diff options
Diffstat (limited to 'articles/xerl-0.4-expression-separator/index.html')
| -rw-r--r-- | articles/xerl-0.4-expression-separator/index.html | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/articles/xerl-0.4-expression-separator/index.html b/articles/xerl-0.4-expression-separator/index.html index 7c5d12af..14209b2a 100644 --- a/articles/xerl-0.4-expression-separator/index.html +++ b/articles/xerl-0.4-expression-separator/index.html @@ -71,14 +71,14 @@ <p>As promised we are adding an expression separator this time. This will be short and easy.</p> <p>In the tokenizer we only need to add a line recognizing the comma as a valid token.</p> -<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8 +<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> <pre><tt>, <font color="#990000">:</font> {<font color="#FF6600">token</font>, {<font color="#FF6600">','</font>, <font color="#009900">TokenLine</font>}}<font color="#990000">.</font></tt></pre> </div></div> <p>Then we need to change the following lines in the parser:</p> -<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8 +<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> @@ -86,7 +86,7 @@ http://www.gnu.org/software/src-highlite --> <font color="#FF6600">exprs</font> <font color="#990000">-></font> <font color="#FF6600">expr</font> <font color="#FF6600">exprs</font> <font color="#990000">:</font> [<font color="#FF6600">'$1'</font> | <font color="#FF6600">'$2'</font>]<font color="#990000">.</font></tt></pre> </div></div> <p>And add a comma between the expressions on the second line:</p> -<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8 +<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> @@ -94,7 +94,7 @@ http://www.gnu.org/software/src-highlite --> <font color="#FF6600">exprs</font> <font color="#990000">-></font> <font color="#FF6600">expr</font> <font color="#FF6600">','</font> <font color="#FF6600">exprs</font> <font color="#990000">:</font> [<font color="#FF6600">'$1'</font> | <font color="#FF6600">'$3'</font>]<font color="#990000">.</font></tt></pre> </div></div> <p>That takes care of everything except the optional trailing comma at the end of our lists of expressions. We just need an additional rule to take care of this.</p> -<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8 +<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9 by Lorenzo Bettini http://www.lorenzobettini.it http://www.gnu.org/software/src-highlite --> @@ -118,6 +118,10 @@ http://www.gnu.org/software/src-highlite --> + <li><a href="https://ninenines.eu/articles/cowboy-2.7.0/">Cowboy 2.7</a></li> + + + <li><a href="https://ninenines.eu/articles/gun-2.0.0-pre.1/">Gun 2.0 pre-release 1</a></li> |