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Author SHA1 Message Date
svenbarth
f8e9b33f99 Merge first batch of package handling related revisions from the packages branch
Merged revision(s) 28796, 28837-28845, 28847-28850, 28852, 32135 from branches/svenbarth/packages:
Provide possibility to pass packages and search paths for packages as parameters.

fpkg.pas:
  + new unit which contains the base types related to package files (most importantly "tpackage")
globals.pas:
  + new variable "packagesearchpath" which contains all paths in which package files should be looked for
  + new variable "packagelist" which contains a list of all packages that should be used in a program or library
  * InitGlobals & DoneGlobals: initialize/finalize "packagesearchpath" accordingly ("packagelist" is handled in unit fpkg using a init/done-callback)
options.pas:
  + TOption: new fields "parapackagepath" and "parapackages" to keep track of package search paths and package files passed as parameters
  * TOption.interpret_option: use '-Fp' for package search paths and '-FP' for package files
  * read_arguments: apply the passed package search paths and packages to their respective containers
........
+ add a new unit which will contain basic functions related to handling packages
........
Move package related functions from pmodules to pkgutil.

pmodules.pas => pkgutil.pas:
  * createimportlibfromexports
  * varexport
  * procexport
  * insert_export
  * RewritePPU
........
* adjust indentation
........
Extract the code to export the symbols of a unit to its own function in pkgutil so that less functions need to be exported.

pmodules.pas, proc_package:
  * move code to export the symbols of a unit to new function export_unit
pkgutil.pas:
  + new function export_unit
  - remove exports of procexport, varexport and insert_export
........
Some small fixes for package parsing.

pmodules.pas, proc_package:
  * use orgpattern instead of pattern to build the module name (like is done in uses sections)
  * ignore duplicates when generating exports
  - no need to generate an import library for the package; that is done by the program/library that uses the package
........
+ new unit fpcp of which the class tpcppackage handles the reading and writing of package metadata from/to pcp files (equivalant to tppumodule).
........
+ add unit which contains representation of a PCP file (tpcpfile) like tppufile is for units.
........
Improve export generation.

pkgutil.pas:
  + new function exportprocsym to correctly export a procedure with all its aliases
  + new function exportabstractrecordsymproc to export the members of structured types 
  * insert_export: handle also namespacesym and propertsym (by ignoring them)
  * insert_export: correctly export classes, record and objects
  * insert_export: use new exportprocsym function to export a procsym
  * insert_export: only export public variables of a static symtable


........
+ add entry constants for the name of the package and the package file names, both used by a PCP file
........
* use messages to get rid of most writelns related to package loading
........
Add additional entry types for PCP files

entfile.pas:
  + new entries ibstartrequireds and ibendrequireds to store the list of required packages
  + new entries ibstartcontained and ibendcontained to store the list of contained units
  + new entries ibstartppus and ibendppus to store the list of contained PPU files
........
Generate the PCP file once the package file and the used units were compiled correctly.

pmodules.pas:
  * proc_package: generate the PCP file upon successful compilation
........
Add the possibility to load all packages supplied as parameters.

pkgutil.pas:
  + new function load_packages to load all packages supplied as parameters
pmodules.pas, proc_program:
  * use load_packages to load all packages before any unit is loaded
........
Add code which tries to load a unit from a package first and only then as usual.

fppu.pas, tppumodule:
  + new method loadfrompackage which searches all available packages for the unit and loads it from there if found
  * loadppu: first try to load the unit from a package if any are available
........
Don't link objects files of a unit that is provided by a package.

pmodules.pas, proc_program:
  * if a unit has uf_in_library set we must not include it in the units we link against
........

git-svn-id: trunk@33452 -
2016-04-08 15:40:27 +00:00