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-rw-r--r--Makefile2
-rw-r--r--ast.c1
-rw-r--r--ast.h7
-rw-r--r--compile.c77
-rw-r--r--environment.c4
-rw-r--r--interfaces.c125
-rw-r--r--interfaces.h10
-rw-r--r--parse.c37
-rw-r--r--typecheck.c73
-rw-r--r--types.c38
-rw-r--r--types.h7
11 files changed, 12 insertions, 369 deletions
diff --git a/Makefile b/Makefile
index af7bb2d1..d8a659fd 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,7 @@ BUILTIN_OBJS=builtins/array.o builtins/bool.o builtins/nums.o builtins/functions
all: libtomo.so tomo
-tomo: tomo.c SipHash/halfsiphash.o ast.o parse.o environment.o types.o typecheck.o structs.o enums.o interfaces.o compile.o repl.o
+tomo: tomo.c SipHash/halfsiphash.o ast.o parse.o environment.o types.o typecheck.o structs.o enums.o compile.o repl.o
libtomo.so: $(BUILTIN_OBJS) SipHash/halfsiphash.o
$(CC) $^ $(CFLAGS) $(EXTRA) $(CWARN) $(G) $(O) $(OSFLAGS) -lgc -lcord -lm -lunistring -ldl -Wl,-soname,libtomo.so -shared -o $@
diff --git a/ast.c b/ast.c
index 9199a567..b9a2a3e8 100644
--- a/ast.c
+++ b/ast.c
@@ -136,7 +136,6 @@ CORD ast_to_xml(ast_t *ast)
T(StructDef, "<StructDef name=\"%s\">%r<namespace>%r</namespace></StructDef>", data.name, arg_list_to_xml(data.fields), ast_to_xml(data.namespace))
T(EnumDef, "<EnumDef name=\"%s\"><tags>%r</tags><namespace>%r</namespace></EnumDef>", data.name, tags_to_xml(data.tags), ast_to_xml(data.namespace))
T(LangDef, "<LangDef name=\"%s\">%r</LangDef>", data.name, ast_to_xml(data.namespace))
- T(InterfaceDef, "<InterfaceDef name=\"%s\">%r</InterfaceDef>", data.name, arg_list_to_xml(data.fields))
T(Index, "<Index>%r%r</Index>", optional_tagged("indexed", data.indexed), optional_tagged("index", data.index))
T(FieldAccess, "<FieldAccess field=\"%s\">%r</FieldAccess>", data.field, ast_to_xml(data.fielded))
T(Optional, "<Optional>%r</Optional>", ast_to_xml(data.value))
diff --git a/ast.h b/ast.h
index 97bbd886..4307532b 100644
--- a/ast.h
+++ b/ast.h
@@ -111,7 +111,7 @@ typedef enum {
Skip, Stop, Pass,
Return,
Extern,
- StructDef, EnumDef, LangDef, InterfaceDef,
+ StructDef, EnumDef, LangDef,
Index, FieldAccess, Optional,
DocTest,
Use,
@@ -250,11 +250,6 @@ struct ast_s {
ast_t *namespace;
} LangDef;
struct {
- const char *name;
- arg_ast_t *fields;
- ast_t *namespace;
- } InterfaceDef;
- struct {
ast_t *indexed, *index;
bool unchecked;
} Index;
diff --git a/compile.c b/compile.c
index 106c62b3..2003e64f 100644
--- a/compile.c
+++ b/compile.c
@@ -10,7 +10,6 @@
#include "compile.h"
#include "enums.h"
#include "structs.h"
-#include "interfaces.h"
#include "environment.h"
#include "typecheck.h"
#include "builtins/util.h"
@@ -116,10 +115,6 @@ CORD compile_type(env_t *env, type_t *t)
auto e = Match(t, EnumType);
return CORD_all(e->env->file_prefix, e->name, "_t");
}
- case InterfaceType: {
- auto s = Match(t, InterfaceType);
- return CORD_all(s->env->file_prefix, s->name, "_t");
- }
case TypeInfoType: return "TypeInfo";
default: compiler_err(NULL, NULL, NULL, "Not implemented");
}
@@ -446,10 +441,6 @@ CORD compile_statement(env_t *env, ast_t *ast)
compile_namespace(env, def->name, def->namespace);
return CORD_EMPTY;
}
- case InterfaceDef: {
- compile_interface_def(env, ast);
- return CORD_EMPTY;
- }
case FunctionDef: {
auto fndef = Match(ast, FunctionDef);
bool is_private = Match(fndef->name, Var)->name[0] == '_';
@@ -862,7 +853,7 @@ CORD expr_as_text(env_t *env, CORD expr, type_t *t, CORD color)
