go@596bb76 (original) (raw)

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Original file line number	Diff line number	Diff line change
@@ -1434,6 +1434,11 @@ casedot:
1434	1434	}
1435	1435
1436	1436	caseep:
	1437	+if importpkg == nil && (c == 'p' \|
	1438	+// p is allowed in .a/.o imports,
	1439	+// but not in .go sources. See #9036.
	1440	+Yyerror("malformed floating point constant")
	1441	+ }
1437	1442	cp.WriteByte(byte(c))
1438	1443	c = getc()
1439	1444	if c == '+' \|
@@ -1442,7 +1447,7 @@ caseep:
1442	1447	}
1443	1448
1444	1449	if !yy_isdigit(c) {
1445		-Yyerror("malformed fp constant exponent")
	1450	+Yyerror("malformed floating point constant exponent")
1446	1451	}
1447	1452	for yy_isdigit(c) {
1448	1453	cp.WriteByte(byte(c))

Original file line number	Diff line number	Diff line change
@@ -0,0 +1,29 @@
	1	+// errorcheck
	2	+
	3	+// Copyright 2015 The Go Authors. All rights reserved.
	4	+// Use of this source code is governed by a BSD-style
	5	+// license that can be found in the LICENSE file.
	6	+
	7	+// Expects to see error messages on "p" exponents.
	8	+
	9	+package main
	10	+
	11	+import "fmt"
	12	+
	13	+const (
	14	+x1 = 1.1 // float
	15	+x2 = 1e10 // float
	16	+x3 = 0x1e10 // integer (e is a hex digit)
	17	+x4 = 0x1p10 // ERROR "malformed floating point constant"
	18	+x5 = 1p10 // ERROR "malformed floating point constant"
	19	+x6 = 0p0 // ERROR "malformed floating point constant"
	20	+)
	21	+
	22	+func main() {
	23	+fmt.Printf("%g %T\n", x1, x1)
	24	+fmt.Printf("%g %T\n", x2, x2)
	25	+fmt.Printf("%g %T\n", x3, x3)
	26	+fmt.Printf("%g %T\n", x4, x4)
	27	+fmt.Printf("%g %T\n", x5, x5)
	28	+fmt.Printf("%g %T\n", x6, x6)
	29	+}