!
USING: kernel tools.test peg peg.ebnf peg.ebnf.private words
math math.parser sequences accessors peg.parsers parser
-namespaces arrays strings eval unicode.data multiline ;
+namespaces arrays strings eval unicode multiline ;
IN: peg.ebnf.tests
{ T{ ebnf-non-terminal f "abc" } } [
- "abc" 'non-terminal' parse
+ "abc" non-terminal-parser parse
] unit-test
{ T{ ebnf-terminal f "55" } } [
- "'55'" 'terminal' parse
+ "'55'" terminal-parser parse
] unit-test
{
- T{ ebnf-rule f
+ T{ ebnf-rule f
"digit"
T{ ebnf-choice f
V{ T{ ebnf-terminal f "1" } T{ ebnf-terminal f "2" } }
}
- }
+ }
} [
- "digit = '1' | '2'" 'rule' parse
+ "digit = '1' | '2'" rule-parser parse
] unit-test
{
- T{ ebnf-rule f
- "digit"
+ T{ ebnf-rule f
+ "digit"
T{ ebnf-sequence f
V{ T{ ebnf-terminal f "1" } T{ ebnf-terminal f "2" } }
}
- }
+ }
} [
- "digit = '1' '2'" 'rule' parse
+ "digit = '1' '2'" rule-parser parse
] unit-test
{
T{ ebnf-choice f
- V{
+ V{
T{ ebnf-sequence f
V{ T{ ebnf-non-terminal f "one" } T{ ebnf-non-terminal f "two" } }
}
T{ ebnf-non-terminal f "three" }
}
- }
+ }
} [
- "one two | three" 'choice' parse
+ "one two | three" choice-parser parse
] unit-test
{
T{ ebnf-sequence f
- V{
+ V{
T{ ebnf-non-terminal f "one" }
T{ ebnf-whitespace f
T{ ebnf-choice f
}
}
}
- }
+ }
} [
- "one {two | three}" 'choice' parse
+ "one {two | three}" choice-parser parse
] unit-test
{
T{ ebnf-sequence f
- V{
+ V{
T{ ebnf-non-terminal f "one" }
T{ ebnf-repeat0 f
T{ ebnf-sequence f
}
}
}
- }
+ }
} [
- "one ((two | three) four)*" 'choice' parse
+ "one ((two | three) four)*" choice-parser parse
] unit-test
{
T{ ebnf-sequence f
- V{
+ V{
T{ ebnf-non-terminal f "one" }
T{ ebnf-ignore f
T{ ebnf-sequence f
}
}
}
- }
+ }
} [
- "one ((two | three) four)~" 'choice' parse
+ "one ((two | three) four)~" choice-parser parse
] unit-test
{
T{ ebnf-sequence f
- V{
- T{ ebnf-non-terminal f "one" }
+ V{
+ T{ ebnf-non-terminal f "one" }
T{ ebnf-optional f T{ ebnf-non-terminal f "two" } }
T{ ebnf-non-terminal f "three" }
}
- }
+ }
} [
- "one ( two )? three" 'choice' parse
+ "one ( two )? three" choice-parser parse
] unit-test
{ "foo" } [
- "\"foo\"" 'identifier' parse
+ "\"foo\"" identifier-parser parse
] unit-test
{ "foo" } [
- "'foo'" 'identifier' parse
+ "'foo'" identifier-parser parse
+] unit-test
+
+{ "\"" } [
+ "\"\\\"\"" identifier-parser parse
+] unit-test
+
+{ "\\" } [
+ "\"\\\\\"" identifier-parser parse
+] unit-test
+
+{ "AΣ𝄞" } [
+ "'\\x41\\u{greek-capital-letter-sigma}\\u01D11E'" identifier-parser parse
] unit-test
{ "foo" } [
- "foo" 'non-terminal' parse symbol>>
+ "foo" non-terminal-parser parse symbol>>
