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annotate dmd/mars.h @ 1587:def7a1d494fd

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Merge DMD 1.051
author Christian Kamm <kamm incasoftware de>
date Fri, 06 Nov 2009 23:58:01 +0100
parents 7f728c52e63c
children a413ae7329bf
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1
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2 // Compiler implementation of the D programming language
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3 // Copyright (c) 1999-2009 by Digital Mars
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4 // All Rights Reserved
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5 // written by Walter Bright
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6 // http://www.digitalmars.com
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7 // License for redistribution is by either the Artistic License
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8 // in artistic.txt, or the GNU General Public License in gnu.txt.
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9 // See the included readme.txt for details.
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10
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11 #ifndef DMD_MARS_H
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12 #define DMD_MARS_H
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13
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14 #ifdef __DMC__
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15 #pragma once
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16 #endif
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17
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18 /*
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19 It is very important to use version control macros correctly - the
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20 idea is that host and target are independent. If these are done
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21 correctly, cross compilers can be built.
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22 The host compiler and host operating system are also different,
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23 and are predefined by the host compiler. The ones used in
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24 dmd are:
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25
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26 Macros defined by the compiler, not the code:
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27
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28 Compiler:
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29 __DMC__ Digital Mars compiler
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30 _MSC_VER Microsoft compiler
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31 __GNUC__ Gnu compiler
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32
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33 Host operating system:
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34 _WIN32 Microsoft NT, Windows 95, Windows 98, Win32s,
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35 Windows 2000, Win XP, Vista
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36 _WIN64 Windows for AMD64
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37 linux Linux
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38 __APPLE__ Mac OSX
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39 __FreeBSD__ FreeBSD
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40 __sun&&__SVR4 Solaris, OpenSolaris (yes, both macros are necessary)
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41
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42 For the target systems, there are the target operating system and
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43 the target object file format:
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44
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45 Target operating system:
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46 TARGET_WINDOS Covers 32 bit windows and 64 bit windows
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47 TARGET_LINUX Covers 32 and 64 bit linux
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48 TARGET_OSX Covers 32 and 64 bit Mac OSX
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49 TARGET_FREEBSD Covers 32 and 64 bit FreeBSD
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50 TARGET_SOLARIS Covers 32 and 64 bit Solaris
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51 TARGET_NET Covers .Net
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52
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53 It is expected that the compiler for each platform will be able
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54 to generate 32 and 64 bit code from the same compiler binary.
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55
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56 Target object module format:
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57 OMFOBJ Intel Object Module Format, used on Windows
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58 ELFOBJ Elf Object Module Format, used on linux, FreeBSD and Solaris
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59 MACHOBJ Mach-O Object Module Format, used on Mac OSX
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60
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61 There are currently no macros for byte endianness order.
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62 */
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63
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64
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65 #include <stdio.h>
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66 #include <stdint.h>
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67 #include <stdarg.h>
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68 #include <stddef.h>
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69 #define __STDC_FORMAT_MACROS 1
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70 #include <inttypes.h>
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71 #include <stdarg.h>
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72
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73 #ifdef __DMC__
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74 #ifdef DEBUG
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75 #undef assert
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76 #define assert(e) (static_cast<void>((e) || (printf("assert %s(%d) %s\n", __FILE__, __LINE__, #e), halt())))
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77 #endif
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78 #endif
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79
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80 #ifndef IS_PRINTF
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81 # ifdef __GNUC__
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82 # define IS_PRINTF(FMTARG) __attribute((__format__ (__printf__, (FMTARG), (FMTARG)+1) ))
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83 # else
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84 # define IS_PRINTF(FMTARG)
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85 # endif
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86 #endif
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87
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88 #ifdef IN_GCC
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89 /* Changes for the GDC compiler by David Friedman */
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90 #endif
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91
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92 #define DMDV2 0 // Version 2.0 features
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93 #define BREAKABI 1 // 0 if not ready to break the ABI just yet
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94 #define STRUCTTHISREF DMDV2 // if 'this' for struct is a reference, not a pointer
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95 #define SNAN_DEFAULT_INIT DMDV2 // if floats are default initialized to signalling NaN
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96
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97 /* Other targets are TARGET_LINUX, TARGET_OSX, TARGET_FREEBSD and
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98 * TARGET_SOLARIS, which are
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99 * set on the command line via the compiler makefile.
