added scope

src/llvm/function/function.c

@@ -1,5 +1,6 @@
 
 #include "ast/ast.h"
+#include "llvm/types/scope.h"
 #include <llvm/function/function.h>
 #include <llvm/types/type.h>
 #include <string.h>
@@ -55,7 +56,7 @@ static enum IO_Qualifier_t io_qualifier_from_ast_list(const AST_NODE_PTR node) {
     return qualifier;
 }
 
-GemstoneParam param_from_ast(const AST_NODE_PTR node) {
+GemstoneParam param_from_ast(const TypeScopeRef scope, const AST_NODE_PTR node) {
     GemstoneParam param;
 
     // node is expected to be a parameter
@@ -68,7 +69,7 @@ GemstoneParam param_from_ast(const AST_NODE_PTR node) {
 
     AST_NODE_PTR param_decl = AST_get_node(node, 1);
     AST_NODE_PTR param_type = AST_get_node(param_decl, 0);
-    param.typename = get_type_from_ast(param_type);
+    param.typename = get_type_from_ast(scope, param_type);
     param.name = AST_get_node(param_decl, 1)->value;
 
     return param;

src/llvm/function/function.h

@@ -15,7 +15,7 @@ enum IO_Qualifier_t {
 typedef struct GemstoneParam_t {
     const char* name;
     enum IO_Qualifier_t qualifier;
-    GemstoneType typename;
+    GemstoneTypeRef typename;
 } GemstoneParam;
 
 typedef struct GemstoneFun_t {
@@ -29,7 +29,7 @@ typedef struct GemstoneFun_t {
  * @param node the node starting a function parameter
  * @return GemstoneParam 
  */
-GemstoneParam param_from_ast(const AST_NODE_PTR node);
+GemstoneParam param_from_ast(const TypeScopeRef scope, const AST_NODE_PTR node);
 
 /**
  * @brief Convert an AST node into a function
@@ -37,6 +37,6 @@ GemstoneParam param_from_ast(const AST_NODE_PTR node);
  * @param node the node starting a function
  * @return GemstoneFun 
  */
-GemstoneFun fun_from_ast(const AST_NODE_PTR node);
+GemstoneFun fun_from_ast(const TypeScopeRef scope, const AST_NODE_PTR node);
 
 #endif // LLVM_FUNCTION_H_

src/llvm/types/composite-types.h

@@ -0,0 +1,35 @@
+
+#ifndef LLVM_TYPES_COMPOSITE_TYPES_H_
+#define LLVM_TYPES_COMPOSITE_TYPES_H_
+
+#define BITS_PER_BYTE 8
+
+enum Sign_t {
+    Signed = 1,
+    Unsigned = -1
+};
+
+enum Scale_t {
+    ATOM = 1,
+    HALF = 2,
+    SINGLE = 4,
+    DOUBLE = 8,
+    QUAD = 16,
+    OCTO = 32
+};
+
+enum Primitive_t {
+    Int,
+    Float
+};
+
+typedef struct CompositeType_t {
+    enum Sign_t sign;
+    enum Scale_t scale;
+    enum Primitive_t prim;
+} Composite;
+
+typedef struct CompositeType_t* CompositeRef;
+
+
+#endif // LLVM_TYPES_COMPOSITE_TYPES_H_

src/llvm/types/composite.c

@@ -1,4 +1,7 @@
 
+#include "llvm/types/composite-types.h"
+#include "llvm/types/scope.h"
+#include "llvm/types/structs.h"
 #include <llvm/types/composite.h>
 #include <string.h>
 
@@ -46,8 +49,8 @@ double get_scale_factor(const char* keyword) {
     PANIC("invalid scale factor: %s", keyword);
 }
 
-enum Scale_t collapse_scale_list(const AST_NODE_PTR list) {
-    double sum = 1.0;
+enum Scale_t collapse_scale_list(const AST_NODE_PTR list, double base) {
+    double sum = base;
 
     for (size_t i = 0; i < list->child_count; i++) {
         AST_NODE_PTR scale = AST_get_node(list, i);
@@ -84,27 +87,49 @@ static enum Primitive_t resolve_primitive(const char* typename) {
     return Int;
 }
 
