parser.hpp File Reference

#include <sysio/vm/allocator.hpp>
#include <sysio/vm/constants.hpp>
#include <sysio/vm/exceptions.hpp>
#include <sysio/vm/leb128.hpp>
#include <sysio/vm/options.hpp>
#include <sysio/vm/sections.hpp>
#include <sysio/vm/types.hpp>
#include <sysio/vm/utils.hpp>
#include <sysio/vm/vector.hpp>
#include <sysio/vm/debug_info.hpp>
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <utility>
#include <variant>
#include <vector>

Include dependency graph for parser.hpp:

Go to the source code of this file.

Classes
struct	sysio::vm::detail::max_mutable_globals_checker< Options, Enable >
struct	sysio::vm::detail::max_mutable_globals_checker< Options, std::void_t< max_mutable_globals_t< Options > > >
struct	sysio::vm::detail::max_func_local_bytes_checker< Options, Enable >
struct	sysio::vm::detail::max_func_local_bytes_checker< Options, std::void_t< decltype(std::declval< Options >().max_func_local_bytes)> >
struct	sysio::vm::detail::max_func_local_bytes_stack_checker< Options, Enable >
struct	sysio::vm::detail::max_func_local_bytes_stack_checker< Options, std::enable_if_t<!max_func_local_bytes_checker< Options >::is_defined||get_max_func_local_bytes_no_stack_c< Options >(0)> >
struct	sysio::vm::detail::sysio_max_nested_structures_checker< Options, Enable >
struct	sysio::vm::detail::sysio_max_nested_structures_checker< Options, std::void_t< decltype(std::declval< Options >().sysio_max_nested_structures)> >
class	sysio::vm::binary_parser< Writer, Options, DebugInfo >
struct	sysio::vm::binary_parser< Writer, Options, DebugInfo >::pc_element_t
struct	sysio::vm::binary_parser< Writer, Options, DebugInfo >::operand_stack_type_tracker
struct	sysio::vm::binary_parser< Writer, Options, DebugInfo >::local_types_t

Namespaces
namespace	sysio
namespace	sysio::vm
namespace	sysio::vm::detail

Macros
#define	PARSER_OPTION(name, default_, type)
#define	MAX_ELEMENTS(name, default_)
#define	LOAD_OP(op_name, max_align, type)
#define	STORE_OP(op_name, max_align, type)
#define	UNOP(opname)
#define	BINOP(opname)
#define	CASTOP(dst, opname, src)
#define	R   i32
#define	A   i32
#define	A   i64
#define	A   f32
#define	A   f64
#define	R   A
#define	A   i32
#define	A   i64
#define	A   f32
#define	A   f64

Typedefs
template<typename Options >
using	sysio::vm::detail::max_mutable_globals_t = decltype(std::declval<Options>().max_mutable_global_bytes)

Functions
	sysio::vm::detail::PARSER_OPTION (max_func_local_bytes_flags, max_func_local_bytes_flags_t::locals|max_func_local_bytes_flags_t::stack, max_func_local_bytes_flags_t)
template<typename Options >
constexpr auto	sysio::vm::detail::get_max_func_local_bytes_no_stack_c (int) -> std::enable_if_t< std::is_pointer_v< decltype(&Options::max_func_local_bytes_flags)>, bool >
template<typename Options >
constexpr auto	sysio::vm::detail::get_max_func_local_bytes_no_stack_c (long) -> bool
	sysio::vm::detail::PARSER_OPTION (forbid_export_mutable_globals, false, bool)
	sysio::vm::detail::PARSER_OPTION (allow_code_after_function_end, false, bool)
	sysio::vm::detail::PARSER_OPTION (allow_u32_limits_flags, false, bool)
	sysio::vm::detail::PARSER_OPTION (allow_invalid_empty_local_set, false, bool)
	sysio::vm::detail::PARSER_OPTION (parse_custom_section_name, false, bool)

Macro Definition Documentation

A [1/8]

#define A   i32

A [2/8]

#define A   i64

A [3/8]

#define A   f32

A [4/8]

