View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0000977 | 1003.1(2013)/Issue7+TC1 | Shell and Utilities | public | 2015-08-18 14:30 | 2019-06-10 08:54 |
| Reporter | kaz | Assigned To | ajosey | ||
| Priority | normal | Severity | Editorial | Type | Omission |
| Status | Closed | Resolution | Accepted As Marked | ||
| Name | Kaz Kylheku | ||||
| Organization | |||||
| User Reference | |||||
| Section | yacc | ||||
| Page Number | 3415,3417 | ||||
| Line Number | 114993-114995,115059-115063 | ||||
| Interp Status | --- | ||||
| Final Accepted Text | 0000977:0002795 | ||||
| Summary | 0000977: Content of y.tab.h insufficiently described. | ||||
| Description | What goes into y.tab.h? This is described under the -d option: -d Write the header file; by default only the code file is written. The #define statements associate the token codes assigned by yacc with the user-declared token names. This allows source files other than y.tab.c to access the token codes. (Firstly, the wording could use improvement: "The #define statements" is the subject of a well-formed sentence, but there is no clear requirement that these statements are to be generated in y.tab.h.) My main reason for this report is that this is incomplete. The y.tab.h file must contain not only the preprocessor symbol definitions for the Yacc terminal symbols, but also the declaration of the YYSTYPE union, which is used to declare the yylval variable, similar to: extern YYSTYPE yylval; This is because y.tab.h is traditionally included by lexers, which need to provide the function: int yylex() { /* store some values into a member of yylval */ return /* one of the tokens from y.tab.h */; } | ||||
| Desired Action | Please codify content of y.tab.h more completely, if possible. Also, there are problems if Yacc implementations deposit unnecessary material in y.tab.h which isn't confined to the implemenation namespaces; it would be good to have a proscription against such. | ||||
| Tags | tc2-2008 | ||||
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It looks like the text under the heading Header File in the OUTPUT FILES section specifies most of what is wanted. |
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On P3415 Line 114993 - 114995 Change: -d Write the header file; by default only the code file is written. The #define statements associate the token codes assigned by yacc with the user-declared token names. This allows source files other than y.tab.c to access the token codes. to: -d Write the header file; by default only the code file is written. See the OUTPUT FILES section. |
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2015-08-18 14:30 | kaz | New Issue | |
| 2015-08-18 14:30 | kaz | Status | New => Under Review |
| 2015-08-18 14:30 | kaz | Assigned To | => ajosey |
| 2015-08-18 14:30 | kaz | Name | => Kaz Kylheku |
| 2015-08-18 14:30 | kaz | Section | => http://pubs.opengroup.org/onlinepubs/9699919799/utilities/yacc.html |
| 2015-08-18 14:30 | kaz | Page Number | => n/a |
| 2015-08-18 14:30 | kaz | Line Number | => n/a |
| 2015-08-20 03:58 | kaz | Description Updated | |
| 2015-08-20 03:59 | kaz | Description Updated | |
| 2015-08-20 04:38 | Don Cragun | Project | 1003.1(2008)/Issue 7 => 1003.1(2013)/Issue7+TC1 |
| 2015-08-20 04:41 | Don Cragun | Section | http://pubs.opengroup.org/onlinepubs/9699919799/utilities/yacc.html => yacc |
| 2015-08-20 04:41 | Don Cragun | Page Number | n/a => 3415,3417 |
| 2015-08-20 04:41 | Don Cragun | Line Number | n/a => 114993-114995,115059-115063 |
| 2015-08-20 04:41 | Don Cragun | Interp Status | => --- |
| 2015-08-20 04:45 | Don Cragun | Note Added: 0002792 | |
| 2015-08-20 16:06 | geoffclare | Note Added: 0002795 | |
| 2015-08-20 16:07 | geoffclare | Final Accepted Text | => 0000977:0002795 |
| 2015-08-20 16:07 | geoffclare | Status | Under Review => Resolved |
| 2015-08-20 16:07 | geoffclare | Resolution | Open => Accepted As Marked |
| 2015-08-20 16:07 | geoffclare | Tag Attached: tc2-2008 | |
| 2019-06-10 08:54 | agadmin | Status | Resolved => Closed |
