0855eab7a3
2004-04-05 Caroline Tice <ctice@apple.com>
* gcc.c (combine_flag): New global variable, for new driver option.
(struct compiler): Add two new fields, to be used when
combining multiple input files in a single pass (IMA).
(default_compilers): Add values for the new fields to all
compiler entries. Modify the "@c" compiler entry for doing IMA
properly with "-save-temps" and the "combine" flag.
(option_map): Add new driver option, "--combine", to tell driver
to pass multiple input files to compiler at one time.
(have_o_argbuf_index): New global variable.
(store_arg): Modify to assign value to have_o_argbuf_index.
(struct infile): Add three new fields, to help with IMA.
(display_help): Add help for new "combine" option.
(process_command): Remove local variable have_o; add code to check
for new "combine" option; remove assignment to combine_inputs.
(do_spec_1): Modify to deal with IMA better.
(main): Make variable 'lang_n_infiles' local to entire function
rather than to a single block. Use flag combine_flag to
determine whether to do IMA or not; Modify loop initializing
infiles to deal properly with linker files.
Add code for doing preprocessing in presence of
IMA with "-save-temps" flag. Modify "main" loop to handle
multiple input files, in multiple languages, with or without
preprocessing, gracefully.
* toplev.c (set_src_pwd): Modify to not complain if attempting to
re-set it to same directory it's previously been set to (avoid
irritating, meaningless warning messages when doing IMA with
save-temps).
* doc/invoke.texi: Add "-combine" to list of Overall Options;
remove documentation about IMA that is no longer accurate; Add
documentation explaining what "-combine" does.
* ada/lang-specs.h: Add initialization values for new fields in
"struct compiler".
* cp/lang-specs.h: Likewise.
* f/lang-specs.h: Likewise.
* java/lang-specs.h: Likewise.
* objc/lang-specs.h: Likewise.
* treelang/lang-specs.h: Likewise.
Fix gcc driver to work properly with IMI.
From-SVN: r80435
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|---|---|---|
| .. | ||
| ChangeLog | ||
| config-lang.in | ||
| lang-specs.h | ||
| lang.opt | ||
| lex.l | ||
| Make-lang.in | ||
| parse.y | ||
| README | ||
| tree1.c | ||
| tree-convert.c | ||
| treelang.h | ||
| treelang.texi | ||
| treetree.c | ||
| treetree.h | ||
This is a sample language front end for GCC. This is a replacement for 'toy' which had potential copyright issues, but more importantly it did not exercise very much of GCC. The intent of this language is that it should provide a cookbook of language elements that you can use in any language front end. To this end, treelang is essentially an implementation of a subset of the GCC back end 'tree' interface in syntax. Thanks to Richard Kenner, Joachim Nadler and many others for helping me to understand enough of GCC to do this. Please note, the documentation is not a good model to use for GCC front end documentation. Tim Josling 19 June 2002