Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-15 07:13:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

parser: no longer use the "braceless" non-terminal

Browse Source 
The purpose of this symbol was only to factor function calls.  As a
result the actions were indeed simpler, but the grammar was somewhat
uselessly obfuscated.  Get rid of this symbol, but introduce functions
to simplify dependencies.

There is no (intended) changes of behavior here.

* src/parse-gram.y (strip_braces, translate_code(
(translate_code_braceless): New.
(braceless): Remove, use "{...}" instead, and one of the previous
functions depending on the context.
(STRING, "%{...%}", EPILOGUE): Declare as <code>, instead of <chars>,
the difference between both is useless (well, I couldn't make sense of
it, even after having read the initial commit that introduced them).
(%union): Remove the now useless "chars" type.
Adjust the printers.
* src/scan-gram.l: Adjust.
This commit is contained in:
Akim Demaille
2013-04-18 16:36:54 +02:00
parent 7dbadca2d0
commit 985d7177e8
2 changed files with 65 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/scan-gram.l
View File

@@ -512,7 +512,7 @@ eqopt ([[:space:]]*=)?
"\"" {
STRING_FINISH;
loc->start = token_start;
val->chars = last_string;
val->code = last_string;
BEGIN INITIAL;
return STRING;
}
@@ -751,7 +751,7 @@ eqopt ([[:space:]]*=)?
"%}" {
STRING_FINISH;
loc->start = code_start;
val->chars = last_string;
val->code = last_string;
BEGIN INITIAL;
return PROLOGUE;
}
@@ -770,7 +770,7 @@ eqopt ([[:space:]]*=)?
<<EOF>> {
STRING_FINISH;
loc->start = code_start;
val->chars = last_string;
val->code = last_string;
BEGIN INITIAL;
return EPILOGUE;
}