111 lines
1.6 KiB
C
111 lines
1.6 KiB
C
/*
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* FSMs for 4c++ lexer
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*
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* 23.03.2016 (dd.mm.yyyy)
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*/
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// TOP
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struct String_And_Flag{
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char *str;
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unsigned int flags;
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};
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enum Lex_State{
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LS_default,
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LS_identifier,
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LS_pound,
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LS_pp,
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LS_char,
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LS_char_multiline,
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LS_char_slashed,
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LS_string,
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LS_string_multiline,
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LS_string_slashed,
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LS_number,
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LS_number0,
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LS_float,
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LS_crazy_float0,
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LS_crazy_float1,
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LS_hex,
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LS_comment_pre,
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LS_comment,
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LS_comment_slashed,
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LS_comment_block,
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LS_comment_block_ending,
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LS_dot,
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LS_ellipsis,
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LS_less,
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LS_less_less,
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LS_more,
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LS_more_more,
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LS_minus,
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LS_arrow,
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LS_and,
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LS_or,
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LS_plus,
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LS_colon,
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LS_star,
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LS_modulo,
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LS_caret,
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LS_eq,
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LS_bang,
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LS_error_message,
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//
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LS_count
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};
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enum Lex_Int_State{
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LSINT_default,
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LSINT_u,
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LSINT_l,
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LSINT_L,
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LSINT_ul,
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LSINT_uL,
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LSINT_ll,
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LSINT_extra,
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//
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LSINT_count
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};
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enum Lex_INC_State{
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LSINC_default,
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LSINC_quotes,
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LSINC_pointy,
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LSINC_junk,
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};
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enum Lex_PP_State{
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LSPP_default,
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LSPP_include,
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LSPP_macro_identifier,
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LSPP_identifier,
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LSPP_body_if,
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LSPP_body,
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LSPP_number,
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LSPP_error,
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LSPP_junk,
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//
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LSPP_count
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};
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struct Whitespace_FSM{
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unsigned char pp_state;
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unsigned char white_done;
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};
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struct Lex_FSM{
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unsigned char state;
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union{
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unsigned char int_state;
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unsigned char directive_state;
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unsigned char sub_machine;
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};
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unsigned char emit_token;
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unsigned char multi_line;
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};
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// BOTTOM
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