19950 typedef struct JSFunctionDef {  struct
19952     struct JSFunctionDef *parent;  argument
19956     struct list_head child_list; /* list of JSFunctionDef.link */  argument
19957     struct list_head link;
19959     BOOL is_eval; /* TRUE if eval code */
19960     int eval_type; /* only valid if is_eval = TRUE */
19961     BOOL is_global_var; /* TRUE if variables are not defined locally:
19963     BOOL is_func_expr; /* TRUE if function expression */
19964     BOOL has_home_object; /* TRUE if the home object is available */
19965     BOOL has_prototype; /* true if a prototype field is necessary */
19966     BOOL has_simple_parameter_list;
19967     BOOL has_parameter_expressions; /* if true, an argument scope is created */
19968     BOOL has_use_strict; /* to reject directive in special cases */
19969     BOOL has_eval_call; /* true if the function contains a call to eval() */
19970     BOOL has_arguments_binding; /* true if the 'arguments' binding is
19972     BOOL has_this_binding; /* true if the 'this' and new.target binding are
19974     BOOL new_target_allowed; /* true if the 'new.target' does not
19976     BOOL super_call_allowed; /* true if super() is allowed */
19977     BOOL super_allowed; /* true if super. or super[] is allowed */
19978     BOOL arguments_allowed; /* true if the 'arguments' identifier is allowed */
19979     BOOL is_derived_class_constructor;
19980     BOOL in_function_body;
19981     BOOL backtrace_barrier;
19982     JSFunctionKindEnum func_kind : 8;
19983     JSParseFunctionEnum func_type : 8;
19984     uint8_t js_mode; /* bitmap of JS_MODE_x */
19985     JSAtom func_name; /* JS_ATOM_NULL if no name */
19987     JSVarDef *vars;
19988     int var_size; /* allocated size for vars[] */
19989     int var_count;
19990     JSVarDef *args;
19991     int arg_size; /* allocated size for args[] */
19992     int arg_count; /* number of arguments */
19993     int defined_arg_count;
19994     int var_object_idx; /* -1 if none */
19995     int arg_var_object_idx; /* -1 if none (var object for the argument scope) */
19996     int arguments_var_idx; /* -1 if none */
19997     int arguments_arg_idx; /* argument variable definition in argument scope, 
19999     int func_var_idx; /* variable containing the current function (-1
20001     int eval_ret_idx; /* variable containing the return value of the eval, -1 if none */
20002     int this_var_idx; /* variable containg the 'this' value, -1 if none */
20003     int new_target_var_idx; /* variable containg the 'new.target' value, -1 if none */
20004     int this_active_func_var_idx; /* variable containg the 'this.active_func' value, -1 if none */
20005     int home_object_var_idx;
20006     BOOL need_home_object;
20008     int scope_level;    /* index into fd->scopes if the current lexical scope */
20009     int scope_first;    /* index into vd->vars of first lexically scoped variable */
20010     int scope_size;     /* allocated size of fd->scopes array */
20011     int scope_count;    /* number of entries used in the fd->scopes array */
20012     JSVarScope *scopes;
20013     JSVarScope def_scope_array[4];
20014     int body_scope; /* scope of the body of the function or eval */
20016     int global_var_count;
20017     int global_var_size;
20018     JSGlobalVar *global_vars;
20020     DynBuf byte_code;
20021     int last_opcode_pos; /* -1 if no last opcode */
20022     int last_opcode_line_num;
20023     BOOL use_short_opcodes; /* true if short opcodes are used in byte_code */
20025     LabelSlot *label_slots;
20026     int label_size; /* allocated size for label_slots[] */
20027     int label_count;
20028     BlockEnv *top_break; /* break/continue label stack */
20031     JSValue *cpool;
20032     int cpool_count;
20033     int cpool_size;
20059 } JSFunctionDef;  argument