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Minimal error recovery.

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No more bailing on the first syntax error. While the recovery is not
perfect (things can get right twisted), qfcc will now continue parsing
after a syntax error.
This commit is contained in:
Bill Currie 2010-12-31 16:01:09 +09:00
parent a4635d79e8
commit dc5bafb8fb
1 changed files with 4 additions and 0 deletions
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4
tools/qfcc/source/qc-parse.y
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@ -225,6 +225,9 @@ defs
: /* empty */ : /* empty */
| defs {if (current_class) PARSE_ERROR;} def | defs {if (current_class) PARSE_ERROR;} def
| defs obj_def | defs obj_def
| error END { current_class = 0; yyerrok; }
| error ';' { yyerrok; }
| error '}' { yyerrok; }
; ;
def def
@ -796,6 +799,7 @@ statements
statement statement
: ';' { $$ = 0; } : ';' { $$ = 0; }
| error ';' { $$ = 0; yyerrok; }
| statement_block { $$ = $1; } | statement_block { $$ = $1; }
| RETURN opt_expr ';' | RETURN opt_expr ';'
{ {