Jesse Ezell
98 lines
3.8 KiB
Plaintext
98 lines
3.8 KiB
Plaintext
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%x mu emu com raw
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%{
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function strip(start, end) {
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return yytext = yytext.substr(start, yyleng-end);
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}
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%}
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LEFT_STRIP "~"
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RIGHT_STRIP "~"
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LOOKAHEAD [=~}\s\/.)]
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LITERAL_LOOKAHEAD [~}\s)]
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/*
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ID is the inverse of control characters.
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Control characters ranges:
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[\s] Whitespace
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[!"#%-,\./] !, ", #, %, &, ', (, ), *, +, ,, ., /, Exceptions in range: $, -
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[;->@] ;, <, =, >, @, Exceptions in range: :, ?
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[\[-\^`] [, \, ], ^, `, Exceptions in range: _
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[\{-~] {, |, }, ~
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*/
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ID [^\s!"#%-,\.\/;->@\[-\^`\{-~]+/{LOOKAHEAD}
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%%
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[^\x00]*?/("{{") {
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if(yytext.slice(-2) === "\\\\") {
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strip(0,1);
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this.begin("mu");
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} else if(yytext.slice(-1) === "\\") {
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strip(0,1);
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this.begin("emu");
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} else {
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this.begin("mu");
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}
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if(yytext) return 'CONTENT';
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}
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[^\x00]+ return 'CONTENT';
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// marks CONTENT up to the next mustache or escaped mustache
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<emu>[^\x00]{2,}?/("{{"|"\\{{"|"\\\\{{"|<<EOF>>) {
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this.popState();
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return 'CONTENT';
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}
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<raw>"{{{{/"[^\s!"#%-,\.\/;->@\[-\^`\{-~]+/[=}\s\/.]"}}}}" { yytext = yytext.substr(5, yyleng-9); this.popState(); return 'END_RAW_BLOCK'; }
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<raw>[^\x00]*?/("{{{{/") { return 'CONTENT'; }
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<com>[\s\S]*?"--}}" strip(0,4); this.popState(); return 'COMMENT';
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<mu>"(" return 'OPEN_SEXPR';
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<mu>")" return 'CLOSE_SEXPR';
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<mu>"{{{{" { return 'OPEN_RAW_BLOCK'; }
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<mu>"}}}}" { this.popState(); this.begin('raw'); return 'CLOSE_RAW_BLOCK'; }
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<mu>"{{{{"[^\x00]*"}}}}" {
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yytext = yytext.substr(4, yyleng-8);
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this.popState();
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return 'RAW_BLOCK';
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}
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<mu>"{{"{LEFT_STRIP}?">" return 'OPEN_PARTIAL';
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<mu>"{{"{LEFT_STRIP}?"#" return 'OPEN_BLOCK';
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<mu>"{{"{LEFT_STRIP}?"/" return 'OPEN_ENDBLOCK';
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<mu>"{{"{LEFT_STRIP}?"^" return 'OPEN_INVERSE';
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<mu>"{{"{LEFT_STRIP}?\s*"else" return 'OPEN_INVERSE';
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<mu>"{{"{LEFT_STRIP}?"{" return 'OPEN_UNESCAPED';
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<mu>"{{"{LEFT_STRIP}?"&" return 'OPEN';
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<mu>"{{!--" this.popState(); this.begin('com');
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<mu>"{{!"[\s\S]*?"}}" strip(3,5); this.popState(); return 'COMMENT';
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<mu>"{{"{LEFT_STRIP}? return 'OPEN';
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<mu>"=" return 'EQUALS';
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<mu>".." return 'ID';
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<mu>"."/{LOOKAHEAD} return 'ID';
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<mu>[\/.] return 'SEP';
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<mu>\s+ // ignore whitespace
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<mu>"}"{RIGHT_STRIP}?"}}" this.popState(); return 'CLOSE_UNESCAPED';
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<mu>{RIGHT_STRIP}?"}}" this.popState(); return 'CLOSE';
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<mu>'"'("\\"["]|[^"])*'"' yytext = strip(1,2).replace(/\\"/g,'"'); return 'STRING';
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<mu>"'"("\\"[']|[^'])*"'" yytext = strip(1,2).replace(/\\'/g,"'"); return 'STRING';
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<mu>"@" return 'DATA';
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<mu>"true"/{LITERAL_LOOKAHEAD} return 'BOOLEAN';
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<mu>"false"/{LITERAL_LOOKAHEAD} return 'BOOLEAN';
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<mu>\-?[0-9]+(?:\.[0-9]+)?/{LITERAL_LOOKAHEAD} return 'NUMBER';
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<mu>{ID} return 'ID';
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<mu>'['[^\]]*']' yytext = strip(1,2); return 'ID';
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<mu>. return 'INVALID';
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<INITIAL,mu><<EOF>> return 'EOF';
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