Commit 55b21ce8 authored by Ian Lynagh's avatar Ian Lynagh

Latin-1-to-UTF8 pre-processor example for docs from Christian Maeder

parent f3c9971d
......@@ -62,6 +62,11 @@
ignored in comments, so ASCII code with comments in, for
example, Latin-1 will also work.
A way to have Latin-1 source files pre-processed by GHC is
described in <xref linkend="pre-processor" />.
......@@ -486,6 +486,24 @@ $ cat foo.hspp</screen>
are fed to <replaceable>cmd</replaceable> on the command
line after the three standard input and output
An example of a pre-processor is to convert your source files to the
input encoding that GHC expects, i.e. create a script
<literal></literal> containing the lines:
( echo "{-# LINE 1 \"$2\" #-}" ; iconv -f l1 -t utf-8 $2 ) > $3</screen>
<para>and pass <literal>-F -pgmF</literal> to GHC.
The <literal>-f l1</literal> option tells iconv to convert your
Latin-1 file, supplied in argument <literal>$2</literal>, while
the "-t utf-8" options tell iconv to return a UTF-8 encoded file.
The result is redirected into argument <literal>$3</literal>.
The <literal>echo "{-# LINE 1 \"$2\" #-}"</literal>
just makes sure that your error positions are reported as
in the original source file.</para>
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