branch: externals/parser-generator
commit 7a3e653dd2006d11b13cea333bab87159908a2f2
Author: Christian Johansson <[email protected]>
Commit: Christian Johansson <[email protected]>
Added test for testing precedence of context-sensitive attribute
---
test/parser-generator-lr-test.el | 33 ++++++++++++++++++++++++++-------
1 file changed, 26 insertions(+), 7 deletions(-)
diff --git a/test/parser-generator-lr-test.el b/test/parser-generator-lr-test.el
index 1e3de75..b09789e 100644
--- a/test/parser-generator-lr-test.el
+++ b/test/parser-generator-lr-test.el
@@ -249,7 +249,14 @@
((and
a-value
(not b-value))
- t))))
+ t)
+
+ ((and
+ (not a-value)
+ (not b-value))
+ nil)
+
+ )))
(parser-generator-lr-generate-parser-tables)
(should
(equal
@@ -341,6 +348,7 @@
`(,symbol ,(match-beginning 0) . ,(match-end 0)))))
(t (error "Unexpected input at %d!" index))))
token))))
+
(setq
parser-generator-lex-analyzer--get-function
(lambda (token)
@@ -373,6 +381,9 @@
(setq
parser-generator--context-sensitive-attributes
'(%prec))
+ (setq
+ parser-generator--global-declaration
+ nil)
(parser-generator-set-grammar
'(
(start input line exp)
@@ -396,7 +407,6 @@
("(" exp ")" (lambda(args) (nth 1 args)))))
start))
(parser-generator-process-grammar)
-
(should-error
(parser-generator-lr-generate-parser-tables))
(message "Grammar caused expected conflict 3")
@@ -441,6 +451,8 @@
;; * -> reduce 5.. causes expected (1+1)*2 = 4
(let ((buffer (generate-new-buffer "*buffer*")))
(switch-to-buffer buffer)
+
+ (kill-region (point-min) (point-max))
(insert "2+3*5\n")
(let ((parse (parser-generator-lr-parse)))
(should
@@ -452,11 +464,9 @@
(equal
17.0
translate)))
- (kill-buffer))
- (message "Passed correct precedence of 2+3*5 = 2+(3*5) = 17")
+ (message "Passed correct precedence of 2+3*5 = 2+(3*5) = 17")
- (let ((buffer (generate-new-buffer "*buffer*")))
- (switch-to-buffer buffer)
+ (kill-region (point-min) (point-max))
(insert "2*3+5\n")
(let ((parse (parser-generator-lr-parse)))
(should
@@ -468,8 +478,17 @@
(equal
16.0
translate)))
+ (message "Passed incorrect precedence of 2*3+5 => 2*(3+5) = 16")
+
+ (kill-region (point-min) (point-max))
+ (insert "-5+3\n")
+ (let ((translate (parser-generator-lr-translate)))
+ (should
+ (equal
+ -8.0
+ translate)))
+ (message "Passed incorrect precedence of -5+3 => -(5+3) = -8")
(kill-buffer))
- (message "Passed incorrect precedence of 2*3+5 => 2*(3+5) = 16")
;; Add global precedence, but it should not solve all errors
(setq
