Implement Syntax 0.8

Author: stasm

.gitattributes

@@ -1,2 +1,3 @@
 tests/syntax/fixtures_reference/crlf.ftl eol=crlf
+tests/syntax/fixtures_reference/cr.ftl eol=cr
 tests/syntax/fixtures_structure/crlf.ftl eol=crlf

fluent/syntax/ast.py

@@ -207,8 +207,9 @@ class Expression(SyntaxNode):
 
 
 class StringLiteral(Expression):
-    def __init__(self, value, **kwargs):
+    def __init__(self, raw, value, **kwargs):
         super(StringLiteral, self).__init__(**kwargs)
+        self.raw = raw
         self.value = value
 
 
@@ -236,6 +237,12 @@ def __init__(self, id, **kwargs):
         self.id = id
 
 
+class FunctionReference(Expression):
+    def __init__(self, id, **kwargs):
+        super(FunctionReference, self).__init__(**kwargs)
+        self.id = id
+
+
 class SelectExpression(Expression):
     def __init__(self, selector, variants, **kwargs):
         super(SelectExpression, self).__init__(**kwargs)
@@ -324,11 +331,6 @@ def __init__(self, content=None, **kwargs):
         super(ResourceComment, self).__init__(content, **kwargs)
 
 
-class Function(Identifier):
-    def __init__(self, name, **kwargs):
-        super(Function, self).__init__(name, **kwargs)
-
-
 class Junk(SyntaxNode):
     def __init__(self, content=None, annotations=None, **kwargs):
         super(Junk, self).__init__(**kwargs)

fluent/syntax/errors.py

@@ -21,12 +21,12 @@ def get_error_message(code, args):
         msg = 'Expected message "{}" to have a value or attributes'
         return msg.format(args[0])
     if code == 'E0006':
-        msg = 'Expected term "{}" to have a value'
+        msg = 'Expected term "-{}" to have a value'
         return msg.format(args[0])
     if code == 'E0007':
         return 'Keyword cannot end with a whitespace'
     if code == 'E0008':
-        return 'The callee has to be a simple, upper-case identifier'
+        return 'The callee has to be an upper-case identifier or a term'
     if code == 'E0009':
         return 'The key has to be a simple identifier'
     if code == 'E0010':
@@ -44,7 +44,7 @@ def get_error_message(code, args):
     if code == 'E0016':
         return 'Message references cannot be used as selectors'
     if code == 'E0017':
-        return 'Variants cannot be used as selectors'
+        return 'Terms cannot be used as selectors'
     if code == 'E0018':
         return 'Attributes of messages cannot be used as selectors'
     if code == 'E0019':
@@ -55,12 +55,14 @@ def get_error_message(code, args):
         return 'Positional arguments must not follow named arguments'
     if code == 'E0022':
         return 'Named arguments must be unique'
-    if code == 'E0023':
-        return 'VariantLists are only allowed inside of other VariantLists.'
     if code == 'E0024':
         return 'Cannot access variants of a message.'
     if code == 'E0025':
-        return 'Unknown escape sequence: {}'.format(args[0])
+        return 'Unknown escape sequence: \\{}.'.format(args[0])
     if code == 'E0026':
         return 'Invalid Unicode escape sequence: {}'.format(args[0])
+    if code == 'E0027':
+        return 'Unbalanced closing brace in TextElement.'
+    if code == 'E0028':
+        return 'Expected an inline expression'
     return code