From 7a33cfc1bce0a4946da166327515557b48d3a2ea Mon Sep 17 00:00:00 2001
From: Daniel Franke <franke@edf-online.de>
Date: Wed, 9 May 2018 10:11:57 +0200
Subject: regenerate-parsers.bash: Add script to automate parser generation

This depends on

- a suitable flex version in PATH (currently 3.0.4)
- a suitable version of 'sed' in PATH (e.g. GNU sed)
---
 Utilities/Scripts/regenerate-parsers.bash | 37 +++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100755 Utilities/Scripts/regenerate-parsers.bash

diff --git a/Utilities/Scripts/regenerate-parsers.bash b/Utilities/Scripts/regenerate-parsers.bash
new file mode 100755
index 0000000..6fb35c0
--- /dev/null
+++ b/Utilities/Scripts/regenerate-parsers.bash
@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+set -e
+
+forced=1
+if [[ "${1}" = "make" ]]; then
+    forced=0
+fi
+
+pushd "${BASH_SOURCE%/*}/../../Source/LexerParser" > /dev/null
+
+for parser in            \
+    CommandArgument     \
+    DependsJava         \
+    Expr                \
+    Fortran
+do
+    in_file=cm${parser}Parser.y
+    cxx_file=cm${parser}Parser.cxx
+    h_file=cm${parser}ParserTokens.h
+    prefix=cm${parser}_yy
+
+    if [[ (${in_file} -nt ${cxx_file}) || (${in_file} -nt ${h_file}) || (${forced} -gt 0) ]]; then
+        echo "Generating Parser ${parser}"
+          bison --yacc --name-prefix=${prefix} --defines=${h_file} -o${cxx_file}  ${in_file}
+          sed -i '/\/\* Else will try to reuse/ i\
+#if 0
+/^yyerrlab1:/ a\
+#endif
+' ${cxx_file}
+    else
+        echo "Skipped generating Parser ${parser}"
+    fi
+done
+
+
+popd > /dev/null
-- 
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