path: root/tests/parse.test

# This file contains a collection of tests for the procedures in the
# file tclParse.c.  Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 1997 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: parse.test,v 1.11.2.3 2006/02/28 15:44:36 dgp Exp $

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest 2
    namespace import -force ::tcltest::*
}

if {[info commands testparser] == {}} {
    puts "This application hasn't been compiled with the \"testparser\""
    puts "command, so I can't test the Tcl parser."
    ::tcltest::cleanupTests
    return 
}

test parse-1.1 {Tcl_ParseCommand procedure, computing string length} {
    testparser [bytestring "foo\0 bar"] -1
} {- foo 1 simple foo 1 text foo 0 {}}
test parse-1.2 {Tcl_ParseCommand procedure, computing string length} {
    testparser "foo bar" -1
} {- {foo bar} 2 simple foo 1 text foo 0 simple bar 1 text bar 0 {}}
test parse-1.3 {Tcl_ParseCommand procedure, leading space} {
    testparser "  \n\t   foo" 0
} {- foo 1 simple foo 1 text foo 0 {}}
test parse-1.4 {Tcl_ParseCommand procedure, leading space} {
    testparser "\f\r\vfoo" 0
} {- foo 1 simple foo 1 text foo 0 {}}
test parse-1.5 {Tcl_ParseCommand procedure, backslash-newline in leading space} {
    testparser "  \\\n foo" 0
} {- foo 1 simple foo 1 text foo 0 {}}
test parse-1.6 {Tcl_ParseCommand procedure, backslash-newline in leading space} {
    testparser {  \a foo} 0
} {- {\a foo} 2 word {\a} 1 backslash {\a} 0 simple foo 1 text foo 0 {}}
test parse-1.7 {Tcl_ParseCommand procedure, missing continuation line in leading space} {
    testparser "   \\\n" 0
} {- {} 0 {}}
test parse-1.8 {Tcl_ParseCommand procedure, eof in leading space} {
    testparser "      foo" 3
} {- {} 0 {   foo}}

test parse-2.1 {Tcl_ParseCommand procedure, comments} {
    testparser "# foo bar\n foo" 0
} {{# foo bar
} foo 1 simple foo 1 text foo 0 {}}
test parse-2.2 {Tcl_ParseCommand procedure, several comments} {
    testparser " # foo bar\n # another comment\n\n   foo" 0
} {{# foo bar
 # another comment
} foo 1 simple foo 1 text foo 0 {}}
test parse-2.3 {Tcl_ParseCommand procedure, backslash-newline in comments} {
    testparser " # foo bar\\\ncomment on continuation line\nfoo" 0
} {#\ foo\ bar\\\ncomment\ on\ continuation\ line\n foo 1 simple foo 1 text foo 0 {}}
test parse-2.4 {Tcl_ParseCommand procedure, missing continuation line in comment} {
    testparser "#   \\\n" 0
} {#\ \ \ \\\n {} 0 {}}
test parse-2.5 {Tcl_ParseCommand procedure, eof in comment} {
    testparser " # foo bar\nfoo" 8
} {{# foo b} {} 0 {ar
foo}}

test parse-3.1 {Tcl_ParseCommand procedure, parsing words, skipping space} {
    testparser "foo  bar\t\tx" 0
} {- {foo  bar		x} 3 simple foo 1 text foo 0 simple bar 1 text bar 0 simple x 1 text x 0 {}}
test parse-3.2 {Tcl_ParseCommand procedure, missing continuation line in leading space} {
    testparser "abc  \\\n" 0
} {- abc\ \ \\\n 1 simple abc 1 text abc 0 {}}
test parse-3.3 {Tcl_ParseCommand procedure, parsing words, command ends in space} {
    testparser "foo  ;  bar x" 0
} {- {foo  ;} 1 simple foo 1 text foo 0 {  bar x}}
test parse-3.4 {Tcl_ParseCommand procedure, parsing words, command ends in space} {
    testparser "foo       " 5
} {- {foo  } 1 simple foo 1 text foo 0 {     }}
test parse-3.5 {Tcl_ParseCommand procedure, quoted words} {
    testparser {foo "a b c" d "efg";} 0
} {- {foo "a b c" d "efg";} 4 simple foo 1 text foo 0 simple {"a b c"} 1 text {a b c} 0 simple d 1 text d 0 simple {"efg"} 1 text efg 0 {}}
test parse-3.6 {Tcl_ParseCommand procedure, words in braces} {
    testparser {foo {a $b [concat foo]} {c d}} 0
} {- {foo {a $b [concat foo]} {c d}} 3 simple foo 1 text foo 0 simple {{a $b [concat foo]}} 1 text {a $b [concat foo]} 0 simple {{c d}} 1 text {c d} 0 {}}
test parse-3.7 {Tcl_ParseCommand procedure, error in unquoted word} {
    list [catch {testparser "foo \$\{abc" 0} msg] $msg $errorInfo
} {1 {missing close-brace for variable name} missing\ close-brace\ for\ variable\ name\n\ \ \ \ (remainder\ of\ script:\ \"\{abc\")\n\ \ \ \ invoked\ from\ within\n\"testparser\ \"foo\ \\\$\\\{abc\"\ 0\"}

