diff --git a/generator.c b/generator.c
index a802a96f4e071c64496e5df09f6d28cbfad24a58..709e5a65cbfb513cd502e2bf7d70383b89468449 100644 (file)
--- a/generator.c
+++ b/generator.c
#include "oberon.h"
#include "generator.h"
-#include <libgccjit.h>
-
static void printcontext(oberon_context_t * ctx, char * s)
{
/*
// ALLOC
// =======================================================================
+static void
+oberon_generator_open_block(gen_context_t * gen_context, gcc_jit_block * gcc_block)
+{
+ gen_block_t * block = malloc(sizeof *block);
+ memset(block, 0, sizeof *block);
+
+ block -> gcc_block = gcc_block;
+ block -> up = gen_context -> block;
+
+ gen_context -> block = block;
+}
+
+static void
+oberon_generator_close_block(gen_context_t * gen_context)
+{
+ gen_context -> block = gen_context -> block -> up;
+}
+
void
oberon_generator_init_context(oberon_context_t * ctx)
{
}
else if(type -> class == OBERON_TYPE_ARRAY)
{
- if(type -> dim != 1)
- {
- oberon_error(ctx, "multidimension and open arrays not supported");
- }
-
gen_type_t * gen_base = type -> base -> gen_type;
gcc_jit_type * gcc_base = gen_base -> gcc_type;
-
gcc_type = gcc_jit_context_new_array_type(gcc_context, NULL, gcc_base, type -> size);
}
else if(type -> class == OBERON_TYPE_RECORD)
{
- gcc_struct = gcc_jit_context_new_opaque_struct(gcc_context, NULL, "");
+ char name[32];
+ snprintf(name, 32, "RECORD%u", gen_context -> record_count);
+ gen_context -> record_count += 1;
+
+ gcc_struct = gcc_jit_context_new_opaque_struct(gcc_context, NULL, name);
gcc_type = gcc_jit_struct_as_type(gcc_struct);
}
else if(type -> class == OBERON_TYPE_POINTER)
gcc_jit_type * gcc_type = gen_type -> gcc_type;
const char * name = var -> name;
- // TODO var param
gcc_jit_lvalue * gcc_lvalue = NULL;
gcc_jit_param * gcc_param = NULL;
gcc_jit_field * gcc_field = NULL;
if(var -> class == OBERON_CLASS_VAR)
{
- gcc_lvalue = gcc_jit_context_new_global(
- gcc_context, NULL, GCC_JIT_GLOBAL_INTERNAL, gcc_type, name
- );
+ if(var -> local)
+ {
+ gen_proc_t * gen_func = var -> parent -> gen_proc;
+ gcc_jit_function * func = gen_func -> gcc_func;
+
+ gcc_lvalue = gcc_jit_function_new_local(func, NULL, gcc_type, name);
+ }
+ else
+ {
+ gcc_lvalue = gcc_jit_context_new_global(
+ gcc_context, NULL, GCC_JIT_GLOBAL_INTERNAL, gcc_type, name
+ );
+ }
}
else if(var -> class == OBERON_CLASS_PARAM)
{
gcc_param = gcc_jit_context_new_param(gcc_context, NULL, gcc_type, name);
gcc_lvalue = gcc_jit_param_as_lvalue(gcc_param);
}
+ else if(var -> class == OBERON_CLASS_VAR_PARAM)
+ {
+ gcc_type = gcc_jit_type_get_pointer(gcc_type);
+ gcc_param = gcc_jit_context_new_param(gcc_context, NULL, gcc_type, name);
+ gcc_lvalue = gcc_jit_param_as_lvalue(gcc_param);
+ }
else if(var -> class == OBERON_CLASS_FIELD)
{
gcc_field = gcc_jit_context_new_field(gcc_context, NULL, gcc_type, name);
void
oberon_generator_init_proc(oberon_context_t * ctx, oberon_object_t * proc)
{
- assert(proc -> class == OBERON_CLASS_PROC);
