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1 #!/usr/bin/perl |
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2 # Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 # All rights reserved. |
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4 # This component and the accompanying materials are made available |
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5 # under the terms of "Eclipse Public License v1.0" |
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6 # which accompanies this distribution, and is available |
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7 # at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 # |
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9 # Initial Contributors: |
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10 # Nokia Corporation - initial contribution. |
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11 # |
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12 # Contributors: |
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13 # |
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14 # Description: |
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15 # e32toolp\e32util\h2inc.pl |
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16 # Convert structures in C++ include files to assembler format |
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17 # Syntax: |
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18 # perl h2inc.pl <input.h> <output.inc> <format> |
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19 # where <format>=arm or x86 |
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20 # |
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21 # |
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22 |
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23 # Version |
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24 my $MajorVersion = 1; |
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25 my $MinorVersion = 1; |
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26 my $PatchVersion = 0; |
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27 |
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28 %basictypes = ( |
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29 TInt8 => 1, |
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30 TUint8 => 1, |
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31 TInt16 => 2, |
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32 TUint16 => 2, |
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33 TInt32 => 4, |
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34 TUint32 => 4, |
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35 TInt => 4, |
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36 TUint => 4, |
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37 TInt64 => 8, |
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38 TUint64 => 8, |
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39 TLinAddr => 4, |
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40 TVersion => 4, |
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41 TPde => 4, |
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42 TPte => 4, |
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43 TProcessPriority => 4 |
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44 ); |
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45 |
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46 if (scalar(@ARGV)!=3) { |
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47 die "H2INC format management tools V$MajorVersion.$MinorVersion.$PatchVersion\nperl h2inc.pl <input.h> <output.inc> <format>\n"; |
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48 } |
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49 my ($infile, $outfile, $format) = @ARGV; |
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50 open IN, $infile or die "Can't open $infile for input\n"; |
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51 my $in; |
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52 while (<IN>) { |
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53 $in.=$_; |
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54 } |
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55 close IN; |
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56 $format = uc($format); |
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57 $format_sub = undef(); |
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58 $comment_sub = undef(); |
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59 $end_sub = undef(); |
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60 if ($format eq "ARMASM") { |
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61 $format_sub = \&armasm_format; |
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62 $comment_sub = \&armasm_comment; |
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63 $end_sub = \&armasm_end; |
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64 } elsif ($format eq "AS") { |
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65 $format_sub = \&as_format; |
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66 $comment_sub = \&as_comment; |
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67 $end_sub = \&as_end; |
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68 } elsif ($format eq "TASM") { |
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69 $format_sub = \&tasm_format; |
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70 $comment_sub = \&tasm_comment; |
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71 $end_sub = \&tasm_end; |
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72 } else { |
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73 die "Format $format unknown\nOnly ARMASM, AS or TASM supported\n"; |
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74 } |
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75 |
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76 # First remove any backslash-newline combinations |
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77 $in =~ s/\\\n//gms; |
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78 |
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79 # Change escaped quotes to double quotes |
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80 $in =~ s/\\\"/\"\"/gms; |
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81 $in =~ s/\\\'/\'\'/gms; |
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82 |
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83 # Remove any character constants |
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84 $in =~ s/\'(.?(${0})*?)\'//gms; |
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85 |
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86 # Remove any string literals |
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87 $in =~ s/\"(.*?)\"//gms; |