#define A   f64

A [5/8]

#define A   i32

A [6/8]

#define A   i64

A [7/8]

#define A   f32

A [8/8]

#define A   f64

BINOP

#define BINOP

(

opname

)

Value:

               case opcodes::opname: check_in_bounds(); code_writer.emit_ ## opname(); op_stack.pop(types::A); op_stack.pop(types::A); op_stack.push(types::R); break;

CASTOP

#define CASTOP	(		dst,
			opname,
			src )

Value:

               case opcodes::dst ## _ ## opname ## _ ## src: check_in_bounds(); code_writer.emit_ ## dst ## _ ## opname ## _ ## src(); op_stack.pop(types::src); op_stack.push(types::dst); break;

LOAD_OP

#define LOAD_OP	(		op_name,
			max_align,
			type )

Value:

               case opcodes::op_name: {                              \
                  check_in_bounds();                                 \
                  SYS_VM_ASSERT(_mod->memories.size() > 0, wasm_parse_exception, "load requires memory"); \
                  uint32_t alignment = parse_varuint32(code);        \
                  uint32_t offset = parse_varuint32(code);           \
                  SYS_VM_ASSERT(alignment <= uint32_t(max_align), wasm_parse_exception, "alignment cannot be greater than size."); \
                  SYS_VM_ASSERT(offset <= detail::get_max_memory_offset(_options), wasm_parse_exception, "load offset too large."); \
                  op_stack.pop(types::i32);                          \
                  op_stack.push(types::type);                        \
                  code_writer.emit_ ## op_name( alignment, offset ); \
               } break;

MAX_ELEMENTS

#define MAX_ELEMENTS	(		name,
			default_ )

Value:

   PARSER_OPTION(name, default_, std::uint32_t)

Definition at line 66 of file parser.hpp.

#define MAX_ELEMENTS(name, default_)\
   PARSER_OPTION(name, default_, std::uint32_t)

PARSER_OPTION

#define PARSER_OPTION	(		name,
			default_,
			type )

Value:

   template<typename Options>                                                 \
   type get_ ## name(const Options& options, long) { (void)options; return default_; } \
   template<typename Options>                                                 \
   auto get_ ## name(const Options& options, int) -> decltype(options.name) { \
     return options.name;                                                     \
   }                                                                          \
   template<typename Options>                                                 \
   type get_ ## name(const Options& options) { return detail::get_ ## name(options, 0); }

Definition at line 56 of file parser.hpp.

#define PARSER_OPTION(name, default_, type)                                   \
   template<typename Options>                                                 \
   type get_ ## name(const Options& options, long) { (void)options; return default_; } \
   template<typename Options>                                                 \
   auto get_ ## name(const Options& options, int) -> decltype(options.name) { \
     return options.name;                                                     \
   }                                                                          \
   template<typename Options>                                                 \
   type get_ ## name(const Options& options) { return detail::get_ ## name(options, 0); }

R [1/2]

#define R   i32

R [2/2]

#define R   A

STORE_OP

#define STORE_OP	(		op_name,
			max_align,
			type )

Value:

               case opcodes::op_name: {                              \
                  check_in_bounds();                                 \
                  SYS_VM_ASSERT(_mod->memories.size() > 0, wasm_parse_exception, "store requires memory"); \
                  uint32_t alignment = parse_varuint32(code);        \
                  uint32_t offset = parse_varuint32(code);           \
                  SYS_VM_ASSERT(alignment <= uint32_t(max_align), wasm_parse_exception, "alignment cannot be greater than size."); \
                  SYS_VM_ASSERT(offset <= detail::get_max_memory_offset(_options), wasm_parse_exception, "store offset too large."); \
                  op_stack.pop(types::type);                         \
                  op_stack.pop(types::i32);                          \
                  code_writer.emit_ ## op_name( alignment, offset ); \
               } break;

UNOP

#define UNOP

(

opname

)

Value:

               case opcodes::opname: check_in_bounds(); code_writer.emit_ ## opname(); op_stack.pop(types::A); op_stack.push(types::R); break;