jyapayne/swig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fix undefined behaviour in parser

Browse source 
Fix undefined behaviour in swig's parser when handling default parameter
expressions containing method calls.

Fixes #2447
This commit is contained in:
Olly Betts 2022-11-25 09:51:58 +13:00
commit 81c6a63898
3 changed files with 11 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Source/CParse/parser.y
View file

@ -6582,7 +6582,7 @@ exprmem : ID ARROW ID {
$$.type = 0;
}
| ID ARROW ID LPAREN callparms RPAREN {
$$.val = NewStringf("%s->%s(%s)", $1, $3, $5);
$$.val = NewStringf("%s->%s(%s)", $1, $3, $5.val);
$$.type = 0;
}
| exprmem ARROW ID {
@ -6591,14 +6591,14 @@ exprmem : ID ARROW ID {
}
| exprmem ARROW ID LPAREN callparms RPAREN {
$$ = $1;
Printf($$.val, "->%s(%s)", $3, $5);
Printf($$.val, "->%s(%s)", $3, $5.val);
}
| ID PERIOD ID {
$$.val = NewStringf("%s.%s", $1, $3);
$$.type = 0;
}
| ID PERIOD ID LPAREN callparms RPAREN {
$$.val = NewStringf("%s.%s(%s)", $1, $3, $5);
$$.val = NewStringf("%s.%s(%s)", $1, $3, $5.val);
$$.type = 0;
}
| exprmem PERIOD ID {
@ -6607,7 +6607,7 @@ exprmem : ID ARROW ID {
}
| exprmem PERIOD ID LPAREN callparms RPAREN {
$$ = $1;
Printf($$.val, ".%s(%s)", $3, $5);
Printf($$.val, ".%s(%s)", $3, $5.val);
}
;