| // Copyright 2009 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package scanner |
| |
| import ( |
| "go/token" |
| "os" |
| "path/filepath" |
| "runtime" |
| "strings" |
| "testing" |
| ) |
| |
| var fset = token.NewFileSet() |
| |
| const /* class */ ( |
| special = iota |
| literal |
| operator |
| keyword |
| ) |
| |
| func tokenclass(tok token.Token) int { |
| switch { |
| case tok.IsLiteral(): |
| return literal |
| case tok.IsOperator(): |
| return operator |
| case tok.IsKeyword(): |
| return keyword |
| } |
| return special |
| } |
| |
| type elt struct { |
| tok token.Token |
| lit string |
| class int |
| } |
| |
| var tokens = []elt{ |
| // Special tokens |
| {token.COMMENT, "/* a comment */", special}, |
| {token.COMMENT, "// a comment \n", special}, |
| {token.COMMENT, "/*\r*/", special}, |
| {token.COMMENT, "/**\r/*/", special}, // issue 11151 |
| {token.COMMENT, "/**\r\r/*/", special}, |
| {token.COMMENT, "//\r\n", special}, |
| |
| // Identifiers and basic type literals |
| {token.IDENT, "foobar", literal}, |
| {token.IDENT, "a۰۱۸", literal}, |
| {token.IDENT, "foo६४", literal}, |
| {token.IDENT, "bar9876", literal}, |
| {token.IDENT, "ŝ", literal}, // was bug (issue 4000) |
| {token.IDENT, "ŝfoo", literal}, // was bug (issue 4000) |
| {token.INT, "0", literal}, |
| {token.INT, "1", literal}, |
| {token.INT, "123456789012345678890", literal}, |
| {token.INT, "01234567", literal}, |
| {token.INT, "0xcafebabe", literal}, |
| {token.FLOAT, "0.", literal}, |
| {token.FLOAT, ".0", literal}, |
| {token.FLOAT, "3.14159265", literal}, |
| {token.FLOAT, "1e0", literal}, |
| {token.FLOAT, "1e+100", literal}, |
| {token.FLOAT, "1e-100", literal}, |
| {token.FLOAT, "2.71828e-1000", literal}, |
| {token.IMAG, "0i", literal}, |
| {token.IMAG, "1i", literal}, |
| {token.IMAG, "012345678901234567889i", literal}, |
| {token.IMAG, "123456789012345678890i", literal}, |
| {token.IMAG, "0.i", literal}, |
| {token.IMAG, ".0i", literal}, |
| {token.IMAG, "3.14159265i", literal}, |
| {token.IMAG, "1e0i", literal}, |
| {token.IMAG, "1e+100i", literal}, |
| {token.IMAG, "1e-100i", literal}, |
| {token.IMAG, "2.71828e-1000i", literal}, |
| {token.CHAR, "'a'", literal}, |
| {token.CHAR, "'\\000'", literal}, |
| {token.CHAR, "'\\xFF'", literal}, |
| {token.CHAR, "'\\uff16'", literal}, |
| {token.CHAR, "'\\U0000ff16'", literal}, |
| {token.STRING, "`foobar`", literal}, |
| {token.STRING, "`" + `foo |
| bar` + |
| "`", |
| literal, |
| }, |
| {token.STRING, "`\r`", literal}, |
| {token.STRING, "`foo\r\nbar`", literal}, |
| |
| // Operators and delimiters |
| {token.ADD, "+", operator}, |
| {token.SUB, "-", operator}, |
| {token.MUL, "*", operator}, |
| {token.QUO, "/", operator}, |
| {token.REM, "%", operator}, |
| |
| {token.AND, "&", operator}, |
| {token.OR, "|", operator}, |
| {token.XOR, "^", operator}, |
| {token.SHL, "<<", operator}, |
| {token.SHR, ">>", operator}, |
| {token.AND_NOT, "&^", operator}, |
| |
| {token.ADD_ASSIGN, "+=", operator}, |
| {token.SUB_ASSIGN, "-=", operator}, |
| {token.MUL_ASSIGN, "*=", operator}, |
| {token.QUO_ASSIGN, "/=", operator}, |
| {token.REM_ASSIGN, "%=", operator}, |
| |
| {token.AND_ASSIGN, "&=", operator}, |
| {token.OR_ASSIGN, "|=", operator}, |
| {token.XOR_ASSIGN, "^=", operator}, |
| {token.SHL_ASSIGN, "<<=", operator}, |
| {token.SHR_ASSIGN, ">>=", operator}, |
| {token.AND_NOT_ASSIGN, "&^=", operator}, |
| |
| {token.LAND, "&&", operator}, |
| {token.LOR, "||", operator}, |
| {token.ARROW, "<-", operator}, |
| {token.INC, "++", operator}, |
| {token.DEC, "--", operator}, |
| |
| {token.EQL, "==", operator}, |
| {token.LSS, "<", operator}, |
| {token.GTR, ">", operator}, |
| {token.ASSIGN, "=", operator}, |
| {token.NOT, "!", operator}, |
| |
| {token.NEQ, "!=", operator}, |
| {token.LEQ, "<=", operator}, |
| {token.GEQ, ">=", operator}, |
| {token.DEFINE, ":=", operator}, |
| {token.ELLIPSIS, "...", operator}, |
| |
| {token.LPAREN, "(", operator}, |
| {token.LBRACK, "[", operator}, |
| {token.LBRACE, "{", operator}, |
| {token.COMMA, ",", operator}, |
| {token.PERIOD, ".", operator}, |
| |
| {token.RPAREN, ")", operator}, |
| {token.RBRACK, "]", operator}, |
| {token.RBRACE, "}", operator}, |
| {token.SEMICOLON, ";", operator}, |
| {token.COLON, ":", operator}, |
| {token.TILDE, "~", operator}, |
| |
| // Keywords |
| {token.BREAK, "break", keyword}, |
| {token.CASE, "case", keyword}, |
| {token.CHAN, "chan", keyword}, |
| {token.CONST, "const", keyword}, |
| {token.CONTINUE, "continue", keyword}, |
| |
| {token.DEFAULT, "default", keyword}, |
| {token.DEFER, "defer", keyword}, |
| {token.ELSE, "else", keyword}, |
| {token.FALLTHROUGH, "fallthrough", keyword}, |
| {token.FOR, "for", keyword}, |
