-#ifndef GMQCC_LEXER_HDR_
-#define GMQCC_LEXER_HDR_
+#ifndef GMQCC_LEXER_HDR
+#define GMQCC_LEXER_HDR
+
+#include "gmqcc.h"
+
+#define TOKENS(X) \
+ /* Other tokens which we can return: */ \
+ X(NONE, =0) \
+ X(CR, = '\r') \
+ X(LF, = '\n') \
+ X(WS, = ' ') \
+ X(BACKSLASH, = '\\') \
+ X(HASH, = '#') \
+ X(DOLLAR, = '$') \
+ X(DOT, = '.') \
+ X(COMMA, = ',') \
+ X(COLON, = ':') \
+ X(SEMICOLON, = ';') \
+ X(AND, = '&') \
+ X(OR, = '|') \
+ X(XOR, = '^') \
+ X(BITNOT, = '~') \
+ X(NOT, = '!') \
+ X(LT, = '<') \
+ X(GT, = '>') \
+ X(EQ, = '=') \
+ X(MUL, = '*') \
+ X(DIV, = '/') \
+ X(MOD, = '%') \
+ X(ADD, = '+') \
+ X(SUB, = '-') \
+ X(QUOT_SINGLE, = '\'') \
+ X(QUOT_DOUBLE, = '"') \
+ X(QUESTION, = '?') \
+ X(BRACE_OPEN, = '{') \
+ X(BRACE_CLOSE, = '}') \
+ X(BRACKET_OPEN, = '[') \
+ X(BRACKET_CLOSE, = ']') \
+ X(PAREN_OPEN, = '(') \
+ X(PAREN_CLOSE, = ')') \
+ X(START, = 128) \
+ X(IDENT, ) \
+ X(TYPENAME, ) \
+ X(OPERATOR, ) \
+ X(OP_AND, ) \
+ X(OP_CROSS, ) \
+ X(OP_LE, ) \
+ X(OP_GE, ) \
+ X(OP_LSH, ) \
+ X(OP_RSH, ) \
+ /* loop */ \
+ X(KEYWORD, ) \
+ /* 3 dots, ... */ \
+ X(DOTS, ) \
+ /* [[ */ \
+ X(ATTRIBUTE_OPEN, ) \
+ /* ]] */ \
+ X(ATTRIBUTE_CLOSE, ) \
+ /* for the ftepp only */ \
+ X(VA_ARGS, ) \
+ /* for the ftepp only */ \
+ X(VA_ARGS_ARRAY, ) \
+ /* to get the count of vaargs */ \
+ X(VA_COUNT, ) \
+ /* not the typename but an actual "string" */ \
+ X(STRINGCONST, ) \
+ X(CHARCONST, ) \
+ X(VECTORCONST, ) \
+ X(INTCONST, ) \
+ X(FLOATCONST, ) \
+ X(WHITE, ) \
+ X(EOL, ) \
+ /* if we add additional tokens before this, the exposed API \
+ * should not be broken anyway, but EOF/ERROR/... should \
+ * still be at the bottom \
+ */ \
+ X(END, = 1024) \
+ /* We use '< ERROR', so FATAL must come after it and any \
+ * other error related tokens as well \
+ */ \
+ X(ERROR, ) \
+ /* internal error, eg out of memory */ \
+ X(FATAL, ) \
+ /**/
+
+enum Token : int { // todo: enum class
+#define X(id, val) id val,
+ TOKENS(X)
+#undef X
+};
+
+inline const char *TokenName(Token t) {
+ switch (t) {
+ default:
+ return "UNKNOWN";
+#define X(id, val) case Token::id: return #id;
+ TOKENS(X)
+#undef X
+ }
+}
-typedef struct token_s token;
+struct cvec {
+ std::string value;
-#include "ast.h"
+ explicit cvec() = default;
-struct token_s {
- int ttype;
+ char *mut() {
+ return &value[0];
+ }
- MEM_VECTOR_MAKE(char, value);
+ const char *c_str() {
+ return value.c_str();
+ }
- union {
- vector v;
- int i;
- double f;
- int t; /* type */
- } constval;
+ void shrinkto(size_t i) {
+ value.resize(i);
+ }
- struct token_s *next;
- struct token_s *prev;
+ void shrinkby(size_t i) {
+ value.resize(value.size() - i);
+ }
- lex_ctx ctx;
+ void push(char it) {
+ value.push_back(it);
+ }
};
-token* token_new();
-void token_delete(token*);
-token* token_copy(const token *cp);
-void token_delete_all(token *t);
-token* token_copy_all(const token *cp);
+struct token {
+ Token ttype;
+ cvec value;
+ union {
+ vec3_t v;
+ int i;
+ qcfloat_t f;
+ qc_type t; /* type */
+ } constval;
+ lex_ctx_t ctx;
+};
-/* Lexer
- *
- */
-enum {
- /* Other tokens which we can return: */
