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Full Unicode Support

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This commit is contained in:
gingerBill
2016-08-15 14:54:45 +01:00
parent 3ed75b22a3
commit dcbb2fcfbd
16 changed files with 16019 additions and 116 deletions
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65
src/parser.cpp
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@@ -1605,6 +1605,61 @@ AstNode *parse_body(AstFile *f, AstScope *scope) {
return make_block_stmt(f, statement_list, statement_list_count, open, close);
}
b32 is_foreign_name_valid(String name) {
// TODO(bill): is_foreign_name_valid
if (name.len == 0)
return false;
isize offset = 0;
while (offset < name.len) {
Rune rune;
isize remaining = name.len - offset;
isize width = gb_utf8_decode(name.text+offset, remaining, &rune);
if (rune == GB_RUNE_INVALID && width == 1) {
return false;
} else if (rune == GB_RUNE_BOM && remaining > 0) {
return false;
}
if (offset == 0) {
switch (rune) {
case '-':
case '$':
case '.':
case '_':
break;
default:
if (!rune_is_letter(rune))
return false;
break;
}
} else {
switch (rune) {
case '-':
case '$':
case '.':
case '_':
break;
default:
if (!rune_is_letter(rune) && !rune_is_digit(rune)) {
return false;
}
break;
}
}
offset += width;
}
return true;
}
void check_proc_add_tag(AstFile *f, AstNode *tag_expr, u64 *tags, ProcTag tag, String tag_name) {
if (*tags & tag) {
ast_file_err(f, ast_node_token(tag_expr), "Procedure tag already used: %.*s", LIT(tag_name));
}
*tags |= tag;
}
AstNode *parse_proc_decl(AstFile *f, Token proc_token, AstNode *name) {
AstNode *param_list = NULL;
AstNode *result_list = NULL;
@@ -1623,20 +1678,20 @@ AstNode *parse_proc_decl(AstFile *f, Token proc_token, AstNode *name) {
ast_node(te, TagExpr, tag_expr);
String tag_name = te->name.string;
if (are_strings_equal(tag_name, make_string("foreign"))) {
tags |= ProcTag_foreign;
check_proc_add_tag(f, tag_expr, &tags, ProcTag_foreign, tag_name);
if (f->cursor[0].kind == Token_String) {
foreign_name = f->cursor[0].string;
// TODO(bill): Check if valid string
if (foreign_name.len == 0) {
if (!is_foreign_name_valid(foreign_name)) {
ast_file_err(f, ast_node_token(tag_expr), "Invalid alternative foreign procedure name");
}
next_token(f);
}
} else if (are_strings_equal(tag_name, make_string("inline"))) {
tags |= ProcTag_inline;
check_proc_add_tag(f, tag_expr, &tags, ProcTag_inline, tag_name);
} else if (are_strings_equal(tag_name, make_string("no_inline"))) {
tags |= ProcTag_no_inline;
check_proc_add_tag(f, tag_expr, &tags, ProcTag_no_inline, tag_name);
} else {
ast_file_err(f, ast_node_token(tag_expr), "Unknown procedure tag");
}
@@ -2155,8 +2210,6 @@ void parse_file(Parser *p, AstFile *f) {
char *path_str = gb_path_get_full_name(gb_heap_allocator(), cast(char *)str);
String import_file = make_string(path_str);
gb_printf_err("load path: %.*s\n", LIT(import_file));
if (!try_add_load_path(p, import_file)) {
gb_free(gb_heap_allocator(), import_file.text);
}