5869

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Build # 5869

Build Type

Pull #3135

travis-ci-com

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Pull Request Pull Request #3135: [DNM] LibSass 4.0 Alpha Big Bang

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85.71

/src/ast_callables.hpp

/*****************************************************************************/
/* Part of LibSass, released under the MIT license (See LICENSE.txt).        */
/*****************************************************************************/
#ifndef SASS_AST_CALLABLES_HPP
#define SASS_AST_CALLABLES_HPP

// sass.hpp must go before all system headers
// to get the  __EXTENSIONS__ fix on Solaris.
#include "capi_sass.hpp"

#include "ast_nodes.hpp"
#include "ast_callable.hpp"
#include "ast_statements.hpp"
#include "capi_function.hpp"
#include "environment_key.hpp"
#include "environment_stack.hpp"

namespace Sass {

  /////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////

  class BuiltInCallable final : public Callable {

    // The function name
    ADD_CONSTREF(EnvKey, envkey);

    ADD_CONSTREF(ArgumentDeclarationObj, parameters);

    ADD_REF(SassFnPair, function);

  public:

    // Creates a callable with a single [arguments] declaration
    // and a single [callback]. The argument declaration is parsed
    // from [arguments], which should not include parentheses.
    // Throws a [SassFormatException] if parsing fails.
    BuiltInCallable(
      const EnvKey& fname,
      ArgumentDeclaration* parameters,
      const SassFnSig& callback);

    // Return callback with matching signature
    const SassFnPair& callbackFor(
      const ArgumentResults& evaluated);

    // The main entry point to execute the function (implemented in each specialization)
    Value* execute(Eval& eval, ArgumentInvocation* arguments, const SourceSpan& pstate) override final;

    // Return the function name
    const sass::string& name() const override final { return envkey_.norm(); }

    // Equality comparator (needed for `get-function` value)
    bool operator==(const Callable& rhs) const override final;

    IMPLEMENT_ISA_CASTER(BuiltInCallable);
  };

  /////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////

  class BuiltInCallables final : public Callable {

    // The function name
    ADD_CONSTREF(EnvKey, envkey);

    // The overloads declared for this callable.
    ADD_CONSTREF(SassFnPairs, overloads);

  public:

    // Creates a callable with multiple implementations. Each
    // key/value pair in [overloads] defines the argument declaration
    // for the overload (which should not include parentheses), and
    // the callback to execute if that argument declaration matches.
    // Throws a [SassFormatException] if parsing fails.
    BuiltInCallables(
      const EnvKey& envkey,
      const SassFnPairs& overloads);

    // Return callback with matching signature
    const SassFnPair& callbackFor(
      const ArgumentResults& evaluated);

    // The main entry point to execute the function (implemented in each specialization)
    Value* execute(Eval& eval, ArgumentInvocation* arguments, const SourceSpan& pstate) override final;

    // Return the function name
    const sass::string& name() const override final { return envkey_.norm(); }

    // Equality comparator (needed for `get-function` value)
    bool operator==(const Callable& rhs) const override final;

    IMPLEMENT_ISA_CASTER(BuiltInCallables);
  };

  /////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////

  class UserDefinedCallable final : public Callable
  {
  private:

    // Name of this callable (used for reporting)
    ADD_CONSTREF(EnvKey, envkey);
    // The declaration (parameters this function takes).
    ADD_CONSTREF(CallableDeclarationObj, declaration);
    // The environment in which this callable was declared.
    ADD_PROPERTY(UserDefinedCallable*, content);

  public:

    // Value constructor
    UserDefinedCallable(
      const SourceSpan& pstate,
      const EnvKey& fname,
      CallableDeclarationObj declaration,
      UserDefinedCallable* content);

    // The main entry point to execute the function (implemented in each specialization)
    Value* execute(Eval& eval, ArgumentInvocation* arguments, const SourceSpan& pstate) override final;

    // Return the function name
    const sass::string& name() const override final { return envkey_.norm(); }

    // Equality comparator (needed for `get-function` value)
    bool operator==(const Callable& rhs) const override final;

    IMPLEMENT_ISA_CASTER(UserDefinedCallable);
  };

  /////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////

  // ToDo: this could be struct SassFunction!?
  class ExternalCallable final : public Callable
  {
  private:

    // Name of this callable (used for reporting)
    ADD_CONSTREF(EnvKey, envkey);
    // The declaration (parameters this function takes).
    ADD_CONSTREF(ArgumentDeclarationObj, declaration);
    // The attached external callback reference
    ADD_PROPERTY(SassFunctionLambda, lambda);
    // The attached external data cookie
    ADD_PROPERTY(void*, cookie);

  public:

    // Value constructor
    ExternalCallable(
      const EnvKey& fname,
      ArgumentDeclaration* parameters,
      SassFunctionLambda function);

    // Destructor
    ~ExternalCallable() override final {
      // sass_delete_function(function_);
    }

    // The main entry point to execute the function (implemented in each specialization)
    Value* execute(Eval& eval, ArgumentInvocation* arguments, const SourceSpan& pstate) override final;

