[gentoo-commits] proj/libbash:master commit in: scripts/, src/core/, bashast/

["Petteri Räty" <betelgeuse@gentoo.org>]

commit:     17556b103a2817bfacb4a838f07e8d3738caed8d
Author:     Mu Qiao <qiaomuf <AT> gentoo <DOT> org>
AuthorDate: Sat Jun  4 10:20:04 2011 +0000
Commit:     Petteri Räty <betelgeuse <AT> gentoo <DOT> org>
CommitDate: Thu Jun  9 08:39:00 2011 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/libbash.git;a=commit;h=17556b10

Walker: support != in arithmetic expansion

---
 bashast/libbashWalker.g                   |    1 +
 scripts/arithmetic_assignment.bash        |    1 +
 scripts/arithmetic_assignment.bash.result |    1 +
 src/core/interpreter.h                    |    9 +++++++++
 4 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/bashast/libbashWalker.g b/bashast/libbashWalker.g
index 8263b15..e793f56 100644
--- a/bashast/libbashWalker.g
+++ b/bashast/libbashWalker.g
@@ -903,6 +903,7 @@ arithmetics returns[int value]
 	|^(GEQ l=arithmetics r=arithmetics) { $value = walker->greater_equal_than(l, r); }
 	|^(LESS_THAN l=arithmetics r=arithmetics) { $value = walker->less_than(l, r); }
 	|^(GREATER_THAN l=arithmetics r=arithmetics) { $value = walker->greater_than(l, r); }
+	|^(NOT_EQUALS l=arithmetics r=arithmetics) { $value = walker->not_equal_to(l, r); }
 	|^(LSHIFT l=arithmetics r=arithmetics) { $value = walker->left_shift(l, r); }
 	|^(RSHIFT l=arithmetics r=arithmetics) { $value = walker->right_shift(l, r); }
 	|^(PLUS l=arithmetics r=arithmetics) { $value = walker->plus(l, r); }

diff --git a/scripts/arithmetic_assignment.bash b/scripts/arithmetic_assignment.bash
index f1f40f6..c53758c 100644
--- a/scripts/arithmetic_assignment.bash
+++ b/scripts/arithmetic_assignment.bash
@@ -11,5 +11,6 @@ FOO009="$((value^=5))"
 FOO010="$((value|=10))"
 FOO011=("CREATED" 2)
 FOO012="$((${FOO011[0]}=10))"
+FOO013="$((3!=5))"
 value=100
 let "value=${value}"

diff --git a/scripts/arithmetic_assignment.bash.result b/scripts/arithmetic_assignment.bash.result
index 9f47242..d5e6ea4 100644
--- a/scripts/arithmetic_assignment.bash.result
+++ b/scripts/arithmetic_assignment.bash.result
@@ -11,4 +11,5 @@ FOO009=5
 FOO010=15
 FOO011=CREATED 2
 FOO012=10
+FOO013=1
 value=100

diff --git a/src/core/interpreter.h b/src/core/interpreter.h
index 2c138e5..39fcadf 100644
--- a/src/core/interpreter.h
+++ b/src/core/interpreter.h
@@ -267,6 +267,15 @@ public:
     return left > right;
   }
 
+  /// \brief perform not equal to
+  /// \param the first operand
+  /// \param the second operand
+  /// \return the calculated result
+  static int not_equal_to(int left, int right)
+  {
+    return left != right;
+  }
+
   /// \brief perform left shift
   /// \param the first operand
   /// \param the second operand