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annotate dang/compiler.d @ 97:198ad05f3ace new_gen

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"-c" as argument now generates out.o (only works on linux now)
author Anders Johnsen <skabet@gmail.com>
date Tue, 06 May 2008 21:28:05 +0200
parents 48bb2287c035
children 5f258eaf9517
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 module dang.compiler;
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2
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3 import tango.io.Stdout,
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4 tango.core.Signal,
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5 tango.core.Memory,
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6 tango.sys.Process,
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7 tango.time.StopWatch,
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8 tango.io.FileConduit,
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9 tango.io.FilePath;
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10
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11 import lexer.Lexer,
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12 parser.Parser;
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13
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14 import basic.SourceManager;
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15
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16 import basic.Message;
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17
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18 import ast.Module;
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19
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20 import tools.AstPrinter,
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21 tools.DotPrinter;
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22
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23 import gen.CodeGen;
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24
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25 import sema.Visitor,
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26 sema.AstAction,
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27 sema.ScopeBuilder,
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28 sema.ScopeCheck,
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29 sema.TypeCheck;
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31 import tango.stdc.posix.unistd;
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33 import Opt = dang.OptParse;
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34
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35 void checkFiles(char[][] *files)
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36 {
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37 GC.disable();
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38 bool non_existant_files = false;
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39 bool duplicate_files = false;
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40
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41 char[][] validFiles;
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42
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43 foreach (file; *files)
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44 {
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45 scope path = new FilePath(file);
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46
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47 if (!path.exists)
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48 {
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49 Stderr.formatln("'{}' does not exist", file).newline;
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50 non_existant_files = true;
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51
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52 continue;
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53 }
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54
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55 bool fileInStack = false;
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56 foreach (vFile; validFiles)
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57 if (vFile == file)
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58 {
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59 fileInStack = true;
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60 duplicate_files = true;
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61 }
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63 if (fileInStack)
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64 continue;
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65
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66 validFiles ~= file;
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67 }
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68
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69 *files = validFiles;
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71 if (non_existant_files)
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72 throw new Exception("All files given must exist");
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73 if (duplicate_files)
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74 Stderr("warning: duplicate files ignored").newline;
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75 }
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76
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77 void main(char[][] args)
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78 {
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79 char[][] filesToHandle;
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80
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81 Signal!(char[][]*) preStart;
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82
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83 Signal!(char[]) preLex;
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84 Signal!(Lexer) postLex;
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86 Signal!(Lexer) preParse;
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87 Signal!(Module, SourceManager) postParse;
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89 preStart.attach(&checkFiles);
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91 auto argParse = new Opt.OptionParser(`Dang "D" compiler v0.0`);
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92
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93 bool optimize = false;
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94 bool inline = false;
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97 SourceManager src_mgr = new SourceManager;
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98 MessageHandler messages = new MessageHandler(src_mgr);
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99
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100 argParse.addOption(["-h", "--help"], Opt.Action.Help)
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101 .help("Show this help message");
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102
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103 argParse.addOption(["--ast-dump-dot"],
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104 "what-to-do", Opt.Action.StoreConst, "dot")
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105 .help("Output the AST in the dot format");
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106 argParse.addOption(["--ast-dump-code"],
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107 "what-to-do", Opt.Action.StoreConst, "code")
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108 .help("Output the AST as code");
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109 argParse.addOption(["--gen-llvm"],
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110 "what-to-do", Opt.Action.StoreConst, "gen-llvm")
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111 .help("Compile to LLVM code (default)");
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112 argParse.addOption(["-c"],
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113 "what-to-do", Opt.Action.StoreConst, "compile")
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114 .help("Compile to .o or executeable");
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115
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116 argParse.addOption(
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117 ["-O","--optimize"], {
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118 optimize = true;
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119 }
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120 ).help("Tell LLVM to do its standard optimizations");
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121
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122 argParse.addOption(
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123 ["--inline"], {
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124 inline = true;
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125 }
