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cmd/compile: remove support for textual export format

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Fixes #15323.

Change-Id: I50e996e6fde6b24327cb45dd84da31deef4dcc56
Reviewed-on: https://go-review.googlesource.com/27171
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Robert Griesemer 2016-08-16 12:55:17 -07:00
parent e492d9f018
commit b4e9f70412
10 changed files with 86 additions and 2125 deletions
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35
src/cmd/compile/internal/gc/mkbuiltin.go
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@ -66,16 +66,9 @@ func mkbuiltin(w io.Writer, name string) {
}
// Look for $$B that introduces binary export data.
textual := false // TODO(gri) remove once we switched to binary export format
i := bytes.Index(b, []byte("\n$$B\n"))
if i < 0 {
// Look for $$ that introduces textual export data.
i = bytes.Index(b, []byte("\n$$\n"))
if i < 0 {
log.Fatal("did not find beginning of export data")
}
textual = true
i-- // textual data doesn't have B
log.Fatal("did not find beginning of export data")
}
b = b[i+5:]
@ -87,27 +80,15 @@ func mkbuiltin(w io.Writer, name string) {
b = b[:i+4]
// Process and reformat export data.
const n = 40 // number of bytes per line
fmt.Fprintf(w, "\nconst %simport = \"\"", name)
if textual {
for _, p := range bytes.SplitAfter(b, []byte("\n")) {
// Chop leading white space.
p = bytes.TrimLeft(p, " \t")
if len(p) == 0 {
continue
}
fmt.Fprintf(w, " +\n\t%q", p)
}
} else {
const n = 40 // number of bytes per line
for len(b) > 0 {
i := len(b)
if i > n {
i = n
}
fmt.Fprintf(w, " +\n\t%q", b[:i])
b = b[i:]
for len(b) > 0 {
i := len(b)
if i > n {
i = n
}
fmt.Fprintf(w, " +\n\t%q", b[:i])
b = b[i:]
}
fmt.Fprintf(w, "\n")
}