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Add Vala Lexer (#697)
This commit is contained in:
Gianni Lerro
GitHub
parent
d6ea504031
commit
be4aebd830
72
lexers/embedded/vala.xml
Normal file
72
lexers/embedded/vala.xml
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<lexer>
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<config>
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<name>Vala</name>
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<alias>vala</alias>
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<alias>vapi</alias>
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<filename>*.vala</filename>
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<filename>*.vapi</filename>
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<mime_type>text/x-vala</mime_type>
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</config>
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<rules>
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<state name="whitespace">
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<rule pattern="^\s*#if\s+0"><token type="CommentPreproc"/><push state="if0"/></rule>
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<rule pattern="\n"><token type="TextWhitespace"/></rule>
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<rule pattern="\s+"><token type="TextWhitespace"/></rule>
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<rule pattern="\\\n"><token type="Text"/></rule>
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<rule pattern="//(\n|(.|\n)*?[^\\]\n)"><token type="CommentSingle"/></rule>
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<rule pattern="/(\\\n)?[*](.|\n)*?[*](\\\n)?/"><token type="CommentMultiline"/></rule>
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</state>
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<state name="statements">
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<rule pattern="[L@]?""><token type="LiteralString"/><push state="string"/></rule>
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<rule pattern="L?'(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])'"><token type="LiteralStringChar"/></rule>
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<rule pattern="(?s)""".*?""""><token type="LiteralString"/></rule>
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<rule pattern="(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[lL]?"><token type="LiteralNumberFloat"/></rule>
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<rule pattern="(\d+\.\d*|\.\d+|\d+[fF])[fF]?"><token type="LiteralNumberFloat"/></rule>
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<rule pattern="0x[0-9a-fA-F]+[Ll]?"><token type="LiteralNumberHex"/></rule>
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<rule pattern="0[0-7]+[Ll]?"><token type="LiteralNumberOct"/></rule>
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<rule pattern="\d+[Ll]?"><token type="LiteralNumberInteger"/></rule>
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<rule pattern="[~!%^&*+=|?:<>/-]"><token type="Operator"/></rule>
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<rule pattern="(\[)(Compact|Immutable|(?:Boolean|Simple)Type)(\])"><bygroups><token type="Punctuation"/><token type="NameDecorator"/><token type="Punctuation"/></bygroups></rule>
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<rule pattern="(\[)(CCode|(?:Integer|Floating)Type)"><bygroups><token type="Punctuation"/><token type="NameDecorator"/></bygroups></rule>
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<rule pattern="[()\[\],.]"><token type="Punctuation"/></rule>
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<rule pattern="(as|base|break|case|catch|construct|continue|default|delete|do|else|enum|finally|for|foreach|get|if|in|is|lock|new|out|params|return|set|sizeof|switch|this|throw|try|typeof|while|yield)\b"><token type="Keyword"/></rule>
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<rule pattern="(abstract|const|delegate|dynamic|ensures|extern|inline|internal|override|owned|private|protected|public|ref|requires|signal|static|throws|unowned|var|virtual|volatile|weak|yields)\b"><token type="KeywordDeclaration"/></rule>
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<rule pattern="(namespace|using)(\s+)"><bygroups><token type="KeywordNamespace"/><token type="TextWhitespace"/></bygroups><push state="namespace"/></rule>
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<rule pattern="(class|errordomain|interface|struct)(\s+)"><bygroups><token type="KeywordDeclaration"/><token type="TextWhitespace"/></bygroups><push state="class"/></rule>
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<rule pattern="(\.)([a-zA-Z_]\w*)"><bygroups><token type="Operator"/><token type="NameAttribute"/></bygroups></rule>
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<rule pattern="(void|bool|char|double|float|int|int8|int16|int32|int64|long|short|size_t|ssize_t|string|time_t|uchar|uint|uint8|uint16|uint32|uint64|ulong|unichar|ushort)\b"><token type="KeywordType"/></rule>
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<rule pattern="(true|false|null)\b"><token type="NameBuiltin"/></rule>
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<rule pattern="[a-zA-Z_]\w*"><token type="Name"/></rule>
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</state>
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<state name="root">
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<rule><include state="whitespace"/></rule>
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<rule><push state="statement"/></rule>
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</state>
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<state name="statement">
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<rule><include state="whitespace"/></rule>
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<rule><include state="statements"/></rule>
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<rule pattern="[{}]"><token type="Punctuation"/></rule>
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<rule pattern=";"><token type="Punctuation"/><pop depth="1"/></rule>
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</state>
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<state name="string">
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<rule pattern="""><token type="LiteralString"/><pop depth="1"/></rule>
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<rule pattern="\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|[0-7]{1,3})"><token type="LiteralStringEscape"/></rule>
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<rule pattern="[^\\"\n]+"><token type="LiteralString"/></rule>
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<rule pattern="\\\n"><token type="LiteralString"/></rule>
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<rule pattern="\\"><token type="LiteralString"/></rule>
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</state>
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<state name="if0">
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<rule pattern="^\s*#if.*?(?<!\\)\n"><token type="CommentPreproc"/><push/></rule>
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<rule pattern="^\s*#el(?:se|if).*\n"><token type="CommentPreproc"/><pop depth="1"/></rule>
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<rule pattern="^\s*#endif.*?(?<!\\)\n"><token type="CommentPreproc"/><pop depth="1"/></rule>
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<rule pattern=".*?\n"><token type="Comment"/></rule>
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</state>
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<state name="class">
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<rule pattern="[a-zA-Z_]\w*"><token type="NameClass"/><pop depth="1"/></rule>
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</state>
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<state name="namespace">
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<rule pattern="[a-zA-Z_][\w.]*"><token type="NameNamespace"/><pop depth="1"/></rule>
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</state>
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</rules>
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</lexer>
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42
lexers/testdata/vala.actual
vendored
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42
lexers/testdata/vala.actual
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@ -0,0 +1,42 @@
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class HelloWorld: Object {
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public signal void some_event ();
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public void method () {
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some_event ();
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}
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struct Vector {
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public double x;
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public double y;
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public double z;
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}
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enum WindowType {
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TOPLEVEL,
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POPUP
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}
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private uint year = 0;
