#include "oberon.h"
#include "generator.h"
-static void printcontext(oberon_context_t * ctx, char * s)
-{
-/*
- gen_context_t * gen_context = ctx -> gen_context;
- gcc_jit_context * gcc_context = gen_context -> gcc_context;
- gcc_jit_block * gcc_block = gen_context -> gcc_block;
-
- printf("%s:\n", s);
- printf(" ctx = %p:\n", ctx);
- printf(" gctx = %p:\n", gctx);
- printf(" context = %p:\n", context);
- printf(" block = %p:\n", block);
-*/
-}
-
// =======================================================================
// ALLOC
// =======================================================================
ctx -> gen_context = gen_context;
gen_context -> gcc_context = gcc_context;
-
- printcontext(ctx, "oberon_generator_init_context");
}
void
oberon_generator_destroy_context(oberon_context_t * ctx)
{
- printcontext(ctx, "oberon_generator_destroy_context");
-
gen_context_t * gen_context = ctx -> gen_context;
gcc_jit_context * gcc_context = gen_context -> gcc_context;
//gcc_struct = gcc_jit_context_new_struct_type(gcc_context, NULL, "", num_fields, fields);
}
+static void
+oberon_generator_get_full_name(char * name, int max_len, oberon_object_t * o)
+{
+ if(!o)
+ {
+ name[0] = 0;
+ return;
+ }
+
+ char parent[256];
+ oberon_generator_get_full_name(parent, 256, o -> parent);
+
+ char * xname;
+// if(o -> class == OBERON_CLASS_MODULE)
+// {
+// xname = o -> module -> name;
+// }
+// else
+// {
+ xname = o -> name;
+// }
+
+ if(strlen(parent) > 0)
+ {
+ snprintf(name, max_len, "%s_%s", parent, xname);
+ }
+ else
+ {
+ snprintf(name, max_len, "%s", xname);
+ }
+}
+
void
oberon_generator_init_var(oberon_context_t * ctx, oberon_object_t * var)
{
gcc_jit_context * gcc_context = gen_context -> gcc_context;
gcc_jit_type * gcc_type = gen_type -> gcc_type;
- const char * name = var -> name;
+
+ char name[256];
+ oberon_generator_get_full_name(name, 256, var);
gcc_jit_lvalue * gcc_lvalue = NULL;
gcc_jit_param * gcc_param = NULL;
memset(gen_proc, 0, sizeof *gen_proc);
proc -> gen_proc = gen_proc;
- const char * name = proc -> name;
+ char name[256];
+ oberon_generator_get_full_name(name, 256, proc);
+
gen_type_t * gen_result_type = proc -> type -> base -> gen_type;
gcc_jit_type * result_type = gen_result_type -> gcc_type;
void
oberon_generate_begin_module(oberon_context_t * ctx)
{
- printcontext(ctx, "oberon_generate_begin_module");
-
gen_context_t * gen_context = ctx -> gen_context;
gcc_jit_context * gcc_context = gen_context -> gcc_context;
+ char name[256];
+ snprintf(name, 256, "%s_BEGIN", ctx -> mod -> name);
+
gcc_jit_type * void_type = gcc_jit_context_get_type(gcc_context, GCC_JIT_TYPE_VOID);
gcc_jit_function * func = gcc_jit_context_new_function(
- gcc_context, NULL, GCC_JIT_FUNCTION_EXPORTED, void_type, "BEGIN", 0, NULL, 0
+ gcc_context, NULL, GCC_JIT_FUNCTION_EXPORTED, void_type, name, 0, NULL, 0
);
gcc_jit_block * gcc_block = gcc_jit_function_new_block(func, NULL);
void
oberon_generate_end_module(oberon_context_t * ctx)
{
- printcontext(ctx, "oberon_generate_end_module");
-
gen_context_t * gen_context = ctx -> gen_context;
gcc_jit_block * gcc_block = gen_context -> block -> gcc_block;
