--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/mujs/jsi.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,868 @@
+#ifndef jsi_h
+#define jsi_h
+
+#include "mujs.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include <string.h>
+#include <setjmp.h>
+#include <math.h>
+#include <float.h>
+#include <limits.h>
+
+/* NOTE: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103052 */
+#ifdef __GNUC__
+#if (__GNUC__ >= 6)
+#pragma GCC optimize ("no-ipa-pure-const")
+#endif
+#endif
+
+/* Microsoft Visual C */
+#ifdef _MSC_VER
+#pragma warning(disable:4996) /* _CRT_SECURE_NO_WARNINGS */
+#pragma warning(disable:4244) /* implicit conversion from double to int */
+#pragma warning(disable:4267) /* implicit conversion of int to smaller int */
+#pragma warning(disable:4090) /* broken const warnings */
+#define inline __inline
+#if _MSC_VER < 1900 /* MSVC 2015 */
+#define snprintf jsW_snprintf
+#define vsnprintf jsW_vsnprintf
+static int jsW_vsnprintf(char *str, size_t size, const char *fmt, va_list ap)
+{
+	int n;
+	n = _vsnprintf(str, size, fmt, ap);
+	str[size-1] = 0;
+	return n;
+}
+static int jsW_snprintf(char *str, size_t size, const char *fmt, ...)
+{
+	int n;
+	va_list ap;
+	va_start(ap, fmt);
+	n = jsW_vsnprintf(str, size, fmt, ap);
+	va_end(ap);
+	return n;
+}
+#endif
+#if _MSC_VER <= 1700 /* <= MSVC 2012 */
+#define isnan(x) _isnan(x)
+#define isinf(x) (!_finite(x))
+#define isfinite(x) _finite(x)
+static __inline int signbit(double x) { __int64 i; memcpy(&i, &x, 8); return i>>63; }
+#define INFINITY (DBL_MAX+DBL_MAX)
+#define NAN (INFINITY-INFINITY)
+#endif
+#endif
+
+#define soffsetof(x,y) ((int)offsetof(x,y))
+#define nelem(a) (int)(sizeof (a) / sizeof (a)[0])
+
+void *js_malloc(js_State *J, int size);
+void *js_realloc(js_State *J, void *ptr, int size);
+void js_free(js_State *J, void *ptr);
+
+typedef union js_Value js_Value;
+typedef struct js_Regexp js_Regexp;
+typedef struct js_Object js_Object;
+typedef struct js_String js_String;
+typedef struct js_Ast js_Ast;
+typedef struct js_Function js_Function;
+typedef struct js_Environment js_Environment;
+typedef struct js_StringNode js_StringNode;
+typedef struct js_Jumpbuf js_Jumpbuf;
+typedef struct js_StackTrace js_StackTrace;
+
+/* Limits */
+
+#ifndef JS_STACKSIZE
+#define JS_STACKSIZE 4096	/* value stack size */
+#endif
+#ifndef JS_ENVLIMIT
+#define JS_ENVLIMIT 1024	/* environment stack size */
+#endif
+#ifndef JS_TRYLIMIT
+#define JS_TRYLIMIT 64		/* exception stack size */
+#endif
+
+#ifndef JS_ARRAYLIMIT
+#define JS_ARRAYLIMIT (1<<26)	/* limit arrays to 64M entries (1G of flat array data) */
+#endif
+
+#ifndef JS_GCFACTOR
+/*
+ * GC will try to trigger when memory usage is this value times the minimum
+ * needed memory. E.g. if there are 100 remaining objects after GC and this
+ * value is 5.0, then the next GC will trigger when the overall number is 500.
+ * I.e. a value of 5.0 aims at 80% garbage, 20% remain-used on each GC.
+ * The bigger the value the less impact GC has on overall performance, but more
+ * memory is used and individual GC pauses are longer (but fewer).
