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Silence compiler warnings #238

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merged 3 commits into from
Nov 15, 2023
Merged

Silence compiler warnings #238

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c0b0c3c
Silence compiler warning
ydah Nov 14, 2023
8e46256
Remove redundant silence compiler warning
ydah Nov 14, 2023
35463e2
Use YY_USE instead of (void)
ydah Nov 15, 2023
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12 changes: 5 additions & 7 deletions spec/lrama/integration_spec.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,7 @@ def test_rules(rules, input, expected, command_args: [], debug: false)

%%

program : { (void)yynerrs; }
program : /* empty */
| expr { printf("=> %d", $1); }
;
expr : NUM
Expand Down Expand Up @@ -149,7 +149,7 @@ def test_rules(rules, input, expected, command_args: [], debug: false)

%%

program : { }
program : /* empty */
;

Grammar
Expand Down Expand Up @@ -195,7 +195,7 @@ def test_rules(rules, input, expected, command_args: [], debug: false)

%%

program : { (void)yynerrs; }
program : /* empty */
| expr { printf("=> %d", $1); }
;
expr : NUM
Expand Down Expand Up @@ -290,8 +290,6 @@ def test_rules(rules, input, expected, command_args: [], debug: false)

line: expr
{
(void)yynerrs;

printf("line (%d): ", @expr.first_line);
print_location(&@expr);

Expand Down Expand Up @@ -411,7 +409,7 @@ def test_rules(rules, input, expected, command_args: [], debug: false)

%%

program : { (void)yynerrs; }
program : /* empty */
| expr { printf("=> %d", $1); }
;

Expand Down Expand Up @@ -457,7 +455,7 @@ def test_rules(rules, input, expected, command_args: [], debug: false)

%%

program : { (void)yynerrs; }
program : /* empty */
| expr { printf("=> %d", $1); }
;
expr : NUM
Expand Down
1 change: 1 addition & 0 deletions template/bison/yacc.c
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Expand Up @@ -1485,6 +1485,7 @@ YYLTYPE yylloc = yyloc_default;
<%# b4_declare_parser_state_variables -%>
/* Number of syntax errors so far. */
int yynerrs = 0;
(void) yynerrs; /* Silence compiler warning. */

yy_state_fast_t yystate = 0;
/* Number of tokens to shift before error messages enabled. */
Expand Down