gcc_result = gcc_jit_context_compile(gcc_context);
gen_context -> gcc_result = gcc_result;
- ctx -> mod -> begin = gcc_jit_result_get_code(gcc_result, "BEGIN");
+
+// ctx -> mod -> begin = gcc_jit_result_get_code(gcc_result, "BEGIN");
}
void
POINTER,
TO,
UPARROW,
- NIL
+ NIL,
+ IMPORT
};
// =======================================================================
static oberon_scope_t *
oberon_open_scope(oberon_context_t * ctx)
{
- oberon_scope_t * scope = malloc(sizeof *scope);
- memset(scope, 0, sizeof *scope);
-
- oberon_object_t * list = malloc(sizeof *list);
- memset(list, 0, sizeof *list);
+ oberon_scope_t * scope = calloc(1, sizeof *scope);
+ oberon_object_t * list = calloc(1, sizeof *list);
scope -> ctx = ctx;
scope -> list = list;
{
ctx -> token = NIL;
}
+ else if(strcmp(ident, "IMPORT") == 0)
+ {
+ ctx -> token = IMPORT;
+ }
}
static void
|| ((x) == DOT) \
|| ((x) == UPARROW))
+static oberon_object_t *
+oberon_qualident(oberon_context_t * ctx, char ** xname, int check)
+{
+ char * name;
+ oberon_object_t * x;
+
+ name = oberon_assert_ident(ctx);
+ x = oberon_find_object(ctx -> decl, name, check);
+
+ if(x != NULL)
+ {
+ if(x -> class == OBERON_CLASS_MODULE)
+ {
+ oberon_assert_token(ctx, DOT);
+ name = oberon_assert_ident(ctx);
+ /* Наличие объектов в левых модулях всегда проверяется */
+ x = oberon_find_object(x -> module -> decl, name, 1);
+ }
+ }
+
+ if(xname)
+ {
+ *xname = name;
+ }
+
+ return x;
+}
+
static oberon_expr_t *
oberon_designator(oberon_context_t * ctx)
{
oberon_object_t * var;
oberon_expr_t * expr;
- name = oberon_assert_ident(ctx);
- var = oberon_find_object(ctx -> decl, name, 1);
+ var = oberon_qualident(ctx, NULL, 1);
switch(var -> class)
{
if(ctx -> token == COLON)
{
oberon_assert_token(ctx, COLON);
- // TODO get by qualident
- oberon_type(ctx, &signature -> base);
+
+ oberon_object_t * typeobj;
+ typeobj = oberon_qualident(ctx, NULL, 1);
+ if(typeobj -> class != OBERON_CLASS_TYPE)
+ {
+ oberon_error(ctx, "function result is not type");
+ }
+ signature -> base = typeobj -> type;
}
}
char * name;
oberon_object_t * to;
- name = oberon_assert_ident(ctx);
- to = oberon_find_object(ctx -> decl, name, 0);
+ to = oberon_qualident(ctx, &name, 0);
+
+ //name = oberon_assert_ident(ctx);
+ //to = oberon_find_object(ctx -> decl, name, 0);
if(to != NULL)
{
break;
case OBERON_CLASS_CONST:
case OBERON_CLASS_PROC:
+ case OBERON_CLASS_MODULE:
break;
default:
oberon_error(ctx, "oberon_prevent_recursive_object: wat");
break;
case OBERON_CLASS_CONST:
case OBERON_CLASS_PROC:
+ case OBERON_CLASS_MODULE:
break;
default:
- oberon_error(ctx, "oberon_prevent_recursive_object: wat");
+ oberon_error(ctx, "oberon_initialize_object: wat");
break;
}
}
}
}
+static void
+oberon_import_module(oberon_context_t * ctx, char * alias, char * name)
+{
+ oberon_module_t * m = ctx -> module_list;
+ while(m && strcmp(m -> name, name) != 0)
+ {
+ m = m -> next;
+ }
+
+ if(m == NULL)
+ {
+ const char * code;
+ code = ctx -> import_module(name);
+ if(code == NULL)
+ {
+ oberon_error(ctx, "no such module");
+ }
+
+ m = oberon_compile_module(ctx, code);
+ assert(m);
+ }
+
+ if(m -> ready == 0)
