X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=stolen_chunk_of_toke.c;h=e231264f0a139bbd9aed2509e73b19c25d7d61d6;hb=mxd_parameterized_bug;hp=7abecc5de710520435d2fceffde856be29196429;hpb=0f0084591575d1db507512268a2427d1844fea55;p=p5sagit%2FDevel-Declare.git

diff --git a/stolen_chunk_of_toke.c b/stolen_chunk_of_toke.c
index 7abecc5..e231264 100644
--- a/stolen_chunk_of_toke.c
+++ b/stolen_chunk_of_toke.c
@@ -19,7 +19,9 @@
 
 /* the following #defines are stolen from assorted headers, not toke.c (mst) */
 
-#define skipspace(a)            S_skipspace(aTHX_ a)
+#define skipspace(a)            S_skipspace(aTHX_ a, 0)
+#define peekspace(a)            S_skipspace(aTHX_ a, 1)
+#define skipspace_force(a)      S_skipspace(aTHX_ a, 2)
 #define incline(a)              S_incline(aTHX_ a)
 #define filter_gets(a,b,c)      S_filter_gets(aTHX_ a,b,c)
 #define scan_str(a,b,c)         S_scan_str(aTHX_ a,b,c)
@@ -27,7 +29,7 @@
 #define scan_ident(a,b,c,d,e)   S_scan_ident(aTHX_ a,b,c,d,e)
 
 STATIC void     S_incline(pTHX_ char *s);
-STATIC char*    S_skipspace(pTHX_ char *s);
+STATIC char*    S_skipspace(pTHX_ char *s, int incline);
 STATIC char *   S_filter_gets(pTHX_ SV *sv, PerlIO *fp, STRLEN append);
 STATIC char*    S_scan_str(pTHX_ char *start, int keep_quoted, int keep_delims);
 STATIC char*    S_scan_word(pTHX_ char *s, char *dest, STRLEN destlen, int allow_package, STRLEN *slp);
@@ -64,6 +66,20 @@ STATIC char*    S_scan_word(pTHX_ char *s, char *dest, STRLEN destlen, int allow
 #define SPACE_OR_TAB(c) ((c)==' '||(c)=='\t')
 #endif
 
+/*
+ * Normally, during compile time, PL_curcop == &PL_compiling is true. However,
+ * Devel::Declare makes the interpreter call back to perl during compile time,
+ * which temporarily enters runtime. Then perl space calls various functions
+ * from this file, which are designed to work during compile time. They all
+ * happen to operate on PL_curcop, not PL_compiling. That doesn't make a
+ * difference in the core, but it does for Devel::Declare, which operates at
+ * runtime, but still wants to mangle the things that are about to be compiled.
+ * That's why we define our own PL_curcop and make it point to PL_compiling
+ * here.
+ */
+#undef PL_curcop
+#define PL_curcop (&PL_compiling)
+
 #define CLINE (PL_copline = (CopLINE(PL_curcop) < PL_copline ? CopLINE(PL_curcop) : PL_copline))
 
 #define LEX_NORMAL    10 /* normal code (ie not within "...")     */
@@ -256,7 +272,7 @@ S_filter_gets(pTHX_ register SV *sv, register PerlIO *fp, STRLEN append)
  */
 
 STATIC char *
-S_skipspace(pTHX_ register char *s)
+S_skipspace(pTHX_ register char *s, int incline)
 {
     if (PL_lex_formbrack && PL_lex_brackets <= PL_lex_formbrack) {
 	while (s < PL_bufend && SPACE_OR_TAB(*s))
@@ -268,7 +284,7 @@ S_skipspace(pTHX_ register char *s)
 	SSize_t oldprevlen, oldoldprevlen;
 	SSize_t oldloplen = 0, oldunilen = 0;
 	while (s < PL_bufend && isSPACE(*s)) {
-	    if (*s++ == '\n' && PL_in_eval && !PL_rsfp)
+	    if (*s++ == '\n' && ((incline == 2) || PL_in_eval && !PL_rsfp && !incline))
 		incline(s);
 	}
 
@@ -278,13 +294,21 @@ S_skipspace(pTHX_ register char *s)
 		s++;
 	    if (s < PL_bufend) {
 		s++;
-		if (PL_in_eval && !PL_rsfp) {
+		if (PL_in_eval && !PL_rsfp && !incline) {
 		    incline(s);
 		    continue;
 		}
 	    }
 	}
 
+	/* also skip leading whitespace on the beginning of a line before deciding
+	 * whether or not to recharge the linestr. --rafl
+	 */
+	while (s < PL_bufend && isSPACE(*s)) {
+		if (*s++ == '\n' && PL_in_eval && !PL_rsfp && !incline)
+			incline(s);
+	}
+
 	/* only continue to recharge the buffer if we're at the end
 	 * of the buffer, we're not reading from a source filter, and
 	 * we're in normal lexing mode
@@ -354,7 +378,8 @@ S_skipspace(pTHX_ register char *s)
 	    PL_last_uni = s + oldunilen;
 	if (PL_last_lop)
 	    PL_last_lop = s + oldloplen;
-	incline(s);
+	if (!incline)
+		incline(s);
 
 	/* debugger active and we're not compiling the debugger code,
 	 * so store the line into the debugger's array of lines
@@ -850,8 +875,8 @@ S_scan_str(pTHX_ char *start, int keep_quoted, int keep_delims)
 STATIC void
 S_force_next(pTHX_ I32 type)
 {
-    dVAR;
 #ifdef PERL_MAD
+    dVAR;
     if (PL_curforce < 0)
     start_force(PL_lasttoke);
     PL_nexttoke[PL_curforce].next_type = type;