ast: Add dummy "support" for fstrings in the ast package

3 files changed, 14 insertions, 0 deletions

diff --git a/mesonbuild/ast/interpreter.py b/mesonbuild/ast/interpreter.py
index 99c6979..19b3a1d 100644
--- a/mesonbuild/ast/interpreter.py
+++ b/mesonbuild/ast/interpreter.py
@@ -197,6 +197,10 @@ class AstInterpreter(InterpreterBase):
     def method_call(self, node: BaseNode) -> bool:
         return True
 
+    def evaluate_fstring(self, node: mparser.FormatStringNode) -> str:
+        assert(isinstance(node, mparser.FormatStringNode))
+        return node.value
+
     def evaluate_arithmeticstatement(self, cur: ArithmeticNode) -> int:
         self.evaluate_statement(cur.left)
         self.evaluate_statement(cur.right)
diff --git a/mesonbuild/ast/printer.py b/mesonbuild/ast/printer.py
index f535c2f..f185449 100644
--- a/mesonbuild/ast/printer.py
+++ b/mesonbuild/ast/printer.py
@@ -70,6 +70,10 @@ class AstPrinter(AstVisitor):
         assert isinstance(node.value, str)
         self.append("'" + node.value + "'", node)
 
+    def visit_FormatStringNode(self, node: mparser.FormatStringNode) -> None:
+        assert isinstance(node.value, str)
+        self.append("f'" + node.value + "'", node)
+
     def visit_ContinueNode(self, node: mparser.ContinueNode) -> None:
         self.append('continue', node)
 
@@ -256,6 +260,9 @@ class AstJSONPrinter(AstVisitor):
     def visit_StringNode(self, node: mparser.StringNode) -> None:
         self.gen_ElementaryNode(node)
 
+    def visit_FormatStringNode(self, node: mparser.FormatStringNode) -> None:
+        self.gen_ElementaryNode(node)
+
     def visit_ArrayNode(self, node: mparser.ArrayNode) -> None:
         self._accept('args', node.args)
         self.setbase(node)
diff --git a/mesonbuild/ast/visitor.py b/mesonbuild/ast/visitor.py
index 0f2265c..34a76a8 100644
--- a/mesonbuild/ast/visitor.py
+++ b/mesonbuild/ast/visitor.py
@@ -36,6 +36,9 @@ class AstVisitor:
     def visit_StringNode(self, node: mparser.StringNode) -> None:
         self.visit_default_func(node)
 
+    def visit_FormatStringNode(self, node: mparser.FormatStringNode) -> None:
+        self.visit_default_func(node)
+
     def visit_ContinueNode(self, node: mparser.ContinueNode) -> None:
         self.visit_default_func(node)