+ */
+#define JS_GCFACTOR 5.0		/* memory overhead factor >= 1.0 */
+#endif
+
+#ifndef JS_ASTLIMIT
+#define JS_ASTLIMIT 400		/* max nested expressions */
+#endif
+
+#ifndef JS_STRLIMIT
+#define JS_STRLIMIT (1<<28)	/* max string length */
+#endif
+
+/* instruction size -- change to int if you get integer overflow syntax errors */
+
+#ifdef JS_INSTRUCTION
+typedef JS_INSTRUCTION js_Instruction;
+#else
+typedef unsigned short js_Instruction;
+#endif
+
+/* String interning */
+
+char *js_strdup(js_State *J, const char *s);
+const char *js_intern(js_State *J, const char *s);
+void jsS_dumpstrings(js_State *J);
+void jsS_freestrings(js_State *J);
+
+/* Portable strtod and printf float formatting */
+
+void js_fmtexp(char *p, int e);
+int js_grisu2(double v, char *buffer, int *K);
+double js_strtod(const char *as, char **aas);
+
+double js_strtol(const char *s, char **ep, int radix);
+
+/* Private stack functions */
+
+void js_newarguments(js_State *J);
+void js_newfunction(js_State *J, js_Function *function, js_Environment *scope);
+void js_newscript(js_State *J, js_Function *function, js_Environment *scope);
+void js_loadeval(js_State *J, const char *filename, const char *source);
+
+js_Regexp *js_toregexp(js_State *J, int idx);
+int js_isarrayindex(js_State *J, const char *str, int *idx);
+int js_runeat(js_State *J, const char *s, int i);
+int js_utflen(const char *s);
+int js_utfptrtoidx(const char *s, const char *p);
+
+void js_dup(js_State *J);
+void js_dup2(js_State *J);
+void js_rot2(js_State *J);
+void js_rot3(js_State *J);
+void js_rot4(js_State *J);
+void js_rot2pop1(js_State *J);
+void js_rot3pop2(js_State *J);
+void js_dup1rot3(js_State *J);
+void js_dup1rot4(js_State *J);
+
+void js_RegExp_prototype_exec(js_State *J, js_Regexp *re, const char *text);
+
+void js_trap(js_State *J, int pc); /* dump stack and environment to stdout */
+
+struct js_StackTrace
+{
+	const char *name;
+	const char *file;
+	int line;
+};
+
+/* Exception handling */
+
+struct js_Jumpbuf
+{
+	jmp_buf buf;
+	js_Environment *E;
+	int envtop;
+	int tracetop;
+	int top, bot;
+	int strict;
+	js_Instruction *pc;
+};
+
+void *js_savetrypc(js_State *J, js_Instruction *pc);
+
+#define js_trypc(J, PC) \
+	setjmp(js_savetrypc(J, PC))
+
+/* String buffer */
+
+typedef struct js_Buffer { int n, m; char s[64]; } js_Buffer;
+
+void js_putc(js_State *J, js_Buffer **sbp, int c);
+void js_puts(js_State *J, js_Buffer **sb, const char *s);
+void js_putm(js_State *J, js_Buffer **sb, const char *s, const char *e);
+
+/* State struct */
+
+struct js_State
+{
+	void *actx;
+	void *uctx;
+	js_Alloc alloc;
+	js_Report report;
+	js_Panic panic;
+
+	js_StringNode *strings;
+
+	int default_strict;
+	int strict;
+
+	/* parser input source */
+	const char *filename;
