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core/asm: allow numbers in labels (#20362)

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Numbers were already allowed when creating labels, just not when
referencing them.
This commit is contained in:
Michael Forney 2019-11-23 03:52:17 -08:00 committed by Felix Lange
parent 5d21667587
commit 3a0480e07d
2 changed files with 9 additions and 1 deletions
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8
core/asm/lex_test.go
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@ -60,6 +60,14 @@ func TestLexer(t *testing.T) {
input: "0123abc",
tokens: []token{{typ: lineStart}, {typ: number, text: "0123"}, {typ: element, text: "abc"}, {typ: eof}},
},
{
input: "@foo",
tokens: []token{{typ: lineStart}, {typ: label, text: "foo"}, {typ: eof}},
},
{
input: "@label123",
tokens: []token{{typ: lineStart}, {typ: label, text: "label123"}, {typ: eof}},
},
}
for _, test := range tests {

2
core/asm/lexer.go
View File

@ -234,7 +234,7 @@ func lexComment(l *lexer) stateFn {
// the lex text state function to advance the parsing
// process.
func lexLabel(l *lexer) stateFn {
l.acceptRun(Alpha + "_")
l.acceptRun(Alpha + "_" + Numbers)
l.emit(label)