diff options
Diffstat (limited to 'include/demangle.h')
| -rw-r--r-- | include/demangle.h | 368 |
1 files changed, 3 insertions, 365 deletions
diff --git a/include/demangle.h b/include/demangle.h index 6e995e481..bff266931 100644 --- a/include/demangle.h +++ b/include/demangle.h @@ -1,6 +1,6 @@ /* Defs for interface to demanglers. - Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, - 2003, 2004 Free Software Foundation, Inc. + Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002 + Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -21,7 +21,7 @@ #if !defined (DEMANGLE_H) #define DEMANGLE_H -#include "libiberty.h" +#include "ansidecl.h" #ifdef __cplusplus extern "C" { @@ -164,368 +164,6 @@ enum gnu_v3_dtor_kinds { extern enum gnu_v3_dtor_kinds is_gnu_v3_mangled_dtor PARAMS ((const char *name)); -/* The V3 demangler works in two passes. The first pass builds a tree - representation of the mangled name, and the second pass turns the - tree representation into a demangled string. Here we define an - interface to permit a caller to build their own tree - representation, which they can pass to the demangler to get a - demangled string. This can be used to canonicalize user input into - something which the demangler might output. It could also be used - by other demanglers in the future. */ - -/* These are the component types which may be found in the tree. Many - component types have one or two subtrees, referred to as left and - right (a component type with only one subtree puts it in the left - subtree). */ - -enum demangle_component_type -{ - /* A name, with a length and a pointer to a string. */ - DEMANGLE_COMPONENT_NAME, - /* A qualified name. The left subtree is a class or namespace or - some such thing, and the right subtree is a name qualified by - that class. */ - DEMANGLE_COMPONENT_QUAL_NAME, - /* A local name. The left subtree describes a function, and the - right subtree is a name which is local to that function. */ - DEMANGLE_COMPONENT_LOCAL_NAME, - /* A typed name. The left subtree is a name, and the right subtree - describes that name as a function. */ - DEMANGLE_COMPONENT_TYPED_NAME, - /* A template. The left subtree is a template name, and the right - subtree is a template argument list. */ - DEMANGLE_COMPONENT_TEMPLATE, - /* A template parameter. This holds a number, which is the template - parameter index. */ - DEMANGLE_COMPONENT_TEMPLATE_PARAM, - /* A constructor. This holds a name and the kind of - constructor. */ - DEMANGLE_COMPONENT_CTOR, - /* A destructor. This holds a name and the kind of destructor. */ - DEMANGLE_COMPONENT_DTOR, - /* A vtable. This has one subtree, the type for which this is a - vtable. */ - DEMANGLE_COMPONENT_VTABLE, - /* A VTT structure. This has one subtree, the type for which this - is a VTT. */ - DEMANGLE_COMPONENT_VTT, - /* A construction vtable. The left subtree is the type for which - this is a vtable, and the right subtree is the derived type for - which this vtable is built. */ - DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE, - /* A typeinfo structure. This has one subtree, the type for which - this is the tpeinfo structure. */ - DEMANGLE_COMPONENT_TYPEINFO, - /* A typeinfo name. This has one subtree, the type for which this - is the typeinfo name. */ - DEMANGLE_COMPONENT_TYPEINFO_NAME, - /* A typeinfo function. This has one subtree, the type for which - this is the tpyeinfo function. */ - DEMANGLE_COMPONENT_TYPEINFO_FN, - /* A thunk. This has one subtree, the name for which this is a - thunk. */ - DEMANGLE_COMPONENT_THUNK, - /* A virtual thunk. This has one subtree, the name for which this - is a virtual thunk. */ - DEMANGLE_COMPONENT_VIRTUAL_THUNK, - /* A covariant thunk. This has one subtree, the name for which this - is a covariant thunk. */ - DEMANGLE_COMPONENT_COVARIANT_THUNK, - /* A Java class. This has one subtree, the type. */ - DEMANGLE_COMPONENT_JAVA_CLASS, - /* A guard variable. This has one subtree, the name for which this - is a guard variable. */ - DEMANGLE_COMPONENT_GUARD, - /* A reference temporary. This has one subtree, the name for which - this is a temporary. */ - DEMANGLE_COMPONENT_REFTEMP, - /* A standard substitution. This holds the name of the - substitution. */ - DEMANGLE_COMPONENT_SUB_STD, - /* The restrict qualifier. The one subtree is the type which is - being qualified. */ - DEMANGLE_COMPONENT_RESTRICT, - /* The volatile qualifier. The one subtree is the type which is - being qualified. */ - DEMANGLE_COMPONENT_VOLATILE, - /* The const qualifier. The one subtree is the type which is being - qualified. */ - DEMANGLE_COMPONENT_CONST, - /* The restrict qualifier modifying a member function. The one - subtree is the type which is being qualified. */ - DEMANGLE_COMPONENT_RESTRICT_THIS, - /* The volatile