| |
| {token.FUNC, "func", keyword}, |
| {token.GO, "go", keyword}, |
| {token.GOTO, "goto", keyword}, |
| {token.IF, "if", keyword}, |
| {token.IMPORT, "import", keyword}, |
| |
| {token.INTERFACE, "interface", keyword}, |
| {token.MAP, "map", keyword}, |
| {token.PACKAGE, "package", keyword}, |
| {token.RANGE, "range", keyword}, |
| {token.RETURN, "return", keyword}, |
| |
| {token.SELECT, "select", keyword}, |
| {token.STRUCT, "struct", keyword}, |
| {token.SWITCH, "switch", keyword}, |
| {token.TYPE, "type", keyword}, |
| {token.VAR, "var", keyword}, |
| } |
| |
| const whitespace = " \t \n\n\n" // to separate tokens |
| |
| var source = func() []byte { |
| var src []byte |
| for _, t := range tokens { |
| src = append(src, t.lit...) |
| src = append(src, whitespace...) |
| } |
| return src |
| }() |
| |
| func newlineCount(s string) int { |
| n := 0 |
| for i := 0; i < len(s); i++ { |
| if s[i] == '\n' { |
| n++ |
| } |
| } |
| return n |
| } |
| |
| func checkPos(t *testing.T, lit string, p token.Pos, expected token.Position) { |
| pos := fset.Position(p) |
| // Check cleaned filenames so that we don't have to worry about |
| // different os.PathSeparator values. |
| if pos.Filename != expected.Filename && filepath.Clean(pos.Filename) != filepath.Clean(expected.Filename) { |
| t.Errorf("bad filename for %q: got %s, expected %s", lit, pos.Filename, expected.Filename) |
| } |
| if pos.Offset != expected.Offset { |
| t.Errorf("bad position for %q: got %d, expected %d", lit, pos.Offset, expected.Offset) |
| } |
| if pos.Line != expected.Line { |
| t.Errorf("bad line for %q: got %d, expected %d", lit, pos.Line, expected.Line) |
| } |
| if pos.Column != expected.Column { |
| t.Errorf("bad column for %q: got %d, expected %d", lit, pos.Column, expected.Column) |
| } |
| } |
| |
| // Verify that calling Scan() provides the correct results. |
| func TestScan(t *testing.T) { |
| whitespace_linecount := newlineCount(whitespace) |
| |
| // error handler |
| eh := func(_ token.Position, msg string) { |
| t.Errorf("error handler called (msg = %s)", msg) |
| } |
| |
| // verify scan |
| var s Scanner |
| s.Init(fset.AddFile("", fset.Base(), len(source)), source, eh, ScanComments|dontInsertSemis) |
| |
| // set up expected position |
| epos := token.Position{ |
| Filename: "", |
| Offset: 0, |
| Line: 1, |
| Column: 1, |
| } |
| |
| index := 0 |
| for { |
| pos, tok, lit := s.Scan() |
| |
| // check position |
| if tok == token.EOF { |
| // correction for EOF |
| epos.Line = newlineCount(string(source)) |
| epos.Column = 2 |
| } |
| checkPos(t, lit, pos, epos) |
| |
| // check token |
| e := elt{token.EOF, "", special} |
| if index < len(tokens) { |
| e = tokens[index] |
| index++ |
| } |
| if tok != e.tok { |
| t.Errorf("bad token for %q: got %s, expected %s", lit, tok, e.tok) |
| } |
| |
| // check token class |
| if tokenclass(tok) != e.class { |
| t.Errorf("bad class for %q: got %d, expected %d", lit, tokenclass(tok), e.class) |
| } |
| |
| // check literal |
| elit := "" |
| switch e.tok { |
| case token.COMMENT: |
| // no CRs in comments |
| elit = string(stripCR([]byte(e.lit), e.lit[1] == '*')) |
| //-style comment literal doesn't contain newline |
| if elit[1] == '/' { |
| elit = elit[0 : len(elit)-1] |
| } |
| case token.IDENT: |
| elit = e.lit |
| case token.SEMICOLON: |
| elit = ";" |
| default: |
| if e.tok.IsLiteral() { |
| // no CRs in raw string literals |
| elit = e.lit |
| if elit[0] == '`' { |
| elit = string(stripCR([]byte(elit), false)) |
| } |
| } else if e.tok.IsKeyword() { |
| elit = e.lit |
| } |
| } |
| if lit != elit { |
| t.Errorf("bad literal for %q: got %q, expected %q", lit, lit, elit) |
| } |
| |
| if tok == token.EOF { |
| break |
| } |
| |
| // update position |
| epos.Offset += len(e.lit) + len(whitespace) |
| epos.Line += newlineCount(e.lit) + whitespace_linecount |
| |
| } |
| |
| if s.ErrorCount != 0 { |
| t.Errorf("found %d errors", s.ErrorCount) |
| } |
| } |
| |
| func TestStripCR(t *testing.T) { |
| for _, test := range []struct{ have, want string }{ |
| {"//\n", "//\n"}, |
| {"//\r\n", "//\n"}, |
| {"//\r\r\r\n", "//\n"}, |
| {"//\r*\r/\r\n", "//*/\n"}, |
| {"/**/", "/**/"}, |
| {"/*\r/*/", "/*/*/"}, |
| {"/*\r*/", "/**/"}, |
| {"/**\r/*/", "/**\r/*/"}, |
| {"/*\r/\r*\r/*/", "/*/*\r/*/"}, |
| {"/*\r\r\r\r*/", "/**/"}, |
| } { |
| got := string(stripCR([]byte(test.have), len(test.have) >= 2 && test.have[1] == '*')) |
| if got != test.want { |
| t.Errorf("stripCR(%q) = %q; want %q", test.have, got, test.want) |
| } |
| } |
| } |
| |
| func checkSemi(t *testing.T, input, want string, mode Mode) { |
| if mode&ScanComments == 0 { |
| want = strings.ReplaceAll(want, "COMMENT ", "") |
