X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Flexer%2Flexer.h;h=03202e260b64e4386af93b429d39f99b29bce5e7;hb=533d87afa57daa6cdf8043ca6dde33a158b5141c;hp=b0787e8f44eb4f55a4da4799aa62fdec96a7f223;hpb=92e42986429596633f71457a585b3266209822dd;p=pspp diff --git a/src/language/lexer/lexer.h b/src/language/lexer/lexer.h index b0787e8f44..03202e260b 100644 --- a/src/language/lexer/lexer.h +++ b/src/language/lexer/lexer.h @@ -1,5 +1,5 @@ /* PSPP - a program for statistical analysis. - Copyright (C) 1997-9, 2000, 2010, 2011 Free Software Foundation, Inc. + Copyright (C) 1997-9, 2000, 2010, 2011, 2013, 2014 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -19,6 +19,7 @@ #include #include +#include #include "data/identifier.h" #include "data/variable.h" @@ -38,7 +39,7 @@ enum lex_syntax_mode /* Handling of errors. */ enum lex_error_mode { - LEX_ERROR_INTERACTIVE, /* Always continue to next command. */ + LEX_ERROR_TERMINAL, /* Discard input line and continue reading. */ LEX_ERROR_CONTINUE, /* Continue to next command, except for cascading failures. */ LEX_ERROR_STOP /* Stop processing. */ @@ -52,6 +53,7 @@ struct lex_reader const struct lex_reader_class *class; enum lex_syntax_mode syntax; enum lex_error_mode error; + char *encoding; char *file_name; /* NULL if not associated with a file. */ int line_number; /* 1-based initial line number, 0 if none. */ }; @@ -84,10 +86,10 @@ struct lex_reader *lex_reader_for_file (const char *file_name, const char *encoding, enum lex_syntax_mode syntax, enum lex_error_mode error); -struct lex_reader *lex_reader_for_string (const char *); -struct lex_reader *lex_reader_for_format (const char *, ...) - PRINTF_FORMAT (1, 2); -struct lex_reader *lex_reader_for_substring_nocopy (struct substring); +struct lex_reader *lex_reader_for_string (const char *, const char *encoding); +struct lex_reader *lex_reader_for_format (const char *, const char *, ...) + PRINTF_FORMAT (1, 3); +struct lex_reader *lex_reader_for_substring_nocopy (struct substring, const char *encoding); /* Initialization. */ struct lexer *lex_create (void); @@ -128,6 +130,7 @@ bool lex_force_int (struct lexer *); bool lex_force_num (struct lexer *); bool lex_force_id (struct lexer *); bool lex_force_string (struct lexer *); +bool lex_force_string_or_id (struct lexer *); /* Token accessors. */ enum token_type lex_token (const struct lexer *); @@ -148,6 +151,7 @@ int lex_get_last_line_number (const struct lexer *, int n); int lex_get_first_column (const struct lexer *, int n); int lex_get_last_column (const struct lexer *, int n); const char *lex_get_file_name (const struct lexer *); +const char *lex_get_encoding (const struct lexer *); /* Issuing errors. */ void lex_error (struct lexer *, const char *, ...) PRINTF_FORMAT (2, 3); @@ -158,7 +162,12 @@ int lex_end_of_command (struct lexer *); void lex_error_expecting (struct lexer *, const char *, ...) SENTINEL(0); void lex_sbc_only_once (const char *); -void lex_sbc_missing (struct lexer *, const char *); +void lex_sbc_missing (const char *); + +void lex_spec_only_once (struct lexer *, const char *subcommand, + const char *specification); +void lex_spec_missing (struct lexer *, const char *subcommand, + const char *specification); void lex_error_valist (struct lexer *, const char *, va_list) PRINTF_FORMAT (2, 0);