aboutsummaryrefslogtreecommitdiffstats
path: root/askama_shared/src/generator.rs
diff options
context:
space:
mode:
Diffstat (limited to 'askama_shared/src/generator.rs')
-rw-r--r--askama_shared/src/generator.rs42
1 files changed, 41 insertions, 1 deletions
diff --git a/askama_shared/src/generator.rs b/askama_shared/src/generator.rs
index dcdea32..6fca3fb 100644
--- a/askama_shared/src/generator.rs
+++ b/askama_shared/src/generator.rs
@@ -1,6 +1,6 @@
use filters;
use input::TemplateInput;
-use parser::{self, Cond, Expr, Macro, Node, Target, WS};
+use parser::{self, Cond, Expr, Macro, Node, Target, When, WS};
use path;
use quote::{Tokens, ToTokens};
@@ -339,6 +339,9 @@ impl<'a> Generator<'a> {
Node::Cond(ref conds, ref ws) => {
self.write_cond(state, conds, ws);
},
+ Node::Match(ref ws1, ref expr, ref inter, ref arms, ref ws2) => {
+ self.write_match(state, ws1, expr, inter, arms, ws2);
+ },
Node::Loop(ref ws1, ref var, ref iter, ref body, ref ws2) => {
self.write_loop(state, ws1, var, iter, body, ws2);
},
@@ -428,6 +431,43 @@ impl<'a> Generator<'a> {
self.writeln("}");
}
+ fn write_match(&mut self, state: &'a State, ws1: &WS, expr: &Expr, inter: &'a str, arms:
+ &'a [When], ws2: &WS) {
+ self.flush_ws(ws1);
+ if !inter.is_empty() {
+ self.next_ws = Some(inter);
+ }
+
+ self.write("match ");
+ self.visit_expr(expr);
+ self.writeln(" {");
+
+ for arm in arms {
+ let &(ref ws, ref variant, ref params, ref body) = arm;
+ self.locals.push();
+ self.write(variant);
+ if params.len() > 0 {
+ self.write("(");
+ for (i, param) in params.iter().enumerate() {
+ self.locals.insert(param);
+ if i > 0 {
+ self.write(", ");
+ }
+ self.write(param);
+ }
+ self.write(")");
+ }
+ self.writeln(" => {");
+ self.handle_ws(ws);
+ self.handle(state, body, AstLevel::Nested);
+ self.writeln("}");
+ self.locals.pop();
+ }
+
+ self.writeln("}");
+ self.handle_ws(ws2);
+ }
+
fn write_loop(&mut self, state: &'a State, ws1: &WS, var: &'a Target, iter: &Expr,
body: &'a [Node], ws2: &WS) {
self.handle_ws(ws1);