| want = strings.ReplaceAll(want, " COMMENT", "") // if at end |
| want = strings.ReplaceAll(want, "COMMENT", "") // if sole token |
| } |
| |
| file := fset.AddFile("TestSemis", fset.Base(), len(input)) |
| var scan Scanner |
| scan.Init(file, []byte(input), nil, mode) |
| var tokens []string |
| for { |
| pos, tok, lit := scan.Scan() |
| if tok == token.EOF { |
| break |
| } |
| if tok == token.SEMICOLON && lit != ";" { |
| // Artifical semicolon: |
| // assert that position is EOF or that of a newline. |
| off := file.Offset(pos) |
| if off != len(input) && input[off] != '\n' { |
| t.Errorf("scanning <<%s>>, got SEMICOLON at offset %d, want newline or EOF", input, off) |
| } |
| } |
| lit = tok.String() // "\n" => ";" |
| tokens = append(tokens, lit) |
| } |
| if got := strings.Join(tokens, " "); got != want { |
| t.Errorf("scanning <<%s>>, got [%s], want [%s]", input, got, want) |
| } |
| } |
| |
| var semicolonTests = [...]struct{ input, want string }{ |
| {"", ""}, |
| {"\ufeff;", ";"}, // first BOM is ignored |
| {";", ";"}, |
| {"foo\n", "IDENT ;"}, |
| {"123\n", "INT ;"}, |
| {"1.2\n", "FLOAT ;"}, |
| {"'x'\n", "CHAR ;"}, |
| {`"x"` + "\n", "STRING ;"}, |
| {"`x`\n", "STRING ;"}, |
| |
| {"+\n", "+"}, |
| {"-\n", "-"}, |
| {"*\n", "*"}, |
| {"/\n", "/"}, |
| {"%\n", "%"}, |
| |
| {"&\n", "&"}, |
| {"|\n", "|"}, |
| {"^\n", "^"}, |
| {"<<\n", "<<"}, |
| {">>\n", ">>"}, |
| {"&^\n", "&^"}, |
| |
| {"+=\n", "+="}, |
| {"-=\n", "-="}, |
| {"*=\n", "*="}, |
| {"/=\n", "/="}, |
| {"%=\n", "%="}, |
| |
| {"&=\n", "&="}, |
| {"|=\n", "|="}, |
| {"^=\n", "^="}, |
| {"<<=\n", "<<="}, |
| {">>=\n", ">>="}, |
| {"&^=\n", "&^="}, |
| |
| {"&&\n", "&&"}, |
| {"||\n", "||"}, |
| {"<-\n", "<-"}, |
| {"++\n", "++ ;"}, |
| {"--\n", "-- ;"}, |
| |
| {"==\n", "=="}, |
| {"<\n", "<"}, |
| {">\n", ">"}, |
| {"=\n", "="}, |
| {"!\n", "!"}, |
| |
| {"!=\n", "!="}, |
| {"<=\n", "<="}, |
| {">=\n", ">="}, |
| {":=\n", ":="}, |
| {"...\n", "..."}, |
| |
| {"(\n", "("}, |
| {"[\n", "["}, |
| {"{\n", "{"}, |
| {",\n", ","}, |
| {".\n", "."}, |
| |
| {")\n", ") ;"}, |
| {"]\n", "] ;"}, |
| {"}\n", "} ;"}, |
| {";\n", ";"}, |
| {":\n", ":"}, |
| |
| {"break\n", "break ;"}, |
| {"case\n", "case"}, |
| {"chan\n", "chan"}, |
| {"const\n", "const"}, |
| {"continue\n", "continue ;"}, |
| |
| {"default\n", "default"}, |
| {"defer\n", "defer"}, |
| {"else\n", "else"}, |
| {"fallthrough\n", "fallthrough ;"}, |
| {"for\n", "for"}, |
| |
| {"func\n", "func"}, |
| {"go\n", "go"}, |
| {"goto\n", "goto"}, |
| {"if\n", "if"}, |
| {"import\n", "import"}, |
| |
| {"interface\n", "interface"}, |
| {"map\n", "map"}, |
| {"package\n", "package"}, |
| {"range\n", "range"}, |
| {"return\n", "return ;"}, |
| |
| {"select\n", "select"}, |
| {"struct\n", "struct"}, |
| {"switch\n", "switch"}, |
| {"type\n", "type"}, |
| {"var\n", "var"}, |
| |
| {"foo//comment\n", "IDENT COMMENT ;"}, |
| {"foo//comment", "IDENT COMMENT ;"}, |
| {"foo/*comment*/\n", "IDENT COMMENT ;"}, |
| {"foo/*\n*/", "IDENT COMMENT ;"}, |
| {"foo/*comment*/ \n", "IDENT COMMENT ;"}, |
| {"foo/*\n*/ ", "IDENT COMMENT ;"}, |
| |
| {"foo // comment\n", "IDENT COMMENT ;"}, |
| {"foo // comment", "IDENT COMMENT ;"}, |
| {"foo /*comment*/\n", "IDENT COMMENT ;"}, |
| {"foo /*\n*/", "IDENT COMMENT ;"}, |
| {"foo /* */ /* \n */ bar/**/\n", "IDENT COMMENT COMMENT ; IDENT COMMENT ;"}, |
| {"foo /*0*/ /*1*/ /*2*/\n", "IDENT COMMENT COMMENT COMMENT ;"}, |
| |
| {"foo /*comment*/ \n", "IDENT COMMENT ;"}, |
| {"foo /*0*/ /*1*/ /*2*/ \n", "IDENT COMMENT COMMENT COMMENT ;"}, |
| {"foo /**/ /*-------------*/ /*----\n*/bar /* \n*/baa\n", "IDENT COMMENT COMMENT COMMENT ; IDENT COMMENT ; IDENT ;"}, |
| {"foo /* an EOF terminates a line */", "IDENT COMMENT ;"}, |
| {"foo /* an EOF terminates a line */ /*", "IDENT COMMENT COMMENT ;"}, |
| {"foo /* an EOF terminates a line */ //", "IDENT COMMENT COMMENT ;"}, |
| |
| {"package main\n\nfunc main() {\n\tif {\n\t\treturn /* */ }\n}\n", "package IDENT ; func IDENT ( ) { if { return COMMENT } ; } ;"}, |
| {"package main", "package IDENT ;"}, |
| } |
| |
| func TestSemicolons(t *testing.T) { |
| for _, test := range semicolonTests { |
| input, want := test.input, test.want |
| checkSemi(t, input, want, 0) |
| checkSemi(t, input, want, ScanComments) |
| |
| // if the input ended in newlines, the input must tokenize the |
| // same with or without those newlines |
| for i := len(input) - 1; i >= 0 && input[i] == '\n'; i-- { |
| checkSemi(t, input[0:i], want, 0) |
| checkSemi(t, input[0:i], want, ScanComments) |
| } |
| } |
| } |
| |
| type segment struct { |
| srcline string // a line of source text |
| filename string // filename for current token; error message for invalid line directives |