+ if(proc -> local)
+ {
+ oberon_error(ctx, "generator: local procedures not supported");
+ }
gen_context_t * gen_context = ctx -> gen_context;
gcc_jit_context * gcc_context = gen_context -> gcc_context;
);
gcc_jit_block * gcc_block = gcc_jit_function_new_block(func, NULL);
- gen_context -> gcc_block = gcc_block;
+ oberon_generator_open_block(gen_context, gcc_block);
}
void
printcontext(ctx, "oberon_generate_end_module");
gen_context_t * gen_context = ctx -> gen_context;
- gcc_jit_block * gcc_block = gen_context -> gcc_block;
+ gcc_jit_block * gcc_block = gen_context -> block -> gcc_block;
gcc_jit_block_end_with_void_return(gcc_block, NULL);
- gen_context -> gcc_block = NULL;
+ oberon_generator_close_block(gen_context);
}
void
gcc_jit_function * func = gen_proc -> gcc_func;
gcc_jit_block * gcc_block = gcc_jit_function_new_block(func, NULL);
- // TODO make stack for block
- gen_context -> gcc_block = gcc_block;
+ oberon_generator_open_block(gen_context, gcc_block);
}
void
oberon_generate_call_proc(oberon_context_t * ctx, oberon_expr_t * desig)
{
gen_context_t * gen_context = ctx -> gen_context;
- gcc_jit_block * block = gen_context -> gcc_block;
+ gen_block_t * gen_block = gen_context -> block;
+ gcc_jit_block * block = gen_block -> gcc_block;
gcc_jit_rvalue * return_value;
return_value = rvalue_from_expr(ctx, desig);
oberon_generate_end_proc(oberon_context_t * ctx)
{
gen_context_t * gen_context = ctx -> gen_context;
- gen_context -> gcc_block = NULL;
+ oberon_generator_close_block(gen_context);
}
void
oberon_generate_return(oberon_context_t * ctx, oberon_expr_t * expr)
{
gen_context_t * gen_context = ctx -> gen_context;
- gcc_jit_block * gcc_block = gen_context -> gcc_block;
+ gen_block_t * gen_block = gen_context -> block;
+ gcc_jit_block * gcc_block = gen_block -> gcc_block;
if(expr == NULL)
{
{
gen_var_t * gen_var = item -> var -> gen_var;
left = gen_var -> gcc_lvalue;
+ if(item -> var -> class == OBERON_CLASS_VAR_PARAM)
+ {
+ gcc_jit_rvalue * r = gcc_jit_lvalue_as_rvalue(left);
+ left = gcc_jit_rvalue_dereference(r, NULL);
+ }
}
else if(item -> mode == MODE_INDEX)
{
}
else if(item -> mode == MODE_FIELD)
{
+ printf("lvalue_from_item: %s\n", item -> var -> name);
gen_var_t * gen_var = item -> var -> gen_var;
gcc_jit_field * gcc_field = gen_var -> gcc_field;
gcc_jit_lvalue * parent = lvalue_from_item(ctx, item -> parent);
left = gcc_jit_lvalue_access_field(parent, NULL, gcc_field);
}
+ else if(item -> mode == MODE_DEREF)
+ {
+ gcc_jit_rvalue * parent = rvalue_from_item(ctx, item -> parent);
+ left = gcc_jit_rvalue_dereference(parent, NULL);
+ }
else
{
oberon_error(ctx, "invalid lvalue expression");
gcc_jit_rvalue * right;
if(item -> mode == MODE_VAR)
{
- assert(item -> var -> class == OBERON_CLASS_VAR
- || item -> var -> class == OBERON_CLASS_PARAM);
- gen_var_t * gen_var = item -> var -> gen_var;
- right = gcc_jit_lvalue_as_rvalue(gen_var -> gcc_lvalue);
