diff options
Diffstat (limited to 'clox/src/compiler.c')
| -rw-r--r-- | clox/src/compiler.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/clox/src/compiler.c b/clox/src/compiler.c index 9dd7927..f125c10 100644 --- a/clox/src/compiler.c +++ b/clox/src/compiler.c @@ -138,6 +138,7 @@ static ParseRule *getRule(TokenType type); static void parsePrecedence(Precedence precedence); static uint8_t parseVariable(const char *name); static void defineVariable(uint8_t global); +static uint8_t identifierConstant(Token *name); static void binary() { TokenType operatorType = parser.previous.type; @@ -276,6 +277,15 @@ static void string() { copyString(parser.previous.start + 1, parser.previous.length - 2))); } +static void namedVariable(Token name) { + uint8_t arg = identifierConstant(&name); + emitBytes(OP_GET_GLOBAL, arg); +} + +static void variable() { + namedVariable(parser.previous); +} + static void unary() { TokenType operatorType = parser.previous.type; @@ -320,7 +330,7 @@ ParseRule rules[] = { [TOKEN_GREATER_EQUAL] = {NULL, binary, PREC_COMPARISON}, [TOKEN_LESS] = {NULL, binary, PREC_COMPARISON}, [TOKEN_LESS_EQUAL] = {NULL, binary, PREC_COMPARISON}, - [TOKEN_IDENTIFIER] = {NULL, NULL, PREC_NONE}, + [TOKEN_IDENTIFIER] = {variable, NULL, PREC_NONE}, [TOKEN_STRING] = {string, NULL, PREC_NONE}, [TOKEN_NUMBER] = {number, NULL, PREC_NONE}, [TOKEN_AND] = {NULL, NULL, PREC_NONE}, |