-struct CompositeType_t ast_type_to_composite(AST_NODE_PTR type) {
+struct CompositeType_t ast_type_to_composite(const TypeScopeRef scope, AST_NODE_PTR type) {
     size_t count = type->child_count;
 
     struct CompositeType_t composite;
-    composite.name = NULL;
     composite.prim = Int;
     composite.scale = SINGLE;
     composite.sign = Signed;
 
     if (count == 1) {
+        const char* typename = AST_get_node(type, 0)->value;
+        GemstoneTypedefRef known_type = type_scope_get_type_from_name(scope, typename);
+
+        if (known_type == NULL) {
             // only other type given
-        composite.prim = resolve_primitive(AST_get_node(type, 0)->value);
+            composite.prim = resolve_primitive(typename);
+        } else if (known_type->type->kind == TypeComposite) {
+            return known_type->type->specs.composite;
+        } else {
+            PANIC("not a composite");
+        }
 
     } else if (count == 2) {
         // either scale and type
         // or sign and type
         AST_NODE_PTR first_child = AST_get_node(type, 0);
 
+        const char* typename = AST_get_node(type, 1)->value;
+        GemstoneTypedefRef known_type = type_scope_get_type_from_name(scope, typename);
+
+        if (known_type == NULL) {
+            // only other type given
+            composite.prim = resolve_primitive(typename);
+        } else if (known_type->type->kind == TypeComposite) {
+            composite.prim = known_type->type->specs.composite.prim;
+            composite.scale = known_type->type->specs.composite.scale;
+            composite.sign = known_type->type->specs.composite.sign;
+        } else {
+            PANIC("not a composite");
+        }
+
         switch (first_child->kind) {
             case AST_List:
-                composite.scale = collapse_scale_list(first_child);
+                composite.scale = collapse_scale_list(first_child, (double) composite.scale);
                 break;
             case AST_Sign:
                 composite.sign = string_to_sign(first_child->value);
@@ -113,12 +138,24 @@ struct CompositeType_t ast_type_to_composite(AST_NODE_PTR type) {
                 PANIC("unexpected node kind: %s", AST_node_to_string(first_child));
         }
 
-        composite.prim = resolve_primitive(AST_get_node(type, 1)->value);
-
     } else if (count == 3) {
+        const char* typename = AST_get_node(type, 3)->value;
+        GemstoneTypedefRef known_type = type_scope_get_type_from_name(scope, typename);
+
+        if (known_type == NULL) {
+            // only other type given
+            composite.prim = resolve_primitive(typename);
+        } else if (known_type->type->kind == TypeComposite) {
+            composite.prim = known_type->type->specs.composite.prim;
+            composite.scale = known_type->type->specs.composite.scale;
+            composite.sign = known_type->type->specs.composite.sign;
+        } else {
+            PANIC("not a composite");
+        }
+
         // sign, scale and type
         composite.sign = string_to_sign(AST_get_node(type, 0)->value);
-        composite.scale = collapse_scale_list(AST_get_node(type, 0));
+        composite.scale = collapse_scale_list(AST_get_node(type, 1), (double) composite.scale);
         composite.prim = resolve_primitive(AST_get_node(type, 2)->value);
     }
 

src/llvm/types/composite.h

@@ -6,48 +6,13 @@
 #include <sys/log.h>
 #include <llvm-c/Core.h>
 #include <llvm-c/Types.h>
-
-#define BITS_PER_BYTE 8
-
-enum Sign_t {
-    Signed,
-    Unsigned
-};
-
-enum Scale_t {
-    ATOM = 1,
-    HALF = 2,
-    SINGLE = 4,
-    DOUBLE = 8,
-    QUAD = 16,
-    OCTO = 32
-};
-
-enum Primitive_t {
-    Int,
-    Float
-};
-
-typedef struct CompositeType_t {
-    const char* name;
-    enum Sign_t sign;
-    enum Scale_t scale;
-    enum Primitive_t prim;
-} Composite;
-
-typedef struct TypeScope_t {
-    // vector of composite data types
-    Composite* composites;
-    size_t composite_len;
-    size_t composite_cap;
-} TypeScope;
-
-typedef struct CompositeType_t* CompositeRef;
+#include <llvm/types/composite-types.h>
+#include <llvm/types/scope.h>
 