case TableType: return CORD_asprintf("Table$as_text(stack(%r), %r, %r)", expr, color, compile_type_info(env, t));
case FunctionType: case ClosureType: return CORD_asprintf("Func$as_text(stack(%r), %r, %r)", expr, color, compile_type_info(env, t));
case PointerType: return CORD_asprintf("Pointer$as_text(stack(%r), %r, %r)", expr, color, compile_type_info(env, t));
- case StructType: case EnumType: case InterfaceType:
+ case StructType: case EnumType:
return CORD_asprintf("(%r)->CustomInfo.as_text(stack(%r), %r, %r)",
compile_type_info(env, t), expr, color, compile_type_info(env, t));
default: compiler_err(NULL, NULL, NULL, "Stringifying is not supported for %T", t);
@@ -1651,35 +1642,6 @@ CORD compile(env_t *env, ast_t *ast)
return CORD_all("Table$clear(", self, ")");
} else code_err(ast, "There is no '%s' method for tables", call->name);
}
- case InterfaceType: {
- auto methodcall = Match(ast, MethodCall);
- binding_t *b = get_namespace_binding(env, methodcall->self, methodcall->name);
- if (b) {
- type_t *fn_t = get_method_type(env, methodcall->self, methodcall->name);
- arg_ast_t *args = new(arg_ast_t, .value=methodcall->self, .next=methodcall->args);
- return CORD_all(b->code, "(", compile_arguments(env, ast, Match(fn_t, FunctionType)->args, args), ")");
- } else {
- auto interface = Match(self_value_t, InterfaceType);
- for (arg_t *field = interface->fields; field; field = field->next) {
- if (streq(field->name, methodcall->name)) {
- env_t tmp_env = *env;
- tmp_env.types = new(table_t, .fallback=tmp_env.types);
- Table$str_set(tmp_env.types, interface->type_parameter, self_value_t);
- type_t *field_t = field->type;
- if (field_t->tag == ClosureType)
- field_t = Match(field_t, ClosureType)->fn;
-
- arg_t *type_args = Match(field_t, FunctionType)->args;
- CORD args = compile_arguments(env, ast, type_args->next, methodcall->args);
- return CORD_all("({ ", compile_type(env, self_value_t), " $self = ",
- compile_to_pointer_depth(env, methodcall->self, 0, false), "; ",
- "$self.", methodcall->name, "($self.$obj",
- args == CORD_EMPTY ? CORD_EMPTY : ", ", args, "); })");
- }
- }
- code_err(ast, "There is no method called '%s' on the interface type %s", methodcall->name, interface->name);
- }
- }
default: {
auto methodcall = Match(ast, MethodCall);
type_t *fn_t = get_method_type(env, methodcall->self, methodcall->name);
@@ -1703,34 +1665,6 @@ CORD compile(env_t *env, ast_t *ast)
fn_t = Type(FunctionType, .args=Match(t, StructType)->fields, .ret=t);
CORD fn = compile(env, call->fn);
return CORD_all(fn, "(", compile_arguments(env, ast, Match(fn_t, FunctionType)->args, call->args), ")");
- } else if (t->tag == InterfaceType) {
- // Interface constructor:
- if (!call->args) code_err(ast, "You need to provide an argument to this interface constructor");
- if (call->args->next) code_err(ast, "This interface constructor only takes one argument");
- auto interface = Match(t, InterfaceType);
- ast_t *impl = call->args->value;
- type_t *impl_t = get_type(env, impl);
- if (impl_t->tag != PointerType) {
- impl = WrapAST(impl, HeapAllocate, impl);
- impl_t = Type(PointerType, .pointed=impl_t);
- }
- CORD c = CORD_all("({ ", compile_type(env, impl_t), " $impl = ", compile(env, impl), "; (", compile_type(env, t), "){$impl");
- for (arg_t *field = interface->fields->next; field; field = field->next) {
- binding_t *b = get_namespace_binding(env, impl, field->name);
- if (b) {
- // TODO: typecheck implementation!