+	const char *source;
+	int line;
+
+	/* lexer state */
+	struct { char *text; int len, cap; } lexbuf;
+	int lexline;
+	int lexchar;
+	int lasttoken;
+	int newline;
+
+	/* parser state */
+	int astdepth;
+	int lookahead;
+	const char *text;
+	double number;
+	js_Ast *gcast; /* list of allocated nodes to free after parsing */
+
+	/* runtime environment */
+	js_Object *Object_prototype;
+	js_Object *Array_prototype;
+	js_Object *Function_prototype;
+	js_Object *Boolean_prototype;
+	js_Object *Number_prototype;
+	js_Object *String_prototype;
+	js_Object *RegExp_prototype;
+	js_Object *Date_prototype;
+
+	js_Object *Error_prototype;
+	js_Object *EvalError_prototype;
+	js_Object *RangeError_prototype;
+	js_Object *ReferenceError_prototype;
+	js_Object *SyntaxError_prototype;
+	js_Object *TypeError_prototype;
+	js_Object *URIError_prototype;
+
+	unsigned int seed; /* Math.random seed */
+
+	char scratch[12]; /* scratch buffer for iterating over array indices */
+
+	int nextref; /* for js_ref use */
+	js_Object *R; /* registry of hidden values */
+	js_Object *G; /* the global object */
+	js_Environment *E; /* current environment scope */
+	js_Environment *GE; /* global environment scope (at the root) */
+
+	/* execution stack */
+	int top, bot;
+	js_Value *stack;
+
+	/* garbage collector list */
+	int gcpause;
+	int gcmark;
+	unsigned int gccounter, gcthresh;
+	js_Environment *gcenv;
+	js_Function *gcfun;
+	js_Object *gcobj;
+	js_String *gcstr;
+
+	js_Object *gcroot; /* gc scan list */
+
+	/* environments on the call stack but currently not in scope */
+	int envtop;
+	js_Environment *envstack[JS_ENVLIMIT];
+
+	/* debug info stack trace */
+	int tracetop;
+	js_StackTrace trace[JS_ENVLIMIT];
+
+	/* exception stack */
+	int trytop;
+	js_Jumpbuf trybuf[JS_TRYLIMIT];
+};
+
+/* Values */
+
+typedef struct js_Property js_Property;
+typedef struct js_Iterator js_Iterator;
+
+/* Hint to ToPrimitive() */
+enum {
+	JS_HNONE,
+	JS_HNUMBER,
+	JS_HSTRING
+};
+
+enum js_Type {
+	JS_TSHRSTR, /* type tag doubles as string zero-terminator */
+	JS_TUNDEFINED,
+	JS_TNULL,
+	JS_TBOOLEAN,
+	JS_TNUMBER,
+	JS_TLITSTR,
+	JS_TMEMSTR,
+	JS_TOBJECT,
+};
+
+enum js_Class {
+	JS_COBJECT,
+	JS_CARRAY,
+	JS_CFUNCTION,
+	JS_CSCRIPT, /* function created from global/eval code */
+	JS_CCFUNCTION, /* built-in function */
+	JS_CERROR,
+	JS_CBOOLEAN,
+	JS_CNUMBER,
+	JS_CSTRING,
+	JS_CREGEXP,
+	JS_CDATE,
+	JS_CMATH,
+	JS_CJSON,
+	JS_CARGUMENTS,
+	JS_CITERATOR,
+	JS_CUSERDATA,
+};
+
+/*
+	Short strings abuse the js_Value struct. By putting the type tag in the
+	last byte, and using 0 as the tag for short strings, we can use the
+	entire js_Value as string storage by letting the type tag serve double
+	purpose as the string zero terminator.
