X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Flexer%2Flexer.c;h=71597302032a48cbf31f4d12d028f54bbc009780;hb=68f08c4bb53fcde16035b622bdb6e9529f9cf3ae;hp=4e10ec22478caf8c8e3579d9e8b8094b0b31f688;hpb=fdcc4b6875ccdbf7bd01bc401e87afbeb71c2bfd;p=pspp-builds.git diff --git a/src/language/lexer/lexer.c b/src/language/lexer/lexer.c index 4e10ec22..71597302 100644 --- a/src/language/lexer/lexer.c +++ b/src/language/lexer/lexer.c @@ -43,6 +43,7 @@ #define DUMP_TOKENS 0 + struct lexer { struct string line_buffer; @@ -108,6 +109,18 @@ lex_get_source_stream (const struct lexer *lex) return lex->ss; } +enum syntax_mode +lex_current_syntax_mode (const struct lexer *lex) +{ + return source_stream_current_syntax_mode (lex->ss); +} + +enum error_mode +lex_current_error_mode (const struct lexer *lex) +{ + return source_stream_current_error_mode (lex->ss); +} + void lex_destroy (struct lexer *lexer) @@ -832,7 +845,7 @@ strip_comments (struct string *string) *LINE_STARTS_COMMAND and *LINE_ENDS_COMMAND appropriately. */ void lex_preprocess_line (struct string *line, - enum getl_syntax syntax, + enum syntax_mode syntax, bool *line_starts_command, bool *line_ends_command) { @@ -854,15 +867,11 @@ lex_preprocess_line (struct string *line, Sets *SYNTAX, if SYNTAX is non-null, to the line's syntax mode. */ bool -lex_get_line_raw (struct lexer *lexer, enum getl_syntax *syntax) +lex_get_line_raw (struct lexer *lexer) { - enum getl_syntax dummy; - bool ok; - - if (syntax == NULL) - syntax = &dummy; - ok = getl_read_line (lexer->ss, &lexer->line_buffer, syntax); - journal_write (*syntax == GETL_BATCH, ds_cstr (&lexer->line_buffer)); + bool ok = getl_read_line (lexer->ss, &lexer->line_buffer); + enum syntax_mode mode = lex_current_syntax_mode (lexer); + journal_write (mode == GETL_BATCH, ds_cstr (&lexer->line_buffer)); return ok; } @@ -874,15 +883,15 @@ bool lex_get_line (struct lexer *lexer) { bool line_starts_command; - enum getl_syntax syntax = GETL_BATCH; - if (!lex_get_line_raw (lexer, &syntax)) + if (!lex_get_line_raw (lexer)) { lexer->prog = NULL; return false; } - lex_preprocess_line (&lexer->line_buffer, syntax, + lex_preprocess_line (&lexer->line_buffer, + lex_current_syntax_mode (lexer), &line_starts_command, &lexer->dot); if (line_starts_command)