From 4e2dc0a0728b280d2ff01da452eea319b660187c Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Sun, 22 Oct 2017 12:45:50 +0200
Subject: Initial import for parser

---
 Cargo.toml          |  5 +++++
 build.rs            |  6 ++++++
 src/grammar.rustpeg |  2 ++
 src/lib.rs          |  4 ++++
 src/parser.rs       | 20 ++++++++++++++++++++
 5 files changed, 37 insertions(+)
 create mode 100644 build.rs
 create mode 100644 src/grammar.rustpeg
 create mode 100644 src/parser.rs

diff --git a/Cargo.toml b/Cargo.toml
index 5752988..bc8f016 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,12 +12,17 @@ license     = "MPL-2.0"
 
 repository    = "https://github.com/matthiasbeyer/kairos"
 
+build = "build.rs"
+
 [dependencies]
 chrono = "0.4"
 error-chain = "0.10"
 
 filters = { version  = "0.1.1", optional = true }
 
+[build-dependencies]
+peg = { version = "0.5" }
+
 [dev-dependencies]
 env_logger = "0.4"
 log        = "0.3"
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..af09e85
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,6 @@
+extern crate peg;
+
+fn main() {
+    peg::cargo_build("src/grammar.rustpeg");
+}
+
diff --git a/src/grammar.rustpeg b/src/grammar.rustpeg
new file mode 100644
index 0000000..36a3fa0
--- /dev/null
+++ b/src/grammar.rustpeg
@@ -0,0 +1,2 @@
+use timetype::TimeType;
+
diff --git a/src/lib.rs b/src/lib.rs
index 7aeab51..8f7fed9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,6 +2,9 @@
 extern crate error_chain;
 extern crate chrono;
 
+#[macro_use]
+extern crate peg;
+
 #[cfg(feature = "with-filters")]
 extern crate filters;
 
@@ -17,5 +20,6 @@ pub mod iter;
 pub mod timetype;
 pub mod indicator;
 pub mod matcher;
+pub mod parser;
 mod util;
 
diff --git a/src/parser.rs b/src/parser.rs
new file mode 100644
index 0000000..83c05a1
--- /dev/null
+++ b/src/parser.rs
@@ -0,0 +1,20 @@
+//! The definition of the "kairos" syntax, for parsing user input into TimeType objects
+//!
+//! The syntax itself is described in the grammar.rustpeg file.
+//! Here goes a documentation on the syntax
+//!
+//! # Syntax
+//!
+//!
+//!
+//!
+//!
+//!
+//!
+//!
+//!
+
+mod grammar {
+    include!(concat!(env!("OUT_DIR"), "/grammar.rs"));
+}
+
-- 
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