Only check files that have been truly imported.

This commit is contained in:
Ginger Bill
2017-02-11 15:50:24 +00:00
parent 73d6a55f5c
commit 346aa5f71c
10 changed files with 286 additions and 201 deletions
+67 -44
View File
@@ -2337,26 +2337,6 @@ bool parse_expect_separator(AstFile *f, TokenKind separator, AstNode *param) {
return false;
}
AstNodeArray convert_to_ident_list(AstFile *f, AstNodeArray list) {
AstNodeArray idents = {0};
array_init_reserve(&idents, heap_allocator(), list.count);
// Convert to ident list
for_array(i, list) {
AstNode *ident = list.e[i];
switch (ident->kind) {
case AstNode_Ident:
case AstNode_BadExpr:
break;
default:
error_node(ident, "Expected an identifier");
ident = ast_ident(f, blank_token);
break;
}
array_add(&idents, ident);
}
return idents;
}
AstNode *parse_var_type(AstFile *f, bool allow_ellipsis) {
if (allow_ellipsis && f->curr_token.kind == Token_Ellipsis) {
Token tok = f->curr_token;
@@ -2377,16 +2357,24 @@ AstNode *parse_var_type(AstFile *f, bool allow_ellipsis) {
return type;
}
bool is_token_field_prefix(TokenKind kind) {
switch (kind) {
case Token_using:
case Token_no_alias:
// case Token_immutable:
return true;
}
return false;
}
u32 parse_field_prefixes(AstFile *f) {
i32 using_count = 0;
i32 no_alias_count = 0;
i32 immutable_count = 0;
bool loop = true;
while (loop) {
while (is_token_field_prefix(f->curr_token.kind)) {
switch (f->curr_token.kind) {
default: loop = false; break;
case Token_using: using_count += 1; next_token(f); break;
case Token_no_alias: no_alias_count += 1; next_token(f); break;
// case Token_immutable: immutable_count += 1; next_token(f); break;
@@ -2404,8 +2392,8 @@ u32 parse_field_prefixes(AstFile *f) {
return field_flags;
}
u32 check_field_prefixes(AstFile *f, AstNodeArray names, u32 allowed_flags, u32 set_flags) {
if (names.count > 1 && (set_flags&FieldFlag_using)) {
u32 check_field_prefixes(AstFile *f, isize name_count, u32 allowed_flags, u32 set_flags) {
if (name_count > 1 && (set_flags&FieldFlag_using)) {
syntax_error(f->curr_token, "Cannot apply `using` to more than one of the same type");
set_flags &= ~FieldFlag_using;
}
@@ -2425,19 +2413,54 @@ u32 check_field_prefixes(AstFile *f, AstNodeArray names, u32 allowed_flags, u32
return set_flags;
}
typedef struct AstNodeAndFlags {
AstNode *node;
u32 flags;
} AstNodeAndFlags;
typedef Array(AstNodeAndFlags) AstNodeAndFlagsArray;
AstNodeArray convert_to_ident_list(AstFile *f, AstNodeAndFlagsArray list, bool ignore_flags) {
AstNodeArray idents = {0};
array_init_reserve(&idents, heap_allocator(), list.count);
// Convert to ident list
for_array(i, list) {
AstNode *ident = list.e[i].node;
if (!ignore_flags) {
if (i != 0) {
error_node(ident, "Illegal use of prefixes in parameter list");
}
}
switch (ident->kind) {
case AstNode_Ident:
case AstNode_BadExpr:
break;
default:
error_node(ident, "Expected an identifier");
ident = ast_ident(f, blank_token);
break;
}
array_add(&idents, ident);
}
return idents;
}
AstNodeArray parse_field_list(AstFile *f, isize *name_count_, u32 allowed_flags,
TokenKind separator, TokenKind follow) {
AstNodeArray params = make_ast_node_array(f);
AstNodeArray list = make_ast_node_array(f);
isize name_count = 0;
AstNodeAndFlagsArray list = {0}; array_init(&list, heap_allocator()); // LEAK(bill):
isize total_name_count = 0;
