diff --git a/src/oberon.c b/src/oberon.c
index d6aefad6c94437641293674e57a730b7de2656e0..1d9e670e82fcc1c2e197b7bcbeea9b91cc935782 100644 (file)
--- a/src/oberon.c
+++ b/src/oberon.c
#include <gc.h>
#include <gc.h>
-#include "../include/oberon.h"
-
#include "oberon-internals.h"
#include "oberon-type-compat.h"
#include "oberon-common.h"
#include "oberon-internals.h"
#include "oberon-type-compat.h"
#include "oberon-common.h"
return expr;
}
return expr;
}
+static oberon_expr_t *
+oberon_make_system_byte(oberon_context_t * ctx, int64_t i)
+{
+ oberon_expr_t * expr;
+ expr = oberon_new_item(MODE_SYSBYTE, ctx -> system_byte_type, true);
+ expr -> item.integer = i;
+ expr -> item.real = i;
+ return expr;
+}
+
static oberon_expr_t *
oberon_make_char(oberon_context_t * ctx, int64_t i)
{
static oberon_expr_t *
oberon_make_char(oberon_context_t * ctx, int64_t i)
{
return expr;
}
return expr;
}
+static oberon_expr_t *
+oberon_make_string(oberon_context_t * ctx, char * str)
+{
+ oberon_expr_t * expr;
+ expr = oberon_new_item(MODE_STRING, ctx -> string_type, true);
+ expr -> item.integer = str[0];
+ expr -> item.real = str[0];
+ expr -> item.string = str;
+ return expr;
+}
+
static oberon_expr_t *
oberon_make_real_typed(oberon_context_t * ctx, double r, oberon_type_t * result)
{
static oberon_expr_t *
oberon_make_real_typed(oberon_context_t * ctx, double r, oberon_type_t * result)
{
if(ctx -> code[ctx -> code_index])
{
ctx -> code_index += 1;
if(ctx -> code[ctx -> code_index])
{
ctx -> code_index += 1;
+ ctx -> xloc.col += 1;
ctx -> c = ctx -> code[ctx -> code_index];
}
}
static void
ctx -> c = ctx -> code[ctx -> code_index];
}
}
static void
-oberon_init_scaner(oberon_context_t * ctx, const char * code)
+oberon_init_scaner(oberon_context_t * ctx, oberon_scanner_t * s)
{
{
- ctx -> code = code;
+ ctx -> code = s -> code;
ctx -> code_index = 0;
ctx -> code_index = 0;
+ ctx -> xloc.source = s -> source;
+ ctx -> xloc.line = 1;
+ ctx -> xloc.col = 1;
+ ctx -> loc = ctx -> xloc;
ctx -> c = ctx -> code[ctx -> code_index];
}
ctx -> c = ctx -> code[ctx -> code_index];
}
int start = ctx -> code_index;
oberon_get_char(ctx);
int start = ctx -> code_index;
oberon_get_char(ctx);
- while(isalnum(ctx -> c))
+ while(isalnum(ctx -> c) || ctx -> c == '_')
{
oberon_get_char(ctx);
}
{
oberon_get_char(ctx);
}
ctx -> real = real;
}
ctx -> real = real;
}
+static void
+oberon_get_lined_char(oberon_context_t * ctx)
+{
+ do
+ {
+ if(ctx -> c == 0xD)
+ {
+ oberon_get_char(ctx);
+ if(ctx -> c == 0xA)
+ {
+ oberon_get_char(ctx);
+ }
+ ctx -> xloc.line += 1;
+ ctx -> xloc.col = 1;
+ }
+ else if(ctx -> c == 0xA)
+ {
+ oberon_get_char(ctx);
+ ctx -> xloc.line += 1;
+ ctx -> xloc.col = 1;
+ }
+ else
+ {
+ oberon_get_char(ctx);
+ }
+ } while(ctx -> c == 0xD || ctx -> c == 0xA);
+}
+
static void
oberon_skip_space(oberon_context_t * ctx)
{
while(isspace(ctx -> c))
{
static void
oberon_skip_space(oberon_context_t * ctx)
{
while(isspace(ctx -> c))
{
- oberon_get_char(ctx);
+ oberon_get_lined_char(ctx);
}
}
}
}
{
if(ctx -> c == '(')
{
{
if(ctx -> c == '(')
{
- oberon_get_char(ctx);
+ oberon_get_lined_char(ctx);
if(ctx -> c == '*')
{
if(ctx -> c == '*')
{
- oberon_get_char(ctx);
+ oberon_get_lined_char(ctx);
nesting += 1;
}
}
else if(ctx -> c == '*')
{
nesting += 1;
}
}
else if(ctx -> c == '*')
{
- oberon_get_char(ctx);
+ oberon_get_lined_char(ctx);
if(ctx -> c == ')')
{
if(ctx -> c == ')')
{
- oberon_get_char(ctx);
+ oberon_get_lined_char(ctx);
nesting -= 1;
}
}
nesting -= 1;
}
}
}
else
{
}
else
{
- oberon_get_char(ctx);
