v2: handle unresolved consts

vlib/v/checker/checker.v

@@ -384,6 +384,13 @@ pub fn (c &Checker) expr(node ast.Expr) table.Type {
 				}
 				return info.typ
 			}
+			// Handle indents with unresolved types during the parsing step
+			// (declared after first usage)
+			else if it.kind == .blank_ident {
+				if constant := c.table.find_const(it.name) {
+					return constant.typ
+				}
+			}
 			return table.void_type
 		}
 		ast.BoolLiteral {

vlib/v/gen/cgen_test.v

@@ -33,7 +33,7 @@ fn test_c_files() {
 		}
 		else {
 			eprintln('${term_fail} ${i}')
-			eprintln('${path}: got\n{$res}')
+			eprintln('${path}: got\n$res')
 			assert false
 		}
 	}

vlib/v/gen/tests/1.c

@@ -8,7 +8,7 @@ void variadic(variadic_int a);
 void ensure_cap(int required, int cap);
 void println(string s);
 void matches();
-
+void end();
 int pi = 3;
 
 typedef struct {
@@ -30,7 +30,6 @@ int main() {
 
 void foo(int a) {
 	while (true) {
-
 	}
 	for (int i = 0;
 i < 10; i++;
@@ -92,6 +91,7 @@ multi_return_int_string multi_return() {
 }
 
 void variadic(variadic_int a) {
+	int x = path_sep;
 }
 
 void ensure_cap(int required, int cap) {
@@ -115,6 +115,9 @@ void matches() {
 
 	}
 	;
-	}
 }
 
+int path_sep = 10;
+
+void end() {
+}

vlib/v/gen/tests/1.vv

@@ -97,7 +97,7 @@ fn multi_return() (int,string) {
 }
 
 fn variadic(a ...int) {
-	//a := path_sep
+	x := path_sep
 }
 
 fn ensure_cap(required int, cap int) {
@@ -120,10 +120,12 @@ fn matches() {
 	}
 }
 
-/*
 const (
 	path_sep = 10
 )
-*/
+
+fn end() {
+
+}
 
 

vlib/v/parser/parser.v

@@ -437,8 +437,12 @@ pub fn (p mut Parser) parse_ident(is_c bool) (ast.Ident,table.Type) {
 			// Function object (not a call), e.g. `onclick(my_click)`
 			p.table.find_fn(name) or {
 				// ident.info = ast.IdentVar
-				p.error('parse_ident: unknown identifier `$name`')
-				exit(0)
+				node = ast.Ident{
+					kind: .blank_ident
+					name: name
+				}
+				return node,typ
+				// p.error('parse_ident: unknown identifier `$name`')
 			}
 			// p.next()
 		}