diff options
Diffstat (limited to 'Lua')
| -rw-r--r-- | Lua/Makefile | 5 | ||||
| -rw-r--r-- | Lua/lbp.c | 29 | ||||
| -rw-r--r-- | Lua/test.lua | 3 |
3 files changed, 30 insertions, 7 deletions
diff --git a/Lua/Makefile b/Lua/Makefile index d67289e..c729821 100644 --- a/Lua/Makefile +++ b/Lua/Makefile @@ -36,12 +36,15 @@ all: bp.so clean: rm -f lbp.o bp.so -lbp.o: lbp.c +lbp.o: lbp.c builtins.h $(CC) -c $(ALL_FLAGS) -o $@ $< bp.so: lbp.o ../pattern.o ../utils.o ../utf8.o ../match.o ../definitions.o $(MAKESO) -o $@ $^ +builtins.h: ../grammars/builtins.bp + sed 's/\\/\\\\/g;s/"/\\"/g;s/ /\\t/g;s/^/"/;s/$$/\\n"/' $< >$@ + test: bp.so $(LUA) test.lua @@ -5,8 +5,11 @@ * bp.replace(str, pat, replacement, start_index) -> str with replacements */ +#include <fcntl.h> #include <stdlib.h> #include <string.h> +#include <sys/mman.h> +#include <sys/stat.h> #include "lua.h" #include "lauxlib.h" @@ -20,9 +23,15 @@ #define luaL_register(L, _, R) luaL_setfuncs(L, R, 0) #endif +static const char *builtins_source = +#include "builtins.h" +; + static int MATCH_METATABLE = 0; -static inline void push_parse_error(lua_State *L, maybe_pat_t m) +static def_t *builtins; + +static inline void raise_parse_error(lua_State *L, maybe_pat_t m) { size_t err_len = (size_t)(m.value.error.end - m.value.error.start); char *buf = calloc(err_len+1, sizeof(char)); @@ -126,13 +135,13 @@ static int Lmatch(lua_State *L) maybe_pat_t maybe_pat = bp_pattern(pat_text, pat_text + patlen); if (!maybe_pat.success) { - push_parse_error(L, maybe_pat); + raise_parse_error(L, maybe_pat); return 0; } match_t *m = NULL; int ret = 0; - if (next_match(&m, NULL, text, &text[textlen], maybe_pat.value.pat, NULL, false)) { + if (next_match(&m, builtins, text, &text[textlen], maybe_pat.value.pat, NULL, false)) { // lua_createtable(L, 0, 1); @@ -168,12 +177,12 @@ static int Lreplace(lua_State *L) maybe_pat_t maybe_pat = bp_pattern(pat_text, pat_text + patlen); if (!maybe_pat.success) { - push_parse_error(L, maybe_pat); + raise_parse_error(L, maybe_pat); return 0; } maybe_pat = bp_replacement(maybe_pat.value.pat, rep_text, rep_text + replen); if (!maybe_pat.success) { - push_parse_error(L, maybe_pat); + raise_parse_error(L, maybe_pat); return 0; } @@ -182,7 +191,7 @@ static int Lreplace(lua_State *L) FILE *out = open_memstream(&buf, &size); int replacements = 0; const char *prev = text; - for (match_t *m = NULL; next_match(&m, NULL, text, &text[textlen], maybe_pat.value.pat, NULL, false); ) { + for (match_t *m = NULL; next_match(&m, builtins, text, &text[textlen], maybe_pat.value.pat, NULL, false); ) { fwrite(prev, sizeof(char), (size_t)(m->start - prev), out); fprint_match(out, text, m, NULL); prev = m->end; @@ -199,6 +208,14 @@ static int Lreplace(lua_State *L) LUALIB_API int luaopen_bp(lua_State *L) { + maybe_pat_t maybe_pat = bp_pattern(builtins_source, builtins_source+strlen(builtins_source)); + if (!maybe_pat.success) { + raise_parse_error(L, maybe_pat); + return 0; + } + for (pat_t *p = maybe_pat.value.pat; p && p->type == BP_DEFINITION; p = p->args.def.pat) + builtins = with_def(builtins, p->args.def.namelen, p->args.def.name, p->args.def.def); + lua_pushlightuserdata(L, (void*)&MATCH_METATABLE); lua_createtable(L, 0, 4); luaL_register(L, NULL, Rinstance_metamethods); diff --git a/Lua/test.lua b/Lua/test.lua index 6da3505..df7a63d 100644 --- a/Lua/test.lua +++ b/Lua/test.lua @@ -35,3 +35,6 @@ local ok, msg = pcall(function() bp.match("xxx", ".;//;;; wtf") end) if not ok then print(("\x1B[41;30mParse error:\x1B[0;1;31m %s\x1B[m\n"):format(msg)) end + +print("Testing builtins:") +print(bp.match("...(foo())...", "parens")) |