| line, column int // line and column for current token; error position for invalid line directives |
| } |
| |
| var segments = []segment{ |
| // exactly one token per line since the test consumes one token per segment |
| {" line1", "TestLineDirectives", 1, 3}, |
| {"\nline2", "TestLineDirectives", 2, 1}, |
| {"\nline3 //line File1.go:100", "TestLineDirectives", 3, 1}, // bad line comment, ignored |
| {"\nline4", "TestLineDirectives", 4, 1}, |
| {"\n//line File1.go:100\n line100", "File1.go", 100, 0}, |
| {"\n//line \t :42\n line1", " \t ", 42, 0}, |
| {"\n//line File2.go:200\n line200", "File2.go", 200, 0}, |
| {"\n//line foo\t:42\n line42", "foo\t", 42, 0}, |
| {"\n //line foo:42\n line43", "foo\t", 44, 0}, // bad line comment, ignored (use existing, prior filename) |
| {"\n//line foo 42\n line44", "foo\t", 46, 0}, // bad line comment, ignored (use existing, prior filename) |
| {"\n//line /bar:42\n line45", "/bar", 42, 0}, |
| {"\n//line ./foo:42\n line46", "foo", 42, 0}, |
| {"\n//line a/b/c/File1.go:100\n line100", "a/b/c/File1.go", 100, 0}, |
| {"\n//line c:\\bar:42\n line200", "c:\\bar", 42, 0}, |
| {"\n//line c:\\dir\\File1.go:100\n line201", "c:\\dir\\File1.go", 100, 0}, |
| |
| // tests for new line directive syntax |
| {"\n//line :100\na1", "", 100, 0}, // missing filename means empty filename |
| {"\n//line bar:100\nb1", "bar", 100, 0}, |
| {"\n//line :100:10\nc1", "bar", 100, 10}, // missing filename means current filename |
| {"\n//line foo:100:10\nd1", "foo", 100, 10}, |
| |
| {"\n/*line :100*/a2", "", 100, 0}, // missing filename means empty filename |
| {"\n/*line bar:100*/b2", "bar", 100, 0}, |
| {"\n/*line :100:10*/c2", "bar", 100, 10}, // missing filename means current filename |
| {"\n/*line foo:100:10*/d2", "foo", 100, 10}, |
| {"\n/*line foo:100:10*/ e2", "foo", 100, 14}, // line-directive relative column |
| {"\n/*line foo:100:10*/\n\nf2", "foo", 102, 1}, // absolute column since on new line |
| } |
| |
| var dirsegments = []segment{ |
| // exactly one token per line since the test consumes one token per segment |
| {" line1", "TestLineDir/TestLineDirectives", 1, 3}, |
| {"\n//line File1.go:100\n line100", "TestLineDir/File1.go", 100, 0}, |
| } |
| |
| var dirUnixSegments = []segment{ |
| {"\n//line /bar:42\n line42", "/bar", 42, 0}, |
| } |
| |
| var dirWindowsSegments = []segment{ |
| {"\n//line c:\\bar:42\n line42", "c:\\bar", 42, 0}, |
| } |
| |
| // Verify that line directives are interpreted correctly. |
| func TestLineDirectives(t *testing.T) { |
| testSegments(t, segments, "TestLineDirectives") |
| testSegments(t, dirsegments, "TestLineDir/TestLineDirectives") |
| if runtime.GOOS == "windows" { |
| testSegments(t, dirWindowsSegments, "TestLineDir/TestLineDirectives") |
| } else { |
| testSegments(t, dirUnixSegments, "TestLineDir/TestLineDirectives") |
| } |
| } |
| |
| func testSegments(t *testing.T, segments []segment, filename string) { |
| var src string |
| for _, e := range segments { |
| src += e.srcline |
| } |
| |
| // verify scan |
| var S Scanner |
| file := fset.AddFile(filename, fset.Base(), len(src)) |
| S.Init(file, []byte(src), func(pos token.Position, msg string) { t.Error(Error{pos, msg}) }, dontInsertSemis) |
| for _, s := range segments { |
| p, _, lit := S.Scan() |
| pos := file.Position(p) |
| checkPos(t, lit, p, token.Position{ |
| Filename: s.filename, |
| Offset: pos.Offset, |
| Line: s.line, |
| Column: s.column, |
| }) |
| } |
| |
| if S.ErrorCount != 0 { |
| t.Errorf("got %d errors", S.ErrorCount) |
| } |
| } |
| |
| // The filename is used for the error message in these test cases. |
| // The first line directive is valid and used to control the expected error line. |
| var invalidSegments = []segment{ |
| {"\n//line :1:1\n//line foo:42 extra text\ndummy", "invalid line number: 42 extra text", 1, 12}, |
| {"\n//line :2:1\n//line foobar:\ndummy", "invalid line number: ", 2, 15}, |
| {"\n//line :5:1\n//line :0\ndummy", "invalid line number: 0", 5, 9}, |
| {"\n//line :10:1\n//line :1:0\ndummy", "invalid column number: 0", 10, 11}, |
| {"\n//line :1:1\n//line :foo:0\ndummy", "invalid line number: 0", 1, 13}, // foo is considered part of the filename |
| } |
| |
| // Verify that invalid line directives get the correct error message. |
| func TestInvalidLineDirectives(t *testing.T) { |
| // make source |
| var src string |
| for _, e := range invalidSegments { |
| src += e.srcline |
| } |
| |
| // verify scan |
| var S Scanner |
| var s segment // current segment |
| file := fset.AddFile(filepath.Join("dir", "TestInvalidLineDirectives"), fset.Base(), len(src)) |
| S.Init(file, []byte(src), func(pos token.Position, msg string) { |
| if msg != s.filename { |
