ast.h

/* :markup: markdown */
 
/*----------------------------------------------------------------------------*/
/* This file is generated by the templates/template.rb script and should not  */
/* be modified manually. See                                                  */
/* templates/include/prism/ast.h.erb                                          */
/* if you are looking to modify the                                           */
/* template                                                                   */
/*----------------------------------------------------------------------------*/

#ifndef PRISM_AST_H
#define PRISM_AST_H
 
#include "prism/defines.h"
#include "prism/util/pm_constant_pool.h"
#include "prism/util/pm_integer.h"
#include "prism/util/pm_string.h"
 
#include <assert.h>
#include <stddef.h>
#include <stdint.h>

typedef enum pm_token_type {
    PM_TOKEN_EOF = 1,

    PM_TOKEN_BRACE_RIGHT,

    PM_TOKEN_COMMA,

    PM_TOKEN_EMBEXPR_END,

    PM_TOKEN_KEYWORD_DO,

    PM_TOKEN_KEYWORD_ELSE,

    PM_TOKEN_KEYWORD_ELSIF,

    PM_TOKEN_KEYWORD_END,

    PM_TOKEN_KEYWORD_ENSURE,

    PM_TOKEN_KEYWORD_IN,

    PM_TOKEN_KEYWORD_RESCUE,

    PM_TOKEN_KEYWORD_THEN,

    PM_TOKEN_KEYWORD_WHEN,

    PM_TOKEN_NEWLINE,

    PM_TOKEN_PARENTHESIS_RIGHT,

    PM_TOKEN_PIPE,

    PM_TOKEN_SEMICOLON,

    PM_TOKEN_AMPERSAND,

    PM_TOKEN_AMPERSAND_AMPERSAND,

    PM_TOKEN_AMPERSAND_AMPERSAND_EQUAL,

    PM_TOKEN_AMPERSAND_DOT,

    PM_TOKEN_AMPERSAND_EQUAL,

    PM_TOKEN_BACKTICK,

    PM_TOKEN_BACK_REFERENCE,

    PM_TOKEN_BANG,

    PM_TOKEN_BANG_EQUAL,

    PM_TOKEN_BANG_TILDE,

    PM_TOKEN_BRACE_LEFT,

    PM_TOKEN_BRACKET_LEFT,

    PM_TOKEN_BRACKET_LEFT_ARRAY,

    PM_TOKEN_BRACKET_LEFT_RIGHT,

    PM_TOKEN_BRACKET_LEFT_RIGHT_EQUAL,

    PM_TOKEN_BRACKET_RIGHT,

    PM_TOKEN_CARET,

    PM_TOKEN_CARET_EQUAL,

    PM_TOKEN_CHARACTER_LITERAL,

    PM_TOKEN_CLASS_VARIABLE,

    PM_TOKEN_COLON,

    PM_TOKEN_COLON_COLON,

    PM_TOKEN_COMMENT,

    PM_TOKEN_CONSTANT,

    PM_TOKEN_DOT,

    PM_TOKEN_DOT_DOT,

    PM_TOKEN_DOT_DOT_DOT,

    PM_TOKEN_EMBDOC_BEGIN,

    PM_TOKEN_EMBDOC_END,

    PM_TOKEN_EMBDOC_LINE,

    PM_TOKEN_EMBEXPR_BEGIN,

    PM_TOKEN_EMBVAR,

    PM_TOKEN_EQUAL,

    PM_TOKEN_EQUAL_EQUAL,

    PM_TOKEN_EQUAL_EQUAL_EQUAL,

    PM_TOKEN_EQUAL_GREATER,

    PM_TOKEN_EQUAL_TILDE,

    PM_TOKEN_FLOAT,

    PM_TOKEN_FLOAT_IMAGINARY,

    PM_TOKEN_FLOAT_RATIONAL,

    PM_TOKEN_FLOAT_RATIONAL_IMAGINARY,

    PM_TOKEN_GLOBAL_VARIABLE,

    PM_TOKEN_GREATER,

    PM_TOKEN_GREATER_EQUAL,

    PM_TOKEN_GREATER_GREATER,

    PM_TOKEN_GREATER_GREATER_EQUAL,

    PM_TOKEN_HEREDOC_END,

    PM_TOKEN_HEREDOC_START,

    PM_TOKEN_IDENTIFIER,

    PM_TOKEN_IGNORED_NEWLINE,

    PM_TOKEN_INSTANCE_VARIABLE,

    PM_TOKEN_INTEGER,

    PM_TOKEN_INTEGER_IMAGINARY,

    PM_TOKEN_INTEGER_RATIONAL,

    PM_TOKEN_INTEGER_RATIONAL_IMAGINARY,

    PM_TOKEN_KEYWORD_ALIAS,

