diff --git a/generator.c b/generator.c
index 4c3a984a6b226d5377ffb5fdcfa0ca5979ffd212..ff4896d3880de3b018213680a62c216a192e05da 100644 (file)
--- a/generator.c
+++ b/generator.c
#include "oberon.h"
#include "generator.h"
-#include <libgccjit.h>
+// =======================================================================
+// ALLOC
+// =======================================================================
-static void printcontext(oberon_context_t * ctx, char * s)
+static void
+oberon_generator_open_block(gen_context_t * gen_context, gcc_jit_block * gcc_block)
{
-/*
- 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);
-*/
+ 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;
}
-// =======================================================================
-// ALLOC
-// =======================================================================
+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)
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;
}
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_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 * x)
+{
+ if(!x)
+ {
+ name[0] = 0;
+ return;
+ }
+
+ int add_module_prefix;
+ switch(x -> class)
+ {
+ case OBERON_CLASS_FIELD:
+ case OBERON_CLASS_PARAM:
+ case OBERON_CLASS_VAR_PARAM:
+ /* В локальных областях префиксы излишни */
+ add_module_prefix = 0;
+ break;
+ default:
+ add_module_prefix = 1;
+ break;
+ }
+
+ char parent[256];
+ oberon_generator_get_full_name(parent, 256, x -> parent);
+
+ if(strlen(parent) > 0)
+ {
+ snprintf(name, max_len, "%s_%s", parent, x -> name);
+ }
+ else if(add_module_prefix)
+ {
+ snprintf(name, max_len, "%s_%s", x -> module -> name, x -> name);
+ }
+ else
+ {
+ snprintf(name, max_len, "%s", x -> name);
+ }
+}
+
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;
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)
{
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;
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;
@@ -244,31 +302,30 @@ static gcc_jit_rvalue * rvalue_from_expr(oberon_context_t * ctx, oberon_expr_t *
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);
- gen_context -> gcc_block = gcc_block;
+ oberon_generator_open_block(gen_context, gcc_block);
}
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 -> 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)
{
if(item -> mode == MODE_VAR)
{
+ if(item -> var -> class == OBERON_CLASS_PROC)
+ {
+ oberon_error(ctx, "casting static procedure to pointer not supported by generator");
+ }
+
gen_var_t * gen_var = item -> var -> gen_var;
left = gen_var -> gcc_lvalue;
if(item -> var -> class == OBERON_CLASS_VAR_PARAM)
}
else if(item -> mode == MODE_CALL)
{
- assert(item -> var -> class == OBERON_CLASS_PROC);
-
oberon_type_t * signature = item -> var -> type;
gen_proc_t * gen_proc = item -> var -> gen_proc;
arg_param = arg_param -> next;
}
- gcc_jit_function * func = gen_proc -> gcc_func;
- right = gcc_jit_context_new_call(
- gcc_context, NULL, func, num_args, args
- );
+ gcc_jit_rvalue * fnptr;
+ gcc_jit_function * func;
+ switch(item -> var -> class)
+ {
+ case OBERON_CLASS_PROC:
+ func = gen_proc -> gcc_func;
+ right = gcc_jit_context_new_call(
+ gcc_context, NULL, func, num_args, args
+ );
+ break;
+ case OBERON_CLASS_VAR:
+ case OBERON_CLASS_VAR_PARAM:
+ case OBERON_CLASS_PARAM:
+ fnptr = gcc_jit_lvalue_as_rvalue(item -> var -> gen_var -> gcc_lvalue);
+ right = gcc_jit_context_new_call_through_ptr(
+ gcc_context, NULL, fnptr, num_args, args
+ );
+ break;
+ default:
+ assert(0);
+ break;
+ }
}
else if(item -> mode == MODE_INDEX)
{
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 },
@@ -583,8 +667,11 @@ oberon_generate_assign(oberon_context_t * ctx, oberon_expr_t * src, oberon_expr_
}
}
+ printf("oberon_generate_assign: class %i := class %i\n", dst -> result -> class, src -> result -> class);
+
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);
}
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
gcc_jit_context * gcc_context = gen_context -> gcc_context;
gcc_jit_context_dump_to_file(gcc_context, path, 0);
}
+
+void *
+oberon_generator_get_procedure(oberon_context_t * ctx, const char * name)
+{
+ gen_context_t * gen_context = ctx -> gen_context;
+ gcc_jit_result * gcc_result = gen_context -> gcc_result;
+
+ return gcc_jit_result_get_code(gcc_result, name);
+}
+
+void *
+oberon_generator_get_var(oberon_context_t * ctx, const char * name)
+{
+ gen_context_t * gen_context = ctx -> gen_context;
+ gcc_jit_result * gcc_result = gen_context -> gcc_result;
+
+ return gcc_jit_result_get_global(gcc_result, name);
+}