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libcubescript
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unexpose some APIs

master
Daniel Kolesa 2016-07-27 18:52:01 +01:00
parent 0010511b6e
commit 364ca98e54
2 changed files with 51 additions and 49 deletions
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50
cubescript.cc
View File

@ -10,6 +10,52 @@
namespace cscript {
static constexpr int MaxArguments = 25;
static constexpr int MaxResults = 7;
static constexpr int MaxComargs = 12;
enum {
CODE_START = 0,
CODE_OFFSET,
CODE_NULL, CODE_TRUE, CODE_FALSE, CODE_NOT,
CODE_POP,
CODE_ENTER, CODE_ENTER_RESULT,
CODE_EXIT, CODE_RESULT_ARG,
CODE_VAL, CODE_VALI,
CODE_DUP,
CODE_MACRO,
CODE_BOOL,
CODE_BLOCK, CODE_EMPTY,
CODE_COMPILE, CODE_COND,
CODE_FORCE,
CODE_RESULT,
CODE_IDENT, CODE_IDENTU, CODE_IDENTARG,
CODE_COM, CODE_COMD, CODE_COMC, CODE_COMV,
CODE_CONC, CODE_CONCW, CODE_CONCM, CODE_DOWN,
CODE_SVAR, CODE_SVARM, CODE_SVAR1,
CODE_IVAR, CODE_IVAR1, CODE_IVAR2, CODE_IVAR3,
CODE_FVAR, CODE_FVAR1,
CODE_LOOKUP, CODE_LOOKUPU, CODE_LOOKUPARG,
CODE_LOOKUPM, CODE_LOOKUPMU, CODE_LOOKUPMARG,
CODE_ALIAS, CODE_ALIASU, CODE_ALIASARG,
CODE_CALL, CODE_CALLU, CODE_CALLARG,
CODE_PRINT,
CODE_LOCAL,
CODE_DO, CODE_DOARGS,
CODE_JUMP, CODE_JUMP_TRUE, CODE_JUMP_FALSE,
CODE_JUMP_RESULT_TRUE, CODE_JUMP_RESULT_FALSE,
CODE_OP_MASK = 0x3F,
CODE_RET = 6,
CODE_RET_MASK = 0xC0,
/* return type flags */
RET_NULL = VAL_NULL << CODE_RET,
RET_STR = VAL_STR << CODE_RET,
RET_INT = VAL_INT << CODE_RET,
RET_FLOAT = VAL_FLOAT << CODE_RET,
};
static inline int parseint(char const *s) {
return int(strtoul(s, nullptr, 0));
}
@ -134,6 +180,10 @@ struct NullValue: TaggedValue {
static TaggedValue no_ret = null_value;
CsState::CsState(): result(&no_ret) {
noalias.id = nullptr;
noalias.next = nullptr;
noalias.usedargs = (1 << MaxArguments) - 1;
noalias.argstack = nullptr;
for (int i = 0; i < MaxArguments; ++i) {
char buf[32];
snprintf(buf, sizeof(buf), "arg%d", i + 1);

50
cubescript.hh
View File

@ -17,58 +17,12 @@
namespace cscript {
static constexpr int MaxArguments = 25;
static constexpr int MaxResults = 7;
static constexpr int MaxComargs = 12;
enum {
VAL_NULL = 0, VAL_INT, VAL_FLOAT, VAL_STR,
VAL_ANY, VAL_CODE, VAL_MACRO, VAL_IDENT, VAL_CSTR,
VAL_CANY, VAL_WORD, VAL_POP, VAL_COND
};
enum {
CODE_START = 0,
CODE_OFFSET,
CODE_NULL, CODE_TRUE, CODE_FALSE, CODE_NOT,
CODE_POP,
CODE_ENTER, CODE_ENTER_RESULT,
CODE_EXIT, CODE_RESULT_ARG,
CODE_VAL, CODE_VALI,
CODE_DUP,
CODE_MACRO,
CODE_BOOL,
CODE_BLOCK, CODE_EMPTY,
CODE_COMPILE, CODE_COND,
CODE_FORCE,
CODE_RESULT,
CODE_IDENT, CODE_IDENTU, CODE_IDENTARG,
CODE_COM, CODE_COMD, CODE_COMC, CODE_COMV,
CODE_CONC, CODE_CONCW, CODE_CONCM, CODE_DOWN,
CODE_SVAR, CODE_SVARM, CODE_SVAR1,
CODE_IVAR, CODE_IVAR1, CODE_IVAR2, CODE_IVAR3,
CODE_FVAR, CODE_FVAR1,
CODE_LOOKUP, CODE_LOOKUPU, CODE_LOOKUPARG,
CODE_LOOKUPM, CODE_LOOKUPMU, CODE_LOOKUPMARG,
CODE_ALIAS, CODE_ALIASU, CODE_ALIASARG,
CODE_CALL, CODE_CALLU, CODE_CALLARG,
CODE_PRINT,
CODE_LOCAL,
CODE_DO, CODE_DOARGS,
CODE_JUMP, CODE_JUMP_TRUE, CODE_JUMP_FALSE,
CODE_JUMP_RESULT_TRUE, CODE_JUMP_RESULT_FALSE,
CODE_OP_MASK = 0x3F,
CODE_RET = 6,
CODE_RET_MASK = 0xC0,
/* return type flags */
RET_NULL = VAL_NULL << CODE_RET,
RET_STR = VAL_STR << CODE_RET,
RET_INT = VAL_INT << CODE_RET,
RET_FLOAT = VAL_FLOAT << CODE_RET,
};
enum {
ID_UNKNOWN = -1, ID_VAR, ID_FVAR, ID_SVAR, ID_COMMAND, ID_ALIAS,
ID_LOCAL, ID_DO, ID_DOARGS, ID_IF, ID_RESULT, ID_NOT, ID_AND, ID_OR
@ -360,9 +314,7 @@ struct OSTD_EXPORT CsState {
Ident *dummy = nullptr;
TaggedValue *result = nullptr;
IdentLink noalias = {
nullptr, nullptr, (1 << MaxArguments) - 1, nullptr
};
IdentLink noalias;
IdentLink *stack = &noalias;
ostd::ConstCharRange src_file;