    PM_TOKEN_KEYWORD_AND,

    PM_TOKEN_KEYWORD_BEGIN,

    PM_TOKEN_KEYWORD_BEGIN_UPCASE,

    PM_TOKEN_KEYWORD_BREAK,

    PM_TOKEN_KEYWORD_CASE,

    PM_TOKEN_KEYWORD_CLASS,

    PM_TOKEN_KEYWORD_DEF,

    PM_TOKEN_KEYWORD_DEFINED,

    PM_TOKEN_KEYWORD_DO_LOOP,

    PM_TOKEN_KEYWORD_END_UPCASE,

    PM_TOKEN_KEYWORD_FALSE,

    PM_TOKEN_KEYWORD_FOR,

    PM_TOKEN_KEYWORD_IF,

    PM_TOKEN_KEYWORD_IF_MODIFIER,

    PM_TOKEN_KEYWORD_MODULE,

    PM_TOKEN_KEYWORD_NEXT,

    PM_TOKEN_KEYWORD_NIL,

    PM_TOKEN_KEYWORD_NOT,

    PM_TOKEN_KEYWORD_OR,

    PM_TOKEN_KEYWORD_REDO,

    PM_TOKEN_KEYWORD_RESCUE_MODIFIER,

    PM_TOKEN_KEYWORD_RETRY,

    PM_TOKEN_KEYWORD_RETURN,

    PM_TOKEN_KEYWORD_SELF,

    PM_TOKEN_KEYWORD_SUPER,

    PM_TOKEN_KEYWORD_TRUE,

    PM_TOKEN_KEYWORD_UNDEF,

    PM_TOKEN_KEYWORD_UNLESS,

    PM_TOKEN_KEYWORD_UNLESS_MODIFIER,

    PM_TOKEN_KEYWORD_UNTIL,

    PM_TOKEN_KEYWORD_UNTIL_MODIFIER,

    PM_TOKEN_KEYWORD_WHILE,

    PM_TOKEN_KEYWORD_WHILE_MODIFIER,

    PM_TOKEN_KEYWORD_YIELD,

    PM_TOKEN_KEYWORD___ENCODING__,

    PM_TOKEN_KEYWORD___FILE__,

    PM_TOKEN_KEYWORD___LINE__,

    PM_TOKEN_LABEL,

    PM_TOKEN_LABEL_END,

    PM_TOKEN_LAMBDA_BEGIN,

    PM_TOKEN_LESS,

    PM_TOKEN_LESS_EQUAL,

    PM_TOKEN_LESS_EQUAL_GREATER,

    PM_TOKEN_LESS_LESS,

    PM_TOKEN_LESS_LESS_EQUAL,

    PM_TOKEN_METHOD_NAME,

    PM_TOKEN_MINUS,

    PM_TOKEN_MINUS_EQUAL,

    PM_TOKEN_MINUS_GREATER,

    PM_TOKEN_NUMBERED_REFERENCE,

    PM_TOKEN_PARENTHESIS_LEFT,

    PM_TOKEN_PARENTHESIS_LEFT_PARENTHESES,

    PM_TOKEN_PERCENT,

    PM_TOKEN_PERCENT_EQUAL,

    PM_TOKEN_PERCENT_LOWER_I,

    PM_TOKEN_PERCENT_LOWER_W,

    PM_TOKEN_PERCENT_LOWER_X,

    PM_TOKEN_PERCENT_UPPER_I,

    PM_TOKEN_PERCENT_UPPER_W,

    PM_TOKEN_PIPE_EQUAL,

    PM_TOKEN_PIPE_PIPE,

    PM_TOKEN_PIPE_PIPE_EQUAL,

    PM_TOKEN_PLUS,

    PM_TOKEN_PLUS_EQUAL,

    PM_TOKEN_QUESTION_MARK,

    PM_TOKEN_REGEXP_BEGIN,

    PM_TOKEN_REGEXP_END,

    PM_TOKEN_SLASH,

    PM_TOKEN_SLASH_EQUAL,

    PM_TOKEN_STAR,

    PM_TOKEN_STAR_EQUAL,

    PM_TOKEN_STAR_STAR,

    PM_TOKEN_STAR_STAR_EQUAL,

    PM_TOKEN_STRING_BEGIN,

    PM_TOKEN_STRING_CONTENT,

    PM_TOKEN_STRING_END,

    PM_TOKEN_SYMBOL_BEGIN,

    PM_TOKEN_TILDE,

    PM_TOKEN_UAMPERSAND,

    PM_TOKEN_UCOLON_COLON,

    PM_TOKEN_UDOT_DOT,

    PM_TOKEN_UDOT_DOT_DOT,

    PM_TOKEN_UMINUS,

    PM_TOKEN_UMINUS_NUM,

    PM_TOKEN_UPLUS,

    PM_TOKEN_USTAR,

    PM_TOKEN_USTAR_STAR,

    PM_TOKEN_WORDS_SEP,

    PM_TOKEN___END__,

    PM_TOKEN_MISSING,

    PM_TOKEN_NOT_PROVIDED,

    PM_TOKEN_MAXIMUM,
} pm_token_type_t;

typedef struct {
    pm_token_type_t type;

    const uint8_t *start;

    const uint8_t *end;
} pm_token_t;

typedef struct {
    const uint8_t *start;

    const uint8_t *end;
} pm_location_t;
 
struct pm_node;

typedef struct pm_node_list {
    size_t size;

    size_t capacity;

    struct pm_node **nodes;
} pm_node_list_t;

