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%{
/* Included code before lex code */
#include <string>
#include "clang_result_parser.h"
#define YYSTYPE std::string
#ifdef yylex
#undef yylex
#define yylex clang_yylex
#endif
/**
* clang_lex_string contains the current token string representation
*/
static std::string clang_lex_string;
extern std::string clang_result_lval;
/**
* reset the lexer
*/
void clang_lex_clean();
void clang_yyless(int count);
/**
* accessors
*/
const std::string& clang_lex_get_string()
{
return clang_lex_string;
}
/**
* return value macro
*/
#define RETURN_VALUE(x) {\
clang_lex_string = yytext;\
clang_result_lval = yytext;\
return(x);\
}
%}
%option yylineno
/**
* Some basic regexes, delete them if you dont really need them
*/
identifier [a-zA-Z_][0-9a-zA-Z_\-]*
exponent_part [eE][-+]?[0-9]+
fractional_constant ([0-9]*"."[0-9]+)|([0-9]+".")
floating_constant (({fractional_constant}{exponent_part}?)|([0-9]+{exponent_part}))[FfLl]?
integer_suffix_opt ([uU]?[lL]?)|([lL][uU])
decimal_constant [1-9][0-9]*{integer_suffix_opt}
octal_constant "0"[0-7]*{integer_suffix_opt}
hex_constant "0"[xX][0-9a-fA-F]+{integer_suffix_opt}
octal_escape [0-7]{3}
h_tab [\011]
form_feed [\014]
v_tab [\013]
c_return [\015]
horizontal_white [ ]|{h_tab}
n_escape [\]{2}n
v_escape [\]{2}v
r_escape [\]{2}r
t_escape [\]{2}t
quotes_escape [\]{2}"
%%
{horizontal_white}+ {}
({v_tab}|{c_return}|{form_feed})+ {}
({horizontal_white}|{v_tab}|{c_return}|{form_feed})*"\n" {}
"COMPLETION" {RETURN_VALUE(CLANG_COMPLETION)};
operator {RETURN_VALUE(CLANG_OPERATOR)};
"(hidden)" {RETURN_VALUE(CLANG_HIDDEN);}
"[#" {RETURN_VALUE(CLANG_DELIM_OPEN);}
"#]" {RETURN_VALUE(CLANG_DELIM_CLOSE);}
"<#" {RETURN_VALUE(CLANG_ARG_DELIM_OPEN);}
"#>" {RETURN_VALUE(CLANG_ARG_DELIM_CLOSE);}
"{#" {RETURN_VALUE(CLANG_ARG_OPT_DELIM_OPEN);}
"#}" {RETURN_VALUE(CLANG_ARG_OPT_DELIM_CLOSE);}
"*" {RETURN_VALUE(CLANG_STAR);}
"&" {RETURN_VALUE(CLANG_AMP);}
"~" {RETURN_VALUE(CLANG_TILDE);}
"enum" {RETURN_VALUE(CLANG_ENUM);}
"<anonymous>" {RETURN_VALUE(CLANG_ANONYMOUS);}
"::" {RETURN_VALUE(CLANG_CLCL);}
"=" {RETURN_VALUE(CLANG_OP_ASSIGN);}
".*" {RETURN_VALUE(CLANG_OP_DOTstar);}
"->" {RETURN_VALUE(CLANG_OP_ARROW);}
"->*" {RETURN_VALUE(CLANG_OP_ARROWstar);}
"++" {RETURN_VALUE(CLANG_OP_ICR);}
"--" {RETURN_VALUE(CLANG_OP_DECR);}
"<<" {RETURN_VALUE(CLANG_OP_LS);}
">>" {RETURN_VALUE(CLANG_OP_RS);}
"<=" {RETURN_VALUE(CLANG_OP_LE);}
">=" {RETURN_VALUE(CLANG_OP_GE);}
"==" {RETURN_VALUE(CLANG_OP_EQ);}
"!=" {RETURN_VALUE(CLANG_OP_NE);}
"..." {RETURN_VALUE(CLANG_ELLIPSIS);}
{identifier} {RETURN_VALUE(CLANG_NAME);}
. {RETURN_VALUE((int)*yytext);}
%%
void clang_lex_clean()
{
yy_flush_buffer(YY_CURRENT_BUFFER);
yy_delete_buffer(YY_CURRENT_BUFFER);
}
void clang_set_lexer_input(const std::string &in)
{
BEGIN INITIAL;
yy_scan_string(in.c_str());
}
int clang_result_wrap()
{
return 1;
}
void clang_yyless(int count)
{
yyless(count);
}
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