test parse-4.1 {Tcl_ParseCommand procedure, simple words} {
    testparser {foo} 0
} {- foo 1 simple foo 1 text foo 0 {}}
test parse-4.2 {Tcl_ParseCommand procedure, simple words} {
    testparser {{abc}} 0
} {- {{abc}} 1 simple {{abc}} 1 text abc 0 {}}
test parse-4.3 {Tcl_ParseCommand procedure, simple words} {
    testparser {"c d"} 0
} {- {"c d"} 1 simple {"c d"} 1 text {c d} 0 {}}
test parse-4.4 {Tcl_ParseCommand procedure, simple words} {
    testparser {x$d} 0
} {- {x$d} 1 word {x$d} 3 text x 0 variable {$d} 1 text d 0 {}}
test parse-4.5 {Tcl_ParseCommand procedure, simple words} {
    testparser {"a [foo] b"} 0
} {- {"a [foo] b"} 1 word {"a [foo] b"} 3 text {a } 0 command {[foo]} 0 text { b} 0 {}}
test parse-4.6 {Tcl_ParseCommand procedure, simple words} {
    testparser {$x} 0
} {- {$x} 1 word {$x} 2 variable {$x} 1 text x 0 {}}

test parse-5.1 {Tcl_ParseCommand procedure, backslash-newline terminates word} {
    testparser "{abc}\\\n" 0
} {- \{abc\}\\\n 1 simple {{abc}} 1 text abc 0 {}}
test parse-5.2 {Tcl_ParseCommand procedure, backslash-newline terminates word} {
    testparser "foo\\\nbar" 0
} {- foo\\\nbar 2 simple foo 1 text foo 0 simple bar 1 text bar 0 {}}
test parse-5.3 {Tcl_ParseCommand procedure, word terminator is command terminator} {
    testparser "foo\n bar" 0
} {- {foo
} 1 simple foo 1 text foo 0 { bar}}
test parse-5.4 {Tcl_ParseCommand procedure, word terminator is command terminator} {
    testparser "foo; bar" 0
} {- {foo;} 1 simple foo 1 text foo 0 { bar}}
test parse-5.5 {Tcl_ParseCommand procedure, word terminator is end of string} {
    testparser "\"foo\" bar" 5
} {- {"foo"} 1 simple {"foo"} 1 text foo 0 { bar}}
test parse-5.6 {Tcl_ParseCommand procedure, junk after close quote} {
    list [catch {testparser {foo "bar"x} 0} msg] $msg $errorInfo
} {1 {extra characters after close-quote} {extra characters after close-quote
    (remainder of script: "x")
    invoked from within
"testparser {foo "bar"x} 0"}}
test parse-5.7 {Tcl_ParseCommand procedure, backslash-newline after close quote} {
    testparser "foo \"bar\"\\\nx" 0
} {- foo\ \"bar\"\\\nx 3 simple foo 1 text foo 0 simple {"bar"} 1 text bar 0 simple x 1 text x 0 {}}
test parse-5.8 {Tcl_ParseCommand procedure, junk after close brace} {
    list [catch {testparser {foo {bar}x} 0} msg] $msg $errorInfo
} {1 {extra characters after close-brace} {extra characters after close-brace
    (remainder of script: "x")
    invoked from within
"testparser {foo {bar}x} 0"}}
test parse-5.9 {Tcl_ParseCommand procedure, backslash-newline after close brace} {
    testparser "foo {bar}\\\nx" 0
} {- foo\ \{bar\}\\\nx 3 simple foo 1 text foo 0 simple {{bar}} 1 text bar 0 simple x 1 text x 0 {}}
test parse-5.10 {Tcl_ParseCommand procedure, multiple deletion of non-static buffer} {
    # This test is designed to catch bug 1681.
    list [catch {testparser "a \"\\1\\2\\3\\4\\5\\6\\7\\8\\9\\1\\2\\3\\4\\5\\6\\7\\8" 0} msg] $msg $errorInfo
} "1 {missing \"} {missing \"
    (remainder of script: \"\"\\1\\2\\3\\4\\5\\6\\7\\8\\9\\1\\2\\3\\4\\5\\6\\7\\8\")
    invoked from within
\"testparser \"a \\\"\\\\1\\\\2\\\\3\\\\4\\\\5\\\\6\\\\7\\\\8\\\\9\\\\1\\\\2\\\\3\\\\4\\\\5\\\\6\\\\7\\\\8\" 0\"}"

