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 STATE(a)                                 \
  32 do {                                             \
  33     ast_expression *exp = (ast_expression*)(a);  \
  34     assert(ast_block_exprs_add(curblock, exp)); \
  35 } while(0)
  36
  37 #define ASSIGN(op, a, b) \
  38 (ast_expression*)ast_store_new(ctx, INSTR_##op, (a), (ast_expression*)(b))
  39
  40 #define BIN(op, a, b) \
  41 (ast_expression*)ast_binary_new(ctx, INSTR_##op, (ast_expression*)(a), (ast_expression*)(b))
  42
  43 #define WHILE(cond)                                    \
  44 do {                                                   \
  45     ast_expression *wh_cond = (ast_expression*)(cond); \
  46     ast_block *wh_body = ast_block_new(ctx);           \
  47     ast_block *oldcur = curblock;                      \
  48     ast_loop  *loop;                                   \
  49     curblock = wh_body;
  50
  51 #define ENDWHILE()                                             \
  52     curblock = oldcur;                                         \
  53     loop = ast_loop_new(ctx, NULL, (ast_expression*)wh_cond,   \
  54                         NULL, NULL, (ast_expression*)wh_body); \
  55     assert(loop);                                              \
  56     STATE(loop);                                               \
  57 } while(0)
  58
  59 #define FUNCTION(name, outtype)                                   \
  60 do {                                                              \
  61     ast_function *func_##name;                                    \
  62     ast_block    *my_funcblock;                                   \
  63     DEFVAR(var_##name);                                           \
  64     DEFVAR(return_##name);                                        \
  65     VARnamed(TYPE_FUNCTION, var_##name, name);                    \
  66     VARnamed(outtype, return_##name, "#returntype");              \
  67     var_##name->expression.next = (ast_expression*)return_##name; \
  68     MKGLOBAL(var_##name);                                         \
  69     func_##name = ast_function_new(ctx, #name, var_##name);       \
  70     assert(functions_add(func_##name) >= 0);                      \
  71     my_funcblock = ast_block_new(ctx);                            \
  72     assert(my_funcblock);                                         \
  73     assert(ast_function_blocks_add(func_##name, my_funcblock));   \
  74     curblock = my_funcblock;
  75
  76 #define MKLOCAL(var) \
  77     assert(ast_block_locals_add(curblock, var))
  78
  79 #define ENDFUNCTION(name) \
  80 } while(0)
  81
  82 #endif