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acme: add log file in acme root directory

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Reading /mnt/acme/log reports a log of window create,
put, and delete events, as they happen. It blocks until the
next event is available.

Example log output:

8 new /Users/rsc/foo.go
8 put /Users/rsc/foo.go
8 del /Users/rsc/foo.go

This lets acme-aware programs react to file writes, for example
compiling code, running a test, or updating an import block.

TBR=r
R=r
https://codereview.appspot.com/89560044
This commit is contained in:
Russ Cox 2014-04-30 12:14:29 -04:00
parent 833216fef8
commit 4a3fb87264
12 changed files with 262 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/cmd/acme/exec.c
View file

@ -347,6 +347,7 @@ void
newcol(Text *et, Text *_0, Text *_1, int _2, int _3, Rune *_4, int _5)
{
Column *c;
Window *w;
USED(_0);
USED(_1);
@ -356,8 +357,11 @@ newcol(Text *et, Text *_0, Text *_1, int _2, int _3, Rune *_4, int _5)
USED(_5);
c = rowadd(et->row, nil, -1);
if(c)
winsettag(coladd(c, nil, nil, -1));
if(c) {
w = coladd(c, nil, nil, -1);
winsettag(w);
xfidlog(w, "new");
}
}
void
@ -562,6 +566,7 @@ zeroxx(Text *et, Text *t, Text *_1, int _2, int _3, Rune *_4, int _5)
nw = coladd(t->w->col, nil, t->w, -1);
/* ugly: fix locks so w->unlock works */
winlock1(nw, t->w->owner);
xfidlog(nw, "zerox");
}
if(locked)
winunlock(t->w);
@ -627,6 +632,7 @@ get(Text *et, Text *t, Text *argt, int flag1, int _0, Rune *arg, int narg)
textsetselect(&u->w->tag, u->w->tag.file->b.nc, u->w->tag.file->b.nc);
textscrdraw(u);
}
xfidlog(w, "get");
}
void
@ -782,6 +788,7 @@ put(Text *et, Text *_0, Text *argt, int _1, int _2, Rune *arg, int narg)
}
namer = bytetorune(name, &nname);
putfile(f, 0, f->b.nc, namer, nname);
xfidlog(w, "put");
free(name);
}