From aaabed2ef2d0e5b97ce1e25d7590cc41de6480f3 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Mon, 22 Feb 2021 17:47:17 +0800
Subject: simplify and extend import syntax.

---
 src/yuescript/yue_ast.h        | 2 +-
 src/yuescript/yue_compiler.cpp | 4 +++-
 src/yuescript/yue_parser.cpp   | 8 ++++----
 3 files changed, 8 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/yuescript/yue_ast.h b/src/yuescript/yue_ast.h
index 090765c..2d4814d 100644
--- a/src/yuescript/yue_ast.h
+++ b/src/yuescript/yue_ast.h
@@ -164,7 +164,7 @@ class normal_pair_t;
 
 AST_NODE(ImportTabLit)
 	ast_ptr<true, Seperator_t> sep;
-	ast_sel_list<false, variable_pair_t, normal_pair_t, MacroName_t, macro_name_pair_t, import_all_macro_t> items;
+	ast_sel_list<false, variable_pair_t, normal_pair_t, MacroName_t, macro_name_pair_t, import_all_macro_t, Exp_t> items;
 	AST_MEMBER(ImportTabLit, &sep, &items)
 AST_END(ImportTabLit)
 
diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index ebc2b3f..b07a998 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -58,7 +58,7 @@ inline std::string s(std::string_view sv) {
 	return std::string(sv);
 }
 
-const std::string_view version = "0.6.8"sv;
+const std::string_view version = "0.6.9"sv;
 const std::string_view extension = "yue"sv;
 
 class YueCompilerImpl {
@@ -5236,6 +5236,7 @@ private:
 						break;
 					case id<variable_pair_t>():
 					case id<normal_pair_t>():
+					case id<Exp_t>():
 						newTab->items.push_back(item);
 						break;
 					default: YUEE("AST node mismatch", item); break;
@@ -5308,6 +5309,7 @@ private:
 					}
 					case id<variable_pair_t>():
 					case id<normal_pair_t>():
+					case id<Exp_t>():
 						newTab->items.push_back(item);
 						break;
 					default: YUEE("AST node mismatch", item); break;
diff --git a/src/yuescript/yue_parser.cpp b/src/yuescript/yue_parser.cpp
index cf3da01..7cf2ebe 100644
--- a/src/yuescript/yue_parser.cpp
+++ b/src/yuescript/yue_parser.cpp
@@ -199,20 +199,20 @@ YueParser::YueParser() {
 
 	macro_name_pair = Space >> MacroName >> Space >> symx(':') >> Space >> MacroName;
 	import_all_macro = expr('$');
-	ImportTabItem = variable_pair | normal_pair | sym(':') >> MacroName | macro_name_pair | Space >> import_all_macro;
+	ImportTabItem = variable_pair | normal_pair | sym(':') >> MacroName | macro_name_pair | Space >> import_all_macro | Exp;
 	ImportTabList = ImportTabItem >> *(sym(',') >> ImportTabItem);
 	ImportTabLine = (
 		PushIndent >> (ImportTabList >> PopIndent | PopIndent)
 	) | Space;
 	import_tab_lines = SpaceBreak >> ImportTabLine >> *(-sym(',') >> SpaceBreak >> ImportTabLine) >> -sym(',');
 	ImportTabLit =
-		sym('{') >> Seperator >>
+		Seperator >> (sym('{') >>
 		-ImportTabList >>
 		-sym(',') >>
 		-import_tab_lines >>
-		White >> sym('}');
+		White >> sym('}') | KeyValue >> *(sym(',') >> KeyValue));
 
-	ImportAs = ImportLiteral >> -(key("as") >> (Space >> Variable | ImportTabLit));
+	ImportAs = ImportLiteral >> -(key("as") >> (ImportTabLit | Space >> Variable));
 
 	Import = key("import") >> (ImportAs | ImportFrom);
 
-- 
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