test parse-6.1 {ParseTokens procedure, empty word} {
    testparser {""} 0
} {- {""} 1 simple {""} 1 text {} 0 {}}
test parse-6.2 {ParseTokens procedure, simple range} {
    testparser {"abc$x.e"} 0
} {- {"abc$x.e"} 1 word {"abc$x.e"} 4 text abc 0 variable {$x} 1 text x 0 text .e 0 {}}
test parse-6.3 {ParseTokens procedure, variable reference} {
    testparser {abc$x.e $y(z)} 0
} {- {abc$x.e $y(z)} 2 word {abc$x.e} 4 text abc 0 variable {$x} 1 text x 0 text .e 0 word {$y(z)} 3 variable {$y(z)} 2 text y 0 text z 0 {}}
test parse-6.4 {ParseTokens procedure, variable reference} {
    list [catch {testparser {$x([a )} 0} msg] $msg
} {1 {missing close-bracket}}
test parse-6.5 {ParseTokens procedure, command substitution} {
    testparser {[foo $x bar]z} 0
} {- {[foo $x bar]z} 1 word {[foo $x bar]z} 2 command {[foo $x bar]} 0 text z 0 {}}
test parse-6.6 {ParseTokens procedure, command substitution} {
    testparser {[foo \] [a b]]} 0
} {- {[foo \] [a b]]} 1 word {[foo \] [a b]]} 1 command {[foo \] [a b]]} 0 {}}
test parse-6.7 {ParseTokens procedure, error in command substitution} {
    list [catch {testparser {a [b {}c d] e} 0} msg] $msg $errorInfo
} {1 {extra characters after close-brace} {extra characters after close-brace
    (remainder of script: "c d] e")
    invoked from within
"testparser {a [b {}c d] e} 0"}}
test parse-6.8 {ParseTokens procedure, error in command substitution} {
    info complete {a [b {}c d]}
} {1}
test parse-6.9 {ParseTokens procedure, error in command substitution} {
    info complete {a [b "c d}
} {0}
test parse-6.10 {ParseTokens procedure, incomplete sub-command} {
    info complete {puts [
	expr 1+1
	#this is a comment ]}
} {0}
test parse-6.11 {ParseTokens procedure, memory allocation for big nested command} {
    testparser {[$a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b)]} 0
} {- {[$a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b)]} 1 word {[$a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b)]} 1 command {[$a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b)]} 0 {}}
test parse-6.12 {ParseTokens procedure, missing close bracket} {
    list [catch {testparser {[foo $x bar} 0} msg] $msg $errorInfo
} {1 {missing close-bracket} {missing close-bracket
    (remainder of script: "[foo $x bar")
    invoked from within
"testparser {[foo $x bar} 0"}}
test parse-6.13 {ParseTokens procedure, backslash-newline without continuation line} {
    list [catch {testparser "\"a b\\\n" 0} msg] $msg $errorInfo
} {1 {missing "} missing\ \"\n\ \ \ \ (remainder\ of\ script:\ \"\"a\ b\\\n\")\n\ \ \ \ invoked\ from\ within\n\"testparser\ \"\\\"a\ b\\\\\\n\"\ 0\"}
test parse-6.14 {ParseTokens procedure, backslash-newline} {
    testparser "b\\\nc" 0
} {- b\\\nc 2 simple b 1 text b 0 simple c 1 text c 0 {}}
test parse-6.15 {ParseTokens procedure, backslash-newline} {
    testparser "\"b\\\nc\"" 0
} {- \"b\\\nc\" 1 word \"b\\\nc\" 3 text b 0 backslash \\\n 0 text c 0 {}}
test parse-6.16 {ParseTokens procedure, backslash substitution} {
    testparser {\n\a\x7f} 0
} {- {\n\a\x7f} 1 word {\n\a\x7f} 3 backslash {\n} 0 backslash {\a} 0 backslash {\x7f} 0 {}}
test parse-6.17 {ParseTokens procedure, null characters} {
    testparser [bytestring "foo\0zz"] 0
} "- [bytestring foo\0zz] 1 word [bytestring foo\0zz] 3 text foo 0 text [bytestring \0] 0 text zz 0 {}"
test parse-6.18 {ParseTokens procedure, seek past numBytes for close-bracket} {
    # Test for Bug 681841
    list [catch {testparser {[a]} 2} msg] $msg
} {1 {missing close-bracket}}

test parse-7.1 {Tcl_FreeParse and ExpandTokenArray procedures} {
    testparser {$a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) } 0
} {- {$a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) $a(b) } 16 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 word {$a(b)} 3 variable {$a(b)} 2 text a 0 text b 0 {}}

testConstraint testevalobjv [llength [info commands testevalobjv]]
test parse-8.1 {Tcl_EvalObjv procedure} testevalobjv {
    testevalobjv 0 concat this is a test
} {this is a test}
test parse-8.2 {Tcl_EvalObjv procedure, unknown commands} testevalobjv {
    rename unknown unknown.old
    set x [catch {testevalobjv 10 asdf poiu} msg]
    rename unknown.old unknown
    list $x $msg
} {1 {invalid command name "asdf"}}
test parse-8.3 {Tcl_EvalObjv procedure, unknown commands} testevalobjv {
    rename unknown unknown.old
    proc unknown args {
	return "unknown $args"
    }
    set x [catch {testevalobjv 0 asdf poiu} msg]
    rename unknown {}
    rename unknown.old unknown
    list $x $msg
} {0 {unknown asdf poiu}}
test parse-8.4 {Tcl_EvalObjv procedure, unknown commands} testevalobjv {
    rename unknown unknown.old
    proc unknown args {
	error "I don't like that command"
    }
    set x [catch {testevalobjv 0 asdf poiu} msg]
    rename unknown {}
    rename unknown.old unknown
    list $x $msg
} {1 {I don't like that command}}
test parse-8.5 {Tcl_EvalObjv procedure, command traces} testevalobjv {
    testevalobjv 0 set x 123
    testcmdtrace tracetest {testevalobjv 0 set x $x}
} {{testevalobjv 0 set x $x} {testevalobjv 0 set x 123} {set x 123} {set x 123}}
test parse-8.7 {Tcl_EvalObjv procedure, TCL_EVAL_GLOBAL flag} testevalobjv {
    proc x {} {
	set y 23
	set z [testevalobjv 1 set y]
	return [list $z $y]
    }
    catch {unset y}
    set y 16
    x
} {16 23}
test parse-8.8 {Tcl_EvalObjv procedure, async handlers} testevalobjv {
    proc async1 {result code} {
	global aresult acode
	set aresult $result
	set acode $code
	return "new result"
    }
    set handler1 [testasync create async1]
    set aresult xxx
    set acode yyy
    set x [list [catch [list testevalobjv 0 testasync mark $handler1 original 0] msg] $msg $acode $aresult]
    testasync delete
    set x
} {0 {new result} 0 original}
test parse-8.9 {Tcl_EvalObjv procedure, exceptional return} testevalobjv {
    list [catch {testevalobjv 0 error message} msg] $msg
} {1 message}
test parse-8.10 {Tcl_EvalObjv procedure, TCL_EVAL_GLOBAL} testevalobjv {
    rename ::unknown unknown.save
    proc ::unknown args {lappend ::info [info level]}
    catch {rename ::noSuchCommand {}}
    set ::info {}
    namespace eval test_ns_1 {
	testevalobjv 1 noSuchCommand
	uplevel #0 noSuchCommand
    }
    namespace delete test_ns_1
    rename ::unknown {}
    rename unknown.save ::unknown
    set ::info
} {1 1}
test parse-8.11 {Tcl_EvalObjv procedure, TCL_EVAL_INVOKE} testevalobjv {
    rename ::unknown unknown.save
    proc ::unknown args {lappend ::info [info level]; uplevel 1 foo}
    proc ::foo args {lappend ::info global}
    catch {rename ::noSuchCommand {}}
    set ::slave [interp create]
    $::slave alias bar noSuchCommand
    set ::info {}
    namespace eval test_ns_1 {
	proc foo args {lappend ::info namespace}
	$::slave eval bar
	testevalobjv 1 [list $::slave eval bar]
	uplevel #0 [list $::slave eval bar]
    }
    namespace delete test_ns_1
    rename ::foo {}
    rename ::unknown {}
    rename unknown.save ::unknown
    set ::info
} [subst {[set level 2; incr level [info level]] namespace 1 global 1 global}]