+ oberon_get_lined_char(ctx);
}
}
}
}
}
}
{
oberon_skip_space(ctx);
{
oberon_skip_space(ctx);
+ ctx -> loc = ctx -> xloc;
+
int c = ctx -> c;
int c = ctx -> c;
- if(isalpha(c))
+ if(isalpha(c) || c == '_')
{
oberon_read_ident(ctx);
}
{
oberon_read_ident(ctx);
}
@@ -1034,6 +1088,12 @@ oberon_cast_expr(oberon_context_t * ctx, oberon_expr_t * expr, oberon_type_t * p
cast = oberon_new_item(MODE_CHAR, ctx -> char_type, true);
cast -> item.integer = expr -> item.string[0];
}
cast = oberon_new_item(MODE_CHAR, ctx -> char_type, true);
cast -> item.integer = expr -> item.string[0];
}
+ else if(oberon_is_record_type(pref) || oberon_is_pointer_to_record(pref))
+ {
+ assert(expr -> is_item);
+ cast = oberon_new_item(MODE_AS, pref, expr -> read_only);
+ cast -> item.parent = (oberon_item_t *) expr;
+ }
else if(!oberon_is_some_types(expr -> result, pref))
{
cast = oberon_new_operator(OP_CAST, pref, expr, NULL);
else if(!oberon_is_some_types(expr -> result, pref))
{
cast = oberon_new_operator(OP_CAST, pref, expr, NULL);
@@ -1046,6 +1106,12 @@ oberon_cast_expr(oberon_context_t * ctx, oberon_expr_t * expr, oberon_type_t * p
return cast;
}
return cast;
}
+static oberon_expr_t *
+oberon_hard_cast_expr(oberon_context_t * ctx, oberon_expr_t * expr, oberon_type_t * pref)
+{
+ return oberon_new_operator(OP_HARDCAST, pref, expr, NULL);
+}
+
static void
oberon_check_dst(oberon_context_t * ctx, oberon_expr_t * dst)
{
static void
oberon_check_dst(oberon_context_t * ctx, oberon_expr_t * dst)
{
@@ -1232,6 +1298,7 @@ oberon_make_call_proc(oberon_context_t * ctx, oberon_item_t * item, int num_args
|| ((x) == CHAR) \
|| ((x) == STRING) \
|| ((x) == NIL) \
|| ((x) == CHAR) \
|| ((x) == STRING) \
|| ((x) == NIL) \
+ || ((x) == LBRACE) \
|| ((x) == LPAREN) \
|| ((x) == NOT))
|| ((x) == LPAREN) \
|| ((x) == NOT))
oberon_assert_token(ctx, CHAR);
break;
case STRING:
oberon_assert_token(ctx, CHAR);
break;
case STRING:
- result = ctx -> string_type;
- expr = oberon_new_item(MODE_STRING, result, true);
- expr -> item.string = ctx -> string;
+ expr = oberon_make_string(ctx, ctx -> string);
oberon_assert_token(ctx, STRING);
break;
case REAL:
oberon_assert_token(ctx, STRING);
break;
case REAL:
@@ -1689,7 +1754,7 @@ oberon_make_bin_op(oberon_context_t * ctx, int token, oberon_expr_t * a, oberon_
oberon_expr_t * expr;
oberon_type_t * result;
oberon_expr_t * expr;
oberon_type_t * result;
- oberon_check_compatible_bin_expr_types(ctx, token, a -> result, b -> result);
+ oberon_check_compatible_bin_expr(ctx, token, a, b);
oberon_check_src(ctx, a);
if(token != IS)
{
oberon_check_src(ctx, a);
if(token != IS)
{
@@ -1714,7 +1779,22 @@ oberon_make_bin_op(oberon_context_t * ctx, int token, oberon_expr_t * a, oberon_
}
else if((token >= EQUAL && token <= GEQ) || token == OR || token == AND)
{
}
else if((token >= EQUAL && token <= GEQ) || token == OR || token == AND)
{
- result = oberon_get_longer_type(ctx, a -> result, b -> result);
+ if(oberon_is_string_of_one(a) && oberon_is_char_type(b -> result))
+ {
+ result = b -> result;
+ }
+ else if(oberon_is_string_of_one(b) && oberon_is_char_type(a -> result))
+ {
+ result = a -> result;
+ }
+ else if(oberon_is_string_of_one(a) && oberon_is_string_of_one(b))
+ {
+ result = ctx -> char_type;
+ }
+ else
+ {
+ result = oberon_get_longer_type(ctx, a -> result, b -> result);
+ }
if(oberon_is_const(a) && oberon_is_const(b)
&& (oberon_is_real_type(result) || oberon_is_integer_type(result)))
if(oberon_is_const(a) && oberon_is_const(b)
&& (oberon_is_real_type(result) || oberon_is_integer_type(result)))
