✨ antlr grammar

.gitignore

@@ -1 +1,2 @@
 jdr-server
+antlr/*

JdrScript.g4

@@ -0,0 +1,8 @@
+grammar JdrScript;
+
+//Tokens
+NUMBER: [0-9]+;
+WHITESPACE: [ \r\n\t]+ -> skip;
+
+//Rules
+start: NUMBER EOF;

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)