test parse-9.1 {Tcl_LogCommandInfo, line numbers} {
    catch {unset x}
    list [catch {testevalex {for {} 1 {} {


	# asdf
	set x
    }}}] $errorInfo
} {1 {can't read "x": no such variable
    while executing
"set x"
    ("for" body line 5)
    invoked from within
"for {} 1 {} {


	# asdf
	set x
    }"
    invoked from within
"testevalex {for {} 1 {} {


	# asdf
	set x
    }}"}}
test parse-9.2 {Tcl_LogCommandInfo, truncating long commands} {
    list [testevalex {catch {set a b 111111111 222222222 333333333 444444444 555555555 666666666 777777777 888888888 999999999 000000000 aaaaaaaaa bbbbbbbbb ccccccccc ddddddddd eeeeeeeee fffffffff ggggggggg}}] $errorInfo
} {1 {wrong # args: should be "set varName ?newValue?"
    while executing
"set a b 111111111 222222222 333333333 444444444 555555555 666666666 777777777 888888888 999999999 000000000 aaaaaaaaa bbbbbbbbb ccccccccc ddddddddd ee..."}}

test parse-10.1 {Tcl_EvalTokens, simple text} {
    testevalex {concat test}
} {test}
test parse-10.2 {Tcl_EvalTokens, backslash sequences} {
    testevalex {concat test\063\062test}
} {test32test}
test parse-10.3 {Tcl_EvalTokens, nested commands} {
    testevalex {concat [expr 2 + 6]}
} {8}
test parse-10.4 {Tcl_EvalTokens, nested commands} {
    catch {unset a}
    list [catch {testevalex {concat xxx[expr $a]}} msg] $msg
} {1 {can't read "a": no such variable}}
test parse-10.5 {Tcl_EvalTokens, simple variables} {
    set a hello
    testevalex {concat $a}
} {hello}
test parse-10.6 {Tcl_EvalTokens, array variables} {
    catch {unset a}
    set a(12) 46
    testevalex {concat $a(12)}
} {46}
test parse-10.7 {Tcl_EvalTokens, array variables} {
    catch {unset a}
    set a(12) 46
    testevalex {concat $a(1[expr 3 - 1])}
} {46}
test parse-10.8 {Tcl_EvalTokens, array variables} {
    catch {unset a}
    list [catch {testevalex {concat $x($a)}} msg] $msg
} {1 {can't read "a": no such variable}}
test parse-10.9 {Tcl_EvalTokens, array variables} {
    catch {unset a}
    list [catch {testevalex {concat xyz$a(1)}} msg] $msg
} {1 {can't read "a(1)": no such variable}}
test parse-10.10 {Tcl_EvalTokens, object values} {
    set a 123
    testevalex {concat $a}
} {123}
test parse-10.11 {Tcl_EvalTokens, object values} {
    set a 123
    testevalex {concat $a$a$a}
} {123123123}
test parse-10.12 {Tcl_EvalTokens, object values} {
    testevalex {concat [expr 2][expr 4][expr 6]}
} {246}
test parse-10.13 {Tcl_EvalTokens, string values} {
    testevalex {concat {a" b"}}
} {a" b"}
test parse-10.14 {Tcl_EvalTokens, string values} {
    set a 111
    testevalex {concat x$a.$a.$a}
} {x111.111.111}