] unit-test
{ "foo" } [
- "foo]" 'non-terminal' parse symbol>>
+ "foo]" non-terminal-parser parse symbol>>
] unit-test
{ V{ "a" "b" } } [
- "ab" [EBNF foo='a' 'b' EBNF]
+ "ab" EBNF[=[ foo='a' 'b' ]=]
] unit-test
{ V{ 1 "b" } } [
- "ab" [EBNF foo=('a')[[ drop 1 ]] 'b' EBNF]
+ "ab" EBNF[=[ foo=('a')[[ drop 1 ]] 'b' ]=]
] unit-test
{ V{ 1 2 } } [
- "ab" [EBNF foo=('a') [[ drop 1 ]] ('b') [[ drop 2 ]] EBNF]
+ "ab" EBNF[=[ foo=('a') [[ drop 1 ]] ('b') [[ drop 2 ]] ]=]
] unit-test
{ CHAR: A } [
- "A" [EBNF foo=[A-Z] EBNF]
+ "A" EBNF[=[ foo=[A-Z] ]=]
] unit-test
{ CHAR: Z } [
- "Z" [EBNF foo=[A-Z] EBNF]
+ "Z" EBNF[=[ foo=[A-Z] ]=]
] unit-test
[
- "0" [EBNF foo=[A-Z] EBNF]
+ "0" EBNF[=[ foo=[A-Z] ]=]
] must-fail
{ CHAR: 0 } [
- "0" [EBNF foo=[^A-Z] EBNF]
+ "0" EBNF[=[ foo=[^A-Z] ]=]
] unit-test
[
- "A" [EBNF foo=[^A-Z] EBNF]
+ "A" EBNF[=[ foo=[^A-Z] ]=]
] must-fail
[
- "Z" [EBNF foo=[^A-Z] EBNF]
+ "Z" EBNF[=[ foo=[^A-Z] ]=]
] must-fail
{ V{ "1" "+" "foo" } } [
- "1+1" [EBNF foo='1' '+' '1' [[ drop "foo" ]] EBNF]
+ "1+1" EBNF[=[ foo='1' '+' '1' [[ drop "foo" ]] ]=]
] unit-test
{ "foo" } [
- "1+1" [EBNF foo='1' '+' '1' => [[ drop "foo" ]] EBNF]
+ "1+1" EBNF[=[ foo='1' '+' '1' => [[ drop "foo" ]] ]=]
] unit-test
{ "foo" } [
- "1+1" [EBNF foo='1' '+' '1' => [[ drop "foo" ]] | '1' '-' '1' => [[ drop "bar" ]] EBNF]
+ "1+1" EBNF[=[ foo='1' '+' '1' => [[ drop "foo" ]] | '1' '-' '1' => [[ drop "bar" ]] ]=]
] unit-test
{ "bar" } [
- "1-1" [EBNF foo='1' '+' '1' => [[ drop "foo" ]] | '1' '-' '1' => [[ drop "bar" ]] EBNF]
+ "1-1" EBNF[=[ foo='1' '+' '1' => [[ drop "foo" ]] | '1' '-' '1' => [[ drop "bar" ]] ]=]
] unit-test
{ 6 } [
- "4+2" [EBNF num=[0-9] => [[ digit> ]] foo=num:x '+' num:y => [[ x y + ]] EBNF]
+ "4+2" EBNF[=[ num=[0-9] => [[ digit> ]] foo=num:x '+' num:y => [[ x y + ]] ]=]
] unit-test
{ 6 } [
- "4+2" [EBNF foo=[0-9]:x '+' [0-9]:y => [[ x digit> y digit> + ]] EBNF]
+ "4+2" EBNF[=[ foo=[0-9]:x '+' [0-9]:y => [[ x digit> y digit> + ]] ]=]
] unit-test
{ 10 } [
- { 1 2 3 4 } [EBNF num=. ?[ number? ]? list=list:x num:y => [[ x y + ]] | num EBNF]
+ { 1 2 3 4 } EBNF[=[ num=. ?[ number? ]? list=list:x num:y => [[ x y + ]] | num ]=]
] unit-test
[
- { "a" 2 3 4 } [EBNF num=. ?[ number? ]? list=list:x num:y => [[ x y + ]] | num EBNF]
+ { "a" 2 3 4 } EBNF[=[ num=. ?[ number? ]? list=list:x num:y => [[ x y + ]] | num ]=]
] must-fail
{ 3 } [
- { 1 2 "a" 4 } [EBNF num=. ?[ number? ]? list=list:x num:y => [[ x y + ]] | num EBNF]
+ { 1 2 "a" 4 } PARTIAL-EBNF[=[ num=. ?[ number? ]? list=list:x num:y => [[ x y + ]] | num ]=]
] unit-test
[