+*/
+
+union js_Value
+{
+	struct {
+		char pad[15];
+		char type; /* type tag overlaps with final byte of shrstr */
+	} t;
+	union {
+		char shrstr[16];
+		int boolean;
+		double number;
+		const char *litstr;
+		js_String *memstr;
+		js_Object *object;
+	} u;
+};
+
+struct js_String
+{
+	js_String *gcnext;
+	char gcmark;
+	char p[1];
+};
+
+struct js_Regexp
+{
+	void *prog;
+	char *source;
+	unsigned short flags;
+	unsigned short last;
+};
+
+struct js_Object
+{
+	enum js_Class type;
+	int extensible;
+	js_Property *properties;
+	int count; /* number of properties, for array sparseness check */
+	js_Object *prototype;
+	union {
+		int boolean;
+		double number;
+		struct {
+			int length;
+			char *string;
+			char shrstr[16];
+		} s;
+		struct {
+			int length; /* actual length */
+			int simple; /* true if array has only non-sparse array properties */
+			int flat_length; /* used length of simple array part */
+			int flat_capacity; /* allocated length of simple array part */
+			js_Value *array;
+		} a;
+		struct {
+			js_Function *function;
+			js_Environment *scope;
+		} f;
+		struct {
+			const char *name;
+			js_CFunction function;
+			js_CFunction constructor;
+			int length;
+			void *data;
+			js_Finalize finalize;
+		} c;
+		js_Regexp r;
+		struct {
+			js_Object *target;
+			int i, n; /* for array part */
+			js_Iterator *head, *current; /* for object part */
+		} iter;
+		struct {
+			const char *tag;
+			void *data;
+			js_HasProperty has;
+			js_Put put;
+			js_Delete delete;
+			js_Finalize finalize;
+		} user;
+	} u;
+	js_Object *gcnext; /* allocation list */
+	js_Object *gcroot; /* scan list */
+	int gcmark;
+};
+
+struct js_Property
+{
+	js_Property *left, *right;
+	int level;
+	int atts;
+	js_Value value;
+	js_Object *getter;
+	js_Object *setter;
+	char name[1];
+};
+
+struct js_Iterator
+{
+	js_Iterator *next;
+	char name[1];
+};
+
+struct js_Environment
+{
+	js_Environment *outer;
+	js_Object *variables;
+
+	js_Environment *gcnext;
+	int gcmark;
+};
+
+/* jsrun.c */
+js_Environment *jsR_newenvironment(js_State *J, js_Object *variables, js_Environment *outer);
+js_String *jsV_newmemstring(js_State *J, const char *s, int n);
+js_Value *js_tovalue(js_State *J, int idx);
+void js_toprimitive(js_State *J, int idx, int hint);
+js_Object *js_toobject(js_State *J, int idx);
+void js_pushvalue(js_State *J, js_Value v);
+void js_pushobject(js_State *J, js_Object *v);
+void jsR_unflattenarray(js_State *J, js_Object *obj);
+
+/* jsvalue.c */
+int jsV_toboolean(js_State *J, js_Value *v);
+double jsV_tonumber(js_State *J, js_Value *v);
+double jsV_tointeger(js_State *J, js_Value *v);
+const char *jsV_tostring(js_State *J, js_Value *v);