qualifier modifying a member function. The one - subtree is the type which is being qualified. */ - DEMANGLE_COMPONENT_VOLATILE_THIS, - /* The const qualifier modifying a member function. The one subtree - is the type which is being qualified. */ - DEMANGLE_COMPONENT_CONST_THIS, - /* A vendor qualifier. The left subtree is the type which is being - qualified, and the right subtree is the name of the - qualifier. */ - DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL, - /* A pointer. The one subtree is the type which is being pointed - to. */ - DEMANGLE_COMPONENT_POINTER, - /* A reference. The one subtree is the type which is being - referenced. */ - DEMANGLE_COMPONENT_REFERENCE, - /* A complex type. The one subtree is the base type. */ - DEMANGLE_COMPONENT_COMPLEX, - /* An imaginary type. The one subtree is the base type. */ - DEMANGLE_COMPONENT_IMAGINARY, - /* A builtin type. This holds the builtin type information. */ - DEMANGLE_COMPONENT_BUILTIN_TYPE, - /* A vendor's builtin type. This holds the name of the type. */ - DEMANGLE_COMPONENT_VENDOR_TYPE, - /* A function type. The left subtree is the return type. The right - subtree is a list of ARGLIST nodes. Either or both may be - NULL. */ - DEMANGLE_COMPONENT_FUNCTION_TYPE, - /* An array type. The left subtree is the dimension, which may be - NULL, or a string (represented as DEMANGLE_COMPONENT_NAME), or an - expression. The right subtree is the element type. */ - DEMANGLE_COMPONENT_ARRAY_TYPE, - /* A pointer to member type. The left subtree is the class type, - and the right subtree is the member type. CV-qualifiers appear - on the latter. */ - DEMANGLE_COMPONENT_PTRMEM_TYPE, - /* An argument list. The left subtree is the current argument, and - the right subtree is either NULL or another ARGLIST node. */ - DEMANGLE_COMPONENT_ARGLIST, - /* A template argument list. The left subtree is the current - template argument, and the right subtree is either NULL or - another TEMPLATE_ARGLIST node. */ - DEMANGLE_COMPONENT_TEMPLATE_ARGLIST, - /* An operator. This holds information about a standard - operator. */ - DEMANGLE_COMPONENT_OPERATOR, - /* An extended operator. This holds the number of arguments, and - the name of the extended operator. */ - DEMANGLE_COMPONENT_EXTENDED_OPERATOR, - /* A typecast, represented as a unary operator. The one subtree is - the type to which the argument should be cast. */ - DEMANGLE_COMPONENT_CAST, - /* A unary expression. The left subtree is the operator, and the - right subtree is the single argument. */ - DEMANGLE_COMPONENT_UNARY, - /* A binary expression. The left subtree is the operator, and the - right subtree is a BINARY_ARGS. */ - DEMANGLE_COMPONENT_BINARY, - /* Arguments to a binary expression. The left subtree is the first - argument, and the right subtree is the second argument. */ - DEMANGLE_COMPONENT_BINARY_ARGS, - /* A trinary expression. The left subtree is the operator, and the - right subtree is a TRINARY_ARG1. */ - DEMANGLE_COMPONENT_TRINARY, - /* Arguments to a trinary expression. The left subtree is the first - argument, and the right subtree is a TRINARY_ARG2. */ - DEMANGLE_COMPONENT_TRINARY_ARG1, - /* More arguments to a trinary expression. The left subtree is the - second argument, and the right subtree is the third argument. */ - DEMANGLE_COMPONENT_TRINARY_ARG2, - /* A literal. The left subtree is the type, and the right subtree - is the value, represented as a DEMANGLE_COMPONENT_NAME. */ - DEMANGLE_COMPONENT_LITERAL, - /* A negative literal. Like LITERAL, but the value is negated. - This is a minor hack: the NAME used for LITERAL points directly - to the mangled string, but since negative numbers are mangled - using 'n' instead of '-', we want a way to indicate a negative - number which involves neither modifying the mangled string nor - allocating a new copy of the literal in memory. */ - DEMANGLE_COMPONENT_LITERAL_NEG -}; - -/* Types which are only used internally. */ - -struct demangle_operator_info; -struct demangle_builtin_type_info; - -/* A node in the tree representation is an instance of a struct - demangle_component. Note that the field names of the struct are - not well protected against macros defined by the file including - this one. We can fix this if it ever becomes a problem. */ - -struct demangle_component -{ - /* The type of this component. */ - enum demangle_component_type type; - - union - { - /* For DEMANGLE_COMPONENT_NAME. */ - struct - { - /* A pointer to the name (which need not NULL terminated) and - its length. */ - const char *s; - int len; - } s_name; - - /* For DEMANGLE_COMPONENT_OPERATOR. */ - struct - { - /* Operator. */ - const struct demangle_operator_info *op; - } s_operator; - - /* For DEMANGLE_COMPONENT_EXTENDED_OPERATOR. */ - struct - { - /* Number of