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Cleanup lexer source code.

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This commit is contained in:
Mike Pall
2013-02-28 01:11:49 +01:00
parent 116cdd7e9a
commit 87c51e7f57
5 changed files with 218 additions and 204 deletions
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13
src/lj_lex.h
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@@ -30,7 +30,8 @@ TKDEF(TKENUM1, TKENUM2)
TK_RESERVED = TK_while - TK_OFS
};
typedef int LexToken;
typedef int LexChar; /* Lexical character. Unsigned ext. from char. */
typedef int LexToken; /* Lexical token. */
/* Combined bytecode ins/line. Only used during bytecode generation. */
typedef struct BCInsLine {
@@ -51,10 +52,10 @@ typedef struct VarInfo {
typedef struct LexState {
struct FuncState *fs; /* Current FuncState. Defined in lj_parse.c. */
struct lua_State *L; /* Lua state. */
TValue tokenval; /* Current token value. */
TValue tokval; /* Current token value. */
TValue lookaheadval; /* Lookahead token value. */
int current; /* Current character (charint). */
LexToken token; /* Current token. */
LexChar c; /* Current character. */
LexToken tok; /* Current token. */
LexToken lookahead; /* Lookahead token. */
MSize n; /* Bytes left in input buffer. */
const char *p; /* Current position in input buffer. */
@@ -78,8 +79,8 @@ LJ_FUNC int lj_lex_setup(lua_State *L, LexState *ls);
LJ_FUNC void lj_lex_cleanup(lua_State *L, LexState *ls);
LJ_FUNC void lj_lex_next(LexState *ls);
LJ_FUNC LexToken lj_lex_lookahead(LexState *ls);
LJ_FUNC const char *lj_lex_token2str(LexState *ls, LexToken token);
LJ_FUNC_NORET void lj_lex_error(LexState *ls, LexToken token, ErrMsg em, ...);
LJ_FUNC const char *lj_lex_token2str(LexState *ls, LexToken tok);
LJ_FUNC_NORET void lj_lex_error(LexState *ls, LexToken tok, ErrMsg em, ...);
LJ_FUNC void lj_lex_init(lua_State *L);
#endif