X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=lexer.h;h=c84b2084ee57c0e854696b886b79f0132ce42d42;hp=ae8812b261c5be6e68252a78704e2e32438b59c7;hb=19391bb1907c1727b50a32c2766fb9ee6b215b61;hpb=067294a470beb5479c97a3ac9e5147691e6013a8 diff --git a/lexer.h b/lexer.h index ae8812b..c84b208 100644 --- a/lexer.h +++ b/lexer.h @@ -45,6 +45,8 @@ enum { TOKEN_KEYWORD, /* loop */ + TOKEN_DOTS, /* 3 dots, ... */ + TOKEN_STRINGCONST, /* not the typename but an actual "string" */ TOKEN_CHARCONST, TOKEN_VECTORCONST, @@ -66,6 +68,7 @@ static const char *_tokennames[] = { "TOKEN_TYPENAME", "TOKEN_OPERATOR", "TOKEN_KEYWORD", + "TOKEN_DOTS", "TOKEN_STRINGCONST", "TOKEN_CHARCONST", "TOKEN_VECTORCONST", @@ -81,6 +84,11 @@ _all_tokennames_added_[ (sizeof(_tokennames)/sizeof(_tokennames[0]))) ? 1 : -1]; +typedef struct { + char *name; + int value; +} frame_macro; + typedef struct { FILE *file; char *name; @@ -90,11 +98,17 @@ typedef struct { char peek[256]; size_t peekpos; + bool eof; + token *tok; struct { bool noops; } flags; + + int framevalue; + MEM_VECTOR_MAKE(frame_macro, frames); + char *modelname; } lex_file; MEM_VECTOR_PROTO(lex_file, char, token); @@ -102,6 +116,7 @@ MEM_VECTOR_PROTO(lex_file, char, token); lex_file* lex_open (const char *file); void lex_close(lex_file *lex); int lex_do (lex_file *lex); +void lex_cleanup(void); /* Parser * @@ -128,14 +143,17 @@ typedef struct { #define opid2(a,b) ((a<<8)|b) #define opid3(a,b,c) ((a<<16)|(b<<8)|c) -static const oper_info operators[] = { +static const oper_info c_operators[] = { + { "(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX}, /* paren expression - non function call */ + { "++", 1, opid3('S','+','+'), ASSOC_LEFT, 16, OP_SUFFIX}, { "--", 1, opid3('S','-','-'), ASSOC_LEFT, 16, OP_SUFFIX}, { ".", 2, opid1('.'), ASSOC_LEFT, 15, 0 }, + { "(", 0, opid1('('), ASSOC_LEFT, 15, 0 }, /* function call */ - { "!", 1, opid2('!', 'P'), ASSOC_RIGHT, 14, 0 }, - { "~", 1, opid2('~', 'P'), ASSOC_RIGHT, 14, 0 }, + { "!", 1, opid2('!', 'P'), ASSOC_RIGHT, 14, OP_PREFIX }, + { "~", 1, opid2('~', 'P'), ASSOC_RIGHT, 14, OP_PREFIX }, { "+", 1, opid2('+','P'), ASSOC_RIGHT, 14, OP_PREFIX }, { "-", 1, opid2('-','P'), ASSOC_RIGHT, 14, OP_PREFIX }, { "++", 1, opid3('+','+','P'), ASSOC_RIGHT, 14, OP_PREFIX }, @@ -186,7 +204,51 @@ static const oper_info operators[] = { { ",", 2, opid1(','), ASSOC_LEFT, 1, 0 } }; -static const size_t operator_count = (sizeof(operators) / sizeof(operators[0])); +static const size_t c_operator_count = (sizeof(c_operators) / sizeof(c_operators[0])); + +static const oper_info qcc_operators[] = { + { "(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX}, /* paren expression - non function call */ + + { ".", 2, opid1('.'), ASSOC_LEFT, 15, 0 }, + { "(", 0, opid1('('), ASSOC_LEFT, 15, 0 }, /* function call */ + + { "!", 1, opid2('!', 'P'), ASSOC_RIGHT, 14, OP_PREFIX }, + { "+", 1, opid2('+','P'), ASSOC_RIGHT, 14, OP_PREFIX }, + { "-", 1, opid2('-','P'), ASSOC_RIGHT, 14, OP_PREFIX }, + + { "*", 2, opid1('*'), ASSOC_LEFT, 13, 0 }, + { "/", 2, opid1('/'), ASSOC_LEFT, 13, 0 }, + { "&", 2, opid1('&'), ASSOC_LEFT, 13, 0 }, + { "|", 2, opid1('|'), ASSOC_LEFT, 13, 0 }, + + { "+", 2, opid1('+'), ASSOC_LEFT, 12, 0 }, + { "-", 2, opid1('-'), ASSOC_LEFT, 12, 0 }, + + { "<", 2, opid1('<'), ASSOC_LEFT, 10, 0 }, + { ">", 2, opid1('>'), ASSOC_LEFT, 10, 0 }, + { "<=", 2, opid2('<','='), ASSOC_LEFT, 10, 0 }, + { ">=", 2, opid2('>','='), ASSOC_LEFT, 10, 0 }, + { "==", 2, opid2('=','='), ASSOC_LEFT, 10, 0 }, + { "!=", 2, opid2('!','='), ASSOC_LEFT, 10, 0 }, + + { "=", 2, opid1('='), ASSOC_RIGHT, 8, 0 }, + { "+=", 2, opid2('+','='), ASSOC_RIGHT, 8, 0 }, + { "-=", 2, opid2('-','='), ASSOC_RIGHT, 8, 0 }, + { "*=", 2, opid2('*','='), ASSOC_RIGHT, 8, 0 }, + { "/=", 2, opid2('/','='), ASSOC_RIGHT, 8, 0 }, + { "%=", 2, opid2('%','='), ASSOC_RIGHT, 8, 0 }, + { "&=", 2, opid2('&','='), ASSOC_RIGHT, 8, 0 }, + { "|=", 2, opid2('|','='), ASSOC_RIGHT, 8, 0 }, + + { "&&", 2, opid2('&','&'), ASSOC_LEFT, 5, 0 }, + { "||", 2, opid2('|','|'), ASSOC_LEFT, 5, 0 }, + + { ",", 2, opid1(','), ASSOC_LEFT, 1, 0 } +}; +static const size_t qcc_operator_count = (sizeof(qcc_operators) / sizeof(qcc_operators[0])); + +extern const oper_info *operators; +extern size_t operator_count; typedef struct {