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strings handled as built-in struct, and added immutable keyword

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uan
2026-02-07 11:06:55 +01:00
parent c0bbb82e71
commit 99d63ff769
4 changed files with 62 additions and 28 deletions
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21
generator.v
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@@ -24,6 +24,7 @@ fn mangle_struct(name string) string {
fn get_type_format(type string) string {
dump(type)
return match type {
'int', 'bool' {'d'}
'real' {'f'}
@@ -46,7 +47,7 @@ fn (mut g Generator) get_c_type(typ string) string {
return match typ {
'real' {'float'}
'int' {'int32_t'}
'string' {'char*'}
'string' {'OneString'}
else {typ}
}
}
@@ -70,12 +71,16 @@ fn (mut g Generator) gen_class_print_func(stmt ClassDecl) {
g.out.writeln('for(int i=0; i<indent + 1; i++) printf(" ");')
g.out.write_string('printf("${member.name}: ");')
if g.symbols.lookup_class(member.type) != none {
if member.type != 'string' && g.symbols.lookup_class(member.type) != none {
inner_struct_name := mangle_struct(member.type)
g.out.writeln('print_${inner_struct_name}(s.${member.name}, indent + 1);')
} else {
format := get_type_format(member.type)
g.out.writeln('printf("%${format}\\n", s.${member.name});')
g.out.write_string('printf("%${format}\\n", s.${member.name}')
if member.type == 'string' {
g.out.write_string('.string')
}
g.out.writeln(');')
}
}
@@ -168,7 +173,7 @@ fn (mut g Generator) gen_expr(expr Expr) {
g.out.write_string(expr.val.str())
}
StringLiteral {
g.out.write_string('\"${expr.val}\"')
g.out.write_string('(OneString){\"${expr.val}\", ${expr.val.len}}')
}
Variable {
g.out.write_string(mangle_var(expr.name))
@@ -188,16 +193,20 @@ fn (mut g Generator) gen_expr(expr Expr) {
for i < expr.exprs.len {
inner_expr := expr.exprs[i];
expr_type := expr.types[i];
if g.symbols.lookup_class(expr_type) != none {
if expr_type != 'string' && g.symbols.lookup_class(expr_type) != none {
class_name := mangle_struct(expr_type)
g.out.write_string('print_${class_name}(')
g.gen_expr(inner_expr)
g.out.write_string(', 0);')
} else {
g.out.write_string('printf(\"')
format := get_type_format(expr_type)
g.out.write_string('%${format}')
g.out.write_string('\", ')
g.gen_expr(inner_expr)
if expr_type == 'string' {
g.out.write_string('.string')
}
g.out.write_string(');')
}
i++;
@@ -254,7 +263,7 @@ fn (mut g Generator) gen_c(program []Stmt) string {
g.out.writeln('#include <stdio.h>')
g.out.writeln('#include <stdbool.h>')
g.out.writeln('#include <stdint.h>')
//g.out.writeln('typedef struct __one_string_builtin__ {\nchar* string;\nint len;\n} string;')
g.out.writeln('typedef struct {\nchar* string;\nint len;\n} OneString;')
for stmt in program {
g.gen_stmt(stmt)
}