diff options
Diffstat (limited to 'eval.c')
| -rw-r--r-- | eval.c | 51 |
1 files changed, 51 insertions, 0 deletions
@@ -70,8 +70,13 @@ static bool eval_expr(Expression *e, Value *v) { /* NOTE: this will need to change for short-circuiting */ if (!eval_expr(e->binary.lhs, &lhs)) return false; if (!eval_expr(e->binary.rhs, &rhs)) return false; + if (e->type.kind != TYPE_BUILTIN) { + err_print(e->where, "Operators can only be applied to builtin types."); + return false; + } bool is_int = type_builtin_is_integer(e->type.builtin); bool is_float = type_builtin_is_floating(e->type.builtin); + bool is_bool = e->type.builtin == BUILTIN_BOOL; switch (e->binary.op) { case BINARY_PLUS: if (is_int) { @@ -102,6 +107,52 @@ static bool eval_expr(Expression *e, Value *v) { v->floatv = lhs.floatv / rhs.floatv; } else assert(0); return true; + case BINARY_EQ: + if (is_int) { + v->boolv = lhs.intv == rhs.intv; + } else if (is_float) { + v->boolv = lhs.floatv == rhs.floatv; + } else if (is_bool) { + v->boolv = lhs.boolv == rhs.boolv; + } else assert(0); + return true; + case BINARY_NE: + if (is_int) { + v->boolv = lhs.intv != rhs.intv; + } else if (is_float) { + v->boolv = lhs.floatv != rhs.floatv; + } else if (is_bool) { + v->boolv = lhs.boolv != rhs.boolv; + } else assert(0); + return true; + case BINARY_GT: + if (is_int) { + v->boolv = lhs.intv > rhs.intv; + } else if (is_float) { + v->boolv = lhs.floatv > rhs.floatv; + } else assert(0); + return true; + case BINARY_GE: + if (is_int) { + v->boolv = lhs.intv >= rhs.intv; + } else if (is_float) { + v->boolv = lhs.floatv >= rhs.floatv; + } else assert(0); + return true; + case BINARY_LT: + if (is_int) { + v->boolv = lhs.intv < rhs.intv; + } else if (is_float) { + v->boolv = lhs.floatv < rhs.floatv; + } else assert(0); + return true; + case BINARY_LE: + if (is_int) { + v->boolv = lhs.intv <= rhs.intv; + } else if (is_float) { + v->boolv = lhs.floatv <= rhs.floatv; + } else assert(0); + return true; case BINARY_SET: return true; case BINARY_COMMA: |