josh/propane
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Allow user to specify AST node prefix or suffix

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Add ast_prefix and ast_suffix grammar statements.
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josh committed 2024-05-04 21:49:13 -04:00
1 parent d0f542cbd7
commit 153f9d28f8
10 files changed
+272 -53
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assets/parser.c.erb
+3 -3
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@@ -924,7 +924,7 @@ size_t <%= @grammar.prefix %>parse(<%= @grammar.prefix %>context_t * context)
{
/* Successful parse. */
<% if @grammar.ast %>
context->parse_result = (Start *)state_values_stack_index(&statevalues, -1)->ast_node;
context->parse_result = (<%= @grammar.ast_prefix %>Start<%= @grammar.ast_suffix %> *)state_values_stack_index(&statevalues, -1)->ast_node;
<% else %>
context->parse_result = state_values_stack_index(&statevalues, -1)->pvalue;
<% end %>
@@ -941,7 +941,7 @@ size_t <%= @grammar.prefix %>parse(<%= @grammar.prefix %>context_t * context)
{
/* We shifted a token, mark it consumed. */
<% if @grammar.ast %>
Token * token_ast_node = malloc(sizeof(Token));
<%= @grammar.ast_prefix %>Token<%= @grammar.ast_suffix %> * token_ast_node = malloc(sizeof(<%= @grammar.ast_prefix %>Token<%= @grammar.ast_suffix %>));
token_ast_node->token = token;
token_ast_node->pvalue = token_info.pvalue;
state_values_stack_index(&statevalues, -1)->ast_node = token_ast_node;
@@ -1029,7 +1029,7 @@ size_t <%= @grammar.prefix %>parse(<%= @grammar.prefix %>context_t * context)
* @return Parse result value.
*/
<% if @grammar.ast %>
Start * <%= @grammar.prefix %>result(<%= @grammar.prefix %>context_t * context)
<%= @grammar.ast_prefix %>Start<%= @grammar.ast_suffix %> * <%= @grammar.prefix %>result(<%= @grammar.prefix %>context_t * context)
<% else %>
<%= start_rule_type[1] %> <%= @grammar.prefix %>result(<%= @grammar.prefix %>context_t * context)
<% end %>