mirror of
https://github.com/matrix-construct/construct
synced 2024-12-25 15:04:10 +01:00
ircd::js: Remove xdr.
This commit is contained in:
Jason Volk
parent
9aedac4461
commit
1d11659c43
4 changed files with 0 additions and 623 deletions
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@ -75,7 +75,6 @@ using ircd::operator<<;
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#include "del.h"
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#include "vector.h"
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#include "for_each.h"
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#include "xdr.h"
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#include "script.h"
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#include "module.h"
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#include "args.h"
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@ -1,234 +0,0 @@
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// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_JS_XDR_H
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namespace ircd {
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namespace js {
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struct xdr
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{
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struct header;
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struct atom;
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struct binding;
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struct sourcecode;
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struct sourcemap;
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struct displayurl;
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struct filename;
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struct source;
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struct op;
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struct bytecode;
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struct srcnote;
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struct consts;
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struct object;
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const struct header *header;
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const struct sourcecode *sourcecode;
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const struct sourcemap *sourcemap;
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const struct displayurl *displayurl;
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const struct filename *filename;
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const struct source *source;
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const uint32_t *body_scope_index;
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const struct bytecode *bytecode;
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const struct srcnote *srcnote;
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const struct atom *atom;
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const struct binding *binding;
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const struct consts *consts;
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const struct object *object;
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void for_each_atom(const std::function<void (const struct atom &)> &) const;
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void for_each_binding(const std::function<void (const struct binding &)> &) const;
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void for_each_bytecode(const std::function<void (const struct bytecode &)> &) const;
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void for_each_const(const std::function<void (const struct consts &)> &) const;
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void for_each_object(const std::function<void (const struct object &)> &) const;
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xdr(const const_buffer &);
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};
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// Punnable
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struct xdr::header
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{
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uint32_t build_id_length; // Always 4 for IRCd build_id codes
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uint32_t build_id; // Custom IRCd 4 byte build_id code
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uint32_t length;
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uint32_t prologue_length;
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uint32_t version;
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uint32_t n_atoms;
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uint32_t n_srcnotes;
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uint32_t n_consts;
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uint32_t n_objects;
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uint32_t n_scopes;
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uint32_t n_try_notes;
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uint32_t n_scope_notes;
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uint32_t n_yield_offsets;
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uint32_t n_typesets;
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uint32_t fun_length;
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uint32_t script_bits;
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size_t num_names() const;
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size_t num_bindings() const;
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// debug print
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friend std::ostream &operator<<(std::ostream &, const header &);
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};
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struct xdr::sourcecode
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{
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uint8_t has_source;
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uint8_t retrievable;
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uint32_t length;
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uint32_t compressed_length;
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uint8_t arguments_not_included;
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const char16_t code[0];
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// debug print
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friend std::ostream &operator<<(std::ostream &, const sourcecode &);
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}
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__attribute__((packed));
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struct xdr::sourcemap
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{
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uint8_t have;
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uint32_t len;
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const char16_t url[0];
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}
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__attribute__((packed));
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struct xdr::displayurl
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{