@@ -1885,7 +1965,7 @@ oberon_make_bin_op(oberon_context_t * ctx, int token, oberon_expr_t * a, oberon_
break;
}
}
break;
}
}
- else if(oberon_is_number_type(result))
+ else if(oberon_is_real_type(result))
{
switch(token)
{
{
switch(token)
{
@@ -1899,6 +1979,32 @@ oberon_make_bin_op(oberon_context_t * ctx, int token, oberon_expr_t * a, oberon_
expr = oberon_new_operator(OP_MUL, result, a, b);
break;
default:
expr = oberon_new_operator(OP_MUL, result, a, b);
break;
default:
+ printf("token %i line %i\n", token, ctx -> loc.line);
+ assert(0);
+ break;
+ }
+ }
+ else if(oberon_is_integer_type(result))
+ {
+ switch(token)
+ {
+ case PLUS:
+ expr = oberon_new_operator(OP_ADD, result, a, b);
+ break;
+ case MINUS:
+ expr = oberon_new_operator(OP_SUB, result, a, b);
+ break;
+ case STAR:
+ expr = oberon_new_operator(OP_MUL, result, a, b);
+ break;
+ case DIV:
+ expr = oberon_new_operator(OP_DIV, result, a, b);
+ break;
+ case MOD:
+ expr = oberon_new_operator(OP_MOD, result, a, b);
+ break;
+ default:
+ printf("token %i line %i\n", token, ctx -> loc.line);
assert(0);
break;
}
assert(0);
break;
}
case MODE_STRING:
case MODE_SET:
case MODE_TYPE:
case MODE_STRING:
case MODE_SET:
case MODE_TYPE:
+ case MODE_SYSBYTE:
return true;
break;
default:
return true;
break;
default:
oberon_error(ctx, "procedure name not matched");
}
oberon_error(ctx, "procedure name not matched");
}
- if(proc -> type -> base -> class == OBERON_TYPE_NOTYPE
- && proc -> has_return == 0)
+ if(proc -> type -> base -> class == OBERON_TYPE_NOTYPE)
{
oberon_make_return(ctx, NULL);
}
{
oberon_make_return(ctx, NULL);
}
@@ -2525,9 +2631,8 @@ oberon_field_list(oberon_context_t * ctx, oberon_type_t * rec, oberon_scope_t *
static void
oberon_type_record_body(oberon_context_t * ctx, oberon_type_t * rec)
{
static void
oberon_type_record_body(oberon_context_t * ctx, oberon_type_t * rec)
{
- oberon_scope_t * modscope = ctx -> mod -> decl;
oberon_scope_t * oldscope = ctx -> decl;
oberon_scope_t * oldscope = ctx -> decl;
- ctx -> decl = modscope;
+ ctx -> decl = oldscope;
if(ctx -> token == LPAREN)
{
if(ctx -> token == LPAREN)
{
this_scope -> parent = NULL;
this_scope -> parent_type = rec;
this_scope -> parent = NULL;
this_scope -> parent_type = rec;
- oberon_field_list(ctx, rec, modscope);
+ oberon_field_list(ctx, rec, oldscope);
while(ctx -> token == SEMICOLON)
{
oberon_assert_token(ctx, SEMICOLON);
while(ctx -> token == SEMICOLON)
{
oberon_assert_token(ctx, SEMICOLON);
- oberon_field_list(ctx, rec, modscope);
+ oberon_field_list(ctx, rec, oldscope);
}
rec -> scope = this_scope;
}
rec -> scope = this_scope;
@@ -2717,7 +2822,14 @@ oberon_prevent_recursive_pointer(oberon_context_t * ctx, oberon_type_t * type)
if(type -> recursive)
{
if(type -> recursive)
{
- oberon_error(ctx, "recursive pointer declaration");
+ if(type -> class == OBERON_TYPE_POINTER)
+ {
+ oberon_error(ctx, "recursive pointer declaration");
+ }
+ else
+ {
+ oberon_error(ctx, "recursive array declaration (pointer)");
+ }
}
if(type -> class == OBERON_TYPE_POINTER
}
if(type -> class == OBERON_TYPE_POINTER
@@ -2870,20 +2982,12 @@ static void oberon_initialize_type(oberon_context_t * ctx, oberon_type_t * type)
static void
oberon_initialize_record_fields(oberon_context_t * ctx, oberon_type_t * type)
{
static void
oberon_initialize_record_fields(oberon_context_t * ctx, oberon_type_t * type)
{
- if(type -> class != OBERON_TYPE_RECORD)
- {
- return;
- }
+ assert(type -> class == OBERON_TYPE_RECORD);
int num_fields = type -> num_decl;
