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151 lines
3.3 KiB
Tcl
Executable File
151 lines
3.3 KiB
Tcl
Executable File
#!/usr/bin/tclsh
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#
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# \brief Convert C++ code to html
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# \author Norman Feske
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# \date 2008-06-14
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#
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#################################################
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## Read input and fill internal representation ##
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#################################################
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##
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# Find location of 'parse_cxx'
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#
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# We expect to find 'parse_cxx' in the same directory
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# as we are located. The question is: Where are we?
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##
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proc parse_cxx_file { } {
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global argv0
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set path $argv0
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if {[file type $path] == "link"} {
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set path [file readlink $path] }
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set parse_cxx_file "[file dirname $path]/parse_cxx"
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if {![file exists $parse_cxx_file]} {
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puts stderr "Error: Could not find 'parse_cxx' in '$path'."
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exit -1
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}
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return $parse_cxx_file
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}
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set input_source [lindex $argv end]
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if {[catch {
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if {[info exists input_token_file]} {
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set tokens [exec cat $input_token_file]
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} else {
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set tokens [exec [parse_cxx_file] -format tokens $input_source]
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}
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}]} {
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puts stderr ""
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puts stderr "Convert C++ code to HTML"
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puts stderr "\n usage: cxx_to_html \[<source_file>\]"
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puts stderr ""
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puts stderr "The result of the conversion will be written to stdout."
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puts stderr ""
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exit -1;
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}
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foreach token $tokens {
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set name [lindex $token 0]
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set line [lindex $token 1]
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set text [lindex $token 2]
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set tok_text($name) "$text"
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set tok_line($name) $line
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}
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if {![info exists tok_text(content0)]} {
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puts stderr "Error: input contains no root token 'content0'."
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exit -1
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}
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proc tok_type {token} {
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regexp {[a-z]+} $token type
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return $type
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}
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proc line_tag {line_num} {
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set line "$line_num\\\ \\\ "
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if {$line_num < 1000} { set line "\\\ $line" }
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if {$line_num < 100} { set line "\\\ $line" }
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if {$line_num < 10} { set line "\\\ $line" }
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return "<code id=\"line\">$line</code>"
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}
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##
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# Output syntax tree as HTML
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##
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proc dump_source {{token content0}} {
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global tok_text
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global line_num
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set output $tok_text($token)
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set curr_tok_type [tok_type $token]
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if {$token == "content0"} {
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set line_num 1
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puts -nonewline "<code id=\"line\">\ \ \ 1\ \ </code>"
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incr line_num
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}
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if {$curr_tok_type != "identifier"} {
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puts -nonewline "<code id=\"$curr_tok_type\">"
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}
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while {$output != ""} {
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# consume plain text
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if {[regexp {^[^§]+} $output plain]} {
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# perform character substitutions for xml compliance
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regsub -all {³} $plain "\\\&" plain
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regsub -all {<} $plain "\\\<" plain
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regsub -all {>} $plain "\\\>" plain
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regsub -all "\"" $plain "\\\"" plain
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# because of a bug in plone/zope, which somehow strips the trailing semicolon
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# on html output, we cannot use '
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#regsub -all "'" $plain "\\\'" plain
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regsub -all "'" $plain "`" plain
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regsub -all " " $plain "\\\ " plain
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regsub -all "\t" $plain "\\\ \\\ \\\ " plain
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while {[regexp "\n" $plain dummy]} {
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regsub "\n" $plain "<br />[line_tag $line_num]" plain
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incr line_num
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}
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regsub -all "\<br \/\>" $plain "<br />\n" plain
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puts -nonewline $plain
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regsub {^[^§]+} $output "" output
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}
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# consume token
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if {[regexp {§(.+?)°} $output dummy subtoken]} {
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dump_source $subtoken
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regsub {§(.+?)°} $output "" output
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}
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}
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if {$curr_tok_type != "identifier"} {
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puts -nonewline "</code>"
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}
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}
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# print header
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puts " <div class=\"cplusplus\">"
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# print content
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dump_source
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# print footer
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puts " </div>"
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