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uint8_t have;
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uint32_t len;
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const char16_t url[0];
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}
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__attribute__((packed));
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struct xdr::filename
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{
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uint8_t have;
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const char name[0];
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};
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struct xdr::source
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{
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uint32_t start;
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uint32_t end;
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uint32_t lineno;
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uint32_t column;
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uint32_t nfixed;
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uint32_t nslots;
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friend std::ostream &operator<<(std::ostream &, const source &);
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};
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struct xdr::bytecode
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{
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struct info;
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static std::array<struct info, 256> info;
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uint8_t byte;
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uint8_t operand[0];
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};
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struct xdr::bytecode::info
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{
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const char *name;
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uint8_t length;
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uint8_t push;
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uint8_t pop;
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};
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const struct xdr::bytecode::info &info(const struct xdr::bytecode &);
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struct xdr::srcnote
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{
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uint8_t note;
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};
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struct xdr::atom
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{
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uint32_t encoding : 1; // 1 = latin1; 0 = ucs2
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uint32_t length : 31;
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union
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{
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const char latin1[0];
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const char16_t ucs2[0];
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};
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};
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static_assert(sizeof(struct xdr::atom) == 4, "");
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struct xdr::object
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{
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struct block
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{
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};
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struct with
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{
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};
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struct function
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{
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uint32_t scope_index;
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uint32_t first_word;
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uint32_t flags_word;
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//struct xdr xdr;
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};
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struct literal
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{
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uint32_t is_array;
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uint32_t n_properties;
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};
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uint32_t classk; union
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{
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struct block block;
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struct with with;
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struct function function;
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struct literal literal;
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};
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};
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struct xdr::consts
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{
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uint32_t tag; union
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{
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uint32_t u32;
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double dbl;
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struct xdr::atom atom;
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struct xdr::object object;
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};
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};
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size_t length(const struct xdr::consts &consts);
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struct xdr::binding
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{
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uint8_t aliased : 1;
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uint8_t kind : 7;
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};
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static_assert(sizeof(struct xdr::binding) == 1, "");
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size_t length(const struct xdr::object::block &);
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size_t length(const struct xdr::object::with &);
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size_t length(const struct xdr::object::function &);
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size_t length(const struct xdr::object::literal &);
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size_t length(const struct xdr::object &);
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} // namespace js
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} // namespace ircd
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inline const struct ircd::js::xdr::bytecode::info &
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ircd::js::info(const struct xdr::bytecode &bytecode)
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{
