Foreign context cleanup

This commit is contained in:
gingerBill
2017-11-03 23:20:30 +00:00
parent 0b29e42adb
commit e7999f8450
4 changed files with 32 additions and 68 deletions
+23 -22
View File
@@ -411,7 +411,12 @@ GB_COMPARE_PROC(ast_node_cmp) {
return token_pos_cmp(i.pos, j.pos);
}
struct ForeignContext {
AstNode * curr_library;
ProcCallingConvention default_cc;
String link_prefix;
bool in_export;
};
struct CheckerContext {
Scope * file_scope;
@@ -422,11 +427,8 @@ struct CheckerContext {
String proc_name;
Type * type_hint;
DeclInfo * curr_proc_decl;
AstNode * curr_foreign_library;
ProcCallingConvention default_foreign_cc;
String foreign_link_prefix;
ForeignContext foreign_context;
bool in_foreign_export;
bool collect_delayed_decls;
bool allow_polymorphic_types;
bool no_polymorphic_errors;
@@ -1916,7 +1918,7 @@ void check_foreign_block_decl_attributes(Checker *c, AstNodeForeignBlockDecl *fb
if (cc == ProcCC_Invalid) {
error(elem, "Unknown procedure calling convention: `%.*s`\n", LIT(ev.value_string));
} else {
c->context.default_foreign_cc = cc;
c->context.foreign_context.default_cc = cc;
}
} else {
error(elem, "Expected a string value for `%.*s`", LIT(name));
@@ -1927,7 +1929,7 @@ void check_foreign_block_decl_attributes(Checker *c, AstNodeForeignBlockDecl *fb
if (!is_foreign_name_valid(link_prefix)) {
error(elem, "Invalid link prefix: `%.*s`\n", LIT(link_prefix));
} else {
c->context.foreign_link_prefix = link_prefix;
c->context.foreign_context.link_prefix = link_prefix;
}
} else {
error(elem, "Expected a string value for `%.*s`", LIT(name));
@@ -2053,20 +2055,20 @@ void check_collect_value_decl(Checker *c, AstNode *decl) {
Entity *e = make_entity_variable(c->allocator, c->context.scope, name->Ident.token, nullptr, false);
e->identifier = name;
if (vd->flags & VarDeclFlag_using) {
vd->flags &= ~VarDeclFlag_using; // NOTE(bill): This error will be only caught once
if (vd->is_using) {
vd->is_using = false; // NOTE(bill): This error will be only caught once
error(name, "`using` is not allowed at the file scope");
}
AstNode *fl = c->context.curr_foreign_library;
AstNode *fl = c->context.foreign_context.curr_library;
if (fl != nullptr) {
GB_ASSERT(fl->kind == AstNode_Ident);
e->Variable.is_foreign = true;
e->Variable.foreign_library_ident = fl;
e->Variable.link_prefix = c->context.foreign_link_prefix;
e->Variable.link_prefix = c->context.foreign_context.link_prefix;
} else if (c->context.in_foreign_export) {
} else if (c->context.foreign_context.in_export) {
e->Variable.is_export = true;
}
@@ -2105,7 +2107,7 @@ void check_collect_value_decl(Checker *c, AstNode *decl) {
Token token = name->Ident.token;
AstNode *fl = c->context.curr_foreign_library;
AstNode *fl = c->context.foreign_context.curr_library;
DeclInfo *d = make_declaration_info(c->allocator, c->context.scope, c->context.decl);
Entity *e = nullptr;
@@ -2135,16 +2137,16 @@ void check_collect_value_decl(Checker *c, AstNode *decl) {
auto cc = pl->type->ProcType.calling_convention;
if (cc == ProcCC_ForeignBlockDefault) {
cc = ProcCC_CDecl;
if (c->context.default_foreign_cc > 0) {
cc = c->context.default_foreign_cc;
if (c->context.foreign_context.default_cc > 0) {
cc = c->context.foreign_context.default_cc;
}
}
e->Procedure.link_prefix = c->context.foreign_link_prefix;
e->Procedure.link_prefix = c->context.foreign_context.link_prefix;
GB_ASSERT(cc != ProcCC_Invalid);
pl->type->ProcType.calling_convention = cc;
} else if (c->context.in_foreign_export) {
} else if (c->context.foreign_context.in_export) {
e->Procedure.is_export = true;
}
d->proc_lit = init;
@@ -2157,7 +2159,7 @@ void check_collect_value_decl(Checker *c, AstNode *decl) {
e->identifier = name;
if (e->kind != Entity_Procedure) {
if (fl != nullptr || c->context.in_foreign_export) {
if (fl != nullptr || c->context.foreign_context.in_export) {
AstNodeKind kind = init->kind;
error(name, "Only procedures and variables are allowed to be in a foreign block, got %.*s", LIT(ast_node_strings[kind]));
if (kind == AstNode_ProcType) {
@@ -2182,15 +2184,14 @@ void check_add_foreign_block_decl(Checker *c, AstNode *decl) {
AstNode *foreign_library = fb->foreign_library;
CheckerContext prev_context = c->context;
if (foreign_library->kind == AstNode_Ident) {
c->context.curr_foreign_library = foreign_library;
c->context.foreign_context.curr_library = foreign_library;
} else if (foreign_library->kind == AstNode_Implicit && foreign_library->Implicit.kind == Token_export) {
c->context.in_foreign_export = true;
c->context.foreign_context.in_export = true;
} else {
error(foreign_library, "Foreign block name must be an identifier or `export`");
c->context.curr_foreign_library = nullptr;
c->context.foreign_context.curr_library = nullptr;
}
check_foreign_block_decl_attributes(c, fb);