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checker: fix match return type

pull/3929/head
Alexander Medvednikov 2020-03-03 17:29:16 +01:00
parent c633dd09c6
commit 0c67b3cff4
1 changed files with 7 additions and 5 deletions
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12
vlib/v/checker/checker.v
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@ -455,9 +455,8 @@ fn (c mut Checker) stmt(node ast.Stmt) {
// }
it.typ = typ
}
else {
println('checker.stmt(): unhandled node')
}
else {}
// println('checker.stmt(): unhandled node')
/*
println('1')
node_name := typeof(node)
@ -666,6 +665,7 @@ pub fn (c mut Checker) ident(ident mut ast.Ident) table.Type {
pub fn (c mut Checker) match_expr(node mut ast.MatchExpr) table.Type {
t := c.expr(node.cond)
mut ret_type := table.void_type
for i, block in node.blocks {
if i < node.match_exprs.len {
match_expr := node.match_exprs[i]
@ -679,7 +679,9 @@ pub fn (c mut Checker) match_expr(node mut ast.MatchExpr) table.Type {
// If the last statement is an expression, return its type
if block.stmts.len > 0 {
match block.stmts[block.stmts.len - 1] {
ast.ExprStmt {}
ast.ExprStmt {
ret_type = c.expr(it.expr)
}
// TODO: ask alex about this
// typ := c.expr(it.expr)
// type_sym := c.table.get_type_symbol(typ)
@ -691,7 +693,7 @@ pub fn (c mut Checker) match_expr(node mut ast.MatchExpr) table.Type {
}
}
node.typ = t
return t
return ret_type
}
pub fn (c mut Checker) if_expr(node mut ast.IfExpr) table.Type {