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return bytecode.info[bytecode.byte];
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}
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@ -135,7 +135,6 @@ endif
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if JS
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libircd_la_SOURCES += \
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js.cc \
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xdr.cc \
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###
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endif
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387
ircd/xdr.cc
387
ircd/xdr.cc
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@ -1,387 +0,0 @@
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// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#include <ircd/js/js.h>
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#include <js/Initialization.h>
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#include <mozilla/ThreadLocal.h>
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namespace ircd {
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namespace js {
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decltype(xdr::bytecode::info) xdr::bytecode::info
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{
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0
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};
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} // namespace js
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} // namespace ircd
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std::ostream &
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ircd::js::operator<<(std::ostream &s, const struct xdr::header &h)
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{
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s << std::setw(34) << std::left << "build_id_length" << h.build_id_length << std::endl;
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s << std::setw(34) << std::left << "build_id" << h.build_id << std::endl;
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s << std::setw(34) << std::left << "length" << h.length << std::endl;
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s << std::setw(34) << std::left << "prologue_length" << h.prologue_length << std::endl;
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s << std::setw(34) << std::left << "version" << h.version << std::endl;
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s << std::setw(34) << std::left << "n_atoms" << h.n_atoms << std::endl;
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s << std::setw(34) << std::left << "n_srcnotes" << h.n_srcnotes << std::endl;
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s << std::setw(34) << std::left << "n_consts" << h.n_consts << std::endl;
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s << std::setw(34) << std::left << "n_objects" << h.n_objects << std::endl;
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s << std::setw(34) << std::left << "n_scopes" << h.n_scopes << std::endl;
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s << std::setw(34) << std::left << "n_try_notes" << h.n_try_notes << std::endl;
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s << std::setw(34) << std::left << "n_scope_notes" << h.n_scope_notes << std::endl;
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s << std::setw(34) << std::left << "n_yield_offsets" << h.n_yield_offsets << std::endl;
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s << std::setw(34) << std::left << "n_typesets" << h.n_typesets << std::endl;
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s << std::setw(34) << std::left << "fun_length" << h.fun_length << std::endl;
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s << std::setw(34) << std::left << "script_bits" << h.script_bits << std::endl;
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return s;
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}
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std::ostream &
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ircd::js::operator<<(std::ostream &s, const struct xdr::sourcecode &h)
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{
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s << std::setw(34) << std::left << "has_source" << bool(h.has_source) << std::endl;
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s << std::setw(34) << std::left << "retrievable" << bool(h.retrievable) << std::endl;
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s << std::setw(34) << std::left << "length" << h.length << std::endl;
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s << std::setw(34) << std::left << "compressed_length" << h.compressed_length << std::endl;
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s << std::setw(34) << std::left << "arguments_not_included" << bool(h.arguments_not_included) << std::endl;
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return s;
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}
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std::ostream &
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ircd::js::operator<<(std::ostream &s, const struct xdr::source &h)
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{
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s << std::setw(34) << std::left << "start" << h.start << std::endl;
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s << std::setw(34) << std::left << "end" << h.end << std::endl;
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s << std::setw(34) << std::left << "lineno" << h.lineno << std::endl;
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s << std::setw(34) << std::left << "column" << h.column << std::endl;
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s << std::setw(34) << std::left << "nfixed" << h.nfixed << std::endl;
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s << std::setw(34) << std::left << "nslots" << h.nslots << std::endl;
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return s;
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}
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__attribute__((optimize("-O0")))
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ircd::js::xdr::xdr(const const_buffer &buf)
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:header
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{
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reinterpret_cast<const struct header *>(data(buf))
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}
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,sourcecode{[this]() -> const struct sourcecode *
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{
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if(this->header->script_bits & ~(1 << 14))
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return nullptr;
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return reinterpret_cast<const struct sourcecode *>(this->header + 1);
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}()}
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,sourcemap{[this]
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{
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//assert(this->sourcecode->has_source);
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assert(!this->sourcecode->compressed_length);