 #define INVALID_COMPOSITE NULL
 
 LLVMTypeRef llvm_type_from_composite(LLVMContextRef context, const CompositeRef composite);
 
-struct CompositeType_t ast_type_to_composite(AST_NODE_PTR type);
+struct CompositeType_t ast_type_to_composite(const TypeScopeRef scope, AST_NODE_PTR type);
 
 #endif // LLVM_TYPE_H_

src/llvm/types/scope.c

@@ -0,0 +1,75 @@
+
+#include <llvm/types/type.h>
+#include <llvm/types/scope.h>
+#include <string.h>
+
+struct TypeScope_t {
+    GArray* types;
+    GArray* scopes;
+    TypeScopeRef parent;
+};
+
+TypeScopeRef type_scope_new() {
+    TypeScopeRef scope = malloc(sizeof(TypeScope));
+
+    // neither zero termination no initialisazion to zero needed
+    scope->scopes = g_array_new(FALSE, FALSE, sizeof(TypeScopeRef));
+    scope->types = g_array_new(FALSE, FALSE, sizeof(GemstoneTypedefRef));
+    scope->parent = NULL;
+
+    return scope;
+}
+
+void type_scope_append_type(TypeScopeRef scope, GemstoneTypedefRef type) {
+    g_array_append_val(scope->types, type);
+}
+
+void type_scope_append_scope(TypeScopeRef scope, TypeScopeRef child_scope) {
+    g_array_append_val(scope->scopes, child_scope);
+    child_scope->parent = scope;
+}
+
+GemstoneTypedefRef type_scope_get_type(TypeScopeRef scope, size_t index) {
+    return ((GemstoneTypedefRef*) scope->types->data)[index];
+}
+
+size_t type_scope_types_len(TypeScopeRef scope) {
+    return scope->types->len;
+}
+
+size_t type_scope_scopes_len(TypeScopeRef scope) {
+    return scope->scopes->len;
+}
+
+GemstoneTypedefRef type_scope_get_type_from_name(TypeScopeRef scope, const char* name) {
+    for (guint i = 0; i < scope->types->len; i++)  {
+        GemstoneTypedefRef typeref = ((GemstoneTypedefRef*) scope->types->data)[i];
+
+        if (strcmp(typeref->name, name) == 0) {
+            return typeref;
+        }
+    }
+
+    if (scope->parent == NULL) {
+        return NULL;
+    }
+
+    return type_scope_get_type_from_name(scope->parent, name);
+}
+
+void type_scope_delete(TypeScopeRef scope) {
+
+    for (guint i = 0; i < scope->scopes->len; i++) {
+        TypeScopeRef scoperef = ((TypeScopeRef*) scope->scopes->data)[i];
+        type_scope_delete(scoperef);
+    }
+
+    for (guint i = 0; i < scope->types->len; i++) {
+        // TODO: free gemstone type
+    }
+
+    g_array_free(scope->scopes, TRUE);
+    g_array_free(scope->types, TRUE);
+
+    free(scope);
+}

