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basic eval function and variable let/unlet

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This commit is contained in:
Viktor Kojouharov
2007-09-18 20:23:03 +00:00
parent 43d86dc88b
commit 6060c59359
2 changed files with 169 additions and 0 deletions
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71
chrome/content/vimperator/vimperator.js
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@@ -247,6 +247,75 @@ const vimperator = (function() //{{{
return new LocalFile(path, mode, perms, tmp);
},
// partial sixth level expression evaluation
eval: function(string)
{
string = string.toString().replace(/^\s*/, '').replace(/\s*$/, '');
var match = string.match(/^&(\w+)/);
if (match)
{
var opt = this.options.get(match[1]);
if (!opt)
{
this.echoerr('E113: Unknown option: ' + match[1]);
return;
}
var type = opt.type;
var value = opt.getter();
if (type != 'boolean' && type != 'number')
value = value.toString();
return value;
}
// String
if (match = string.match(/^(['"])([^\1]*?[^\\]?)\1/))
{
if (match)
return match[2].toString();
else
{
this.echoerr('E115: Missing quote: ' + string);
return;
}
}
// Number
if (match = string.match(/^(\d+)$/))
{
return parseInt(match[1]);
}
var reference = this.variableReference(string);
if (!reference[0])
this.echoerr('E121: Undefined variable: ' + string);
else
return reference[0][reference[1]];
return;
},
variableReference: function(string)
{
if (!string) return [null, null, null];
if (match = string.match(/^([bwtglsv]):(\w+)/)) // Variable
{
// Other variables should be implemented
if (match[1] == 'g')
{
if (match[2] in this.globalVariables)
return [this.globalVariables, match[2], match[1]];
else
return [null, match[2], match[1]];
}
}
else // Global variable
{
if (string in this.globalVariables)
return [this.globalVariables, string, 'g'];
else
return [null, string, 'g'];
}
},
// logs a message to the javascript error console
log: function(msg, level)
{
@@ -513,6 +582,8 @@ const vimperator = (function() //{{{
vimperator.echo = vimperator.commandline.echo;
vimperator.echoerr = vimperator.commandline.echoErr;
vimperator.globalVariables = {};
// TODO: move elsewhere
vimperator.registerCallback("submit", vimperator.modes.EX, function(command) { vimperator.execute(command); } );
vimperator.registerCallback("complete", vimperator.modes.EX, function(str) { return vimperator.completion.exTabCompletion(str); } );