is intended to house other D language support functions.
gdb/ChangeLog:
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* Makefile.in (SFILES): Add d-support.c.
(COMMON_OBS): Add d-support.o.
* d-lang.h (d_parse_symbol): Add comment, now defined in
d-support.c.
* d-lang.c (parse_call_convention)
(parse_attributes, parse_function_types)
(parse_function_args, parse_type, parse_identifier)
(call_convention_p, d_parse_symbol): Move functions to ...
* d-support.c: ... New file.
+2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
+
+ * Makefile.in (SFILES): Add d-support.c.
+ (COMMON_OBS): Add d-support.o.
+ * d-lang.h (d_parse_symbol): Add comment, now defined in
+ d-support.c.
+ * d-lang.c (parse_call_convention)
+ (parse_attributes, parse_function_types)
+ (parse_function_args, parse_type, parse_identifier)
+ (call_convention_p, d_parse_symbol): Move functions to ...
+ * d-support.c: ... New file.
+
2014-01-17 Iain Buclaw <ibuclaw@gdcproject.org>
* d-lang.h (d_parse_symbol): Add declaration.
charset.c cleanups.c cli-out.c coffread.c coff-pe-read.c \
complaints.c completer.c continuations.c corefile.c corelow.c \
cp-abi.c cp-support.c cp-namespace.c cp-valprint.c \
- d-lang.c d-valprint.c \
+ d-lang.c d-support.c d-valprint.c \
cp-name-parser.y \
dbxread.c demangle.c dictionary.c disasm.c doublest.c dummy-frame.c \
dwarf2expr.c dwarf2loc.c dwarf2read.c dwarf2-frame.c \
inline-frame.o \
gnu-v2-abi.o gnu-v3-abi.o cp-abi.o cp-support.o \
cp-namespace.o \
+ d-support.o \
reggroups.o regset.o \
trad-frame.o \
tramp-frame.o \
#include "parser-defs.h"
#include "gdb_obstack.h"
-#include "safe-ctype.h"
-
-static const char *parse_function_args (struct obstack *, const char *);
-static const char *parse_type (struct obstack *, const char *);
-
/* The name of the symbol to use to get the name of the main subprogram. */
static const char D_MAIN[] = "D main";
return NULL;
}
-/* Demangle the calling convention from MANGLE and append it to TEMPBUF.
- Return the remaining string on success or NULL on failure. */
-
-static const char *
-parse_call_convention (struct obstack *tempbuf, const char *mangle)
-{
- if ((mangle == NULL) || (*mangle == '\0'))
- return mangle;
-
- switch (*mangle)
- {
- case 'F': /* (D) */
- mangle++;
- break;
- case 'U': /* (C) */
- mangle++;
- obstack_grow_str (tempbuf, "extern(C) ");
- break;
- case 'W': /* (Windows) */
- mangle++;
- obstack_grow_str (tempbuf, "extern(Windows) ");
- break;
- case 'V': /* (Pascal) */
- mangle++;
- obstack_grow_str (tempbuf, "extern(Pascal) ");
- break;
- case 'R': /* (C++) */
- mangle++;
- obstack_grow_str (tempbuf, "extern(C++) ");
- break;
- default:
- return NULL;
- }
-
- return mangle;
-}
-
-/* Demangle the D function attributes from MANGLE and append it to TEMPBUF.
- Return the remaining string on success or NULL on failure. */
-
-static const char *
-parse_attributes (struct obstack *tempbuf, const char *mangle)
-{
- if ((mangle == NULL) || (*mangle == '\0'))
- return mangle;
-
- while (*mangle == 'N')
- {
- mangle++;
- switch (*mangle)
- {
- case 'a': /* pure */
- mangle++;
- obstack_grow_str (tempbuf, "pure ");
- continue;
- case 'b': /* nothrow */
- mangle++;
- obstack_grow_str (tempbuf, "nothrow ");
- continue;
- case 'c': /* ref */
- mangle++;
- obstack_grow_str (tempbuf, "ref ");
- continue;
- case 'd': /* @property */
- mangle++;
- obstack_grow_str (tempbuf, "@property ");
- continue;
- case 'e': /* @trusted */
- mangle++;
- obstack_grow_str (tempbuf, "@trusted ");
- continue;
- case 'f': /* @safe */
- mangle++;
- obstack_grow_str (tempbuf, "@safe ");
- continue;
- case 'g':
- case 'h':
- /* inout parameter is represented as 'Ng'.
- vector parameter is represented as 'Nh'.
- If we see this, then we know we're really in the
- parameter list. Rewind and break. */
- mangle--;
- }
- break;
- }
- return mangle;
-}
-
-/* Demangle the function type from MANGLE and append it to TEMPBUF.