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88 |
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89 # Strip comments |
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90 $in =~ s/\/\*(.*?)\*\//\n/gms; |
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91 $in =~ s/\/\/(.*?)\n/\n/gms; |
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92 |
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93 # Collapse whitespace into a single space or newline |
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94 $in =~ s/\t/\ /gms; |
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95 $in =~ s/\r/\ /gms; |
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96 $in =~ s/(\ )+/\ /gms; |
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97 $in =~ s/\n(\ )*/\n/gms; |
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98 $in =~ s/(\ )*\n/\n/gms; |
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99 |
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100 # Tokenize on non-identifier characters |
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101 my @tokens0 = split(/(\W)/,$in); |
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102 my @tokens; |
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103 foreach $t (@tokens0) { |
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104 next if ($t eq " " or $t eq ""); |
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105 push @tokens, $t; |
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106 } |
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107 |
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108 my %macros; |
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109 my %filescope; |
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110 $filescope{file}=1; |
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111 $filescope{name}='*** FILE SCOPE ***'; |
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112 my @ftypedefs; |
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113 $filescope{typedefs}=\@ftypedefs; |
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114 my $line=1; |
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115 parse_scope(\%filescope, \@tokens, \$line); |
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116 |
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117 |
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118 my @output; |
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119 push @output, &$comment_sub('*' x 80); |
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120 push @output, &$comment_sub($outfile); |
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121 push @output, &$comment_sub('*' x 80); |
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122 push @output, &$comment_sub("GENERATED FILE - DO NOT EDIT"); |
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123 push @output, ""; |
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124 |
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125 output_scope(\%filescope, \@output); |
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126 |
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127 push @output, &$end_sub(); |
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128 push @output, ""; |
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129 |
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130 open OUT, ">$outfile" or die "Can't open $outfile for write\n"; |
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131 print OUT join("\n", @output); |
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132 print OUT "\n\n"; |
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133 close OUT; |
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134 |
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135 sub get_token($$) { |
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136 my ($tokenlist,$line) = @_; |
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137 while (scalar(@$tokenlist)) { |
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138 my $t = shift @$tokenlist; |
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139 return $t if (!defined($t)); |
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140 return $t if ($t !~ /^\s*$/); |
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141 ++$$line; |
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142 } |
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143 } |
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144 |
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145 sub skip_qualifiers($) { |
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146 my ($tokens) = @_; |
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147 my $f=0; |
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148 my %quals = ( |
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149 EXPORT_C => 1, |
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150 IMPORT_C => 1, |
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151 inline => 1, |
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152 const => 0, |
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153 volatile => 0, |
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154 static => 0, |
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155 extern => 0, |
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156 LOCAL_C => 0, |
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157 LOCAL_D => 0, |
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158 GLDEF_C => 0, |
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159 GLREF_C => 0, |
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160 GLDEF_D => 0, |
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161 GLREF_D => 0 |
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162 ); |
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163 for (;;) { |
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164 my $t = $$tokens[0]; |
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165 my $q = $quals{$t}; |
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166 last unless (defined ($q)); |
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167 $f |= $q; |
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168 shift @$tokens; |
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169 } |
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170 return $f; |
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171 } |
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172 |
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173 sub parse_indirection($) { |
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174 my ($tokens) = @_; |
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175 my $level = 0; |
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176 for (;;) { |
