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# -*- tcl -*-
# -- $Id: transform_mecpu.tcl,v 1.1 2006/07/01 01:35:21 andreas_kupries Exp $ ---
#
# PAGE plugin - transform - mecpu ~ Translation of grammar to ME cpu instruction set.
#
# ### ### ### ######### ######### #########
## Imported API
# -----------------+--
# page_tdata | Access to processed input stream.
# -----------------+--
# page_info | Reporting to the user.
# page_warning |
# page_error |
# -----------------+--
# page_log_error | Reporting of internals.
# page_log_warning |
# page_log_info |
# -----------------+--
# ### ### ### ######### ######### #########
## Exported API
# -----------------+--
# page_tfeature | Query for special plugin features page might wish to use.
# page_ttime | Activate collection of timing statistics.
# page_tgettime | Return the collected timing statistics.
# page_tlabel | User readable label for the plugin.
# page_thelp | Doctools help text for plugin.
# page_toptions | Options understood by plugin.
# page_tconfigure | Option (re)configuration.
# page_trun | Transform input data per plugin configuration and hardwiring.
# -----------------+--
# ### ### ### ######### ######### #########
## Requisites
package require page::compiler::peg::mecpu
package require struct::tree ; # Data structure.
global usec
global timed
set timed 0
# ### ### ### ######### ######### #########
## Implementation of exported API
proc page_tlabel {} {
return {ME cpu Translation}
}
proc page_tfeature {key} {
return [string eq $key timeable]
}
proc page_ttime {} {
global timed
set timed 1
return
}
proc page_tgettime {} {
global usec
return $usec
}
proc page_thelp {} {
return {}
}
proc page_toptions {} {
return {}
}
proc page_tconfigure {option value} {
return -code error "Cannot set value of unknown option \"$option\""
}
proc page_trun {data} {
global timed usec
page_log_info "transform/mecpu/run/"
if {$timed} {
set usec [lindex [time {
::struct::tree ::tree deserialize $data
page::compiler::peg::mecpu ::tree
}] 0] ; #{}
} else {
::struct::tree ::tree deserialize $data
page::compiler::peg::mecpu ::tree
}
set name [::tree get root name]
set asm [::tree get root asm]
::tree destroy
page_log_info "transform/mecpu/run/ok"
return [list $name $asm]
}
# ### ### ### ######### ######### #########
## Internal helper code.
# ### ### ### ######### ######### #########
## Initialization
package provide page::transform::mecpu 0.1
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