- Return the remaining string on success or NULL on failure. */
-
-static const char *
-parse_function_type (struct obstack *tempbuf, const char *mangle)
-{
- struct obstack obattr, obargs, obtype;
- char *attr, *args, *type;
- size_t szattr, szargs, sztype;
-
- if ((mangle == NULL) || (*mangle == '\0'))
- return mangle;
-
- /* The order of the mangled string is:
- TypeFunction ::
- CallConvention FuncAttrs Arguments ArgClose Type
-
- The demangled string is re-ordered as:
- CallConvention Type Arguments FuncAttrs
- */
- obstack_init (&obattr);
- obstack_init (&obargs);
- obstack_init (&obtype);
-
- /* Function call convention. */
- mangle = parse_call_convention (tempbuf, mangle);
-
- /* Function attributes. */
- mangle = parse_attributes (&obattr, mangle);
- szattr = obstack_object_size (&obattr);
- attr = obstack_finish (&obattr);
-
- /* Function arguments. */
- mangle = parse_function_args (&obargs, mangle);
- szargs = obstack_object_size (&obargs);
- args = obstack_finish (&obargs);
-
- /* Function return type. */
- mangle = parse_type (&obtype, mangle);
- sztype = obstack_object_size (&obtype);
- type = obstack_finish (&obtype);
-
- /* Append to buffer in order. */
- obstack_grow (tempbuf, type, sztype);
- obstack_grow_str (tempbuf, "(");
- obstack_grow (tempbuf, args, szargs);
- obstack_grow_str (tempbuf, ") ");
- obstack_grow (tempbuf, attr, szattr);
-
- obstack_free (&obattr, NULL);
- obstack_free (&obargs, NULL);
- obstack_free (&obtype, NULL);
- return mangle;
-}
-
-/* Demangle the argument list from MANGLE and append it to TEMPBUF.
- Return the remaining string on success or NULL on failure. */
-
-static const char *
-parse_function_args (struct obstack *tempbuf, const char *mangle)
-{
- size_t n = 0;
-
- while ((mangle != NULL) && (*mangle != '\0'))
- {
- switch (*mangle)
- {
- case 'X': /* (variadic T t...) style. */
- mangle++;
- obstack_grow_str (tempbuf, "...");
- return mangle;
- case 'Y': /* (variadic T t, ...) style. */
- mangle++;
- obstack_grow_str (tempbuf, ", ...");
- return mangle;
- case 'Z': /* Normal function. */
- mangle++;
- return mangle;
- }
-
- if (n++)
- obstack_grow_str (tempbuf, ", ");
-
- if (*mangle == 'M') /* scope(T) */
- {
- mangle++;
- obstack_grow_str (tempbuf, "scope ");
- }
-
- switch (*mangle)
- {
- case 'J': /* out(T) */
- mangle++;
- obstack_grow_str (tempbuf, "out ");
- break;
- case 'K': /* ref(T) */
- mangle++;
- obstack_grow_str (tempbuf, "ref ");
- break;
- case 'L': /* lazy(T) */
- mangle++;
- obstack_grow_str (tempbuf, "lazy ");
- break;
- }
- mangle = parse_type (tempbuf, mangle);
- }
- return mangle;
-}
-
-/* Demangle the type from MANGLE and append it to TEMPBUF.
