josh/propane
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p_parse_inner: do not consume the follow token

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josh committed 2026-07-11 22:46:21 -04:00
1 parent 946eb4eef7
commit 2f9a29f7c5
5 files changed
+59 -4
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assets/parser.c.erb
+7 -1
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@@ -1106,7 +1106,13 @@ static size_t parse_from(<%= @grammar.prefix %>context_t * context, size_t start
(statevalues.length == 2u) &&
(last_shifted_rule_set_id == start_rule_set_id))
{
/* Successful parse via follow token. */
/* Successful parse via follow token. Rewind the input
* position so that the follow token is not consumed from
* the input stream and remains available for a subsequent
* call to <%= @grammar.prefix %>lex() or a
* <%= @grammar.prefix %>parse*() function. */
context->input_index -= token_info.length;
context->text_position = token_info.position;
<% if @grammar.tree %>
context->parse_result = state_values_stack_index(&statevalues, -1)->tree_node;
<% else %>
assets/parser.d.erb
+7 -1
View File
@@ -1171,7 +1171,13 @@ private size_t parse_from(<%= @grammar.prefix %>context_t * context, size_t star
(statevalues.length == 2u) &&
(last_shifted_rule_set_id == start_rule_set_id))
{
/* Successful parse via follow token. */
/* Successful parse via follow token. Rewind the input
* position so that the follow token is not consumed from
* the input stream and remains available for a subsequent
* call to <%= @grammar.prefix %>lex() or a
* <%= @grammar.prefix %>parse*() function. */
context.input_index -= token_info.length;
context.text_position = token_info.position;
<% if @grammar.tree %>
context.parse_result = statevalues[$-1].tree_node;
<% else %>