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| author |  Tom Willemse | 2022-08-13 00:04:31 -0700 |
|---|---|---|
| committer | Tom Willemse | 2022-08-13 00:04:31 -0700 |
| commit | 4e77cfa61262a03055aeb273108fd9a49e8dfa4f (patch) | |
| tree | 9c736eb135e8bd1143e0e4289e87edd2324586c9 /clox/src/compiler.c | |
| parent | f4185577e56a893b9375bc94d71bef5f9eb51891 (diff) | |
| download | crafting-interpreters-4e77cfa61262a03055aeb273108fd9a49e8dfa4f.tar.gz crafting-interpreters-4e77cfa61262a03055aeb273108fd9a49e8dfa4f.zip | |
Chapter 27.4
Diffstat (limited to 'clox/src/compiler.c')
| -rw-r--r-- | clox/src/compiler.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/clox/src/compiler.c b/clox/src/compiler.c index b21a53d..6ab4855 100644 --- a/clox/src/compiler.c +++ b/clox/src/compiler.c @@ -307,6 +307,18 @@ static void call(bool canAssign) { emitBytes(OP_CALL, argCount); } +static void dot(bool canAssign) { + consume(TOKEN_IDENTIFIER, "Expect property name after '.'."); + uint8_t name = identifierConstant(&parser.previous); + + if (canAssign && match(TOKEN_EQUAL)) { + expression(); + emitBytes(OP_SET_PROPERTY, name); + } else { + emitBytes(OP_GET_PROPERTY, name); + } +} + static void literal(bool canAssign) { switch (parser.previous.type) { case TOKEN_FALSE: @@ -689,7 +701,7 @@ ParseRule rules[] = { [TOKEN_LEFT_BRACE] = {NULL, NULL, PREC_NONE}, [TOKEN_RIGHT_BRACE] = {NULL, NULL, PREC_NONE}, [TOKEN_COMMA] = {NULL, NULL, PREC_NONE}, - [TOKEN_DOT] = {NULL, NULL, PREC_NONE}, + [TOKEN_DOT] = {NULL, dot, PREC_CALL}, [TOKEN_MINUS] = {unary, binary, PREC_TERM}, [TOKEN_PLUS] = {NULL, binary, PREC_TERM}, [TOKEN_SEMICOLON] = {NULL, NULL, PREC_NONE}, |