- Return the remaining string on success or NULL on failure. */
-
-static const char *
-parse_type (struct obstack *tempbuf, const char *mangle)
-{
- if ((mangle == NULL) || (*mangle == '\0'))
- return mangle;
-
- switch (*mangle)
- {
- case 'O': /* shared(T) */
- mangle++;
- obstack_grow_str (tempbuf, "shared(");
- mangle = parse_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, ")");
- return mangle;
- case 'x': /* const(T) */
- mangle++;
- obstack_grow_str (tempbuf, "const(");
- mangle = parse_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, ")");
- return mangle;
- case 'y': /* immutable(T) */
- mangle++;
- obstack_grow_str (tempbuf, "immutable(");
- mangle = parse_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, ")");
- return mangle;
- case 'N':
- mangle++;
- if (*mangle == 'g') /* wild(T) */
- {
- mangle++;
- obstack_grow_str (tempbuf, "inout(");
- mangle = parse_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, ")");
- return mangle;
- }
- else if (*mangle == 'h') /* vector(T) */
- {
- mangle++;
- /* The basetype for vectors are always static arrays. */
- if (*mangle != 'G')
- return NULL;
- obstack_grow_str (tempbuf, "__vector(");
- mangle = parse_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, ")");
- return mangle;
- }
- else
- return NULL;
- case 'A': /* dynamic array (T[]) */
- mangle++;
- mangle = parse_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, "[]");
- return mangle;
- case 'G': /* static array (T[N]) */
- {
- const char *numptr;
- size_t num = 0;
- mangle++;
-
- numptr = mangle;
- while (ISDIGIT (*mangle))
- {
- num++;
- mangle++;
- }
- mangle = parse_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, "[");
- obstack_grow (tempbuf, numptr, num);
- obstack_grow_str (tempbuf, "]");
- return mangle;
- }
- case 'H': /* associative array (T[T]) */
- {
- struct obstack obtype;
- char *type;
- size_t sztype;
- mangle++;
-
- obstack_init (&obtype);
- mangle = parse_type (&obtype, mangle);
- sztype = obstack_object_size (&obtype);
- type = obstack_finish (&obtype);
-
- mangle = parse_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, "[");
- obstack_grow (tempbuf, type, sztype);
- obstack_grow_str (tempbuf, "]");
-
- obstack_free (&obtype, NULL);
- return mangle;
- }
- case 'P': /* pointer (T*) */
- mangle++;
- mangle = parse_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, "*");
- return mangle;
- case 'I': /* ident T */
- case 'C': /* class T */
- case 'S': /* struct T */
- case 'E': /* enum T */
- case 'T': /* typedef T */
- mangle++;
- return d_parse_symbol (tempbuf, mangle);
- case 'D': /* delegate T */
- mangle++;
- mangle = parse_function_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, "delegate");
- return mangle;
- case 'B': /* tuple T */
- /* TODO: Handle this. */
- return NULL;
-
- /* Function types */
- case 'F': case 'U': case 'W':
- case 'V': case 'R':
- mangle = parse_function_type (tempbuf, mangle);
- obstack_grow_str (tempbuf, "function");
- return mangle;
-
- /* Basic types */
- case 'n':
- mangle++;
- obstack_grow_str (tempbuf, "none");
- return mangle;
- case 'v':
- mangle++;
- obstack_grow_str (tempbuf, "void");
- return mangle;
- case 'g':
- mangle++;
- obstack_grow_str (tempbuf, "byte");
- return mangle;
- case 'h':
- mangle++;
- obstack_grow_str (tempbuf, "ubyte");
- return mangle;
- case 's':
- mangle++;
- obstack_grow_str (tempbuf, "short");
- return mangle;
- case 't':
- mangle++;
- obstack_grow_str (tempbuf, "ushort");
- return mangle;
- case 'i':
- mangle++;
- obstack_grow_str (tempbuf, "int");
- return mangle;
- case 'k':
- mangle++;
- obstack_grow_str (tempbuf, "uint");
- return mangle;
- case 'l':
- mangle++;
- obstack_grow_str (tempbuf, "long");
- return mangle;
- case 'm':
- mangle++;
- obstack_grow_str (tempbuf, "ulong");
- return mangle;
- case 'f':
- mangle++;
- obstack_grow_str (tempbuf, "float");
- return mangle;
- case 'd':
- mangle++;
- obstack_grow_str (tempbuf, "double");
- return mangle;
- case 'e':
- mangle++;
- obstack_grow_str (tempbuf, "real");
- return mangle;
-
- /* Imaginary and Complex types */
- case 'o':
- mangle++;
- obstack_grow_str (tempbuf, "ifloat");
- return mangle;
- case 'p':
- mangle++;
- obstack_grow_str (tempbuf, "idouble");
- return mangle;
- case 'j':
- mangle++;
- obstack_grow_str (tempbuf, "ireal");
- return mangle;
- case 'q':
- mangle++;
- obstack_grow_str (tempbuf, "cfloat");
- return mangle;
- case 'r':
- mangle++;
- obstack_grow_str (tempbuf, "cdouble");
- return mangle;
- case 'c':
- mangle++;
- obstack_grow_str (tempbuf, "creal");
- return mangle;
-
- /* Other types */
- case 'b':
- mangle++;
- obstack_grow_str (tempbuf, "bool");
- return mangle;
- case 'a':
- mangle++;
- obstack_grow_str (tempbuf, "char");
- return mangle;
- case 'u':
- mangle++;
- obstack_grow_str (tempbuf, "wchar");
- return mangle;
- case 'w':
- mangle++;
- obstack_grow_str (tempbuf, "dchar");
- return mangle;
-
- default: /* unhandled */
- return NULL;
- }
-}
-
-/* Extract the identifier from MANGLE and append it to TEMPBUF.