- CORD field_code = b->code;
- if (!promote(env, &field_code, b->type, field->type))
- code_err(ast, "I can't promote the method '%s' from %T to %T", field->name, b->type, field->type);
- c = CORD_all(c, ", ", field_code);
- } else {
- type_t *member_t = get_field_type(impl_t, field->name);
- if (!member_t)
- code_err(ast, "The type %T doesn't have '%s' for the interface %T", impl_t, field->name, t);
- c = CORD_all(c, ", &$impl->", field->name);
- }
- }
- return CORD_cat(c, "};})");
} else if (t->tag == IntType || t->tag == NumType) {
// Int/Num constructor:
if (!call->args || call->args->next)
@@ -1901,9 +1835,6 @@ CORD compile(env_t *env, ast_t *ast)
}
code_err(ast, "There is no '%s' field on tables", f->field);
}
- case InterfaceType: {
- return CORD_all("(*(", compile_to_pointer_depth(env, f->fielded, 0, false), ").", f->field, ")");
- }
case ModuleType: {
const char *name = Match(value_t, ModuleType)->name;
env_t *module_env = Table$str_get(*env->imports, name);
@@ -1969,7 +1900,7 @@ CORD compile(env_t *env, ast_t *ast)
case Extern: code_err(ast, "Externs are not supported yet");
case TableEntry: code_err(ast, "Table entries should not be compiled directly");
case Declare: case Assign: case UpdateAssign: case For: case While: case StructDef: case LangDef:
- case EnumDef: case FunctionDef: case InterfaceDef: case Skip: case Stop: case Pass: case Return: case DocTest:
+ case EnumDef: case FunctionDef: case Skip: case Stop: case Pass: case Return: case DocTest:
code_err(ast, "This is not a valid expression");
case Unknown: code_err(ast, "Unknown AST");
}
@@ -2025,10 +1956,6 @@ CORD compile_type_info(env_t *env, type_t *t)
auto e = Match(t, EnumType);
return CORD_all("(&", e->env->file_prefix, e->name, ")");
}
- case InterfaceType: {
- auto i = Match(t, InterfaceType);
- return CORD_all("(&", i->env->file_prefix, i->name, ")");
- }
case ArrayType: {
type_t *item_t = Match(t, ArrayType)->item_type;
return CORD_asprintf("$ArrayInfo(%r)", compile_type_info(env, item_t));
diff --git a/environment.c b/environment.c
index f19b7498..2767340f 100644
--- a/environment.c
+++ b/environment.c
@@ -324,10 +324,6 @@ binding_t *get_namespace_binding(env_t *env, ast_t *self, const char *name)
auto enum_ = Match(cls_type, EnumType);
return enum_->env ? get_binding(enum_->env, name) : NULL;
}
- case InterfaceType: {
- auto interface = Match(cls_type, InterfaceType);
- return interface->env ? get_binding(interface->env, name) : NULL;
- }
case TypeInfoType: {
auto info = Match(cls_type, TypeInfoType);
return info->env ? get_binding(info->env, name) : NULL;
diff --git a/interfaces.c b/interfaces.c
deleted file mode 100644
index 6406a9ce..00000000
--- a/interfaces.c
+++ /dev/null
@@ -1,125 +0,0 @@
-// Logic for compiling interfaces
-#include <ctype.h>
-#include <gc/cord.h>
-#include <gc.h>
-#include <stdio.h>
-
-#include "ast.h"
-#include "builtins/text.h"
-#include "compile.h"
-#include "interfaces.h"
-#include "environment.h"
-#include "typecheck.h"
-#include "builtins/util.h"
-
-static CORD compile_str_method(env_t *env, ast_t *ast)
-{
- auto def = Match(ast, InterfaceDef);
