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Partial template #146

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merged 2 commits into from
Oct 21, 2023
Merged

Partial template #146

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5dcc019
Test for generated C file and header file
yui-knk Oct 21, 2023
bd0c417
Extract shared template codes into partial file
yui-knk Oct 18, 2023
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22 changes: 17 additions & 5 deletions lib/lrama/output.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -41,11 +41,8 @@ def self.erb(input)
end
end

def eval_template(file, path)
erb = self.class.erb(File.read(file))
erb.filename = file
tmp = erb.result_with_hash(context: @context, output: self)
replace_special_variables(tmp, path)
def render_partial(file)
render_template(partial_file(file))
end

def render
Expand Down Expand Up @@ -354,6 +351,17 @@ def b4_cpp_guard__b4_spec_mapped_header_file

private

def eval_template(file, path)
tmp = render_template(file)
replace_special_variables(tmp, path)
end

def render_template(file)
erb = self.class.erb(File.read(file))
erb.filename = file
erb.result_with_hash(context: @context, output: self)
end

def template_file
File.join(template_dir, @template_name)
end
Expand All @@ -362,6 +370,10 @@ def header_template_file
File.join(template_dir, "bison/yacc.h")
end

def partial_file(file)
File.join(template_dir, file)
end

def template_dir
File.expand_path("../../../template", __FILE__)
end
Expand Down
60 changes: 56 additions & 4 deletions spec/lrama/output_spec.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -6,17 +6,22 @@
out: out,
output_file_path: "y.tab.c",
template_name: "bison/yacc.c",
grammar_file_path: "parse.tmp.y",
grammar_file_path: grammar_file_path,
header_out: header_out,
header_file_path: "y.tab.h",
header_file_path: header_file_path,
context: context,
grammar: grammar,
)
}
let(:out) { StringIO.new }
let(:header_out) { StringIO.new }
let(:context) { double("context") }
let(:grammar) { double("grammar") }
let(:warning) { Lrama::Warning.new(StringIO.new) }
let(:text) { File.read(grammar_file_path) }
let(:grammar) { Lrama::Parser.new(text).parse }
let(:states) { s = Lrama::States.new(grammar, warning); s.compute; s }
let(:context) { Lrama::Context.new(states) }
let(:grammar_file_path) { fixture_path("common/basic.y") }
let(:header_file_path) { "y.tab.h" }

describe "#parse_param" do
it "returns declaration of parse param without blanks" do
Expand Down Expand Up @@ -145,4 +150,51 @@
expect(output.lex_param_name).to eq("lex_param")
end
end

describe "#render" do
context "header_file_path is specified" do
before do
output.render
out.rewind
header_out.rewind
end

it "renders C file and header file" do
expect(out.size).not_to eq 0
expect(header_out.size).not_to eq 0
end

it "doesn't include [@oline@] and [@ofile@] in files" do
o = out.read
h = header_out.read

expect(o).not_to match /\[@oline@\]/
expect(o).not_to match /\[@ofile@\]/
expect(h).not_to match /\[@oline@\]/
expect(h).not_to match /\[@ofile@\]/
end
end

context "header_file_path is not specified" do
let(:header_file_path) { nil }

before do
output.render
out.rewind
header_out.rewind
end

it "renders only C file" do
expect(out.size).not_to eq 0
expect(header_out.size).to eq 0
end

it "doesn't include [@oline@] and [@ofile@] in a file" do
o = out.read

expect(o).not_to match /\[@oline@\]/
expect(o).not_to match /\[@ofile@\]/
end
end
end
end
71 changes: 71 additions & 0 deletions template/bison/_yacc.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,71 @@
<%# b4_shared_declarations -%>
<%-# b4_cpp_guard_open([b4_spec_mapped_header_file]) -%>
<%- if output.spec_mapped_header_file -%>
#ifndef <%= output.b4_cpp_guard__b4_spec_mapped_header_file %>
# define <%= output.b4_cpp_guard__b4_spec_mapped_header_file %>
<%- end -%>
<%-# b4_declare_yydebug & b4_YYDEBUG_define -%>
/* Debug traces. */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
#if YYDEBUG && !defined(yydebug)
extern int yydebug;
#endif
<%-# b4_percent_code_get([[requires]]). %code is not supported -%>

<%-# b4_token_enums_defines -%>
/* Token kinds. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
enum yytokentype
{
<%= output.token_enums -%>
};
typedef enum yytokentype yytoken_kind_t;
#endif

<%-# b4_declare_yylstype -%>
<%-# b4_value_type_define -%>
/* Value type. */
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
union YYSTYPE
{
#line <%= output.grammar.union.lineno %> "<%= output.grammar_file_path %>"
<%= output.grammar.union.braces_less_code %>
#line [@oline@] [@ofile@]

};
typedef union YYSTYPE YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define YYSTYPE_IS_DECLARED 1
#endif

<%-# b4_location_type_define -%>
/* Location type. */
#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
typedef struct YYLTYPE YYLTYPE;
struct YYLTYPE
{
int first_line;
int first_column;
int last_line;
int last_column;
};
# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
#endif




