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ast.h
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ast.h
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#ifndef SILVER_AST_H
#define SILVER_AST_H
#include <stdint.h>
#include <stdbool.h>
#include "types.h"
typedef enum {
N_NUMBER,
N_STRING,
N_BIGINT,
N_BOOL,
N_NULL,
N_UNDEF,
N_THIS,
N_GLOBAL_THIS,
N_TEMPLATE,
N_REGEXP,
N_IDENT,
N_BINARY,
N_UNARY,
N_UPDATE,
N_ASSIGN,
N_TERNARY,
N_CALL,
N_NEW,
N_MEMBER,
N_OPTIONAL,
N_ARRAY,
N_OBJECT,
N_PROPERTY,
N_SPREAD,
N_SEQUENCE,
N_ARROW,
N_YIELD,
N_AWAIT,
N_TYPEOF,
N_DELETE,
N_VOID,
N_TAGGED_TEMPLATE,
N_BLOCK,
N_VAR,
N_VARDECL,
N_IF,
N_WHILE,
N_DO_WHILE,
N_FOR,
N_FOR_IN,
N_FOR_OF,
N_FOR_AWAIT_OF,
N_RETURN,
N_BREAK,
N_CONTINUE,
N_THROW,
N_TRY,
N_SWITCH,
N_CASE,
N_LABEL,
N_DEBUGGER,
N_EMPTY,
N_WITH,
N_FUNC,
N_CLASS,
N_METHOD,
N_STATIC_BLOCK,
N_ARRAY_PAT,
N_OBJECT_PAT,
N_REST,
N_ASSIGN_PAT,
N_NEW_TARGET,
N_IMPORT,
N_IMPORT_DECL,
N_IMPORT_SPEC,
N_EXPORT,
N_PROGRAM,
N__COUNT
} sv_node_type_t;
typedef enum {
VAR_VAR,
VAR_LET,
VAR_CONST,
} sv_var_kind_t;
enum {
FN_ASYNC = 1 << 0,
FN_GENERATOR = 1 << 1,
FN_ARROW = 1 << 2,
FN_GETTER = 1 << 3,
FN_SETTER = 1 << 4,
FN_STATIC = 1 << 5,
FN_COMPUTED = 1 << 6,
FN_METHOD = 1 << 7,
FN_COLON = 1 << 8,
FN_PAREN = 1 << 9,
FN_USES_ARGS = 1 << 10,
FN_INVALID_COOKED = 1 << 11,
FN_PARSE_STRICT = 1 << 12,
};
enum {
EX_DEFAULT = 1 << 0,
EX_DECL = 1 << 1,
EX_NAMED = 1 << 2,
EX_FROM = 1 << 3,
EX_STAR = 1 << 4,
EX_NAMESPACE = 1 << 5,
};
typedef struct
sv_ast sv_ast_t;
typedef struct {
sv_ast_t **items;
int count;
int cap;
} sv_ast_list_t;
struct sv_ast {
sv_node_type_t type;
uint8_t op;
uint16_t flags;
sv_var_kind_t var_kind;
const char *str;
uint32_t len;
const char *aux;
uint32_t aux_len;
double num;
sv_ast_t *left;
sv_ast_t *right;
sv_ast_t *cond;
sv_ast_t *body;
sv_ast_list_t args;
sv_ast_t *catch_param;
sv_ast_t *catch_body;
sv_ast_t *finally_body;
sv_ast_t *init;
sv_ast_t *update;
uint32_t line;
uint32_t col;
uint32_t src_off;
uint32_t src_end;
};
void sv_ast_list_push(sv_ast_list_t *list, sv_ast_t *node);
bool sv_ast_can_be_expression_statement(const sv_ast_t *node);
bool ast_references_arguments(const sv_ast_t *node);
sv_ast_t *sv_ast_new(sv_node_type_t type);
sv_ast_t *sv_parse(ant_t *js, const char *code, jsoff_t clen, bool strict);
#endif

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