Difference between revisions of "User:Kjdf"

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(New page: == Summer Of Code 2009 == === Decompiler schedule: === {| ! Deadline ! Description ! Status |- |5th June |read script from file, parse headers | done |- |7th June |declare enough bytecod...)
 
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== Summer Of Code 2009 ==
== Summer Of Code 2009 ==


=== Decompiler schedule: ===
=== Decompiler plan: ===


{|
{|
! Deadline
! Description
! Status
|-
|-
|5th June
!Due time
|read script from file, parse headers
!Estimated time to complete
| done
!Description
 
|-
|-
|7th June
|26.06
|declare enough bytecode Instruction <-> game bytestream relations to be able to construct internal representation of a simple script
|4 days
| done (script-1 and script-50 of samnmax-demo)
|structure 'while' expressions
 
|-
|-
|9th June
|1.07
|design a few general classes of Instructions, mostly:
|3 days
* kernel functions used for side effects
|structure 'if' expressions
* arithmetic expressions
 
* instructions managing data flow (push/dup etc), with a separate class for most
|in progress
|-
|-
|11th June
|Construct control flow graph
|
|
|unknown
|support for engine-specific callbacks/hacks/rewrites
|-
|4.07
|4 days
|analyze stack effects and compress expressions within basic blocks
|-
|10.07
|2 days
|support for named variables
|-
|-
|(later)
|extend the Instruction subclasses to describe input/output data types
|
|
|unknown
|analysis of inter-block stack effects (what exactly will be needed)
|-
|12.07
|2 days
|add sword1 and/or sword2 opcodes
|-
|18.07
|4 days
|add kyra 1 and 2 opcodes
|-
|22.07
|2 days
|refactor and finalize parser/reader infrastructure
|-
|24.07
|2 days
|extend stack effect analysis to registers
|-
|-
|(later)
|add support for all other bytecodes for Scumm v6, v7, v8
|
|
|unknown
|how to deal with opcodes that manipulate stack 'deeply' (not so bad if they behave 'sanely' and simply use separate stack space for local variable store)
|-
|25.07
|1 days
|add scumm v7 opcodes
|-
|30.07
|3 days
|add scumm v8 opcodes
|}
|}

Revision as of 17:52, 22 June 2009

Summer Of Code 2009

Decompiler plan:

Due time Estimated time to complete Description
26.06 4 days structure 'while' expressions
1.07 3 days structure 'if' expressions
unknown support for engine-specific callbacks/hacks/rewrites
4.07 4 days analyze stack effects and compress expressions within basic blocks


10.07 2 days support for named variables


unknown analysis of inter-block stack effects (what exactly will be needed)
12.07 2 days add sword1 and/or sword2 opcodes
18.07 4 days add kyra 1 and 2 opcodes
22.07 2 days refactor and finalize parser/reader infrastructure
24.07 2 days extend stack effect analysis to registers
unknown how to deal with opcodes that manipulate stack 'deeply' (not so bad if they behave 'sanely' and simply use separate stack space for local variable store)
25.07 1 days add scumm v7 opcodes
30.07 3 days add scumm v8 opcodes
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