- CORD full_name = CORD_cat(env->file_prefix, def->name);
- const char *name = def->name;
- const char *dollar = strrchr(name, '$');
- if (dollar) name = dollar + 1;
- CORD str_func = CORD_asprintf("static CORD %r$as_text(%r_t *interface, bool use_color) {\n"
- "\tif (!interface) return \"%s\";\n", full_name, full_name, name);
- return CORD_all(str_func, "\treturn CORD_asprintf(use_color ? \"\\x1b[0;1m", name, "\\x1b[m<\\x1b[36m%p\\x1b[m>\" : \"", name, "<%p>\", interface->$obj);\n}");
-}
-
-static CORD compile_compare_method(env_t *env, ast_t *ast)
-{
- auto def = Match(ast, InterfaceDef);
- CORD full_name = CORD_cat(env->file_prefix, def->name);
- return CORD_all("static int ", full_name, "$compare(const ", full_name, "_t *x, const ", full_name,
- "_t *y, const TypeInfo *info) {\n"
- "(void)info;\n",
- "return (x->$obj > y->$obj) - (x->$obj < y->$obj);\n}");
-}
-
-static CORD compile_equals_method(env_t *env, ast_t *ast)
-{
- auto def = Match(ast, InterfaceDef);
- CORD full_name = CORD_cat(env->file_prefix, def->name);
- return CORD_all("static bool ", full_name, "$equal(const ", full_name, "_t *x, const ", full_name,
- "_t *y, const TypeInfo *info) {\n"
- "(void)info;\n",
- "return (x->$obj == y->$obj);\n}");
-}
-
-static CORD compile_hash_method(env_t *env, ast_t *ast)
-{
- auto def = Match(ast, InterfaceDef);
- CORD full_name = CORD_cat(env->file_prefix, def->name);
- return CORD_all("static uint32_t ", full_name, "$hash(const ", full_name, "_t *interface, const TypeInfo *info) {\n"
- "(void)info;\n"
- "uint32_t hash;\n"
- "halfsiphash(&interface->$obj, sizeof(void*), TOMO_HASH_VECTOR, (uint8_t*)&hash, sizeof(hash));\n"
- "return hash;\n}\n");
-}
-
-void compile_interface_def(env_t *env, ast_t *ast)
-{
- auto def = Match(ast, InterfaceDef);
- CORD full_name = CORD_cat(env->file_prefix, def->name);
- CORD_appendf(&env->code->typedefs, "typedef struct %r_s %r_t;\n", full_name, full_name);
- CORD_appendf(&env->code->typedefs, "#define %r(...) ((%r_t){__VA_ARGS__})\n", full_name, full_name);
-
- CORD_appendf(&env->code->typecode, "struct %r_s {\nvoid *$obj;\n", full_name);
- for (arg_ast_t *field = def->fields; field; field = field->next) {
- type_t *field_t = parse_type_ast(env, field->type);
- if (field_t->tag == ClosureType) {
- field_t = Match(field_t, ClosureType)->fn;
- // Convert to method:
- field_t = Type(FunctionType, .args=new(arg_t, .name="$obj", .type=Type(PointerType, .pointed=Type(MemoryType)),
- .next=Match(field_t, FunctionType)->args),
- .ret=Match(field_t, FunctionType)->ret);
- } else {
- field_t = Type(PointerType, .pointed=field_t);
- }
- CORD decl = compile_declaration(env, field_t, field->name);
- CORD_appendf(&env->code->typecode, "%r%s;\n", decl,
- field_t->tag == BoolType ? ":1" : "");
- }
- CORD_appendf(&env->code->typecode, "};\n");
-
- // Typeinfo:
- CORD_appendf(&env->code->typedefs, "extern const TypeInfo %r;\n", full_name);
-
- type_t *t = Table$str_get(*env->types, def->name);
- assert(t && t->tag == InterfaceType);
- auto interface = Match(t, InterfaceType);
