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