view release on metacpan or  search on metacpan

quickjs/quickjs.c  view on Meta::CPAN

    TOK_ERROR,
    TOK_PRIVATE_NAME,
    TOK_EOF,
    /* keywords: WARNING: same order as atoms */
    TOK_NULL, /* must be first */
    TOK_FALSE,
    TOK_TRUE,
    TOK_IF,
    TOK_ELSE,
    TOK_RETURN,
    TOK_VAR,
    TOK_THIS,
    TOK_DELETE,
    TOK_VOID,
    TOK_TYPEOF,
    TOK_NEW,
    TOK_IN,
    TOK_INSTANCEOF,
    TOK_DO,
    TOK_WHILE,
    TOK_FOR,
    TOK_BREAK,
    TOK_CONTINUE,
    TOK_SWITCH,
    TOK_CASE,
    TOK_DEFAULT,
    TOK_THROW,
    TOK_TRY,
    TOK_CATCH,
    TOK_FINALLY,
    TOK_FUNCTION,
    TOK_DEBUGGER,
    TOK_WITH,
    /* FutureReservedWord */
    TOK_CLASS,
    TOK_CONST,
    TOK_ENUM,
    TOK_EXPORT,
    TOK_EXTENDS,
    TOK_IMPORT,
    TOK_SUPER,
    /* FutureReservedWords when parsing strict mode code */
    TOK_IMPLEMENTS,
    TOK_INTERFACE,
    TOK_LET,
    TOK_PACKAGE,
    TOK_PRIVATE,
    TOK_PROTECTED,
    TOK_PUBLIC,
    TOK_STATIC,
    TOK_YIELD,
    TOK_AWAIT, /* must be last */
    TOK_OF,     /* only used for js_parse_skip_parens_token() */
};

#define TOK_FIRST_KEYWORD   TOK_NULL
#define TOK_LAST_KEYWORD    TOK_AWAIT

/* unicode code points */
#define CP_NBSP 0x00a0
#define CP_BOM  0xfeff

#define CP_LS   0x2028
#define CP_PS   0x2029

typedef struct BlockEnv {
    struct BlockEnv *prev;
    JSAtom label_name; /* JS_ATOM_NULL if none */
    int label_break; /* -1 if none */
    int label_cont; /* -1 if none */
    int drop_count; /* number of stack elements to drop */
    int label_finally; /* -1 if none */
    int scope_level;
    int has_iterator;
} BlockEnv;

typedef struct JSGlobalVar {
    int cpool_idx; /* if >= 0, index in the constant pool for hoisted
                      function defintion*/
    uint8_t force_init : 1; /* force initialization to undefined */
    uint8_t is_lexical : 1; /* global let/const definition */
    uint8_t is_const   : 1; /* const definition */
    int scope_level;    /* scope of definition */
    JSAtom var_name;  /* variable name */
} JSGlobalVar;

typedef struct RelocEntry {
    struct RelocEntry *next;
    uint32_t addr; /* address to patch */
    int size;   /* address size: 1, 2 or 4 bytes */
} RelocEntry;

typedef struct JumpSlot {
    int op;
    int size;
    int pos;
    int label;
} JumpSlot;

typedef struct LabelSlot {
    int ref_count;
    int pos;    /* phase 1 address, -1 means not resolved yet */
    int pos2;   /* phase 2 address, -1 means not resolved yet */
    int addr;   /* phase 3 address, -1 means not resolved yet */
    RelocEntry *first_reloc;
} LabelSlot;

typedef struct LineNumberSlot {
    uint32_t pc;
    int line_num;
} LineNumberSlot;

typedef enum JSParseFunctionEnum {
    JS_PARSE_FUNC_STATEMENT,
    JS_PARSE_FUNC_VAR,
    JS_PARSE_FUNC_EXPR,
    JS_PARSE_FUNC_ARROW,
    JS_PARSE_FUNC_GETTER,
    JS_PARSE_FUNC_SETTER,
    JS_PARSE_FUNC_METHOD,
    JS_PARSE_FUNC_CLASS_STATIC_INIT,