- Return the remaining string on success or NULL on failure. */
-
-static const char *
-parse_identifier (struct obstack *tempbuf, const char *mangle)
-{
- if ((mangle == NULL) || (*mangle == '\0'))
- return mangle;
-
- if (ISDIGIT (*mangle))
- {
- char *endptr;
- long i = strtol (mangle, &endptr, 10);
-
- if (i <= 0 || strlen (endptr) < i)
- return NULL;
-
- mangle = endptr;
-
- /* No support for demangling templates. */
- if (i >= 5 && strncmp (mangle, "__T", 3) == 0)
- return NULL;
-
- if (strncmp (mangle, "__ctor", i) == 0)
- {
- /* Constructor symbol for a class/struct. */
- obstack_grow_str (tempbuf, "this");
- mangle += i;
- return mangle;
- }
- else if (strncmp (mangle, "__dtor", i) == 0)
- {
- /* Destructor symbol for a class/struct. */
- obstack_grow_str (tempbuf, "~this");
- mangle += i;
- return mangle;
- }
- else if (strncmp (mangle, "__postblit", i) == 0)
- {
- /* Postblit symbol for a struct. */
- obstack_grow_str (tempbuf, "this(this)");
- mangle += i;
- return mangle;
- }
- else if (strncmp (mangle, "__initZ", i+1) == 0)
- {
- /* The static initialiser for a given symbol. */
- obstack_grow_str (tempbuf, "init$");
- mangle += i + 1;
- return mangle;
- }
- else if (strncmp (mangle, "__ClassZ", i+1) == 0)
- {
- /* The classinfo symbol for a given class. */
- obstack_grow_str (tempbuf, "classinfo$");
- mangle += i + 1;
- return mangle;
- }
- else if (strncmp (mangle, "__vtblZ", i+1) == 0)
- {
- /* The vtable symbol for a given class. */
- obstack_grow_str (tempbuf, "vtbl$");
- mangle += i + 1;
- return mangle;
- }
- else if (strncmp (mangle, "__InterfaceZ", i+1) == 0)
- {
- /* The interface symbol for a given class. */
- obstack_grow_str (tempbuf, "interface$");
- mangle += i + 1;
- return mangle;
- }
- else if (strncmp (mangle, "__ModuleInfoZ", i+1) == 0)
- {
- /* The ModuleInfo symbol for a given module. */
- obstack_grow_str (tempbuf, "moduleinfo$");
- mangle += i + 1;
- return mangle;
- }
- obstack_grow (tempbuf, mangle, i);
- mangle += i;
- }
- else
- return NULL;
-
- return mangle;
-}
-
-/* Test whether the current position of MANGLE is pointing to the
- beginning of a mangled function parameter list, which starts with
- the calling convention. Returns 1 on success or 0 on failure. */
-
-static int
-call_convention_p (const char *mangle)
-{
- size_t i;
-
- if ((mangle == NULL) || (*mangle == '\0'))
- return 0;
-
- switch (*mangle)
- {
- case 'F': case 'U': case 'V':
- case 'W': case 'R':
- return 1;
-
- case 'M': /* Prefix for functions needing 'this'. */
- i = 1;
- if (mangle[i] == 'x')
- i++;
-
- switch (mangle[i])
- {
- case 'F': case 'U': case 'V':
- case 'W': case 'R':
- return 1;
- }
-
- default:
- return 0;
- }
-}
-
-/* Extract and demangle the symbol in MANGLE and append it to TEMPBUF.
- Return the remaining signature on success or NULL on failure. */
-
-const char *
-d_parse_symbol (struct obstack *tempbuf, const char *mangle)
-{
- size_t n = 0;
- do
- {
- if (n++)
- obstack_grow_str (tempbuf, ".");
-
- mangle = parse_identifier (tempbuf, mangle);
-
- if (call_convention_p (mangle))
- {
- char *saved;
-
- /* Skip over 'this' parameter. */
- if (*mangle == 'M')
- mangle += (mangle[1] == 'x') ? 2 : 1;
-
- /* Skip over calling convention and attributes in qualified name. */
- saved = obstack_next_free (tempbuf);
- mangle = parse_call_convention (tempbuf, mangle);
- mangle = parse_attributes (tempbuf, mangle);
- obstack_next_free (tempbuf) = saved;
-
- obstack_grow_str (tempbuf, "(");
- mangle = parse_function_args (tempbuf, mangle);
- obstack_grow_str (tempbuf, ")");
-
- /* Demangle the function return type as a kind of sanity test. */
- if ((mangle != NULL) && !ISDIGIT (*mangle))
- {
- saved = obstack_next_free (tempbuf);
- mangle = parse_type (tempbuf, mangle);
- obstack_next_free (tempbuf) = saved;
- }
- }
- }
- while ((mangle != NULL) && ISDIGIT (*mangle));
-
- return mangle;
-}
-
/* Implements the la_demangle language_defn routine for language D. */
char *
extern const struct builtin_d_type *builtin_d_type (struct gdbarch *);
+/* Defined in d-support.c */
+
extern const char *d_parse_symbol (struct obstack *, const char *);
/* Defined in d-valprint.c */
--- /dev/null
+/* Helper routines for D support in GDB.