test parse-11.1 {Tcl_EvalEx, TCL_EVAL_GLOBAL flag} {
    proc x {} {
	set y 777
	set z [testevalex "set y" global]
	return [list $z $y]
    }
    catch {unset y}
    set y 321
    x
} {321 777}
test parse-11.2 {Tcl_EvalEx, error while parsing} {
    list [catch {testevalex {concat "abc}} msg] $msg
} {1 {missing "}}
test parse-11.3 {Tcl_EvalEx, error while collecting words} {
    catch {unset a}
    list [catch {testevalex {concat xyz $a}} msg] $msg
} {1 {can't read "a": no such variable}}
test parse-11.4 {Tcl_EvalEx, error in Tcl_EvalObjv call} {
    catch {unset a}
    list [catch {testevalex {_bogus_ a b c d}} msg] $msg
} {1 {invalid command name "_bogus_"}}
test parse-11.5 {Tcl_EvalEx, exceptional return} {
    list [catch {testevalex {break}} msg] $msg
} {3 {}}
test parse-11.6 {Tcl_EvalEx, freeing memory} {
    testevalex {concat a b c d e f g h i j k l m n o p q r s t u v w x y z}
} {a b c d e f g h i j k l m n o p q r s t u v w x y z}
test parse-11.7 {Tcl_EvalEx, multiple commands in script} {
    list [testevalex {set a b; set c d}] $a $c
} {d b d}
test parse-11.8 {Tcl_EvalEx, multiple commands in script} {
    list [testevalex {
	set a b
	set c d
    }] $a $c
} {d b d}
test parse-11.9 {Tcl_EvalEx, freeing memory after error} {
    catch {unset a}
    list [catch {testevalex {concat a b c d e f g h i j k l m n o p q r s t u v w x y z $a}} msg] $msg
} {1 {can't read "a": no such variable}}
test parse-11.10 {Tcl_EvalTokens, empty commands} {
    testevalex {concat xyz;   }
} {xyz}
test parse-11.11 {Tcl_EvalTokens, empty commands} {
    testevalex "concat abc; ; # this is a comment\n"
} {abc}
test parse-11.12 {Tcl_EvalTokens, empty commands} {
    testevalex {}
} {}

test parse-12.1 {Tcl_ParseVarName procedure, initialization} {
    list [catch {testparsevarname {$a([first second])} 8 0} msg] $msg
} {1 {missing close-bracket}}
test parse-12.2 {Tcl_ParseVarName procedure, initialization} {
    testparsevarname {$a([first second])} 0 0
} {- {} 0 variable {$a([first second])} 2 text a 0 command {[first second]} 0 {}}
test parse-12.3 {Tcl_ParseVarName procedure, initialization} {
    list [catch {testparsevarname {$abcd} 3 0} msg] $msg
} {0 {- {} 0 variable {$ab} 1 text ab 0 cd}}
test parse-12.4 {Tcl_ParseVarName procedure, initialization} {
    testparsevarname {$abcd} 0 0
} {- {} 0 variable {$abcd} 1 text abcd 0 {}}
test parse-12.5 {Tcl_ParseVarName procedure, just a dollar sign} {
    testparsevarname {$abcd} 1 0
} {- {} 0 text {$} 0 abcd}
test parse-12.6 {Tcl_ParseVarName procedure, braced variable name} {
    testparser {${..[]b}cd} 0
} {- {${..[]b}cd} 1 word {${..[]b}cd} 3 variable {${..[]b}} 1 text {..[]b} 0 text cd 0 {}}
test parse-12.7 {Tcl_ParseVarName procedure, braced variable name} {
    testparser "\$\{\{\} " 0
} {- \$\{\{\}\  1 word \$\{\{\} 2 variable \$\{\{\} 1 text \{ 0 {}}
test parse-12.8 {Tcl_ParseVarName procedure, missing close brace} {
    list [catch {testparser "$\{abc" 0} msg] $msg $errorInfo
} {1 {missing close-brace for variable name} missing\ close-brace\ for\ variable\ name\n\ \ \ \ (remainder\ of\ script:\ \"\{abc\")\n\ \ \ \ invoked\ from\ within\n\"testparser\ \"\$\\\{abc\"\ 0\"}
test parse-12.9 {Tcl_ParseVarName procedure, missing close brace} {
