From d1ff59dce669fc69c5640647a915e00e443aff20 Mon Sep 17 00:00:00 2001 From: Kyle Gunger Date: Thu, 22 Feb 2024 01:57:24 -0500 Subject: Idea of how eval will work --- compiler.c | 43 +++++++++++++++++++++++++++++-------------- 1 file changed, 29 insertions(+), 14 deletions(-) (limited to 'compiler.c') diff --git a/compiler.c b/compiler.c index 682084e..75f2504 100644 --- a/compiler.c +++ b/compiler.c @@ -3678,7 +3678,7 @@ Variable _eval_literal(Scope *s, CompData *data, Vector *tokens, size_t literal) } // Main implementation, recursive -Variable _eval(Scope *s, CompData *data, Vector *tokens, size_t start, size_t end, Variable *tmp) { +Variable _eval(Scope *s, CompData *data, Vector *tokens, size_t start, size_t end) { Variable out; out.name = NULL; @@ -3714,7 +3714,12 @@ Variable _eval(Scope *s, CompData *data, Vector *tokens, size_t start, size_t en // Found first delim and lowest priority op // Handle delim - if (delim > -1 && op < 2){ + if (op < 2){ + if (delim == -1) { + return _eval_dot(s, data, tokens, start, end); + } + + // Handle delim Token *d = vect_get(tokens, delim); int dcl = tnsl_find_closing(tokens, delim); switch (d->data[0]){ @@ -3726,7 +3731,7 @@ Variable _eval(Scope *s, CompData *data, Vector *tokens, size_t start, size_t en printf("Unexpected token after parenthesis \"%s\" (%d:%d)\n\n", d->data, d->line, d->col); return out; } else { - return _eval(s, data, tokens, start + 1, end - 1, tmp); + return _eval(s, data, tokens, start + 1, end - 1); } case '[': printf("Explicit type casts are not yet supported, sorry (%d:%d)\n\n", d->line, d->col); @@ -3752,38 +3757,48 @@ Variable _eval(Scope *s, CompData *data, Vector *tokens, size_t start, size_t en // Based on op_token, split the two halves and recurse. // TODO - Variable a = _eval(s, data, tokens, start, op_pos, tmp); - Variable b = _eval(s, data, tokens, op_pos + 1, end, tmp); + Variable rhs = _eval(s, data, tokens, op_pos + 1, end); + out = _eval(s, data, tokens, start, op_pos); + if (op != 10 && !scope_is_tmp(&out)) { + out = scope_mk_tmp(&out); + } if (strlen(op_token->data) == 1) { switch(op_token->data[0]) { case '+': - var_op_add(data, &a, &b); + var_op_add(data, &out, &rhs); break; case '-': - var_op_sub(data, &a, &b); + var_op_sub(data, &out, &rhs); break; case '*': - var_op_mul(data, &a, &b); + var_op_mul(data, &out, &rhs); break; case '/': - var_op_div(data, &a, &b); + var_op_div(data, &out, &rhs); break; case '%': - var_op_mod(data, &a, &b); + var_op_mod(data, &out, &rhs); break; case '|': - var_op_or(data, &a, &b); + var_op_or(data, &out, &rhs); break; case '&': - var_op_and(data, &a, &b); + var_op_and(data, &out, &rhs); break; case '^': - var_op_xor(data, &a, &b); + var_op_xor(data, &out, &rhs); + break; + case '=': + var_op_set(data, &out, &rhs); break; } } + if (scope_is_tmp(&rhs)) { + scope_free_tmp(&rhs); + } + return out; } @@ -3807,7 +3822,7 @@ Variable eval(Scope *s, CompData *out, Vector *tokens, size_t *pos, bool keep) { } } - store = _eval(s, out, tokens, start, end, NULL); + store = _eval(s, out, tokens, start, end); if (keep) { if(store.location == LOC_STCK || store.location == LOC_DATA) { -- cgit v1.2.3