+
+ Copyright (C) 2014 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ 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
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include "defs.h"
+#include "d-lang.h"
+#include "gdb_obstack.h"
+
+#include "safe-ctype.h"
+
+static const char *parse_function_args (struct obstack *, const char *);
+static const char *parse_type (struct obstack *, const char *);
+
+
+/* Demangle the calling convention from MANGLE and append it to TEMPBUF.
+ Return the remaining string on success or NULL on failure. */
+
+static const char *
+parse_call_convention (struct obstack *tempbuf, const char *mangle)
+{
+ if ((mangle == NULL) || (*mangle == '\0'))
+ return mangle;
+
+ switch (*mangle)
+ {
+ case 'F': /* (D) */
+ mangle++;
+ break;
+ case 'U': /* (C) */
+ mangle++;
+ obstack_grow_str (tempbuf, "extern(C) ");
+ break;
+ case 'W': /* (Windows) */
+ mangle++;
+ obstack_grow_str (tempbuf, "extern(Windows) ");
+ break;
+ case 'V': /* (Pascal) */
+ mangle++;
+ obstack_grow_str (tempbuf, "extern(Pascal) ");
+ break;
+ case 'R': /* (C++) */
+ mangle++;
+ obstack_grow_str (tempbuf, "extern(C++) ");
+ break;
+ default:
+ return NULL;
+ }
+
+ return mangle;
+}
+
+/* Demangle the D function attributes from MANGLE and append it to TEMPBUF.
+ Return the remaining string on success or NULL on failure. */
+
+static const char *
+parse_attributes (struct obstack *tempbuf, const char *mangle)
+{
+ if ((mangle == NULL) || (*mangle == '\0'))
+ return mangle;
+
+ while (*mangle == 'N')
+ {
+ mangle++;
+ switch (*mangle)
+ {
+ case 'a': /* pure */
+ mangle++;
+ obstack_grow_str (tempbuf, "pure ");
+ continue;
+ case 'b': /* nothrow */
+ mangle++;
+ obstack_grow_str (tempbuf, "nothrow ");
+ continue;
+ case 'c': /* ref */
+ mangle++;
+ obstack_grow_str (tempbuf, "ref ");
+ continue;
+ case 'd': /* @property */
+ mangle++;
+ obstack_grow_str (tempbuf, "@property ");
+ continue;
+ case 'e': /* @trusted */
+ mangle++;
+ obstack_grow_str (tempbuf, "@trusted ");
+ continue;
+ case 'f': /* @safe */
+ mangle++;
+ obstack_grow_str (tempbuf, "@safe ");
+ continue;
+ case 'g':
+ case 'h':
+ /* inout parameter is represented as 'Ng'.
+ vector parameter is represented as 'Nh'.
+ If we see this, then we know we're really in the
+ parameter list. Rewind and break. */
+ mangle--;
+ }
+ break;
+ }
+ return mangle;
+}
+
+/* Demangle the function type from MANGLE and append it to TEMPBUF.
+ Return the remaining string on success or NULL on failure. */
+
+static const char *
+parse_function_type (struct obstack *tempbuf, const char *mangle)
+{
+ struct obstack obattr, obargs, obtype;
+ char *attr, *args, *type;
+ size_t szattr, szargs, sztype;
+
+ if ((mangle == NULL) || (*mangle == '\0'))
+ return mangle;
+
+ /* The order of the mangled string is:
+ TypeFunction ::
+ CallConvention FuncAttrs Arguments ArgClose Type
+
+ The demangled string is re-ordered as:
+ CallConvention Type Arguments FuncAttrs
+ */
+ obstack_init (&obattr);
+ obstack_init (&obargs);
+ obstack_init (&obtype);
+
+ /* Function call convention. */
+ mangle = parse_call_convention (tempbuf, mangle);
+
+ /* Function attributes. */
+ mangle = parse_attributes (&obattr, mangle);
+ szattr = obstack_object_size (&obattr);
+ attr = obstack_finish (&obattr);
+
+ /* Function arguments. */
+ mangle = parse_function_args (&obargs, mangle);
+ szargs = obstack_object_size (&obargs);
+ args = obstack_finish (&obargs);
+
+ /* Function return type. */
+ mangle = parse_type (&obtype, mangle);
+ sztype = obstack_object_size (&obtype);
+ type = obstack_finish (&obtype);
+
+ /* Append to buffer in order. */
+ obstack_grow (tempbuf, type, sztype);
+ obstack_grow_str (tempbuf, "(");
+ obstack_grow (tempbuf, args, szargs);
+ obstack_grow_str (tempbuf, ") ");
+ obstack_grow (tempbuf, attr, szattr);
+
+ obstack_free (&obattr, NULL);
+ obstack_free (&obargs, NULL);
+ obstack_free (&obtype, NULL);
+ return mangle;
+}
+
+/* Demangle the argument list from MANGLE and append it to TEMPBUF.