enum pm_node_type {
    PM_ALIAS_GLOBAL_VARIABLE_NODE = 1,

    PM_ALIAS_METHOD_NODE = 2,

    PM_ALTERNATION_PATTERN_NODE = 3,

    PM_AND_NODE = 4,

    PM_ARGUMENTS_NODE = 5,

    PM_ARRAY_NODE = 6,

    PM_ARRAY_PATTERN_NODE = 7,

    PM_ASSOC_NODE = 8,

    PM_ASSOC_SPLAT_NODE = 9,

    PM_BACK_REFERENCE_READ_NODE = 10,

    PM_BEGIN_NODE = 11,

    PM_BLOCK_ARGUMENT_NODE = 12,

    PM_BLOCK_LOCAL_VARIABLE_NODE = 13,

    PM_BLOCK_NODE = 14,

    PM_BLOCK_PARAMETER_NODE = 15,

    PM_BLOCK_PARAMETERS_NODE = 16,

    PM_BREAK_NODE = 17,

    PM_CALL_AND_WRITE_NODE = 18,

    PM_CALL_NODE = 19,

    PM_CALL_OPERATOR_WRITE_NODE = 20,

    PM_CALL_OR_WRITE_NODE = 21,

    PM_CALL_TARGET_NODE = 22,

    PM_CAPTURE_PATTERN_NODE = 23,

    PM_CASE_MATCH_NODE = 24,

    PM_CASE_NODE = 25,

    PM_CLASS_NODE = 26,

    PM_CLASS_VARIABLE_AND_WRITE_NODE = 27,

    PM_CLASS_VARIABLE_OPERATOR_WRITE_NODE = 28,

    PM_CLASS_VARIABLE_OR_WRITE_NODE = 29,

    PM_CLASS_VARIABLE_READ_NODE = 30,

    PM_CLASS_VARIABLE_TARGET_NODE = 31,

    PM_CLASS_VARIABLE_WRITE_NODE = 32,

    PM_CONSTANT_AND_WRITE_NODE = 33,

    PM_CONSTANT_OPERATOR_WRITE_NODE = 34,

    PM_CONSTANT_OR_WRITE_NODE = 35,

    PM_CONSTANT_PATH_AND_WRITE_NODE = 36,

    PM_CONSTANT_PATH_NODE = 37,

    PM_CONSTANT_PATH_OPERATOR_WRITE_NODE = 38,

    PM_CONSTANT_PATH_OR_WRITE_NODE = 39,

    PM_CONSTANT_PATH_TARGET_NODE = 40,

    PM_CONSTANT_PATH_WRITE_NODE = 41,

    PM_CONSTANT_READ_NODE = 42,

    PM_CONSTANT_TARGET_NODE = 43,

    PM_CONSTANT_WRITE_NODE = 44,

    PM_DEF_NODE = 45,

    PM_DEFINED_NODE = 46,

    PM_ELSE_NODE = 47,

    PM_EMBEDDED_STATEMENTS_NODE = 48,

    PM_EMBEDDED_VARIABLE_NODE = 49,

    PM_ENSURE_NODE = 50,

    PM_FALSE_NODE = 51,

    PM_FIND_PATTERN_NODE = 52,

    PM_FLIP_FLOP_NODE = 53,

    PM_FLOAT_NODE = 54,

    PM_FOR_NODE = 55,

    PM_FORWARDING_ARGUMENTS_NODE = 56,

    PM_FORWARDING_PARAMETER_NODE = 57,

    PM_FORWARDING_SUPER_NODE = 58,

    PM_GLOBAL_VARIABLE_AND_WRITE_NODE = 59,

    PM_GLOBAL_VARIABLE_OPERATOR_WRITE_NODE = 60,

    PM_GLOBAL_VARIABLE_OR_WRITE_NODE = 61,

    PM_GLOBAL_VARIABLE_READ_NODE = 62,

    PM_GLOBAL_VARIABLE_TARGET_NODE = 63,

    PM_GLOBAL_VARIABLE_WRITE_NODE = 64,

    PM_HASH_NODE = 65,

    PM_HASH_PATTERN_NODE = 66,

    PM_IF_NODE = 67,

    PM_IMAGINARY_NODE = 68,

    PM_IMPLICIT_NODE = 69,

    PM_IMPLICIT_REST_NODE = 70,

    PM_IN_NODE = 71,

    PM_INDEX_AND_WRITE_NODE = 72,

    PM_INDEX_OPERATOR_WRITE_NODE = 73,

    PM_INDEX_OR_WRITE_NODE = 74,

    PM_INDEX_TARGET_NODE = 75,

    PM_INSTANCE_VARIABLE_AND_WRITE_NODE = 76,

    PM_INSTANCE_VARIABLE_OPERATOR_WRITE_NODE = 77,

    PM_INSTANCE_VARIABLE_OR_WRITE_NODE = 78,

    PM_INSTANCE_VARIABLE_READ_NODE = 79,

    PM_INSTANCE_VARIABLE_TARGET_NODE = 80,

    PM_INSTANCE_VARIABLE_WRITE_NODE = 81,

    PM_INTEGER_NODE = 82,

    PM_INTERPOLATED_MATCH_LAST_LINE_NODE = 83,

    PM_INTERPOLATED_REGULAR_EXPRESSION_NODE = 84,

    PM_INTERPOLATED_STRING_NODE = 85,

    PM_INTERPOLATED_SYMBOL_NODE = 86,

    PM_INTERPOLATED_X_STRING_NODE = 87,

    PM_IT_LOCAL_VARIABLE_READ_NODE = 88,

    PM_IT_PARAMETERS_NODE = 89,

    PM_KEYWORD_HASH_NODE = 90,

    PM_KEYWORD_REST_PARAMETER_NODE = 91,

    PM_LAMBDA_NODE = 92,

    PM_LOCAL_VARIABLE_AND_WRITE_NODE = 93,

    PM_LOCAL_VARIABLE_OPERATOR_WRITE_NODE = 94,

    PM_LOCAL_VARIABLE_OR_WRITE_NODE = 95,

    PM_LOCAL_VARIABLE_READ_NODE = 96,

    PM_LOCAL_VARIABLE_TARGET_NODE = 97,

    PM_LOCAL_VARIABLE_WRITE_NODE = 98,

    PM_MATCH_LAST_LINE_NODE = 99,

    PM_MATCH_PREDICATE_NODE = 100,

    PM_MATCH_REQUIRED_NODE = 101,

    PM_MATCH_WRITE_NODE = 102,

    PM_MISSING_NODE = 103,

    PM_MODULE_NODE = 104,

    PM_MULTI_TARGET_NODE = 105,

    PM_MULTI_WRITE_NODE = 106,

    PM_NEXT_NODE = 107,

    PM_NIL_NODE = 108,

    PM_NO_KEYWORDS_PARAMETER_NODE = 109,

    PM_NUMBERED_PARAMETERS_NODE = 110,

    PM_NUMBERED_REFERENCE_READ_NODE = 111,

    PM_OPTIONAL_KEYWORD_PARAMETER_NODE = 112,

    PM_OPTIONAL_PARAMETER_NODE = 113,

    PM_OR_NODE = 114,

    PM_PARAMETERS_NODE = 115,

    PM_PARENTHESES_NODE = 116,

    PM_PINNED_EXPRESSION_NODE = 117,

    PM_PINNED_VARIABLE_NODE = 118,

    PM_POST_EXECUTION_NODE = 119,

    PM_PRE_EXECUTION_NODE = 120,

    PM_PROGRAM_NODE = 121,

    PM_RANGE_NODE = 122,

    PM_RATIONAL_NODE = 123,

    PM_REDO_NODE = 124,

    PM_REGULAR_EXPRESSION_NODE = 125,

    PM_REQUIRED_KEYWORD_PARAMETER_NODE = 126,

    PM_REQUIRED_PARAMETER_NODE = 127,

    PM_RESCUE_MODIFIER_NODE = 128,

    PM_RESCUE_NODE = 129,

    PM_REST_PARAMETER_NODE = 130,

    PM_RETRY_NODE = 131,

    PM_RETURN_NODE = 132,

    PM_SELF_NODE = 133,

    PM_SHAREABLE_CONSTANT_NODE = 134,

    PM_SINGLETON_CLASS_NODE = 135,

    PM_SOURCE_ENCODING_NODE = 136,

    PM_SOURCE_FILE_NODE = 137,

    PM_SOURCE_LINE_NODE = 138,

    PM_SPLAT_NODE = 139,

    PM_STATEMENTS_NODE = 140,

    PM_STRING_NODE = 141,

    PM_SUPER_NODE = 142,

    PM_SYMBOL_NODE = 143,

    PM_TRUE_NODE = 144,

    PM_UNDEF_NODE = 145,

    PM_UNLESS_NODE = 146,

    PM_UNTIL_NODE = 147,

    PM_WHEN_NODE = 148,

    PM_WHILE_NODE = 149,

    PM_X_STRING_NODE = 150,

    PM_YIELD_NODE = 151,

    PM_SCOPE_NODE
};

typedef uint16_t pm_node_type_t;

typedef uint16_t pm_node_flags_t;

static const pm_node_flags_t PM_NODE_FLAG_NEWLINE = 0x1;
static const pm_node_flags_t PM_NODE_FLAG_STATIC_LITERAL = 0x2;

typedef struct pm_node {
    pm_node_type_t type;

    pm_node_flags_t flags;

    uint32_t node_id;

    pm_location_t location;
} pm_node_t;

#define PM_NODE_UPCAST(node_) ((pm_node_t *) (node_))

#define PM_NODE_TYPE(node_) ((enum pm_node_type) (node_)->type)

#define PM_NODE_TYPE_P(node_, type_) (PM_NODE_TYPE(node_) == (type_))

#define PM_NODE_FLAGS(node_) (PM_NODE_UPCAST(node_)->flags)