| t.Errorf("got error %q; want %q", msg, s.filename) |
| } |
| if pos.Line != s.line || pos.Column != s.column { |
| t.Errorf("got position %d:%d; want %d:%d", pos.Line, pos.Column, s.line, s.column) |
| } |
| }, dontInsertSemis) |
| for _, s = range invalidSegments { |
| S.Scan() |
| } |
| |
| if S.ErrorCount != len(invalidSegments) { |
| t.Errorf("got %d errors; want %d", S.ErrorCount, len(invalidSegments)) |
| } |
| } |
| |
| // Verify that initializing the same scanner more than once works correctly. |
| func TestInit(t *testing.T) { |
| var s Scanner |
| |
| // 1st init |
| src1 := "if true { }" |
| f1 := fset.AddFile("src1", fset.Base(), len(src1)) |
| s.Init(f1, []byte(src1), nil, dontInsertSemis) |
| if f1.Size() != len(src1) { |
| t.Errorf("bad file size: got %d, expected %d", f1.Size(), len(src1)) |
| } |
| s.Scan() // if |
| s.Scan() // true |
| _, tok, _ := s.Scan() // { |
| if tok != token.LBRACE { |
| t.Errorf("bad token: got %s, expected %s", tok, token.LBRACE) |
| } |
| |
| // 2nd init |
| src2 := "go true { ]" |
| f2 := fset.AddFile("src2", fset.Base(), len(src2)) |
| s.Init(f2, []byte(src2), nil, dontInsertSemis) |
| if f2.Size() != len(src2) { |
| t.Errorf("bad file size: got %d, expected %d", f2.Size(), len(src2)) |
| } |
| _, tok, _ = s.Scan() // go |
| if tok != token.GO { |
| t.Errorf("bad token: got %s, expected %s", tok, token.GO) |
| } |
| |
| if s.ErrorCount != 0 { |
| t.Errorf("found %d errors", s.ErrorCount) |
| } |
| } |
| |
| func TestStdErrorHandler(t *testing.T) { |
| const src = "@\n" + // illegal character, cause an error |
| "@ @\n" + // two errors on the same line |
| "//line File2:20\n" + |
| "@\n" + // different file, but same line |
| "//line File2:1\n" + |
| "@ @\n" + // same file, decreasing line number |
| "//line File1:1\n" + |
| "@ @ @" // original file, line 1 again |
| |
| var list ErrorList |
| eh := func(pos token.Position, msg string) { list.Add(pos, msg) } |
| |
| var s Scanner |
| s.Init(fset.AddFile("File1", fset.Base(), len(src)), []byte(src), eh, dontInsertSemis) |
| for { |
| if _, tok, _ := s.Scan(); tok == token.EOF { |
| break |
| } |
| } |
| |
| if len(list) != s.ErrorCount { |
| t.Errorf("found %d errors, expected %d", len(list), s.ErrorCount) |
| } |
| |
| if len(list) != 9 { |
| t.Errorf("found %d raw errors, expected 9", len(list)) |
| PrintError(os.Stderr, list) |
| } |
| |
| list.Sort() |
| if len(list) != 9 { |
| t.Errorf("found %d sorted errors, expected 9", len(list)) |
| PrintError(os.Stderr, list) |
| } |
| |
| list.RemoveMultiples() |
| if len(list) != 4 { |
| t.Errorf("found %d one-per-line errors, expected 4", len(list)) |
| PrintError(os.Stderr, list) |
| } |
| } |
| |
| type errorCollector struct { |
| cnt int // number of errors encountered |
| msg string // last error message encountered |
| pos token.Position // last error position encountered |
| } |
| |
| func checkError(t *testing.T, src string, tok token.Token, pos int, lit, err string) { |
| var s Scanner |
| var h errorCollector |
| eh := func(pos token.Position, msg string) { |
| h.cnt++ |
| h.msg = msg |
| h.pos = pos |
| } |
| s.Init(fset.AddFile("", fset.Base(), len(src)), []byte(src), eh, ScanComments|dontInsertSemis) |
| _, tok0, lit0 := s.Scan() |
| if tok0 != tok { |
| t.Errorf("%q: got %s, expected %s", src, tok0, tok) |
| } |
| if tok0 != token.ILLEGAL && lit0 != lit { |
| t.Errorf("%q: got literal %q, expected %q", src, lit0, lit) |
| } |
| cnt := 0 |
| if err != "" { |
| cnt = 1 |
| } |
| if h.cnt != cnt { |
| t.Errorf("%q: got cnt %d, expected %d", src, h.cnt, cnt) |
| } |
| if h.msg != err { |
| t.Errorf("%q: got msg %q, expected %q", src, h.msg, err) |
| } |
| if h.pos.Offset != pos { |
| t.Errorf("%q: got offset %d, expected %d", src, h.pos.Offset, pos) |
| } |
| } |
| |
| var errors = []struct { |
| src string |
| tok token.Token |
| pos int |
| lit string |
| err string |
| }{ |
| {"\a", token.ILLEGAL, 0, "", "illegal character U+0007"}, |
| {`#`, token.ILLEGAL, 0, "", "illegal character U+0023 '#'"}, |
| {`…`, token.ILLEGAL, 0, "", "illegal character U+2026 '…'"}, |
| {"..", token.PERIOD, 0, "", ""}, // two periods, not invalid token (issue #28112) |
| {`' '`, token.CHAR, 0, `' '`, ""}, |
| {`''`, token.CHAR, 0, `''`, "illegal rune literal"}, |
| {`'12'`, token.CHAR, 0, `'12'`, "illegal rune literal"}, |
| {`'123'`, token.CHAR, 0, `'123'`, "illegal rune literal"}, |
| {`'\0'`, token.CHAR, 3, `'\0'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\07'`, token.CHAR, 4, `'\07'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\8'`, token.CHAR, 2, `'\8'`, "unknown escape sequence"}, |
| {`'\08'`, token.CHAR, 3, `'\08'`, "illegal character U+0038 '8' in escape sequence"}, |
