X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/8c63ea58497f2deb05596f96547d19395545a0ee..f6bb1928f1b14c2ef5bd122d489c1df236daedf6:/parser.h diff --git a/parser.h b/parser.h index 4ef4608..e4a06dc 100644 --- a/parser.h +++ b/parser.h @@ -39,7 +39,7 @@ typedef struct yy_parser { /* lexer state */ - I32 lex_brackets; /* bracket count */ + I32 lex_brackets; /* square and curly bracket count */ I32 lex_casemods; /* casemod count */ char *lex_brackstack;/* what kind of brackets to pop */ char *lex_casestack; /* what kind of case mods in effect */ @@ -61,7 +61,7 @@ typedef struct yy_parser { char multi_close; /* delimiter of said string */ char pending_ident; /* pending identifier lookup */ bool preambled; - /* XXX I32 space */ + I32 lex_allbrackets;/* (), [], {}, ?: bracket count */ SUBLEXINFO sublex_info; SV *linestr; /* current chunk of src text */ char *bufptr; @@ -105,12 +105,33 @@ typedef struct yy_parser { COP *saved_curcop; /* the previous PL_curcop */ char tokenbuf[256]; + bool in_pod; /* lexer is within a =pod section */ + U8 lex_fakeeof; /* precedence at which to fake EOF */ } yy_parser; /* flags for lexer API */ #define LEX_STUFF_UTF8 0x00000001 #define LEX_KEEP_PREVIOUS 0x00000002 +/* flags for parser API */ +#define PARSE_OPTIONAL 0x00000001 + +/* values for lex_fakeeof */ +enum { + LEX_FAKEEOF_NEVER, /* don't fake EOF */ + LEX_FAKEEOF_CLOSING, /* fake EOF at unmatched closing punctuation */ + LEX_FAKEEOF_NONEXPR, /* ... and at token that can't be in expression */ + LEX_FAKEEOF_LOWLOGIC, /* ... and at low-precedence logic operator */ + LEX_FAKEEOF_COMMA, /* ... and at comma */ + LEX_FAKEEOF_ASSIGN, /* ... and at assignment operator */ + LEX_FAKEEOF_IFELSE, /* ... and at ?: operator */ + LEX_FAKEEOF_RANGE, /* ... and at range operator */ + LEX_FAKEEOF_LOGIC, /* ... and at logic operator */ + LEX_FAKEEOF_BITWISE, /* ... and at bitwise operator */ + LEX_FAKEEOF_COMPARE, /* ... and at comparison operator */ + LEX_FAKEEOF_MAX +}; + /* * Local variables: * c-indentation-style: bsd