#define PM_NODE_FLAG_P(node_, flag_) ((PM_NODE_FLAGS(node_) & (flag_)) != 0)

typedef struct pm_alias_global_variable_node {
    pm_node_t base;
 

    struct pm_node *new_name;

    struct pm_node *old_name;

    pm_location_t keyword_loc;
} pm_alias_global_variable_node_t;

typedef struct pm_alias_method_node {
    pm_node_t base;
 

    struct pm_node *new_name;

    struct pm_node *old_name;

    pm_location_t keyword_loc;
} pm_alias_method_node_t;

typedef struct pm_alternation_pattern_node {
    pm_node_t base;
 

    struct pm_node *left;

    struct pm_node *right;

    pm_location_t operator_loc;
} pm_alternation_pattern_node_t;

typedef struct pm_and_node {
    pm_node_t base;
 

    struct pm_node *left;

    struct pm_node *right;

    pm_location_t operator_loc;
} pm_and_node_t;

typedef struct pm_arguments_node {
    pm_node_t base;
 

    struct pm_node_list arguments;
} pm_arguments_node_t;

typedef struct pm_array_node {
    pm_node_t base;
 

    struct pm_node_list elements;

    pm_location_t opening_loc;

    pm_location_t closing_loc;
} pm_array_node_t;

typedef struct pm_array_pattern_node {
    pm_node_t base;
 

    struct pm_node *constant;

    struct pm_node_list requireds;

    struct pm_node *rest;

    struct pm_node_list posts;

    pm_location_t opening_loc;

    pm_location_t closing_loc;
} pm_array_pattern_node_t;

typedef struct pm_assoc_node {
    pm_node_t base;
 

    struct pm_node *key;

    struct pm_node *value;

    pm_location_t operator_loc;
} pm_assoc_node_t;

typedef struct pm_assoc_splat_node {
    pm_node_t base;
 

    struct pm_node *value;

    pm_location_t operator_loc;
} pm_assoc_splat_node_t;

typedef struct pm_back_reference_read_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_back_reference_read_node_t;

typedef struct pm_begin_node {
    pm_node_t base;
 

    pm_location_t begin_keyword_loc;

    struct pm_statements_node *statements;

    struct pm_rescue_node *rescue_clause;

    struct pm_else_node *else_clause;

    struct pm_ensure_node *ensure_clause;

    pm_location_t end_keyword_loc;
} pm_begin_node_t;

typedef struct pm_block_argument_node {
    pm_node_t base;
 

    struct pm_node *expression;

    pm_location_t operator_loc;
} pm_block_argument_node_t;

typedef struct pm_block_local_variable_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_block_local_variable_node_t;

typedef struct pm_block_node {
    pm_node_t base;
 

    pm_constant_id_list_t locals;

    struct pm_node *parameters;

    struct pm_node *body;

    pm_location_t opening_loc;

    pm_location_t closing_loc;
} pm_block_node_t;

typedef struct pm_block_parameter_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;
} pm_block_parameter_node_t;

typedef struct pm_block_parameters_node {
    pm_node_t base;
 

    struct pm_parameters_node *parameters;

    struct pm_node_list locals;

    pm_location_t opening_loc;

    pm_location_t closing_loc;
} pm_block_parameters_node_t;

typedef struct pm_break_node {
    pm_node_t base;
 

    struct pm_arguments_node *arguments;

    pm_location_t keyword_loc;
} pm_break_node_t;

typedef struct pm_call_and_write_node {
    pm_node_t base;
 

    struct pm_node *receiver;

    pm_location_t call_operator_loc;

    pm_location_t message_loc;

    pm_constant_id_t read_name;

    pm_constant_id_t write_name;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_call_and_write_node_t;

typedef struct pm_call_node {
    pm_node_t base;
 

    struct pm_node *receiver;

    pm_location_t call_operator_loc;

    pm_constant_id_t name;

    pm_location_t message_loc;

    pm_location_t opening_loc;

    struct pm_arguments_node *arguments;

    pm_location_t closing_loc;

    pm_location_t equal_loc;

    struct pm_node *block;
} pm_call_node_t;

typedef struct pm_call_operator_write_node {
    pm_node_t base;
 

    struct pm_node *receiver;

    pm_location_t call_operator_loc;

    pm_location_t message_loc;

    pm_constant_id_t read_name;

    pm_constant_id_t write_name;

    pm_constant_id_t binary_operator;

    pm_location_t binary_operator_loc;

    struct pm_node *value;
} pm_call_operator_write_node_t;

typedef struct pm_call_or_write_node {
    pm_node_t base;
 

    struct pm_node *receiver;

    pm_location_t call_operator_loc;

    pm_location_t message_loc;

    pm_constant_id_t read_name;

    pm_constant_id_t write_name;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_call_or_write_node_t;

typedef struct pm_call_target_node {
    pm_node_t base;
 

    struct pm_node *receiver;

    pm_location_t call_operator_loc;

    pm_constant_id_t name;

    pm_location_t message_loc;
} pm_call_target_node_t;

typedef struct pm_capture_pattern_node {
    pm_node_t base;
 

    struct pm_node *value;

    struct pm_local_variable_target_node *target;

    pm_location_t operator_loc;
} pm_capture_pattern_node_t;

typedef struct pm_case_match_node {
    pm_node_t base;
 

    struct pm_node *predicate;

    struct pm_node_list conditions;

    struct pm_else_node *else_clause;

    pm_location_t case_keyword_loc;

    pm_location_t end_keyword_loc;
} pm_case_match_node_t;

typedef struct pm_case_node {
    pm_node_t base;
 

    struct pm_node *predicate;

    struct pm_node_list conditions;

    struct pm_else_node *else_clause;

    pm_location_t case_keyword_loc;

    pm_location_t end_keyword_loc;
} pm_case_node_t;

typedef struct pm_class_node {
    pm_node_t base;
 

    pm_constant_id_list_t locals;

    pm_location_t class_keyword_loc;

    struct pm_node *constant_path;

    pm_location_t inheritance_operator_loc;

    struct pm_node *superclass;

    struct pm_node *body;

    pm_location_t end_keyword_loc;

    pm_constant_id_t name;
} pm_class_node_t;

typedef struct pm_class_variable_and_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_class_variable_and_write_node_t;

typedef struct pm_class_variable_operator_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t binary_operator_loc;

    struct pm_node *value;

    pm_constant_id_t binary_operator;
} pm_class_variable_operator_write_node_t;

typedef struct pm_class_variable_or_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_class_variable_or_write_node_t;

typedef struct pm_class_variable_read_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_class_variable_read_node_t;

typedef struct pm_class_variable_target_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_class_variable_target_node_t;

typedef struct pm_class_variable_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    struct pm_node *value;

    pm_location_t operator_loc;
} pm_class_variable_write_node_t;

typedef struct pm_constant_and_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_constant_and_write_node_t;

typedef struct pm_constant_operator_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t binary_operator_loc;

    struct pm_node *value;

    pm_constant_id_t binary_operator;
} pm_constant_operator_write_node_t;

typedef struct pm_constant_or_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_constant_or_write_node_t;

typedef struct pm_constant_path_and_write_node {
    pm_node_t base;
 

    struct pm_constant_path_node *target;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_constant_path_and_write_node_t;

typedef struct pm_constant_path_node {
    pm_node_t base;
 