+js_Object *jsV_toobject(js_State *J, js_Value *v);
+void jsV_toprimitive(js_State *J, js_Value *v, int preferred);
+
+const char *js_itoa(char *buf, int a);
+double js_stringtofloat(const char *s, char **ep);
+int jsV_numbertointeger(double n);
+int jsV_numbertoint32(double n);
+unsigned int jsV_numbertouint32(double n);
+short jsV_numbertoint16(double n);
+unsigned short jsV_numbertouint16(double n);
+const char *jsV_numbertostring(js_State *J, char buf[32], double number);
+double jsV_stringtonumber(js_State *J, const char *string);
+
+/* jsproperty.c */
+js_Object *jsV_newobject(js_State *J, enum js_Class type, js_Object *prototype);
+js_Property *jsV_getownproperty(js_State *J, js_Object *obj, const char *name);
+js_Property *jsV_getpropertyx(js_State *J, js_Object *obj, const char *name, int *own);
+js_Property *jsV_getproperty(js_State *J, js_Object *obj, const char *name);
+js_Property *jsV_setproperty(js_State *J, js_Object *obj, const char *name);
+js_Property *jsV_nextproperty(js_State *J, js_Object *obj, const char *name);
+void jsV_delproperty(js_State *J, js_Object *obj, const char *name);
+
+js_Object *jsV_newiterator(js_State *J, js_Object *obj, int own);
+const char *jsV_nextiterator(js_State *J, js_Object *iter);
+
+void jsV_resizearray(js_State *J, js_Object *obj, int newlen);
+
+void jsV_unflattenarray(js_State *J, js_Object *obj);
+void jsV_growarray(js_State *J, js_Object *obj);
+
+/* Lexer */
+
+enum
+{
+	TK_IDENTIFIER = 256,
+	TK_NUMBER,
+	TK_STRING,
+	TK_REGEXP,
+
+	/* multi-character punctuators */
+	TK_LE,
+	TK_GE,
+	TK_EQ,
+	TK_NE,
+	TK_STRICTEQ,
+	TK_STRICTNE,
+	TK_SHL,
+	TK_SHR,
+	TK_USHR,
+	TK_AND,
+	TK_OR,
+	TK_ADD_ASS,
+	TK_SUB_ASS,
+	TK_MUL_ASS,
+	TK_DIV_ASS,
+	TK_MOD_ASS,
+	TK_SHL_ASS,
+	TK_SHR_ASS,
+	TK_USHR_ASS,
+	TK_AND_ASS,
+	TK_OR_ASS,
+	TK_XOR_ASS,
+	TK_INC,
+	TK_DEC,
+
+	/* keywords */
+	TK_BREAK,
+	TK_CASE,
+	TK_CATCH,
+	TK_CONTINUE,
+	TK_DEBUGGER,
+	TK_DEFAULT,
+	TK_DELETE,
+	TK_DO,
+	TK_ELSE,
+	TK_FALSE,
+	TK_FINALLY,
+	TK_FOR,
+	TK_FUNCTION,
+	TK_IF,
+	TK_IN,
+	TK_INSTANCEOF,
+	TK_NEW,
+	TK_NULL,
+	TK_RETURN,
+	TK_SWITCH,
+	TK_THIS,
+	TK_THROW,
+	TK_TRUE,
+	TK_TRY,
+	TK_TYPEOF,
+	TK_VAR,
+	TK_VOID,
+	TK_WHILE,
+	TK_WITH,
+};
+
+int jsY_iswhite(int c);
+int jsY_isnewline(int c);
+int jsY_ishex(int c);
+int jsY_tohex(int c);
+
+const char *jsY_tokenstring(int token);
+int jsY_findword(const char *s, const char **list, int num);
+
+void jsY_initlex(js_State *J, const char *filename, const char *source);
+int jsY_lex(js_State *J);
+int jsY_lexjson(js_State *J);
+
+/* Parser */
+
+enum js_AstType
+{
+	AST_LIST,
+	AST_FUNDEC,
+	AST_IDENTIFIER,
+
+	EXP_IDENTIFIER,
+	EXP_NUMBER,
+	EXP_STRING,
+	EXP_REGEXP,
+
+	/* literals */