bool allow_ellipsis = allowed_flags&FieldFlag_ellipsis;
u32 set_flags = parse_field_prefixes(f);
while (f->curr_token.kind != follow &&
f->curr_token.kind != Token_Colon &&
f->curr_token.kind != Token_EOF) {
u32 flags = parse_field_prefixes(f);
AstNode *param = parse_var_type(f, allow_ellipsis);
array_add(&list, param);
AstNodeAndFlags naf = {param, flags};
array_add(&list, naf);
if (f->curr_token.kind != Token_Comma) {
break;
}
@@ -2445,12 +2468,16 @@ AstNodeArray parse_field_list(AstFile *f, isize *name_count_, u32 allowed_flags,
}
if (f->curr_token.kind == Token_Colon) {
AstNodeArray names = convert_to_ident_list(f, list); // Copy for semantic reasons
AstNodeArray names = convert_to_ident_list(f, list, true); // Copy for semantic reasons
if (names.count == 0) {
syntax_error(f->curr_token, "Empty field declaration");
}
set_flags = check_field_prefixes(f, names, allowed_flags, set_flags);
name_count += names.count;
u32 set_flags = 0;
if (list.count > 0) {
set_flags = list.e[0].flags;
}
set_flags = check_field_prefixes(f, names.count, allowed_flags, set_flags);
total_name_count += names.count;
expect_token_after(f, Token_Colon, "field list");
AstNode *type = parse_var_type(f, allow_ellipsis);
@@ -2467,8 +2494,8 @@ AstNodeArray parse_field_list(AstFile *f, isize *name_count_, u32 allowed_flags,
syntax_error(f->curr_token, "Empty field declaration");
break;
}
set_flags = check_field_prefixes(f, names, allowed_flags, set_flags);
name_count += names.count;
set_flags = check_field_prefixes(f, names.count, allowed_flags, set_flags);
total_name_count += names.count;
expect_token_after(f, Token_Colon, "field list");
AstNode *type = parse_var_type(f, allow_ellipsis);
@@ -2480,25 +2507,25 @@ AstNodeArray parse_field_list(AstFile *f, isize *name_count_, u32 allowed_flags,
}
}
if (name_count_) *name_count_ = name_count;
if (name_count_) *name_count_ = total_name_count;
return params;
}
set_flags = check_field_prefixes(f, list, allowed_flags, set_flags);
for_array(i, list) {
AstNodeArray names = {0};
AstNode *type = list.e[i];
AstNode *type = list.e[i].node;
Token token = blank_token;
array_init_count(&names, heap_allocator(), 1);
token.pos = ast_node_token(type).pos;
names.e[0] = ast_ident(f, token);
u32 flags = check_field_prefixes(f, list.count, allowed_flags, list.e[i].flags);
AstNode *param = ast_field(f, names, list.e[i], set_flags);
AstNode *param = ast_field(f, names, list.e[i].node, flags);
array_add(&params, param);
}
if (name_count_) *name_count_ = name_count;
if (name_count_) *name_count_ = total_name_count;
return params;
}
@@ -2627,12 +2654,10 @@ AstNode *parse_type_or_ident(AstFile *f) {
f->expr_level = prev_level;
if (is_packed && is_ordered) {
syntax_error(token, "`#ordered` is not needed with `#packed` which implies ordering");
}
Token open = expect_token_after(f, Token_OpenBrace, "struct");
isize decl_count = 0;
AstNodeArray decls = parse_record_fields(f, &decl_count, FieldFlag_using, str_lit("struct"));
@@ -2685,12 +2710,10 @@ AstNode *parse_type_or_ident(AstFile *f) {
}
case Token_OpenParen: {
// NOTE(bill): Skip the paren expression
Token open = expect_token(f, Token_OpenParen);
AstNode *type = parse_type(f);
Token close = expect_token(f, Token_CloseParen);
return type;
// return ast_paren_expr(f, type, open, close);
return ast_paren_expr(f, type, open, close);
} break;
}