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177 my $t = $$tokens[0]; |
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178 if ($t eq '*') { |
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179 ++$level; |
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180 shift @$tokens; |
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181 next; |
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182 } |
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183 last if ($t ne "const" and $t ne "volatile"); |
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184 shift @$tokens; |
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185 } |
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186 return $level; |
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187 } |
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188 |
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189 sub parse_scope($$$) { |
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190 my ($scope, $tokens, $line) = @_; |
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191 my $state = 0; |
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192 my %values; |
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193 my @classes; |
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194 my @enums; |
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195 my $curr_offset=0; |
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196 my $overall_align=0; |
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197 $scope->{values}=\%values; |
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198 $scope->{classes}=\@classes; |
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199 $scope->{enums}=\@enums; |
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200 while (scalar(@$tokens)) { |
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201 my $t = shift @$tokens; |
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202 if ($state>=-1 and $t eq "\n") { |
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203 ++$$line; |
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204 $state=1; |
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205 next; |
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206 } elsif ($state==-1 and $t ne "\n") { |
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207 next; |
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208 } elsif ($state==-2 and $t ne ';') { |
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209 next; |
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210 } |
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211 if ($state>0 and $t eq '#') { |
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212 if ($scope->{scope}) { |
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213 warn "Preprocessor directive in class/struct at line $$line\n"; |
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214 } |
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215 $t = shift @$tokens; |
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216 if ($t eq 'define') { |
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217 my $ident = shift @$tokens; |
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218 my $defn = shift @$tokens; |
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219 if ($defn ne '(') { # don't do macros with parameters |
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220 $macros{$ident} = $defn; |
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221 } |
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222 } |
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223 $state=-1; # skip to next line |
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224 next; |
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225 } |
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226 if ($t eq "struct" or $t eq "class") { |
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227 next if ($state==0); |
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228 $state=0; |
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229 my %cl; |
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230 $cl{specifier}=$t; |
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231 $cl{scope}=$scope; |
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232 my @members; |
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233 my @typedefs; |
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234 $cl{members}=\@members; |
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235 $cl{typedefs}=\@typedefs; |
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236 my $new_class = \%cl; |
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237 my $n = get_token($tokens,$line); |
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238 if ($n !~ /\w+/) { |
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239 die "Unnamed $t not supported at line $$line\n"; |
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240 } |
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241 $new_class->{name}=$n; |
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242 my @class_match = grep {$_->{name} eq $n} @classes; |
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243 my $exists = scalar(@class_match); |
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244 my $b = get_token($tokens,$line); |
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245 if ($b eq ':') { |
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246 die "Inheritance not supported at line $$line\n"; |
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247 } elsif ($b eq ';') { |
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248 # forward declaration |
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249 push @classes, $new_class unless ($exists); |
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250 next; |
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251 } elsif ($b ne '{') { |
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252 die "Syntax error at line $$line\n"; |
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253 } |
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254 if ($exists) { |
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255 $new_class = $class_match[0]; |
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256 if ($new_class->{complete}) { |
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257 die "Duplicate definition of $cl{specifier} $n\n"; |
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258 } |
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259 } |
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260 push @classes, $new_class unless ($exists); |
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261 parse_scope($new_class, $tokens, $line); |
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262 next; |