oberon_object_t * field = type -> decl;
for(int i = 0; i < num_fields; i++)
{
int num_fields = type -> num_decl;
oberon_object_t * field = type -> decl;
for(int i = 0; i < num_fields; i++)
{
- if(field -> type -> class == OBERON_TYPE_POINTER)
- {
- oberon_initialize_type(ctx, field -> type);
- }
-
oberon_initialize_object(ctx, field);
field = field -> next;
}
oberon_initialize_object(ctx, field);
field = field -> next;
}
type -> initialized = 1;
type -> initialized = 1;
- if(type -> class == OBERON_TYPE_POINTER)
- {
- oberon_initialize_type(ctx, type -> base);
- oberon_generator_init_type(ctx, type);
- }
- else if(type -> class == OBERON_TYPE_ARRAY)
+ if(type -> class == OBERON_TYPE_POINTER || type -> class == OBERON_TYPE_ARRAY)
{
{
- if(type -> size != 0)
+ if(type -> class == OBERON_TYPE_ARRAY
+ && type -> size != 0
+ && type -> base -> class == OBERON_TYPE_ARRAY
+ && type -> base -> size == 0)
{
{
- if(type -> base -> class == OBERON_TYPE_ARRAY)
- {
- if(type -> base -> size == 0)
- {
- oberon_error(ctx, "open array not allowed as array element");
- }
- }
+ oberon_error(ctx, "open array not allowed as array element");
}
}
- oberon_initialize_type(ctx, type -> base);
- oberon_generator_init_type(ctx, type);
+ oberon_type_t * rec = type -> base;
+ while(rec -> class == OBERON_TYPE_ARRAY || rec -> class == OBERON_TYPE_POINTER)
+ {
+ rec = rec -> base;
+ }
+
+ if(rec -> class == OBERON_TYPE_RECORD
+ && rec -> initialized == 0)
+ {
+ rec -> initialized = 1;
+ oberon_generator_init_type(ctx, rec);
+ oberon_initialize_type(ctx, type -> base);
+ oberon_generator_init_type(ctx, type);
+ oberon_initialize_record_fields(ctx, rec);
+ }
+ else
+ {
+ oberon_initialize_type(ctx, type -> base);
+ oberon_generator_init_type(ctx, type);
+ }
}
else if(type -> class == OBERON_TYPE_RECORD)
{
}
else if(type -> class == OBERON_TYPE_RECORD)
{
+ printf("Init type: RECORD\n");
oberon_generator_init_type(ctx, type);
oberon_initialize_record_fields(ctx, type);
}
else if(type -> class == OBERON_TYPE_PROCEDURE)
{
oberon_generator_init_type(ctx, type);
oberon_initialize_record_fields(ctx, type);
}
else if(type -> class == OBERON_TYPE_PROCEDURE)
{
+ printf("Init type: PROCEDURE\n");
int num_fields = type -> num_decl;
oberon_object_t * field = type -> decl;
for(int i = 0; i < num_fields; i++)
{
int num_fields = type -> num_decl;
oberon_object_t * field = type -> decl;
for(int i = 0; i < num_fields; i++)
{
- //oberon_initialize_object(ctx, field);
oberon_initialize_type(ctx, field -> type);
field = field -> next;
}
oberon_initialize_type(ctx, field -> type);
field = field -> next;
}
static void
oberon_decl_seq(oberon_context_t * ctx)
{
static void
oberon_decl_seq(oberon_context_t * ctx)
{
- if(ctx -> token == CONST)
+ while(ctx -> token >= CONST && ctx -> token <= VAR)
{
{
- oberon_assert_token(ctx, CONST);
- while(ctx -> token == IDENT)
+ if(ctx -> token == CONST)
{
{
- oberon_const_decl(ctx);
- oberon_assert_token(ctx, SEMICOLON);
+ oberon_assert_token(ctx, CONST);
+ while(ctx -> token == IDENT)
+ {
+ oberon_const_decl(ctx);
+ oberon_assert_token(ctx, SEMICOLON);
+ }
}
}
- }
-
- if(ctx -> token == TYPE)
- {
- oberon_assert_token(ctx, TYPE);
- while(ctx -> token == IDENT)
+ else if(ctx -> token == TYPE)
{
{
- oberon_type_decl(ctx);
- oberon_assert_token(ctx, SEMICOLON);
+ oberon_assert_token(ctx, TYPE);
+ while(ctx -> token == IDENT)
+ {
+ oberon_type_decl(ctx);
+ oberon_assert_token(ctx, SEMICOLON);
+ }
}
}
- }
-
- if(ctx -> token == VAR)
- {
- oberon_assert_token(ctx, VAR);
- while(ctx -> token == IDENT)
