+
+## ------------------- ##
+## Rule Line Numbers. ##
+## ------------------- ##
+
+AT_SETUP([Rule Line Numbers])
+
+AT_DATA([input.y],
+[[%%
+expr:
+'a'
+
+{
+
+}
+
+'b'
+
+{
+
+}
+
+|
+
+
+{
+
+
+}
+
+'c'
+
+{
+
+}
+]])
+
+AT_CHECK([bison input.y input.c -v], 0, [], [])
+
+# Check the contents of the report.
+AT_CHECK([cat input.output], [],
+[[
+Grammar
+
+ Number, Line, Rule
+ 1 2 @1 -> /* empty */
+ 2 2 expr -> 'a' @1 'b'
+ 3 15 @2 -> /* empty */
+ 4 15 expr -> @2 'c'
+
+Terminals, with rules where they appear
+
+$ (-1)
+'a' (97) 2
+'b' (98) 2
+'c' (99) 4
+error (256)
+
+Nonterminals, with rules where they appear
+
+expr (6)
+ on left: 2 4
+@1 (7)
+ on left: 1, on right: 2
+@2 (8)
+ on left: 3, on right: 4
+
+
+state 0
+
+ 'a' shift, and go to state 1
+
+ $default reduce using rule 3 (@2)
+
+ expr go to state 6
+ @2 go to state 2
+
+
+
+state 1
+
+ expr -> 'a' . @1 'b' (rule 2)
+
+ $default reduce using rule 1 (@1)
+
+ @1 go to state 3
+
+
+
+state 2
+
+ expr -> @2 . 'c' (rule 4)
+
+ 'c' shift, and go to state 4
+
+
+
+state 3
+
+ expr -> 'a' @1 . 'b' (rule 2)
+
+ 'b' shift, and go to state 5
+
+
+
+state 4
+
+ expr -> @2 'c' . (rule 4)
+
+ $default reduce using rule 4 (expr)
+
+
+
+state 5
+
+ expr -> 'a' @1 'b' . (rule 2)
+
+ $default reduce using rule 2 (expr)
+
+
+
+state 6
+
+ $ go to state 7
+
+
+
+state 7
+
+ $ go to state 8
+
+
+
+state 8
+
+ $default accept
+]])
+
+AT_CLEANUP
+
+
+
projects / bison.git / commitdiff
