From a62bd009286dd22379e29fa9bd12c7c0e8aeccfe Mon Sep 17 00:00:00 2001
From: n0m1s <git@homnomnom.fr>
Date: Tue, 29 Oct 2019 22:58:04 +0100
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20antlr=20grammar?=
MIME-Version: 1.0
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---
 .gitignore   |  1 +
 JdrScript.g4 |  8 ++++++++
 makefile     | 15 +++++++++++----
 3 files changed, 20 insertions(+), 4 deletions(-)
 create mode 100644 JdrScript.g4

diff --git a/.gitignore b/.gitignore
index 7e6628f..c9c6fad 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 jdr-server
+antlr/*
diff --git a/JdrScript.g4 b/JdrScript.g4
new file mode 100644
index 0000000..a52b84a
--- /dev/null
+++ b/JdrScript.g4
@@ -0,0 +1,8 @@
+grammar JdrScript;
+
+//Tokens
+NUMBER: [0-9]+;
+WHITESPACE: [ \r\n\t]+ -> skip;
+
+//Rules
+start: NUMBER EOF;
diff --git a/makefile b/makefile
index d75f914..9ea9043 100644
--- a/makefile
+++ b/makefile
@@ -1,18 +1,25 @@
-GO := $(shell which go)
+GO    := $(shell which go)
+ANTLR := $(shell which antlr4)
 
 BINARY_NAME := jdr-server
 
-FILES = $(shell find . -type f -name '*.go')
+ANTLRDIR  := antlr
+ANTLRGRAM := JdrScript.g4
+ANTLRFILE := $(ANTLRDIR)/$(shell echo $(basename $(ANTLRGRAM)) | tr A-Z a-z)_parser.go
+
+GOFILES = $(shell find . -type f -name '*.go' -not -path '*/$(ANTLRDIR)/*')
 
 .PHONY: all run clean
 
 all: $(BINARY_NAME)
 
-$(BINARY_NAME): $(FILES)
-	$(GO) fmt $(addprefix ./, $(shell dirname $^ | sort | uniq))
+$(BINARY_NAME): $(ANTLRFILE) $(GOFILES)
 	$(GO) get
 	$(GO) build -o $@ -v
 
+$(ANTLRFILE): $(ANTLRGRAM)
+	$(ANTLR) -Dlanguage=Go -o $(ANTLRDIR) $<
+
 run: $(BINARY_NAME)
 	./$(BINARY_NAME)