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#import and #load

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#import - imported entities will not get exported
#load   - loaded entities will get exported
This commit is contained in:
Ginger Bill
2016-09-16 19:46:48 +01:00
parent 968de5aae8
commit eb424bb315
9 changed files with 290 additions and 56 deletions
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17
src/parser.cpp
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@@ -246,6 +246,7 @@ AST_NODE_KIND(_DeclBegin, "", struct{}) \
Token token, relpath; \
String fullpath; \
Token import_name; \
b32 is_load; \
}) \
AST_NODE_KIND(ForeignSystemLibrary, "foreign system library", struct { Token token, filepath; }) \
AST_NODE_KIND(_DeclEnd, "", struct{}) \
@@ -896,11 +897,12 @@ gb_inline AstNode *make_type_decl(AstFile *f, Token token, AstNode *name, AstNod
return result;
}
gb_inline AstNode *make_import_decl(AstFile *f, Token token, Token relpath, Token import_name) {
gb_inline AstNode *make_import_decl(AstFile *f, Token token, Token relpath, Token import_name, b32 is_load) {
AstNode *result = make_node(f, AstNode_ImportDecl);
result->ImportDecl.token = token;
result->ImportDecl.relpath = relpath;
result->ImportDecl.import_name = import_name;
result->ImportDecl.is_load = is_load;
return result;
}
@@ -2585,10 +2587,21 @@ AstNode *parse_stmt(AstFile *f) {
import_name = expect_token(f, Token_Identifier);
if (f->curr_proc == NULL) {
return make_import_decl(f, s->TagStmt.token, file_path, import_name);
return make_import_decl(f, s->TagStmt.token, file_path, import_name, false);
}
ast_file_err(f, token, "You cannot use #import within a procedure. This must be done at the file scope.");
return make_bad_decl(f, token, file_path);
} else if (are_strings_equal(tag, make_string("load"))) {
// TODO(bill): better error messages
Token file_path = expect_token(f, Token_String);
Token import_name = file_path;
import_name.string = make_string("_");
if (f->curr_proc == NULL) {
return make_import_decl(f, s->TagStmt.token, file_path, import_name, true);
}
ast_file_err(f, token, "You cannot use #load within a procedure. This must be done at the file scope.");
return make_bad_decl(f, token, file_path);
} else if (are_strings_equal(tag, make_string("foreign_system_library"))) {
Token file_path = expect_token(f, Token_String);
if (f->curr_proc == NULL) {