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[xonotic/gmqcc.git] / intrin.h

diff --git a/intrin.h b/intrin.h
new file mode 100644 (file)
index 0000000..d3d2df3
--- /dev/null
+++ b/intrin.h
@@ -0,0 +1,75 @@
+#ifndef GMQCC_INTRIN_HDR
+#define GMQCC_INTRIN_HDR
+#include "gmqcc.h"
+
+struct fold_t;
+struct parser_t;
+
+struct ast_function;
+struct ast_expression;
+struct ast_value;
+
+struct intrin;
+
+struct intrin_func_t {
+    ast_expression *(intrin::*function)();
+    const char *name;
+    const char *alias;
+    size_t args;
+};
+
+struct intrin {
+    intrin() = default;
+    intrin(parser_t *parser);
+
+    ast_expression *debug_typestring();
+    ast_expression *fold(ast_value *val, ast_expression **exprs);
+    ast_expression *func_try(size_t offset, const char *compare);
+    ast_expression *func_self(const char *name, const char *from);
+    ast_expression *func(const char *name);
+
+protected:
+    lex_ctx_t ctx() const;
+    ast_function *value(ast_value **out, const char *name, qcint_t vtype);
+    void reg(ast_value *const value, ast_function *const func);
+
+    ast_expression *nullfunc();
+    ast_expression *isfinite_();
+    ast_expression *isinf_();
+    ast_expression *isnan_();
+    ast_expression *isnormal_();
+    ast_expression *signbit_();
+    ast_expression *acosh_();
+    ast_expression *asinh_();
+    ast_expression *atanh_();
+    ast_expression *exp_();
+    ast_expression *exp2_();
+    ast_expression *expm1_();
+    ast_expression *pow_();
+    ast_expression *mod_();
+    ast_expression *fabs_();
+    ast_expression *epsilon_();
+    ast_expression *nan_();
+    ast_expression *inf_();
+    ast_expression *ln_();
+    ast_expression *log_variant(const char *name, float base);
+    ast_expression *log_();
+    ast_expression *log10_();
+    ast_expression *log2_();
+    ast_expression *logb_();
+    ast_expression *shift_variant(const char *name, size_t instr);
+    ast_expression *lshift();
+    ast_expression *rshift();
+
+    void error(const char *fmt, ...);
+
+private:
+    parser_t *m_parser;
+    fold_t *m_fold;
+    std::vector<intrin_func_t> m_intrinsics;
+    std::vector<ast_expression*> m_generated;
+
+};
+
+
+#endif