+ else if(ctx -> token == VAR)
{
{
- oberon_var_decl(ctx);
- oberon_assert_token(ctx, SEMICOLON);
+ oberon_assert_token(ctx, VAR);
+ while(ctx -> token == IDENT)
+ {
+ oberon_var_decl(ctx);
+ oberon_assert_token(ctx, SEMICOLON);
+ }
}
}
}
}
oberon_expr_t * cond2;
e1 = (oberon_expr_t *) oberon_const_expr(ctx);
oberon_expr_t * cond2;
e1 = (oberon_expr_t *) oberon_const_expr(ctx);
-
+
e2 = NULL;
if(ctx -> token == DOTDOT)
{
e2 = NULL;
if(ctx -> token == DOTDOT)
{
static void
oberon_with_guard_do(oberon_context_t * ctx, gen_label_t * end)
{
static void
oberon_with_guard_do(oberon_context_t * ctx, gen_label_t * end)
{
- oberon_expr_t * val;
- oberon_expr_t * var;
- oberon_expr_t * type;
+ oberon_object_t * var;
+ oberon_expr_t * var_expr;
+ oberon_expr_t * type_expr;
oberon_expr_t * cond;
oberon_expr_t * cond;
- oberon_expr_t * cast;
+ oberon_type_t * type;
oberon_type_t * old_type;
oberon_type_t * old_type;
- gen_var_t * old_var;
gen_label_t * this_end;
this_end = oberon_generator_reserve_label(ctx);
gen_label_t * this_end;
this_end = oberon_generator_reserve_label(ctx);
- var = oberon_qualident_expr(ctx);
+ var_expr = oberon_qualident_expr(ctx);
oberon_assert_token(ctx, COLON);
oberon_assert_token(ctx, COLON);
- type = oberon_qualident_expr(ctx);
- cond = oberon_make_bin_op(ctx, IS, var, type);
+ type_expr = oberon_qualident_expr(ctx);
+ cond = oberon_make_bin_op(ctx, IS, var_expr, type_expr);
+
+ var = var_expr -> item.var;
+ type = type_expr -> result;
+ old_type = var -> type;
oberon_assert_token(ctx, DO);
oberon_generate_branch(ctx, cond, false, this_end);
oberon_assert_token(ctx, DO);
oberon_generate_branch(ctx, cond, false, this_end);
- /* Сохраняем ссылку во временной переменной */
- val = oberon_make_temp_var_item(ctx, type -> result);
- //cast = oberno_make_record_cast(ctx, var, type -> result);
- cast = oberon_cast_expr(ctx, var, type -> result);
- oberon_assign(ctx, cast, val);
- /* Подменяем тип у оригинальной переменной */
- old_type = var -> item.var -> type;
- var -> item.var -> type = type -> result;
- /* Подменяем ссылку на переменную */
- old_var = var -> item.var -> gen_var;
- var -> item.var -> gen_var = val -> item.var -> gen_var;
+ var -> type = type;
+ oberon_set_typecheck(var, true);
oberon_statement_seq(ctx);
oberon_statement_seq(ctx);
+
+ var -> type = old_type;
+ oberon_set_typecheck(var, false);
+
oberon_generate_goto(ctx, end);
oberon_generate_label(ctx, this_end);
oberon_generate_goto(ctx, end);
oberon_generate_label(ctx, this_end);
-
- /* Возвращаем исходное состояние */
- var -> item.var -> gen_var = old_var;
- var -> item.var -> type = old_type;
}
static void
}
static void
oberon_error(ctx, "condition must be boolean");
}
oberon_error(ctx, "condition must be boolean");
}
- oberon_generate_branch(ctx, cond, true, begin);
+ oberon_generate_branch(ctx, cond, false, begin);
}
else if(ctx -> token == FOR)
{
}
else if(ctx -> token == FOR)
{
if(m == NULL)
{
if(m == NULL)
{
- const char * code;
- code = ctx -> import_module(name);
- if(code == NULL)
+ oberon_scanner_t * s;
+ s = ctx -> import_module(name);
+ if(s == NULL)
{
{
- oberon_error(ctx, "no such module");
+ oberon_error(ctx, "no such module %s", name);
}
}
- m = oberon_compile_module(ctx, code);
+ m = oberon_compile_module(ctx, s);
assert(m);
}
assert(m);
}
@@ -3777,7 +3887,7 @@ oberon_make_abs_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
arg = list_args;
oberon_check_src(ctx, arg);
arg = list_args;
oberon_check_src(ctx, arg);
- if(oberon_is_number_type(arg -> result))
