From: Vincent Pit <vince@profvince.com>
Date: Tue, 7 Jul 2009 22:58:54 +0000 (+0200)
Subject: Fix line number for multiline indirect constructs
X-Git-Tag: v0.15~3
X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2Findirect.git;a=commitdiff_plain;h=eb4b05d5ad6eec232107b4688e59685bc54f7a65;hp=9e8840b03b5cfb27dc88d7e1e85533fc6bbef6b5

Fix line number for multiline indirect constructs
---

diff --git a/MANIFEST b/MANIFEST
index aee4fac..512c163 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -9,6 +9,7 @@ ptable.h
 samples/indirect.pl
 t/00-load.t
 t/10-args.t
+t/11-line.t
 t/20-good.t
 t/21-bad.t
 t/22-bad-mixed.t
diff --git a/indirect.xs b/indirect.xs
index 9347467..01b4a77 100644
--- a/indirect.xs
+++ b/indirect.xs
@@ -164,6 +164,7 @@ typedef struct {
  const char *pos;
  char       *buf;
  STRLEN      len, size;
+ line_t      line;
 } indirect_op_info_t;
 
 #define PTABLE_NAME        ptable
@@ -368,8 +369,8 @@ STATIC SV *indirect_hint(pTHX) {
 
 /* ... op -> source position ............................................... */
 
-STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv) {
-#define indirect_map_store(O, S, N) indirect_map_store(aTHX_ (O), (S), (N))
+STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv, line_t line) {
+#define indirect_map_store(O, S, N, L) indirect_map_store(aTHX_ (O), (S), (N), (L))
  indirect_op_info_t *oi;
  const char *s;
  STRLEN len;
@@ -401,8 +402,9 @@ STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv) {
   oi->size = len;
  }
  Copy(s, oi->buf, len, char);
- oi->len = len;
- oi->pos = src;
+ oi->len  = len;
+ oi->pos  = src;
+ oi->line = line;
 }
 
 STATIC const indirect_op_info_t *indirect_map_fetch(pTHX_ const OP *o) {
@@ -459,7 +461,8 @@ STATIC OP *indirect_ck_const(pTHX_ OP *o) {
  if (indirect_hint()) {
   SV *sv = cSVOPo_sv;
   if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV)) {
-   indirect_map_store(o, indirect_find(sv, PL_oldbufptr), sv);
+   const char *s = indirect_find(sv, PL_oldbufptr);
+   indirect_map_store(o, s, sv, CopLINE(&PL_compiling));
    return o;
   }
  }
@@ -524,7 +527,7 @@ STATIC OP *indirect_ck_rv2sv(pTHX_ OP *o) {
   }
 
   o = CALL_FPTR(indirect_old_ck_rv2sv)(aTHX_ o);
-  indirect_map_store(o, s, sv);
+  indirect_map_store(o, s, sv, CopLINE(&PL_compiling));
   return o;
  }
 
@@ -552,7 +555,7 @@ STATIC OP *indirect_ck_padany(pTHX_ OP *o) {
    while (s < t && isSPACE(*t)) --t;
    sv = sv_2mortal(newSVpvn("$", 1));
    sv_catpvn_nomg(sv, s, t - s + 1);
-   indirect_map_store(o, s, sv);
+   indirect_map_store(o, s, sv, CopLINE(&PL_compiling));
    return o;
   }
  }
@@ -570,22 +573,25 @@ STATIC OP *indirect_ck_method(pTHX_ OP *o) {
   OP *op = cUNOPo->op_first;
   const indirect_op_info_t *oi = indirect_map_fetch(op);
   const char *s = NULL;
+  line_t line;
   SV *sv;
 
   if (oi && (s = oi->pos)) {
-   sv = sv_2mortal(newSVpvn(oi->buf, oi->len));
+   sv   = sv_2mortal(newSVpvn(oi->buf, oi->len));
+   line = oi->line; /* Keep the old line so that we really point to the first */
   } else {
    sv = cSVOPx_sv(op);
    if (!SvPOK(sv) || (SvTYPE(sv) < SVt_PV))
     goto done;
-   sv = sv_mortalcopy(sv);
-   s  = indirect_find(sv, PL_oldbufptr);
+   sv   = sv_mortalcopy(sv);
+   s    = indirect_find(sv, PL_oldbufptr);
+   line = CopLINE(&PL_compiling);
   }
 
   o = CALL_FPTR(indirect_old_ck_method)(aTHX_ o);
   /* o may now be a method_named */
 
-  indirect_map_store(o, s, sv);
+  indirect_map_store(o, s, sv, line);
   return o;
  }
 
@@ -646,8 +652,7 @@ STATIC OP *indirect_ck_entersub(pTHX_ OP *o) {
    goto done;
 
   if (moi->pos < ooi->pos) {
-   SV     *file;
-   line_t  line;
+   SV *file;
    dSP;
 
    ENTER;
@@ -658,14 +663,13 @@ STATIC OP *indirect_ck_entersub(pTHX_ OP *o) {
 #else
    file = sv_mortalcopy(CopFILESV(&PL_compiling));
 #endif
-   line = CopLINE(&PL_compiling);
 
    PUSHMARK(SP);
    EXTEND(SP, 4);
    mPUSHp(ooi->buf, ooi->len);
    mPUSHp(moi->buf, moi->len);
    PUSHs(file);
-   mPUSHu(line);
+   mPUSHu(moi->line);
    PUTBACK;
 
    call_sv(code, G_VOID);
diff --git a/t/11-line.t b/t/11-line.t
new file mode 100644
index 0000000..6832844
--- /dev/null
+++ b/t/11-line.t
@@ -0,0 +1,48 @@
+#!perl -T
+
+use strict;
+use warnings;
+
+use Test::More tests => 3 * 4;
+
+sub expect {
+ my ($pkg, $line) = @_;
+ return qr/^Indirect\s+call\s+of\s+method\s+"new"\s+on\s+object\s+"$pkg"\s+at\s+\(eval\s+\d+\)\s+line\s+$line/;
+}
+
+{
+ local $/ = "####";
+ while (<DATA>) {
+  chomp;
+  s/^\s+//;
+
+  my ($code, $lines) = split /#+/, $_, 2;
+  $lines = eval "[ sort ($lines) ]";
+  if ($@) {
+   diag "Couldn't parse line numbers: $@";
+   next;
+  }
+
+  my (@warns, @lines);
+  {
+   local $SIG{__WARN__} = sub { push @warns, "@_" };
+   eval "return; no indirect hook => sub { push \@lines, \$_[3] }; $code";
+  }
+
+  is        $@,              '',     'did\'t croak';
+  is_deeply \@warns,         [ ],    'didn\'t warn';
+  is_deeply [ sort @lines ], $lines, 'correct line numbers';
+ }
+}
+
+__DATA__
+my $x = new X;             # 1
+####
+my $x = new
+  X;                       # 1
+####
+my $x = new X; $x = new X; # 1, 1
+####
+my $x = new
+ X new
+    X;                     # 1, 2