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 FIELD(type, name) \
  25 name = ast_value_new(ctx, #name, TYPE_FIELD);                  \
  26 do {                                                           \
  27     ast_value *field_##name = ast_value_new(ctx, #name, type); \
  28     name->expression.next = (ast_expression*)field_##name;     \
  29     MKFIELD(name);                                             \
  30 } while (0)
  31
  32 #define MKFIELD(name) \
  33 assert(fields_add(name) >= 0)
  34
  35 #define MKCONSTFLOAT(name, value)  \
  36 do {                               \
  37     name->isconst = true;          \
  38     name->constval.vfloat = value; \
  39     MKGLOBAL(name);                \
  40 } while(0)
  41
  42 #define MKCONSTSTRING(name, value)               \
  43 do {                                             \
  44     name->isconst = true;                        \
  45     name->constval.vstring = util_strdup(value); \
  46     MKGLOBAL(name);                              \
  47 } while(0)
  48
  49 #define STATE(a)                                 \
  50 do {                                             \
  51     ast_expression *exp = (ast_expression*)(a);  \
  52     assert(ast_block_exprs_add(curblock, exp)); \
  53 } while(0)
  54
  55 #define ASSIGN(op, a, b) \
  56 (ast_expression*)ast_store_new(ctx, INSTR_##op, (ast_expression*)(a), (ast_expression*)(b))
  57
  58 #define BIN(op, a, b) \
  59 (ast_expression*)ast_binary_new(ctx, INSTR_##op, (ast_expression*)(a), (ast_expression*)(b))
  60
  61 #define CALL(what)                                             \
  62 do {                                                           \
  63     ast_call *call = ast_call_new(ctx, (ast_expression*)what); \
  64
  65 #define CALLPARAM(x)                                       \
  66     assert(ast_call_params_add(call, (ast_expression*)x));
  67
  68 #define ENDCALL()                                \
  69     STATE(call);                                 \
  70 } while(0)
  71
  72 #define WHILE(cond)                                    \
  73 do {                                                   \
  74     ast_expression *wh_cond = (ast_expression*)(cond); \
  75     ast_block *wh_body = ast_block_new(ctx);           \
  76     ast_block *oldcur = curblock;                      \
  77     ast_loop  *loop;                                   \
  78     curblock = wh_body;
  79
  80 #define ENDWHILE()                                             \
  81     curblock = oldcur;                                         \
  82     loop = ast_loop_new(ctx, NULL, (ast_expression*)wh_cond,   \
  83                         NULL, NULL, (ast_expression*)wh_body); \
  84     assert(loop);                                              \
  85     STATE(loop);                                               \
  86 } while(0)
  87
  88 #define BUILTIN(name, outtype, number)                              \
  89 do {                                                                \
  90     ast_function *func_##name;                                      \
  91     ast_value    *thisfuncval;                                      \
  92     ast_function *thisfunc;                                         \
  93     DEFVAR(return_##name);                                          \
  94     VARnamed(TYPE_FUNCTION, name, name);                            \
  95     VARnamed(outtype, return_##name, "#returntype");                \
  96     name->expression.next = (ast_expression*)return_##name;         \
  97     MKGLOBAL(name);                                                 \
  98     func_##name = ast_function_new(ctx, #name, name);               \
  99     thisfunc = func_##name;                                         \
 100     (void)thisfunc;                                                 \
 101     thisfuncval = name;                                             \
 102     (void)thisfuncval;                                              \
 103     assert(functions_add(func_##name) >= 0);                        \
 104     func_##name->builtin = number;
 105
 106 #define ENDBUILTIN() } while(0)
 107
 108 #define PARAM(ptype, name)                           \
 109 do {                                                 \
 110     DEFVAR(parm);                                    \
 111     VARnamed(ptype, parm, name);                     \
 112     assert(ast_value_params_add(thisfuncval, parm)); \
 113 } while(0)
 114
 115 #define FUNCTION(name, outtype)                                   \
 116 do {                                                              \
 117     ast_function *thisfunc;                                       \
 118     ast_function *func_##name;                                    \
 119     ast_block    *my_funcblock;                                   \
 120     DEFVAR(var_##name);                                           \
 121     DEFVAR(return_##name);                                        \
 122     VARnamed(TYPE_FUNCTION, var_##name, name);                    \
 123     VARnamed(outtype, return_##name, "#returntype");              \
 124     var_##name->expression.next = (ast_expression*)return_##name; \
 125     MKGLOBAL(var_##name);                                         \
 126     func_##name = ast_function_new(ctx, #name, var_##name);       \
 127     thisfunc = func_##name;                                       \
 128     (void)thisfunc;                                               \
 129     assert(functions_add(func_##name) >= 0);                      \
 130     my_funcblock = ast_block_new(ctx);                            \
 131     assert(my_funcblock);                                         \
 132     assert(ast_function_blocks_add(func_##name, my_funcblock));   \
 133     curblock = my_funcblock;
 134
 135 #define MKLOCAL(var) \
 136     assert(ast_block_locals_add(curblock, var))
 137
 138 #define ENDFUNCTION(name) \
 139 } while(0)
 140
 141 #endif