src/llvm/types/scope.h

@@ -0,0 +1,83 @@
+
+#ifndef LLVM_TYPE_SCOPE_H_
+#define LLVM_TYPE_SCOPE_H_
+
+#include <glib.h>
+#include <llvm/types/structs.h>
+
+typedef struct TypeScope_t TypeScope;
+
+typedef TypeScope* TypeScopeRef;
+
+/**
+ * @brief Allocate a new type scope
+ * 
+ * @return TypeScopeRef 
+ */
+[[nodiscard("heap allocation")]]
+TypeScopeRef type_scope_new();
+
+/**
+ * @brief Add a new type to this scope
+ * 
+ * @param scope 
+ * @param type 
+ */
+[[gnu::nonnull(1)]]
+void type_scope_append_type(TypeScopeRef scope, GemstoneTypedefRef type);
+
+/**
+ * @brief Add a new child scope to this scope
+ * 
+ * @param scope 
+ * @param child_scope
+ */
+[[gnu::nonnull(1), gnu::nonnull(2)]]
+void type_scope_append_scope(TypeScopeRef scope, TypeScopeRef child_scope);
+
+/**
+ * @brief Get the type at the specified index in this scope level
+ * 
+ * @param scope 
+ * @param indx 
+ */
+[[gnu::nonnull(1)]]
+GemstoneTypedefRef type_scope_get_type(TypeScopeRef scope, size_t indx);
+
+/**
+ * @brief Get the number of types in this scope level
+ * 
+ * @param scope 
+ * @return size_t 
+ */
+[[gnu::nonnull(1)]]
+size_t type_scope_types_len(TypeScopeRef scope);
+
+/**
+ * @brief Get the number of child scopes
+ * 
+ * @param scope 
+ * @return size_t 
+ */
+[[gnu::nonnull(1)]]
+size_t type_scope_scopes_len(TypeScopeRef scope);
+
+/**
+ * @brief Return a type inside this scope which matches the given name.
+ * @attention Returns NULL if no type by this name is found. 
+ *
+ * @param name 
+ * @return GemstoneTypedefRef 
+ */
+[[gnu::nonnull(1)]]
+GemstoneTypedefRef type_scope_get_type_from_name(TypeScopeRef scope, const char* name);
+
+/**
+ * @brief Delete the scope. Deallocates all child scopes
+ * 
+ * @param scope 
+ */
+[[gnu::nonnull(1)]]
+void type_scope_delete(TypeScopeRef scope);
+
+#endif // LLVM_TYPE_SCOPE_H_

src/llvm/types/structs.h

@@ -0,0 +1,36 @@
+
+#ifndef LLVM_TYPE_STRUCTS_H_
+#define LLVM_TYPE_STRUCTS_H_
+
+#include <llvm/types/composite-types.h>
+
+enum GemstoneTypeKind_t {
+    TypeComposite,
+    TypeReference,
+    TypeBox
+};
+
+struct GemstoneType_t;
+
+typedef struct GemstoneRefType_t {
+    struct GemstoneType_t* type;
+} GemstoneRefType;
+
+typedef struct GemstoneType_t {
+    enum GemstoneTypeKind_t kind;
+    union GemstoneTypeSpecs_t {
+        Composite composite;
+        GemstoneRefType reference;
+    } specs;
+} GemstoneType;
+
+typedef GemstoneType* GemstoneTypeRef;
+
+typedef struct GemstoneTypedef_t {
+    const char* name;
+    GemstoneTypeRef type;
+} GemstoneTypedef;
+
+typedef GemstoneTypedef* GemstoneTypedefRef;
+
+#endif // LLVM_TYPE_STRUCTS_H_

src/llvm/types/type.c

@@ -1,23 +1,73 @@
 
+#include "llvm/types/structs.h"
+#include <llvm/types/scope.h>
 #include <llvm/types/composite.h>
 #include <ast/ast.h>
 #include <llvm/types/type.h>
+#include <stdlib.h>
 
-GemstoneType get_type_from_ast(const AST_NODE_PTR type_node) {
+GemstoneTypeRef get_type_from_ast(const TypeScopeRef scope, const AST_NODE_PTR type_node) {
     if (type_node->kind != AST_Type) {
         PANIC("Node must be of type AST_Type: %s", AST_node_to_string(type_node));
     }
 
