replace PL_doextract with better kinds of variable

PL_doextract had two unrelated jobs, neither best served by an interpreter
global variable.  The first was to track the -x command-line switch.
That is replaced with a local variable in S_parse_body().  The second
was to track whether the lexer is in the middle of a =pod section.
That is replaced with an element in PL_parser.

1 files changed, 1 insertions, 0 deletions

diff --git a/parser.h b/parser.h
index 4ef460836c..f4054d5a13 100644
--- a/parser.h
+++ b/parser.h
@@ -105,6 +105,7 @@ typedef struct yy_parser {
     COP		*saved_curcop;	/* the previous PL_curcop */
     char	tokenbuf[256];
 
+    bool	in_pod;		/* lexer is within a =pod section */
 } yy_parser;
 
 /* flags for lexer API */