- "ab" [EBNF -=" " | "\t" | "\n" foo="a" - "b" EBNF]
+ "ab" EBNF[=[ -=" " | "\t" | "\n" foo="a" - "b" ]=]
] must-fail
{ V{ "a" " " "b" } } [
- "a b" [EBNF -=" " | "\t" | "\n" foo="a" - "b" EBNF]
+ "a b" EBNF[=[ -=" " | "\t" | "\n" foo="a" - "b" ]=]
] unit-test
{ V{ "a" "\t" "b" } } [
- "a\tb" [EBNF -=" " | "\t" | "\n" foo="a" - "b" EBNF]
+ "a\tb" EBNF[=[ -=" " | "\t" | "\n" foo="a" - "b" ]=]
] unit-test
{ V{ "a" "\n" "b" } } [
- "a\nb" [EBNF -=" " | "\t" | "\n" foo="a" - "b" EBNF]
+ "a\nb" EBNF[=[ -=" " | "\t" | "\n" foo="a" - "b" ]=]
] unit-test
{ V{ "a" f "b" } } [
- "ab" [EBNF -=" " | "\t" | "\n" foo="a" (-)? "b" EBNF]
+ "ab" EBNF[=[ -=" " | "\t" | "\n" foo="a" (-)? "b" ]=]
] unit-test
{ V{ "a" " " "b" } } [
- "a b" [EBNF -=" " | "\t" | "\n" foo="a" (-)? "b" EBNF]
+ "a b" EBNF[=[ -=" " | "\t" | "\n" foo="a" (-)? "b" ]=]
] unit-test
{ V{ "a" "\t" "b" } } [
- "a\tb" [EBNF -=" " | "\t" | "\n" foo="a" (-)? "b" EBNF]
+ "a\tb" EBNF[=[ -=" " | "\t" | "\n" foo="a" (-)? "b" ]=]
] unit-test
{ V{ "a" "\n" "b" } } [
- "a\nb" [EBNF -=" " | "\t" | "\n" foo="a" (-)? "b" EBNF]
+ "a\nb" EBNF[=[ -=" " | "\t" | "\n" foo="a" (-)? "b" ]=]
] unit-test
{ V{ "a" "b" } } [
- "ab" [EBNF -=(" " | "\t" | "\n")? => [[ drop ignore ]] foo="a" - "b" EBNF]
+ "ab" EBNF[=[ -=(" " | "\t" | "\n")? => [[ drop ignore ]] foo="a" - "b" ]=]
] unit-test
{ V{ "a" "b" } } [
- "a\tb" [EBNF -=(" " | "\t" | "\n")? => [[ drop ignore ]] foo="a" - "b" EBNF]
+ "a\tb" EBNF[=[ -=(" " | "\t" | "\n")? => [[ drop ignore ]] foo="a" - "b" ]=]
] unit-test
{ V{ "a" "b" } } [
- "a\nb" [EBNF -=(" " | "\t" | "\n")? => [[ drop ignore ]] foo="a" - "b" EBNF]
+ "a\nb" EBNF[=[ -=(" " | "\t" | "\n")? => [[ drop ignore ]] foo="a" - "b" ]=]
] unit-test
[
- "axb" [EBNF -=(" " | "\t" | "\n")? => [[ drop ignore ]] foo="a" - "b" EBNF]
+ "axb" EBNF[=[ -=(" " | "\t" | "\n")? => [[ drop ignore ]] foo="a" - "b" ]=]
] must-fail
-{ V{ V{ 49 } "+" V{ 49 } } } [
- #! Test direct left recursion.
- #! Using packrat, so first part of expr fails, causing 2nd choice to be used
- "1+1" [EBNF num=([0-9])+ expr=expr "+" num | num EBNF]
+{ V{ V{ 49 } "+" V{ 49 } } } [
+ ! Test direct left recursion.
+ ! Using packrat, so first part of expr fails, causing 2nd choice to be used
+ "1+1" EBNF[=[ num=([0-9])+ expr=expr "+" num | num ]=]
] unit-test
-{ V{ V{ V{ 49 } "+" V{ 49 } } "+" V{ 49 } } } [
- #! Test direct left recursion.
- #! Using packrat, so first part of expr fails, causing 2nd choice to be used
- "1+1+1" [EBNF num=([0-9])+ expr=expr "+" num | num EBNF]
+{ V{ V{ V{ 49 } "+" V{ 49 } } "+" V{ 49 } } } [
+ ! Test direct left recursion.
