implement defer statement

mattn · Apr 4, 2018 · 983b8c5 · 983b8c5
1 parent 8ba6b1a
commit 983b8c5
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Showing 7 changed files with 997 additions and 821 deletions.
diff --git a/ast/expr.go b/ast/expr.go
@@ -104,6 +104,7 @@ type CallExpr struct {
 	SubExprs []Expr
 	VarArg   bool
 	Go       bool
+	Defer    bool
 }
 
 // AnonCallExpr provide anonymous calling expression. ex: func(){}().
@@ -113,6 +114,7 @@ type AnonCallExpr struct {
 	SubExprs []Expr
 	VarArg   bool
 	Go       bool
+	Defer    bool
 }
 
 // MemberExpr provide expression to refer member.

diff --git a/ast/stmt.go b/ast/stmt.go
@@ -138,3 +138,9 @@ type GoroutineStmt struct {
 	StmtImpl
 	Expr Expr
 }
+
+// DeferStmt provide statement of defer.
+type DeferStmt struct {
+	StmtImpl
+	Expr Expr
+}
diff --git a/parser/lexer.go b/parser/lexer.go
@@ -62,6 +62,7 @@ var opName = map[string]int{
 	"case":     CASE,
 	"default":  DEFAULT,
 	"go":       GO,
+	"defer":    DEFER,
 	"chan":     CHAN,
 	"make":     MAKE,
 	"type":     TYPE,