+ Return the remaining string on success or NULL on failure. */
+
+static const char *
+parse_function_args (struct obstack *tempbuf, const char *mangle)
+{
+ size_t n = 0;
+
+ while ((mangle != NULL) && (*mangle != '\0'))
+ {
+ switch (*mangle)
+ {
+ case 'X': /* (variadic T t...) style. */
+ mangle++;
+ obstack_grow_str (tempbuf, "...");
+ return mangle;
+ case 'Y': /* (variadic T t, ...) style. */
+ mangle++;
+ obstack_grow_str (tempbuf, ", ...");
+ return mangle;
+ case 'Z': /* Normal function. */
+ mangle++;
+ return mangle;
+ }
+
+ if (n++)
+ obstack_grow_str (tempbuf, ", ");
+
+ if (*mangle == 'M') /* scope(T) */
+ {
+ mangle++;
+ obstack_grow_str (tempbuf, "scope ");
+ }
+
+ switch (*mangle)
+ {
+ case 'J': /* out(T) */
+ mangle++;
+ obstack_grow_str (tempbuf, "out ");
+ break;
+ case 'K': /* ref(T) */
+ mangle++;
+ obstack_grow_str (tempbuf, "ref ");
+ break;
+ case 'L': /* lazy(T) */
+ mangle++;
+ obstack_grow_str (tempbuf, "lazy ");
+ break;
+ }
+ mangle = parse_type (tempbuf, mangle);
+ }
+ return mangle;
+}
+
+/* Demangle the type from MANGLE and append it to TEMPBUF.
+ Return the remaining string on success or NULL on failure. */
+
+static const char *
+parse_type (struct obstack *tempbuf, const char *mangle)
+{
+ if ((mangle == NULL) || (*mangle == '\0'))
+ return mangle;
+
+ switch (*mangle)
+ {
+ case 'O': /* shared(T) */
+ mangle++;
+ obstack_grow_str (tempbuf, "shared(");
+ mangle = parse_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, ")");
+ return mangle;
+ case 'x': /* const(T) */
+ mangle++;
+ obstack_grow_str (tempbuf, "const(");
+ mangle = parse_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, ")");
+ return mangle;
+ case 'y': /* immutable(T) */
+ mangle++;
+ obstack_grow_str (tempbuf, "immutable(");
+ mangle = parse_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, ")");
+ return mangle;
+ case 'N':
+ mangle++;
+ if (*mangle == 'g') /* wild(T) */
+ {
+ mangle++;
+ obstack_grow_str (tempbuf, "inout(");
+ mangle = parse_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, ")");
+ return mangle;
+ }
+ else if (*mangle == 'h') /* vector(T) */
+ {
+ mangle++;
+ /* The basetype for vectors are always static arrays. */
+ if (*mangle != 'G')
+ return NULL;
+ obstack_grow_str (tempbuf, "__vector(");
+ mangle = parse_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, ")");
+ return mangle;
+ }
+ else
+ return NULL;
+ case 'A': /* dynamic array (T[]) */
+ mangle++;
+ mangle = parse_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, "[]");
+ return mangle;
+ case 'G': /* static array (T[N]) */
+ {
+ const char *numptr;
+ size_t num = 0;
+ mangle++;
+
+ numptr = mangle;
+ while (ISDIGIT (*mangle))
+ {
+ num++;
+ mangle++;
+ }
+ mangle = parse_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, "[");
+ obstack_grow (tempbuf, numptr, num);
+ obstack_grow_str (tempbuf, "]");
+ return mangle;
+ }
+ case 'H': /* associative array (T[T]) */
+ {
+ struct obstack obtype;
+ char *type;
+ size_t sztype;
+ mangle++;
+
+ obstack_init (&obtype);
+ mangle = parse_type (&obtype, mangle);