- CORD typeinfo = CORD_asprintf("public const TypeInfo %r = {%zu, %zu, {.tag=CustomInfo, .CustomInfo={",
- full_name, type_size(t), type_align(t));
-
- typeinfo = CORD_all(typeinfo, ".as_text=(void*)", full_name, "$as_text, ");
- env->code->funcs = CORD_all(env->code->funcs, compile_str_method(env, ast));
-
- if (interface->fields && !interface->fields->next) { // Single member, can just use its methods
- type_t *member_t = interface->fields->type;
- switch (member_t->tag) {
- case TextType:
- typeinfo = CORD_all(typeinfo, ".hash=(void*)", type_to_cord(member_t), "$hash", ", ");
- // fallthrough
- case IntType: case NumType:
- typeinfo = CORD_all(typeinfo, ".compare=(void*)", type_to_cord(member_t), "$compare, "
- ".equal=(void*)", type_to_cord(member_t), "$equal, ");
- // fallthrough
- case BoolType: goto got_methods;
- default: break;
- }
- }
- if (interface->fields) {
- env->code->funcs = CORD_all(env->code->funcs, compile_compare_method(env, ast),
- compile_equals_method(env, ast), compile_hash_method(env, ast));
- typeinfo = CORD_all(
- typeinfo,
- ".compare=(void*)", full_name, "$compare, "
- ".equal=(void*)", full_name, "$equal, "
- ".hash=(void*)", full_name, "$hash");
- }
- got_methods:;
- typeinfo = CORD_cat(typeinfo, "}}};\n");
- env->code->typeinfos = CORD_all(env->code->typeinfos, typeinfo);
-
- compile_namespace(env, def->name, def->namespace);
-}
-
-// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
diff --git a/interfaces.h b/interfaces.h
deleted file mode 100644
index 47dc4790..00000000
--- a/interfaces.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#pragma once
-
-// Compilation of user-defined interfaces
-
-#include "ast.h"
-#include "environment.h"
-
-void compile_interface_def(env_t *env, ast_t *ast);
-
-// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
diff --git a/parse.c b/parse.c
index 7e9c246d..cdebf0fb 100644
--- a/parse.c
+++ b/parse.c
@@ -91,7 +91,6 @@ static PARSER(parse_var);
static PARSER(parse_enum_def);
static PARSER(parse_struct_def);
static PARSER(parse_lang_def);
-static PARSER(parse_interface_def);
static PARSER(parse_text);
static PARSER(parse_func_def);
static PARSER(parse_extern);
@@ -1598,7 +1597,6 @@ PARSER(parse_namespace) {
if ((stmt=optional(ctx, &pos, parse_struct_def))
||(stmt=optional(ctx, &pos, parse_enum_def))
||(stmt=optional(ctx, &pos, parse_lang_def))
- ||(stmt=optional(ctx, &pos, parse_interface_def))
||(stmt=optional(ctx, &pos, parse_func_def))
||(stmt=optional(ctx, &pos, parse_use))
||(stmt=optional(ctx, &pos, parse_linker))
@@ -1634,7 +1632,6 @@ PARSER(parse_file_body) {
if ((stmt=optional(ctx, &pos, parse_struct_def))
||(stmt=optional(ctx, &pos, parse_enum_def))
||(stmt=optional(ctx, &pos, parse_lang_def))
- ||(stmt=optional(ctx, &pos, parse_interface_def))
||(stmt=optional(ctx, &pos, parse_func_def))
||(stmt=optional(ctx, &pos, parse_use))
||(stmt=optional(ctx, &pos, parse_linker))
@@ -1812,40 +1809,6 @@ PARSER(parse_lang_def) {
return NewAST(ctx->file, start, pos, LangDef, .name=name, .namespace=namespace);
}
-PARSER(parse_interface_def) {
- // interface Name(T; field:type, ...): namespace...
