5 /*show subdivision of paths into octants before digitizing} */ #define tracing_pens 6 /*show details of pens that are made} */ #define tracing_commands 7 /*show commands and operations before they are performed} */ #define tracing_restores 8 /*show when a variable or internal is restored} */ #define tracing_macros 9 /*show macros before they are expanded} */ #define tracing_edges 10 /*show digitized edges as they are computed} */ #define tracing_output 11 /*show digitized edges as they are output} */ #define tracing_stats 12 /*show memory usage at end of job} */ #define tracing_online 13 /*show long diagnostics on terminal and in the log file} */ #define year 14 /*the current year (e.g., 1984)} */ #define month 15 /*the current month (e.g., 3 $\equiv$ March)} */ #define day 16 /*the current day of the month} */ #define time 17 /*the number of minutes past midnight when this job started} */ #define char_code 18 /*the number of the next character to be output} */ #define char_ext 19 /*the extension code of the next character to be output} */ #define char_wd 20 /*the width of the next character to be output} */ #define char_ht 21 /*the height of the next character to be output} */ #define char_dp 22 /*the depth of the next character to be output} */ #define char_ic 23 /*the italic correction of the next character to be output} */ #define char_dx 24 /*the device's $x$ movement for the next character, in pixels} */ #define char_dy 25 /*the device's $y$ movement for the next character, in pixels} */ #define design_size 26 /*the unit of measure used for |char_wd..char_ic|, in points} */ #define hppp 27 /*the number of horizontal pixels per point} */ #define vppp 28 /*the number of vertical pixels per point} */ #define x_offset 29 /*horizontal displacement of shipped-out characters} */ #define y_offset 30 /*vertical displacement of shipped-out characters} */ #define pausing 31 /*positive to display lines on the terminal before they are read} */ #define showstopping 32 /*positive to stop after each \&{show} command} */ #define fontmaking 33 /*positive if font metric output is to be produced} */ #define proofing 34 /*positive for proof mode, negative to suppress output} */ #define smoothing 35 /*positive if moves are to be ``smoothed''} */ #define autorounding 36 /*controls path modification to ``good'' points} */ #define granularity 37 /*autorounding uses this pixel size} */ #define fillin 38 /*extra darkness of diagonal lines} */ #define turning_check 39 /*controls reorientation of clockwise paths} */ #define warning_check 40 /*controls error message when variable value is large} */ #define boundary_char 41 /*the right boundary character for ligatures} */ /* @d max_given_internal=41 */ static int priv_mfweb_LUAGLOBALGET_char_code(lua_State *L) { integer p = roundunscaled ( internal [char_code]) % 256 ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_char_ext(lua_State *L) { integer p = roundunscaled ( internal [char_ext]) ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_char_wd(lua_State *L) { integer p = internal [char_wd] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_char_ht(lua_State *L) { integer p = internal [char_ht] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_char_dp(lua_State *L) { integer p = internal [char_dp] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_char_ic(lua_State *L) { integer p = internal [char_ic] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_char_dx(lua_State *L) { integer p = internal [char_dx] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_char_dy(lua_State *L) { integer p = internal [char_dy] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_designsize(lua_State *L) { integer p = internal [design_size] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_hppp(lua_State *L) { integer p = internal [hppp] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_vppp(lua_State *L) { integer p = internal [vppp] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_x_offset(lua_State *L) { integer p = internal [x_offset] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_y_offset(lua_State *L) { integer p = internal [y_offset] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_granularity(lua_State *L) { integer p = internal [granularity] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_fillin(lua_State *L) { integer p = internal [fillin] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_turning_check(lua_State *L) { integer p = internal [turning_check] ; lua_pushnumber(L,p); return 1; } static int priv_mfweb_LUAGLOBALGET_boundary_char(lua_State *L) { integer p = internal [boundary_char] ; lua_pushnumber(L,p); return 1; } static int priv_mflua_version(lua_State *L) { lua_pushstring(L,MFLUA_VERSION); return 1; } static int priv_mflua_banner(lua_State *L) { lua_pushstring(L,BANNER); return 1; } /**************************************************************/ /* */ /* otfcc private functions */ /* */ /**************************************************************/ #ifdef MFLuaJIT static void lua_len (lua_State *L, int i) { switch (lua_type(L, i)) { case LUA_TSTRING: lua_pushnumber(L, (lua_Number)lua_objlen(L, i)); break; case LUA_TTABLE: if (!luaL_callmeta(L, i, "__len")) lua_pushnumber(L, (lua_Number)lua_objlen(L, i)); break; case LUA_TUSERDATA: if (luaL_callmeta(L, i, "__len")) break; /* FALLTHROUGH */ default: luaL_error(L, "attempt to get length of a %s value", lua_typename(L, lua_type(L, i))); } } static int lua_absindex (lua_State *L, int i) { if (i < 0 && i > LUA_REGISTRYINDEX) i += lua_gettop(L) + 1; return i; } static int lua_geti (lua_State *L, int index, lua_Integer i) { index = lua_absindex(L, index); lua_pushinteger(L, i); lua_gettable(L, index); return lua_type(L, -1); } #endif static int priv_mflua_otf_dump(lua_State *L) { if (!lua_istable(L, -1)) { fprintf(stderr, "! dump: expected a table\n"); lua_pop(L,1); return 0; } else { /* table is in the stack at index '-1' */ size_t l=0; int j; char **av; lua_len (L, -1); l = (size_t)(lua_tonumber(L,-1)); lua_pop(L,1); if (l==0 ) return 0; av = malloc((l+1) * sizeof(char*)); if (av==NULL) { fprintf(stderr, "! dump: unable to allocate av\n"); return 0; } av[0] = malloc((strlen("/dump")+1)*sizeof(char)); if (av[0]==NULL) { fprintf(stderr, "! dump: unable to allocate av[0]\n"); return 0; } strcpy(av[0], "/dump"); /* fill the av array */ for(j=1;j<=l;j++){ const char *k; lua_geti(L,-1,j); k = lua_tostring(L, -1); av[j] = malloc((strlen(k)+1)*sizeof(char)); if (av[j]==NULL) { fprintf(stderr, "! dump: unable to allocate av[%d]\n",j); return 0; } strcpy(av[j], k); lua_pop(L,1); } #if defined(NO_OTFCC) /* */ #else otfcc_dump(l+1,av); #endif /* release the av */ free(av[0]); for(j=1;j<=l;j++) free(av[j]); free(av); return 0; } } static int priv_mflua_otf_build(lua_State *L) { if (!lua_istable(L, -1)) { fprintf(stderr, "! build: expected a table\n"); lua_pop(L,1); return 0; } else { /* table is in the stack at index '-1' */ size_t l=0; int j; char **av; lua_len (L, -1); l = (size_t)(lua_tonumber(L,-1)) ; lua_pop(L,1); if (l==0 ) return 0; av = malloc((l+1) * sizeof(char*)); if (av==NULL) { fprintf(stderr, "! build: unable to allocate av\n"); return 0; } av[0] = malloc((strlen("/build")+1)*sizeof(char)); if (av[0]==NULL) { fprintf(stderr, "! build: unable to allocate av[0]\n"); return 0; } strcpy(av[0], "/build"); /* fill the av array */ for(j=1;j<=l;j++){ const char *k; lua_geti(L,-1,j); k = lua_tostring(L, -1); av[j] = malloc((strlen(k)+1)*sizeof(char)); if (av[j]==NULL) { fprintf(stderr, "! build: unable to allocate