+ gcc_jit_lvalue * left = lvalue_from_item(ctx, item);
+ right = gcc_jit_lvalue_as_rvalue(left);
}
else if(item -> mode == MODE_INTEGER)
{
{
assert(item -> var -> class == OBERON_CLASS_PROC);
+ oberon_type_t * signature = item -> var -> type;
gen_proc_t * gen_proc = item -> var -> gen_proc;
int num_args = item -> num_args;
gcc_jit_rvalue *args[num_args];
oberon_expr_t * expr = item -> args;
+ oberon_object_t * arg_param = signature -> decl;
for(int i = 0; i < num_args; i++)
{
- args[i] = rvalue_from_expr(ctx, expr);
+ if(arg_param -> class == OBERON_CLASS_VAR_PARAM)
+ {
+ gcc_jit_lvalue * left = lvalue_from_expr(ctx, expr);
+ args[i] = gcc_jit_lvalue_get_address(left, NULL);
+ }
+ else
+ {
+ args[i] = rvalue_from_expr(ctx, expr);
+ }
expr = expr -> next;
+ arg_param = arg_param -> next;
}
gcc_jit_function * func = gen_proc -> gcc_func;
gcc_jit_rvalue * parent = rvalue_from_item(ctx, item -> parent);
right = gcc_jit_rvalue_access_field(parent, NULL, gcc_field);
}
+ else if(item -> mode == MODE_DEREF)
+ {
+ gcc_jit_lvalue * left = lvalue_from_item(ctx, item);
+ right = gcc_jit_lvalue_as_rvalue(left);
+ }
+ else if(item -> mode == MODE_NIL)
+ {
+ gcc_jit_type * type = gcc_jit_context_get_type(gcc_context, GCC_JIT_TYPE_VOID_PTR);
+ right = gcc_jit_context_null(gcc_context, type);
+ }
else
{
oberon_error(ctx, "rvalue_from_item: invalid mode %i", item -> mode);
enum gcc_jit_comparison comp_op;
};
} op_table[] = {
- { 0, .unary_op = GCC_JIT_UNARY_OP_LOGICAL_NEGATE },
{ 0, .unary_op = GCC_JIT_UNARY_OP_MINUS },
+ { 0, .unary_op = GCC_JIT_UNARY_OP_BITWISE_NEGATE },
+ { 0, .unary_op = GCC_JIT_UNARY_OP_LOGICAL_NEGATE },
+ { 0, .unary_op = GCC_JIT_UNARY_OP_ABS },
{ 1, .binary_op = GCC_JIT_BINARY_OP_PLUS },
{ 1, .binary_op = GCC_JIT_BINARY_OP_MINUS },
{ 1, .binary_op = GCC_JIT_BINARY_OP_MULT },
{ 1, .binary_op = GCC_JIT_BINARY_OP_DIVIDE },
{ 1, .binary_op = GCC_JIT_BINARY_OP_MODULO },
+ { 1, .binary_op = GCC_JIT_BINARY_OP_BITWISE_AND },
+ { 1, .binary_op = GCC_JIT_BINARY_OP_BITWISE_XOR },
+ { 1, .binary_op = GCC_JIT_BINARY_OP_BITWISE_OR },
{ 1, .binary_op = GCC_JIT_BINARY_OP_LOGICAL_AND },
{ 1, .binary_op = GCC_JIT_BINARY_OP_LOGICAL_OR },
@@ -542,8 +610,21 @@ oberon_generate_assign(oberon_context_t * ctx, oberon_expr_t * src, oberon_expr_
gcc_jit_rvalue * right;
right = rvalue_from_expr(ctx, src);
+ if(src -> is_item)
+ {
+ if(src -> item.mode == MODE_NIL)
+ {
+ gen_context_t * gen_context = ctx -> gen_context;
+ gcc_jit_context * gcc_context = gen_context -> gcc_context;
+ gen_type_t * gen_type = dst -> result -> gen_type;
+ gcc_jit_type * cast_to_type = gen_type -> gcc_type;
+ right = gcc_jit_context_new_cast(gcc_context, NULL, right, cast_to_type);
+ }
+ }
+
gen_context_t * gen_context = ctx -> gen_context;
- gcc_jit_block * gcc_block = gen_context -> gcc_block;
+ gen_block_t * gen_block = gen_context -> block;
+ gcc_jit_block * gcc_block = gen_block -> gcc_block;
gcc_jit_block_add_assignment(gcc_block, NULL, left, right);
}