-    GemstoneType type;
+    GemstoneTypeRef type = malloc(sizeof(GemstoneType));
 
     if (type_node->child_count > 1) {
         // must be composite
-        type.kind = TypeComposite;
-        type.specs.composite = ast_type_to_composite(type_node);
+        type->kind = TypeComposite;
+        type->specs.composite = ast_type_to_composite(scope, type_node);
     } else {
         // either custom type or box
-        // TODO: resolve concrete type from TypeScope
+        GemstoneTypedefRef resolved_type = type_scope_get_type_from_name(scope, AST_get_node(type_node, 0)->value);
+
+        if (resolved_type == NULL) {
+            type->kind = TypeComposite;
+            type->specs.composite = ast_type_to_composite(scope, type_node);
+        } else {
+            free(type);
+            type = resolved_type->type;
+        }
     }
 
     return type;
 }
+
+GemstoneTypedefRef new_typedefref(GemstoneTypeRef type, const char* name) {
+    GemstoneTypedefRef typedefref = malloc(sizeof(GemstoneTypedef));
+
+    typedefref->name = name;
+    typedefref->type = type;
+
+    return typedefref;
+}
+
+void delete_type(GemstoneTypeRef typeref) {
+    switch(typeref->kind) {
+        case TypeReference:
+            delete_type(typeref->specs.reference.type);
+            break;
+        case TypeComposite:
+            break;
+        case TypeBox:
+            PANIC("NOT IMPLEMENTED");
+            break;
+    }
+
+    free(typeref);
+}
+
+void delete_typedefref(GemstoneTypedefRef ref) {
+    delete_type(ref->type);
+}
+
+GemstoneTypedefRef get_type_def_from_ast(const TypeScopeRef scope, const AST_NODE_PTR typdef) {
+    if (typdef->kind != AST_Typedef) {
+        PANIC("node must be of type AST_Typedef");
+    }
+
+    GemstoneTypeRef type = get_type_from_ast(scope, AST_get_node(typdef, 0));
+    const char* name = AST_get_node(typdef, 1)->value;
+
+    return new_typedefref(type, name);
+}

src/llvm/types/type.h

@@ -4,33 +4,8 @@
 
 #include <ast/ast.h>
 #include <llvm/types/composite.h>
-
-enum GemstoneTypeKind_t {
-    TypeComposite,
-    TypeReference,
-    TypeBox
-};
-
-struct GemstoneType_t;
-
-typedef struct GemstoneRefType_t {
-    struct GemstoneType_t* type;
-} GemstoneRefType;
-
-typedef struct GemstoneType_t {
-    enum GemstoneTypeKind_t kind;
-    union GemstoneTypeSpecs_t {
-        Composite composite;
-        GemstoneRefType reference;
-    } specs;
-} GemstoneType;
-
-struct TypeScope_t;
-
-typedef struct TypeScope_t {
-    // TODO: array of child scopes
-    // TODO: array of types
-} TypeScope;
+#include <llvm/types/structs.h>
+#include <llvm/types/scope.h>
 
 /**
  * @brief Convert a type declaration into a concrete type.
@@ -38,6 +13,30 @@ typedef struct TypeScope_t {
  * @param type A type declaration (either identifier or composite)
  * @return GemstoneType
  */
-GemstoneType get_type_from_ast(const AST_NODE_PTR type);
+GemstoneTypeRef get_type_from_ast(const TypeScopeRef scope, const AST_NODE_PTR type);
+
+/**
+ * @brief Convert the type definition AST into a typedef reference
+ * 
+ * @param typdef 
+ * @return GemstoneTypedefRef 
+ */
+GemstoneTypedefRef get_type_def_from_ast(const TypeScopeRef scope, const AST_NODE_PTR typdef);
+
+/**
+ * @brief Create an new typedefine reference
+ * 
+ * @param type 
+ * @param name 
+ * @return GemstoneTypedefRef 
+ */
+GemstoneTypedefRef new_typedefref(GemstoneTypeRef type, const char* name);
+
+/**
+ * @brief Free the type definition reference and its underlying type
+ * 
+ * @param ref 
+ */
+void delete_typedefref(GemstoneTypedefRef ref);
 
 #endif // GEMSTONE_TYPE_H_