git.delta.rocks / unique-network / refs/commits / e642a25dd4d7

72    } else if (op === '+') {72    } else if (op === '+') {
73      if (stack.length < 2)73      if (stack.length < 2)
74        throw new Error('stack underflow');74        throw new Error('stack underflow');
75      const a = stack.pop()!;
76      const b = stack.pop()!;75      const b = stack.pop()!;
76      const a = stack.pop()!;
77      stack.push(a.plus(b));77      stack.push(a.plus(b));
78    } else if (op === '*') {78    } else if (op === '*') {
79      if (stack.length < 2)79      if (stack.length < 2)
80        throw new Error('stack underflow');80        throw new Error('stack underflow');
81      const a = stack.pop()!;81      const b = stack.pop()!;
82      const b = stack.pop()!;82      const a = stack.pop()!;
83      stack.push(a.mul(b));83      stack.push(a.mul(b));
84    } else if (op === '-') {84    } else if (op === '-') {
85      if (stack.length < 2)85      if (stack.length < 2)
86        throw new Error('stack underflow');86        throw new Error('stack underflow');
87      const a = stack.pop()!;87      const b = stack.pop()!;
88      const b = stack.pop()!;88      const a = stack.pop()!;
89      stack.push(a.minus(b));89      stack.push(a.minus(b));
90    } else if (op === '/') {90    } else if (op === '/') {
91      if (stack.length < 2)91      if (stack.length < 2)
92        throw new Error('stack underflow');92        throw new Error('stack underflow');
93      const a = stack.pop()!;93      const b = stack.pop()!;
94      const b = stack.pop()!;94      const a = stack.pop()!;
95      stack.push(a.div(b));95      stack.push(a.div(b));
96    } else if (op === 'dup') {96    } else if (op === 'dup') {
97      if (stack.length < 1)97      if (stack.length < 1)