Remember the previously compiled op.

[p5sagit/Devel-Declare.git] / Declare.xs

diff --git a/Declare.xs b/Declare.xs
index af640e9..37e0bdc 100644 (file)
--- a/Declare.xs
+++ b/Declare.xs
@@ -36,6 +36,8 @@ static int in_declare = 0;
 #define DD_AM_LEXING DD_AM_LEXING_CHECK
 #endif
 
+static OP *previous_op = NULL;
+
 /* thing that decides whether we're dealing with a declarator */
 
 int dd_is_declarator(pTHX_ char* name) {
@@ -114,7 +116,7 @@ char* dd_get_linestr(pTHX) {
 }
 
 void dd_set_linestr(pTHX_ char* new_value) {
-  int new_len = strlen(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));
@@ -179,6 +181,13 @@ int dd_toke_scan_word(pTHX_ int offset, int handle_package) {
   return s - base_s;
 }
 
+int dd_toke_scan_ident(pTHX_ int offset) {
+    char tmpbuf[sizeof PL_tokenbuf];
+    char* base_s = SvPVX(PL_linestr) + offset;
+    char* s = scan_ident(base_s, PL_bufend, tmpbuf, sizeof tmpbuf, 0);
+    return s - base_s;
+}
+
 int dd_toke_scan_str(pTHX_ int offset) {
   char* base_s = SvPVX(PL_linestr) + offset;
   char* s = scan_str(base_s, FALSE, FALSE);
@@ -194,9 +203,12 @@ int dd_toke_skipspace(pTHX_ int offset) {
 /* replacement PL_check rv2cv entry */
 
 STATIC OP *dd_ck_rv2cv(pTHX_ OP *o, void *user_data) {
+  dSP;
   OP* kid;
   int dd_flags;
 
+  PERL_UNUSED_VAR(user_data);
+
   if (in_declare) {
     if (dd_debug) {
       printf("Deconstructing declare\n");
@@ -206,13 +218,11 @@ STATIC OP *dd_ck_rv2cv(pTHX_ OP *o, void *user_data) {
       printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
     }
 
-    dSP;
-  
     ENTER;
     SAVETMPS;
-  
+
     PUSHMARK(SP);
-  
+
     call_pv("Devel::Declare::done_declare", G_VOID|G_DISCARD);
 
     FREETMPS;
@@ -257,9 +267,16 @@ STATIC OP *dd_ck_rv2cv(pTHX_ OP *o, void *user_data) {
 
 OP* dd_pp_entereval(pTHX) {
   dSP;
-  dPOPss;
   STRLEN len;
   const char* s;
+  SV *sv;
+#ifdef PERL_5_9_PLUS
+  SV *saved_hh;
+  if (PL_op->op_private & OPpEVAL_HAS_HH) {
+    saved_hh = POPs;
+  }
+#endif
+  sv = POPs;
   if (SvPOK(sv)) {
     if (dd_debug) {
       printf("mangling eval sv\n");
@@ -276,10 +293,17 @@ OP* dd_pp_entereval(pTHX) {
     SvGROW(sv, 8192);
   }
   PUSHs(sv);
+#ifdef PERL_5_9_PLUS
+  if (PL_op->op_private & OPpEVAL_HAS_HH) {
+    PUSHs(saved_hh);
+  }
+#endif
   return PL_ppaddr[OP_ENTEREVAL](aTHX);
 }
 
 STATIC OP *dd_ck_entereval(pTHX_ OP *o, void *user_data) {
+  PERL_UNUSED_VAR(user_data);
+
   if (o->op_ppaddr == PL_ppaddr[OP_ENTEREVAL])
     o->op_ppaddr = dd_pp_entereval;
   return o;
@@ -297,6 +321,8 @@ STATIC OP *dd_ck_const(pTHX_ OP *o, void *user_data) {
   int dd_flags;
   char* name;
 
+  PERL_UNUSED_VAR(user_data);
+
   /* if this is set, we just grabbed a delimited string or something,
      not a bareword, so NO TOUCHY */
 
@@ -316,7 +342,15 @@ STATIC OP *dd_ck_const(pTHX_ OP *o, void *user_data) {
 
   dd_linestr_callback(aTHX_ "const", name);
 
-  return o;  
+  return o;
+}
+
+STATIC OP *
+remember_previous_op (pTHX_ OP *o, void *user_data)
+{
+  PERL_UNUSED_VAR (user_data);
+  previous_op = o;
+  return o;
 }
 
 static int initialized = 0;
@@ -327,12 +361,17 @@ PROTOTYPES: DISABLE
 
 void
 setup()
+  PREINIT:
+    I32 i;
   CODE:
   if (!initialized++) {
     hook_op_check(OP_RV2CV, dd_ck_rv2cv, NULL);
     hook_op_check(OP_ENTEREVAL, dd_ck_entereval, NULL);
     hook_op_check(OP_CONST, dd_ck_const, NULL);
   }
+  for (i = 0; i < OP_max; i++) {
+    (void)hook_op_check(i, remember_previous_op, NULL);
+  }
   filter_add(dd_filter_realloc, NULL);
 
 char*
@@ -395,6 +434,13 @@ toke_scan_str(int offset);
     RETVAL
 
 int
+toke_scan_ident(int offset)
+  CODE:
+    RETVAL = dd_toke_scan_ident(aTHX_ offset);
+  OUTPUT:
+    RETVAL
+
+int
 toke_skipspace(int offset)
   CODE:
     RETVAL = dd_toke_skipspace(aTHX_ offset);