+ ! Using packrat, so first part of expr fails, causing 2nd choice to be used
+ "1+1+1" EBNF[=[ num=([0-9])+ expr=expr "+" num | num ]=]
] unit-test
-{ V{ V{ V{ 49 } "+" V{ 49 } } "+" V{ 49 } } } [
- #! Test indirect left recursion.
- #! Using packrat, so first part of expr fails, causing 2nd choice to be used
- "1+1+1" [EBNF num=([0-9])+ x=expr expr=x "+" num | num EBNF]
+{ V{ V{ V{ 49 } "+" V{ 49 } } "+" V{ 49 } } } [
+ ! Test indirect left recursion.
+ ! Using packrat, so first part of expr fails, causing 2nd choice to be used
+ "1+1+1" EBNF[=[ num=([0-9])+ x=expr expr=x "+" num | num ]=]
] unit-test
{ t } [
- "abcd='9' | ('8'):x => [[ x ]]" 'ebnf' (parse) remaining>> empty?
+ "abcd='9' | ('8'):x => [[ x ]]" ebnf-parser (parse) remaining>> empty?
] unit-test
-EBNF: primary
+EBNF: primary [=[
Primary = PrimaryNoNewArray
PrimaryNoNewArray = ClassInstanceCreationExpression
| MethodInvocation
ExpressionName = Identifier
Expression = "i" | "j"
main = Primary
-;EBNF
+]=]
{ "this" } [
"this" primary
] unit-test
{ V{ V{ "a" "b" } "c" } } [
- "abc" [EBNF a="a" "b" foo=(a "c") EBNF]
+ "abc" EBNF[=[ a="a" "b" foo=(a "c") ]=]
] unit-test
{ V{ "a" "c" } } [
- "abc" [EBNF a="a" "b"~ foo=(a "c") EBNF]
+ "abc" EBNF[=[ a="a" "b"~ foo=(a "c") ]=]
] unit-test
{ V{ V{ "a" V{ "b" "b" } } "c" } } [
- "abbc" [EBNF a=("a" "b"*) foo=(a "c") EBNF]
+ "abbc" EBNF[=[ a=("a" "b"*) foo=(a "c") ]=]
] unit-test
{ V{ "a" "c" } } [
- "abc" [EBNF a=("a" ("b")~) foo=(a "c") EBNF]
+ "abc" EBNF[=[ a=("a" ("b")~) foo=(a "c") ]=]
] unit-test
{ V{ "a" "c" } } [
- "abc" [EBNF a=("a" "b"~) foo=(a "c") EBNF]
+ "abc" EBNF[=[ a=("a" "b"~) foo=(a "c") ]=]
] unit-test
{ "c" } [
- "abc" [EBNF a=("a" "b")~ foo=(a "c") EBNF]
+ "abc" EBNF[=[ a=("a" "b")~ foo=(a "c") ]=]
] unit-test
{ V{ V{ "a" "b" } "c" } } [
- "abc" [EBNF a="a" "b" foo={a "c"} EBNF]
+ "abc" EBNF[=[ a="a" "b" foo={a "c"} ]=]
] unit-test
{ V{ V{ "a" "b" } "c" } } [
- "abc" [EBNF a="a" "b" foo=a "c" EBNF]
+ "abc" EBNF[=[ a="a" "b" foo=a "c" ]=]
] unit-test
[
- "a bc" [EBNF a="a" "b" foo=(a "c") EBNF]
+ "a bc" EBNF[=[ a="a" "b" foo=(a "c") ]=]
] must-fail
[
- "a bc" [EBNF a="a" "b" foo=a "c" EBNF]
+ "a bc" EBNF[=[ a="a" "b" foo=a "c" ]=]
] must-fail
[
- "a bc" [EBNF a="a" "b" foo={a "c"} EBNF]
+ "a bc" EBNF[=[ a="a" "b" foo={a "c"} ]=]
] must-fail
[
- "ab c" [EBNF a="a" "b" foo=a "c" EBNF]
+ "ab c" EBNF[=[ a="a" "b" foo=a "c" ]=]
] must-fail
{ V{ V{ "a" "b" } "c" } } [
- "ab c" [EBNF a="a" "b" foo={a "c"} EBNF]
