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/**
* Defines the building blocks for creating the mangled names for basic types.
*
* Copyright: Copyright (C) 1999-2024 by The D Language Foundation, All Rights Reserved
* License: $(LINK2 https://www.boost.org/LICENSE_1_0.txt, Boost License 1.0)
* Source: $(LINK2 https://github.com/dlang/dmd/blob/master/src/dmd/basicmangle.d, _basicmangle.d)
* Documentation: https://dlang.org/phobos/dmd_basicmangle.html
* Coverage: https://codecov.io/gh/dlang/dmd/src/master/src/dmd/basicmangle.d
*/
module dmd.basicmangle;
import dmd.astenums;
import dmd.common.outbuffer : OutBuffer;
/// Type mangling mapping for basic, derived and user defined types
immutable char[TMAX] mangleChar =
[
Tchar : 'a',
Tbool : 'b',
Tcomplex80 : 'c',
Tfloat64 : 'd',
Tfloat80 : 'e',
Tfloat32 : 'f',
Tint8 : 'g',
Tuns8 : 'h',
Tint32 : 'i',
Timaginary80 : 'j',
Tuns32 : 'k',
Tint64 : 'l',
Tuns64 : 'm',
Tnull : 'n',
Timaginary32 : 'o',
Timaginary64 : 'p',
Tcomplex32 : 'q',
Tcomplex64 : 'r',
Tint16 : 's',
Tuns16 : 't',
Twchar : 'u',
Tvoid : 'v',
Tdchar : 'w',
// x // const
// y // immutable
Tint128 : 'z', // zi
Tuns128 : 'z', // zk
Tarray : 'A',
Ttuple : 'B',
Tclass : 'C',
Tdelegate : 'D',
Tenum : 'E',
Tfunction : 'F', // D function
Tsarray : 'G',
Taarray : 'H',
// I // in
// J // out
// K // ref
// L // lazy
// M // has this, or scope
// N // Nh:vector Ng:wild Nn:noreturn
// O // shared
Tpointer : 'P',
// Q // Type/symbol/identifier backward reference
Treference : 'R',
Tstruct : 'S',
// T // Ttypedef
// U // C function
// W // Windows function
// X // variadic T t...)
// Y // variadic T t,...)
// Z // not variadic, end of parameters
// '@' shouldn't appear anywhere in the deco'd names
Tnone : '@',
Tident : '@',
Tinstance : '@',
Terror : '@',
Ttypeof : '@',
Tslice : '@',
Treturn : '@',
Tvector : '@',
Ttraits : '@',
Tmixin : '@',
Ttag : '@',
Tnoreturn : '@', // becomes 'Nn'
];
unittest
{
foreach (i, mangle; mangleChar)
{
if (mangle == char.init)
{
import core.stdc.stdio;
fprintf(stderr, "ty = %u\n", cast(uint)i);
assert(0);
}
}
}
/***********************
* Mangle basic type ty to buf.
*/
void tyToDecoBuffer(ref OutBuffer buf, int ty) @safe
{
const c = mangleChar[ty];
buf.writeByte(c);
if (c == 'z')
buf.writeByte(ty == Tint128 ? 'i' : 'k');
}
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