+ if(!oberon_is_number_type(arg -> result))
{
oberon_error(ctx, "ABS accepts only numbers");
}
{
oberon_error(ctx, "ABS accepts only numbers");
}
@@ -3811,7 +3921,7 @@ oberon_make_inc_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
oberon_error(ctx, "too few arguments");
}
oberon_error(ctx, "too few arguments");
}
- if(num_args > 1)
+ if(num_args > 2)
{
oberon_error(ctx, "too mach arguments");
}
{
oberon_error(ctx, "too mach arguments");
}
@@ -3825,8 +3935,23 @@ oberon_make_inc_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
oberon_error(ctx, "expect integer");
}
oberon_error(ctx, "expect integer");
}
+ oberon_expr_t * step;
+ if(num_args == 2)
+ {
+ step = list_args -> next;
+ oberon_check_src(ctx, step);
+ if(!oberon_is_integer_type(step -> result))
+ {
+ oberon_error(ctx, "expect integer");
+ }
+ }
+ else
+ {
+ step = oberon_make_integer(ctx, 1);
+ }
+
oberon_expr_t * expr;
oberon_expr_t * expr;
- expr = oberon_make_bin_op(ctx, PLUS, dst, oberon_make_integer(ctx, 1));
+ expr = oberon_make_bin_op(ctx, PLUS, dst, step);
oberon_assign(ctx, expr, dst);
}
oberon_assign(ctx, expr, dst);
}
@@ -3910,7 +4035,7 @@ oberon_make_dec_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
oberon_error(ctx, "too few arguments");
}
oberon_error(ctx, "too few arguments");
}
- if(num_args > 1)
+ if(num_args > 2)
{
oberon_error(ctx, "too mach arguments");
}
{
oberon_error(ctx, "too mach arguments");
}
@@ -3924,8 +4049,23 @@ oberon_make_dec_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
oberon_error(ctx, "expect integer");
}
oberon_error(ctx, "expect integer");
}
+ oberon_expr_t * step;
+ if(num_args == 2)
+ {
+ step = list_args -> next;
+ oberon_check_src(ctx, step);
+ if(!oberon_is_integer_type(step -> result))
+ {
+ oberon_error(ctx, "expect integer");
+ }
+ }
+ else
+ {
+ step = oberon_make_integer(ctx, 1);
+ }
+
oberon_expr_t * expr;
oberon_expr_t * expr;
- expr = oberon_make_bin_op(ctx, MINUS, dst, oberon_make_integer(ctx, 1));
+ expr = oberon_make_bin_op(ctx, MINUS, dst, step);
oberon_assign(ctx, expr, dst);
}
oberon_assign(ctx, expr, dst);
}
@@ -4150,7 +4290,8 @@ oberon_make_ash_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
{
int64_t x = arg1 -> item.integer;
int64_t y = arg2 -> item.integer;
{
int64_t x = arg1 -> item.integer;
int64_t y = arg2 -> item.integer;
- expr = oberon_make_integer(ctx, x * powl(2, y));
+ int64_t v = (y > 0) ? (x << y) : (x >> labs(y));
+ expr = oberon_make_integer(ctx, v);
}
else
{
}
else
{
@@ -4160,6 +4301,140 @@ oberon_make_ash_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
return expr;
}
return expr;
}
+static oberon_expr_t *
+oberon_make_lsh_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
+{
+ if(num_args < 2)
+ {
+ oberon_error(ctx, "too few arguments");
+ }
+
+ if(num_args > 2)
+ {
+ oberon_error(ctx, "too mach arguments");
+ }
+
+ oberon_expr_t * arg1;
+ arg1 = list_args;
+ oberon_check_src(ctx, arg1);
+
+ oberon_type_t * t = arg1 -> result;
+ if(!oberon_is_integer_type(t)
+ && !oberon_is_char_type(t)
+ && !oberon_is_system_byte_type(t))
+ {
+ oberon_error(ctx, "expected integer, char, or SYSTEM.BYTE");
+ }
+
+ oberon_expr_t * arg2;
+ arg2 = list_args -> next;
+ oberon_check_src(ctx, arg2);
+ if(arg2 -> result -> class != OBERON_TYPE_INTEGER)
+ {
+ oberon_error(ctx, "expected integer");
+ }
+
+ oberon_expr_t * expr;
+ if(oberon_is_const(arg1) && oberon_is_const(arg2))
+ {
+ uint64_t x = arg1 -> item.integer;
+ int64_t y = arg2 -> item.integer;
+ uint64_t v = (y > 0) ? (x << y) : (x >> labs(y));
+
