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This commit is contained in:
bronku 2025-12-06 10:25:37 +01:00
parent 307c51539c
commit c0244b5822
3 changed files with 35 additions and 6 deletions
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20
src/parser.y
View file

@ -61,6 +61,7 @@
%type <std::vector<std::unique_ptr<Expr>>> tuple %type <std::vector<std::unique_ptr<Expr>>> tuple
%type <std::vector<std::unique_ptr<Stmt>>> stmt_list %type <std::vector<std::unique_ptr<Stmt>>> stmt_list
%type <std::vector<std::string>> params %type <std::vector<std::string>> params
%type <std::vector<std::unique_ptr<Stmt>>> elif_chain
%% %%
@ -80,11 +81,8 @@ stmt:
| expr ASSIGN expr NEWLINE { | expr ASSIGN expr NEWLINE {
$$ = std::make_unique<Assign>(std::move($1), std::move($3)); $$ = std::make_unique<Assign>(std::move($1), std::move($3));
} }
| KW_IF expr COLON NEWLINE INDENT stmt_list DEDENT { | KW_IF expr COLON NEWLINE INDENT stmt_list DEDENT elif_chain{
$$ = std::make_unique<If>(std::move($2), std::move($6), std::vector<std::unique_ptr<Stmt>>()); $$ = std::make_unique<If>(std::move($2), std::move($6), std::move($8));
}
| KW_IF expr COLON NEWLINE INDENT stmt_list DEDENT KW_ELSE COLON NEWLINE INDENT stmt_list DEDENT {
$$ = std::make_unique<If>(std::move($2), std::move($6), std::move($12));
} }
| KW_FOR IDENTIFIER KW_IN expr COLON NEWLINE INDENT stmt_list DEDENT { | KW_FOR IDENTIFIER KW_IN expr COLON NEWLINE INDENT stmt_list DEDENT {
$$ = std::make_unique<For> ($2, std::move($4), std::move($8)); $$ = std::make_unique<For> ($2, std::move($4), std::move($8));
@ -168,6 +166,18 @@ params:
{ $$ = std::vector<std::string>();} { $$ = std::vector<std::string>();}
| IDENTIFIER { $$ = std::vector<std::string>(); $$.push_back($1); } | IDENTIFIER { $$ = std::vector<std::string>(); $$.push_back($1); }
| params COMMA IDENTIFIER {$1.push_back($3); $$ = std::move($1);} | params COMMA IDENTIFIER {$1.push_back($3); $$ = std::move($1);}
elif_chain:
/* empty */ { $$ = std::vector<std::unique_ptr<Stmt>>(); }
| KW_ELIF expr COLON NEWLINE INDENT stmt_list DEDENT elif_chain {
std::vector<std::unique_ptr<Stmt>> output;
output.push_back(std::make_unique<If>(std::move($2), std::move($6), std::move($8)));
$$ = std::move(output);
}
| KW_ELSE COLON NEWLINE INDENT stmt_list DEDENT {
$$ = std::move($5);
}
;
%% %%
namespace yy { namespace yy {
void parser::error(const std::string& msg) void parser::error(const std::string& msg)

1
test/ruby/25.in
View file

@ -1,4 +1,3 @@
# test_arithmetic.py
def calculate_bmi(weight, height): def calculate_bmi(weight, height):
bmi = weight / (height ** 2) bmi = weight / (height ** 2)

20
test/ruby/25.out Normal file
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@ -0,0 +1,20 @@
def calculate_bmi(weight, height)
bmi = weight / height ** 2
if bmi < 18.5
category = "Underweight"
else
if bmi < 25
category = "Normal"
else
if bmi < 30
category = "Overweight"
else
category = "Obese"
end
end
end
return "BMI: #{bmi}, Category: #{category}"
end
print(calculate_bmi(70, 1.75), "\n")
print(calculate_bmi(90, 1.80), "\n")
print(calculate_bmi(50, 1.65), "\n")