зеркало из https://github.com/github/ruby.git
100 строки
3.9 KiB
C
100 строки
3.9 KiB
C
#include "prism/prism.h"
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#include "ruby/encoding.h"
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/**
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* the getlocal and setlocal instructions require two parameters. level is how
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* many hops up the iseq stack one needs to go before finding the correct local
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* table. The index is the index in that table where our variable is.
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*
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* Because these are always calculated and used together, we'll bind them
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* together as a tuple.
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*/
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typedef struct pm_local_index_struct {
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int index, level;
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} pm_local_index_t;
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// A declaration for the struct that lives in compile.c.
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struct iseq_link_anchor;
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// ScopeNodes are helper nodes, and will never be part of the AST. We manually
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// declare them here to avoid generating them.
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typedef struct pm_scope_node {
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pm_node_t base;
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struct pm_scope_node *previous;
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pm_node_t *ast_node;
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pm_node_t *parameters;
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pm_node_t *body;
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pm_constant_id_list_t locals;
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const pm_parser_t *parser;
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rb_encoding *encoding;
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/**
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* This is a pointer to the list of script lines for the ISEQs that will be
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* associated with this scope node. It is only set if
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* RubyVM.keep_script_lines is true. If it is set, it will be set to a
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* pointer to an array that is always stack allocated (so no GC marking is
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* needed by this struct). If it is not set, it will be NULL. It is
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* inherited by all child scopes.
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*/
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VALUE *script_lines;
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/**
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* This is the encoding of the actual filepath object that will be used when
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* a __FILE__ node is compiled or when the path has to be set on a syntax
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* error.
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*/
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rb_encoding *filepath_encoding;
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// The size of the local table on the iseq which includes locals and hidden
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// variables.
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int local_table_for_iseq_size;
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ID *constants;
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st_table *index_lookup_table;
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// The current coverage setting, passed down through the various scopes.
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int coverage_enabled;
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/**
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* This will only be set on the top-level scope node. It will contain all of
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* the instructions pertaining to BEGIN{} nodes.
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*/
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struct iseq_link_anchor *pre_execution_anchor;
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} pm_scope_node_t;
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void pm_scope_node_init(const pm_node_t *node, pm_scope_node_t *scope, pm_scope_node_t *previous);
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void pm_scope_node_destroy(pm_scope_node_t *scope_node);
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typedef struct {
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/** The parser that will do the actual parsing. */
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pm_parser_t parser;
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/** The options that will be passed to the parser. */
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pm_options_t options;
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/** The input that represents the source to be parsed. */
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pm_string_t input;
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/** The resulting scope node that will hold the generated AST. */
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pm_scope_node_t node;
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/** Whether or not this parse result has performed its parsing yet. */
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bool parsed;
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} pm_parse_result_t;
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VALUE pm_load_file(pm_parse_result_t *result, VALUE filepath, bool load_error);
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VALUE pm_parse_file(pm_parse_result_t *result, VALUE filepath, VALUE *script_lines);
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VALUE pm_load_parse_file(pm_parse_result_t *result, VALUE filepath, VALUE *script_lines);
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VALUE pm_parse_string(pm_parse_result_t *result, VALUE source, VALUE filepath, VALUE *script_lines);
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VALUE pm_parse_stdin(pm_parse_result_t *result);
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void pm_parse_result_free(pm_parse_result_t *result);
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rb_iseq_t *pm_iseq_new(pm_scope_node_t *node, VALUE name, VALUE path, VALUE realpath, const rb_iseq_t *parent, enum rb_iseq_type);
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rb_iseq_t *pm_iseq_new_top(pm_scope_node_t *node, VALUE name, VALUE path, VALUE realpath, const rb_iseq_t *parent);
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rb_iseq_t *pm_iseq_new_main(pm_scope_node_t *node, VALUE path, VALUE realpath, const rb_iseq_t *parent, int opt);
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rb_iseq_t *pm_iseq_new_eval(pm_scope_node_t *node, VALUE name, VALUE path, VALUE realpath, int first_lineno, const rb_iseq_t *parent, int isolated_depth);
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rb_iseq_t *pm_iseq_new_with_opt(pm_scope_node_t *node, VALUE name, VALUE path, VALUE realpath, int first_lineno, const rb_iseq_t *parent, int isolated_depth, enum rb_iseq_type, const rb_compile_option_t*);
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VALUE pm_iseq_compile_node(rb_iseq_t *iseq, pm_scope_node_t *node);
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