+ if(oberon_is_integer_type(t))
+ {
+ expr = oberon_make_integer(ctx, v);
+ }
+ else if(oberon_is_char_type(t))
+ {
+ expr = oberon_make_char(ctx, v);
+ }
+ else
+ {
+ expr = oberon_make_system_byte(ctx, v);
+ }
+ }
+ else
+ {
+ expr = oberon_new_operator(OP_LSH, arg1 -> result, arg1, arg2);
+ expr = oberon_cast_expr(ctx, expr, t);
+ }
+
+ return expr;
+}
+
+static oberon_expr_t *
+oberon_make_rot_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
+{
+ if(num_args < 2)
+ {
+ oberon_error(ctx, "too few arguments");
+ }
+
+ if(num_args > 2)
+ {
+ oberon_error(ctx, "too mach arguments");
+ }
+
+ oberon_expr_t * arg1;
+ arg1 = list_args;
+ oberon_check_src(ctx, arg1);
+
+ oberon_type_t * t = arg1 -> result;
+ if(!oberon_is_integer_type(t)
+ && !oberon_is_char_type(t)
+ && !oberon_is_system_byte_type(t))
+ {
+ oberon_error(ctx, "expected integer, char, or SYSTEM.BYTE");
+ }
+
+ oberon_expr_t * arg2;
+ arg2 = list_args -> next;
+ oberon_check_src(ctx, arg2);
+ if(arg2 -> result -> class != OBERON_TYPE_INTEGER)
+ {
+ oberon_error(ctx, "expected integer");
+ }
+
+ oberon_expr_t * expr;
+ if(oberon_is_const(arg1) && oberon_is_const(arg2))
+ {
+ uint64_t x = arg1 -> item.integer;
+ int64_t y = arg2 -> item.integer;
+
+ uint64_t v = 0;
+ if(y > 0)
+ {
+ v = (x << y) | (x >> (64 - y));
+ }
+ else
+ {
+ y = labs(y);
+ v = (x >> y) | (x << (64 - y));
+ }
+
+ if(oberon_is_integer_type(t))
+ {
+ expr = oberon_make_integer(ctx, v);
+ }
+ else if(oberon_is_char_type(t))
+ {
+ expr = oberon_make_char(ctx, v);
+ }
+ else
+ {
+ expr = oberon_make_system_byte(ctx, v);
+ }
+ }
+ else
+ {
+ expr = oberon_new_operator(OP_ROT, arg1 -> result, arg1, arg2);
+ expr = oberon_cast_expr(ctx, expr, t);
+ }
+
+ return expr;
+}
+
static oberon_expr_t *
oberon_make_cap_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
{
static oberon_expr_t *
oberon_make_cap_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
{
@@ -4246,7 +4521,7 @@ oberon_make_ord_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
arg = list_args;
oberon_check_src(ctx, arg);
arg = list_args;
oberon_check_src(ctx, arg);
- if(!oberon_is_char_type(arg -> result))
+ if(!oberon_is_char_type(arg -> result) && !oberon_is_string_of_one(arg))
{
oberon_error(ctx, "expected char");
}
{
oberon_error(ctx, "expected char");
}
@@ -4258,7 +4533,7 @@ oberon_make_ord_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
}
else
{
}
else
{
- expr = oberon_cast_expr(ctx, arg, ctx -> int_type);
+ expr = oberon_cast_expr(ctx, arg, ctx -> shortint_type);
}
return expr;
}
}
return expr;
}
@@ -4325,6 +4600,38 @@ oberon_make_odd_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
return expr;
}
return expr;
}
+static oberon_expr_t *
+oberon_make_cc_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
+{
+ if(num_args < 1)
+ {
+ oberon_error(ctx, "too few arguments");
+ }
+
+ if(num_args > 1)
+ {
+ oberon_error(ctx, "too mach arguments");
+ }
+
+ oberon_expr_t * arg;
+ arg = list_args;
+ oberon_check_src(ctx, arg);
+ oberon_check_const(ctx, arg);
+
+ if(!oberon_is_integer_type(arg -> result))
+ {
+ oberon_error(ctx, "expected integer");
+ }
+
+ /* n >= 0 && n <= 15 */
+
+ oberon_expr_t * cond1;
+ oberon_expr_t * cond2;
+ cond1 = oberon_make_bin_op(ctx, GEQ, arg, oberon_make_integer(ctx, 0));
+ cond2 = oberon_make_bin_op(ctx, LEQ, arg, oberon_make_integer(ctx, 15));
+ return oberon_make_bin_op(ctx, AND, cond1, cond2);
+}
+
static oberon_expr_t *
oberon_make_short_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
{
static oberon_expr_t *
