Add homework 1 (#23)

1 files changed, 99 insertions, 0 deletions

diff --git a/homework/81270/js2html/js2html.flex b/homework/81270/js2html/js2html.flex
new file mode 100644
index 0000000..7aef857
--- /dev/null
+++ b/homework/81270/js2html/js2html.flex
@@ -0,0 +1,99 @@
+%{
+#include "Common.h"
+#include "Token.h"
+#include "Highlighter.h"
+
+IPLVector<Token> tokens;
+%}
+
+LineTerminator \n|\r|\r\n
+
+Whitespace  \t+
+
+SingleLineComment \/\/.*
+
+MultiLineComment \/\*{1,2}[^\*]+\*\/
+
+Comment {SingleLineComment}|{MultiLineComment}
+
+Keyword break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|function|if|import|in|of|instanceof|new|return|super|switch|this|throw|try|typeof|var|void|while|with|module
+
+BooleanLiteral true|false
+
+DecimalDigits [0-9]+
+
+SignedInteger {DecimalDigits}|\+{DecimalDigits}|\-{DecimalDigits}
+
+ExponentPart e{SignedInteger}|E{SignedInteger}
+
+DecimalLiteral {DecimalDigits}\.{DecimalDigits}?{ExponentPart}?|\.{DecimalDigits}{ExponentPart}?|{DecimalDigits}{ExponentPart}?
+
+NumericLiteral {DecimalLiteral}
+
+SingleQuoteString   '([^\']|(\\\'))*'
+
+DoubleQuoteString   \"([^\"]|(\\\"))*\"
+
+StringLiteral   {SingleQuoteString}|{DoubleQuoteString}
+
+TemplateLiteral `([^`]|(\\`))*`
+
+Regex   \/[^\/]+\/[gimuy]*
+
+Identifier  [a-zA-Z_$][a-zA-Z0-9_$]*
+
+Global  Infinity|NaN|undefined|null|eval|isNaN|parseFloat|parseInt|Object|Function|Boolean|Symbol|Error|Number|Math|Date|String|RegExp|Array|Map|Set|JSON|Promise|arguments
+
+%%
+
+{Whitespace} { tokens.emplace_back(Whitespace, yytext); }
+
+{LineTerminator}   { tokens.emplace_back(NewLine, yytext); }
+
+{Comment}   { tokens.emplace_back(Comment, yytext); }
+
+{Keyword}   { tokens.emplace_back(Keyword, yytext); }
+
+{BooleanLiteral} { tokens.emplace_back(BooleanLiteral, yytext); }
+
+{NumericLiteral} { tokens.emplace_back(NumericLiteral, yytext); }
+
+{StringLiteral} { tokens.emplace_back(StringLiteral, yytext); }
+
+{TemplateLiteral} { tokens.emplace_back(TemplateLiteral, yytext); }
+
+{Regex} { tokens.emplace_back(Regex, yytext); }
+
+{Global}    { tokens.emplace_back(Global, yytext); }
+
+{Identifier}    { tokens.emplace_back(Identifier, yytext); }
+
+.           { tokens.emplace_back(Raw, yytext); }
+
+
+%%
+
+int yywrap()
+{
+    return 1;
+}
+
+int main(int argc, const char *argv[]) {
+    ++argv, --argc;
+    if ( argc > 0 )
+        yyin = fopen( argv[0], "r" );
+    else
+        yyin = stdin;
+
+    yylex();
+
+    ++argv, --argc;
+    const char *out = nullptr;
+    if (argc > 0) {
+        out = argv[0];
+    }
+
+    Highlighter hh(out);
+    hh.highlight(tokens);
+    return 0;
+}
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