Most of a C implementation of jq

c/opcode_list.h

@@ -0,0 +1,17 @@
+OP(LOADK, CONSTANT, 1, 1)
+OP(DUP,   NONE,     1, 2)
+OP(SWAP,  NONE,     2, 2)
+OP(POP,   NONE,     1, 0)
+OP(LOADV, VARIABLE, 1, 1)
+OP(STOREV, VARIABLE, 1, 0)
+OP(INDEX, NONE,     2, 1)
+//OP(DISPLAY, NONE,   1, 0)
+OP(YIELD, NONE, 1, 0)
+OP(EACH,  NONE,     1, 1)
+OP(FORK,  BRANCH,   0, 0)
+OP(JUMP,  BRANCH,   0, 0)
+OP(BACKTRACK, NONE, 0, 0)
+OP(APPEND, NONE,    2, 1)
+OP(INSERT, NONE,    4, 2)
+
+OP(CALL_BUILTIN_1_1, CFUNC, 1, 1)