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Script cleanup for standards-compliance (not going out of bounds on vectors).

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I_POP is no longer considered a binary instruction because all other binary instructions expect the stack to have at least two elements - adding a manual check is kludgy
Added I_TAILCALL to accomodate indended optimizations



git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1417 0fc631ac-6414-0410-93d0-97cfa31319b6
This commit is contained in:
coppro
2009-08-02 01:30:59 +00:00
parent 7af4cd4bd0
commit 79b18c1e72
5 changed files with 37 additions and 26 deletions
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src/script/script.hpp
+3 -2
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@@ -43,6 +43,8 @@ enum InstructionType
, I_TERNARY = 14 ///< arg = 3ary instr : pop 3 values, apply a function, push the result
, I_QUATERNARY = 15 ///< arg = 4ary instr : pop 4 values, apply a function, push the result
, I_DUP = 16 ///< arg = int : duplicate the k-from-top element of the stack
, I_POP = 17 ///< arg = * : pop the top value off the stack.
, I_TAILCALL = 18 ///< arg = int, n*var : perform a tail call - like I_CALL, except faster
};
/// Types of unary instructions (taking one argument from the stack)
@@ -54,8 +56,7 @@ enum UnaryInstructionType
/// Types of binary instructions (taking two arguments from the stack)
enum BinaryInstructionType
{ I_POP ///< Pop the top value of the stack
, I_ITERATOR_R ///< Make an iterator for a range (two integers)
{ I_ITERATOR_R ///< Make an iterator for a range (two integers)
, I_MEMBER ///< Member of an object
// Arithmatic
, I_ADD ///< add