add semicolons option in the code generator (default: true)

pass `false` to separate statements with newlines instead of semicolons
2012-10-17 14:51:27 +03:00
parent 8957b3a694
commit 6472f9410e
2 changed files with 17 additions and 3 deletions
--- a/lib/output.js
+++ b/lib/output.js
@@ -58,6 +58,7 @@ function OutputStream(options) {
        beautify      : false,
        source_map    : null,
        bracketize    : false,
+        semicolons    : true,
        comments      : false
    }, true);

@@ -130,14 +131,23 @@ function OutputStream(options) {
            print("\n");
    };

+    var requireSemicolonChars = makePredicate("( [ + * / - , .");
+
    function print(str) {
        str = String(str);
        var ch = str.charAt(0);
        if (might_need_semicolon) {
            if (";}".indexOf(ch) < 0 && !/[;]$/.test(last)) {
-                OUTPUT += ";";
-                current_col++;
-                current_pos++;
+                if (options.semicolons || requireSemicolonChars(ch)) {
+                    OUTPUT += ";";
+                    current_col++;
+                    current_pos++;
+                } else {
+                    OUTPUT += "\n";
+                    current_pos++;
+                    current_line++;
+                    current_col = 0;
+                }
                if (!options.beautify)
                    might_need_space = false;
            }