+	EXP_ELISION, /* for array elisions */
+	EXP_NULL,
+	EXP_TRUE,
+	EXP_FALSE,
+	EXP_THIS,
+
+	EXP_ARRAY,
+	EXP_OBJECT,
+	EXP_PROP_VAL,
+	EXP_PROP_GET,
+	EXP_PROP_SET,
+
+	EXP_FUN,
+
+	/* expressions */
+	EXP_INDEX,
+	EXP_MEMBER,
+	EXP_CALL,
+	EXP_NEW,
+
+	EXP_POSTINC,
+	EXP_POSTDEC,
+
+	EXP_DELETE,
+	EXP_VOID,
+	EXP_TYPEOF,
+	EXP_PREINC,
+	EXP_PREDEC,
+	EXP_POS,
+	EXP_NEG,
+	EXP_BITNOT,
+	EXP_LOGNOT,
+
+	EXP_MOD,
+	EXP_DIV,
+	EXP_MUL,
+	EXP_SUB,
+	EXP_ADD,
+	EXP_USHR,
+	EXP_SHR,
+	EXP_SHL,
+	EXP_IN,
+	EXP_INSTANCEOF,
+	EXP_GE,
+	EXP_LE,
+	EXP_GT,
+	EXP_LT,
+	EXP_STRICTNE,
+	EXP_STRICTEQ,
+	EXP_NE,
+	EXP_EQ,
+	EXP_BITAND,
+	EXP_BITXOR,
+	EXP_BITOR,
+	EXP_LOGAND,
+	EXP_LOGOR,
+
+	EXP_COND,
+
+	EXP_ASS,
+	EXP_ASS_MUL,
+	EXP_ASS_DIV,
+	EXP_ASS_MOD,
+	EXP_ASS_ADD,
+	EXP_ASS_SUB,
+	EXP_ASS_SHL,
+	EXP_ASS_SHR,
+	EXP_ASS_USHR,
+	EXP_ASS_BITAND,
+	EXP_ASS_BITXOR,
+	EXP_ASS_BITOR,
+
+	EXP_COMMA,
+
+	EXP_VAR, /* var initializer */
+
+	/* statements */
+	STM_BLOCK,
+	STM_EMPTY,
+	STM_VAR,
+	STM_IF,
+	STM_DO,
+	STM_WHILE,
+	STM_FOR,
+	STM_FOR_VAR,
+	STM_FOR_IN,
+	STM_FOR_IN_VAR,
+	STM_CONTINUE,
+	STM_BREAK,
+	STM_RETURN,
+	STM_WITH,
+	STM_SWITCH,
+	STM_THROW,
+	STM_TRY,
+	STM_DEBUGGER,
+
+	STM_LABEL,
+	STM_CASE,
+	STM_DEFAULT,
+};
+
+typedef struct js_JumpList js_JumpList;
+
+struct js_JumpList
+{
+	enum js_AstType type;
+	int inst;
+	js_JumpList *next;
+};
+
+struct js_Ast
+{
+	enum js_AstType type;
+	int line;
+	js_Ast *parent, *a, *b, *c, *d;
+	double number;
+	const char *string;
+	js_JumpList *jumps; /* list of break/continue jumps to patch */
+	int casejump; /* for switch case clauses */
+	js_Ast *gcnext; /* next in alloc list */
+};
+
+js_Ast *jsP_parsefunction(js_State *J, const char *filename, const char *params, const char *body);
+js_Ast *jsP_parse(js_State *J, const char *filename, const char *source);
+void jsP_freeparse(js_State *J);
+
+/* Compiler */
+
+enum js_OpCode
+{
+	OP_POP,		/* A -- */
+	OP_DUP,		/* A -- A A */
+	OP_DUP2,	/* A B -- A B A B */
+	OP_ROT2,	/* A B -- B A */
+	OP_ROT3,	/* A B C -- C A B */
+	OP_ROT4,	/* A B C D -- D A B C */
+
+	OP_INTEGER,	/* -K- (number-32768) */
+	OP_NUMBER,	/* -N- <number> */
+	OP_STRING,	/* -S- <string> */
+	OP_CLOSURE,	/* -F- <closure> */
+
+	OP_NEWARRAY,
+	OP_NEWOBJECT,
+	OP_NEWREGEXP,	/* -S,opts- <regexp> */
+
+	OP_UNDEF,
+	OP_NULL,
+	OP_TRUE,
+	OP_FALSE,
+
+	OP_THIS,
+	OP_CURRENT,	/* currently executing function object */
+
+	OP_GETLOCAL,	/* -K- <value> */
+	OP_SETLOCAL,	/* <value> -K- <value> */
+	OP_DELLOCAL,	/* -K- false */
+
+	OP_HASVAR,	/* -S- ( <value> | undefined ) */
+	OP_GETVAR,	/* -S- <value> */
+	OP_SETVAR,	/* <value> -S- <value> */
+	OP_DELVAR,	/* -S- <success> */
+
+	OP_IN,		/* <name> <obj> -- <exists?> */