| {`'\x'`, token.CHAR, 3, `'\x'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\x0'`, token.CHAR, 4, `'\x0'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\x0g'`, token.CHAR, 4, `'\x0g'`, "illegal character U+0067 'g' in escape sequence"}, |
| {`'\u'`, token.CHAR, 3, `'\u'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\u0'`, token.CHAR, 4, `'\u0'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\u00'`, token.CHAR, 5, `'\u00'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\u000'`, token.CHAR, 6, `'\u000'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\u000`, token.CHAR, 6, `'\u000`, "escape sequence not terminated"}, |
| {`'\u0000'`, token.CHAR, 0, `'\u0000'`, ""}, |
| {`'\U'`, token.CHAR, 3, `'\U'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\U0'`, token.CHAR, 4, `'\U0'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\U00'`, token.CHAR, 5, `'\U00'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\U000'`, token.CHAR, 6, `'\U000'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\U0000'`, token.CHAR, 7, `'\U0000'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\U00000'`, token.CHAR, 8, `'\U00000'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\U000000'`, token.CHAR, 9, `'\U000000'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\U0000000'`, token.CHAR, 10, `'\U0000000'`, "illegal character U+0027 ''' in escape sequence"}, |
| {`'\U0000000`, token.CHAR, 10, `'\U0000000`, "escape sequence not terminated"}, |
| {`'\U00000000'`, token.CHAR, 0, `'\U00000000'`, ""}, |
| {`'\Uffffffff'`, token.CHAR, 2, `'\Uffffffff'`, "escape sequence is invalid Unicode code point"}, |
| {`'`, token.CHAR, 0, `'`, "rune literal not terminated"}, |
| {`'\`, token.CHAR, 2, `'\`, "escape sequence not terminated"}, |
| {"'\n", token.CHAR, 0, "'", "rune literal not terminated"}, |
| {"'\n ", token.CHAR, 0, "'", "rune literal not terminated"}, |
| {`""`, token.STRING, 0, `""`, ""}, |
| {`"abc`, token.STRING, 0, `"abc`, "string literal not terminated"}, |
| {"\"abc\n", token.STRING, 0, `"abc`, "string literal not terminated"}, |
| {"\"abc\n ", token.STRING, 0, `"abc`, "string literal not terminated"}, |
| {"``", token.STRING, 0, "``", ""}, |
| {"`", token.STRING, 0, "`", "raw string literal not terminated"}, |
| {"/**/", token.COMMENT, 0, "/**/", ""}, |
| {"/*", token.COMMENT, 0, "/*", "comment not terminated"}, |
| {"077", token.INT, 0, "077", ""}, |
| {"078.", token.FLOAT, 0, "078.", ""}, |
| {"07801234567.", token.FLOAT, 0, "07801234567.", ""}, |
| {"078e0", token.FLOAT, 0, "078e0", ""}, |
| {"0E", token.FLOAT, 2, "0E", "exponent has no digits"}, // issue 17621 |
| {"078", token.INT, 2, "078", "invalid digit '8' in octal literal"}, |
| {"07090000008", token.INT, 3, "07090000008", "invalid digit '9' in octal literal"}, |
| {"0x", token.INT, 2, "0x", "hexadecimal literal has no digits"}, |
| {"\"abc\x00def\"", token.STRING, 4, "\"abc\x00def\"", "illegal character NUL"}, |
| {"\"abc\x80def\"", token.STRING, 4, "\"abc\x80def\"", "illegal UTF-8 encoding"}, |
| {"\ufeff\ufeff", token.ILLEGAL, 3, "\ufeff\ufeff", "illegal byte order mark"}, // only first BOM is ignored |
| {"//\ufeff", token.COMMENT, 2, "//\ufeff", "illegal byte order mark"}, // only first BOM is ignored |
| {"'\ufeff" + `'`, token.CHAR, 1, "'\ufeff" + `'`, "illegal byte order mark"}, // only first BOM is ignored |
| {`"` + "abc\ufeffdef" + `"`, token.STRING, 4, `"` + "abc\ufeffdef" + `"`, "illegal byte order mark"}, // only first BOM is ignored |
| {"abc\x00def", token.IDENT, 3, "abc", "illegal character NUL"}, |
| {"abc\x00", token.IDENT, 3, "abc", "illegal character NUL"}, |
| } |
| |
| func TestScanErrors(t *testing.T) { |
| for _, e := range errors { |
| checkError(t, e.src, e.tok, e.pos, e.lit, e.err) |
| } |
| } |
| |
| // Verify that no comments show up as literal values when skipping comments. |
| func TestIssue10213(t *testing.T) { |
| const src = ` |
| var ( |
| A = 1 // foo |
| ) |
| |
| var ( |
| B = 2 |
| // foo |
| ) |
| |
| var C = 3 // foo |
| |
| var D = 4 |
| // foo |
| |
| func anycode() { |
| // foo |
| } |
| ` |
| var s Scanner |
| s.Init(fset.AddFile("", fset.Base(), len(src)), []byte(src), nil, 0) |
| for { |
| pos, tok, lit := s.Scan() |
| class := tokenclass(tok) |
| if lit != "" && class != keyword && class != literal && tok != token.SEMICOLON { |
| t.Errorf("%s: tok = %s, lit = %q", fset.Position(pos), tok, lit) |
| } |
| if tok <= token.EOF { |
| break |
| } |
| } |
| } |
| |
| func TestIssue28112(t *testing.T) { |
| const src = "... .. 0.. .." // make sure to have stand-alone ".." immediately before EOF to test EOF behavior |
| tokens := []token.Token{token.ELLIPSIS, token.PERIOD, token.PERIOD, token.FLOAT, token.PERIOD, token.PERIOD, token.PERIOD, token.EOF} |