    struct pm_node *parent;

    pm_constant_id_t name;

    pm_location_t delimiter_loc;

    pm_location_t name_loc;
} pm_constant_path_node_t;

typedef struct pm_constant_path_operator_write_node {
    pm_node_t base;
 

    struct pm_constant_path_node *target;

    pm_location_t binary_operator_loc;

    struct pm_node *value;

    pm_constant_id_t binary_operator;
} pm_constant_path_operator_write_node_t;

typedef struct pm_constant_path_or_write_node {
    pm_node_t base;
 

    struct pm_constant_path_node *target;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_constant_path_or_write_node_t;

typedef struct pm_constant_path_target_node {
    pm_node_t base;
 

    struct pm_node *parent;

    pm_constant_id_t name;

    pm_location_t delimiter_loc;

    pm_location_t name_loc;
} pm_constant_path_target_node_t;

typedef struct pm_constant_path_write_node {
    pm_node_t base;
 

    struct pm_constant_path_node *target;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_constant_path_write_node_t;

typedef struct pm_constant_read_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_constant_read_node_t;

typedef struct pm_constant_target_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_constant_target_node_t;

typedef struct pm_constant_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    struct pm_node *value;

    pm_location_t operator_loc;
} pm_constant_write_node_t;

typedef struct pm_def_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    struct pm_node *receiver;

    struct pm_parameters_node *parameters;

    struct pm_node *body;

    pm_constant_id_list_t locals;

    pm_location_t def_keyword_loc;

    pm_location_t operator_loc;

    pm_location_t lparen_loc;

    pm_location_t rparen_loc;

    pm_location_t equal_loc;

    pm_location_t end_keyword_loc;
} pm_def_node_t;

typedef struct pm_defined_node {
    pm_node_t base;
 

    pm_location_t lparen_loc;

    struct pm_node *value;

    pm_location_t rparen_loc;

    pm_location_t keyword_loc;
} pm_defined_node_t;

typedef struct pm_else_node {
    pm_node_t base;
 

    pm_location_t else_keyword_loc;

    struct pm_statements_node *statements;

    pm_location_t end_keyword_loc;
} pm_else_node_t;

typedef struct pm_embedded_statements_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    struct pm_statements_node *statements;

    pm_location_t closing_loc;
} pm_embedded_statements_node_t;

typedef struct pm_embedded_variable_node {
    pm_node_t base;
 

    pm_location_t operator_loc;

    struct pm_node *variable;
} pm_embedded_variable_node_t;

typedef struct pm_ensure_node {
    pm_node_t base;
 

    pm_location_t ensure_keyword_loc;

    struct pm_statements_node *statements;

    pm_location_t end_keyword_loc;
} pm_ensure_node_t;

typedef struct pm_false_node {
    pm_node_t base;
 
} pm_false_node_t;

typedef struct pm_find_pattern_node {
    pm_node_t base;
 

    struct pm_node *constant;

    struct pm_splat_node *left;

    struct pm_node_list requireds;

    struct pm_node *right;

    pm_location_t opening_loc;

    pm_location_t closing_loc;
} pm_find_pattern_node_t;

typedef struct pm_flip_flop_node {
    pm_node_t base;
 

    struct pm_node *left;

    struct pm_node *right;

    pm_location_t operator_loc;
} pm_flip_flop_node_t;

typedef struct pm_float_node {
    pm_node_t base;
 

    double value;
} pm_float_node_t;

typedef struct pm_for_node {
    pm_node_t base;
 

    struct pm_node *index;

    struct pm_node *collection;

    struct pm_statements_node *statements;

    pm_location_t for_keyword_loc;

    pm_location_t in_keyword_loc;

    pm_location_t do_keyword_loc;

    pm_location_t end_keyword_loc;
} pm_for_node_t;

typedef struct pm_forwarding_arguments_node {
    pm_node_t base;
 
} pm_forwarding_arguments_node_t;

typedef struct pm_forwarding_parameter_node {
    pm_node_t base;
 
} pm_forwarding_parameter_node_t;

typedef struct pm_forwarding_super_node {
    pm_node_t base;
 

    struct pm_block_node *block;
} pm_forwarding_super_node_t;

typedef struct pm_global_variable_and_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_global_variable_and_write_node_t;

typedef struct pm_global_variable_operator_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t binary_operator_loc;

    struct pm_node *value;

    pm_constant_id_t binary_operator;
} pm_global_variable_operator_write_node_t;

typedef struct pm_global_variable_or_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_global_variable_or_write_node_t;

typedef struct pm_global_variable_read_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_global_variable_read_node_t;

typedef struct pm_global_variable_target_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_global_variable_target_node_t;

typedef struct pm_global_variable_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    struct pm_node *value;

    pm_location_t operator_loc;
} pm_global_variable_write_node_t;

typedef struct pm_hash_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    struct pm_node_list elements;

    pm_location_t closing_loc;
} pm_hash_node_t;

typedef struct pm_hash_pattern_node {
    pm_node_t base;
 

    struct pm_node *constant;

    struct pm_node_list elements;

    struct pm_node *rest;

    pm_location_t opening_loc;

    pm_location_t closing_loc;
} pm_hash_pattern_node_t;

typedef struct pm_if_node {
    pm_node_t base;
 

    pm_location_t if_keyword_loc;

    struct pm_node *predicate;

    pm_location_t then_keyword_loc;

    struct pm_statements_node *statements;

    struct pm_node *subsequent;

    pm_location_t end_keyword_loc;
} pm_if_node_t;

typedef struct pm_imaginary_node {
    pm_node_t base;
 

    struct pm_node *numeric;
} pm_imaginary_node_t;

typedef struct pm_implicit_node {
    pm_node_t base;
 

    struct pm_node *value;
} pm_implicit_node_t;

typedef struct pm_implicit_rest_node {
    pm_node_t base;
 
} pm_implicit_rest_node_t;

typedef struct pm_in_node {
    pm_node_t base;
 

    struct pm_node *pattern;

    struct pm_statements_node *statements;

    pm_location_t in_loc;

    pm_location_t then_loc;
} pm_in_node_t;

typedef struct pm_index_and_write_node {
    pm_node_t base;
 

    struct pm_node *receiver;

    pm_location_t call_operator_loc;

    pm_location_t opening_loc;

    struct pm_arguments_node *arguments;

    pm_location_t closing_loc;

    struct pm_block_argument_node *block;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_index_and_write_node_t;

typedef struct pm_index_operator_write_node {
    pm_node_t base;
 

    struct pm_node *receiver;

    pm_location_t call_operator_loc;

    pm_location_t opening_loc;

    struct pm_arguments_node *arguments;

    pm_location_t closing_loc;

    struct pm_block_argument_node *block;

    pm_constant_id_t binary_operator;

    pm_location_t binary_operator_loc;

    struct pm_node *value;
} pm_index_operator_write_node_t;