- TOKEN_NONE = 0,
- TOKEN_START = 128,
+struct frame_macro {
+ std::string name;
+ int value;
+};
- TOKEN_IDENT,
+struct lex_file {
+ FILE *file;
+ const char *open_string;
+ size_t open_string_length;
+ size_t open_string_pos;
- TOKEN_TYPENAME,
+ char *name;
+ size_t line;
+ size_t sline; /* line at the start of a token */
+ size_t column;
- TOKEN_OPERATOR,
+ std::array<Token, 256> peek;
+ size_t peekpos;
- TOKEN_KEYWORD, /* loop */
+ bool eof;
- TOKEN_STRINGCONST, /* not the typename but an actual "string" */
- TOKEN_CHARCONST,
- TOKEN_VECTORCONST,
- TOKEN_INTCONST,
- TOKEN_FLOATCONST,
+ token tok; /* not a pointer anymore */
- TOKEN_EOF,
+ struct {
+ bool noops:1;
+ bool nodigraphs:1; /* used when lexing string constants */
+ bool preprocessing:1; /* whitespace and EOLs become actual tokens */
+ bool mergelines:1; /* backslash at the end of a line escapes the newline */
+ } flags; /* sizeof == 1 */
- /* We use '< TOKEN_ERROR', so TOKEN_FATAL must come after it and any
- * other error related tokens as well
- */
- TOKEN_ERROR,
- TOKEN_FATAL /* internal error, eg out of memory */
-};
+ int framevalue;
+ frame_macro *frames;
+ std::string modelname;
-static const char *_tokennames[] = {
- "TOKEN_START",
- "TOKEN_IDENT",
- "TOKEN_TYPENAME",
- "TOKEN_OPERATOR",
- "TOKEN_KEYWORD",
- "TOKEN_STRINGCONST",
- "TOKEN_CHARCONST",
- "TOKEN_VECTORCONST",
- "TOKEN_INTCONST",
- "TOKEN_FLOATCONST",
- "TOKEN_EOF",
- "TOKEN_ERROR",
- "TOKEN_FATAL",
+ size_t push_line;
};
-typedef int
-_all_tokennames_added_[
- ((TOKEN_FATAL - TOKEN_START + 1) ==
- (sizeof(_tokennames)/sizeof(_tokennames[0])))
- ? 1 : -1];
-typedef struct {
- FILE *file;
- char *name;
- size_t line;
- size_t sline; /* line at the start of a token */
+lex_file *lex_open(const char *file);
- char peek[256];
- size_t peekpos;
+lex_file *lex_open_string(const char *str, size_t len, const char *name);
- token *tok;
+void lex_close(lex_file *lex);
- struct {
- bool noops;
- } flags;
-} lex_file;
+Token lex_do(lex_file *lex);
-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();
/* Parser
*
#define OP_SUFFIX 1
#define OP_PREFIX 2
-typedef struct {
- const char *op;
+struct oper_info {
+ const char *op;
unsigned int operands;
unsigned int id;
unsigned int assoc;
- unsigned int prec;
+ signed int prec;
unsigned int flags;
-} oper_info;
-
-#define opid1(a) (a)
-#define opid2(a,b) ((a<<8)|b)
-#define opid3(a,b,c) ((a<<16)|(b<<8)|c)
-
-static const oper_info operators[] = {
- { "++", 1, opid3('S','+','+'), ASSOC_LEFT, 16, OP_SUFFIX},
- { "--", 1, opid3('S','-','-'), ASSOC_LEFT, 16, OP_SUFFIX},
-
- { ".", 2, opid1('.'), ASSOC_LEFT, 15, 0 },
-
- { "!", 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, opid3('+','+','P'), ASSOC_RIGHT, 14, OP_PREFIX },
- { "--", 1, opid3('-','-','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 },
+ bool folds;
+};
- { "+", 2, opid1('+'), ASSOC_LEFT, 12, 0 },
- { "-", 2, opid1('-'), ASSOC_LEFT, 12, 0 },
+/*
+ * Explicit uint8_t casts since the left operand of shift operator cannot
+ * be negative, even though it won't happen, this supresses the future
+ * possibility.