+ "ab c" EBNF[=[ a="a" "b" foo={a "c"} ]=]
] unit-test
[
- "ab c" [EBNF a="a" "b" foo=(a "c") EBNF]
+ "ab c" EBNF[=[ a="a" "b" foo=(a "c") ]=]
] must-fail
[
- "a b c" [EBNF a="a" "b" foo=a "c" EBNF]
+ "a b c" EBNF[=[ a="a" "b" foo=a "c" ]=]
] must-fail
[
- "a b c" [EBNF a="a" "b" foo=(a "c") EBNF]
+ "a b c" EBNF[=[ a="a" "b" foo=(a "c") ]=]
] must-fail
[
- "a b c" [EBNF a="a" "b" foo={a "c"} EBNF]
+ "a b c" EBNF[=[ a="a" "b" foo={a "c"} ]=]
] must-fail
{ V{ V{ V{ "a" "b" } "c" } V{ V{ "a" "b" } "c" } } } [
- "ab cab c" [EBNF a="a" "b" foo={a "c"}* EBNF]
+ "ab cab c" EBNF[=[ a="a" "b" foo={a "c"}* ]=]
] unit-test
{ V{ } } [
- "ab cab c" [EBNF a="a" "b" foo=(a "c")* EBNF]
+ "ab cab c" PARTIAL-EBNF[=[ a="a" "b" foo=(a "c")* ]=]
] unit-test
{ V{ V{ V{ "a" "b" } "c" } V{ V{ "a" "b" } "c" } } } [
- "ab c ab c" [EBNF a="a" "b" foo={a "c"}* EBNF]
+ "ab c ab c" EBNF[=[ a="a" "b" foo={a "c"}* ]=]
] unit-test
{ V{ V{ "a" "c" } V{ "a" "c" } } } [
- "ab c ab c" [EBNF a="a" "b"~ foo={a "c"}* EBNF]
+ "ab c ab c" EBNF[=[ a="a" "b"~ foo={a "c"}* ]=]
] unit-test
{ V{ } } [
- "ab c ab c" [EBNF a="a" "b" foo=(a "c")* EBNF]
+ "ab c ab c" PARTIAL-EBNF[=[ a="a" "b" foo=(a "c")* ]=]
] unit-test
{ V{ } } [
- "ab c ab c" [EBNF a="a" "b" foo=(a "c")* EBNF]
+ "ab c ab c" PARTIAL-EBNF[=[ a="a" "b" foo=(a "c")* ]=]
] unit-test
{ V{ "a" "a" "a" } } [
- "aaa" [EBNF a=('a')* b=!('b') a:x => [[ x ]] EBNF]
+ "aaa" EBNF[=[ a=('a')* b=!('b') a:x => [[ x ]] ]=]
] unit-test
{ t } [
- "aaa" [EBNF a=('a')* b=!('b') a:x => [[ x ]] EBNF]
- "aaa" [EBNF a=('a')* b=!('b') (a):x => [[ x ]] EBNF] =
+ "aaa" EBNF[=[ a=('a')* b=!('b') a:x => [[ x ]] ]=]
+ "aaa" EBNF[=[ a=('a')* b=!('b') (a):x => [[ x ]] ]=] =
] unit-test
{ V{ "a" "a" "a" } } [
- "aaa" [EBNF a=('a')* b=a:x => [[ x ]] EBNF]
+ "aaa" EBNF[=[ a=('a')* b=a:x => [[ x ]] ]=]
] unit-test
{ t } [
- "aaa" [EBNF a=('a')* b=a:x => [[ x ]] EBNF]
- "aaa" [EBNF a=('a')* b=(a):x => [[ x ]] EBNF] =
+ "aaa" EBNF[=[ a=('a')* b=a:x => [[ x ]] ]=]
+ "aaa" EBNF[=[ a=('a')* b=(a):x => [[ x ]] ]=] =
] unit-test
{ t } [
- "number=(digit)+:n 'a'" 'ebnf' (parse) remaining>> length zero?
+ "number=(digit)+:n 'a'" ebnf-parser (parse) remaining>> length zero?
] unit-test
{ t } [
- "number=(digit)+ 'a'" 'ebnf' (parse) remaining>> length zero?
+ "number=(digit)+ 'a'" ebnf-parser (parse) remaining>> length zero?
] unit-test
{ t } [
- "number=digit+ 'a'" 'ebnf' (parse) remaining>> length zero?
+ "number=digit+ 'a'" ebnf-parser (parse) remaining>> length zero?