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263 } elsif ($t eq "enum") { |
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264 $state=0; |
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265 my $n = get_token($tokens,$line); |
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266 my $name=""; |
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267 if ($n =~ /\w+/) { |
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268 $name = $n; |
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269 $n = get_token($tokens,$line); |
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270 } |
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271 push @enums, $name; |
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272 if ($n ne '{') { |
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273 die "Syntax error at line $$line\n"; |
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274 } |
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275 parse_enum($scope, $tokens, $line, $name); |
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276 next; |
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277 } elsif ($t eq '}') { |
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278 $state=0; |
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279 if ($scope->{scope}) { |
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280 $t = get_token($tokens,$line); |
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281 if ($t eq ';') { |
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282 $scope->{complete}=1; |
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283 last; |
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284 } |
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285 } |
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286 die "Syntax error at line $$line\n"; |
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287 } |
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288 $state=0; |
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289 if ($scope->{scope}) { |
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290 if ($t eq "public" or $t eq "private" or $t eq "protected") { |
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291 if (shift (@$tokens) eq ':') { |
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292 next; # ignore access specifiers |
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293 } |
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294 die "Syntax error at line $$line\n"; |
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295 } |
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296 } |
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297 unshift @$tokens, $t; |
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298 my @currdecl = parse_decl_def($scope, $tokens, $line); |
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299 if ($t eq 'static') { |
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300 next; # skip static members |
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301 } |
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302 my $typedef; |
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303 if ($t eq 'typedef') { |
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304 $typedef = 1; |
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305 $t = shift @currdecl; |
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306 $t = $currdecl[0]; |
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307 } else { |
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308 $typedef = 0; |
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309 } |
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310 next if (scalar(@currdecl)==0); |
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311 if ($t eq "const") { |
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312 # check for constant declaration |
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313 my $ctype = lookup_type($scope, $currdecl[1]); |
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314 if ($ctype->{basic} and $currdecl[2]=~/^\w+$/ and $currdecl[3] eq '=') { |
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315 if ($typedef!=0) { |
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316 die "Syntax error at line $$line\n"; |
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317 } |
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318 shift @currdecl; |
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319 shift @currdecl; |
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320 my $type = $ctype->{name}; |
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321 my $name = shift @currdecl; |
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322 my $size = $ctype->{size}; |
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323 shift @currdecl; |
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324 my $value = get_constant_expr($scope,\@currdecl,$line); |
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325 $values{$name} = {type=>$type, size=>$size, value=>$value}; |
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326 next; |
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327 } |
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328 } |
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329 if (skip_qualifiers(\@currdecl)!=0 or ($scope->{file} and !$typedef)) { |
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330 next; # function declaration or stuff at file scope |
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331 } |
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332 my $type1 = shift @currdecl; # type, type pointed to or return type |
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333 if ($type1 !~ /^\w+$/) { |
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334 die "Syntax error at line $$line\n"; |
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335 } |
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336 my $ind1 = parse_indirection(\@currdecl); |
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337 my $ident; # identifier being declared |
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338 my $size = -1; |
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339 my $array = -1; |
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340 my $align = 0; |
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341 my $alias; |
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342 my $category; |
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343 if ($currdecl[0] eq '(' and $currdecl[1] eq '*' and $currdecl[2]=~/^\w+$/) { |
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344 # function pointer |
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345 $ident = $currdecl[2]; |
