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cgen: lots of fixes

pull/3902/head
Alexander Medvednikov 2020-03-05 00:43:02 +01:00
parent b7e2af8151
commit 4161cfcdb8
9 changed files with 104 additions and 67 deletions
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1
vlib/compiler/cc.v
View File

@ -199,6 +199,7 @@ fn (v mut V) cc() {
}
if debug_mode {
a << debug_options
a << ' -ferror-limit=5000 '
}
if v.pref.is_prod {
a << optimization_options

5
vlib/v/ast/ast.v
View File

@ -375,7 +375,8 @@ pub struct ForCStmt {
pub:
init Stmt // i := 0;
cond Expr // i < 10;
inc Stmt // i++;
//inc Stmt // i++;
inc Expr// i++;
stmts []Stmt
}
@ -388,7 +389,7 @@ pub struct ReturnStmt {
// #include etc
pub struct HashStmt {
pub:
name string
val string
}
// filter(), map()

3
vlib/v/checker/checker.v
View File

@ -444,7 +444,8 @@ fn (c mut Checker) stmt(node ast.Stmt) {
ast.ForCStmt {
c.stmt(it.init)
c.expr(it.cond)
c.stmt(it.inc)
// c.stmt(it.inc)
c.expr(it.inc)
for stmt in it.stmts {
c.stmt(stmt)
}

58
vlib/v/gen/cgen.v
View File

@ -54,7 +54,7 @@ pub fn (g mut Gen) init() {
for i, mr_typ in info.types {
field_type_sym := g.table.get_type_symbol(mr_typ)
type_name := field_type_sym.name.replace('.', '__')
g.definitions.writeln('\t$type_name arg_${i+1};')
g.definitions.writeln('\t$type_name arg${i};')
}
g.definitions.writeln('} $name;\n')
// g.typedefs.writeln('typedef struct $name $name;')
@ -115,11 +115,12 @@ fn (g mut Gen) stmt(node ast.Stmt) {
// TODO
}
ast.Attr {
g.writeln('[$it.name]')
g.writeln('//[$it.name]')
}
ast.BranchStmt {
// continue or break
g.writeln(it.tok.str())
g.write(it.tok.kind.str())
g.writeln(';')
}
ast.ConstDecl {
for i, field in it.fields {
@ -132,10 +133,10 @@ fn (g mut Gen) stmt(node ast.Stmt) {
}
ast.CompIf {
// TODO
g.write('#ifdef ')
g.writeln('//#ifdef ')
g.expr(it.cond)
g.stmts(it.stmts)
g.writeln('#endif')
g.writeln('//#endif')
}
ast.DeferStmt {
g.writeln('// defer')
@ -218,7 +219,8 @@ fn (g mut Gen) stmt(node ast.Stmt) {
// g.write('; ')
g.expr(it.cond)
g.write('; ')
g.stmt(it.inc)
//g.stmt(it.inc)
g.expr(it.inc)
g.writeln(') {')
for stmt in it.stmts {
g.stmt(stmt)
@ -226,7 +228,16 @@ fn (g mut Gen) stmt(node ast.Stmt) {
g.writeln('}')
}
ast.ForInStmt {
g.writeln('for')
if it.is_range {
i := g.new_tmp_var()
g.write('for (int $i = ')
g.expr(it.cond)
g.write('; $i < ')
g.expr(it.high)
g.writeln('; $i++) { ')
// g.stmts(it.stmts) TODO
g.writeln('}')
}
}
ast.ForStmt {
g.write('while (')
@ -245,7 +256,8 @@ fn (g mut Gen) stmt(node ast.Stmt) {
g.writeln('$it.name:')
}
ast.HashStmt {
g.writeln('#$it.name')
// #include etc
g.writeln('#$it.val')
}
ast.Import {}
ast.Return {
@ -303,7 +315,9 @@ fn (g mut Gen) expr(node ast.Expr) {
match node {
ast.ArrayInit {
type_sym := g.table.get_type_symbol(it.typ)
g.writeln('new_array_from_c_array($it.exprs.len, $it.exprs.len, sizeof($type_sym.name), {\t')
elem_sym := g.table.get_type_symbol(it.elem_type)
g.write('new_array_from_c_array($it.exprs.len, $it.exprs.len, sizeof($type_sym.name), ')
g.writeln('(${elem_sym.name}[]){\t')
for expr in it.exprs {
g.expr(expr)
g.write(', ')
@ -325,7 +339,11 @@ fn (g mut Gen) expr(node ast.Expr) {
g.write(it.val.str())
}
ast.CallExpr {
name := it.name.replace('.', '__')
mut name := it.name.replace('.', '__')
if it.is_c {
// Skip "C__"
name = name[3..]
}
g.write('${name}(')
g.call_args(it.args)
g.write(')')
@ -367,6 +385,25 @@ fn (g mut Gen) expr(node ast.Expr) {
tmp = g.new_tmp_var()
// g.writeln('$ti.name $tmp;')
}
// one line ?:
// TODO clean this up once `is` is supported
if it.stmts.len == 1 && it.else_stmts.len == 1 && type_sym.kind != .void {
cond := it.cond
stmt1 := it.stmts[0]
else_stmt1 := it.else_stmts[0]
match stmt1 {
ast.ExprStmt {
g.expr(cond)
g.write(' ? ')
expr_stmt := stmt1 as ast.ExprStmt
g.expr(expr_stmt.expr)
g.write(' : ')
g.stmt(else_stmt1)
}
else {}
}
}
else {
g.write('if (')
g.expr(it.cond)
g.writeln(') {')
@ -385,6 +422,7 @@ fn (g mut Gen) expr(node ast.Expr) {
g.writeln('}')
}
}
}
ast.IfGuardExpr {
g.write('/* guard */')
}