av[%d]\n",j); return 0; } strcpy(av[j], k); lua_pop(L,1); } #if defined(NO_OTFCC) /* */ #else otfcc_build(l+1,av); #endif /* release the av */ free(av[0]); for(j=1;j<=l;j++) free(av[j]); free(av); return 0; } } /**************************************************************/ /* */ /* mflua layer */ /* */ /**************************************************************/ static const struct luaL_Reg MFbuiltin_l[] = { {"link", priv_mfweb_link}, {"info", priv_mfweb_info}, {"x_coord", priv_mfweb_x_coord}, {"y_coord", priv_mfweb_y_coord}, {"left_type", priv_mfweb_left_type}, {"right_type", priv_mfweb_right_type}, {"left_x", priv_mfweb_left_x}, {"left_y", priv_mfweb_left_y}, {"right_x", priv_mfweb_right_x}, {"right_y", priv_mfweb_right_y}, {"n_sin_cos", priv_mfweb_n_sin_cos}, {"cur_edges", priv_mfweb_LUAGLOBALGET_cur_edges}, {"cur_exp", priv_mfweb_LUAGLOBALGET_cur_exp}, {"mem_top", priv_mfweb_LUAGLOBALGET_mem_top}, {"cur_pen", priv_mfweb_LUAGLOBALGET_cur_pen}, {"octant", priv_mfweb_LUAGLOBALGET_octant}, {"char_code", priv_mfweb_LUAGLOBALGET_char_code}, {"char_ext", priv_mfweb_LUAGLOBALGET_char_ext}, {"char_wd", priv_mfweb_LUAGLOBALGET_char_wd}, {"char_ht", priv_mfweb_LUAGLOBALGET_char_ht}, {"char_dp", priv_mfweb_LUAGLOBALGET_char_dp}, {"char_ic", priv_mfweb_LUAGLOBALGET_char_ic}, {"char_dx", priv_mfweb_LUAGLOBALGET_char_dx}, {"char_dy", priv_mfweb_LUAGLOBALGET_char_dy}, {"designsize", priv_mfweb_LUAGLOBALGET_designsize}, {"hppp", priv_mfweb_LUAGLOBALGET_hppp}, {"vppp", priv_mfweb_LUAGLOBALGET_vppp}, {"x_offset", priv_mfweb_LUAGLOBALGET_x_offset}, {"y_offset", priv_mfweb_LUAGLOBALGET_y_offset}, {"granularity", priv_mfweb_LUAGLOBALGET_granularity}, {"fillin", priv_mfweb_LUAGLOBALGET_fillin}, {"turning_check", priv_mfweb_LUAGLOBALGET_turning_check}, {"boundary_char", priv_mfweb_LUAGLOBALGET_boundary_char}, {"turning_number", priv_mfweb_LUAGLOBALGET_turning_number}, {"mflua_version",priv_mflua_version}, {"mflua_banner",priv_mflua_banner}, {NULL, NULL} /* sentinel */ }; static struct luaL_Reg mflua_otfcc[] = { { "build", priv_mflua_otf_build }, { "dump", priv_mflua_otf_dump }, { NULL, NULL} }; #define lua_swap(L) lua_insert(L, -2) #define GETGLOBALTABLEMFLUA(a) lua_getglobal(L, "mflua");\ if (!lua_istable(L, -1)) { \ lua_pushstring(L,#a); \ lua_pushstring(L,":global table mflua not found"); \ lua_concat (L, 2); \ priv_lua_reporterrors(L, 1); \ } \ int mfluabeginprogram(void) { lua_State *L ; char* luafile ; int res ; L = luaL_newstate(); luaL_openlibs(L); Luas[0] = L; /* register lua functions */ luaopen_kpse(L); /* to be sure of having a clear stack */ lua_settop(L,0); lua_getglobal(L, "mflua"); if (!lua_istable(L, -1)) { lua_pop(L,1); lua_newtable(L); lua_setglobal(L,"mflua"); /* check it */ lua_getglobal(L,"mflua"); if (!lua_istable(L, -1)) { printf("mflua table NOT registered!\n"); } else { lua_pushstring(L,"MFbuiltin"); #ifdef MFLuaJIT /* 5.1 */ luaJIT_setmode(L, 0, LUAJIT_MODE_ENGINE|LUAJIT_MODE_OFF); lua_newtable(L); luaL_register (L,NULL,MFbuiltin_l); #else luaL_newlib(L,MFbuiltin_l); #endif lua_settable(L, -3); /* set the otfcc table */ lua_pushstring(L,"otf"); #ifdef MFLuaJIT /* 5.1 */ lua_newtable(L); luaL_register (L,NULL,mflua_otfcc); #else luaL_newlib(L,mflua_otfcc); #endif lua_settable(L, -3); } lua_pop(L,1); } luafile = kpse_find_file("mflua.lua", kpse_lua_format, 0); if (luafile==NULL) { res = 1; lua_pushstring(L,"mflua.lua not found."); priv_lua_reporterrors(L, res); goto EXIT; } res = luaL_loadfile(L, luafile); free(luafile); if ( res==LUA_OK ) { if((res=lua_pcall(L,0,0,0))){ priv_lua_reporterrors(L, res); goto EXIT; } } else { priv_lua_reporterrors(L, res); goto EXIT; } /* Still a chance that mflua is around */ GETGLOBALTABLEMFLUA(mfluabeginprogram); if (lua_istable(L, -1)) { lua_getfield(L,-1,"begin_program"); if((res=lua_pcall(L,0,0,0))) priv_lua_reporterrors(L, res); } EXIT: lua_settop(L,0); return 0; } /* /\* TODO*\/ */ /* int mfluaendprogram(void) */ /* { */ /* lua_State *L; */ /* char* luafile; */ /* int res; */ /* L = Luas[0]; */ /* GETGLOBALTABLEMFLUA(mfluaendprogram); */ /* luafile = kpse_find_file("end_program.lua", kpse_lua_format, 0); */ /* if (luafile==NULL) { */ /* res = 1; */ /* lua_pushstring(L,"end_program.lua not found"); */ /* priv_lua_reporterrors(L, res); */ /* lua_settop(L,0); */ /* return 0; */ /* } */ /* priv_lua_writemessage(L,"(",luafile,")",1); */ /* res = luaL_loadfile(L, luafile); */ /* free(luafile); */ /* if ( res==0 ) { */ /* res = lua_pcall(L, 0, 0, 0); */ /* } */ /* /\* stackdump_g(L); *\/ */ /* priv_lua_reporterrors(L, res); */ /* lua_settop(L,0); */ /* return 0; */ /* } */ int mfluaendprogram(void) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaendprogram); if (lua_istable(L, -1)) { lua_getfield(L,-1,"end_program"); /* do the call (0 arguments, 0 result) */ if((res=lua_pcall(L, 0, 0, 0))){ lua_pushstring(L,"error in end_program:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREstartofMF(void) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREstartofMF); if (lua_istable(L, -1)) { lua_getfield(L,-1,"PRE_start_of_MF"); /* do the call (0 arguments, 0 result) */ if((res=lua_pcall(L, 0, 0, 0))){ lua_pushstring(L,"error in PRE_start_of_MF:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREmaincontrol(void) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREmaincontrol); if (lua_istable(L, -1)) { lua_getfield(L,-1, "PRE_main_control"); /* do the call (0 arguments, 0 result) */ if((res=lua_pcall(L, 0, 0, 0))){ lua_pushstring(L,"error in PRE_main_control:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTmaincontrol(void) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTmaincontrol); if (lua_istable(L, -1)) { lua_getfield(L,-1, "POST_main_control"); /* do the call (0 arguments, 0 result) */ if((res=lua_pcall(L, 0, 0, 0))){ lua_pushstring(L,"error in POST_main_control:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluainitialize(void) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluainitialize); if (lua_istable(L, -1)) { lua_getfield(L,-1, "mflua_initialize"); /* do the call (0 arguments, 0 result) */ if((res=lua_pcall(L, 0, 0, 0))){ lua_pushstring(L,"error in mflua_initialize:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTfinalcleanup(void) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTfinalcleanup); if (lua_istable(L, -1)) { lua_getfield(L,-1, "POST_final_cleanup"); /* do the call (0 arguments, 0 result) */ if((res=lua_pcall(L, 0, 0, 0))){ lua_pushstring(L,"error in POST_final_cleanup:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } /* Not a good way: */ /* 1) these definitions are taken from mfcoerc.h which is generated at run-time */ /* 2) too much coupling with webc2c translation of mf.web*/ /* */ /* #define printdiagnostic(s, t, nuline) zprintdiagnostic((strnumber) (s), (strnumber) (t), (boolean) (nuline)) */ /* #define print(s) zprint((integer) (s)) */ /* #define printarg(q, n, b) zprintarg((halfword) (q), (integer) (n), (halfword) (b) */ /* int mfluaprintpath P3C(halfword, h , strnumber, s , boolean, nuline) */ /* { */ /* fprintf(stderr,"\n! %d \n",s); */ /* printdiagnostic ( 517 , s , nuline ) ; */ /* println () ; */ /* print ( 518 ) ; */ /* println () ; */ /* fprintf(stderr,"\n! %s\n","*end***************"); */ /* lua_State *L = Luas[0]; */ /* char* file = kpse_find_file("print_path.lua", kpse_lua_format, 0); */ /* int res = luaL_loadfile(L, file); */ /* if (file) free (file); */ /* if ( res==0 ) { */ /* res = lua_pcall(L, 0, 0, 0); */ /* } */ /* // */ /* //stackdump_g(L); */ /* // */ /* priv_lua_reporterrors(L, res); */ /* return 0; */ /* } */ int mfluaprintpath(halfword h, strnumber s, boolean nuline) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaprintpath); if (lua_istable(L, -1)) { lua_getfield(L,-1, "printpath"); lua_pushnumber(L, h); /* push 1st argument */ lua_pushnumber(L, s); /* push 2nd argument */ lua_pushnumber(L, nuline); /* push 3nd argument */ /* do the call (3 arguments, 0 result) */ if((res=lua_pcall(L, 3, 0, 0))){ lua_pushstring(L,"error in printpath:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaprintedges(strnumber s, boolean nuline, integer xoff, integer yoff) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaprintedges); if (lua_istable(L, -1)) { lua_getfield(L,-1, "printedges"); lua_pushnumber(L, s); /* push 1st argument */ lua_pushnumber(L, nuline); /* push 2nd argument */ lua_pushnumber(L, xoff); /* push 3nd argument */ lua_pushnumber(L, yoff); /* push 4nd argument */ /* do the call (4 arguments, 0 result) */ if((res=lua_pcall(L, 4, 0, 0))){ lua_pushstring(L,"error in printedges:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } /* */ /* Sensor before and after offset_prep */ /* */ int mfluaPREoffsetprep(halfword c, halfword h) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREoffsetprep); if (lua_istable(L, -1)) { lua_getfield(L,-1, "PRE_offset_prep"); lua_pushnumber(L, c); /* push 1st argument */ lua_pushnumber(L, h); /* push 2nd argument */ /* do the call (2 arguments, 0 result) */ if((res=lua_pcall(L, 2, 0, 0))){ lua_pushstring(L,"error in PRE_offset_prep:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSToffsetprep(halfword c, halfword h) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSToffsetprep); if (lua_istable(L, -1)) { lua_getfield(L,-1, "POST_offset_prep"); lua_pushnumber(L, c); /* push 1st argument */ lua_pushnumber(L, h); /* push 2nd argument */ /* do the call (2 arguments, 0 result) */ if((res=lua_pcall(L, 2, 0, 0))){ lua_pushstring(L,"error in POST_offset_prep:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREmakespecrhs(halfword rhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREmakespecrhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "PRE_make_spec_rhs"); lua_pushnumber(L, rhs); /* push 1st argument */ /* do the call (1 arguments, 0result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in PRE_make_spec_rhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTmakespecrhs(halfword rhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTmakespecrhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "POST_make_spec_rhs"); lua_pushnumber(L, rhs); /* push 1st argument */ /* do the call (1 arguments, 0result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in POST_make_spec_rhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREmakespeclhs(halfword lhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREmakespeclhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "PRE_make_spec_lhs"); lua_pushnumber(L, lhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in PRE_make_spec_lhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTmakespeclhs(halfword lhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTmakespeclhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "POST_make_spec_lhs"); lua_pushnumber(L, lhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in POST_make_spec_lhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREfillenveloperhs(halfword rhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREfillenveloperhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "PRE_fill_envelope_rhs"); lua_pushnumber(L, rhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in PRE_fill_envelope_rhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTfillenveloperhs(halfword rhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTfillenveloperhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "POST_fill_envelope_rhs"); lua_pushnumber(L, rhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in POST_fill_envelope_rhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREfillenvelopelhs(halfword lhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREfillenvelopelhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "PRE_fill_envelope_lhs"); lua_pushnumber(L, lhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in PRE_fill_envelope_lhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTfillenvelopelhs(halfword lhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTfillenvelopelhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "POST_fill_envelope_lhs"); lua_pushnumber(L, lhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in POST_fill_envelope_lhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREfillspecrhs(halfword rhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREfillspecrhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "PRE_fill_spec_rhs"); lua_pushnumber(L, rhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in PRE_fill_spec_rhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTfillspecrhs(halfword rhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTfillspecrhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "POST_fill_spec_rhs"); lua_pushnumber(L, rhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in POST_fill_spec_rhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREfillspeclhs(halfword lhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREfillspeclhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "PRE_fill_spec_lhs"); L = Luas[0]; lua_pushnumber(L, lhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in PRE_fill_spec_lhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTfillspeclhs(halfword lhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTfillspeclhs); if (lua_istable(L, -1)) { lua_getfield(L,-1, "POST_fill_spec_lhs"); L = Luas[0]; lua_pushnumber(L, lhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in POST_fill_spec_lhs:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREmovetoedges(halfword lhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREmovetoedges); if (lua_istable(L, -1)) { lua_getfield(L,-1, "PRE_move_to_edges"); lua_pushnumber(L, lhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in PRE_move_to_edges:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTmovetoedges(halfword lhs) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTmovetoedges); if (lua_istable(L, -1)) { lua_getfield(L,-1, "POST_move_to_edges"); lua_pushnumber(L, lhs); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in POST_move_to_edges:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREmakechoices(halfword p) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREmakechoices); if (lua_istable(L, -1)) { lua_getfield(L,-1,"PRE_make_choices"); /* function to be called */ lua_pushnumber(L, p); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in PRE_make_choices:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTmakechoices(halfword p) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTmakechoices); if (lua_istable(L, -1)) { lua_getfield(L,-1,"POST_make_choices"); /* function to be called */ lua_pushnumber(L, p); /* push 1st argument */ /* do the call (1 arguments, 0 result) */ if((res=lua_pcall(L, 1, 0, 0))){ lua_pushstring(L,"error in POST_make_choices:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaprintretrogradeline(integer x0, integer y0, integer cur_x, integer cur_y) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaprintretrogradeline); if (lua_istable(L, -1)) { lua_getfield(L,-1,"print_retrograde_line"); lua_pushnumber(L, x0); /* push 1st argument */ lua_pushnumber(L, y0); /* push 