http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/b8103f03/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_js_compiler.h
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diff --git
a/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_js_compiler.h
b/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_js_compiler.h
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index 6505a82..0000000
---
a/thirdparty/civetweb-1.9.1/src/third_party/duktape-1.5.2/src-separate/duk_js_compiler.h
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-/*
- * Ecmascript compiler.
- */
-
-#ifndef DUK_JS_COMPILER_H_INCLUDED
-#define DUK_JS_COMPILER_H_INCLUDED
-
-/* ecmascript compiler limits */
-#define DUK_COMPILER_TOKEN_LIMIT 100000000L /* 1e8: protects
against deeply nested inner functions */
-
-/* maximum loopcount for peephole optimization */
-#define DUK_COMPILER_PEEPHOLE_MAXITER 3
-
-/* maximum bytecode length in instructions */
-#define DUK_COMPILER_MAX_BYTECODE_LENGTH (256L * 1024L * 1024L) /* 1 GB */
-
-/*
- * Compiler intermediate values
- *
- * Intermediate values describe either plain values (e.g. strings or
- * numbers) or binary operations which have not yet been coerced into
- * either a left-hand-side or right-hand-side role (e.g. object property).
- */
-
-#define DUK_IVAL_NONE 0 /* no value */
-#define DUK_IVAL_PLAIN 1 /* register, constant, or value */
-#define DUK_IVAL_ARITH 2 /* binary arithmetic; DUK_OP_ADD,
DUK_OP_EQ, other binary ops */
-#define DUK_IVAL_ARITH_EXTRAOP 3 /* binary arithmetic using extraops;
DUK_EXTRAOP_INSTOF etc */
-#define DUK_IVAL_PROP 4 /* property access */
-#define DUK_IVAL_VAR 5 /* variable access */
-
-#define DUK_ISPEC_NONE 0 /* no value */
-#define DUK_ISPEC_VALUE 1 /* value resides in 'valstack_idx' */
-#define DUK_ISPEC_REGCONST 2 /* value resides in a register or constant
*/
-
-/* bit mask which indicates that a regconst is a constant instead of a
register */
-#define DUK_JS_CONST_MARKER 0x80000000UL
-
-/* type to represent a reg/const reference during compilation */
-typedef duk_uint32_t duk_regconst_t;
-
-/* type to represent a straight register reference, with <0 indicating none */
-typedef duk_int32_t duk_reg_t;
-
-typedef struct {
- duk_small_uint_t t; /* DUK_ISPEC_XXX */
- duk_regconst_t regconst;
- duk_idx_t valstack_idx; /* always set; points to a reserved
valstack slot */
-} duk_ispec;
-
-typedef struct {
- /*
- * PLAIN: x1
- * ARITH: x1 <op> x2
- * PROP: x1.x2
- * VAR: x1 (name)
- */
-
- /* XXX: can be optimized for smaller footprint esp. on 32-bit
environments */
- duk_small_uint_t t; /* DUK_IVAL_XXX */
- duk_small_uint_t op; /* bytecode opcode (or extraop) for binary
ops */
- duk_ispec x1;
- duk_ispec x2;
-} duk_ivalue;
-
-/*
- * Bytecode instruction representation during compilation
- *
- * Contains the actual instruction and (optionally) debug info.
- */
-
-struct duk_compiler_instr {
- duk_instr_t ins;
-#if defined(DUK_USE_PC2LINE)
- duk_uint32_t line;
-#endif
-};
-
-/*
- * Compiler state
- */
-
-#define DUK_LABEL_FLAG_ALLOW_BREAK (1 << 0)
-#define DUK_LABEL_FLAG_ALLOW_CONTINUE (1 << 1)
-
-#define DUK_DECL_TYPE_VAR 0
-#define DUK_DECL_TYPE_FUNC 1
-
-/* XXX: optimize to 16 bytes */
-typedef struct {
- duk_small_uint_t flags;
- duk_int_t label_id; /* numeric label_id (-1 reserved as
marker) */
- duk_hstring *h_label; /* borrowed label name */
- duk_int_t catch_depth; /* catch depth at point of definition */
- duk_int_t pc_label; /* pc of label statement:
- * pc+1: break jump site
- * pc+2: continue jump site
- */
-
- /* Fast jumps (which avoid longjmp) jump directly to the jump sites
- * which are always known even while the iteration/switch statement
- * is still being parsed. A final peephole pass "straightens out"
- * the jumps.
- */
-} duk_labelinfo;
-
-/* Compiling state of one function, eventually converted to
duk_hcompiledfunction */
-struct duk_compiler_func {
- /* These pointers are at the start of the struct so that they pack
- * nicely. Mixing pointers and integer values is bad on some
- * platforms (e.g. if int is 32 bits and pointers are 64 bits).
