Add parser

open-gpdb · Aug 2, 2024 · 4533d31 · 4533d31
1 parent d0de610
commit 4533d31
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diff --git a/pkg/core/parser/.gitignore b/pkg/core/parser/.gitignore
@@ -0,0 +1 @@
+y.output
diff --git a/pkg/core/parser/Makefile b/pkg/core/parser/Makefile
@@ -0,0 +1,6 @@
+yaccgen:
+	goyacc -o gram.go -p yy gram.y
+gen:
+	ragel -Z -G2 -o lex.go lex.rl
+
+build: gen yaccgen
diff --git a/pkg/core/parser/ast.go b/pkg/core/parser/ast.go
@@ -0,0 +1,9 @@
+package parser
+
+type Node interface {
+	iNode()
+}
+
+type SayHelloCommand struct {
+	Node
+}