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const auto *const ptr
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{
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reinterpret_cast<const uint8_t *>(this->sourcecode->code + this->sourcecode->length)
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};
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return reinterpret_cast<const struct sourcemap *>(ptr);
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}()}
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,displayurl{[this]
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{
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if(!this->sourcemap->have)
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{
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const auto ptr(reinterpret_cast<const uint8_t *>(this->sourcemap) + 1);
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return reinterpret_cast<const struct displayurl *>(ptr);
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}
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const auto ptr(reinterpret_cast<const uint8_t *>(this->sourcemap->url + this->sourcemap->len));
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return reinterpret_cast<const struct displayurl *>(ptr);
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}()}
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,filename{[this]
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{
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if(!this->displayurl->have)
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{
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const auto ptr(reinterpret_cast<const uint8_t *>(this->displayurl) + 1);
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return reinterpret_cast<const struct filename *>(ptr);
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}
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const auto ptr(reinterpret_cast<const uint8_t *>(this->displayurl->url + this->displayurl->len));
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return reinterpret_cast<const struct filename *>(ptr);
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}()}
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,source{[this]
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{
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if(!this->filename->have)
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{
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const auto ptr(reinterpret_cast<const uint8_t *>(this->filename) + 1);
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return reinterpret_cast<const struct source *>(ptr);
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}
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const auto ptr
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{
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reinterpret_cast<const uint8_t *>(this->filename->name + strlen(this->filename->name))
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};
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return reinterpret_cast<const struct source *>(ptr);
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}()}
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,body_scope_index{[this]
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{
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return reinterpret_cast<const uint32_t *>(this->source + 1);
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}()}
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,bytecode{[this]
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{
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return reinterpret_cast<const struct bytecode *>(this->body_scope_index + 1);
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}()}
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,srcnote{[this]
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{
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const auto ptr
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{
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reinterpret_cast<const uint8_t *>(this->bytecode) + this->header->length
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};
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return reinterpret_cast<const struct srcnote *>(ptr);
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}()}
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,atom{[this]
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{
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const auto ptr
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{
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this->srcnote + this->header->n_srcnotes
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};
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return reinterpret_cast<const struct atom *>(ptr);
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}()}
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,consts{[this]
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{
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const auto *ptr
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{
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reinterpret_cast<const uint8_t *>(this->atom)
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};
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for_each_atom([&ptr](const struct atom &atom)
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{
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ptr += sizeof(struct atom) + atom.length;
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});
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return reinterpret_cast<const struct consts *>(ptr);
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}()}
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/*
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,name
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{
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reinterpret_cast<const struct atom *>(data(buf) + sizeof(struct header))
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}
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,binding{[this]
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{
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const auto *ret
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{
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reinterpret_cast<const uint8_t *>(this->name)
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};
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for_each_name([&ret](const struct atom &atom)
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{
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ret += sizeof(struct atom) + atom.length;
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});
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return reinterpret_cast<const struct binding *>(ret);
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}()}
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,object{[this]
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{
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const auto *ptr(reinterpret_cast<const uint8_t *>(this->consts));
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for_each_const([&ptr](const struct consts &c)
