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[elpa] externals/parser-generator 0e1fbf9cef 07/29: More debugging of ed
From: |
Christian Johansson |
Subject: |
[elpa] externals/parser-generator 0e1fbf9cef 07/29: More debugging of edge case |
Date: |
Sat, 12 Feb 2022 02:24:43 -0500 (EST) |
branch: externals/parser-generator
commit 0e1fbf9cef7ee822390988d2504e375b3a42d9b7
Author: Christian Johansson <christian@cvj.se>
Commit: Christian Johansson <christian@cvj.se>
More debugging of edge case
---
parser-generator.el | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/parser-generator.el b/parser-generator.el
index 75630bbfd5..6a3befc48a 100644
--- a/parser-generator.el
+++ b/parser-generator.el
@@ -45,7 +45,7 @@
(defvar
parser-generator--debug
- nil
+ t
"Whether to print debug messages or not.")
(defvar
@@ -1842,10 +1842,13 @@
;; When the e-identifier is an alternative
trail
;; and there a symbols left on stack
;; make alternative trail by skipping this
symbol
+ ;; but only if there are more symbols in
the input tape
(when (and
e-trail-is-viable-p
(not found-e-trail)
- (not disallow-e-first)
+ (or
+ (not disallow-e-first)
+ (> original-first-length 0))
(parser-generator--valid-e-p
(car alternative-first)))
(push
- [elpa] externals/parser-generator 26b8a21276 01/29: Added failing test for LR(k=1) parse with left-recursive grammar, (continued)
- [elpa] externals/parser-generator 26b8a21276 01/29: Added failing test for LR(k=1) parse with left-recursive grammar, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator add9d0072f 09/29: Added failing test for e-free-first, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator bb396d5ce9 12/29: Made psuedo-code for algorithm of FIRST and E-FREE-FIRST, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator 0fa8261ed2 11/29: Passing some tests for FIRST, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator 3bf81567ac 05/29: Added TODO notes and a failing test for e-free-first, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator 4e4907da84 10/29: More wrestling with FIRST and E-FREE-FIRST, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator 6ffa2a0290 15/29: More work on FIRST function, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator efe98cb71a 14/29: More tweaks of FIRST and E-FREE-FIRST, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator a7a321ca93 28/29: Added link to TODO document, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator e1f3fb4042 18/29: More work on FIRST, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator 0e1fbf9cef 07/29: More debugging of edge case,
Christian Johansson <=
- [elpa] externals/parser-generator 653b8edece 17/29: Added failing test for generate-f-sets, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator 4c34af706f 29/29: Improved documentation, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator a175c1317a 08/29: Started on refactor of e-free-first function to properly handle a edge case, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator 94fa7c3732 06/29: Cleaning up of e-free-first test, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator d2227ad65e 13/29: More wrestling with FIRST and E-FREE-FIRST calculation, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator d85a3ae246 16/29: Passing more tests, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator e2e464bb17 26/29: Updated version, date and TODO, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator dced2e199f 22/29: Sorting LR-action tables before outputting them in messages, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator 69fc89898e 19/29: Passing all tests for FIRST and E-FREE-FIRST with new algorithm, Christian Johansson, 2022/02/12
- [elpa] externals/parser-generator 6726c5231e 24/29: Fixed conflict, Christian Johansson, 2022/02/12