test/ast-macros.h

   1 #ifndef TEST_AST_MACROS_HDR
   2 #define TEST_AST_MACROS_HDR
   3
   4 #define TESTVARS()   \
   5 ast_block *curblock; \
   6 lex_ctx    ctx
   7
   8 #define TESTINIT()   \
   9 ctx.file = NULL;     \
  10 ctx.line = 1;
  11
  12 #define DEFVAR(name) \
  13 ast_value *name
  14
  15 #define VAR(type, name) \
  16 name = ast_value_new(ctx, #name, type)
  17
  18 #define VARnamed(type, name, varname) \
  19 name = ast_value_new(ctx, #varname, type)
  20
  21 #define MKGLOBAL(name) \
  22 assert(globals_add(name) >= 0)
  23
  24 #define MKCONSTFLOAT(name, value)  \
  25 do {                               \
  26     name->isconst = true;          \
  27     name->constval.vfloat = value; \
  28     MKGLOBAL(name);                \
  29 } while(0)
  30
  31 #define MKCONSTSTRING(name, value)               \
  32 do {                                             \
  33     name->isconst = true;                        \
  34     name->constval.vstring = util_strdup(value); \
  35     MKGLOBAL(name);                              \
  36 } while(0)
  37
  38 #define STATE(a)                                 \
  39 do {                                             \
  40     ast_expression *exp = (ast_expression*)(a);  \
  41     assert(ast_block_exprs_add(curblock, exp)); \
  42 } while(0)
  43
  44 #define ASSIGN(op, a, b) \
  45 (ast_expression*)ast_store_new(ctx, INSTR_##op, (ast_expression*)(a), (ast_expression*)(b))
  46
  47 #define BIN(op, a, b) \
  48 (ast_expression*)ast_binary_new(ctx, INSTR_##op, (ast_expression*)(a), (ast_expression*)(b))
  49
  50 #define CALL(what)                                             \
  51 do {                                                           \
  52     ast_call *call = ast_call_new(ctx, (ast_expression*)what); \
  53
  54 #define CALLPARAM(x)                                       \
  55     assert(ast_call_params_add(call, (ast_expression*)x));
  56
  57 #define ENDCALL()                                \
  58     STATE(call);                                 \
  59 } while(0)
  60
  61 #define WHILE(cond)                                    \
  62 do {                                                   \
  63     ast_expression *wh_cond = (ast_expression*)(cond); \
  64     ast_block *wh_body = ast_block_new(ctx);           \
  65     ast_block *oldcur = curblock;                      \
  66     ast_loop  *loop;                                   \
  67     curblock = wh_body;
  68
  69 #define ENDWHILE()                                             \
  70     curblock = oldcur;                                         \
  71     loop = ast_loop_new(ctx, NULL, (ast_expression*)wh_cond,   \
  72                         NULL, NULL, (ast_expression*)wh_body); \
  73     assert(loop);                                              \
  74     STATE(loop);                                               \
  75 } while(0)
  76
  77 #define BUILTIN(name, outtype, number)                              \
  78 do {                                                                \
  79     ast_function *func_##name;                                      \
  80     ast_value    *thisfuncval;                                      \
  81     ast_function *thisfunc;                                         \
  82     DEFVAR(return_##name);                                          \
  83     VARnamed(TYPE_FUNCTION, name, name);                            \
  84     VARnamed(outtype, return_##name, "#returntype");                \
  85     name->expression.next = (ast_expression*)return_##name;         \
  86     MKGLOBAL(name);                                                 \
  87     func_##name = ast_function_new(ctx, #name, name);               \
  88     thisfunc = func_##name;                                         \
  89     (void)thisfunc;                                                 \
  90     thisfuncval = name;                                             \
  91     (void)thisfuncval;                                              \
  92     assert(functions_add(func_##name) >= 0);                        \
  93     func_##name->builtin = number;
  94
  95 #define ENDBUILTIN() } while(0)
  96
  97 #define PARAM(ptype, name)                           \
  98 do {                                                 \
  99     DEFVAR(parm);                                    \
 100     VARnamed(ptype, parm, name);                     \
 101     assert(ast_value_params_add(thisfuncval, parm)); \
 102 } while(0)
 103
 104 #define FUNCTION(name, outtype)                                   \
 105 do {                                                              \
 106     ast_function *thisfunc;                                       \
 107     ast_function *func_##name;                                    \
 108     ast_block    *my_funcblock;                                   \
 109     DEFVAR(var_##name);                                           \
 110     DEFVAR(return_##name);                                        \
 111     VARnamed(TYPE_FUNCTION, var_##name, name);                    \
 112     VARnamed(outtype, return_##name, "#returntype");              \
 113     var_##name->expression.next = (ast_expression*)return_##name; \
 114     MKGLOBAL(var_##name);                                         \
 115     func_##name = ast_function_new(ctx, #name, var_##name);       \
 116     thisfunc = func_##name;                                       \
 117     (void)thisfunc;                                               \
 118     assert(functions_add(func_##name) >= 0);                      \
 119     my_funcblock = ast_block_new(ctx);                            \
 120     assert(my_funcblock);                                         \
 121     assert(ast_function_blocks_add(func_##name, my_funcblock));   \
 122     curblock = my_funcblock;
 123
 124 #define MKLOCAL(var) \
 125     assert(ast_block_locals_add(curblock, var))
 126
 127 #define ENDFUNCTION(name) \
 128 } while(0)
 129
 130 #endif