- const char *start = pos;
- if (!match_word(&pos, "interface")) return NULL;
- int64_t starting_indent = get_indent(ctx, pos);
- spaces(&pos);
- const char *name = get_id(&pos);
- if (!name)
- parser_err(ctx, start, pos, "I expected a name for this interface");
- spaces(&pos);
-
- if (!match(&pos, "("))
- parser_err(ctx, pos, pos, "I expected a '(' and a list of fields here");
- whitespace(&pos);
- arg_ast_t *fields = parse_args(ctx, &pos, false);
- whitespace(&pos);
- expect_closing(ctx, &pos, ")", "I wasn't able to parse the rest of this interface definition");
-
- ast_t *namespace = NULL;
- if (match(&pos, ":")) {
- const char *ns_pos = pos;
- whitespace(&ns_pos);
- int64_t ns_indent = get_indent(ctx, ns_pos);
- if (ns_indent > starting_indent) {
- pos = ns_pos;
- namespace = optional(ctx, &pos, parse_namespace);
- }
- }
- if (!namespace)
- namespace = NewAST(ctx->file, pos, pos, Block, .statements=NULL);
-
- return NewAST(ctx->file, start, pos, InterfaceDef, .name=name, .fields=fields, .namespace=namespace);
-}
-
arg_ast_t *parse_args(parse_ctx_t *ctx, const char **pos, bool allow_unnamed)
{
arg_ast_t *args = NULL;
diff --git a/typecheck.c b/typecheck.c
index 3b70e26e..87f7544c 100644
--- a/typecheck.c
+++ b/typecheck.c
@@ -263,46 +263,6 @@ void bind_statement(env_t *env, ast_t *statement)
bind_statement(ns_env, stmt->ast);
break;
}
- case InterfaceDef: {
- auto def = Match(statement, InterfaceDef);
- if (get_binding(env, def->name))
- code_err(statement, "A %T called '%s' has already been defined", get_binding(env, def->name)->type, def->name);
-
- env_t *ns_env = namespace_env(env, def->name);
-
- arg_t *fields = new(arg_t, .name="$obj", .type=Type(PointerType, .pointed=Type(MemoryType))); // interface implementor
- type_t *type = Type(InterfaceType, .name=def->name, .fields=fields, .opaque=true, .env=ns_env); // placeholder
- Table$str_set(env->types, def->name, type);
- for (arg_ast_t *field_ast = def->fields; field_ast; field_ast = field_ast->next) {
- if (!field_ast->type)
- code_err(field_ast->value, "Interface fields must have defined types, not default values");
- type_t *field_t = parse_type_ast(env, field_ast->type);
- if (field_t->tag == ClosureType) {
- field_t = Match(field_t, ClosureType)->fn;
- // Convert to method:
- field_t = Type(FunctionType, .args=new(arg_t, .name="$obj", .type=Type(PointerType, .pointed=Type(MemoryType)),
- .next=Match(field_t, FunctionType)->args),
- .ret=Match(field_t, FunctionType)->ret);
- } else if ((field_t->tag == InterfaceType && Match(field_t, InterfaceType)->opaque)
- || (field_t->tag == EnumType && Match(field_t, EnumType)->opaque)) {
- code_err(field_ast->type, "This type is recursive and would create an infinitely sized interface. Try using a pointer.");
- } else {
- field_t = Type(PointerType, .pointed=field_t);
- }
- fields = new(arg_t, .name=field_ast->name, .type=field_t, .default_val=field_ast->value, .next=fields);
- }
- REVERSE_LIST(fields);
- type->__data.InterfaceType.fields = fields; // populate placeholder
- type->__data.InterfaceType.opaque = false;
-
- type_t *typeinfo_type = Type(TypeInfoType, .name=def->name, .type=type, .env=ns_env);
- Table$str_set(env->locals, def->name, new(binding_t, .type=typeinfo_type, .code=CORD_all(env->file_prefix, def->name)));
-
- for (ast_list_t *stmt = def->namespace ? Match(def->namespace, Block)->statements : NULL; stmt; stmt = stmt->next) {