    list [catch {testparsevarname {${bcd}} 4 0} msg] $msg
} {1 {missing close-brace for variable name}}
test parse-12.10 {Tcl_ParseVarName procedure, missing close brace} {
    list [catch {testparsevarname {${bc}} 4 0} msg] $msg
} {1 {missing close-brace for variable name}}
test parse-12.11 {Tcl_ParseVarName procedure, simple variable name} {
    testparser {$az_AZ.} 0
} {- {$az_AZ.} 1 word {$az_AZ.} 3 variable {$az_AZ} 1 text az_AZ 0 text . 0 {}}
test parse-12.12 {Tcl_ParseVarName procedure, simple variable name} {
    testparser {$abcdefg} 4
} {- {$abc} 1 word {$abc} 2 variable {$abc} 1 text abc 0 defg}
test parse-12.13 {Tcl_ParseVarName procedure, simple variable name with ::} {
    testparser {$xyz::ab:c} 0
} {- {$xyz::ab:c} 1 word {$xyz::ab:c} 3 variable {$xyz::ab} 1 text xyz::ab 0 text :c 0 {}}
test parse-12.14 {Tcl_ParseVarName procedure, variable names with many colons} {
    testparser {$xyz:::::c} 0
} {- {$xyz:::::c} 1 word {$xyz:::::c} 2 variable {$xyz:::::c} 1 text xyz:::::c 0 {}}
test parse-12.15 {Tcl_ParseVarName procedure, : vs. ::} {
    testparsevarname {$ab:cd} 0 0
} {- {} 0 variable {$ab} 1 text ab 0 :cd}
test parse-12.16 {Tcl_ParseVarName procedure, eof in ::} {
    testparsevarname {$ab::cd} 4 0
} {- {} 0 variable {$ab} 1 text ab 0 ::cd}
test parse-12.17 {Tcl_ParseVarName procedure, eof in ::} {
    testparsevarname {$ab:::cd} 5 0
} {- {} 0 variable {$ab::} 1 text ab:: 0 :cd}
test parse-12.18 {Tcl_ParseVarName procedure, no variable name} {
    testparser {$$ $.} 0
} {- {$$ $.} 2 word {$$} 2 text {$} 0 text {$} 0 word {$.} 2 text {$} 0 text . 0 {}}
test parse-12.19 {Tcl_ParseVarName procedure, EOF before (} {
    testparsevarname {$ab(cd)} 3 0
} {- {} 0 variable {$ab} 1 text ab 0 (cd)}
test parse-12.20 {Tcl_ParseVarName procedure, array reference} {
    testparser {$x(abc)} 0
} {- {$x(abc)} 1 word {$x(abc)} 3 variable {$x(abc)} 2 text x 0 text abc 0 {}}
test parse-12.21 {Tcl_ParseVarName procedure, array reference} {
    testparser {$x(ab$cde[foo bar])} 0
} {- {$x(ab$cde[foo bar])} 1 word {$x(ab$cde[foo bar])} 6 variable {$x(ab$cde[foo bar])} 5 text x 0 text ab 0 variable {$cde} 1 text cde 0 command {[foo bar]} 0 {}}
test parse-12.22 {Tcl_ParseVarName procedure, array reference} {
    testparser {$x([cmd arg]zz)} 0
} {- {$x([cmd arg]zz)} 1 word {$x([cmd arg]zz)} 4 variable {$x([cmd arg]zz)} 3 text x 0 command {[cmd arg]} 0 text zz 0 {}}
test parse-12.23 {Tcl_ParseVarName procedure, missing close paren in array reference} {
    list [catch {testparser {$x(poiu} 0} msg] $msg $errorInfo
} {1 {missing )} {missing )
    (remainder of script: "(poiu")
    invoked from within
"testparser {$x(poiu} 0"}}
test parse-12.24 {Tcl_ParseVarName procedure, missing close paren in array reference} {
    list [catch {testparsevarname {$ab(cd)} 6 0} msg] $msg $errorInfo
} {1 {missing )} {missing )
    (remainder of script: "(cd)")
    invoked from within
"testparsevarname {$ab(cd)} 6 0"}}
test parse-12.25 {Tcl_ParseVarName procedure, nested array reference} {
    testparser {$x(a$y(b$z))} 0
} {- {$x(a$y(b$z))} 1 word {$x(a$y(b$z))} 8 variable {$x(a$y(b$z))} 7 text x 0 text a 0 variable {$y(b$z)} 4 text y 0 text b 0 variable {$z} 1 text z 0 {}}