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100 */
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101
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102 #if _WIN32
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103 #define TARGET_WINDOS 1 // Windows dmd generates Windows targets
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104 #define OMFOBJ 1
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105 #endif
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106
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107 #if TARGET_LINUX || TARGET_FREEBSD || TARGET_SOLARIS
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108 #ifndef ELFOBJ
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109 #define ELFOBJ 1
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110 #endif
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111 #endif
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112
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113 #if TARGET_OSX
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114 #ifndef MACHOBJ
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115 #define MACHOBJ 1
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116 #endif
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117 #endif
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118
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119
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120 struct Array;
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121 struct OutBuffer;
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122
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123 // LDC
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124 enum ARCH
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125 {
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126 ARCHinvalid,
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127 ARCHx86,
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128 ARCHx86_64,
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129 ARCHppc,
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130 ARCHppc_64,
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131 ARCHarm,
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132 ARCHthumb
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133 };
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134 enum OUTPUTFLAG
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135 {
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136 OUTPUTFLAGno,
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137 OUTPUTFLAGdefault, // for the .o default
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138 OUTPUTFLAGset // for -output
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139 };
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140
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141 enum OS
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142 {
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143 OSinvalid,
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144 OSLinux,
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145 OSWindows,
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146 OSMacOSX,
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147 OSFreeBSD,
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148 OSSolaris,
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149 };
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150
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151 typedef unsigned char ubyte;
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152
159
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153 // Put command line switches in here
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154 struct Param
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155 {
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156 bool obj; // write object file
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157 bool link; // perform link
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158 bool verbose; // verbose compile
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159 ubyte symdebug; // insert debug symbolic information
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160 #if !IN_LLVM
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161 // LDC uses a different mechanism
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162 bool optimize; // run optimizer
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163 char optimizeLevel; // optimization level
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164 #endif
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165 char vtls; // identify thread local variables
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166 ARCH cpu; // target CPU
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167 OS os; // target OS
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168 bool is64bit; // generate 64 bit code
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169 bool isLE; // generate little endian code
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170 bool useDeprecated; // allow use of deprecated features
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171 bool useAssert; // generate runtime code for assert()'s
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172 bool useInvariants; // generate class invariant checks
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173 bool useIn; // generate precondition checks
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174 bool useOut; // generate postcondition checks
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175 bool useArrayBounds; // generate array bounds checks
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176 bool useSwitchError; // check for switches without a default
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177 bool useUnitTests; // generate unittest code
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178 bool useInline; // inline expand functions
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179 bool warnings; // enable warnings
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180 ubyte Dversion; // D version number
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181 char safe; // enforce safe memory model
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182
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183 char *argv0; // program name
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184 Array *imppath; // array of char*'s of where to look for import modules
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185 Array *fileImppath; // array of char*'s of where to look for file import modules
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186 char *objdir; // .obj file output directory
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187 char *objname; // .obj file output name
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188
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189 bool doDocComments; // process embedded documentation comments
159
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190 char *docdir; // write documentation file to docdir directory
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191 char *docname; // write documentation file to docname
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192 Array *ddocfiles; // macro include files for Ddoc
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193
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194 bool doHdrGeneration; // process embedded documentation comments
159
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195 char *hdrdir; // write 'header' file to docdir directory
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196 char *hdrname; // write 'header' file to docname
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197
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198 char doXGeneration; // write JSON file
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199 char *xfilename; // write JSON file to xfilename
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200
159
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201 unsigned debuglevel; // debug level
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202 Array *debugids; // debug identifiers
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203
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204 unsigned versionlevel; // version level
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205 Array *versionids; // version identifiers
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206
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207 bool dump_source;
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208
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209 Array *defaultlibnames; // default libraries for non-debug builds
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210 Array *debuglibnames; // default libraries for debug builds
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211
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212 char *moduleDepsFile; // filename for deps output
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213 OutBuffer *moduleDeps; // contents to be written to deps file
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214
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215 // Hidden debug switches
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216 bool debuga;
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217 bool debugb;
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218 bool debugc;
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219 bool debugf;
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220 bool debugr;
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221 bool debugw;
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222 bool debugx;
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223 bool debugy;
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224
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225 bool run; // run resulting executable
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226
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227 // Linker stuff
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228 Array *objfiles;
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229 Array *linkswitches;
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230 Array *libfiles;
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231 char *deffile;
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232 char *resfile;
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233 char *exefile;
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234
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235 // LDC stuff
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236 OUTPUTFLAG output_ll;
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237 OUTPUTFLAG output_bc;
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238 OUTPUTFLAG output_s;
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239 OUTPUTFLAG output_o;
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240 bool llvmAnnotate;
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241 bool useInlineAsm;
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242 bool verbose_cg;
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243 bool useAvailableExternally;
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244
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245 // target stuff
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246 const char* llvmArch;
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247 const char *targetTriple;
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248 const char *dataLayout;
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249 };
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250
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251 struct Global
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252 {
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253 const char *mars_ext;
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254 const char *sym_ext;
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255 const char *obj_ext;
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256 #if _WIN32
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257 char *obj_ext_alt;
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258 #endif
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259 char *ll_ext;
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260 char *bc_ext;
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261 char *s_ext;
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262 const char *lib_ext;
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263 const char *doc_ext; // for Ddoc generated files
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264 const char *ddoc_ext; // for Ddoc macro include files
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265 const char *hdr_ext; // for D 'header' import files
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266 const char *json_ext; // for JSON files
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267 const char *copyright;
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268 const char *written;
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269 Array *path; // Array of char*'s which form the import lookup path
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270 Array *filePath; // Array of char*'s which form the file import lookup path
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271 int structalign;
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272 const char *version;
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273 char *ldc_version;
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274 char *llvm_version;
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275
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276 Param params;
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277 unsigned errors; // number of errors reported so far
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278 unsigned gag; // !=0 means gag reporting of errors
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279
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280 Global();
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281 };
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282
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283 extern Global global;
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284
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285 /* Set if Windows Structured Exception Handling C extensions are supported.
