configuration_data: add .set_quoted() convenience method to set quoted string

Quotes in the string will be escaped C-string style with \", but
nothing else will be escaped.

3 files changed, 24 insertions, 1 deletions

diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index 9584950..316f8c4 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -187,6 +187,7 @@ class ConfigurationDataHolder(InterpreterObject):
         self.held_object = build.ConfigurationData()
         self.methods.update({'set': self.set_method,
                              'set10': self.set10_method,
+                             'set_quoted': self.set_quoted_method,
                              'has' : self.has_method,
                             })
 
@@ -211,6 +212,13 @@ class ConfigurationDataHolder(InterpreterObject):
         (name, val) = self.validate_args(args)
         self.held_object.values[name] = val
 
+    def set_quoted_method(self, args, kwargs):
+        (name, val) = self.validate_args(args)
+        if not isinstance(val, str):
+            raise InterpreterException("Second argument to set_quoted must be a string.")
+        escaped_val = '\\"'.join(val.split('"'))
+        self.held_object.values[name] = '"' + escaped_val + '"'
+
     def set10_method(self, args, kwargs):
         (name, val) = self.validate_args(args)
         if val:
diff --git a/test cases/common/16 configure file/dumpprog.c b/test cases/common/16 configure file/dumpprog.c
index e0c9868..685240c 100644
--- a/test cases/common/16 configure file/dumpprog.c
+++ b/test cases/common/16 configure file/dumpprog.c
@@ -17,6 +17,18 @@ int main(int argc, char **argv) {
         printf("String token defined wrong.\n");
         return 1;
     }
+    if(strcmp(SHOULD_BE_STRING2, "A \"B\" C") != 0) {
+        printf("String token 2 defined wrong.\n");
+        return 1;
+    }
+    if(strcmp(SHOULD_BE_STRING3, "A \"\" C") != 0) {
+        printf("String token 3 defined wrong.\n");
+        return 1;
+    }
+    if(strcmp(SHOULD_BE_STRING4, "A \" C") != 0) {
+        printf("String token 4 defined wrong.\n");
+        return 1;
+    }
     if(SHOULD_BE_ONE != 1) {
         printf("One defined incorrectly.\n");
         return 1;
diff --git a/test cases/common/16 configure file/meson.build b/test cases/common/16 configure file/meson.build
index e1bdff3..c00af40 100644
--- a/test cases/common/16 configure file/meson.build
+++ b/test cases/common/16 configure file/meson.build
@@ -34,7 +34,10 @@ test('inctest2', executable('prog2', 'prog2.c'))
 # Generate a conf file without an input file.
 
 dump = configuration_data()
-dump.set('SHOULD_BE_STRING', '"string"')
+dump.set_quoted('SHOULD_BE_STRING', 'string')
+dump.set_quoted('SHOULD_BE_STRING2', 'A "B" C')
+dump.set_quoted('SHOULD_BE_STRING3', 'A "" C')
+dump.set_quoted('SHOULD_BE_STRING4', 'A " C')
 dump.set('SHOULD_BE_RETURN', 'return')
 dump.set('SHOULD_BE_DEFINED', true)
 dump.set('SHOULD_BE_UNDEFINED', false)