+ sztype = obstack_object_size (&obtype);
+ type = obstack_finish (&obtype);
+
+ mangle = parse_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, "[");
+ obstack_grow (tempbuf, type, sztype);
+ obstack_grow_str (tempbuf, "]");
+
+ obstack_free (&obtype, NULL);
+ return mangle;
+ }
+ case 'P': /* pointer (T*) */
+ mangle++;
+ mangle = parse_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, "*");
+ return mangle;
+ case 'I': /* ident T */
+ case 'C': /* class T */
+ case 'S': /* struct T */
+ case 'E': /* enum T */
+ case 'T': /* typedef T */
+ mangle++;
+ return d_parse_symbol (tempbuf, mangle);
+ case 'D': /* delegate T */
+ mangle++;
+ mangle = parse_function_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, "delegate");
+ return mangle;
+ case 'B': /* tuple T */
+ /* TODO: Handle this. */
+ return NULL;
+
+ /* Function types */
+ case 'F': case 'U': case 'W':
+ case 'V': case 'R':
+ mangle = parse_function_type (tempbuf, mangle);
+ obstack_grow_str (tempbuf, "function");
+ return mangle;
+
+ /* Basic types */
+ case 'n':
+ mangle++;
+ obstack_grow_str (tempbuf, "none");
+ return mangle;
+ case 'v':
+ mangle++;
+ obstack_grow_str (tempbuf, "void");
+ return mangle;
+ case 'g':
+ mangle++;
+ obstack_grow_str (tempbuf, "byte");
+ return mangle;
+ case 'h':
+ mangle++;
+ obstack_grow_str (tempbuf, "ubyte");
+ return mangle;
+ case 's':
+ mangle++;
+ obstack_grow_str (tempbuf, "short");
+ return mangle;
+ case 't':
+ mangle++;
+ obstack_grow_str (tempbuf, "ushort");
+ return mangle;
+ case 'i':
+ mangle++;
+ obstack_grow_str (tempbuf, "int");
+ return mangle;
+ case 'k':
+ mangle++;
+ obstack_grow_str (tempbuf, "uint");
+ return mangle;
+ case 'l':
+ mangle++;
+ obstack_grow_str (tempbuf, "long");
+ return mangle;
+ case 'm':
+ mangle++;
+ obstack_grow_str (tempbuf, "ulong");
+ return mangle;
+ case 'f':
+ mangle++;
+ obstack_grow_str (tempbuf, "float");
+ return mangle;
+ case 'd':
+ mangle++;
+ obstack_grow_str (tempbuf, "double");
+ return mangle;
+ case 'e':
+ mangle++;
+ obstack_grow_str (tempbuf, "real");
+ return mangle;
+
+ /* Imaginary and Complex types */
+ case 'o':
+ mangle++;
+ obstack_grow_str (tempbuf, "ifloat");
+ return mangle;
+ case 'p':
+ mangle++;
+ obstack_grow_str (tempbuf, "idouble");
+ return mangle;
+ case 'j':
+ mangle++;
+ obstack_grow_str (tempbuf, "ireal");
+ return mangle;
+ case 'q':
+ mangle++;
+ obstack_grow_str (tempbuf, "cfloat");
+ return mangle;
+ case 'r':
+ mangle++;
+ obstack_grow_str (tempbuf, "cdouble");
+ return mangle;
+ case 'c':
+ mangle++;
+ obstack_grow_str (tempbuf, "creal");
+ return mangle;
+
+ /* Other types */
+ case 'b':
+ mangle++;
+ obstack_grow_str (tempbuf, "bool");
+ return mangle;
+ case 'a':
+ mangle++;
+ obstack_grow_str (tempbuf, "char");
+ return mangle;
+ case 'u':
+ mangle++;
+ obstack_grow_str (tempbuf, "wchar");
+ return mangle;
+ case 'w':
+ mangle++;
+ obstack_grow_str (tempbuf, "dchar");
+ return mangle;
+
+ default: /* unhandled */
+ return NULL;
+ }
+}
+
+/* Extract the identifier from MANGLE and append it to TEMPBUF.
