X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fdata-io%2Fdata-reader.c;h=e701a936d241f5ad749c40322fa57f5164ba16b5;hb=9ade26c8349b4434008c46cf09bc7473ec743972;hp=87fa8c92efa7f8da06814633f7bd1f017a7e13f2;hpb=afdf3096926b561f4e6511c10fcf73fc6796b9d2;p=pspp-builds.git diff --git a/src/language/data-io/data-reader.c b/src/language/data-io/data-reader.c index 87fa8c92..e701a936 100644 --- a/src/language/data-io/data-reader.c +++ b/src/language/data-io/data-reader.c @@ -32,7 +32,6 @@ #include "language/command.h" #include "language/data-io/file-handle.h" #include "language/lexer/lexer.h" -#include "language/prompt.h" #include "libpspp/assertion.h" #include "libpspp/cast.h" #include "libpspp/integer-format.h" @@ -53,6 +52,7 @@ enum dfm_reader_flags DFM_SAW_BEGIN_DATA = 004, /* For inline_file only, whether we've already read a BEGIN DATA line. */ DFM_TABS_EXPANDED = 010, /* Tabs have been expanded. */ + DFM_CONSUME = 020 /* read_inline_record() should get a token? */ }; /* Data file reader. */ @@ -60,7 +60,7 @@ struct dfm_reader { struct file_handle *fh; /* File handle. */ struct fh_lock *lock; /* Mutual exclusion lock for file. */ - struct msg_locator where; /* Current location in data file. */ + int line_number; /* Current line or record number. */ struct string line; /* Current line. */ struct string scratch; /* Extra line buffer. */ enum dfm_reader_flags flags; /* Zero or more of DFM_*. */ @@ -141,8 +141,7 @@ dfm_open_reader (struct file_handle *fh, struct lexer *lexer) if (fh_get_referent (fh) != FH_REF_INLINE) { struct stat s; - r->where.file_name = CONST_CAST (char *, fh_get_file_name (fh)); - r->where.line_number = 0; + r->line_number = 0; r->file = fn_open (fh_get_file_name (fh), "rb"); if (r->file == NULL) { @@ -177,33 +176,37 @@ read_inline_record (struct dfm_reader *r) if ((r->flags & DFM_SAW_BEGIN_DATA) == 0) { r->flags |= DFM_SAW_BEGIN_DATA; + r->flags &= ~DFM_CONSUME; while (lex_token (r->lexer) == T_ENDCMD) lex_get (r->lexer); - if (!lex_force_match_id (r->lexer, "BEGIN") || !lex_force_match_id (r->lexer, "DATA")) + + if (!lex_force_match_id (r->lexer, "BEGIN") + || !lex_force_match_id (r->lexer, "DATA")) return false; - prompt_set_style (PROMPT_DATA); - } - if (!lex_get_line_raw (r->lexer)) - { - lex_discard_line (r->lexer); - msg (SE, _("Unexpected end-of-file while reading data in BEGIN " - "DATA. This probably indicates " - "a missing or incorrectly formatted END DATA command. " - "END DATA must appear by itself on a single line " - "with exactly one space between words.")); - return false; + lex_match (r->lexer, T_ENDCMD); } - if (ds_length (lex_entire_line_ds (r->lexer) ) >= 8 - && !strncasecmp (lex_entire_line (r->lexer), "end data", 8)) + if (r->flags & DFM_CONSUME) + lex_get (r->lexer); + + if (!lex_is_string (r->lexer)) { - lex_discard_line (r->lexer); + if (!lex_match_id (r->lexer, "END") || !lex_match_id (r->lexer, "DATA")) + { + msg (SE, _("Missing END DATA while reading inline data. " + "This probably indicates a missing or incorrectly " + "formatted END DATA command. END DATA must appear " + "by itself on a single line with exactly one space " + "between words.")); + lex_discard_rest_of_command (r->lexer); + } return false; } - ds_assign_string (&r->line, lex_entire_line_ds (r->lexer) ); + ds_assign_substring (&r->line, lex_tokss (r->lexer)); + r->flags |= DFM_CONSUME; return true; } @@ -480,7 +483,7 @@ read_record (struct dfm_reader *r) { bool ok = read_file_record (r); if (ok) - r->where.line_number++; + r->line_number++; return ok; } else @@ -678,13 +681,15 @@ dfm_get_column (const struct dfm_reader *r, const char *p) const char * dfm_get_file_name (const struct dfm_reader *r) { - return fh_get_referent (r->fh) == FH_REF_FILE ? r->where.file_name : NULL; + return (fh_get_referent (r->fh) == FH_REF_FILE + ? fh_get_file_name (r->fh) + : NULL); } int dfm_get_line_number (const struct dfm_reader *r) { - return fh_get_referent (r->fh) == FH_REF_FILE ? r->where.line_number : -1; + return fh_get_referent (r->fh) == FH_REF_FILE ? r->line_number : -1; } /* BEGIN DATA...END DATA procedure. */ @@ -702,13 +707,14 @@ cmd_begin_data (struct lexer *lexer, struct dataset *ds) "input program does not access the inline file.")); return CMD_CASCADING_FAILURE; } + lex_match (lexer, T_ENDCMD); /* Open inline file. */ r = dfm_open_reader (fh_inline_file (), lexer); r->flags |= DFM_SAW_BEGIN_DATA; + r->flags &= ~DFM_CONSUME; /* Input procedure reads from inline file. */ - prompt_set_style (PROMPT_DATA); casereader_destroy (proc_open (ds)); ok = proc_commit (ds); dfm_close_reader (r);