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public HelloWorld () {
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}
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public HelloWorld.with_year (int year) {
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if (year>0)
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this.year = year;
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}
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public void greeting () {
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if (year == 0)
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print ("Hello World\n");
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else
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/* Strings prefixed with '@' are string templates. */
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print (@"Hello World, $(this.year)\n");
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}
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}
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void main (string[] args) {
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var helloworld = new HelloWorld.with_year (2021);
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helloworld.greeting ();
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}
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214
lexers/testdata/vala.expected
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214
lexers/testdata/vala.expected
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@ -0,0 +1,214 @@
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[
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{"type":"KeywordDeclaration","value":"class"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameClass","value":"HelloWorld"},
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{"type":"Operator","value":":"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"Object"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n\n "},
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{"type":"KeywordDeclaration","value":"public"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordDeclaration","value":"signal"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordType","value":"void"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"some_event"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"();"},
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{"type":"TextWhitespace","value":"\n\n "},
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{"type":"KeywordDeclaration","value":"public"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordType","value":"void"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"method"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"()"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"some_event"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"();"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n \n "},
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{"type":"KeywordDeclaration","value":"struct"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameClass","value":"Vector"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"KeywordDeclaration","value":"public"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordType","value":"double"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"x"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"KeywordDeclaration","value":"public"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordType","value":"double"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"y"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"KeywordDeclaration","value":"public"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordType","value":"double"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"z"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n\n "},
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{"type":"Keyword","value":"enum"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"WindowType"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"TOPLEVEL"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"POPUP"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n\n "},
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{"type":"KeywordDeclaration","value":"private"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordType","value":"uint"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"year"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"="},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberInteger","value":"0"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n\n "},
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{"type":"KeywordDeclaration","value":"public"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"HelloWorld"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"()"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n\n "},
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{"type":"KeywordDeclaration","value":"public"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"HelloWorld"},
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{"type":"Punctuation","value":"."},
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{"type":"Name","value":"with_year"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"KeywordType","value":"int"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"year"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Keyword","value":"if"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"year"},
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{"type":"Operator","value":"\u003e"},
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{"type":"LiteralNumberInteger","value":"0"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Keyword","value":"this"},
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{"type":"Punctuation","value":"."},
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{"type":"Name","value":"year"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"="},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"year"},
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{"type":"Punctuation","value":";"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n\n "},
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{"type":"KeywordDeclaration","value":"public"},
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{"type":"TextWhitespace","value":" "},
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{"type":"KeywordType","value":"void"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"greeting"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"()"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Keyword","value":"if"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"year"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"=="},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberInteger","value":"0"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"print"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"LiteralString","value":"\"Hello World"},
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{"type":"LiteralStringEscape","value":"\\n"},
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{"type":"LiteralString","value":"\""},
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{"type":"Punctuation","value":");"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Keyword","value":"else"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"CommentMultiline","value":"/* Strings prefixed with '@' are string templates. */"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"print"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"LiteralString","value":"@\"Hello World, $(this.year)"},
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{"type":"LiteralStringEscape","value":"\\n"},
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{"type":"LiteralString","value":"\""},
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{"type":"Punctuation","value":");"},
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{"type":"TextWhitespace","value":" \n "},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"KeywordType","value":"void"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"main"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"KeywordType","value":"string"},
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{"type":"Punctuation","value":"[]"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"args"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"KeywordDeclaration","value":"var"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"helloworld"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"="},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"new"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"HelloWorld"},
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{"type":"Punctuation","value":"."},
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{"type":"Name","value":"with_year"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"("},
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{"type":"LiteralNumberInteger","value":"2021"},
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{"type":"Punctuation","value":");"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"helloworld"},
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{"type":"Punctuation","value":"."},
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{"type":"Name","value":"greeting"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"();"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n"}
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]
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