mangling-itanium-grammar.md

Itanium C++ mangling

Table of contents

1. General Structure
2. Operator Encodings
3. Other Special Functions and Entities
4. Type encodings
5. Expressions
6. Scope Encoding
7. Closure Types (Lambdas)
8. Compression
9. Index of rules

Source: Itanium C++ ABI

General Structure

mangled-name

Rule	Definitions
mangled-name	_Z encoding

encoding

Rule	Definitions
encoding	name bare-function-type

name

Rule	Definitions
name	nested-name
	unscoped-name

unscoped-name

Rule	Definitions
unscoped-name	unqualified-name

nested-name

Rule	Definitions
nested-name	N [CV-qualifiers] prefix unqualified-name E

prefix

Rule	Definitions
prefix	unqualified-name
	prefix unqualified-name

unqualified-name

Rule	Definitions
unqualified-name	source-name

source-name

Rule	Definitions
source-name	positive-length-number identifier

identifier

Rule	Definitions	Comments
identifier	unqualified-source-code-identifier	identifier is a pseudo-terminal representing the characters in the unqualified identifier for the entity in the source code.

Operator Encodings

Other Special Functions and Entities

Type encodings

type

Rule	Definitions
type	builtin-type
	class-enum-type
	nested-name

CV-qualifiers

Rule	Definitions	Comments
CV-qualifiers	[V] [K]	Volatile, const.

builtin-type

Rule	Definitions	Comments
builtin-type	v	void
	w	wchar_t
	b	bool
	c	char
	s	short
	i	int
	j	unsigned int
	l	long
	f	float
	d	double
	z	ellipsis

bare-function-type

Rule	Definitions
bare-function-type	type +

class-enum-type

Rule	Definitions	Comments
class-enum-type	unscoped-name	Non-dependent type name, dependent type name, or dependent typename-specifier.

Expressions

Scope Encoding

Closure Types (Lambdas)

Compression

Index of rules

• B
  • bare-function-type
  • builtin-type
• C
  • class-enum-type
  • CV-qualifiers
• E
  • encoding
• I
  • identifier
• M
  • mangled-name
• N
  • name
  • nested-name
• P
  • prefix
• S
  • source-name
• T
  • type
• U
  • unqualified-name
  • unscoped-name