Do not use RBProgramNode>>variableNodesDo: as this method is not present in Pharo. Use local helper method instead.

Reverted fc3dbe5654c5: sending #copy should be OK (copy set's parent properly)

Send #sourceNode instead of #ast as there's no #ast in Pharo ...I was mistaken.

Oops, removed EOL comments as they;re not supported in Squeak / Pharo

Fixed target mcz - exit Smalltalk after all packages are exported.

Use #deepCopy instead of #copy when copying RB parse tree ...because #copy make a copy if child nodes but does not set their parents properly. Therefore node replacing does not work because it replaces it in wrong tree (original, not the copy).

Codegen: added support for smart action node compiling. Avoid creation of intermediate result collection for action nodes if all references to action block's argument (i.e., the nodes collection) is in form of: * <nodes> at: <numeric constant> * <nodes> first (second, third...

Oops, renamed testMappedNode3/4/5 to testActionNode3/4/5 which is the correct name!

Fix in codegen for inlined sequence nodes. For inlined sequence nodes, generate nested ifs rather than sequential code which does not work when inlined. The reason is that #codeReturn: in inline generates instvar assignment, not method return, so in sequential code the next child of a sequence will be probed even if previous failed. If that happends, the whole sequence fail and therefore we must generate nested ifs to correctly handle this w.r.t. inlining.

Avoid creation of intermediate collection for mapped action nodes.

Fix in codegen: fixed compilation of unknown node: do not hardcode return variable name ...use `self retvalVar` instead

Renamed #codeStoreValueOf:intoVariable: to #codeAssignParsedValueOf:to: to use same naming as #codeAssign:to:

Fixed codegen for empty (mapped) action block. Although empty blocks are useless in practice, they may occur (and do occur in tests)

Do not create intermediate collection when parsing sequence if not necesary. The collection is not needed when the result of a choice is being used in mapped parser. In that case, store parsed objects in variables and inline action code to use these variables to access parsed objects.

Oops, fixed subproject definition (wrong package names)

Updated .mcz exporting code to include a commit message digest ...instead of just exported revision commit message.

Introduced PPCMappedActionNode for PPMappedActionParser. It's compilation is not yet ideal, bot works for now.

Introduced PPMappedActionParser, a specialized parser for map:ped actions. In order to compile nicer code, compiler has to be able to tell between simple (==>) action parser and mapped (map:) action parser.

Action inlining [1/x]: Initial support for inlining actions parsers (i.e., ==>) The code of the action is now inlined into parsing method rather then delegated to stored block. Mapping parser (i.e., map:[...]) are not supported and not detected, so using them cause crash. This will be fixed later.

Codegen refactoring [2/x]: Added PPCCompiler>>codeIf:then:else: this allows for more structured coding of conditionals. then/else code is evaluated inside new block so it may allocate its own temporaries.

Codegen refactoring [1/x]: Introduced a PPCCodeBlock A PPCCodeBlock is an abstraction of a block of statements with temporaries. This will allow for scoped temporary management in code generator - temporary variables could be allocated for block only. (i.e., make them block-temporaries)

Fixed choice inlining.

Add inspector tab to present parser tree.

More fixes for inlining of nodes

Oops, merged code which contained Pharoism's

Avoid using of a bridge parser for top-most composite parser ...by converting PPCompositeParser to PPCDelegatePrser.

Added two more tests for inlining

Added inspector representation to show PPC node tree.

Oops. re-added classes lost during merge...

Indent by 4 spaces on Smalltalk/X