- bind_statement(ns_env, stmt->ast);
- }
- break;
- }
case Use: {
env_t *module_env = load_module(env, statement);
for (table_t *bindings = module_env->locals; bindings != module_env->globals; bindings = bindings->fallback) {
@@ -593,7 +553,7 @@ type_t *get_type(env_t *env, ast_t *ast)
if (fn_type_t->tag == TypeInfoType) {
type_t *t = Match(fn_type_t, TypeInfoType)->type;
- if (t->tag == StructType || t->tag == InterfaceType || t->tag == IntType || t->tag == NumType)
+ if (t->tag == StructType || t->tag == IntType || t->tag == NumType)
return t; // Constructor
code_err(call->fn, "This is not a type that has a constructor");
}
@@ -634,31 +594,6 @@ type_t *get_type(env_t *env, ast_t *ast)
else if (streq(call->name, "clear")) return Type(VoidType);
else code_err(ast, "There is no '%s' method for tables", call->name);
}
- case InterfaceType: {
- auto methodcall = Match(ast, MethodCall);
- binding_t *b = get_namespace_binding(env, methodcall->self, methodcall->name);
- if (b) {
- if (b->type->tag != FunctionType)
- code_err(ast, "'%s' is not a function, it's a %T", methodcall->name, b->type);
- return Match(b->type, FunctionType)->ret;
- } else {
- auto interface = Match(self_value_t, InterfaceType);
- for (arg_t *field = interface->fields; field; field = field->next) {
- if (streq(field->name, methodcall->name)) {
- env_t tmp_env = *env;
- tmp_env.types = new(table_t, .fallback=tmp_env.types);
- Table$str_set(tmp_env.types, interface->type_parameter, self_value_t);
- type_t *field_t = field->type;
- if (field_t->tag == ClosureType)
- field_t = Match(field_t, ClosureType)->fn;
- if (field_t->tag != FunctionType)
- code_err(ast, "'%s' is not a function, it's a %T", methodcall->name, b->type);
- return Match(field_t, FunctionType)->ret;
- }
- }
- code_err(ast, "There is no method called '%s' on the interface type %s", methodcall->name, interface->name);
- }
- }
default: {
type_t *fn_type_t = get_method_type(env, call->self, call->name);
if (!fn_type_t)
@@ -680,7 +615,7 @@ type_t *get_type(env_t *env, ast_t *ast)
// Early out if the type is knowable without any context from the block:
switch (last->ast->tag) {
- case UpdateAssign: case Assign: case Declare: case FunctionDef: case StructDef: case EnumDef: case LangDef: case InterfaceDef:
+ case UpdateAssign: case Assign: case Declare: case FunctionDef: case StructDef: case EnumDef: case LangDef:
return Type(VoidType);
default: break;
}
@@ -857,7 +792,7 @@ type_t *get_type(env_t *env, ast_t *ast)
return Type(ClosureType, Type(FunctionType, .args=args, .ret=ret));
}
- case FunctionDef: case StructDef: case EnumDef: case LangDef: case InterfaceDef: {
+ case FunctionDef: case StructDef: case EnumDef: case LangDef: {
return Type(VoidType);
}
@@ -996,7 +931,7 @@ type_t *get_type(env_t *env, ast_t *ast)
bool is_discardable(env_t *env, ast_t *ast)
{
switch (ast->tag) {
- case UpdateAssign: case Assign: case Declare: case FunctionDef: case StructDef: case EnumDef: case LangDef: case InterfaceDef: case Use:
+ case UpdateAssign: case Assign: case Declare: case FunctionDef: case StructDef: case EnumDef: case LangDef: case Use:
return true;
default: break;
}
diff --git a/types.c b/types.c
index f7270a98..f2acb0ba 100644
--- a/types.c
+++ b/types.c
@@ -45,9 +45,6 @@ CORD type_to_cord(type_t *t) {