typedef struct pm_index_or_write_node {
    pm_node_t base;
 

    struct pm_node *receiver;

    pm_location_t call_operator_loc;

    pm_location_t opening_loc;

    struct pm_arguments_node *arguments;

    pm_location_t closing_loc;

    struct pm_block_argument_node *block;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_index_or_write_node_t;

typedef struct pm_index_target_node {
    pm_node_t base;
 

    struct pm_node *receiver;

    pm_location_t opening_loc;

    struct pm_arguments_node *arguments;

    pm_location_t closing_loc;

    struct pm_block_argument_node *block;
} pm_index_target_node_t;

typedef struct pm_instance_variable_and_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_instance_variable_and_write_node_t;

typedef struct pm_instance_variable_operator_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t binary_operator_loc;

    struct pm_node *value;

    pm_constant_id_t binary_operator;
} pm_instance_variable_operator_write_node_t;

typedef struct pm_instance_variable_or_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_instance_variable_or_write_node_t;

typedef struct pm_instance_variable_read_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_instance_variable_read_node_t;

typedef struct pm_instance_variable_target_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_instance_variable_target_node_t;

typedef struct pm_instance_variable_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    struct pm_node *value;

    pm_location_t operator_loc;
} pm_instance_variable_write_node_t;

typedef struct pm_integer_node {
    pm_node_t base;
 

    pm_integer_t value;
} pm_integer_node_t;

typedef struct pm_interpolated_match_last_line_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    struct pm_node_list parts;

    pm_location_t closing_loc;
} pm_interpolated_match_last_line_node_t;

typedef struct pm_interpolated_regular_expression_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    struct pm_node_list parts;

    pm_location_t closing_loc;
} pm_interpolated_regular_expression_node_t;

typedef struct pm_interpolated_string_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    struct pm_node_list parts;

    pm_location_t closing_loc;
} pm_interpolated_string_node_t;

typedef struct pm_interpolated_symbol_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    struct pm_node_list parts;

    pm_location_t closing_loc;
} pm_interpolated_symbol_node_t;

typedef struct pm_interpolated_x_string_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    struct pm_node_list parts;

    pm_location_t closing_loc;
} pm_interpolated_x_string_node_t;

typedef struct pm_it_local_variable_read_node {
    pm_node_t base;
 
} pm_it_local_variable_read_node_t;

typedef struct pm_it_parameters_node {
    pm_node_t base;
 
} pm_it_parameters_node_t;

typedef struct pm_keyword_hash_node {
    pm_node_t base;
 

    struct pm_node_list elements;
} pm_keyword_hash_node_t;

typedef struct pm_keyword_rest_parameter_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;
} pm_keyword_rest_parameter_node_t;

typedef struct pm_lambda_node {
    pm_node_t base;
 

    pm_constant_id_list_t locals;

    pm_location_t operator_loc;

    pm_location_t opening_loc;

    pm_location_t closing_loc;

    struct pm_node *parameters;

    struct pm_node *body;
} pm_lambda_node_t;

typedef struct pm_local_variable_and_write_node {
    pm_node_t base;
 

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;

    pm_constant_id_t name;

    uint32_t depth;
} pm_local_variable_and_write_node_t;

typedef struct pm_local_variable_operator_write_node {
    pm_node_t base;
 

    pm_location_t name_loc;

    pm_location_t binary_operator_loc;

    struct pm_node *value;

    pm_constant_id_t name;

    pm_constant_id_t binary_operator;

    uint32_t depth;
} pm_local_variable_operator_write_node_t;

typedef struct pm_local_variable_or_write_node {
    pm_node_t base;
 

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;

    pm_constant_id_t name;

    uint32_t depth;
} pm_local_variable_or_write_node_t;

typedef struct pm_local_variable_read_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    uint32_t depth;
} pm_local_variable_read_node_t;

typedef struct pm_local_variable_target_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    uint32_t depth;
} pm_local_variable_target_node_t;

typedef struct pm_local_variable_write_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    uint32_t depth;

    pm_location_t name_loc;

    struct pm_node *value;

    pm_location_t operator_loc;
} pm_local_variable_write_node_t;

typedef struct pm_match_last_line_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    pm_location_t content_loc;

    pm_location_t closing_loc;

    pm_string_t unescaped;
} pm_match_last_line_node_t;

typedef struct pm_match_predicate_node {
    pm_node_t base;
 

    struct pm_node *value;

    struct pm_node *pattern;

    pm_location_t operator_loc;
} pm_match_predicate_node_t;

typedef struct pm_match_required_node {
    pm_node_t base;
 

    struct pm_node *value;

    struct pm_node *pattern;

    pm_location_t operator_loc;
} pm_match_required_node_t;

typedef struct pm_match_write_node {
    pm_node_t base;
 

    struct pm_call_node *call;

    struct pm_node_list targets;
} pm_match_write_node_t;

typedef struct pm_missing_node {
    pm_node_t base;
 
} pm_missing_node_t;

typedef struct pm_module_node {
    pm_node_t base;
 

    pm_constant_id_list_t locals;

    pm_location_t module_keyword_loc;

    struct pm_node *constant_path;

    struct pm_node *body;

    pm_location_t end_keyword_loc;

    pm_constant_id_t name;
} pm_module_node_t;

typedef struct pm_multi_target_node {
    pm_node_t base;
 

    struct pm_node_list lefts;

    struct pm_node *rest;

    struct pm_node_list rights;

    pm_location_t lparen_loc;

    pm_location_t rparen_loc;
} pm_multi_target_node_t;

typedef struct pm_multi_write_node {
    pm_node_t base;
 

    struct pm_node_list lefts;

    struct pm_node *rest;

    struct pm_node_list rights;

    pm_location_t lparen_loc;

    pm_location_t rparen_loc;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_multi_write_node_t;

typedef struct pm_next_node {
    pm_node_t base;
 

    struct pm_arguments_node *arguments;

    pm_location_t keyword_loc;
} pm_next_node_t;

typedef struct pm_nil_node {
    pm_node_t base;
 
