diff options
Diffstat (limited to 'src/libsyntax/ext/base.rs')
| -rw-r--r-- | src/libsyntax/ext/base.rs | 57 |
1 files changed, 30 insertions, 27 deletions
diff --git a/src/libsyntax/ext/base.rs b/src/libsyntax/ext/base.rs index 8bf13e20fed..212cd33e16e 100644 --- a/src/libsyntax/ext/base.rs +++ b/src/libsyntax/ext/base.rs @@ -344,7 +344,7 @@ impl BlockInfo { /// The base map of methods for expanding syntax extension /// AST nodes into full ASTs -fn initial_syntax_expander_table() -> SyntaxEnv { +fn initial_syntax_expander_table(ecfg: &expand::ExpansionConfig) -> SyntaxEnv { // utility function to simplify creating NormalTT syntax extensions fn builtin_normal_expander(f: MacroExpanderFn) -> SyntaxExtension { NormalTT(box f, None) @@ -383,31 +383,33 @@ fn initial_syntax_expander_table() -> SyntaxEnv { syntax_expanders.insert(intern("deriving"), Decorator(box ext::deriving::expand_meta_deriving)); - // Quasi-quoting expanders - syntax_expanders.insert(intern("quote_tokens"), - builtin_normal_expander( - ext::quote::expand_quote_tokens)); - syntax_expanders.insert(intern("quote_expr"), - builtin_normal_expander( - ext::quote::expand_quote_expr)); - syntax_expanders.insert(intern("quote_ty"), - builtin_normal_expander( - ext::quote::expand_quote_ty)); - syntax_expanders.insert(intern("quote_method"), - builtin_normal_expander( - ext::quote::expand_quote_method)); - syntax_expanders.insert(intern("quote_item"), - builtin_normal_expander( - ext::quote::expand_quote_item)); - syntax_expanders.insert(intern("quote_pat"), - builtin_normal_expander( - ext::quote::expand_quote_pat)); - syntax_expanders.insert(intern("quote_arm"), - builtin_normal_expander( - ext::quote::expand_quote_arm)); - syntax_expanders.insert(intern("quote_stmt"), - builtin_normal_expander( - ext::quote::expand_quote_stmt)); + if ecfg.enable_quotes { + // Quasi-quoting expanders + syntax_expanders.insert(intern("quote_tokens"), + builtin_normal_expander( + ext::quote::expand_quote_tokens)); + syntax_expanders.insert(intern("quote_expr"), + builtin_normal_expander( + ext::quote::expand_quote_expr)); + syntax_expanders.insert(intern("quote_ty"), + builtin_normal_expander( + ext::quote::expand_quote_ty)); + syntax_expanders.insert(intern("quote_method"), + builtin_normal_expander( + ext::quote::expand_quote_method)); + syntax_expanders.insert(intern("quote_item"), + builtin_normal_expander( + ext::quote::expand_quote_item)); + syntax_expanders.insert(intern("quote_pat"), + builtin_normal_expander( + ext::quote::expand_quote_pat)); + syntax_expanders.insert(intern("quote_arm"), + builtin_normal_expander( + ext::quote::expand_quote_arm)); + syntax_expanders.insert(intern("quote_stmt"), + builtin_normal_expander( + ext::quote::expand_quote_stmt)); + } syntax_expanders.insert(intern("line"), builtin_normal_expander( @@ -466,6 +468,7 @@ pub struct ExtCtxt<'a> { impl<'a> ExtCtxt<'a> { pub fn new<'a>(parse_sess: &'a parse::ParseSess, cfg: ast::CrateConfig, ecfg: expand::ExpansionConfig) -> ExtCtxt<'a> { + let env = initial_syntax_expander_table(&ecfg); ExtCtxt { parse_sess: parse_sess, cfg: cfg, @@ -474,7 +477,7 @@ impl<'a> ExtCtxt<'a> { ecfg: ecfg, trace_mac: false, exported_macros: Vec::new(), - syntax_env: initial_syntax_expander_table(), + syntax_env: env, } } |