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std.zig.Ast: don't set the data field on .error_value and .enum_literal

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The main_token already has the necessary information.
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Techatrix 2025-02-24 18:25:30 +01:00
parent ba74af2ae8
commit d84055f9c6
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3 changed files with 14 additions and 16 deletions
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8
lib/std/zig/Ast.zig
View file

@ -1000,7 +1000,7 @@ pub fn lastToken(tree: Ast, node: Node.Index) TokenIndex {
.grouped_expression, .asm_input => return tree.nodeData(n).node_and_token[1] + end_offset,
.multiline_string_literal => return tree.nodeData(n).token_and_token[1] + end_offset,
.asm_output => return tree.nodeData(n).opt_node_and_token[1] + end_offset,
.error_value => return tree.nodeData(n).opt_token_and_opt_token[1].unwrap().? + end_offset,
.error_value => return tree.nodeMainToken(n) + 2 + end_offset,
.anyframe_literal,
.char_literal,
@ -3713,7 +3713,7 @@ pub const Node = struct {
identifier,
/// `.foo`.
///
/// The `data` field is a `.token` to the `.`.
/// The `data` field is unused.
///
/// The `main_token` field is the identifier.
enum_literal,
@ -3930,9 +3930,7 @@ pub const Node = struct {
asm_input,
/// `error.a`.
///
/// The `data` field is a `.opt_token_and_opt_token`:
/// 1. a `OptionalTokenIndex` of `.`. Can't be `.none` unless a parsing error occured.
/// 2. a `OptionalTokenIndex` of `a`. Can't be `.none` unless a parsing error occured.
/// The `data` field is unused.
///
/// The `main_token` field is `error` token.
error_value,

4
lib/std/zig/AstGen.zig
View file

@ -1012,7 +1012,7 @@ fn expr(gz: *GenZir, scope: *Scope, ri: ResultInfo, node: Ast.Node.Index) InnerE
.ref_coerced_ty, .ptr, .inferred_ptr, .destructure => return rvalue(gz, ri, res, node),
}
} else return simpleStrTok(gz, ri, tree.nodeMainToken(node), node, .enum_literal),
.error_value => return simpleStrTok(gz, ri, tree.nodeData(node).opt_token_and_opt_token[1].unwrap().?, node, .error_value),
.error_value => return simpleStrTok(gz, ri, tree.nodeMainToken(node) + 2, node, .error_value),
// TODO restore this when implementing https://github.com/ziglang/zig/issues/6025
// .anyframe_literal => return rvalue(gz, ri, .anyframe_type, node),
.anyframe_literal => {
@ -8184,7 +8184,7 @@ fn ret(gz: *GenZir, scope: *Scope, node: Ast.Node.Index) InnerError!Zir.Inst.Ref
if (tree.nodeTag(operand_node) == .error_value) {
// Hot path for `return error.Foo`. This bypasses result location logic as well as logic
// for detecting whether to add something to the function's inferred error set.
const ident_token = tree.nodeData(operand_node).opt_token_and_opt_token[1].unwrap().?;
const ident_token = tree.nodeMainToken(operand_node) + 2;
const err_name_str_index = try astgen.identAsString(ident_token);
const defer_counts = countDefers(defer_outer, scope);
if (!defer_counts.need_err_code) {

18
lib/std/zig/Parse.zig
View file

@ -2647,11 +2647,14 @@ fn parsePrimaryTypeExpr(p: *Parse) !?Node.Index {
.keyword_for => return try p.parseFor(expectTypeExpr),
.keyword_while => return try p.parseWhileTypeExpr(),
.period => switch (p.tokenTag(p.tok_i + 1)) {
.identifier => return try p.addNode(.{
.tag = .enum_literal,
.data = .{ .token = p.nextToken() }, // dot
.main_token = p.nextToken(), // identifier
}),
.identifier => {
p.tok_i += 1;
return try p.addNode(.{
.tag = .enum_literal,
.main_token = p.nextToken(), // identifier
.data = undefined,
});
},
.l_brace => {
const lbrace = p.tok_i + 1;
p.tok_i = lbrace + 1;
@ -2772,10 +2775,7 @@ fn parsePrimaryTypeExpr(p: *Parse) !?Node.Index {
return try p.addNode(.{
.tag = .error_value,
.main_token = main_token,
.data = .{ .opt_token_and_opt_token = .{
.fromOptional(period),
.fromOptional(identifier),
} },
.data = undefined,
});
},
},