2nd argument */ lua_pushnumber(L, cur_x); /* push 3th argument */ lua_pushnumber(L, cur_y); /* push 4th argument */ /* do the call (4 arguments, 0 result) */ if((res=lua_pcall(L, 4, 0, 0))){ lua_pushstring(L,"error in print_retrograde_line:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPREmakeellipse(integer major_axis, integer minor_axis, integer theta_angle , integer tx_val, integer ty_val,integer q) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPREmakeellipse); if (lua_istable(L, -1)) { lua_getfield(L,-1,"PRE_make_ellipse"); lua_pushnumber(L, major_axis); /* push 1st argument */ lua_pushnumber(L, minor_axis); /* push 2nd argument */ lua_pushnumber(L, theta_angle); /* push 3th argument */ lua_pushnumber(L, tx_val); /* push 4th argument */ lua_pushnumber(L, ty_val); /* push 5th argument */ lua_pushnumber(L, q); /* push 6th argument */ /* do the call (6 arguments, 0 result) */ if((res=lua_pcall(L, 6, 1, 0))){ lua_pushstring(L,"error in PRE_make_ellipse:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaPOSTmakeellipse(integer major_axis, integer minor_axis, integer mfl_theta , integer mfl_tx, integer mfl_ty,integer q) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaPOSTmakeellipse); if (lua_istable(L, -1)) { lua_getfield(L,-1,"POST_make_ellipse"); lua_pushnumber(L, major_axis); /* push 1st argument */ lua_pushnumber(L, minor_axis); /* push 2nd argument */ lua_pushnumber(L, mfl_theta); /* push 3th argument */ lua_pushnumber(L, mfl_tx); /* push 4th argument */ lua_pushnumber(L, mfl_ty); /* push 5th argument */ lua_pushnumber(L, q); /* push 6th argument */ /* do the call (6 arguments, 0 result) */ if((res=lua_pcall(L, 6, 1, 0))){ lua_pushstring(L,"error in POST_make_ellipse:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaprinttransitionlinefrom(integer x, integer y) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaprinttransitionlinefrom); if (lua_istable(L, -1)) { lua_getfield(L,-1,"print_transition_line_from"); lua_pushnumber(L, x); /* push 1st argument */ lua_pushnumber(L, y); /* push 2nd argument */ /* do the call (2 arguments, 0 result) */ if((res=lua_pcall(L, 2, 0, 0))){ lua_pushstring(L,"error in print_transition_line_from:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } int mfluaprinttransitionlineto(integer x, integer y) { lua_State *L; int res; L = Luas[0]; GETGLOBALTABLEMFLUA(mfluaprinttransitionlineto); if (lua_istable(L, -1)) { lua_getfield(L,-1,"print_transition_line_to"); lua_pushnumber(L, x); /* push 1st argument */ lua_pushnumber(L, y); /* push 2nd argument */ /* do the call (2 arguments, 0 result) */ if((res=lua_pcall(L, 2, 0, 0))){ lua_pushstring(L,"error in print_transition_line_to:"); lua_swap(L);lua_concat (L, 2); priv_lua_reporterrors(L, res); } } lua_settop(L,0); return 0; } #define priv_append_char(c) do { \ strpool[poolptr]=c; \ poolptr++; \ } while(0) #define priv_str_room(l) do { \ if ((poolptr + l) > maxpoolptr) { \ if ((poolptr + l) > poolsize) { \ fprintf(stderr,"\n! (Lua) MFLua capacity exceeded, sorry [pool size=%ld]\nIf you really absolutely need more capacity,\nyou can ask a wizard to enlarge me.\n",poolsize-initpoolptr); \ exit(1); \ } \ maxpoolptr = poolptr + l; \ } \ } while (0) int mfluarunscript(halfword j, halfword first_val, halfword limit) { int i ; lua_State *L ; unsigned char last_char; int error; const char *str; size_t len; L = Luas[0]; last_char = strpool[j+limit-first_val] ; /* end of a C string */ strpool[j+limit-first_val] = '\0'; str = (const char *)(strpool+j) ; /* do the call (0 arguments, 1 result) */ error = (luaL_loadstring(L, str) || lua_pcall(L, 0, 1, 0)) ; strpool[j+limit-first_val] = last_char; if(error) { priv_lua_reporterrors(L,error); } else { /* retrieve result */ str = lua_tolstring(L, -1,&len); priv_str_room(len); for(i=0;i