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app: handle parsing errors

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This commit is contained in:
Romain Goyet
2015-10-26 11:14:04 +01:00
parent 92a62eea12
commit 59e7f444ca
1 changed files with 13 additions and 8 deletions
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21
app/app.cpp
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@@ -87,15 +87,20 @@ void interactive_expression_parsing() {
input[index] = 0;
index = 0;
Expression * e = Expression::parse(input);
ExpressionLayout * l = e->createLayout(nullptr);
l->draw(KDPointMake(0,100));
Variable * v = Variable::VariableNamed("x");
if (v) {
plot(e,v, 0.0f, 3.0f, 0.0f, 2.0f);
if (e) {
ExpressionLayout * l = e->createLayout(nullptr);
if (l) {
l->draw(KDPointMake(0,100));
Variable * v = Variable::VariableNamed("x");
if (v) {
plot(e,v, 0.0f, 3.0f, 0.0f, 2.0f);
}
delete l;
}
delete e;
} else {
KDDrawString("PARSING ERROR", KDPointMake(10,10));
}
delete l;
delete e;
} else {
if (index == 0) {
KDRect r;