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286 * Apparently, VC has dropped support for these?
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287 */
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288 #define WINDOWS_SEH (_WIN32 && __DMC__)
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289
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290
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291 #ifdef __DMC__
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292 typedef _Complex long double complex_t;
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293 #else
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294 #ifndef IN_GCC
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295 #include "complex_t.h"
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296 #endif
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297 #ifdef __APPLE__
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298 //#include "complex.h"//This causes problems with include the c++ <complex> and not the C "complex.h"
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299 #endif
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300 #endif
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301
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302 // Be careful not to care about sign when using dinteger_t
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303 //typedef uint64_t integer_t;
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304 typedef uint64_t dinteger_t; // use this instead of integer_t to
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305 // avoid conflicts with system #include's
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306
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307 // Signed and unsigned variants
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308 typedef int64_t sinteger_t;
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309 typedef uint64_t uinteger_t;
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310
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311 typedef int8_t d_int8;
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312 typedef uint8_t d_uns8;
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313 typedef int16_t d_int16;
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314 typedef uint16_t d_uns16;
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315 typedef int32_t d_int32;
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316 typedef uint32_t d_uns32;
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317 typedef int64_t d_int64;
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318 typedef uint64_t d_uns64;
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319
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320 typedef float d_float32;
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321 typedef double d_float64;
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322 typedef long double d_float80;
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323
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324 typedef d_uns8 d_char;
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325 typedef d_uns16 d_wchar;
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326 typedef d_uns32 d_dchar;
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327
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328 #ifdef IN_GCC
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329 #include "d-gcc-real.h"
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330 #else
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331 typedef long double real_t;
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332 #endif
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333
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334 // Modify OutBuffer::writewchar to write the correct size of wchar
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335 #if _WIN32
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336 #define writewchar writeword
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337 #else
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338 // This needs a configuration test...
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339 #define writewchar write4
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340 #endif
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341
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342 #ifdef IN_GCC
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343 #include "d-gcc-complex_t.h"
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344 #endif
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345
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346 struct Module;
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347
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348 //typedef unsigned Loc; // file location
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349 struct Loc
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350 {
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351 const char *filename;
159
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352 unsigned linnum;
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353
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354 Loc()
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355 {
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356 linnum = 0;
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357 filename = NULL;
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358 }
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359
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360 Loc(int x)
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361 {
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362 linnum = x;
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363 filename = NULL;
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364 }
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365
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366 Loc(Module *mod, unsigned linnum);
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367
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368 char *toChars() const;
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369 bool equals(const Loc& loc);
159
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370 };
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371
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372 #ifndef GCC_SAFE_DMD
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373 #define TRUE 1
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374 #define FALSE 0
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375 #endif
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376
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377 #define INTERFACE_OFFSET 0 // if 1, put classinfo as first entry
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378 // in interface vtbl[]'s
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379 #define INTERFACE_VIRTUAL 0 // 1 means if an interface appears
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380 // in the inheritance graph multiple
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381 // times, only one is used
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382
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383 enum LINK
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384 {
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385 LINKdefault,
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386 LINKd,
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387 LINKc,
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388 LINKcpp,
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389 LINKwindows,
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390 LINKpascal,
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391
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392 // LDC
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393 LINKintrinsic,
159
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394 };
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395
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396 enum DYNCAST
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397 {
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398 DYNCAST_OBJECT,
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399 DYNCAST_EXPRESSION,
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400 DYNCAST_DSYMBOL,
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401 DYNCAST_TYPE,
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402 DYNCAST_IDENTIFIER,
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403 DYNCAST_TUPLE,
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404 };
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405
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406 enum MATCH
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407 {
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408 MATCHnomatch, // no match
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409 MATCHconvert, // match with conversions
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410 #if DMDV2
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411 MATCHconst, // match with conversion to const
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412 #endif
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413 MATCHexact // exact match
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414 };
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415
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416 void warning(Loc loc, const char *format, ...) IS_PRINTF(2);
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417 void vwarning(Loc loc, const char *format, va_list);
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418 void error(Loc loc, const char *format, ...) IS_PRINTF(2);
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419 void verror(Loc loc, const char *format, va_list);
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420
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421 #ifdef __GNUC__
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422 __attribute__((noreturn))
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423 #endif
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424 void fatal();
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425
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426 void err_nomem();
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427 void inifile(char *argv0, const char *inifile);
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428 void halt();
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429
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430 /*** Where to send error messages ***/
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431 #if IN_GCC || IN_LLVM
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432 #define stdmsg stderr
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433 #else
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434 #define stdmsg stderr
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435 #endif
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436
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437 #endif /* DMD_MARS_H */