auto struct_ = Match(t, StructType);
return struct_->name;
}
- case InterfaceType: {
- return Match(t, InterfaceType)->name;
- }
case PointerType: {
auto ptr = Match(t, PointerType);
CORD sigil = ptr->is_stack ? "&" : "@";
@@ -216,7 +213,6 @@ bool has_heap_memory(type_t *t)
}
return false;
}
- case InterfaceType: return true;
default: return false;
}
}
@@ -309,7 +305,6 @@ bool can_leave_uninitialized(type_t *t)
}
return true;
}
- case InterfaceType: return false;
default: return false;
}
}
@@ -337,13 +332,6 @@ static bool _can_have_cycles(type_t *t, table_t *seen)
}
return false;
}
- case InterfaceType: {
- for (arg_t *field = Match(t, InterfaceType)->fields; field; field = field->next) {
- if (_can_have_cycles(field->type, seen))
- return true;
- }
- return false;
- }
default: return false;
}
}
@@ -390,13 +378,6 @@ type_t *replace_type(type_t *t, type_t *target, type_t *replacement)
Match((struct type_s*)t, EnumType)->tags = tags;
return t;
}
- case InterfaceType: {
- auto interface = Match(t, InterfaceType);
- arg_t *fields = LIST_MAP(interface->fields, field, .type=replace_type(field->type, target, replacement));
- t = COPY(t);
- Match((struct type_s*)t, InterfaceType)->fields = fields;
- return t;
- }
default: return t;
}
#undef COPY
@@ -417,8 +398,8 @@ size_t type_size(type_t *t)
case FunctionType: return sizeof(void*);
case ClosureType: return sizeof(struct {void *fn, *userdata;});
case PointerType: return sizeof(void*);
- case StructType: case InterfaceType: {
- arg_t *fields = t->tag == StructType ? Match(t, StructType)->fields : Match(t, InterfaceType)->fields;
+ case StructType: {
+ arg_t *fields = Match(t, StructType)->fields;
size_t size = t->tag == StructType ? 0 : sizeof(void*);
for (arg_t *field = fields; field; field = field->next) {
type_t *field_type = field->type;
@@ -468,8 +449,8 @@ size_t type_align(type_t *t)
case FunctionType: return __alignof__(void*);
case ClosureType: return __alignof__(struct {void *fn, *userdata;});
case PointerType: return __alignof__(void*);
- case StructType: case InterfaceType: {
- arg_t *fields = t->tag == StructType ? Match(t, StructType)->fields : Match(t, InterfaceType)->fields;
+ case StructType: {
+ arg_t *fields = Match(t, StructType)->fields;
size_t align = t->tag == StructType ? 0 : sizeof(void*);
for (arg_t *field = fields; field; field = field->next) {
size_t field_align = type_align(field->type);
@@ -505,17 +486,6 @@ type_t *get_field_type(type_t *t, const char *field_name)
}
return NULL;
}
- case InterfaceType: {
- auto interface = Match(t, InterfaceType);
- for (arg_t *field = interface->fields; field; field = field->next) {
- if (streq(field->name, field_name)) {
- if (field->type->tag == PointerType)
- return Match(field->type, PointerType)->pointed;
- return field->type;
- }
- }
- return NULL;
- }
case EnumType: {
auto e = Match(t, EnumType);
for (tag_t *tag = e->tags; tag; tag = tag->next) {
diff --git a/types.h b/types.h
index 1de2a94f..df913de5 100644
--- a/types.h
+++ b/types.h
@@ -52,7 +52,6 @@ struct type_s {
PointerType,
StructType,
EnumType,
- InterfaceType,
TypeInfoType,
ModuleType,
} tag;
@@ -100,12 +99,6 @@ struct type_s {
struct env_s *env;
} EnumType;
struct {
- const char *name, *type_parameter;
- arg_t *fields;
- bool opaque;
- struct env_s *env;
- } InterfaceType;
- struct {
const char *name;
type_t *type;
struct env_s *env;