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comparison src/vim9execute.c @ 26729:b969fdb8cd46 v8.2.3893

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patch 8.2.3893: Vim9: many local variables are initialized with an instruction Commit: https://github.com/vim/vim/commit/5cd647935d0834b3064aa36384b8f6730fadadd6 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Dec 25 18:23:24 2021 +0000 patch 8.2.3893: Vim9: many local variables are initialized with an instruction Problem: Vim9: many local variables are initialized with an instruction. Solution: Initialize local variables to zero to avoid the instructions.
author Bram Moolenaar <Bram@vim.org>
date Sat, 25 Dec 2021 19:30:03 +0100
parents 254fffd11fda
children a8a4e1e7b111
comparison
equal deleted inserted replaced
26728:71ae885c1426 26729:b969fdb8cd46
395 STACK_TV_BOT(STACK_FRAME_IDX_OFF)->vval.v_number = ectx->ec_frame_idx; 395 STACK_TV_BOT(STACK_FRAME_IDX_OFF)->vval.v_number = ectx->ec_frame_idx;
396 ectx->ec_frame_idx = ectx->ec_stack.ga_len; 396 ectx->ec_frame_idx = ectx->ec_stack.ga_len;
397 397
398 // Initialize local variables 398 // Initialize local variables
399 for (idx = 0; idx < dfunc->df_varcount; ++idx) 399 for (idx = 0; idx < dfunc->df_varcount; ++idx)
400 STACK_TV_BOT(STACK_FRAME_SIZE + idx)->v_type = VAR_UNKNOWN; 400 {
401 typval_T *tv = STACK_TV_BOT(STACK_FRAME_SIZE + idx);
402
403 tv->v_type = VAR_NUMBER;
404 tv->vval.v_number = 0;
405 }
401 if (dfunc->df_has_closure) 406 if (dfunc->df_has_closure)
402 { 407 {
403 typval_T *tv = STACK_TV_BOT(STACK_FRAME_SIZE + dfunc->df_varcount); 408 typval_T *tv = STACK_TV_BOT(STACK_FRAME_SIZE + dfunc->df_varcount);
404 409
405 tv->v_type = VAR_NUMBER; 410 tv->v_type = VAR_NUMBER;
5000 { 5005 {
5001 // Reserve space for local variables and any closure reference count. 5006 // Reserve space for local variables and any closure reference count.
5002 dfunc_T *dfunc = ((dfunc_T *)def_functions.ga_data) 5007 dfunc_T *dfunc = ((dfunc_T *)def_functions.ga_data)
5003 + ufunc->uf_dfunc_idx; 5008 + ufunc->uf_dfunc_idx;
5004 5009
5010 // Initialize variables to zero. That avoids having to generate
5011 // initializing instructions for "var nr: number", "var x: any", etc.
5005 for (idx = 0; idx < dfunc->df_varcount; ++idx) 5012 for (idx = 0; idx < dfunc->df_varcount; ++idx)
5006 STACK_TV_VAR(idx)->v_type = VAR_UNKNOWN; 5013 {
5014 STACK_TV_VAR(idx)->v_type = VAR_NUMBER;
5015 STACK_TV_VAR(idx)->vval.v_number = 0;
5016 }
5007 ectx.ec_stack.ga_len += dfunc->df_varcount; 5017 ectx.ec_stack.ga_len += dfunc->df_varcount;
5008 if (dfunc->df_has_closure) 5018 if (dfunc->df_has_closure)
5009 { 5019 {
5010 STACK_TV_VAR(idx)->v_type = VAR_NUMBER; 5020 STACK_TV_VAR(idx)->v_type = VAR_NUMBER;
5011 STACK_TV_VAR(idx)->vval.v_number = 0; 5021 STACK_TV_VAR(idx)->vval.v_number = 0;