remove ScalarExpr

vlib/compiler2/ast/ast.v

@@ -10,11 +10,11 @@ import (
 
 struct Foo {}
 
-pub type Expr = Foo | IfExpr | BinaryExpr | ScalarExpr | UnaryExpr |
+pub type Expr = Foo | IfExpr | BinaryExpr | UnaryExpr |
-	StringLiteral  | IntegerExpr
+	StringLiteral  | IntegerLiteral
 pub type Stmt = Foo | VarDecl
 
-pub struct IntegerExpr {
+pub struct IntegerLiteral {
 pub:
 	val int
 }
@@ -66,16 +66,6 @@ pub:
 	right Expr
 }
 
-pub struct ScalarExpr {
-pub:
-	token token.Token
-	// op    BinaryOp
-	// op    token.Token
-	typ   token.Token
-	val   string
-	left  Expr
-}
-
 pub struct UnaryExpr {
 pub:
 	// token token.Token
@@ -102,9 +92,9 @@ pub fn (x Expr) str() string {
 		BinaryExpr {
 			return '(${it.left.str()}$it.op.str()${it.right.str()})'
 		}
-		ScalarExpr {
+		//ScalarExpr {
-			return '${it.left.str()}$it.val'
+			//return '${it.left.str()}$it.val'
-		}
+		//}
 		UnaryExpr {
 			return '${it.left.str()}$it.op.str()'
 		}

vlib/compiler2/cgen/cgen.v

@@ -44,15 +44,10 @@ const (
 fn (g mut Gen) expr(node ast.Expr) Type {
 	//println('cgen expr()')
 	match node {
-		ast.IntegerExpr {
+		ast.IntegerLiteral {
 			g.write(it.val.str())
 			return int_type
 		}
-		ast.ScalarExpr {
-			g.expr(it.left)
-			g.write(' $it.val ')
-
-		}
 		ast.UnaryExpr {
 			g.expr(it.left)
 			g.write(' $it.op ')

vlib/compiler2/parser/parser.v

@@ -64,10 +64,18 @@ pub fn (p mut Parser) expr(rbp int) ast.Expr {
 		else {
 			// TODO: fix bug. note odd conditon instead of else if (same below)
 			if tok.is_scalar() {
-				node = ast.ScalarExpr{
+				if tok == .str {
+					node = ast.StringLiteral {
 						val: lit
-					typ: tok
 					}
+				}	if tok == .number {
+					node = ast.IntegerLiteral {
+						val: lit.int()
+					}
+				}
+				//else {
+					//verror('bad scalar token')
+				//}
 			}
 			if !tok.is_scalar() && tok.is_unary() {
 				node = ast.UnaryExpr{
@@ -123,3 +131,8 @@ fn (p mut Parser) stmt() ast.Stmt {
 
 	return ast.VarDecl{}
 }
+
+fn verror(s string) {
+	println(s)
+	exit(1)
+}

vlib/compiler2/parser/parser_test.v

@@ -40,7 +40,7 @@ fn test_parser() {
 fn test_cgen() {
 	//expr := parse_expr('3 + 7 * 2')
 	//expr2 := parse_stmt('a := 3 + "f"')
-	expr2 := parse_expr('2 +3 ')//"helo"')
+	expr2 := parse_expr('2 + "helo"')
 	program := ast.Program{
 		exprs: [
 			expr2,