+ */
+#define opid1(a) ((uint8_t)a)
+#define opid2(a, b) (((uint8_t)a<<8) |(uint8_t)b)
+#define opid3(a, b, c) (((uint8_t)a<<16)|((uint8_t)b<<8)|(uint8_t)c)
- { "<<", 2, opid2('<','<'), ASSOC_LEFT, 11, 0 },
- { ">>", 2, opid2('>','>'), ASSOC_LEFT, 11, 0 },
+static const oper_info c_operators[] = {
+ {"(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX, false}, /* paren expression - non function call */
+ {"_length", 1, opid3('l', 'e', 'n'), ASSOC_RIGHT, 98, OP_PREFIX, true},
- { "<", 2, opid1('<'), ASSOC_LEFT, 10, 0 },
- { ">", 2, opid1('>'), ASSOC_LEFT, 10, 0 },
- { "<=", 2, opid2('<','='), ASSOC_LEFT, 10, 0 },
- { ">=", 2, opid2('>','='), ASSOC_LEFT, 10, 0 },
+ {"++", 1, opid3('S', '+', '+'), ASSOC_LEFT, 17, OP_SUFFIX, false},
+ {"--", 1, opid3('S', '-', '-'), ASSOC_LEFT, 17, OP_SUFFIX, false},
+ {".", 2, opid1('.'), ASSOC_LEFT, 17, 0, false},
+ {"(", 0, opid1('('), ASSOC_LEFT, 17, 0, false}, /* function call */
+ {"[", 2, opid1('['), ASSOC_LEFT, 17, 0, false}, /* array subscript */
- { "==", 2, opid2('=','='), ASSOC_LEFT, 9, 0 },
- { "!=", 2, opid2('!','='), ASSOC_LEFT, 9, 0 },
+ {"++", 1, opid3('+', '+', 'P'), ASSOC_RIGHT, 16, OP_PREFIX, false},
+ {"--", 1, opid3('-', '-', 'P'), ASSOC_RIGHT, 16, OP_PREFIX, false},
- { "&", 2, opid1('&'), ASSOC_LEFT, 8, 0 },
+ {"**", 2, opid2('*', '*'), ASSOC_RIGHT, 14, 0, true},
+ {"!", 1, opid2('!', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, true},
+ {"~", 1, opid2('~', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, true},
+ {"+", 1, opid2('+', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, false},
+ {"-", 1, opid2('-', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, true},
+/* { "&", 1, opid2('&','P'), ASSOC_RIGHT, 14, OP_PREFIX, false}, */
- { "^", 2, opid1('^'), ASSOC_LEFT, 7, 0 },
+ {"*", 2, opid1('*'), ASSOC_LEFT, 13, 0, true},
+ {"/", 2, opid1('/'), ASSOC_LEFT, 13, 0, true},
+ {"%", 2, opid1('%'), ASSOC_LEFT, 13, 0, true},
+ {"><", 2, opid2('>', '<'), ASSOC_LEFT, 13, 0, true},
- { "|", 2, opid1('|'), ASSOC_LEFT, 6, 0 },
+ {"+", 2, opid1('+'), ASSOC_LEFT, 12, 0, true},
+ {"-", 2, opid1('-'), ASSOC_LEFT, 12, 0, true},
- { "&&", 2, opid2('&','&'), ASSOC_LEFT, 5, 0 },
+ {"<<", 2, opid2('<', '<'), ASSOC_LEFT, 11, 0, true},
+ {">>", 2, opid2('>', '>'), ASSOC_LEFT, 11, 0, true},
- { "||", 2, opid2('|','|'), ASSOC_LEFT, 4, 0 },
