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patch 8.2.1795: Vim9: operators && and || have a confusing result

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Problem:    Vim9: operators && and || have a confusing result.
Solution:   Make the result a boolean.
This commit is contained in:
Bram Moolenaar
2020-10-03 22:52:39 +02:00
parent 92f26c256e
commit 2bb2658bef
12 changed files with 254 additions and 216 deletions
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9
src/vim9.h
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@@ -128,7 +128,8 @@ typedef enum {
ISN_GETITEM, // push list item, isn_arg.number is the index
ISN_MEMBER, // dict[member]
ISN_STRINGMEMBER, // dict.member using isn_arg.string
ISN_2BOOL, // convert value to bool, invert if isn_arg.number != 0
ISN_2BOOL, // falsy/truthy to bool, invert if isn_arg.number != 0
ISN_COND2BOOL, // convert value to bool
ISN_2STRING, // convert value to string at isn_arg.number on stack
ISN_2STRING_ANY, // like ISN_2STRING but check type
ISN_NEGATENR, // apply "-" to number
@@ -171,8 +172,10 @@ typedef struct {
typedef enum {
JUMP_ALWAYS,
JUMP_IF_FALSE, // pop and jump if false
JUMP_AND_KEEP_IF_TRUE, // jump if top of stack is true, drop if not
JUMP_AND_KEEP_IF_FALSE, // jump if top of stack is false, drop if not
JUMP_AND_KEEP_IF_TRUE, // jump if top of stack is truthy, drop if not
JUMP_AND_KEEP_IF_FALSE, // jump if top of stack is falsy, drop if not
JUMP_IF_COND_TRUE, // jump if top of stack is true, drop if not
JUMP_IF_COND_FALSE, // jump if top of stack is false, drop if not
} jumpwhen_T;
// arguments to ISN_JUMP