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346 $size = 4; |
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347 $category = 'fptr'; |
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348 shift @currdecl; |
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349 shift @currdecl; |
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350 shift @currdecl; |
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351 } elsif ($currdecl[0]=~/^\w+$/) { |
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352 $ident = shift @currdecl; |
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353 if ($currdecl[0] ne '(') { |
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354 # not function declaration |
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355 if ($ind1>0) { |
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356 # pointer |
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357 $category = 'ptr'; |
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358 $size = 4; |
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359 } else { |
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360 my $type2 = lookup_type($scope, $type1); |
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361 if (!defined($type2)) { |
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362 die "Unrecognised type $type1 at line $$line\n"; |
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363 } |
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364 if ($type2->{basic}) { |
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365 $alias = $type2->{name}; |
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366 $size = $type2->{size}; |
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367 $category = 'basic'; |
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368 } elsif ($type2->{enum}) { |
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369 $alias = $type2->{name}; |
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370 $category = 'enum'; |
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371 $size = 4; |
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372 } elsif ($type2->{class}) { |
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373 $alias = $type2->{name}; |
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374 $size = $type2->{class}->{size}; |
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375 $category = 'class'; |
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376 $align = $type2->{class}->{align}; |
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377 } elsif ($type->{ptr}) { |
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378 $size = 4; |
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379 $category = 'ptr'; |
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380 $align = 4; |
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381 } elsif ($type->{fptr}) { |
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382 $size = 4; |
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383 $category = 'ptr'; |
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384 $align = 4; |
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385 } |
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386 } |
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387 } |
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388 } |
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389 if ($size>0) { |
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390 # data member declared |
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391 # check for array |
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392 if ($currdecl[0] eq '[') { |
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393 shift @currdecl; |
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394 $array = get_constant_expr($scope, \@currdecl, $line); |
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395 if ($array<=0) { |
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396 die "Bad array size at line $$line\n"; |
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397 } |
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398 if ($currdecl[0] ne ']') { |
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399 die "Syntax error at line $$line\n"; |
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400 } |
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401 } |
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402 my $members = $scope->{members}; |
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403 my $typedefs = $scope->{typedefs}; |
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404 if ($align==0) { |
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405 $align = $size; |
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406 } |
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407 my $am = $align-1; |
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408 unless ($typedef) { |
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409 my $al = $curr_offset & $am; |
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410 if ($align==8 and $al!=0) { |
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411 die "Bad alignment of 64-bit data $ident at line $$line\n"; |
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412 } |
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413 $curr_offset += ($align-$al) if ($al!=0); |
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414 } |
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415 if ($array>0) { |
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416 $size = ($size + $am) &~ $am; |
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417 if ($typedef) { |
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418 push @$typedefs, {name=>$ident, category=>$category, alias=>$alias, size=>$size*$array, spacing=>$size, array=>$array}; |
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419 } else { |
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420 push @$members, {name=>$ident, size=>$size*$array, offset=>$curr_offset, spacing=>$size}; |
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421 } |
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422 $size *= $array; |
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423 } else { |
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424 if ($typedef) { |
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425 push @$typedefs, {name=>$ident, category=>$category, alias=>$alias, size=>$size}; |
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426 } else { |
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427 push @$members, {name=>$ident, size=>$size, offset=>$curr_offset}; |
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428 } |
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429 } |
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430 unless ($typedef) { |
