Fix issue parsing vendor/stb/image with the core:odin/parser parser

Author: BradLewis

core/odin/parser/parser.odin

@@ -2307,6 +2307,7 @@ parse_operand :: proc(p: ^Parser, lhs: bool) -> ^ast.Expr {
 		open := expect_token(p, .Open_Paren)
 		p.expr_level += 1
 		expr := parse_expr(p, false)
+		skip_possible_newline(p)
 		p.expr_level -= 1
 		close := expect_token(p, .Close_Paren)
 
@@ -3526,7 +3527,9 @@ parse_binary_expr :: proc(p: ^Parser, lhs: bool, prec_in: int) -> ^ast.Expr {
 			case .When:
 				x := expr
 				cond := parse_expr(p, lhs)
+				skip_possible_newline(p)
 				else_tok := expect_token(p, .Else)
+				skip_possible_newline(p)
 				y := parse_expr(p, lhs)
 				te := ast.new(ast.Ternary_When_Expr, expr.pos, end_pos(p.prev_tok))
 				te.x    = x
@@ -3780,10 +3783,6 @@ parse_import_decl :: proc(p: ^Parser, kind := Import_Decl_Kind.Standard) -> ^ast
 		import_name.pos = p.curr_tok.pos
 	}
 
-	if !is_using && is_blank_ident(import_name) {
-		error(p, import_name.pos, "illegal import name: '_'")
-	}
-
 	path := expect_token_after(p, .String, "import")
 
 	decl := ast.new(ast.Import_Decl, tok.pos, end_pos(path))

tests/core/odin/test_parser.odin

@@ -66,3 +66,31 @@ Foo :: bit_field uint {
 	ok := parser.parse_file(&p, &file)
 	testing.expect(t, ok, "bad parse")
 }
+
+@test
+test_parse_parser :: proc(t: ^testing.T) {
+	context.allocator = context.temp_allocator
+	runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
+
+	pkg, ok := parser.parse_package_from_path(ODIN_ROOT + "core/odin/parser")
+	
+	testing.expect(t, ok, "parser.parse_package_from_path failed")
+
+	for key, value in pkg.files {
+		testing.expectf(t, value.syntax_error_count == 0, "%v should contain zero errors", key)
+	}
+}
+
+@test
+test_parse_stb_image :: proc(t: ^testing.T) {
+	context.allocator = context.temp_allocator
+	runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
+
+	pkg, ok := parser.parse_package_from_path(ODIN_ROOT + "vendor/stb/image")
+	
+	testing.expect(t, ok, "parser.parse_package_from_path failed")
+
+	for key, value in pkg.files {
+		testing.expectf(t, value.syntax_error_count == 0, "%v should contain zero errors", key)
+	}
+}