} pm_nil_node_t;

typedef struct pm_no_keywords_parameter_node {
    pm_node_t base;
 

    pm_location_t operator_loc;

    pm_location_t keyword_loc;
} pm_no_keywords_parameter_node_t;

typedef struct pm_numbered_parameters_node {
    pm_node_t base;
 

    uint8_t maximum;
} pm_numbered_parameters_node_t;

typedef struct pm_numbered_reference_read_node {
    pm_node_t base;
 

    uint32_t number;
} pm_numbered_reference_read_node_t;

typedef struct pm_optional_keyword_parameter_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    struct pm_node *value;
} pm_optional_keyword_parameter_node_t;

typedef struct pm_optional_parameter_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;

    struct pm_node *value;
} pm_optional_parameter_node_t;

typedef struct pm_or_node {
    pm_node_t base;
 

    struct pm_node *left;

    struct pm_node *right;

    pm_location_t operator_loc;
} pm_or_node_t;

typedef struct pm_parameters_node {
    pm_node_t base;
 

    struct pm_node_list requireds;

    struct pm_node_list optionals;

    struct pm_node *rest;

    struct pm_node_list posts;

    struct pm_node_list keywords;

    struct pm_node *keyword_rest;

    struct pm_block_parameter_node *block;
} pm_parameters_node_t;

typedef struct pm_parentheses_node {
    pm_node_t base;
 

    struct pm_node *body;

    pm_location_t opening_loc;

    pm_location_t closing_loc;
} pm_parentheses_node_t;

typedef struct pm_pinned_expression_node {
    pm_node_t base;
 

    struct pm_node *expression;

    pm_location_t operator_loc;

    pm_location_t lparen_loc;

    pm_location_t rparen_loc;
} pm_pinned_expression_node_t;

typedef struct pm_pinned_variable_node {
    pm_node_t base;
 

    struct pm_node *variable;

    pm_location_t operator_loc;
} pm_pinned_variable_node_t;

typedef struct pm_post_execution_node {
    pm_node_t base;
 

    struct pm_statements_node *statements;

    pm_location_t keyword_loc;

    pm_location_t opening_loc;

    pm_location_t closing_loc;
} pm_post_execution_node_t;

typedef struct pm_pre_execution_node {
    pm_node_t base;
 

    struct pm_statements_node *statements;

    pm_location_t keyword_loc;

    pm_location_t opening_loc;

    pm_location_t closing_loc;
} pm_pre_execution_node_t;

typedef struct pm_program_node {
    pm_node_t base;
 

    pm_constant_id_list_t locals;

    struct pm_statements_node *statements;
} pm_program_node_t;

typedef struct pm_range_node {
    pm_node_t base;
 

    struct pm_node *left;

    struct pm_node *right;

    pm_location_t operator_loc;
} pm_range_node_t;

typedef struct pm_rational_node {
    pm_node_t base;
 

    pm_integer_t numerator;

    pm_integer_t denominator;
} pm_rational_node_t;

typedef struct pm_redo_node {
    pm_node_t base;
 
} pm_redo_node_t;

typedef struct pm_regular_expression_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    pm_location_t content_loc;

    pm_location_t closing_loc;

    pm_string_t unescaped;
} pm_regular_expression_node_t;

typedef struct pm_required_keyword_parameter_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;
} pm_required_keyword_parameter_node_t;

typedef struct pm_required_parameter_node {
    pm_node_t base;
 

    pm_constant_id_t name;
} pm_required_parameter_node_t;

typedef struct pm_rescue_modifier_node {
    pm_node_t base;
 

    struct pm_node *expression;

    pm_location_t keyword_loc;

    struct pm_node *rescue_expression;
} pm_rescue_modifier_node_t;

typedef struct pm_rescue_node {
    pm_node_t base;
 

    pm_location_t keyword_loc;

    struct pm_node_list exceptions;

    pm_location_t operator_loc;

    struct pm_node *reference;

    pm_location_t then_keyword_loc;

    struct pm_statements_node *statements;

    struct pm_rescue_node *subsequent;
} pm_rescue_node_t;

typedef struct pm_rest_parameter_node {
    pm_node_t base;
 

    pm_constant_id_t name;

    pm_location_t name_loc;

    pm_location_t operator_loc;
} pm_rest_parameter_node_t;

typedef struct pm_retry_node {
    pm_node_t base;
 
} pm_retry_node_t;

typedef struct pm_return_node {
    pm_node_t base;
 

    pm_location_t keyword_loc;

    struct pm_arguments_node *arguments;
} pm_return_node_t;

typedef struct pm_self_node {
    pm_node_t base;
 
} pm_self_node_t;

typedef struct pm_shareable_constant_node {
    pm_node_t base;
 

    struct pm_node *write;
} pm_shareable_constant_node_t;

typedef struct pm_singleton_class_node {
    pm_node_t base;
 

    pm_constant_id_list_t locals;

    pm_location_t class_keyword_loc;

    pm_location_t operator_loc;

    struct pm_node *expression;

    struct pm_node *body;

    pm_location_t end_keyword_loc;
} pm_singleton_class_node_t;

typedef struct pm_source_encoding_node {
    pm_node_t base;
 
} pm_source_encoding_node_t;

typedef struct pm_source_file_node {
    pm_node_t base;
 

    pm_string_t filepath;
} pm_source_file_node_t;

typedef struct pm_source_line_node {
    pm_node_t base;
 
} pm_source_line_node_t;

typedef struct pm_splat_node {
    pm_node_t base;
 

    pm_location_t operator_loc;

    struct pm_node *expression;
} pm_splat_node_t;

typedef struct pm_statements_node {
    pm_node_t base;
 

    struct pm_node_list body;
} pm_statements_node_t;

typedef struct pm_string_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    pm_location_t content_loc;

    pm_location_t closing_loc;

    pm_string_t unescaped;
} pm_string_node_t;

typedef struct pm_super_node {
    pm_node_t base;
 

    pm_location_t keyword_loc;

    pm_location_t lparen_loc;

    struct pm_arguments_node *arguments;

    pm_location_t rparen_loc;

    struct pm_node *block;
} pm_super_node_t;

typedef struct pm_symbol_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    pm_location_t value_loc;

    pm_location_t closing_loc;

    pm_string_t unescaped;
} pm_symbol_node_t;

typedef struct pm_true_node {
    pm_node_t base;
 
} pm_true_node_t;

typedef struct pm_undef_node {
    pm_node_t base;
 

    struct pm_node_list names;

    pm_location_t keyword_loc;
} pm_undef_node_t;

typedef struct pm_unless_node {
    pm_node_t base;
 

    pm_location_t keyword_loc;

    struct pm_node *predicate;

    pm_location_t then_keyword_loc;

    struct pm_statements_node *statements;

    struct pm_else_node *else_clause;

    pm_location_t end_keyword_loc;
} pm_unless_node_t;

typedef struct pm_until_node {
    pm_node_t base;
 

    pm_location_t keyword_loc;

    pm_location_t do_keyword_loc;

    pm_location_t closing_loc;

    struct pm_node *predicate;

    struct pm_statements_node *statements;
} pm_until_node_t;

typedef struct pm_when_node {
    pm_node_t base;
 

    pm_location_t keyword_loc;

    struct pm_node_list conditions;

    pm_location_t then_keyword_loc;

    struct pm_statements_node *statements;
} pm_when_node_t;

typedef struct pm_while_node {
    pm_node_t base;
 

    pm_location_t keyword_loc;

    pm_location_t do_keyword_loc;

    pm_location_t closing_loc;

    struct pm_node *predicate;

    struct pm_statements_node *statements;
} pm_while_node_t;

typedef struct pm_x_string_node {
    pm_node_t base;
 

    pm_location_t opening_loc;

    pm_location_t content_loc;

    pm_location_t closing_loc;

    pm_string_t unescaped;
} pm_x_string_node_t;

typedef struct pm_yield_node {
    pm_node_t base;
 

    pm_location_t keyword_loc;

    pm_location_t lparen_loc;

    struct pm_arguments_node *arguments;

    pm_location_t rparen_loc;
} pm_yield_node_t;

typedef enum pm_arguments_node_flags {
    PM_ARGUMENTS_NODE_FLAGS_CONTAINS_FORWARDING = 4,