arguments. */ - int args; - /* Name. */ - struct demangle_component *name; - } s_extended_operator; - - /* For DEMANGLE_COMPONENT_CTOR. */ - struct - { - /* Kind of constructor. */ - enum gnu_v3_ctor_kinds kind; - /* Name. */ - struct demangle_component *name; - } s_ctor; - - /* For DEMANGLE_COMPONENT_DTOR. */ - struct - { - /* Kind of destructor. */ - enum gnu_v3_dtor_kinds kind; - /* Name. */ - struct demangle_component *name; - } s_dtor; - - /* For DEMANGLE_COMPONENT_BUILTIN_TYPE. */ - struct - { - /* Builtin type. */ - const struct demangle_builtin_type_info *type; - } s_builtin; - - /* For DEMANGLE_COMPONENT_SUB_STD. */ - struct - { - /* Standard substitution string. */ - const char* string; - /* Length of string. */ - int len; - } s_string; - - /* For DEMANGLE_COMPONENT_TEMPLATE_PARAM. */ - struct - { - /* Template parameter index. */ - long number; - } s_number; - - /* For other types. */ - struct - { - /* Left (or only) subtree. */ - struct demangle_component *left; - /* Right subtree. */ - struct demangle_component *right; - } s_binary; - - } u; -}; - -/* People building mangled trees are expected to allocate instances of - struct demangle_component themselves. They can then call one of - the following functions to fill them in. */ - -/* Fill in most component types with a left subtree and a right - subtree. Returns non-zero on success, zero on failure, such as an - unrecognized or inappropriate component type. */ - -extern int -cplus_demangle_fill_component PARAMS ((struct demangle_component *fill, - enum demangle_component_type, - struct demangle_component *left, - struct demangle_component *right)); - -/* Fill in a DEMANGLE_COMPONENT_NAME. Returns non-zero on success, - zero for bad arguments. */ - -extern int -cplus_demangle_fill_name PARAMS ((struct demangle_component *fill, - const char *, int)); - -/* Fill in a DEMANGLE_COMPONENT_BUILTIN_TYPE, using the name of the - builtin type (e.g., "int", etc.). Returns non-zero on success, - zero if the type is not recognized. */ - -extern int -cplus_demangle_fill_builtin_type PARAMS ((struct demangle_component *fill, - const char *typename)); - -/* Fill in a DEMANGLE_COMPONENT_OPERATOR, using the name of the - operator and the number of arguments which it takes (the latter is - used to disambiguate operators which can be both binary and unary, - such as '-'). Returns non-zero on success, zero if the operator is - not recognized. */ - -extern int -cplus_demangle_fill_operator PARAMS ((struct demangle_component *fill, - const char *opname, int args)); - -/* Fill in a DEMANGLE_COMPONENT_EXTENDED_OPERATOR, providing the - number of arguments and the name. Returns non-zero on success, - zero for bad arguments. */ - -extern int -cplus_demangle_fill_extended_operator PARAMS ((struct demangle_component *fill, - int numargs, - struct demangle_component *nm)); - -/* Fill in a DEMANGLE_COMPONENT_CTOR. Returns non-zero on success, - zero for bad arguments. */ - -extern int -cplus_demangle_fill_ctor PARAMS ((struct demangle_component *fill, - enum gnu_v3_ctor_kinds kind, - struct demangle_component *name)); - -/* Fill in a DEMANGLE_COMPONENT_DTOR. Returns non-zero on success, - zero for bad arguments. */ - -extern int -cplus_demangle_fill_dtor PARAMS ((struct demangle_component *fill, - enum gnu_v3_dtor_kinds kind, - struct demangle_component *name)); - -/* This function translates a mangled name into a struct - demangle_component tree. The first argument is the mangled name. - The second argument is DMGL_* options. This returns a pointer to a - tree on success, or NULL on failure. On success, the third - argument is set to a block of memory allocated by malloc. This - block should be passed to free when the tree is no longer - needed. */ - -extern struct demangle_component * -cplus_demangle_v3_components PARAMS ((const char *mangled, - int options, - void **mem)); - -/* This function takes a struct demangle_component tree and returns - the corresponding demangled string. The first argument is DMGL_* - options. The second is the tree to demangle. The third is a guess - at the length of the demangled string, used to initially allocate - the return buffer. The fourth is a pointer to a size_t. On - success, this function returns a buffer allocated by malloc(), and - sets the size_t pointed to by the fourth argument to the size of - the allocated buffer (not the length of the returned string). On - failure, this function returns NULL, and sets the size_t pointed to - by the fourth argument to 0 for an invalid tree, or to 1 for a - memory allocation error. */ - -extern char * -cplus_demangle_print PARAMS ((int options, - const struct demangle_component *tree, - int estimated_length, - size_t *p_allocated_size)); - #ifdef __cplusplus } #endif /* __cplusplus */ |