+ {
+ oberon_error(ctx, "cyclic module import");
+ }
+
+ oberon_object_t * ident;
+ ident = oberon_define_object(ctx -> decl, alias, OBERON_CLASS_MODULE);
+ ident -> module = m;
+}
+
+static void
+oberon_import_decl(oberon_context_t * ctx)
+{
+ char * alias;
+ char * name;
+
+ alias = name = oberon_assert_ident(ctx);
+ if(ctx -> token == ASSIGN)
+ {
+ oberon_assert_token(ctx, ASSIGN);
+ name = oberon_assert_ident(ctx);
+ }
+
+ oberon_import_module(ctx, alias, name);
+}
+
+static void
+oberon_import_list(oberon_context_t * ctx)
+{
+ oberon_assert_token(ctx, IMPORT);
+
+ oberon_import_decl(ctx);
+ while(ctx -> token == COMMA)
+ {
+ oberon_assert_token(ctx, COMMA);
+ oberon_import_decl(ctx);
+ }
+
+ oberon_assert_token(ctx, SEMICOLON);
+}
+
static void
oberon_parse_module(oberon_context_t * ctx)
{
- char *name1, *name2;
+ char * name1;
+ char * name2;
oberon_read_token(ctx);
oberon_assert_token(ctx, MODULE);
oberon_assert_token(ctx, SEMICOLON);
ctx -> mod -> name = name1;
+ oberon_object_t * this_module;
+ this_module = oberon_define_object(ctx -> decl, name1, OBERON_CLASS_MODULE);
+ this_module -> module = ctx -> mod;
+
+ if(ctx -> token == IMPORT)
+ {
+ oberon_import_list(ctx);
+ }
+
+ ctx -> decl -> parent = this_module;
+
oberon_decl_seq(ctx);
+ oberon_generate_begin_module(ctx);
+
if(ctx -> token == BEGIN)
{
oberon_assert_token(ctx, BEGIN);
- oberon_generate_begin_module(ctx);
oberon_statement_seq(ctx);
oberon_generate_end_module(ctx);
}
}
oberon_context_t *
-oberon_create_context()
+oberon_create_context(ModuleImportCallback import_module)
{
- oberon_context_t * ctx = malloc(sizeof *ctx);
- memset(ctx, 0, sizeof *ctx);
+ oberon_context_t * ctx = calloc(1, sizeof *ctx);
oberon_scope_t * world_scope;
world_scope = oberon_open_scope(ctx);
ctx -> world_scope = world_scope;
+ ctx -> import_module = import_module;
+
oberon_generator_init_context(ctx);
register_default_types(ctx);
}
oberon_module_t *
-oberon_compile_module(oberon_context_t * ctx, const char * code)
+oberon_compile_module(oberon_context_t * ctx, const char * newcode)
{
- oberon_module_t * mod = malloc(sizeof *mod);
- memset(mod, 0, sizeof *mod);
- ctx -> mod = mod;
+ const char * code = ctx -> code;
+ int code_index = ctx -> code_index;
+ char c = ctx -> c;
+ int token = ctx -> token;
+ char * string = ctx -> string;
+ int integer = ctx -> integer;
+ oberon_scope_t * decl = ctx -> decl;
+ oberon_module_t * mod = ctx -> mod;
oberon_scope_t * module_scope;
module_scope = oberon_open_scope(ctx);
- mod -> decl = module_scope;
- oberon_init_scaner(ctx, code);
+ oberon_module_t * module;
+ module = calloc(1, sizeof *module);
+ module -> decl = module_scope;
+ module -> next = ctx -> module_list;
+
+ ctx -> mod = module;
+ ctx -> module_list = module;
+
+ oberon_init_scaner(ctx, newcode);
oberon_parse_module(ctx);
- oberon_generate_code(ctx);
+ module -> ready = 1;
+
+ ctx -> code = code;
+ ctx -> code_index = code_index;
+ ctx -> c = c;
+ ctx -> token = token;
+ ctx -> string = string;
+ ctx -> integer = integer;
+ ctx -> decl = decl;
+ ctx -> mod = mod;
- ctx -> mod = NULL;
- return mod;
+ return module;
}
