From 0c96dbff3a1ae03541b6a1e3fd12b753081fae0e Mon Sep 17 00:00:00 2001
From: Jussi Pakkanen <jpakkane@gmail.com>
Date: Mon, 25 Jan 2016 21:51:41 +0200
Subject: String to int conversion. Closes #362.

---
 mesonbuild/interpreter.py                          | 5 +++++
 test cases/common/42 string formatting/meson.build | 2 ++
 test cases/failing/25 int conversion/meson.build   | 3 +++
 3 files changed, 10 insertions(+)
 create mode 100644 test cases/failing/25 int conversion/meson.build

diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index 4894ac7..0a321a2 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -2019,6 +2019,11 @@ class Interpreter():
             if method_name == 'startswith':
                 return obj.startswith(s)
             return obj.endswith(s)
+        elif method_name == 'to_int':
+            try:
+                return int(obj)
+            except Exception:
+                raise InterpreterException('String can not be converted to int: ' + obj)
         raise InterpreterException('Unknown method "%s" for a string.' % method_name)
 
     def to_native(self, arg):
diff --git a/test cases/common/42 string formatting/meson.build b/test cases/common/42 string formatting/meson.build
index 81f5268..39737f7 100644
--- a/test cases/common/42 string formatting/meson.build	
+++ b/test cases/common/42 string formatting/meson.build	
@@ -40,3 +40,5 @@ endif
 if long.endswith(prefix)
   error('Not suffix.')
 endif
+
+assert('3'.to_int() == 3, 'String int conversion does not work.')
diff --git a/test cases/failing/25 int conversion/meson.build b/test cases/failing/25 int conversion/meson.build
new file mode 100644
index 0000000..51f6c7e
--- /dev/null
+++ b/test cases/failing/25 int conversion/meson.build	
@@ -0,0 +1,3 @@
+project('int conversion', 'c')
+
+'notanumber'.to_int()
-- 
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