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Added dictionaries {}

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Objects are now separate from {} dictionaries

the . operator now only indexes fields on objects, the [] operator can only be used on objects if the __index or __newindex functions are defined

Additionally 4 new instructions have been added to the VM: OP_NEWDICT, OP_INDEX, OP_INCINDEX, and OP_NEWINDEX.

The syntax to create a dictionary is as follows { <key> : <value>, <otherkey> : <othervalue> } eg. { "hello" : "world", "foo" : 1337 }

The Lexer & Parser was extended to add the TOKEN_COLON ':' token.
This commit is contained in:
CPunch
2020-12-09 20:32:42 -06:00
parent 6445dae04c
commit 181ef8a18c
11 changed files with 290 additions and 90 deletions
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src/cvm.h
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@@ -15,6 +15,7 @@ typedef enum {
// args = # of pass parameters, nresults = # of expected results
COSMO_API COSMOVMRESULT cosmoV_call(CState *state, int args);
COSMO_API void cosmoV_makeObject(CState *state, int pairs);
COSMO_API void cosmoV_makeDictionary(CState *state, int pairs);
COSMO_API bool cosmoV_getObject(CState *state, CObjObject *object, CValue key, CValue *val);
COSMO_API void cosmoV_error(CState *state, const char *format, ...);