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ps5: generate_expression finish indexing

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This commit is contained in:
Fredrik Robertsen
2026-03-31 19:25:52 +02:00
parent d811bda7fb
commit 8c3bd8105d
1 changed files with 8 additions and 3 deletions
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11
ps5/src/generator.c
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@@ -18,6 +18,7 @@ static void generate_global_variables(void);
static void generate_function(symbol_t* function);
static void generate_expression(node_t* expression);
static void generate_statement(node_t* node);
static void generate_base_address(node_t *identifier);
static void generate_main(symbol_t* first);
// Entry point for code generation
@@ -175,11 +176,15 @@ static void generate_expression(node_t* expression)
MOVQ_IMM(expression->data.number_literal, RAX);
break;
case IDENTIFIER:
symbol_t *sym = expression->symbol;
symbol_t *value = symbol_hashmap_lookup(sym->function_symtable->hashmap, sym->name);
MOVQ_IMM(value->node->data.number_literal, RAX);
generate_base_address(expression);
EMIT("movq (%s), %s", RAX, RAX);
break;
case ARRAY_INDEXING:
generate_base_address(expression->children[0]); // identifier child
STASH();
generate_expression(expression->children[1]); // index expression
EMIT("leaq (%s, %s, 8), %s", RCX, RAX, RAX); // rcx + 8*rax -> rax
EMIT("movq (%s), %s", RAX, RAX); // deref rax
break;
case OPERATOR:
break;