+ {"<", 2, opid1('<'), ASSOC_LEFT, 10, 0, false},
+ {">", 2, opid1('>'), ASSOC_LEFT, 10, 0, false},
+ {"<=>", 2, opid3('<', '=', '>'), ASSOC_LEFT, 10, 0, true},
+ {"<=", 2, opid2('<', '='), ASSOC_LEFT, 10, 0, false},
+ {">=", 2, opid2('>', '='), ASSOC_LEFT, 10, 0, false},
- { "?", 3, opid2('?',':'), ASSOC_RIGHT, 3, 0 },
+ {"==", 2, opid2('=', '='), ASSOC_LEFT, 9, 0, true},
+ {"!=", 2, opid2('!', '='), ASSOC_LEFT, 9, 0, true},
- { "=", 2, opid1('='), ASSOC_RIGHT, 2, 0 },
- { "+=", 2, opid2('+','='), ASSOC_RIGHT, 2, 0 },
- { "-=", 2, opid2('-','='), ASSOC_RIGHT, 2, 0 },
- { "*=", 2, opid2('*','='), ASSOC_RIGHT, 2, 0 },
- { "/=", 2, opid2('/','='), ASSOC_RIGHT, 2, 0 },
- { "%=", 2, opid2('%','='), ASSOC_RIGHT, 2, 0 },
- { ">>=", 2, opid3('>','>','='), ASSOC_RIGHT, 2, 0 },
- { "<<=", 2, opid3('<','<','='), ASSOC_RIGHT, 2, 0 },
- { "&=", 2, opid2('&','='), ASSOC_RIGHT, 2, 0 },
- { "^=", 2, opid2('^','='), ASSOC_RIGHT, 2, 0 },
- { "|=", 2, opid2('|','='), ASSOC_RIGHT, 2, 0 },
+ {"&", 2, opid1('&'), ASSOC_LEFT, 8, 0, true},
- { ",", 2, opid1(','), ASSOC_LEFT, 1, 0 }
-};
-static const size_t operator_count = (sizeof(operators) / sizeof(operators[0]));
+ {"^", 2, opid1('^'), ASSOC_LEFT, 7, 0, true},
-typedef struct
-{
- lex_file *lex;
- int error;
- lex_ctx ctx;
+ {"|", 2, opid1('|'), ASSOC_LEFT, 6, 0, true},
- token *tokens;
- token *lastok;
+ {"&&", 2, opid2('&', '&'), ASSOC_LEFT, 5, 0, true},
- token *tok; /* current token */
+ {"||", 2, opid2('|', '|'), ASSOC_LEFT, 4, 0, true},
- MEM_VECTOR_MAKE(ast_value*, globals);
-} parse_file;
+ {"?", 3, opid2('?', ':'), ASSOC_RIGHT, 3, 0, true},
-MEM_VECTOR_PROTO(parse_file, ast_value*, globals);
+ {"=", 2, opid1('='), ASSOC_RIGHT, 2, 0, false},
+ {"+=", 2, opid2('+', '='), ASSOC_RIGHT, 2, 0, false},
+ {"-=", 2, opid2('-', '='), ASSOC_RIGHT, 2, 0, false},
+ {"*=", 2, opid2('*', '='), ASSOC_RIGHT, 2, 0, false},
+ {"/=", 2, opid2('/', '='), ASSOC_RIGHT, 2, 0, false},
+ {"%=", 2, opid2('%', '='), ASSOC_RIGHT, 2, 0, false},
+ {">>=", 2, opid3('>', '>', '='), ASSOC_RIGHT, 2, 0, false},
+ {"<<=", 2, opid3('<', '<', '='), ASSOC_RIGHT, 2, 0, false},
+ {"&=", 2, opid2('&', '='), ASSOC_RIGHT, 2, 0, false},
+ {"^=", 2, opid2('^', '='), ASSOC_RIGHT, 2, 0, false},
+ {"|=", 2, opid2('|', '='), ASSOC_RIGHT, 2, 0, false},
-parse_file* parse_open(const char *file);