+ Return the remaining string on success or NULL on failure. */
+
+static const char *
+parse_identifier (struct obstack *tempbuf, const char *mangle)
+{
+ if ((mangle == NULL) || (*mangle == '\0'))
+ return mangle;
+
+ if (ISDIGIT (*mangle))
+ {
+ char *endptr;
+ long i = strtol (mangle, &endptr, 10);
+
+ if (i <= 0 || strlen (endptr) < i)
+ return NULL;
+
+ mangle = endptr;
+
+ /* No support for demangling templates. */
+ if (i >= 5 && strncmp (mangle, "__T", 3) == 0)
+ return NULL;
+
+ if (strncmp (mangle, "__ctor", i) == 0)
+ {
+ /* Constructor symbol for a class/struct. */
+ obstack_grow_str (tempbuf, "this");
+ mangle += i;
+ return mangle;
+ }
+ else if (strncmp (mangle, "__dtor", i) == 0)
+ {
+ /* Destructor symbol for a class/struct. */
+ obstack_grow_str (tempbuf, "~this");
+ mangle += i;
+ return mangle;
+ }
+ else if (strncmp (mangle, "__postblit", i) == 0)
+ {
+ /* Postblit symbol for a struct. */
+ obstack_grow_str (tempbuf, "this(this)");
+ mangle += i;
+ return mangle;
+ }
+ else if (strncmp (mangle, "__initZ", i+1) == 0)
+ {
+ /* The static initialiser for a given symbol. */
+ obstack_grow_str (tempbuf, "init$");
+ mangle += i + 1;
+ return mangle;
+ }
+ else if (strncmp (mangle, "__ClassZ", i+1) == 0)
+ {
+ /* The classinfo symbol for a given class. */
+ obstack_grow_str (tempbuf, "classinfo$");
+ mangle += i + 1;
+ return mangle;
+ }
+ else if (strncmp (mangle, "__vtblZ", i+1) == 0)
+ {
+ /* The vtable symbol for a given class. */
+ obstack_grow_str (tempbuf, "vtbl$");
+ mangle += i + 1;
+ return mangle;
+ }
+ else if (strncmp (mangle, "__InterfaceZ", i+1) == 0)
+ {
+ /* The interface symbol for a given class. */
+ obstack_grow_str (tempbuf, "interface$");
+ mangle += i + 1;
+ return mangle;
+ }
+ else if (strncmp (mangle, "__ModuleInfoZ", i+1) == 0)
+ {
+ /* The ModuleInfo symbol for a given module. */
+ obstack_grow_str (tempbuf, "moduleinfo$");
+ mangle += i + 1;
+ return mangle;
+ }
+ obstack_grow (tempbuf, mangle, i);
+ mangle += i;
+ }
+ else
+ return NULL;
+
+ return mangle;
+}
+
+/* Test whether the current position of MANGLE is pointing to the
+ beginning of a mangled function parameter list, which starts with
+ the calling convention. Returns 1 on success or 0 on failure. */
+
+static int
+call_convention_p (const char *mangle)
+{
+ size_t i;
+
+ if ((mangle == NULL) || (*mangle == '\0'))
+ return 0;
+
+ switch (*mangle)
+ {
+ case 'F': case 'U': case 'V':
+ case 'W': case 'R':
+ return 1;
+
+ case 'M': /* Prefix for functions needing 'this'. */
+ i = 1;
+ if (mangle[i] == 'x')
+ i++;
+
+ switch (mangle[i])
+ {
+ case 'F': case 'U': case 'V':
+ case 'W': case 'R':
+ return 1;
+ }
+
+ default:
+ return 0;
+ }
+}
+
+/* Extract and demangle the symbol in MANGLE and append it to TEMPBUF.
+ Return the remaining signature on success or NULL on failure. */
+
+const char *
+d_parse_symbol (struct obstack *tempbuf, const char *mangle)
+{
+ size_t n = 0;
+ do
+ {
+ if (n++)
+ obstack_grow_str (tempbuf, ".");
+
+ mangle = parse_identifier (tempbuf, mangle);
+
+ if (call_convention_p (mangle))
+ {
+ char *saved;
+
+ /* Skip over 'this' parameter. */
+ if (*mangle == 'M')
+ mangle += (mangle[1] == 'x') ? 2 : 1;
+
+ /* Skip over calling convention and attributes in qualified name. */
+ saved = obstack_next_free (tempbuf);
+ mangle = parse_call_convention (tempbuf, mangle);
+ mangle = parse_attributes (tempbuf, mangle);
+ obstack_next_free (tempbuf) = saved;
+
+ obstack_grow_str (tempbuf, "(");
+ mangle = parse_function_args (tempbuf, mangle);
+ obstack_grow_str (tempbuf, ")");
+
+ /* Demangle the function return type as a kind of sanity test. */
+ if ((mangle != NULL) && !ISDIGIT (*mangle))
+ {
+ saved = obstack_next_free (tempbuf);
+ mangle = parse_type (tempbuf, mangle);
+ obstack_next_free (tempbuf) = saved;
+ }
+ }
+ }
+ while ((mangle != NULL) && ISDIGIT (*mangle));
+
+ return mangle;
+}
+
projects / binutils-gdb.git / commitdiff