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| author | Graydon Hoare <graydon@mozilla.com> | 2012-07-27 19:14:46 -0700 |
|---|---|---|
| committer | Graydon Hoare <graydon@mozilla.com> | 2012-07-27 19:14:46 -0700 |
| commit | e11e90f31cedabec1e84b505bbf64103c3421574 (patch) | |
| tree | 692e73ed8b212c77a3da24cb4366a574fcb31fa0 /src/libsyntax/parse/token.rs | |
| parent | eabd233dcd208bc21ca0f8eea02d87d56e5314eb (diff) | |
| download | rust-e11e90f31cedabec1e84b505bbf64103c3421574.tar.gz rust-e11e90f31cedabec1e84b505bbf64103c3421574.zip | |
Make macro-system type and constructor names more uniform; more comments.
Diffstat (limited to 'src/libsyntax/parse/token.rs')
| -rw-r--r-- | src/libsyntax/parse/token.rs | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/src/libsyntax/parse/token.rs b/src/libsyntax/parse/token.rs index a39b74eaca3..51d5d52ebe8 100644 --- a/src/libsyntax/parse/token.rs +++ b/src/libsyntax/parse/token.rs @@ -79,7 +79,7 @@ enum token { UNDERSCORE, /* For interpolation */ - ACTUALLY(whole_nt), + INTERPOLATED(nonterminal), DOC_COMMENT(str_num), EOF, @@ -87,17 +87,17 @@ enum token { #[auto_serialize] /// For interpolation during macro expansion. -enum whole_nt { - w_item(@ast::item), - w_block(ast::blk), - w_stmt(@ast::stmt), - w_pat( @ast::pat), - w_expr(@ast::expr), - w_ty( @ast::ty), - w_ident(str_num, bool), - w_path(@ast::path), - w_tt( @ast::token_tree), //needs @ed to break a circularity - w_mtcs(~[ast::matcher]) +enum nonterminal { + nt_item(@ast::item), + nt_block(ast::blk), + nt_stmt(@ast::stmt), + nt_pat( @ast::pat), + nt_expr(@ast::expr), + nt_ty( @ast::ty), + nt_ident(str_num, bool), + nt_path(@ast::path), + nt_tt( @ast::token_tree), //needs @ed to break a circularity + nt_matchers(~[ast::matcher]) } fn binop_to_str(o: binop) -> ~str { @@ -184,14 +184,14 @@ fn to_str(in: interner<@~str>, t: token) -> ~str { /* Other */ DOC_COMMENT(s) { *interner::get(in, s) } EOF { ~"<eof>" } - ACTUALLY(w_nt) { + INTERPOLATED(nt) { ~"an interpolated " + - alt w_nt { - w_item(*) { ~"item" } w_block(*) { ~"block" } - w_stmt(*) { ~"statement" } w_pat(*) { ~"pattern" } - w_expr(*) { ~"expression" } w_ty(*) { ~"type" } - w_ident(*) { ~"identifier" } w_path(*) { ~"path" } - w_tt(*) { ~"tt" } w_mtcs(*) { ~"matcher sequence" } + alt nt { + nt_item(*) { ~"item" } nt_block(*) { ~"block" } + nt_stmt(*) { ~"statement" } nt_pat(*) { ~"pattern" } + nt_expr(*) { ~"expression" } nt_ty(*) { ~"type" } + nt_ident(*) { ~"identifier" } nt_path(*) { ~"path" } + nt_tt(*) { ~"tt" } nt_matchers(*) { ~"matcher sequence" } } } } @@ -219,8 +219,10 @@ pure fn can_begin_expr(t: token) -> bool { BINOP(OR) { true } // in lambda syntax OROR { true } // in lambda syntax MOD_SEP { true } - ACTUALLY(w_expr(*)) | ACTUALLY(w_ident(*)) | ACTUALLY(w_block(*)) - | ACTUALLY(w_path(*)) { true } + INTERPOLATED(nt_expr(*)) + | INTERPOLATED(nt_ident(*)) + | INTERPOLATED(nt_block(*)) + | INTERPOLATED(nt_path(*)) { true } _ { false } } } |