test parse-13.1 {Tcl_ParseVar procedure} {
    set abc 24
    testparsevar {$abc.fg}
} {24 .fg}
test parse-13.2 {Tcl_ParseVar procedure, no variable name} {
    testparsevar {$}
} {{$} {}}
test parse-13.3 {Tcl_ParseVar procedure, no variable name} {
    testparsevar {$.123}
} {{$} .123}
test parse-13.4 {Tcl_ParseVar procedure, error looking up variable} {
    catch {unset abc}
    list [catch {testparsevar {$abc}} msg] $msg
} {1 {can't read "abc": no such variable}}
test parse-13.5 {Tcl_ParseVar procedure, error looking up variable} {
    catch {unset abc}
    list [catch {testparsevar {$abc([bogus x y z])}} msg] $msg
} {1 {invalid command name "bogus"}}

test parse-14.1 {Tcl_ParseBraces procedure, computing string length} {
    testparser [bytestring "foo\0 bar"] -1
} {- foo 1 simple foo 1 text foo 0 {}}
test parse-14.2 {Tcl_ParseBraces procedure, computing string length} {
    testparser "foo bar" -1
} {- {foo bar} 2 simple foo 1 text foo 0 simple bar 1 text bar 0 {}}
test parse-14.3 {Tcl_ParseBraces procedure, words in braces} {
    testparser {foo {a $b [concat foo]} {c d}} 0
} {- {foo {a $b [concat foo]} {c d}} 3 simple foo 1 text foo 0 simple {{a $b [concat foo]}} 1 text {a $b [concat foo]} 0 simple {{c d}} 1 text {c d} 0 {}}
test parse-14.4 {Tcl_ParseBraces procedure, empty nested braces} {
    testparser {foo {{}}} 0
} {- {foo {{}}} 2 simple foo 1 text foo 0 simple {{{}}} 1 text {{}} 0 {}}
test parse-14.5 {Tcl_ParseBraces procedure, nested braces} {
    testparser {foo {{a {b} c} {} {d e}}} 0
} {- {foo {{a {b} c} {} {d e}}} 2 simple foo 1 text foo 0 simple {{{a {b} c} {} {d e}}} 1 text {{a {b} c} {} {d e}} 0 {}}
test parse-14.6 {Tcl_ParseBraces procedure, backslashes in words in braces} {
    testparser "foo {a \\n\\\{}" 0
} {- {foo {a \n\{}} 2 simple foo 1 text foo 0 simple {{a \n\{}} 1 text {a \n\{} 0 {}}
test parse-14.7 {Tcl_ParseBraces procedure, missing continuation line in braces} {
    list [catch {testparser "\{abc\\\n" 0} msg] $msg $errorInfo
} {1 {missing close-brace} missing\ close-brace\n\ \ \ \ (remainder\ of\ script:\ \"\{abc\\\n\")\n\ \ \ \ invoked\ from\ within\n\"testparser\ \"\\\{abc\\\\\\n\"\ 0\"}
test parse-14.8 {Tcl_ParseBraces procedure, backslash-newline in braces} {
    testparser "foo {\\\nx}" 0
} {- foo\ \{\\\nx\} 2 simple foo 1 text foo 0 word \{\\\nx\} 2 backslash \\\n 0 text x 0 {}}
test parse-14.9 {Tcl_ParseBraces procedure, backslash-newline in braces} {
    testparser "foo {a \\\n   b}" 0
} {- foo\ \{a\ \\\n\ \ \ b\} 2 simple foo 1 text foo 0 word \{a\ \\\n\ \ \ b\} 3 text {a } 0 backslash \\\n\ \ \  0 text b 0 {}}
test parse-14.10 {Tcl_ParseBraces procedure, backslash-newline in braces} {
    testparser "foo {xyz\\\n }" 0
} {- foo\ \{xyz\\\n\ \} 2 simple foo 1 text foo 0 word \{xyz\\\n\ \} 2 text xyz 0 backslash \\\n\  0 {}}
test parse-14.11 {Tcl_ParseBraces procedure, empty braced string} {
    testparser {foo {}} 0
} {- {foo {}} 2 simple foo 1 text foo 0 simple {{}} 1 text {} 0 {}}
test parse-14.12 {Tcl_ParseBraces procedure, missing close brace} {
    list [catch {testparser "foo \{xy\\\nz" 0} msg] $msg $errorInfo
} {1 {missing close-brace} missing\ close-brace\n\ \ \ \ (remainder\ of\ script:\ \"\{xy\\\nz\")\n\ \ \ \ invoked\ from\ within\n\"testparser\ \"foo\ \\\{xy\\\\\\nz\"\ 0\"}

test parse-15.1 {Tcl_ParseQuotedString procedure, computing string length} {
    testparser [bytestring "foo\0 bar"] -1
} {- foo 1 simple foo 1 text foo 0 {}}
test parse-15.2 {Tcl_ParseQuotedString procedure, computing string length} {
    testparser "foo bar" -1
} {- {foo bar} 2 simple foo 1 text foo 0 simple bar 1 text bar 0 {}}
test parse-15.3 {Tcl_ParseQuotedString procedure, word is quoted string} {
    testparser {foo "a b c" d "efg";} 0
} {- {foo "a b c" d "efg";} 4 simple foo 1 text foo 0 simple {"a b c"} 1 text {a b c} 0 simple d 1 text d 0 simple {"efg"} 1 text efg 0 {}}
test parse-15.4 {Tcl_ParseQuotedString procedure, garbage after quoted string} {
    list [catch {testparser {foo "a b c"d} 0} msg] $msg $errorInfo
} {1 {extra characters after close-quote} {extra characters after close-quote
    (remainder of script: "d")
    invoked from within
"testparser {foo "a b c"d} 0"}}

