motiejus/zig
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remove ability to break from suspend blocks

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closes #803
This commit is contained in:
Andrew Kelley
2018-07-27 17:27:03 -04:00
parent 442e244b4d
commit 02c5bda704
5 changed files with 5 additions and 42 deletions
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25
src/parser.cpp
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@@ -648,30 +648,12 @@ static AstNode *ast_parse_asm_expr(ParseContext *pc, size_t *token_index, bool m
}
/*
SuspendExpression(body) = option(Symbol ":") "suspend" option(("|" Symbol "|" body))
SuspendExpression(body) = "suspend" option(("|" Symbol "|" body))
*/
static AstNode *ast_parse_suspend_block(ParseContext *pc, size_t *token_index, bool mandatory) {
size_t orig_token_index = *token_index;
Token *name_token = nullptr;
Token *token = &pc->tokens->at(*token_index);
if (token->id == TokenIdSymbol) {
*token_index += 1;
Token *colon_token = &pc->tokens->at(*token_index);
if (colon_token->id == TokenIdColon) {
*token_index += 1;
name_token = token;
token = &pc->tokens->at(*token_index);
} else if (mandatory) {
ast_expect_token(pc, colon_token, TokenIdColon);
zig_unreachable();
} else {
*token_index = orig_token_index;
return nullptr;
}
}
Token *suspend_token = token;
Token *suspend_token = &pc->tokens->at(*token_index);
if (suspend_token->id == TokenIdKeywordSuspend) {
*token_index += 1;
} else if (mandatory) {
@@ -693,9 +675,6 @@ static AstNode *ast_parse_suspend_block(ParseContext *pc, size_t *token_index, b
}
AstNode *node = ast_create_node(pc, NodeTypeSuspend, suspend_token);
if (name_token != nullptr) {
node->data.suspend.name = token_buf(name_token);
}
node->data.suspend.promise_symbol = ast_parse_symbol(pc, token_index);
ast_eat_token(pc, token_index, TokenIdBinOr);
node->data.suspend.block = ast_parse_block(pc, token_index, true);