1 files changed, 90 insertions, 0 deletions
diff --git a/prism_compile.h b/prism_compile.h
new file mode 100644
index 0000000000..8df82c5c7c
--- /dev/null
+++ b/prism_compile.h
@@ -0,0 +1,90 @@
+#include "prism/prism.h"
+#include "ruby/encoding.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;
+
+// A declaration for the struct that lives in compile.c.
+struct iseq_link_anchor;
+
+// 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;
+
+    const pm_parser_t *parser;
+    rb_encoding *encoding;
+
+    /**
+     * This is the encoding of the actual filepath object that will be used when
+     * a __FILE__ node is compiled or when the path has to be set on a syntax
+     * error.
+     */
+    rb_encoding *filepath_encoding;
+
+    // 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;
+
+    // The current coverage setting, passed down through the various scopes.
+    int coverage_enabled;
+
+    /**
+     * This will only be set on the top-level scope node. It will contain all of
+     * the instructions pertaining to BEGIN{} nodes.
+     */
+    struct iseq_link_anchor *pre_execution_anchor;
+} pm_scope_node_t;
+
+void pm_scope_node_init(const pm_node_t *node, pm_scope_node_t *scope, pm_scope_node_t *previous);
+void pm_scope_node_destroy(pm_scope_node_t *scope_node);
+bool *rb_ruby_prism_ptr(void);
+
+typedef struct {
+    /** The parser that will do the actual parsing. */
+    pm_parser_t parser;
+
+    /** The options that will be passed to the parser. */
+    pm_options_t options;
+
+    /** The input that represents the source to be parsed. */
+    pm_string_t input;
+
+    /** The resulting scope node that will hold the generated AST. */
+    pm_scope_node_t node;
+
+    /** Whether or not this parse result has performed its parsing yet. */
+    bool parsed;
+} pm_parse_result_t;
+
+VALUE pm_load_file(pm_parse_result_t *result, VALUE filepath, bool load_error);
+VALUE pm_parse_file(pm_parse_result_t *result, VALUE filepath);
+VALUE pm_load_parse_file(pm_parse_result_t *result, VALUE filepath);
+VALUE pm_parse_string(pm_parse_result_t *result, VALUE source, VALUE filepath);
+VALUE pm_parse_stdin(pm_parse_result_t *result);
+void pm_parse_result_free(pm_parse_result_t *result);
+
+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);
+rb_iseq_t *pm_iseq_new_top(pm_scope_node_t *node, VALUE name, VALUE path, VALUE realpath, const rb_iseq_t *parent);
+rb_iseq_t *pm_iseq_new_main(pm_scope_node_t *node, VALUE path, VALUE realpath, const rb_iseq_t *parent, int opt);
+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);
+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*);
+
+VALUE pm_iseq_compile_node(rb_iseq_t *iseq, pm_scope_node_t *node);