-void parse_file_close(parse_file*);
+ {":", 0, opid2(':', '?'), ASSOC_RIGHT, 1, 0, false},
-bool parse(parse_file*);
+ {",", 2, opid1(','), ASSOC_LEFT, 0, 0, false}
+};
-bool parse_iskey(parse_file *self, const char *ident);
+static const oper_info fte_operators[] = {
+ {"(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX, false}, /* paren expression - non function call */
+
+ {"++", 1, opid3('S', '+', '+'), ASSOC_LEFT, 15, OP_SUFFIX, false},
+ {"--", 1, opid3('S', '-', '-'), ASSOC_LEFT, 15, OP_SUFFIX, false},
+ {".", 2, opid1('.'), ASSOC_LEFT, 15, 0, false},
+ {"(", 0, opid1('('), ASSOC_LEFT, 15, 0, false}, /* function call */
+ {"[", 2, opid1('['), ASSOC_LEFT, 15, 0, false}, /* array subscript */
+
+ {"!", 1, opid2('!', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, true},
+ {"+", 1, opid2('+', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, false},
+ {"-", 1, opid2('-', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, true},
+ {"++", 1, opid3('+', '+', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, false},
+ {"--", 1, opid3('-', '-', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, false},
+
+ {"*", 2, opid1('*'), ASSOC_LEFT, 13, 0, true},
+ {"/", 2, opid1('/'), ASSOC_LEFT, 13, 0, true},
+ {"&", 2, opid1('&'), ASSOC_LEFT, 13, 0, true},
+ {"|", 2, opid1('|'), ASSOC_LEFT, 13, 0, true},
+
+ {"+", 2, opid1('+'), ASSOC_LEFT, 12, 0, true},
+ {"-", 2, opid1('-'), ASSOC_LEFT, 12, 0, true},
+
+ {"<<", 2, opid2('<', '<'), ASSOC_LEFT, 11, 0, true},
+ {">>", 2, opid2('>', '>'), ASSOC_LEFT, 11, 0, true},
+
+ {"<", 2, opid1('<'), ASSOC_LEFT, 10, 0, false},
+ {">", 2, opid1('>'), ASSOC_LEFT, 10, 0, false},
+ {"<=", 2, opid2('<', '='), ASSOC_LEFT, 10, 0, false},
+ {">=", 2, opid2('>', '='), ASSOC_LEFT, 10, 0, false},
+ {"==", 2, opid2('=', '='), ASSOC_LEFT, 10, 0, true},
+ {"!=", 2, opid2('!', '='), ASSOC_LEFT, 10, 0, true},
+
+ {"?", 3, opid2('?', ':'), ASSOC_RIGHT, 9, 0, true},
+
+ {"=", 2, opid1('='), ASSOC_RIGHT, 8, 0, false},
+ {"+=", 2, opid2('+', '='), ASSOC_RIGHT, 8, 0, false},
+ {"-=", 2, opid2('-', '='), ASSOC_RIGHT, 8, 0, false},
+ {"*=", 2, opid2('*', '='), ASSOC_RIGHT, 8, 0, false},
+ {"/=", 2, opid2('/', '='), ASSOC_RIGHT, 8, 0, false},
+ {"%=", 2, opid2('%', '='), ASSOC_RIGHT, 8, 0, false},
+ {"&=", 2, opid2('&', '='), ASSOC_RIGHT, 8, 0, false},