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{
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ptr += length(c);
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});
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return reinterpret_cast<const struct object *>(ptr);
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}()}
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*/
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{
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}
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void
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ircd::js::xdr::for_each_object(const std::function<void (const struct object &)> &cb)
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const
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{
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auto object(this->object);
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const auto *ptr(reinterpret_cast<const uint8_t *>(object));
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for(size_t i(0); i < header->n_objects; i++)
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{
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cb(*object);
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ptr += length(*object);
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object = reinterpret_cast<const struct object *>(ptr);
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}
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}
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void
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ircd::js::xdr::for_each_const(const std::function<void (const struct consts &)> &cb)
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const
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{
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auto consts(this->consts);
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const auto *ptr
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{
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reinterpret_cast<const uint8_t *>(this->consts)
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};
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for(size_t i(0); i< header->n_consts; i++)
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{
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cb(*consts);
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ptr += length(*consts);
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consts = reinterpret_cast<const struct consts *>(ptr);
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}
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}
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void
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ircd::js::xdr::for_each_bytecode(const std::function<void (const struct bytecode &)> &cb)
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const
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{
|
||||
const uint8_t *const start(reinterpret_cast<const uint8_t *>(bytecode));
|
||||
const uint8_t *ptr(reinterpret_cast<const uint8_t *>(bytecode));
|
||||
for(; ptr < start + header->length;)
|
||||
{
|
||||
const auto &bytecode(*reinterpret_cast<const struct bytecode *>(ptr));
|
||||
ptr += info(bytecode).length;
|
||||
cb(bytecode);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
ircd::js::xdr::for_each_binding(const std::function<void (const struct binding &)> &cb)
|
||||
const
|
||||
{
|
||||
const auto *binding(this->binding);
|
||||
const size_t bindings(header->num_names());
|
||||
for(; binding < this->binding + bindings; ++binding)
|
||||
cb(*binding);
|
||||
}
|
||||
|
||||
void
|
||||
ircd::js::xdr::for_each_atom(const std::function<void (const struct atom &)> &cb)
|
||||
const
|
||||
{
|
||||
const uint8_t *ptr(reinterpret_cast<const uint8_t *>(atom));
|
||||
for(size_t i(0); i < header->n_atoms; ++i)
|
||||
{
|
||||
const auto &atom
|
||||
{
|
||||
*reinterpret_cast<const struct atom *>(ptr)
|
||||
};
|
||||
|
||||
cb(atom);
|
||||
ptr += sizeof(struct atom) + atom.length;
|
||||
static_assert(sizeof(struct atom) == 4);
|
||||
}
|
||||
}
|
||||
|
||||
size_t
|
||||
ircd::js::xdr::header::num_bindings()
|
||||
const
|
||||
{
|
||||
return num_names();
|
||||
}
|
||||
|
||||
size_t
|
||||
ircd::js::xdr::header::num_names()
|
||||
const
|
||||
{
|
||||
return 0;//return n_args + n_vars + n_body_level_lexicals;
|
||||
}
|
||||
|
||||
|
||||
size_t
|
||||
ircd::js::length(const struct xdr::consts &consts)
|
||||
{
|
||||
switch(consts.tag)
|
||||
{
|
||||
case 0: return 4 + 4; // ::js::SCRIPT_INT
|
||||
case 1: return 4 + 8; // ::js::SCRIPT_DOUBLE
|
||||
case 2: // ::js::SCRIPT_ATOM
|
||||
return 4 + 4;
|
||||
//return 4 + 4 + consts.atom.length;
|
||||
|
||||
case 3: return 4 + 0; // ::js::SCRIPT_TRUE
|
||||
case 4: return 4 + 0; // ::js::SCRIPT_FALSE
|
||||
case 5: return 4 + 0; // ::js::SCRIPT_NULL
|
||||
case 6: // ::js::SCRIPT_OBJECT
|
||||
throw error("unsupported consts (object)");
|
||||
|
||||
case 7: return 4 + 0; // ::js::SCRIPT_VOID
|
||||
case 8: return 4 + 0; // ::js::SCRIPT_HOLE
|
||||
|
||||
default:
|
||||
throw error("unsupported consts tag [%u]", consts.tag);
|
||||
}
|
||||
}
|
||||
|
||||
size_t
|
||||
ircd::js::length(const struct xdr::object &object)
|
||||
{
|
||||
switch(object.classk)
|
||||
{
|
||||
case 0: return 4 + length(object.block);
|
||||
case 1: return 4 + length(object.with);
|
||||
case 2: return 4 + length(object.function);
|
||||
case 3: return 4 + length(object.literal);
|
||||
default:
|
||||
throw error("unsupported object class kind [%u]", object.classk);
|
||||
}
|
||||
}
|
||||
|
||||
size_t
|
||||
ircd::js::length(const struct xdr::object::literal &literal)
|
||||
{
|
||||
size_t ret(0);
|
||||
const auto *ptr(reinterpret_cast<const uint8_t *>(&literal) + 8);
|
||||
for(size_t i(0); i < literal.n_properties; ++i)
|
||||
{
|
||||
const auto prop(reinterpret_cast<const struct xdr::consts *>(ptr + ret));
|
||||
printf("i[%zu] atom [%u] length [%u]\n", i, prop->u32, prop->atom.length);
|
||||
const auto len(length(*prop));
|
||||
ret += 8;
|
||||
}
|
||||
|
||||
return 8 + ret;
|
||||
}
|
||||
|
||||
size_t
|
||||
ircd::js::length(const struct xdr::object::function &function)
|
||||
{
|
||||
return 12;
|
||||
}
|
||||
|
||||
size_t
|
||||
ircd::js::length(const struct xdr::object::with &with)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
size_t
|
||||
ircd::js::length(const struct xdr::object::block &block)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
__attribute__((constructor))
|
||||
void
|
||||
init_opcodes()
|
||||
{
|
||||
using xdr = ircd::js::xdr;
|
||||
|
||||
#define IRCD_JS_INIT_OP(code, value, name, image, len, nuses, ndefs, format) \
|
||||
xdr::bytecode::info[value] = { name, uint8_t(len), uint8_t(ndefs), uint8_t(nuses) };
|
||||
|
||||
static const auto js_undefined_str("");
|
||||
static const auto js_false_str("false");
|
||||
static const auto js_true_str("false");
|
||||
static const auto js_void_str("void");
|
||||
static const auto js_null_str("null");
|
||||
static const auto js_throw_str("throw");
|
||||
static const auto js_in_str("in");
|
||||
static const auto js_instanceof_str("instanceOf");
|
||||
static const auto js_typeof_str("typeOf");
|
||||
|
||||
FOR_EACH_OPCODE(IRCD_JS_INIT_OP);
|
||||
}
|
||||
Loading…
Reference in a new issue