[FEATURE] Add comment functionality to QgsExpression

m-kuhn · m-kuhn · commit 0a7facbe2e49 · 2014-11-30T10:34:18.000+01:00
diff --git a/src/core/qgsexpressionlexer.ll b/src/core/qgsexpressionlexer.ll
@@ -95,6 +95,8 @@ static QLocale cLocale("C");
 
 %}
 
+%s IN_COMMENT
+
 white       [ \t\r\n]+
 
 non_ascii    [\x80-\xFF]
@@ -117,6 +119,16 @@ string      "'"{str_char}*"'"
 
 %%
 
+<INITIAL>{
+  "/*" BEGIN(IN_COMMENT);
+}
+<IN_COMMENT>{
+  "*/" BEGIN(INITIAL);
+  [^*\n]+   // eat comment in chunks
+  "*"       // eat the lone star
+  \n        yylineno++;
+}
+
 "NOT"   { U_OP(uoNot); return NOT; }
 "AND"   { B_OP(boAnd); return AND; }
 "OR"    { B_OP(boOr);  return OR;  }
@@ -185,4 +197,5 @@ string      "'"{str_char}*"'"
 
 .       { return Unknown_CHARACTER; }
 
+
 %%