    PM_ARGUMENTS_NODE_FLAGS_CONTAINS_KEYWORDS = 8,

    PM_ARGUMENTS_NODE_FLAGS_CONTAINS_KEYWORD_SPLAT = 16,

    PM_ARGUMENTS_NODE_FLAGS_CONTAINS_SPLAT = 32,

    PM_ARGUMENTS_NODE_FLAGS_CONTAINS_MULTIPLE_SPLATS = 64,
 
    PM_ARGUMENTS_NODE_FLAGS_LAST,
} pm_arguments_node_flags_t;

typedef enum pm_array_node_flags {
    PM_ARRAY_NODE_FLAGS_CONTAINS_SPLAT = 4,
 
    PM_ARRAY_NODE_FLAGS_LAST,
} pm_array_node_flags_t;

typedef enum pm_call_node_flags {
    PM_CALL_NODE_FLAGS_SAFE_NAVIGATION = 4,

    PM_CALL_NODE_FLAGS_VARIABLE_CALL = 8,

    PM_CALL_NODE_FLAGS_ATTRIBUTE_WRITE = 16,

    PM_CALL_NODE_FLAGS_IGNORE_VISIBILITY = 32,
 
    PM_CALL_NODE_FLAGS_LAST,
} pm_call_node_flags_t;

typedef enum pm_encoding_flags {
    PM_ENCODING_FLAGS_FORCED_UTF8_ENCODING = 4,

    PM_ENCODING_FLAGS_FORCED_BINARY_ENCODING = 8,
 
    PM_ENCODING_FLAGS_LAST,
} pm_encoding_flags_t;

typedef enum pm_integer_base_flags {
    PM_INTEGER_BASE_FLAGS_BINARY = 4,

    PM_INTEGER_BASE_FLAGS_DECIMAL = 8,

    PM_INTEGER_BASE_FLAGS_OCTAL = 16,

    PM_INTEGER_BASE_FLAGS_HEXADECIMAL = 32,
 
    PM_INTEGER_BASE_FLAGS_LAST,
} pm_integer_base_flags_t;

typedef enum pm_interpolated_string_node_flags {
    PM_INTERPOLATED_STRING_NODE_FLAGS_FROZEN = 4,

    PM_INTERPOLATED_STRING_NODE_FLAGS_MUTABLE = 8,
 
    PM_INTERPOLATED_STRING_NODE_FLAGS_LAST,
} pm_interpolated_string_node_flags_t;

typedef enum pm_keyword_hash_node_flags {
    PM_KEYWORD_HASH_NODE_FLAGS_SYMBOL_KEYS = 4,
 
    PM_KEYWORD_HASH_NODE_FLAGS_LAST,
} pm_keyword_hash_node_flags_t;

typedef enum pm_loop_flags {
    PM_LOOP_FLAGS_BEGIN_MODIFIER = 4,
 
    PM_LOOP_FLAGS_LAST,
} pm_loop_flags_t;

typedef enum pm_parameter_flags {
    PM_PARAMETER_FLAGS_REPEATED_PARAMETER = 4,
 
    PM_PARAMETER_FLAGS_LAST,
} pm_parameter_flags_t;

typedef enum pm_parentheses_node_flags {
    PM_PARENTHESES_NODE_FLAGS_MULTIPLE_STATEMENTS = 4,
 
    PM_PARENTHESES_NODE_FLAGS_LAST,
} pm_parentheses_node_flags_t;

typedef enum pm_range_flags {
    PM_RANGE_FLAGS_EXCLUDE_END = 4,
 
    PM_RANGE_FLAGS_LAST,
} pm_range_flags_t;

typedef enum pm_regular_expression_flags {
    PM_REGULAR_EXPRESSION_FLAGS_IGNORE_CASE = 4,

    PM_REGULAR_EXPRESSION_FLAGS_EXTENDED = 8,

    PM_REGULAR_EXPRESSION_FLAGS_MULTI_LINE = 16,

    PM_REGULAR_EXPRESSION_FLAGS_ONCE = 32,

    PM_REGULAR_EXPRESSION_FLAGS_EUC_JP = 64,

    PM_REGULAR_EXPRESSION_FLAGS_ASCII_8BIT = 128,

    PM_REGULAR_EXPRESSION_FLAGS_WINDOWS_31J = 256,

    PM_REGULAR_EXPRESSION_FLAGS_UTF_8 = 512,

    PM_REGULAR_EXPRESSION_FLAGS_FORCED_UTF8_ENCODING = 1024,

    PM_REGULAR_EXPRESSION_FLAGS_FORCED_BINARY_ENCODING = 2048,

    PM_REGULAR_EXPRESSION_FLAGS_FORCED_US_ASCII_ENCODING = 4096,
 
    PM_REGULAR_EXPRESSION_FLAGS_LAST,
} pm_regular_expression_flags_t;

typedef enum pm_shareable_constant_node_flags {
    PM_SHAREABLE_CONSTANT_NODE_FLAGS_LITERAL = 4,

    PM_SHAREABLE_CONSTANT_NODE_FLAGS_EXPERIMENTAL_EVERYTHING = 8,

    PM_SHAREABLE_CONSTANT_NODE_FLAGS_EXPERIMENTAL_COPY = 16,
 
    PM_SHAREABLE_CONSTANT_NODE_FLAGS_LAST,
} pm_shareable_constant_node_flags_t;

typedef enum pm_string_flags {
    PM_STRING_FLAGS_FORCED_UTF8_ENCODING = 4,

    PM_STRING_FLAGS_FORCED_BINARY_ENCODING = 8,

    PM_STRING_FLAGS_FROZEN = 16,

    PM_STRING_FLAGS_MUTABLE = 32,
 
    PM_STRING_FLAGS_LAST,
} pm_string_flags_t;

typedef enum pm_symbol_flags {
    PM_SYMBOL_FLAGS_FORCED_UTF8_ENCODING = 4,

    PM_SYMBOL_FLAGS_FORCED_BINARY_ENCODING = 8,

    PM_SYMBOL_FLAGS_FORCED_US_ASCII_ENCODING = 16,
 
    PM_SYMBOL_FLAGS_LAST,
} pm_symbol_flags_t;

#define PRISM_SERIALIZE_ONLY_SEMANTICS_FIELDS 0
 
#endif