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Former-commit-id: 52966012b4b74d24ab28a0c75740aef35fb75327
This commit is contained in:
Jarred Sumner
2021-09-05 02:05:45 -07:00
parent b8941666b4
commit c20df72d73
15 changed files with 149 additions and 311 deletions
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23
src/json_parser.zig
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@@ -211,9 +211,32 @@ fn JSONLikeParser(opts: js_lexer.JSONOptions) type {
const JSONParser = JSONLikeParser(js_lexer.JSONOptions{});
const TSConfigParser = JSONLikeParser(js_lexer.JSONOptions{ .allow_comments = true, .allow_trailing_commas = true });
var empty_string = E.String{ .utf8 = "" };
var empty_object = E.Object{};
var empty_array = E.Array{ .items = &[_]ExprNodeIndex{} };
var empty_string_data = Expr.Data{ .e_string = &empty_string };
var empty_object_data = Expr.Data{ .e_object = &empty_object };
var empty_array_data = Expr.Data{ .e_array = &empty_array };
pub fn ParseJSON(source: *const logger.Source, log: *logger.Log, allocator: *std.mem.Allocator) !Expr {
var parser = try JSONParser.init(allocator, source, log);
switch (source.contents.len) {
// This is to be consisntent with how disabled JS files are handled
0 => {
return Expr{ .loc = logger.Loc{ .start = 0 }, .data = empty_object_data };
},
// This is a fast pass I guess
2 => {
if (strings.eqlComptime(source.contents[0..1], "\"\"") or strings.eqlComptime(source.contents[0..1], "''")) {
return Expr{ .loc = logger.Loc{ .start = 0 }, .data = empty_string_data };
} else if (strings.eqlComptime(source.contents[0..1], "{}")) {
return Expr{ .loc = logger.Loc{ .start = 0 }, .data = empty_object_data };
} else if (strings.eqlComptime(source.contents[0..1], "[]")) {
return Expr{ .loc = logger.Loc{ .start = 0 }, .data = empty_array_data };
}
},
else => {},
}
return parser.parseExpr();
}