+
+	OP_SKIPARRAY,	/* <obj> -- <obj> */
+	OP_INITARRAY,	/* <obj> <val> -- <obj> */
+	OP_INITPROP,	/* <obj> <key> <val> -- <obj> */
+	OP_INITGETTER,	/* <obj> <key> <closure> -- <obj> */
+	OP_INITSETTER,	/* <obj> <key> <closure> -- <obj> */
+
+	OP_GETPROP,	/* <obj> <name> -- <value> */
+	OP_GETPROP_S,	/* <obj> -S- <value> */
+	OP_SETPROP,	/* <obj> <name> <value> -- <value> */
+	OP_SETPROP_S,	/* <obj> <value> -S- <value> */
+	OP_DELPROP,	/* <obj> <name> -- <success> */
+	OP_DELPROP_S,	/* <obj> -S- <success> */
+
+	OP_ITERATOR,	/* <obj> -- <iobj> */
+	OP_NEXTITER,	/* <iobj> -- ( <iobj> <name> true | false ) */
+
+	OP_EVAL,	/* <args...> -(numargs)- <returnvalue> */
+	OP_CALL,	/* <closure> <this> <args...> -(numargs)- <returnvalue> */
+	OP_NEW,		/* <closure> <args...> -(numargs)- <returnvalue> */
+
+	OP_TYPEOF,
+	OP_POS,
+	OP_NEG,
+	OP_BITNOT,
+	OP_LOGNOT,
+	OP_INC,		/* <x> -- ToNumber(x)+1 */
+	OP_DEC,		/* <x> -- ToNumber(x)-1 */
+	OP_POSTINC,	/* <x> -- ToNumber(x)+1 ToNumber(x) */
+	OP_POSTDEC,	/* <x> -- ToNumber(x)-1 ToNumber(x) */
+
+	OP_MUL,
+	OP_DIV,
+	OP_MOD,
+	OP_ADD,
+	OP_SUB,
+	OP_SHL,
+	OP_SHR,
+	OP_USHR,
+	OP_LT,
+	OP_GT,
+	OP_LE,
+	OP_GE,
+	OP_EQ,
+	OP_NE,
+	OP_STRICTEQ,
+	OP_STRICTNE,
+	OP_JCASE,
+	OP_BITAND,
+	OP_BITXOR,
+	OP_BITOR,
+
+	OP_INSTANCEOF,
+
+	OP_THROW,
+
+	OP_TRY,		/* -ADDR- /jump/ or -ADDR- <exception> */
+	OP_ENDTRY,
+
+	OP_CATCH,	/* push scope chain with exception variable */
+	OP_ENDCATCH,
+
+	OP_WITH,
+	OP_ENDWITH,
+
+	OP_DEBUGGER,
+	OP_JUMP,
+	OP_JTRUE,
+	OP_JFALSE,
+	OP_RETURN,
+};
+
+struct js_Function
+{
+	const char *name;
+	int script;
+	int lightweight;
+	int strict;
+	int arguments;
+	int numparams;
+
+	js_Instruction *code;
+	int codecap, codelen;
+
+	js_Function **funtab;
+	int funcap, funlen;
+
+	const char **vartab;
+	int varcap, varlen;
+
+	const char *filename;
+	int line, lastline;
+
+	js_Function *gcnext;
+	int gcmark;
+};
+
+js_Function *jsC_compilefunction(js_State *J, js_Ast *prog);
+js_Function *jsC_compilescript(js_State *J, js_Ast *prog, int default_strict);
+
+/* Builtins */
+
+void jsB_init(js_State *J);
+void jsB_initobject(js_State *J);
+void jsB_initarray(js_State *J);
+void jsB_initfunction(js_State *J);
+void jsB_initboolean(js_State *J);
+void jsB_initnumber(js_State *J);
+void jsB_initstring(js_State *J);
+void jsB_initregexp(js_State *J);
+void jsB_initerror(js_State *J);
+void jsB_initmath(js_State *J);
+void jsB_initjson(js_State *J);
+void jsB_initdate(js_State *J);
+
+void jsB_propf(js_State *J, const char *name, js_CFunction cfun, int n);
+void jsB_propn(js_State *J, const char *name, double number);
+void jsB_props(js_State *J, const char *name, const char *string);
+
+#endif