| var s Scanner |
| s.Init(fset.AddFile("", fset.Base(), len(src)), []byte(src), nil, 0) |
| for _, want := range tokens { |
| pos, got, lit := s.Scan() |
| if got != want { |
| t.Errorf("%s: got %s, want %s", fset.Position(pos), got, want) |
| } |
| // literals expect to have a (non-empty) literal string and we don't care about other tokens for this test |
| if tokenclass(got) == literal && lit == "" { |
| t.Errorf("%s: for %s got empty literal string", fset.Position(pos), got) |
| } |
| } |
| } |
| |
| func BenchmarkScan(b *testing.B) { |
| b.StopTimer() |
| fset := token.NewFileSet() |
| file := fset.AddFile("", fset.Base(), len(source)) |
| var s Scanner |
| b.StartTimer() |
| for i := 0; i < b.N; i++ { |
| s.Init(file, source, nil, ScanComments) |
| for { |
| _, tok, _ := s.Scan() |
| if tok == token.EOF { |
| break |
| } |
| } |
| } |
| } |
| |
| func BenchmarkScanFiles(b *testing.B) { |
| // Scan a few arbitrary large files, and one small one, to provide some |
| // variety in benchmarks. |
| for _, p := range []string{ |
| "go/types/expr.go", |
| "go/parser/parser.go", |
| "net/http/server.go", |
| "go/scanner/errors.go", |
| } { |
| b.Run(p, func(b *testing.B) { |
| b.StopTimer() |
| filename := filepath.Join("..", "..", filepath.FromSlash(p)) |
| src, err := os.ReadFile(filename) |
| if err != nil { |
| b.Fatal(err) |
| } |
| fset := token.NewFileSet() |
| file := fset.AddFile(filename, fset.Base(), len(src)) |
| b.SetBytes(int64(len(src))) |
| var s Scanner |
| b.StartTimer() |
| for i := 0; i < b.N; i++ { |
| s.Init(file, src, nil, ScanComments) |
| for { |
| _, tok, _ := s.Scan() |
| if tok == token.EOF { |
| break |
| } |
| } |
| } |
| }) |
| } |
| } |
| |
| func TestNumbers(t *testing.T) { |
| for _, test := range []struct { |
| tok token.Token |
| src, tokens, err string |
| }{ |
| // binaries |
| {token.INT, "0b0", "0b0", ""}, |
| {token.INT, "0b1010", "0b1010", ""}, |
| {token.INT, "0B1110", "0B1110", ""}, |
| |
| {token.INT, "0b", "0b", "binary literal has no digits"}, |
| {token.INT, "0b0190", "0b0190", "invalid digit '9' in binary literal"}, |
| {token.INT, "0b01a0", "0b01 a0", ""}, // only accept 0-9 |
| |
| {token.FLOAT, "0b.", "0b.", "invalid radix point in binary literal"}, |
| {token.FLOAT, "0b.1", "0b.1", "invalid radix point in binary literal"}, |
| {token.FLOAT, "0b1.0", "0b1.0", "invalid radix point in binary literal"}, |
| {token.FLOAT, "0b1e10", "0b1e10", "'e' exponent requires decimal mantissa"}, |
| {token.FLOAT, "0b1P-1", "0b1P-1", "'P' exponent requires hexadecimal mantissa"}, |
| |
| {token.IMAG, "0b10i", "0b10i", ""}, |
| {token.IMAG, "0b10.0i", "0b10.0i", "invalid radix point in binary literal"}, |
| |
| // octals |
| {token.INT, "0o0", "0o0", ""}, |
| {token.INT, "0o1234", "0o1234", ""}, |
| {token.INT, "0O1234", "0O1234", ""}, |
| |
| {token.INT, "0o", "0o", "octal literal has no digits"}, |
| {token.INT, "0o8123", "0o8123", "invalid digit '8' in octal literal"}, |
| {token.INT, "0o1293", "0o1293", "invalid digit '9' in octal literal"}, |
| {token.INT, "0o12a3", "0o12 a3", ""}, // only accept 0-9 |
| |
| {token.FLOAT, "0o.", "0o.", "invalid radix point in octal literal"}, |
| {token.FLOAT, "0o.2", "0o.2", "invalid radix point in octal literal"}, |
| {token.FLOAT, "0o1.2", "0o1.2", "invalid radix point in octal literal"}, |
| {token.FLOAT, "0o1E+2", "0o1E+2", "'E' exponent requires decimal mantissa"}, |
| {token.FLOAT, "0o1p10", "0o1p10", "'p' exponent requires hexadecimal mantissa"}, |
| |
| {token.IMAG, "0o10i", "0o10i", ""}, |
| {token.IMAG, "0o10e0i", "0o10e0i", "'e' exponent requires decimal mantissa"}, |
| |
| // 0-octals |
| {token.INT, "0", "0", ""}, |
| {token.INT, "0123", "0123", ""}, |
| |
| {token.INT, "08123", "08123", "invalid digit '8' in octal literal"}, |
| {token.INT, "01293", "01293", "invalid digit '9' in octal literal"}, |
| {token.INT, "0F.", "0 F .", ""}, // only accept 0-9 |
| {token.INT, "0123F.", "0123 F .", ""}, |
| {token.INT, "0123456x", "0123456 x", ""}, |
| |
| // decimals |
| {token.INT, "1", "1", ""}, |
| {token.INT, "1234", "1234", ""}, |
| |
| {token.INT, "1f", "1 f", ""}, // only accept 0-9 |
| |
| {token.IMAG, "0i", "0i", ""}, |
| {token.IMAG, "0678i", "0678i", ""}, |
| |
| // decimal floats |
| {token.FLOAT, "0.", "0.", ""}, |
| {token.FLOAT, "123.", "123.", ""}, |
| {token.FLOAT, "0123.", "0123.", ""}, |
| |
| {token.FLOAT, ".0", ".0", ""}, |
| {token.FLOAT, ".123", ".123", ""}, |
| {token.FLOAT, ".0123", ".0123", ""}, |
| |
| {token.FLOAT, "0.0", "0.0", ""}, |
| {token.FLOAT, "123.123", "123.123", ""}, |
| {token.FLOAT, "0123.0123", "0123.0123", ""}, |
| |
| {token.FLOAT, "0e0", "0e0", ""}, |
