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Define the "identifier" of a symbol.

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Symbols may have several string representations, for instance if they
have an alias.  What I call its "id" is a string that can be used as
an identifier.  May not exist.

Currently the symbols which have the "tag_is_id" flag set are those that
don't have an alias.  Look harder for the id.

	* src/output.c (is_identifier): Move to...
	* src/symtab.c (is_identifier): here.
	* src/symtab.h, src/symtab.c (symbol_id_get): New.
	* src/output.c (symbol_definitions_output): Use it to define "id"
	and "has_id".
	Remove the definition of "tag_is_id".
	* data/lalr1.cc: Use the "id" and "has_id" whereever "tag" and
	"tag_is_id" were used to produce code.
	We still use "tag" for documentation.
This commit is contained in:
Akim Demaille
2008-08-26 20:10:03 +02:00
parent 086fd1137d
commit aea10ef46f
5 changed files with 90 additions and 33 deletions
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@@ -1,3 +1,23 @@
2008-11-13 Akim Demaille <demaille@gostai.com>
Define the "identifier" of a symbol.
Symbols may have several string representations, for instance if they
have an alias. What I call its "id" is a string that can be used as
an identifier. May not exist.
Currently the symbols which have the "tag_is_id" flag set are those that
don't have an alias. Look harder for the id.
* src/output.c (is_identifier): Move to...
* src/symtab.c (is_identifier): here.
* src/symtab.h, src/symtab.c (symbol_id_get): New.
* src/output.c (symbol_definitions_output): Use it to define "id"
and "has_id".
Remove the definition of "tag_is_id".
* data/lalr1.cc: Use the "id" and "has_id" whereever "tag" and
"tag_is_id" were used to produce code.
We still use "tag" for documentation.
2008-11-11 Akim Demaille <demaille@gostai.com>
Locations are no longer required by lalr1.cc.