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parser: handle mut & receivers; fix checker_error_test

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This commit is contained in:
Alexander Medvednikov 2020-04-11 02:24:00 +02:00
parent 8fbae86bb3
commit 9422cd1009
3 changed files with 15 additions and 5 deletions
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7
vlib/v/checker/checker.v
View File

@ -64,12 +64,17 @@ pub fn (c mut Checker) check_files(ast_files []ast.File) {
if c.pref.build_mode == .build_module || c.pref.is_test {
return
}
if ast_files.len > 1 && ast_files[0].mod.name == 'builtin' {
// TODO hack to fix vv tests
return
}
for i, f in c.table.fns {
if f.name == 'main' {
return
}
}
eprintln('function `main` is undeclared in the main module')
//eprintln(ast_files[0].mod.name)
exit(1)
}
@ -531,7 +536,7 @@ pub fn (c mut Checker) selector_expr(selector_expr mut ast.SelectorExpr) table.T
pub fn (c mut Checker) return_stmt(return_stmt mut ast.Return) {
c.expected_type = c.fn_return_type
if return_stmt.exprs.len > 0 && c.fn_return_type == table.void_type {
c.error('1too many arguments to return, current function does not return anything',
c.error('too many arguments to return, current function does not return anything',
return_stmt.pos)
return
}

4
vlib/v/parser/fn.v
View File

@ -107,12 +107,16 @@ fn (p mut Parser) fn_decl() ast.FnDecl {
p.next()
rec_name = p.check_name()
rec_mut = p.tok.kind == .key_mut
is_amp := p.peek_tok.kind == .amp
// if rec_mut {
// p.check(.key_mut)
// }
// TODO: talk to alex, should mut be parsed with the type like this?
// or should it be a property of the arg, like this ptr/mut becomes indistinguishable
rec_type = p.parse_type()
if is_amp && rec_mut {
p.error('use `(f mut Foo)` or `(f &Foo)` instead of `(f mut &Foo)`')
}
args << table.Arg{
name: rec_name
is_mut: rec_mut

9
vlib/v/pref/default.v
View File

@ -3,8 +3,10 @@
// that can be found in the LICENSE file.
module pref
import os
import term
import (
os
term
)
pub const (
default_module_path = mpath()
@ -42,7 +44,6 @@ pub fn (p mut Preferences) fill_with_defaults() {
}
target_dir := if os.is_dir(rpath) { rpath } else { os.dir(rpath) }
p.out_name = os.join_path(target_dir, base)
if rpath == '$p.vroot/cmd/v' && os.is_dir('vlib/compiler') {
// Building V? Use v2, since we can't overwrite a running
// executable on Windows + the precompiled V is more
@ -61,7 +62,7 @@ pub fn (p mut Preferences) fill_with_defaults() {
if p.ccompiler == '' {
p.ccompiler = default_c_compiler()
}
p.is_test = p.path.ends_with('_test.v')
p.is_test = p.path.ends_with('_test.v') || p.path.ends_with('.vv')
p.is_script = p.path.ends_with('.v') || p.path.ends_with('.vsh')
if p.third_party_option == '' {
p.third_party_option = p.cflags