josh/propane
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Add support for multiple starting rules - close #38

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josh committed 2026-02-09 21:21:49 -05:00
1 parent cb426b4be1
commit 6a87bb2d56
14 files changed
+383 -37
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assets/parser.h.erb
+18 -4
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@@ -162,7 +162,7 @@ typedef struct
/** Parse result value. */
<% if @grammar.ast %>
<%= @grammar.ast_prefix %><%= @grammar.start_rule %><%= @grammar.ast_suffix %> * parse_result;
void * parse_result;
<% else %>
<%= @grammar.prefix %>value_t parse_result;
<% end %>
@@ -189,13 +189,27 @@ size_t <%= @grammar.prefix %>decode_code_point(uint8_t const * input, size_t inp
size_t <%= @grammar.prefix %>lex(<%= @grammar.prefix %>context_t * context, <%= @grammar.prefix %>token_info_t * out_token_info);
size_t <%= @grammar.prefix %>parse(<%= @grammar.prefix %>context_t * context);
<% @grammar.start_rules.each_with_index do |start_rule, i| %>
size_t <%= @grammar.prefix %>parse_<%= start_rule %>(<%= @grammar.prefix %>context_t * context);
<% end %>
<% if @grammar.ast %>
<%= @grammar.ast_prefix %><%= @grammar.start_rule %><%= @grammar.ast_suffix %> * <%= @grammar.prefix %>result(<%= @grammar.prefix %>context_t * context);
void <%= @grammar.prefix %>free_ast(<%= @grammar.ast_prefix %><%= @grammar.start_rule %><%= @grammar.ast_suffix %> * ast);
<%= @grammar.ast_prefix %><%= @grammar.start_rules[0] %><%= @grammar.ast_suffix %> * <%= @grammar.prefix %>result(<%= @grammar.prefix %>context_t * context);
<% @grammar.start_rules.each_with_index do |start_rule, i| %>
<%= @grammar.ast_prefix %><%= start_rule %><%= @grammar.ast_suffix %> * <%= @grammar.prefix %>result_<%= start_rule %>(<%= @grammar.prefix %>context_t * context);
<% end %>
<% else %>
<%= start_rule_type[1] %> <%= @grammar.prefix %>result(<%= @grammar.prefix %>context_t * context);
<% @grammar.start_rules.each_with_index do |start_rule, i| %>
<%= start_rule_type(i)[1] %> <%= @grammar.prefix %>result_<%= start_rule %>(<%= @grammar.prefix %>context_t * context);
<% end %>
<% end %>
<% if @grammar.ast %>
void <%= @grammar.prefix %>free_ast(<%= @grammar.ast_prefix %><%= @grammar.start_rules[0] %><%= @grammar.ast_suffix %> * ast);
<% @grammar.start_rules.each_with_index do |start_rule, i| %>
void <%= @grammar.prefix %>free_ast_<%= start_rule %>(<%= @grammar.ast_prefix %><%= start_rule %><%= @grammar.ast_suffix %> * ast);
<% end %>
<% end %>
<%= @grammar.prefix %>position_t <%= @grammar.prefix %>position(<%= @grammar.prefix %>context_t * context);