X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Declare.xs;h=54aa66852b37c0dba56b8a9e78c58c70de8cb23d;hb=c7fa6ac81cadd56e406b83997657e9640fbf3dda;hp=edfbc0df664179824140eadc9c12ec61efb4a4fa;hpb=e21e91fe39cd22441574c727fbb1c80ad6605a66;p=p5sagit%2FDevel-Declare.git

diff --git a/Declare.xs b/Declare.xs
index edfbc0d..54aa668 100644
--- a/Declare.xs
+++ b/Declare.xs
@@ -11,6 +11,11 @@
 # define Newx(v,n,t) New(0,v,n,t)
 #endif /* !Newx */
 
+#define DD_DEBUGf_UPDATED_LINESTR 1
+#define DD_DEBUGf_TRACE 2
+
+#define DD_DEBUG_UPDATED_LINESTR (dd_debug & DD_DEBUGf_UPDATED_LINESTR)
+#define DD_DEBUG_TRACE (dd_debug & DD_DEBUGf_TRACE)
 static int dd_debug = 0;
 
 #define LEX_NORMAL    10
@@ -117,16 +122,28 @@ void dd_set_linestr(pTHX_ char* new_value) {
   unsigned int new_len = strlen(new_value);
 
   if (SvLEN(PL_linestr) < new_len) {
-    croak("forced to realloc PL_linestr for line %s, bailing out before we crash harder", SvPVX(PL_linestr));
+    croak("PL_linestr not long enough, was Devel::Declare loaded soon enough in %s",
+      CopFILE(&PL_compiling)
+    );
   }
 
-  SvGROW(PL_linestr, new_len);
 
   memcpy(SvPVX(PL_linestr), new_value, new_len+1);
 
   SvCUR_set(PL_linestr, new_len);
 
   PL_bufend = SvPVX(PL_linestr) + new_len;
+
+  if ( DD_DEBUG_UPDATED_LINESTR && PERLDB_LINE && PL_curstash != PL_debstash) {
+    // Cribbed from toke.c
+    SV * const sv = NEWSV(85,0);
+
+    sv_upgrade(sv, SVt_PVMG);
+    sv_setpvn(sv,PL_bufptr,PL_bufend-PL_bufptr);
+    (void)SvIOK_on(sv);
+    SvIV_set(sv, 0);
+    av_store(CopFILEAV(&PL_compiling),(I32)CopLINE(&PL_compiling),sv);
+  }
 }
 
 char* dd_get_lex_stuff(pTHX) {
@@ -217,7 +234,7 @@ STATIC OP *dd_ck_rv2cv(pTHX_ OP *o, void *user_data) {
   PERL_UNUSED_VAR(user_data);
 
   if (in_declare) {
-    if (dd_debug) {
+    if (DD_DEBUG_TRACE) {
       printf("Deconstructing declare\n");
       printf("PL_bufptr: %s\n", PL_bufptr);
       printf("bufend at: %i\n", PL_bufend - PL_bufptr);
@@ -235,7 +252,7 @@ STATIC OP *dd_ck_rv2cv(pTHX_ OP *o, void *user_data) {
     FREETMPS;
     LEAVE;
 
-    if (dd_debug) {
+    if (DD_DEBUG_TRACE) {
       printf("PL_bufptr: %s\n", PL_bufptr);
       printf("bufend at: %i\n", PL_bufend - PL_bufptr);
       printf("linestr: %s\n", SvPVX(PL_linestr));
@@ -253,7 +270,7 @@ STATIC OP *dd_ck_rv2cv(pTHX_ OP *o, void *user_data) {
   if (!DD_AM_LEXING)
     return o; /* not lexing? */
 
-  if (dd_debug) {
+  if (DD_DEBUG_TRACE) {
     printf("Checking GV %s -> %s\n", HvNAME(GvSTASH(kGVOP_gv)), GvNAME(kGVOP_gv));
   }
 
@@ -262,7 +279,7 @@ STATIC OP *dd_ck_rv2cv(pTHX_ OP *o, void *user_data) {
   if (dd_flags == -1)
     return o;
 
-  if (dd_debug) {
+  if (DD_DEBUG_TRACE) {
     printf("dd_flags are: %i\n", dd_flags);
     printf("PL_tokenbuf: %s\n", PL_tokenbuf);
   }
@@ -285,7 +302,7 @@ OP* dd_pp_entereval(pTHX) {
 #endif
   sv = POPs;
   if (SvPOK(sv)) {
-    if (dd_debug) {
+    if (DD_DEBUG_TRACE) {
       printf("mangling eval sv\n");
     }
     if (SvREADONLY(sv))
@@ -471,6 +488,11 @@ set_in_declare(int value)
     in_declare = value;
 
 BOOT:
-  if (getenv ("DD_DEBUG")) {
-    dd_debug = 1;
+  char *endptr;
+  char *debug_str = getenv ("DD_DEBUG");
+  if (debug_str) {
+    dd_debug = strtol (debug_str, &endptr, 10);
+    if (*endptr != '\0') {
+      dd_debug = 0;
+    }
   }