18
vlib/v/gen/tests/1.c
View File

@ -47,23 +47,22 @@ void foo(int a) {
while (true) {
}
for (int i = 0;
i < 10; i++;
) {
i < 10; i++) {
}
array_int nums = new_array_from_c_array(3, 3, sizeof(array_int), {
array_int nums = new_array_from_c_array(3, 3, sizeof(array_int), (void[]){
1, 2, 3,
});
array_int nums2 = array_slice(nums, 0, 2);
int number = nums[0];
array_bool bools = new_array_from_c_array(2, 2, sizeof(array_bool), {
array_bool bools = new_array_from_c_array(2, 2, sizeof(array_bool), (void[]){
true, false,
});
array_User users = new_array_from_c_array(1, 1, sizeof(array_User), {
array_User users = new_array_from_c_array(1, 1, sizeof(array_User), (void[]){
(User){
},
});
bool b = bools[0];
array_string mystrings = new_array_from_c_array(2, 2, sizeof(array_string), {
array_string mystrings = new_array_from_c_array(2, 2, sizeof(array_string), (void[]){
tos3("a"), tos3("b"),
});
string s = mystrings[0];
@ -116,12 +115,7 @@ multi_return_int_string multi_return() {
void variadic(variadic_int a) {
int x = path_sep;
int y = if (true) {
1;
}
else {
0;
}
int y = true ? 1 : 0;
;
}

4
vlib/v/gen/tests/2.c
View File

@ -65,8 +65,8 @@ void function2() {
}
void init_array() {
array_int nums = new_array_from_c_array(3, 3, sizeof(array_int), {
1, 2, 3,
array_int nums = new_array_from_c_array(3, 3, sizeof(array_int), (void[]){
4, 2, 3,
});
}

2
vlib/v/gen/tests/2.vv
View File

@ -61,7 +61,7 @@ fn function2() {
}
fn init_array() {
nums := [1,2,3]
nums := [4,2,3]
}

6
vlib/v/gen/tests/4.c
View File

@ -25,13 +25,13 @@ int main() {
string e = tos3("hello");
e = testb(111);
e = tos3("world");
array_int f = new_array_from_c_array(4, 4, sizeof(array_int), {
array_int f = new_array_from_c_array(4, 4, sizeof(array_int), (void[]){
testa(), 2, 3, 4,
});
array_string g = new_array_from_c_array(2, 2, sizeof(array_string), {
array_string g = new_array_from_c_array(2, 2, sizeof(array_string), (void[]){
testb(1), tos3("hello"),
});
array_Foo arr_foo = new_array_from_c_array(1, 1, sizeof(array_Foo), {
array_Foo arr_foo = new_array_from_c_array(1, 1, sizeof(array_Foo), (void[]){
a,
});
Foo af_idx_el = arr_foo[0];

10
vlib/v/parser/parser.v
View File

@ -1052,7 +1052,8 @@ fn (p mut Parser) for_statement() ast.Stmt {
else if p.peek_tok.kind in [.decl_assign, .assign, .semicolon] || p.tok.kind == .semicolon {
mut init := ast.Stmt{}
mut cond := ast.Expr{}
mut inc := ast.Stmt{}
//mut inc := ast.Stmt{}
mut inc := ast.Expr{}
if p.peek_tok.kind in [.assign, .decl_assign] {
init = p.var_decl_and_assign_stmt()
}
@ -1074,7 +1075,8 @@ fn (p mut Parser) for_statement() ast.Stmt {
}
p.check(.semicolon)
if p.tok.kind != .lcbr {
inc = p.stmt()
//inc = p.stmt()
inc,_ = p.expr(0)
}
stmts := p.parse_block()
p.close_scope()
@ -1662,9 +1664,10 @@ fn (p mut Parser) var_decl_and_assign_stmt() ast.Stmt {
// pub fn (p mut Parser) assign_stmt() ast.AssignStmt {}
// fn (p mut Parser) var_decl() ast.VarDecl {}
fn (p mut Parser) hash() ast.HashStmt {
val := p.tok.lit
p.next()
return ast.HashStmt{
name: p.tok.lit
val: val
}
}
@ -1747,7 +1750,6 @@ fn (p mut Parser) match_expr() ast.MatchExpr {
branches << ast.MatchBranch{
exprs: exprs
stmts: stmts
}
p.close_scope()
if p.tok.kind == .rcbr {