ruby/prism_compile.h

37 строки
1.1 KiB
C

#include "prism/prism.h"
/**
* the getlocal and setlocal instructions require two parameters. level is how
* many hops up the iseq stack one needs to go before finding the correct local
* table. The index is the index in that table where our variable is.
*
* Because these are always calculated and used together, we'll bind them
* together as a tuple.
*/
typedef struct pm_local_index_struct {
int index, level;
} pm_local_index_t;
// ScopeNodes are helper nodes, and will never be part of the AST. We manually
// declare them here to avoid generating them.
typedef struct pm_scope_node {
pm_node_t base;
struct pm_scope_node *previous;
pm_node_t *ast_node;
pm_node_t *parameters;
pm_node_t *body;
pm_constant_id_list_t locals;
pm_parser_t *parser;
// The size of the local table
// on the iseq which includes
// locals and hidden variables
int local_table_for_iseq_size;
ID *constants;
st_table *index_lookup_table;
} pm_scope_node_t;
void pm_scope_node_init(const pm_node_t *node, pm_scope_node_t *scope, pm_scope_node_t *previous, pm_parser_t *parser);
bool *rb_ruby_prism_ptr(void);