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Unicode file loading; push_allocator & push_context

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Ginger Bill
2016-09-23 14:59:58 +01:00
parent ee0aa7b9de
commit a31bab5aae
19 changed files with 484 additions and 172 deletions
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src/codegen/ssa.cpp
+45 -5
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@@ -2200,10 +2200,10 @@ ssaValue *ssa_build_single_expr(ssaProcedure *proc, AstNode *expr, TypeAndValue
ssaValue *elem_size = ssa_make_const_int(allocator, s);
ssaValue *elem_align = ssa_make_const_int(allocator, a);
ssaValue *len = ssa_build_expr(proc, ce->args[1]);
ssaValue *len =ssa_emit_conv(proc, ssa_build_expr(proc, ce->args[1]), t_int);
ssaValue *cap = len;
if (gb_array_count(ce->args) == 3) {
cap = ssa_build_expr(proc, ce->args[2]);
cap = ssa_emit_conv(proc, ssa_build_expr(proc, ce->args[2]), t_int);
}
ssa_slice_bounds_check(proc, ast_node_token(ce->args[1]), v_zero, len, cap, false);
@@ -2218,9 +2218,13 @@ ssaValue *ssa_build_single_expr(ssaProcedure *proc, AstNode *expr, TypeAndValue
ssaValue *ptr = ssa_emit_conv(proc, call, ptr_type, true);
ssaValue *slice = ssa_add_local_generated(proc, slice_type);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, slice, v_zero32, ptr_type), ptr);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, slice, v_one32, t_int), len);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, slice, v_two32, t_int), cap);
ssaValue *gep0 = ssa_emit_struct_gep(proc, slice, v_zero32, ptr_type);
ssaValue *gep1 = ssa_emit_struct_gep(proc, slice, v_one32, t_int);
ssaValue *gep2 = ssa_emit_struct_gep(proc, slice, v_two32, t_int);
ssa_emit_store(proc, gep0, ptr);
ssa_emit_store(proc, gep1, len);
ssa_emit_store(proc, gep2, cap);
return ssa_emit_load(proc, slice);
} break;
@@ -3678,6 +3682,42 @@ void ssa_build_stmt(ssaProcedure *proc, AstNode *node) {
ssa_emit_unreachable(proc);
case_end;
case_ast_node(pa, PushAllocator, node);
ssa_emit_comment(proc, make_string("PushAllocator"));
ssaValue *context_ptr = *map_get(&proc->module->members, hash_string(make_string("__context")));
ssaValue *prev_context = ssa_add_local_generated(proc, t_context);
ssa_emit_store(proc, prev_context, ssa_emit_load(proc, context_ptr));
defer (ssa_emit_store(proc, context_ptr, ssa_emit_load(proc, prev_context)));
ssaValue *gep = ssa_emit_struct_gep(proc, context_ptr, 1, t_allocator_ptr);
ssa_emit_store(proc, gep, ssa_build_expr(proc, pa->expr));
proc->scope_index++;
ssa_build_stmt(proc, pa->body);
proc->scope_index--;
case_end;
case_ast_node(pa, PushContext, node);
ssa_emit_comment(proc, make_string("PushContext"));
ssaValue *context_ptr = *map_get(&proc->module->members, hash_string(make_string("__context")));
ssaValue *prev_context = ssa_add_local_generated(proc, t_context);
ssa_emit_store(proc, prev_context, ssa_emit_load(proc, context_ptr));
defer (ssa_emit_store(proc, context_ptr, ssa_emit_load(proc, prev_context)));
ssa_emit_store(proc, context_ptr, ssa_build_expr(proc, pa->expr));
proc->scope_index++;
ssa_build_stmt(proc, pa->body);
proc->scope_index--;
case_end;
}
}