aboutsummaryrefslogtreecommitdiffstats
path: root/lib/parsetools/doc/src/yecc.xml
diff options
context:
space:
mode:
Diffstat (limited to 'lib/parsetools/doc/src/yecc.xml')
-rw-r--r--lib/parsetools/doc/src/yecc.xml12
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/parsetools/doc/src/yecc.xml b/lib/parsetools/doc/src/yecc.xml
index 81f1550b0a..1d2a985d7d 100644
--- a/lib/parsetools/doc/src/yecc.xml
+++ b/lib/parsetools/doc/src/yecc.xml
@@ -95,6 +95,10 @@
<item>This is a short form for both <c>report_errors</c> and
<c>report_warnings</c>.
</item>
+ <tag><c>warnings_as_errors</c></tag>
+ <item>
+ <p>Causes warnings to be treated as errors.</p>
+ </item>
<tag><c>{return_errors, bool()}</c>.</tag>
<item>If this flag is set, <c>{error, Errors, Warnings}</c>
is returned when there are errors. Default is
@@ -421,9 +425,9 @@ myparser:parse_and_scan({Mod, Tokenizer, Args}) </code>
Nonterminals E T F.
Terminals '+' '*' '(' ')' number.
Rootsymbol E.
-E -> E '+' T: ['$1', '$2', '$3'].
+E -> E '+' T: ['$2', '$1', '$3'].
E -> T : '$1'.
-T -> T '*' F: ['$1', '$2', '$3'].
+T -> T '*' F: ['$2', '$1', '$3'].
T -> F : '$1'.
F -> '(' E ')' : '$2'.
F -> number : '$1'. </code>
@@ -434,8 +438,8 @@ Terminals '+' '*' '(' ')' number.
Rootsymbol E.
Left 100 '+'.
Left 200 '*'.
-E -> E '+' E : ['$1', '$2', '$3'].
-E -> E '*' E : ['$1', '$2', '$3'].
+E -> E '+' E : ['$2', '$1', '$3'].
+E -> E '*' E : ['$2', '$1', '$3'].
E -> '(' E ')' : '$2'.
E -> number : '$1'. </code>
<p>3. An overloaded minus operator:</p>