- */
-
- duk_bufwriter_ctx bw_code; /* bufwriter for code */
-
- duk_hstring *h_name; /* function name (borrowed
reference), ends up in _name */
- /* h_code: held in bw_code */
- duk_hobject *h_consts; /* array */
- duk_hobject *h_funcs; /* array of function templates:
[func1, offset1, line1, func2, offset2, line2]
- * offset/line points to closing
brace to allow skipping on pass 2
- */
- duk_hobject *h_decls; /* array of declarations: [ name1,
val1, name2, val2, ... ]
- * valN = (typeN) | (fnum << 8),
where fnum is inner func number (0 for vars)
- * record function and variable
declarations in pass 1
- */
- duk_hobject *h_labelnames; /* array of active label names */
- duk_hbuffer_dynamic *h_labelinfos; /* C array of duk_labelinfo */
- duk_hobject *h_argnames; /* array of formal argument names
(-> _Formals) */
- duk_hobject *h_varmap; /* variable map for pass 2
(identifier -> register number or null (unmapped)) */
-
- /* value stack indices for tracking objects */
- /* code_idx: not needed */
- duk_idx_t consts_idx;
- duk_idx_t funcs_idx;
- duk_idx_t decls_idx;
- duk_idx_t labelnames_idx;
- duk_idx_t labelinfos_idx;
- duk_idx_t argnames_idx;
- duk_idx_t varmap_idx;
-
- /* temp reg handling */
- duk_reg_t temp_first; /* first register that is a
temporary (below: variables) */
- duk_reg_t temp_next; /* next temporary register to
allocate */
- duk_reg_t temp_max; /* highest value of temp_reg
(temp_max - 1 is highest used reg) */
-
- /* shuffle registers if large number of regs/consts */
- duk_reg_t shuffle1;
- duk_reg_t shuffle2;
- duk_reg_t shuffle3;
-
- /* stats for current expression being parsed */
- duk_int_t nud_count;
- duk_int_t led_count;
- duk_int_t paren_level; /* parenthesis count, 0 = top level
*/
- duk_bool_t expr_lhs; /* expression is left-hand-side
compatible */
- duk_bool_t allow_in; /* current paren level allows 'in'
token */
-
- /* misc */
- duk_int_t stmt_next; /* statement id allocation (running
counter) */
- duk_int_t label_next; /* label id allocation (running
counter) */
- duk_int_t catch_depth; /* catch stack depth */
- duk_int_t with_depth; /* with stack depth (affects
identifier lookups) */
- duk_int_t fnum_next; /* inner function numbering */
- duk_int_t num_formals; /* number of formal arguments */
- duk_reg_t reg_stmt_value; /* register for writing value of
'non-empty' statements (global or eval code), -1 is marker */
-#if defined(DUK_USE_DEBUGGER_SUPPORT)
- duk_int_t min_line; /* XXX: typing
(duk_hcompiledfunction has duk_uint32_t) */
- duk_int_t max_line;
-#endif
-
- /* status booleans */
- duk_bool_t is_function; /* is an actual function (not
global/eval code) */
- duk_bool_t is_eval; /* is eval code */
- duk_bool_t is_global; /* is global code */
- duk_bool_t is_setget; /* is a setter/getter */
- duk_bool_t is_decl; /* is a function declaration (as
opposed to function expression) */
- duk_bool_t is_strict; /* function is strict */
- duk_bool_t is_notail; /* function must not be tail called
*/
- duk_bool_t in_directive_prologue; /* parsing in "directive prologue",
recognize directives */
- duk_bool_t in_scanning; /* parsing in "scanning" phase
(first pass) */
- duk_bool_t may_direct_eval; /* function may call direct eval */
- duk_bool_t id_access_arguments; /* function refers to 'arguments'
identifier */
- duk_bool_t id_access_slow; /* function makes one or more slow
path accesses */
- duk_bool_t is_arguments_shadowed; /* argument/function declaration
shadows 'arguments' */
- duk_bool_t needs_shuffle; /* function needs shuffle registers
*/
- duk_bool_t reject_regexp_in_adv; /* reject RegExp literal on next
advance() call; needed for handling IdentifierName productions */
-};
-
-struct duk_compiler_ctx {
- duk_hthread *thr;
-
- /* filename being compiled (ends up in functions' '_filename' property)
*/
- duk_hstring *h_filename; /* borrowed reference */
-
- /* lexing (tokenization) state (contains two valstack slot indices) */
- duk_lexer_ctx lex;
-
- /* current and previous token for parsing */
- duk_token prev_token;
- duk_token curr_token;
- duk_idx_t tok11_idx; /* curr_token slot1 (matches 'lex'
slot1_idx) */
- duk_idx_t tok12_idx; /* curr_token slot2 (matches 'lex'
slot2_idx) */
- duk_idx_t tok21_idx; /* prev_token slot1 */
- duk_idx_t tok22_idx; /* prev_token slot2 */
-
- /* recursion limit */
- duk_int_t recursion_depth;
- duk_int_t recursion_limit;
-
- /* code emission temporary */
- duk_int_t emit_jumpslot_pc;
-
- /* current function being compiled (embedded instead of pointer for
more compact access) */
- duk_compiler_func curr_func;
-};
-
-/*
- * Prototypes
- */
-
-#define DUK_JS_COMPILE_FLAG_EVAL (1 << 0) /* source is eval code (not
global) */
-#define DUK_JS_COMPILE_FLAG_STRICT (1 << 1) /* strict outer context */
-#define DUK_JS_COMPILE_FLAG_FUNCEXPR (1 << 2) /* source is a function
expression (used for Function constructor) */
-
-DUK_INTERNAL_DECL void duk_js_compile(duk_hthread *thr, const duk_uint8_t
*src_buffer, duk_size_t src_length, duk_small_uint_t flags);
-
-#endif /* DUK_JS_COMPILER_H_INCLUDED */