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431 $curr_offset += $size; |
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432 if ($align > $overall_align) { |
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433 $overall_align = $align; |
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434 } |
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435 } |
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436 } |
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437 } |
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438 if ($scope->{scope}) { |
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439 if ($state==-2) { |
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440 die "Missing ; at end of file\n"; |
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441 } |
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442 if (!$scope->{complete}) { |
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443 die "Unexpected end of file at line $$line\n"; |
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444 } |
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445 my $total_size = ($curr_offset + $overall_align - 1) &~ ($overall_align - 1); |
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446 $scope->{size} = $total_size; |
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447 $scope->{align} = $overall_align; |
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448 } |
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449 } |
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450 |
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451 sub get_operand($$$) { |
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452 my ($scope,$tokens,$line) = @_; |
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453 my $t = get_token($tokens,$line); |
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454 if ($t eq '-') { |
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455 my $x = get_operand($scope,$tokens,$line); |
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456 return -$x; |
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457 } elsif ($t eq '+') { |
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458 my $x = get_operand($scope,$tokens,$line); |
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459 return $x; |
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460 } elsif ($t eq '~') { |
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461 my $x = get_operand($scope,$tokens,$line); |
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462 return ~$x; |
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463 } elsif ($t eq '!') { |
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464 my $x = get_operand($scope,$tokens,$line); |
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465 return $x ? 0 : 1; |
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466 } elsif ($t eq '(') { |
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467 my $x = get_constant_expr($scope,$tokens,$line); |
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468 my $t = get_token($tokens,$line); |
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469 if ($t ne ')') { |
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470 die "Missing ) at line $$line\n"; |
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471 } |
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472 return $x; |
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473 } elsif ($t eq "sizeof") { |
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474 my $ident = get_token($tokens,$line); |
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475 if ($ident eq '(') { |
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476 $ident = get_token($tokens,$line); |
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477 my $cb = get_token($tokens,$line); |
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478 if ($cb ne ')') { |
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479 die "Bad sizeof() syntax at line $$line\n"; |
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480 } |
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481 } |
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482 $ident = look_through_macros($ident); |
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483 if ($ident !~ /^\w+$/) { |
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484 die "Bad sizeof() syntax at line $$line\n"; |
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485 } |
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486 my $type = lookup_type($scope, $ident); |
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487 if (!defined $type) { |
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488 die "Unrecognised type $ident at line $$line\n"; |
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489 } |
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490 if ($type->{basic}) { |
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491 return $type->{size}; |
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492 } elsif ($type->{enum}) { |
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493 return 4; |
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494 } elsif ($type->{ptr}) { |
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495 return 4; |
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496 } elsif ($type->{fptr}) { |
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497 return 4; |
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498 } |
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499 my $al = $type->{class}->{align}; |
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500 my $sz = $type->{class}->{size}; |
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501 return ($sz+$al-1)&~($al-1); |
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502 } |
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503 $t = look_through_macros($t); |
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504 if ($t =~ /^0x[0-9a-f]+/i) { |
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505 return oct($t); |
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506 } elsif ($t =~ /^\d/) { |
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507 return $t; |
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508 } elsif ($t =~ /^\w+$/) { |
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509 my $x = lookup_value($scope,$t); |
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510 die "Unrecognised identifier '$t' at line $$line\n" unless defined($x); |
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511 return $x; |
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512 } else { |
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513 die "Syntax error at line $$line\n"; |