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126 ).help("Tell LLVM that its allowed to inline functions");
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127
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128 argParse
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129 .addOption(["--time"], Opt.Action.SetTrue, "time")
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130 .help("Time the various operations performed.");
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131
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132 auto options = argParse.parse(args);
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133
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134 filesToHandle ~= options.args;
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135
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136 // Will throw exception if some files don't exist
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137 preStart(&filesToHandle);
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138
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139 struct Measurement { char[] label; double time; }
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140 Measurement[] timings;
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141
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142 auto what = options["what-to-do"];
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143 if (what == "" || what == "gen-llvm")
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144 postParse.attach(
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145 (Module m, SourceManager sm) {
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146 StopWatch w; w.start;
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147 auto llvmGen = new CodeGen();
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148 auto file = new FileConduit("out.bc", FileConduit.WriteCreate);
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149 llvmGen.gen(m, file.fileHandle, optimize, inline);
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150 timings ~= Measurement("Generating LLVM bytecode", w.stop);
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151 });
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152 else if (what == "compile")
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153 postParse.attach(
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154 (Module m, SourceManager sm) {
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155 StopWatch w; w.start;
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156 auto llvmGen = new CodeGen();
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157 auto llc = new Process("llc","-o=-");
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158 auto gcc = new Process("gcc","-c","-o","out.o","-x","assembler","-");
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159 llc.execute();
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160 int i = dup(llc.stdin.fileHandle);
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161 llc.stdin.detach;
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162 llvmGen.gen(m, i, optimize, inline);
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163 llc.wait();
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164 gcc.execute();
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165 gcc.stdin.copy(llc.stdout);
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166 gcc.stdin.detach;
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167 gcc.wait();
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168
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169 timings ~= Measurement("Generating assemble bytecode", w.stop);
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170 });
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171 else if (what == "dot")
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172 postParse.attach(
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173 (Module m, SourceManager sm) {
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174 StopWatch w; w.start;
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175 auto print = new DotPrinter();
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176 print.print(m);
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177 timings ~= Measurement("Generating dot output", w.stop);
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178 });
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179 else if (what == "code")
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180 postParse.attach(
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181 (Module m, SourceManager sm) {
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182 StopWatch w; w.start;
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183 auto print = new AstPrinter(sm);
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184 print.print(m);
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185 timings ~= Measurement("Converting AST to text", w.stop);
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186 });
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187 StopWatch total;
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188 total.start;
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189 foreach (file; filesToHandle)
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190 {
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191 preLex(file);
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192
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193 auto start = src_mgr.addFile(file);
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194 auto lexer = new Lexer(start, src_mgr, messages);
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195 postLex(lexer);
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196
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197 preParse(lexer);
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198
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199 StopWatch watch;
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200 watch.start;
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201 auto parser = new Parser(messages);
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202 auto action = new AstAction(src_mgr);
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203 auto m = cast(Module)parser.parse(src_mgr, lexer, action);
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204 timings ~= Measurement("Lex + Parse", watch.stop);
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205 messages.checkErrors(ExitLevel.Parser);
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206
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207 StopWatch watch2;
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208 watch.start;
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209 watch2.start;
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210 (new ScopeBuilder).visit(m);
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211 auto scope_builder = watch2.stop;
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212 watch2.start;
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213 (new ScopeCheck).visit(m);
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214 auto scope_check = watch2.stop;
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215 watch2.start;
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216 (new TypeCheck).visit(m);
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217 auto type_check = watch2.stop;
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218 watch2.start;
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219
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220 foreach (decl; m.decls)
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221 decl.simplify();
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222 auto simplify = watch2.stop;
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223 auto extra_stuff = watch.stop;
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224 timings ~= Measurement("Extra stuff", watch.stop);
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225 timings ~= Measurement(" - Building scopes", scope_builder);
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226 timings ~= Measurement(" - Checking scopes", scope_check);
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227 timings ~= Measurement(" - Checking types", type_check);
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228
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229 postParse(m, src_mgr);
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230 }
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231 timings ~= Measurement("Total", total.stop);
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232
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233 if (options.flag("time"))
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234 foreach (m; timings)
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235 Stderr.formatln("{,-45} {}ms", m.label, m.time*1e3);
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236 }
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237