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15 check-ins related to "lemon-improvements"
|18:19||Enhance the Lemon parser generator so that it creates a faster parser at the cost of slightly larger parser tables. Add the ability to measure coverage of the generated state machine when compiling with the -DYYCONVERGE option. In SQLite, add the SQLITE_TESTCTRL_PARSER_COVERAGE test-control to query the new parser coverage feature. check-in: 1b22b42e user: drh tags: trunk|
|17:36||The previous check-in had an error in the coverage reporting logic. Closed-Leaf check-in: ec9b19eb user: drh tags: lemon-improvements|
|17:14||Change the coverage measurement logic in the lemon-generated parser so that it only checks for coverage of state/lookahead pairs that are valid syntax. It turns out that some states are unreachable if the lookahead is not valid syntax, because the states are only reachable through a shift following a reduce, and the reduce does not happen if the lookahead is a syntax error. check-in: 9dce4650 user: drh tags: lemon-improvements|
|16:13||In the lemon-generated parser, do not report the End-of-input character and the wildcard character as missed coverage. check-in: 3fe96487 user: drh tags: lemon-improvements|
|15:21||In LEMON, fix an off-by-one error that can make the lookahead table one byte too smal. check-in: 93792bc5 user: drh tags: lemon-improvements|
|18:32||Change the lemon-parser coverage report format to report all state/lookahead pairs and indicate on each whether it is hit or missed. check-in: 86e30fc2 user: drh tags: lemon-improvements|
|18:14||Merge bug fixes from trunk. check-in: d76e1206 user: drh tags: lemon-improvements|
|18:04||Add support for measuring and reporting coverage of the parser state machine using the SQLITE_TESTCTRL_PARSER_COVERAGE test-control. check-in: 1253a872 user: drh tags: lemon-improvements|
|14:46||Faster and smaller implementation of sqlite3AtoF() based on a suggestion from Cezary H. Noweta. check-in: fd2e0e7a user: drh tags: trunk|
|04:15||Enhance LEMON so that it generates the action table in such a way that no range check is needed on the lookahead table to verify that the next input token is valid. This makes the lookahead table slightly larger (about 120 bytes) but helps the parser to run faster. check-in: 7eb0198d user: drh tags: lemon-improvements|
|00:10||In the LEMON-generated parser, avoid unnecessary tests for the acceptance state. check-in: fdbb35c5 user: drh tags: lemon-improvements|
|23:38||In the LEMON-generated parser, rearrange the meanings of integer action codes so that reduce actions occur last. This means that the most common case (reduce actions) can be recognized with a single comparison operation, thus speeding up the main parser loop, slightly. check-in: 7bfe7a36 user: drh tags: lemon-improvements|
|17:06||Improved parser tracing output. check-in: 25be5750 user: drh tags: lemon-improvements|
|14:14||Improved parser tracing output. check-in: c4951833 user: drh tags: span-refactor|
|14:39||Simplification to the error handling logic in the extension loader. check-in: 07c77314 user: drh tags: trunk|