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| author | Roger Peppe <rogpeppe@gmail.com> | 2010-05-17 12:23:48 -0700 |
|---|---|---|
| committer | Roger Peppe <rogpeppe@gmail.com> | 2010-05-17 12:23:48 -0700 |
| commit | bb0a7fa32dd9b1a61b926d3ef67e99b43735f06c (patch) | |
| tree | fb22d8c89d8c6a9f5e94ce6d9e4ceba86c4209e8 /src/cmd/goyacc/doc.go | |
| parent | 1ed124cc391b61c8cb24263ae4027276c0e24cb3 (diff) | |
| download | golang-bb0a7fa32dd9b1a61b926d3ef67e99b43735f06c.tar.gz | |
Add Error member to yyLexer type (yyError
has no access to yylex)
R=ken2, ken3
CC=golang-dev
http://codereview.appspot.com/813047
Committer: Ken Thompson <ken@golang.org>
Diffstat (limited to 'src/cmd/goyacc/doc.go')
| -rw-r--r-- | src/cmd/goyacc/doc.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/cmd/goyacc/doc.go b/src/cmd/goyacc/doc.go index eea70adab..686f75745 100644 --- a/src/cmd/goyacc/doc.go +++ b/src/cmd/goyacc/doc.go @@ -24,10 +24,12 @@ argument that conforms to the following interface: type yyLexer interface { Lex(lval *yySymType) int + Error(e string) } Lex should return the token identifier, and place other token information in lval (which replaces the usual yylval). +Error is equivalent to yyerror in the original yacc. Code inside the parser may refer to the variable yylex which holds the yyLexer passed to Parse. |