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514 } |
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515 } |
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516 |
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517 sub look_through_macros($) { |
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518 my ($ident) = @_; |
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519 while ($ident and $macros{$ident}) { |
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520 $ident = $macros{$ident}; |
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521 } |
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522 return $ident; |
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523 } |
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524 |
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525 sub lookup_value($$) { |
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526 my ($scope,$ident) = @_; |
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527 while ($scope) { |
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528 my $vl = $scope->{values}; |
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529 if (defined($vl->{$ident})) { |
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530 return $vl->{$ident}->{value}; |
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531 } |
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532 $scope = $scope->{scope}; |
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533 } |
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534 return undef(); |
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535 } |
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536 |
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537 sub lookup_type($$) { |
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538 my ($scope,$ident) = @_; |
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539 if ($basictypes{$ident}) { |
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540 return {scope=>$scope, basic=>1, name=>$ident, size=>$basictypes{$ident} }; |
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541 } |
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542 while ($scope) { |
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543 if ($basictypes{$ident}) { |
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544 return {scope=>$scope, basic=>1, name=>$ident, size=>$basictypes{$ident} }; |
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545 } |
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546 my $el = $scope->{enums}; |
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547 my $cl = $scope->{classes}; |
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548 my $td = $scope->{typedefs}; |
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549 if (grep {$_ eq $ident} @$el) { |
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550 return {scope=>$scope, enum=>1, name=>$ident, size=>4 }; |
|
551 } |
|
552 my @match_class = (grep {$_->{name} eq $ident} @$cl); |
|
553 if (scalar(@match_class)) { |
|
554 return {scope=>$scope, class=>$match_class[0]}; |
|
555 } |
|
556 my @match_td = (grep {$_->{name} eq $ident} @$td); |
|
557 if (scalar(@match_td)) { |
|
558 my $tdr = $match_td[0]; |
|
559 my $cat = $tdr->{category}; |
|
560 if ($cat eq 'basic' or $cat eq 'enum' or $cat eq 'class') { |
|
561 $ident = $tdr->{alias}; |
|
562 next; |
|
563 } else { |
|
564 return { scope=>$scope, $cat=>1, $size=>$tdr->{size} }; |
|
565 } |
|
566 } |
|
567 $scope = $scope->{scope}; |
|
568 } |
|
569 return undef(); |
|
570 } |
|
571 |
|
572 sub get_mult_expr($$$) { |
|
573 my ($scope,$tokens,$line) = @_; |
|
574 my $x = get_operand($scope,$tokens,$line); |
|
575 my $t; |
|
576 for (;;) { |
|
577 $t = get_token($tokens,$line); |
|
578 if ($t eq '*') { |
|
579 my $y = get_operand($scope,$tokens,$line); |
|
580 $x = $x * $y; |
|
581 } elsif ($t eq '/') { |
|
582 my $y = get_operand($scope,$tokens,$line); |
|
583 $x = int($x / $y); |
|
584 } elsif ($t eq '%') { |
|
585 my $y = get_operand($scope,$tokens,$line); |
|
586 $x = int($x % $y); |
|
587 } else { |
|
588 last; |
|
589 } |
|
590 } |
|
591 unshift @$tokens, $t; |
|
592 return $x; |
|
593 } |
|
594 |
|
595 sub get_add_expr($$$) { |
|
596 my ($scope,$tokens,$line) = @_; |
|
597 my $x = get_mult_expr($scope,$tokens,$line); |
|
598 my $t; |
|
599 for (;;) { |
|
600 $t = get_token($tokens,$line); |
|
601 if ($t eq '+') { |
|
602 my $y = get_mult_expr($scope,$tokens,$line); |
|
603 $x = $x + $y; |
|
604 } elsif ($t eq '-') { |
|
605 my $y = get_mult_expr($scope,$tokens,$line); |
|
606 $x = $x - $y; |
|
607 } else { |
|
608 last; |
|
609 } |
|
610 } |
|
611 unshift @$tokens, $t; |
|
612 return $x; |
|
613 } |
|
614 |
|
615 sub get_shift_expr($$$) { |
|
616 my ($scope,$tokens,$line) = @_; |
|
617 my $x = get_add_expr($scope,$tokens,$line); |
|
618 my $t, $t2; |
|
619 for (;;) { |
|
620 $t = get_token($tokens,$line); |
|
621 if ($t eq '<' or $t eq '>') { |
|
622 $t2 = get_token($tokens,$line); |
|
623 if ($t2 ne $t) { |
|
624 unshift @$tokens, $t2; |
|
625 last; |
|
626 } |
|
627 } |
|
628 if ($t eq '<') { |
|
629 my $y = get_add_expr($scope,$tokens,$line); |
|
630 $x = $x << $y; |
|
631 } elsif ($t eq '>') { |
|
632 my $y = get_add_expr($scope,$tokens,$line); |
|
633 $x = $x >> $y; |
|
634 } else { |
|
635 last; |
|
636 } |
|
637 } |
|
638 unshift @$tokens, $t; |
|
639 return $x; |
|
640 } |
|
641 |
|
642 sub get_and_expr($$$) { |
|
643 my ($scope,$tokens,$line) = @_; |
|
644 my $x = get_shift_expr($scope,$tokens,$line); |
|
645 my $t; |
|
646 for (;;) { |
|
647 $t = get_token($tokens,$line); |
|
648 if ($t eq '&') { |
|
649 my $y = get_shift_expr($scope,$tokens,$line); |
|
650 $x = $x & $y; |
|
651 } else { |
|
652 last; |
|
653 } |
|
654 } |
|
655 unshift @$tokens, $t; |
|
656 return $x; |
|
657 } |
|
658 |
|
659 sub get_xor_expr($$$) { |
|
660 my ($scope,$tokens,$line) = @_; |
|
661 my $x = get_and_expr($scope,$tokens,$line); |
|
662 my $t; |
|
663 for (;;) { |
|
664 $t = get_token($tokens,$line); |
|
665 if ($t eq '^') { |
|
666 my $y = get_and_expr($scope,$tokens,$line); |
|
667 $x = $x ^ $y; |
|
668 } else { |
|
669 last; |
|
670 } |
|
671 } |
|
672 unshift @$tokens, $t; |
|
673 return $x; |
|
674 } |
|
675 |
|
676 sub get_ior_expr($$$) { |
|
677 my ($scope,$tokens,$line) = @_; |
|
678 my $x = get_xor_expr($scope,$tokens,$line); |
|
679 my $t; |
|
680 for (;;) { |
|
681 $t = get_token($tokens,$line); |
|
682 if ($t eq '|') { |
|
683 my $y = get_xor_expr($scope,$tokens,$line); |
|
684 $x = $x | $y; |
|
685 } else { |
|
686 last; |
|
687 } |
|
688 } |
|
689 unshift @$tokens, $t; |
|
690 return $x; |
|
691 } |
|
692 |
|
693 sub get_constant_expr($$$) { |
|
694 my ($scope,$tokens,$line) = @_; |
|
695 my $x = get_ior_expr($scope,$tokens,$line); |
|
696 return $x; |
|
697 } |
|
698 |
|
699 sub parse_enum($$$$) { |
|