| {token.FLOAT, "123e+0", "123e+0", ""}, |
| {token.FLOAT, "0123E-1", "0123E-1", ""}, |
| |
| {token.FLOAT, "0.e+1", "0.e+1", ""}, |
| {token.FLOAT, "123.E-10", "123.E-10", ""}, |
| {token.FLOAT, "0123.e123", "0123.e123", ""}, |
| |
| {token.FLOAT, ".0e-1", ".0e-1", ""}, |
| {token.FLOAT, ".123E+10", ".123E+10", ""}, |
| {token.FLOAT, ".0123E123", ".0123E123", ""}, |
| |
| {token.FLOAT, "0.0e1", "0.0e1", ""}, |
| {token.FLOAT, "123.123E-10", "123.123E-10", ""}, |
| {token.FLOAT, "0123.0123e+456", "0123.0123e+456", ""}, |
| |
| {token.FLOAT, "0e", "0e", "exponent has no digits"}, |
| {token.FLOAT, "0E+", "0E+", "exponent has no digits"}, |
| {token.FLOAT, "1e+f", "1e+ f", "exponent has no digits"}, |
| {token.FLOAT, "0p0", "0p0", "'p' exponent requires hexadecimal mantissa"}, |
| {token.FLOAT, "1.0P-1", "1.0P-1", "'P' exponent requires hexadecimal mantissa"}, |
| |
| {token.IMAG, "0.i", "0.i", ""}, |
| {token.IMAG, ".123i", ".123i", ""}, |
| {token.IMAG, "123.123i", "123.123i", ""}, |
| {token.IMAG, "123e+0i", "123e+0i", ""}, |
| {token.IMAG, "123.E-10i", "123.E-10i", ""}, |
| {token.IMAG, ".123E+10i", ".123E+10i", ""}, |
| |
| // hexadecimals |
| {token.INT, "0x0", "0x0", ""}, |
| {token.INT, "0x1234", "0x1234", ""}, |
| {token.INT, "0xcafef00d", "0xcafef00d", ""}, |
| {token.INT, "0XCAFEF00D", "0XCAFEF00D", ""}, |
| |
| {token.INT, "0x", "0x", "hexadecimal literal has no digits"}, |
| {token.INT, "0x1g", "0x1 g", ""}, |
| |
| {token.IMAG, "0xf00i", "0xf00i", ""}, |
| |
| // hexadecimal floats |
| {token.FLOAT, "0x0p0", "0x0p0", ""}, |
| {token.FLOAT, "0x12efp-123", "0x12efp-123", ""}, |
| {token.FLOAT, "0xABCD.p+0", "0xABCD.p+0", ""}, |
| {token.FLOAT, "0x.0189P-0", "0x.0189P-0", ""}, |
| {token.FLOAT, "0x1.ffffp+1023", "0x1.ffffp+1023", ""}, |
| |
| {token.FLOAT, "0x.", "0x.", "hexadecimal literal has no digits"}, |
| {token.FLOAT, "0x0.", "0x0.", "hexadecimal mantissa requires a 'p' exponent"}, |
| {token.FLOAT, "0x.0", "0x.0", "hexadecimal mantissa requires a 'p' exponent"}, |
| {token.FLOAT, "0x1.1", "0x1.1", "hexadecimal mantissa requires a 'p' exponent"}, |
| {token.FLOAT, "0x1.1e0", "0x1.1e0", "hexadecimal mantissa requires a 'p' exponent"}, |
| {token.FLOAT, "0x1.2gp1a", "0x1.2 gp1a", "hexadecimal mantissa requires a 'p' exponent"}, |
| {token.FLOAT, "0x0p", "0x0p", "exponent has no digits"}, |
| {token.FLOAT, "0xeP-", "0xeP-", "exponent has no digits"}, |
| {token.FLOAT, "0x1234PAB", "0x1234P AB", "exponent has no digits"}, |
| {token.FLOAT, "0x1.2p1a", "0x1.2p1 a", ""}, |
| |
| {token.IMAG, "0xf00.bap+12i", "0xf00.bap+12i", ""}, |
| |
| // separators |
| {token.INT, "0b_1000_0001", "0b_1000_0001", ""}, |
| {token.INT, "0o_600", "0o_600", ""}, |
| {token.INT, "0_466", "0_466", ""}, |
| {token.INT, "1_000", "1_000", ""}, |
| {token.FLOAT, "1_000.000_1", "1_000.000_1", ""}, |
| {token.IMAG, "10e+1_2_3i", "10e+1_2_3i", ""}, |
| {token.INT, "0x_f00d", "0x_f00d", ""}, |
| {token.FLOAT, "0x_f00d.0p1_2", "0x_f00d.0p1_2", ""}, |
| |
| {token.INT, "0b__1000", "0b__1000", "'_' must separate successive digits"}, |
| {token.INT, "0o60___0", "0o60___0", "'_' must separate successive digits"}, |
| {token.INT, "0466_", "0466_", "'_' must separate successive digits"}, |
| {token.FLOAT, "1_.", "1_.", "'_' must separate successive digits"}, |
| {token.FLOAT, "0._1", "0._1", "'_' must separate successive digits"}, |
| {token.FLOAT, "2.7_e0", "2.7_e0", "'_' must separate successive digits"}, |
| {token.IMAG, "10e+12_i", "10e+12_i", "'_' must separate successive digits"}, |
| {token.INT, "0x___0", "0x___0", "'_' must separate successive digits"}, |
| {token.FLOAT, "0x1.0_p0", "0x1.0_p0", "'_' must separate successive digits"}, |
| } { |
| var s Scanner |
| var err string |
| s.Init(fset.AddFile("", fset.Base(), len(test.src)), []byte(test.src), func(_ token.Position, msg string) { |
| if err == "" { |
| err = msg |
| } |
| }, 0) |
| for i, want := range strings.Split(test.tokens, " ") { |
| err = "" |
| _, tok, lit := s.Scan() |
| |
| // compute lit where for tokens where lit is not defined |
| switch tok { |
| case token.PERIOD: |
| lit = "." |
| case token.ADD: |
| lit = "+" |
| case token.SUB: |
| lit = "-" |
| } |
| |
| if i == 0 { |
| if tok != test.tok { |
| t.Errorf("%q: got token %s; want %s", test.src, tok, test.tok) |
| } |
| if err != test.err { |
| t.Errorf("%q: got error %q; want %q", test.src, err, test.err) |
| } |
| } |
| |
| if lit != want { |
| t.Errorf("%q: got literal %q (%s); want %s", test.src, lit, tok, want) |
| } |
| } |
| |
| // make sure we read all |
| _, tok, _ := s.Scan() |
| if tok == token.SEMICOLON { |
| _, tok, _ = s.Scan() |
| } |
| if tok != token.EOF { |
| t.Errorf("%q: got %s; want EOF", test.src, tok) |
| } |
| } |
| } |