oberon_make_short_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
{
@@ -4379,6 +4686,35 @@ oberon_make_long_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list
return expr;
}
return expr;
}
+static oberon_expr_t *
+oberon_make_val_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
+{
+ if(num_args < 2)
+ {
+ oberon_error(ctx, "too few arguments");
+ }
+
+ if(num_args > 2)
+ {
+ oberon_error(ctx, "too mach arguments");
+ }
+
+ oberon_expr_t * typ;
+ typ = list_args;
+ if(!oberon_is_type_expr(typ))
+ {
+ oberon_error(ctx, "requires type");
+ }
+
+ oberon_expr_t * arg;
+ arg = list_args -> next;
+ oberon_check_src(ctx, arg);
+
+ oberon_expr_t * expr;
+ expr = oberon_hard_cast_expr(ctx, arg, typ -> result);
+ return expr;
+}
+
static oberon_expr_t *
oberon_make_len_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
{
static oberon_expr_t *
oberon_make_len_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
{
ctx -> system_byte_type = oberon_new_type_ptr(OBERON_TYPE_SYSTEM_BYTE);
oberon_generator_init_type(ctx, ctx -> system_byte_type);
ctx -> system_byte_type = oberon_new_type_ptr(OBERON_TYPE_SYSTEM_BYTE);
oberon_generator_init_type(ctx, ctx -> system_byte_type);
+ ctx -> system_ptr_type = oberon_new_type_ptr(OBERON_TYPE_SYSTEM_PTR);
+ oberon_generator_init_type(ctx, ctx -> system_ptr_type);
+
/* LONG / SHORT support */
ctx -> byte_type -> shorter = NULL;
ctx -> byte_type -> longer = ctx -> shortint_type;
/* LONG / SHORT support */
ctx -> byte_type -> shorter = NULL;
ctx -> byte_type -> longer = ctx -> shortint_type;
/* Types */
oberon_new_intrinsic_type(ctx, "BYTE", ctx -> system_byte_type);
/* Types */
oberon_new_intrinsic_type(ctx, "BYTE", ctx -> system_byte_type);
+ oberon_new_intrinsic_type(ctx, "PTR", ctx -> system_ptr_type);
+ oberon_new_intrinsic_type(ctx, "INT8", ctx -> byte_type);
+ oberon_new_intrinsic_type(ctx, "INT16", ctx -> shortint_type);
+ oberon_new_intrinsic_type(ctx, "INT32", ctx -> int_type);
+ oberon_new_intrinsic_type(ctx, "INT64", ctx -> longint_type);
+ oberon_new_intrinsic_type(ctx, "SET32", ctx -> set_type);
+
+ /* Functions */
+ oberon_new_intrinsic(ctx, "CC", oberon_make_cc_call, NULL);
+ oberon_new_intrinsic(ctx, "LSH", oberon_make_lsh_call, NULL);
+ oberon_new_intrinsic(ctx, "ROT", oberon_make_rot_call, NULL);
+ oberon_new_intrinsic(ctx, "VAL", oberon_make_val_call, NULL);
oberon_end_intrinsic_module(ctx, ctx -> system_module);
oberon_end_intrinsic_module(ctx, ctx -> system_module);
}
oberon_module_t *
}
oberon_module_t *
-oberon_compile_module(oberon_context_t * ctx, const char * newcode)
+oberon_compile_module(oberon_context_t * ctx, oberon_scanner_t * s)
{
const char * code = ctx -> code;
int code_index = ctx -> code_index;
{
const char * code = ctx -> code;
int code_index = ctx -> code_index;
+ oberon_location_t loc = ctx -> loc;
+ oberon_location_t xloc = ctx -> xloc;
char c = ctx -> c;
int token = ctx -> token;
char * string = ctx -> string;
char c = ctx -> c;
int token = ctx -> token;
char * string = ctx -> string;
ctx -> mod = module;
ctx -> module_list = module;
ctx -> mod = module;
ctx -> module_list = module;
- oberon_init_scaner(ctx, newcode);
+ oberon_init_scaner(ctx, s);
oberon_parse_module(ctx);
module -> ready = 1;
ctx -> code = code;
ctx -> code_index = code_index;
oberon_parse_module(ctx);
module -> ready = 1;
ctx -> code = code;
ctx -> code_index = code_index;
+ ctx -> loc = loc;
+ ctx -> xloc = xloc;
ctx -> c = c;
ctx -> token = token;
ctx -> string = string;
ctx -> c = c;
ctx -> token = token;
ctx -> string = string;