+ {"|=", 2, opid2('|', '='), ASSOC_RIGHT, 8, 0, false},
+ {"&~=", 2, opid3('&', '~', '='), ASSOC_RIGHT, 8, 0, false},
+
+ {"&&", 2, opid2('&', '&'), ASSOC_LEFT, 5, 0, true},
+ {"||", 2, opid2('|', '|'), ASSOC_LEFT, 5, 0, true},
+
+ /* Leave precedence 3 for : with -fcorrect-ternary */
+ {",", 2, opid1(','), ASSOC_LEFT, 2, 0, false},
+ {":", 0, opid2(':', '?'), ASSOC_RIGHT, 1, 0, false}
+};
-void lexerror(lex_file*, const char *fmt, ...);
+static const oper_info qcc_operators[] = {
+ {"(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX, false}, /* paren expression - non function call */
+
+ {".", 2, opid1('.'), ASSOC_LEFT, 15, 0, false},
+ {"(", 0, opid1('('), ASSOC_LEFT, 15, 0, false}, /* function call */
+ {"[", 2, opid1('['), ASSOC_LEFT, 15, 0, false}, /* array subscript */
+
+ {"!", 1, opid2('!', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, true},
+ {"+", 1, opid2('+', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, false},
+ {"-", 1, opid2('-', 'P'), ASSOC_RIGHT, 14, OP_PREFIX, true},
+
+ {"*", 2, opid1('*'), ASSOC_LEFT, 13, 0, true},
+ {"/", 2, opid1('/'), ASSOC_LEFT, 13, 0, true},
+ {"&", 2, opid1('&'), ASSOC_LEFT, 13, 0, true},
+ {"|", 2, opid1('|'), ASSOC_LEFT, 13, 0, true},
+
+ {"+", 2, opid1('+'), ASSOC_LEFT, 12, 0, true},
+ {"-", 2, opid1('-'), ASSOC_LEFT, 12, 0, true},
+
+ {"<", 2, opid1('<'), ASSOC_LEFT, 10, 0, false},
+ {">", 2, opid1('>'), ASSOC_LEFT, 10, 0, false},
+ {"<=", 2, opid2('<', '='), ASSOC_LEFT, 10, 0, false},
+ {">=", 2, opid2('>', '='), ASSOC_LEFT, 10, 0, false},
+ {"==", 2, opid2('=', '='), ASSOC_LEFT, 10, 0, true},
+ {"!=", 2, opid2('!', '='), ASSOC_LEFT, 10, 0, true},
+
+ {"=", 2, opid1('='), ASSOC_RIGHT, 8, 0, false},
+ {"+=", 2, opid2('+', '='), ASSOC_RIGHT, 8, 0, false},
+ {"-=", 2, opid2('-', '='), ASSOC_RIGHT, 8, 0, false},
+ {"*=", 2, opid2('*', '='), ASSOC_RIGHT, 8, 0, false},
+ {"/=", 2, opid2('/', '='), ASSOC_RIGHT, 8, 0, false},
+ {"%=", 2, opid2('%', '='), ASSOC_RIGHT, 8, 0, false},
+ {"&=", 2, opid2('&', '='), ASSOC_RIGHT, 8, 0, false},
+ {"|=", 2, opid2('|', '='), ASSOC_RIGHT, 8, 0, false},
+
+ {"&&", 2, opid2('&', '&'), ASSOC_LEFT, 5, 0, true},
+ {"||", 2, opid2('|', '|'), ASSOC_LEFT, 5, 0, true},
+
+ {",", 2, opid1(','), ASSOC_LEFT, 2, 0, false},
+};
+extern const oper_info *operators;
+extern size_t operator_count;
#endif