<%-# b4_declare_yyerror_and_yylex. Not supported -%>
<%-# b4_declare_yyparse -%>
int yyparse (<%= output.parse_param %>);


<%-# b4_percent_code_get([[provides]]). %code is not supported -%>
<%-# b4_cpp_guard_close([b4_spec_mapped_header_file]) -%>
<%- if output.spec_mapped_header_file -%>
#endif /* !<%= output.b4_cpp_guard__b4_spec_mapped_header_file %> */
<%- end -%>
72 changes: 1 addition & 71 deletions template/bison/yacc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -106,77 +106,7 @@
<%- else -%>
/* Use api.header.include to #include this header
instead of duplicating it here. */
<%# b4_shared_declarations -%>
<%-# b4_cpp_guard_open([b4_spec_mapped_header_file]) -%>
<%- if output.spec_mapped_header_file -%>
#ifndef <%= output.b4_cpp_guard__b4_spec_mapped_header_file %>
# define <%= output.b4_cpp_guard__b4_spec_mapped_header_file %>
<%- end -%>
<%-# b4_declare_yydebug & b4_YYDEBUG_define -%>
/* Debug traces. */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
#if YYDEBUG && !defined(yydebug)
extern int yydebug;
#endif
<%-# b4_percent_code_get([[requires]]). %code is not supported -%>

<%-# b4_token_enums_defines -%>
/* Token kinds. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
enum yytokentype
{
<%= output.token_enums -%>
};
typedef enum yytokentype yytoken_kind_t;
#endif

<%-# b4_declare_yylstype -%>
<%-# b4_value_type_define -%>
/* Value type. */
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
union YYSTYPE
{
#line <%= output.grammar.union.lineno %> "<%= output.grammar_file_path %>"
<%= output.grammar.union.braces_less_code %>
#line [@oline@] [@ofile@]

};
typedef union YYSTYPE YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define YYSTYPE_IS_DECLARED 1
#endif

<%-# b4_location_type_define -%>
/* Location type. */
#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
typedef struct YYLTYPE YYLTYPE;
struct YYLTYPE
{
int first_line;
int first_column;
int last_line;
int last_column;
};
# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
#endif




<%-# b4_declare_yyerror_and_yylex. Not supported -%>
<%-# b4_declare_yyparse -%>
int yyparse (<%= output.parse_param %>);


<%-# b4_percent_code_get([[provides]]). %code is not supported -%>
<%-# b4_cpp_guard_close([b4_spec_mapped_header_file]) -%>
<%- if output.spec_mapped_header_file -%>
#endif /* !<%= output.b4_cpp_guard__b4_spec_mapped_header_file %> */
<%- end -%>
<%= output.render_partial("bison/_yacc.h") %>
<%- end -%>
<%# b4_declare_symbol_enum -%>
/* Symbol kind. */
Expand Down
73 changes: 1 addition & 72 deletions template/bison/yacc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -37,75 +37,4 @@
/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
especially those whose name start with YY_ or yy_. They are
private implementation details that can be changed or removed. */

<%# b4_shared_declarations -%>
<%-# b4_cpp_guard_open([b4_spec_mapped_header_file]) -%>
<%- if output.spec_mapped_header_file -%>
#ifndef <%= output.b4_cpp_guard__b4_spec_mapped_header_file %>
# define <%= output.b4_cpp_guard__b4_spec_mapped_header_file %>
<%- end -%>
<%-# b4_declare_yydebug & b4_YYDEBUG_define -%>
/* Debug traces. */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
#if YYDEBUG && !defined(yydebug)
extern int yydebug;
#endif
<%-# b4_percent_code_get([[requires]]). %code is not supported -%>

<%-# b4_token_enums_defines -%>
/* Token kinds. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
enum yytokentype
{
<%= output.token_enums -%>
};
typedef enum yytokentype yytoken_kind_t;
#endif

<%-# b4_declare_yylstype -%>
<%-# b4_value_type_define -%>
/* Value type. */
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
union YYSTYPE
{
#line <%= output.grammar.union.lineno %> "<%= output.grammar_file_path %>"
<%= output.grammar.union.braces_less_code %>
#line [@oline@] [@ofile@]

};
typedef union YYSTYPE YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define YYSTYPE_IS_DECLARED 1
#endif

<%-# b4_location_type_define -%>
/* Location type. */
#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
typedef struct YYLTYPE YYLTYPE;
struct YYLTYPE
{
int first_line;
int first_column;
int last_line;
int last_column;
};
# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
#endif




<%-# b4_declare_yyerror_and_yylex. Not supported -%>
<%-# b4_declare_yyparse -%>
int yyparse (<%= output.parse_param %>);


<%-# b4_percent_code_get([[provides]]). %code is not supported -%>
<%-# b4_cpp_guard_close([b4_spec_mapped_header_file]) -%>
<%- if output.spec_mapped_header_file -%>
#endif /* !<%= output.b4_cpp_guard__b4_spec_mapped_header_file %> */
<%- end -%>
<%= output.render_partial("bison/_yacc.h") %>