700 my ($scope,$tokens,$line,$enum_name) = @_; |
|
701 my $vl = $scope->{values}; |
|
702 my $x = 0; |
|
703 for (;;) { |
|
704 my $t = get_token($tokens,$line); |
|
705 last if ($t eq '}'); |
|
706 if (!defined($t)) { |
|
707 die "Unexpected end of file at line $$line\n"; |
|
708 } |
|
709 if ($t !~ /^\w+$/) { |
|
710 die "Syntax error at line $$line\n"; |
|
711 } |
|
712 if (defined($vl->{$t})) { |
|
713 die "Duplicate identifier at line $$line\n"; |
|
714 } |
|
715 my $t2 = get_token($tokens,$line); |
|
716 if ($t2 eq ',') { |
|
717 $vl->{$t} = {type=>$enum_name, size=>4, value=>$x, enum=>1}; |
|
718 ++$x; |
|
719 } elsif ($t2 eq '}') { |
|
720 $vl->{$t} = {type=>$enum_name, size=>4, value=>$x, enum=>1}; |
|
721 ++$x; |
|
722 last; |
|
723 } elsif ($t2 eq '=') { |
|
724 $x = get_constant_expr($scope, $tokens, $line); |
|
725 $vl->{$t} = {type=>$enum_name, size=>4, value=>$x, enum=>1}; |
|
726 ++$x; |
|
727 $t2 = get_token($tokens,$line); |
|
728 last if ($t2 eq '}'); |
|
729 next if ($t2 eq ','); |
|
730 die "Syntax error at line $$line\n"; |
|
731 } else { |
|
732 unshift @$tokens, $t2; |
|
733 } |
|
734 } |
|
735 my $t = get_token($tokens,$line); |
|
736 if ($t ne ';') { |
|
737 die "Missing ; at line $$line\n"; |
|
738 } |
|
739 } |
|
740 |
|
741 sub parse_decl_def($$$) { |
|
742 my ($scope,$tokens,$line) = @_; |
|
743 my $level=0; |
|
744 my @decl; |
|
745 while ( scalar(@$tokens) ) { |
|
746 my $t = get_token($tokens, $line); |
|
747 if ($t eq ';' and $level==0) { |
|
748 return @decl; |
|
749 } |
|
750 push @decl, $t; |
|
751 if ($t eq '{') { |
|
752 ++$level; |
|
753 } |
|
754 if ($t eq '}') { |
|
755 if ($level==0) { |
|
756 die "Syntax error at line $$line\n"; |
|
757 } |
|
758 if (--$level==0) { |
|
759 return (); # end of function definition reached |
|
760 } |
|
761 } |
|
762 } |
|
763 die "Unexpected end of file at line $$line\n"; |
|
764 } |
|
765 |
|
766 sub dump_scope($) { |
|
767 my ($scope) = @_; |
|
768 my $el = $scope->{enums}; |
|
769 my $cl = $scope->{classes}; |
|
770 my $vl = $scope->{values}; |
|
771 print "SCOPE: $scope->{name}\n"; |
|
772 if (scalar(@$el)) { |
|
773 print "\tenums:\n"; |
|
774 foreach (@$el) { |
|
775 print "\t\t$_\n"; |
|
776 } |
|
777 } |
|
778 if (scalar(keys(%$vl))) { |
|
779 print "\tvalues:\n"; |
|
780 foreach $vname (keys(%$vl)) { |
|
781 my $v = $vl->{$vname}; |
|
782 my $x = $v->{value}; |
|
783 my $t = $v->{type}; |
|
784 my $sz = $v->{size}; |
|
785 if ($v->{enum}) { |
|
786 print "\t\t$vname\=$x (enum $t) size=$sz\n"; |
|
787 } else { |
|
788 print "\t\t$vname\=$x (type $t) size=$sz\n"; |
|
789 } |
|
790 } |
|
791 } |
|
792 if ($scope->{scope}) { |
|
793 my $members = $scope->{members}; |
|
794 foreach (@$members) { |
|
795 my $n = $_->{name}; |
|
796 my $sz = $_->{size}; |
|
797 my $off = $_->{offset}; |
|
798 my $spc = $_->{spacing}; |
|
799 if (defined $spc) { |
|
800 print "\t$n\[\]\: spacing $spc size $sz offset $off\n"; |
|
801 } else { |
|
802 print "\t$n\: size $sz offset $off\n"; |
|
803 } |
|
804 } |
|
805 print "\tOverall size : $scope->{size}\n"; |
|
806 print "\tOverall align: $scope->{align}\n"; |
|
807 } |
|
808 foreach $s (@$cl) { |
|
809 dump_scope($s); |
|
810 } |
|
811 } |
|
812 |
|
813 sub output_scope($$) { |
|
814 my ($scope, $out) = @_; |
|
815 my $el = $scope->{enums}; |
|
816 my $cl = $scope->{classes}; |
|
817 my $vl = $scope->{values}; |
|
818 my $sn = scope_full_name($scope); |
|
819 my $sp = ($scope->{file}) ? "" : $sn."_"; |
|
820 if ($scope->{file}) { |
|
821 push @$out, ""; |
|
822 push @$out, &$comment_sub("FILE SCOPE"); |
|
823 push @$out, ""; |
|
824 } else { |
|
825 push @$out, ""; |
|
826 push @$out, &$comment_sub($scope->{specifier}." ".$scope->{name}); |
|
827 push @$out, ""; |
|
828 } |
|
829 if (scalar(keys(%$vl))) { |
|
830 foreach $vname (keys(%$vl)) { |
|
831 my $v = $vl->{$vname}; |
|
832 my $x = $v->{value}; |
|
833 my $t = $v->{type}; |
|
834 my $sz = $v->{size}; |
|
835 push @$out, &$format_sub($sp.$vname, $x); |
|
836 } |
|
837 } |
|
838 if ($scope->{scope}) { |
|
839 my $members = $scope->{members}; |
|
840 foreach (@$members) { |
|
841 my $n = $_->{name}; |
|
842 my $sz = $_->{size}; |
|
843 my $off = $_->{offset}; |
|
844 my $spc = $_->{spacing}; |
|
845 push @$out, &$format_sub($sp.$n, $off); |
|
846 if (defined $spc) { |
|
847 push @$out, &$format_sub($sp.$n."_spc", $spc); |
|
848 } |
|
849 } |
|
850 push @$out, &$format_sub($sp."sz", $scope->{size}); |
|
851 } |
|
852 foreach $s (@$cl) { |
|
853 if ($s->{complete}) { |
|
854 output_scope($s, $out); |
|
855 } |
|
856 } |
|
857 } |
|
858 |
|
859 sub scope_full_name($) { |
|
860 my ($scope) = @_; |
|
861 if ($scope->{file}) { |
|
862 return ""; |
|
863 } |
|
864 my $parent = $scope->{scope}; |
|
865 if ($parent->{file}) { |
|
866 return $scope->{name}; |
|
867 } |
|
868 return scope_full_name($parent)."_".$scope->{name}; |
|
869 } |
|
870 |
|
871 sub pad($$) { |
|
872 my ($lineref, $n) = @_; |
|
873 my $l = length ($$lineref); |
|
874 if ($l < $n) { |
|
875 $$lineref .= ' 'x($n-$l); |
|
876 } |
|
877 } |
|
878 |
|
879 # |
|
880 # Subroutines for ARMASM compatible output |
|
881 # |
|
882 sub armasm_format($$;$) { |
|
883 my ($name, $value, $comment) = @_; |
|
884 my $r = "$name "; |
|
885 pad(\$r, 40); |
|
886 $r .= sprintf("EQU 0x%08x", $value & 0xFFFFFFFF); |
|
887 if ($comment and $comment!~/^\s*$/) { |
|
888 $r .= " "; |
|
889 pad(\$r, 60); |
|
890 $r .= "; $comment"; |
|
891 } |
|
892 return $r; |
|
893 } |
|
894 |
|
895 sub armasm_comment($) { |
|
896 my ($comment) = @_; |
|
897 return "; $comment"; |
|
898 } |
|
899 |
|
900 sub armasm_end() { |
|
901 return "\n\tEND\n"; |
|
902 } |
|
903 |
|
904 # |
|
905 # Subroutines for GNU AS compatible output |
|
906 # |
|
907 sub as_format($$;$) { |
|
908 my ($name, $value, $comment) = @_; |
|
909 my $r = " .equ $name, "; |
|
910 pad(\$r, 50); |
|
911 $r .= sprintf("0x%08x", $value & 0xFFFFFFFF); |
|
912 if ($comment and $comment!~/^\s*$/) { |
|
913 $r .= " "; |
|
914 pad(\$r, 65); |
|
915 $r .= "/* $comment */"; |
|
916 } |
|
917 return $r; |
|
918 } |
|
919 |
|
920 sub as_comment($) { |
|
921 my ($comment) = @_; |
|
922 if (length ($comment) > 0) { |
|
923 return "/* $comment */"; |
|
924 } else { |
|
925 return ""; |
|
926 } |
|
927 } |
|
928 |
|
929 sub as_end() { |
|
930 return ""; |
|
931 } |
|
932 |
|
933 # |
|
934 # Subroutines for Turbo Assembler compatible output |
|
935 # |
|
936 sub tasm_format($$;$) { |
|
937 my ($name, $value, $comment) = @_; |
|
938 my $r = "$name "; |
|
939 pad(\$r, 40); |
|
940 $r .= sprintf("EQU 0%08xh", $value & 0xFFFFFFFF); |
|
941 if ($comment and $comment!~/^\s*$/) { |
|
942 $r .= " "; |
|
943 pad(\$r, 60); |
|
944 $r .= "; $comment"; |
|
945 } |
|
946 return $r; |
|
947 } |
|
948 |
|
949 sub tasm_comment($) { |
|
950 my ($comment) = @_; |
|
951 return "; $comment"; |
|
952 } |
|
953 |
|
954 sub tasm_end() { |
|
955 return ""; |
|
956 } |