From 745ef6a6d609a6690d6051a16dec82e058884792 Mon Sep 17 00:00:00 2001
From: Pelle Johnsen <pelle.johnsen@gmail.com>
Date: Wed, 5 Aug 2020 15:45:42 +0200
Subject: [PATCH] [glsl-new] Add float consts (#119)

---
 src/front/glsl_new/parser.rs | 22 ++++++++++++++++++++--
 test-data/simple.vert        |  2 +-
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/front/glsl_new/parser.rs b/src/front/glsl_new/parser.rs
index f1c108007f..02a6b03e0d 100644
--- a/src/front/glsl_new/parser.rs
+++ b/src/front/glsl_new/parser.rs
@@ -163,10 +163,28 @@ pomelo! {
         }
     }
     // primary_expression ::= UintConstant;
-    // primary_expression ::= FloatConstant;
+    primary_expression ::= FloatConstant(f) {
+        let ty = extra.types.fetch_or_append(Type {
+            name: None,
+            inner: TypeInner::Scalar {
+                kind: ScalarKind::Float,
+                width: 4,
+            }
+        });
+        let ch = extra.constants.fetch_or_append(Constant {
+            name: None,
+            specialization: None,
+            ty,
+            inner: ConstantInner::Float(f.1 as f64)
+        });
+        ExpressionRule {
+            expression: extra.context.expressions.append(Expression::Constant(ch)),
+            statements: vec![],
+        }
+    }
     // primary_expression ::= BoolConstant;
     // primary_expression ::= DoubleConstant;
-    // primary_expression ::= LeftParen expression RightParen;
+    primary_expression ::= LeftParen expression(e) RightParen {e}
 
     postfix_expression ::= primary_expression;
     postfix_expression ::= postfix_expression LeftBracket integer_expression RightBracket {
diff --git a/test-data/simple.vert b/test-data/simple.vert
index 2a0aaea1cc..515cc82a58 100644
--- a/test-data/simple.vert
+++ b/test-data/simple.vert
@@ -1,5 +1,5 @@
 #version 450 core
 
 void main() {
-    gl_Position = vec4(1);
+    gl_Position = vec4(1.0);
 }