test parse-15.5 {CommandComplete procedure} {
    info complete ""
} 1
test parse-15.6 {CommandComplete procedure} {
    info complete "  \n"
} 1
test parse-15.7 {CommandComplete procedure} {
    info complete "abc def"
} 1
test parse-15.8 {CommandComplete procedure} {
    info complete "a b c d e f \t\n"
} 1
test parse-15.9 {CommandComplete procedure} {
    info complete {a b c"d}
} 1
test parse-15.10 {CommandComplete procedure} {
    info complete {a b "c d" e}
} 1
test parse-15.11 {CommandComplete procedure} {
    info complete {a b "c d"}
} 1
test parse-15.12 {CommandComplete procedure} {
    info complete {a b "c d"}
} 1
test parse-15.13 {CommandComplete procedure} {
    info complete {a b "c d}
} 0
test parse-15.14 {CommandComplete procedure} {
    info complete {a b "}
} 0
test parse-15.15 {CommandComplete procedure} {
    info complete {a b "cd"xyz}
} 1
test parse-15.16 {CommandComplete procedure} {
    info complete {a b "c $d() d"}
} 1
test parse-15.17 {CommandComplete procedure} {
    info complete {a b "c $dd("}
} 0
test parse-15.18 {CommandComplete procedure} {
    info complete {a b "c \"}
} 0
test parse-15.19 {CommandComplete procedure} {
    info complete {a b "c [d e f]"}
} 1
test parse-15.20 {CommandComplete procedure} {
    info complete {a b "c [d e f] g"}
} 1
test parse-15.21 {CommandComplete procedure} {
    info complete {a b "c [d e f"}
} 0
test parse-15.22 {CommandComplete procedure} {
    info complete {a {b c d} e}
} 1
test parse-15.23 {CommandComplete procedure} {
    info complete {a {b c d}}
} 1
test parse-15.24 {CommandComplete procedure} {
    info complete "a b\{c d"
} 1
test parse-15.25 {CommandComplete procedure} {
    info complete "a b \{c"
} 0
test parse-15.26 {CommandComplete procedure} {
    info complete "a b \{c{ }"
} 0
test parse-15.27 {CommandComplete procedure} {
    info complete "a b {c d e}xxx"
} 1
test parse-15.28 {CommandComplete procedure} {
    info complete "a b {c \\\{d e}xxx"
} 1
test parse-15.29 {CommandComplete procedure} {
    info complete {a b [ab cd ef]}
} 1
test parse-15.30 {CommandComplete procedure} {
    info complete {a b x[ab][cd][ef] gh}
} 1
test parse-15.31 {CommandComplete procedure} {
    info complete {a b x[ab][cd[ef] gh}
} 0
test parse-15.32 {CommandComplete procedure} {
    info complete {a b x[ gh}
} 0
test parse-15.33 {CommandComplete procedure} {
    info complete {[]]]}
} 1
test parse-15.34 {CommandComplete procedure} {
    info complete {abc x$yyy}
} 1
test parse-15.35 {CommandComplete procedure} {
    info complete "abc x\${abc\[\\d} xyz"
} 1
test parse-15.36 {CommandComplete procedure} {
    info complete "abc x\$\{ xyz"
} 0
test parse-15.37 {CommandComplete procedure} {
    info complete {word $a(xyz)}
} 1
test parse-15.38 {CommandComplete procedure} {
    info complete {word $a(}
} 0
test parse-15.39 {CommandComplete procedure} {
    info complete "set a \\\n"
} 0
test parse-15.40 {CommandComplete procedure} {
    info complete "set a \\\\\n"
} 1
test parse-15.41 {CommandComplete procedure} {
    info complete "set a \\n "
} 1
test parse-15.42 {CommandComplete procedure} {
    info complete "set a \\"
} 1
test parse-15.43 {CommandComplete procedure} {
    info complete "foo \\\n\{"
} 0
test parse-15.44 {CommandComplete procedure} {
    info complete "a\nb\n# \{\n# \{\nc\n"
} 1
test parse-15.45 {CommandComplete procedure} {
    info complete "#Incomplete comment\\\n"
} 0
test parse-15.46 {CommandComplete procedure} {
    info complete "#Incomplete comment\\\nBut now it's complete.\n"
} 1
test parse-15.47 {CommandComplete procedure} {
    info complete "# Complete comment\\\\\n"
} 1
test parse-15.48 {CommandComplete procedure} {
    info complete "abc\\\n def"
} 1
test parse-15.49 {CommandComplete procedure} {
    info complete "abc\\\n "
} 1
test parse-15.50 {CommandComplete procedure} {
    info complete "abc\\\n"
} 0
test parse-15.51 {CommandComplete procedure} "
    info complete \"\\{abc\\}\\{\"
" 1
test parse-15.52 {CommandComplete procedure} {
    info complete "\"abc\"("
} 1
test parse-15.53 {CommandComplete procedure} "
    info complete \" # {\"
" 1
test parse-15.54 {CommandComplete procedure} "
    info complete \"foo bar;# {\"
" 1
test parse-15.55 {CommandComplete procedure} {
    info complete "set x [bytestring \0]; puts hi"
} 1
test parse-15.56 {CommandComplete procedure} {
    info complete "set x [bytestring \0]; \{"
} 0
test parse-15.57 {CommandComplete procedure} {
    info complete "# Comment should be complete command"
} 1
test parse-15.58 {CommandComplete procedure, memory leaks} {
    info complete "1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22"
} 1
test parse-15.59 {CommandComplete procedure} {
    # Test for Tcl Bug 684744
    info complete [encoding convertfrom identity "\x00;if 1 \{"]
} 0

test parse-16.1 {Tcl_EvalEx, check termOffset is set correctly for non TCL_OK cases, bug 2535} {
    subst {[eval {return foo}]bar}
} foobar

test parse-17.1 {Correct return codes from errors during substitution} {
    catch {eval {w[continue]}}
} 4

test parse-19.1 {Bug 1115904: recursion limit in Tcl_EvalEx} -constraints {
    testevalex
} -setup {
    interp create i
    load {} Tcltest i
    i eval {proc {} args {}}
    interp recursionlimit i 3
} -body {
    i eval {testevalex {[]}}
} -cleanup {
    interp delete i
}

test parse-19.2 {Bug 1115904: recursion limit in Tcl_EvalEx} -constraints {
    testevalex
} -setup {
    interp create i
    load {} Tcltest i
    i eval {proc {} args {}}
    interp recursionlimit i 3
} -body {
    i eval {testevalex {[[]]}}
} -cleanup {
    interp delete i
} -returnCodes error -match glob -result {too many nested*}

test parse-19.3 {Bug 1115904: recursion limit in Tcl_EvalEx} -setup {
    interp create i
    i eval {proc {} args {}}
    interp recursionlimit i 3
} -body {
    i eval {subst {[]}}
} -cleanup {
    interp delete i
}

test parse-19.4 {Bug 1115904: recursion limit in Tcl_EvalEx} -setup {
    interp create i
    i eval {proc {} args {}}
    interp recursionlimit i 3
} -body {
    i eval {subst {[[]]}}
} -cleanup {
    interp delete i
} -returnCodes error -match glob -result {too many nested*}

# cleanup
catch {unset a}
::tcltest::cleanupTests
return