] unit-test
{ t } [
- "number=digit+:n 'a'" 'ebnf' (parse) remaining>> length zero?
+ "number=digit+:n 'a'" ebnf-parser (parse) remaining>> length zero?
] unit-test
{ t } [
- "foo=(name):n !(keyword) => [[ n ]]" 'rule' parse
- "foo=name:n !(keyword) => [[ n ]]" 'rule' parse =
+ "foo=(name):n !(keyword) => [[ n ]]" rule-parser parse
+ "foo=name:n !(keyword) => [[ n ]]" rule-parser parse =
] unit-test
{ t } [
- "foo=!(keyword) (name):n => [[ n ]]" 'rule' parse
- "foo=!(keyword) name:n => [[ n ]]" 'rule' parse =
+ "foo=!(keyword) (name):n => [[ n ]]" rule-parser parse
+ "foo=!(keyword) name:n => [[ n ]]" rule-parser parse =
] unit-test
<<
-EBNF: parser1
+EBNF: parser1 [=[
foo='a'
-;EBNF
+]=]
>>
-EBNF: parser2
+EBNF: parser2 [=[
foo=<foreign parser1 foo> 'b'
-;EBNF
+]=]
-EBNF: parser3
+EBNF: parser3 [=[
foo=<foreign parser1> 'c'
-;EBNF
+]=]
-EBNF: parser4
+EBNF: parser4 [=[
foo=<foreign any-char> 'd'
-;EBNF
+]=]
{ "a" } [
"a" parser1
] unit-test
{ } [
- "USING: kernel peg.ebnf ; \"a\\n\" [EBNF foo='a' '\n' => [[ drop \"\n\" ]] EBNF] drop" eval( -- )
+ "USING: kernel peg.ebnf ; \"a\\n\" EBNF[=[ foo='a' '\n' => [[ drop \"\n\" ]] ]=] drop" eval( -- )
] unit-test
[
- "USING: peg.ebnf ; <EBNF foo='a' foo='b' EBNF>" eval( -- ) drop
+ "USING: peg.ebnf ; EBNF[=[ foo='a' foo='b' ]=]" eval( -- ) drop
] must-fail
{ t } [
- #! Rule lookup occurs in a namespace. This causes an incorrect duplicate rule
- #! if a var in a namespace is set. This unit test is to remind me to fix this.
- [ "fail" "foo" set "foo='a'" 'ebnf' parse transform drop t ] with-scope
+ ! Rule lookup occurs in a namespace. This causes an incorrect duplicate rule
+ ! if a var in a namespace is set. This unit test is to remind me to fix this.
+ [ "fail" "foo" set "foo='a'" ebnf-parser parse transform drop t ] with-scope
] unit-test
-#! Tokenizer tests
+! Tokenizer tests
{ V{ "a" CHAR: b } } [
- "ab" [EBNF tokenizer=default foo="a" . EBNF]
+ "ab" EBNF[=[ tokenizer=default foo="a" . ]=]
] unit-test
TUPLE: ast-number value ;
-EBNF: a-tokenizer
+EBNF: a-tokenizer [=[
Letter = [a-zA-Z]
Digit = [0-9]
Digits = Digit+
MultiLineComment = "/*" (!("*/") .)* "*/" => [[ ignore ]]
Space = " " | "\t" | "\r" | "\n" | SingleLineComment | MultiLineComment
Spaces = Space* => [[ ignore ]]
-Number = Digits:ws '.' Digits:fs => [[ ws "." fs 3array concat >string string>number ast-number boa ]]
+Number = Digits:ws '.' Digits:fs => [[ ws "." fs 3array "" concat-as string>number ast-number boa ]]
| Digits => [[ >string string>number ast-number boa ]]
Special = "(" | ")" | "{" | "}" | "[" | "]" | "," | ";"
| "?" | ":" | "!==" | "~=" | "===" | "==" | "=" | ">="
| "-" | "*=" | "*" | "/=" | "/" | "%=" | "%" | "&&="
| "&&" | "||=" | "||" | "." | "!"
Tok = Spaces (Number | Special )
-;EBNF
+]=]
{ V{ CHAR: 1 T{ ast-number f 23 } ";" CHAR: x } } [
- "123;x" [EBNF bar = .
- tokenizer = <foreign a-tokenizer Tok> foo=.
- tokenizer=default baz=.
- main = bar foo foo baz
- EBNF]
+ "123;x" EBNF[=[ bar = .
