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* src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved

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(grammar_rules_print): here.
* src/reduce.c (reduce_output): Use it.
* tests/reduce.at (Useless Rules, Reduced Automaton)
(Underivable Rules): Adjust.
This commit is contained in:
Akim Demaille
2002-06-15 18:23:33 +00:00
parent 6b98e4b563
commit 9757c359ef
5 changed files with 62 additions and 38 deletions
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42
tests/reduce.at
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@@ -124,6 +124,8 @@ AT_CLEANUP
AT_SETUP([Useless Rules])
AT_KEYWORDS([report])
AT_DATA([[input.y]],
[[%verbose
%output="input.c"
@@ -184,16 +186,16 @@ Terminals which are not used:
'7'
'8'
'9'
Useless rules:
#2 useless1: '1';
#3 useless2: '2';
#4 useless3: '3';
#5 useless4: '4';
#6 useless5: '5';
#7 useless6: '6';
#8 useless7: '7';
#9 useless8: '8';
#10 useless9: '9';
Useless rules
2 useless1: '1'
3 useless2: '2'
4 useless3: '3'
5 useless4: '4'
6 useless5: '5'
7 useless6: '6'
8 useless7: '7'
9 useless8: '8'
10 useless9: '9'
]])
AT_CLEANUP
@@ -209,6 +211,8 @@ AT_CLEANUP
AT_SETUP([Reduced Automaton])
AT_KEYWORDS([report])
# The non reduced grammar.
# ------------------------
AT_DATA([[not-reduced.y]],
@@ -249,10 +253,10 @@ AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' not-reduced.output]], 0,
non_productive
Terminals which are not used:
useless_token
Useless rules:
#2 exp: non_productive;
#3 not_reachable: useful;
#4 non_productive: non_productive useless_token;
Useless rules
2 exp: non_productive
3 not_reachable: useful
4 non_productive: non_productive useless_token
]])
# The reduced grammar.
@@ -296,6 +300,8 @@ AT_CLEANUP
AT_SETUP([Underivable Rules])
AT_KEYWORDS([report])
AT_DATA([[input.y]],
[[%verbose
%output="input.c"
@@ -319,10 +325,10 @@ AT_CHECK([[sed -n '/^Grammar/q;/^$/!p' input.output]], 0,
[[Useless nonterminals:
underivable
indirection
Useless rules:
#2 exp: underivable;
#3 underivable: indirection;
#4 indirection: underivable;
Useless rules
2 exp: underivable
3 underivable: indirection
4 indirection: underivable
]])
AT_CLEANUP