+ tokenizer = <foreign a-tokenizer Tok> foo=.
+ tokenizer=default baz=.
+ main = bar foo foo baz
+ ]=]
] unit-test
{ V{ CHAR: 5 "+" CHAR: 2 } } [
- "5+2" [EBNF
- space=(" " | "\n")
- number=[0-9]
- operator=("*" | "+")
- spaces=space* => [[ ignore ]]
- tokenizer=spaces (number | operator)
- main= . . .
- EBNF]
+ "5+2" EBNF[=[
+ space=(" " | "\n")
+ number=[0-9]
+ operator=("*" | "+")
+ spaces=space* => [[ ignore ]]
+ tokenizer=spaces (number | operator)
+ main= . . .
+ ]=]
] unit-test
{ V{ CHAR: 5 "+" CHAR: 2 } } [
- "5 + 2" [EBNF
- space=(" " | "\n")
- number=[0-9]
- operator=("*" | "+")
- spaces=space* => [[ ignore ]]
- tokenizer=spaces (number | operator)
- main= . . .
- EBNF]
+ "5 + 2" EBNF[=[
+ space=(" " | "\n")
+ number=[0-9]
+ operator=("*" | "+")
+ spaces=space* => [[ ignore ]]
+ tokenizer=spaces (number | operator)
+ main= . . .
+ ]=]
] unit-test
{ "++" } [
- "++--" [EBNF tokenizer=("++" | "--") main="++" EBNF]
+ "++--" PARTIAL-EBNF[=[ tokenizer=("++" | "--") main="++" ]=]
] unit-test
{ "\\" } [
- "\\" [EBNF foo="\\" EBNF]
+ "\\" EBNF[=[ foo="\\" ]=]
] unit-test
-[ "USE: peg.ebnf [EBNF EBNF]" eval( -- ) ] must-fail
+[ "USE: peg.ebnf EBNF[=[ ]=]" eval( -- ) ] must-fail
-[ """USE: peg.ebnf [EBNF
+[ "USE: peg.ebnf EBNF[=[
lol = a
lol = b
- EBNF]""" eval( -- )
+ ]=]" eval( -- )
] [
error>> [ redefined-rule? ] [ name>> "lol" = ] bi and
] must-fail-with
-[
+{
{ "a" "a" }
-] [
- EBNF: foo Bar = "a":a1 "a":a2 => [[ a1 a2 2array ]] ;EBNF
+} [
+ EBNF: foo [=[ Bar = "a":a1 "a":a2 => [[ a1 a2 2array ]] ]=]
"aa" foo
] unit-test
-[
+{
{ "a" "a" }
-] [
- EBNF: foo2 Bar = "a":a-1 "a":a-2 => [[ a-1 a-2 2array ]] ;EBNF
+} [
+ EBNF: foo2 [=[ Bar = "a":a-1 "a":a-2 => [[ a-1 a-2 2array ]] ]=]
"aa" foo2
] unit-test
+
+{ "abc" } [
+ EBNF: parse-til-right-bracket [=[
+ foo = [^\]]+
+ ]=]
+ PARTIAL-EBNF: parse-til-right-bracket* parse-til-right-bracket
+ "abc]" parse-til-right-bracket* >string
+] unit-test
+
+! Doesn't match anything, don't run it.
+{ } [
+ EBNF: parse-empty-range [=[
+ foo = []+
+ ]=]
+] unit-test
+
+[
+ [==[
+ EBNF: parse-empty-squote [=[
+ foo = ''
+ ]=]
+ ]==] parse-string
+] must-fail
+
+[
+ [==[
+ EBNF: parse-empty-squote [=[
+ foo = ""
+ ]=]
+ ]==] parse-string
+] must-fail
+
+! Bugfix, ensure that ~ rules are ignored with local labels
+{ { "a" "c" } } [
+ "abc" EBNF[=[ rule="a":a "b"~ "c":c => [[ a c 2array ]] ]=]
+] unit-test
+
+{ { "a" "c" } } [
+ "abc" EBNF[=[ rule="a":a "b"*~ "c":c => [[ a c 2array ]] ]=]
+] unit-test
+
+{ { "a" "c" } } [
+ "abc" EBNF[=[ rule="a":a "b"+~ "c":c => [[ a c 2array ]] ]=]
+] unit-test
+
projects / factor.git / blobdiff