    // Return the function name
    const sass::string& name() const override final { return envkey_.norm(); }

    // Equality comparator (needed for `get-function` value)
    bool operator==(const Callable& rhs) const override final;

    IMPLEMENT_ISA_CASTER(ExternalCallable);
  };

  /////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////

}

#endif

1	/*****************************************************************************/
2	/* Part of LibSass, released under the MIT license (See LICENSE.txt). */
3	/*****************************************************************************/
4	#ifndef SASS_AST_CALLABLES_HPP
5	#define SASS_AST_CALLABLES_HPP
6
7	// sass.hpp must go before all system headers
8	// to get the __EXTENSIONS__ fix on Solaris.
9	#include "capi_sass.hpp"
10
11	#include "ast_nodes.hpp"
12	#include "ast_callable.hpp"
13	#include "ast_statements.hpp"
14	#include "capi_function.hpp"
15	#include "environment_key.hpp"
16	#include "environment_stack.hpp"
17
18	namespace Sass {
19
20	/////////////////////////////////////////////////////////////////////////
21	/////////////////////////////////////////////////////////////////////////
22
23	class BuiltInCallable final : public Callable {	3,849,432✔
24
25	// The function name
26	ADD_CONSTREF(EnvKey, envkey);
27
28	ADD_CONSTREF(ArgumentDeclarationObj, parameters);
29
30	ADD_REF(SassFnPair, function);
31
32	public:
33
34	// Creates a callable with a single [arguments] declaration
35	// and a single [callback]. The argument declaration is parsed
36	// from [arguments], which should not include parentheses.
37	// Throws a [SassFormatException] if parsing fails.
38	BuiltInCallable(
39	const EnvKey& fname,
40	ArgumentDeclaration* parameters,
41	const SassFnSig& callback);
42
43	// Return callback with matching signature
44	const SassFnPair& callbackFor(
45	const ArgumentResults& evaluated);
46
47	// The main entry point to execute the function (implemented in each specialization)
48	Value* execute(Eval& eval, ArgumentInvocation* arguments, const SourceSpan& pstate) override final;
49
50	// Return the function name
51	const sass::string& name() const override final { return envkey_.norm(); }	4✔
52
53	// Equality comparator (needed for `get-function` value)
54	bool operator==(const Callable& rhs) const override final;
55
56	IMPLEMENT_ISA_CASTER(BuiltInCallable);	81✔
57	};
58
59	/////////////////////////////////////////////////////////////////////////
60	/////////////////////////////////////////////////////////////////////////
61
62	class BuiltInCallables final : public Callable {	407,728✔
63
64	// The function name
65	ADD_CONSTREF(EnvKey, envkey);
66
67	// The overloads declared for this callable.
68	ADD_CONSTREF(SassFnPairs, overloads);
69
70	public:
71
72	// Creates a callable with multiple implementations. Each
73	// key/value pair in [overloads] defines the argument declaration
74	// for the overload (which should not include parentheses), and
75	// the callback to execute if that argument declaration matches.
76	// Throws a [SassFormatException] if parsing fails.
77	BuiltInCallables(
78	const EnvKey& envkey,
79	const SassFnPairs& overloads);
80
81	// Return callback with matching signature
82	const SassFnPair& callbackFor(
83	const ArgumentResults& evaluated);
84
85	// The main entry point to execute the function (implemented in each specialization)
86	Value* execute(Eval& eval, ArgumentInvocation* arguments, const SourceSpan& pstate) override final;
87
88	// Return the function name
89	const sass::string& name() const override final { return envkey_.norm(); }	4✔
90
91	// Equality comparator (needed for `get-function` value)
92	bool operator==(const Callable& rhs) const override final;
93
94	IMPLEMENT_ISA_CASTER(BuiltInCallables);	×
95	};
96
97	/////////////////////////////////////////////////////////////////////////
98	/////////////////////////////////////////////////////////////////////////
99
100	class UserDefinedCallable final : public Callable	96,251✔
101	{
102	private:
103
104	// Name of this callable (used for reporting)
105	ADD_CONSTREF(EnvKey, envkey);
106	// The declaration (parameters this function takes).
107	ADD_CONSTREF(CallableDeclarationObj, declaration);
108	// The environment in which this callable was declared.
109	ADD_PROPERTY(UserDefinedCallable*, content);
110
111	public:
112
113	// Value constructor
114	UserDefinedCallable(
115	const SourceSpan& pstate,
116	const EnvKey& fname,
117	CallableDeclarationObj declaration,
118	UserDefinedCallable* content);
119
120	// The main entry point to execute the function (implemented in each specialization)
121	Value* execute(Eval& eval, ArgumentInvocation* arguments, const SourceSpan& pstate) override final;
122
123	// Return the function name
124	const sass::string& name() const override final { return envkey_.norm(); }
125
126	// Equality comparator (needed for `get-function` value)
127	bool operator==(const Callable& rhs) const override final;
128
129	IMPLEMENT_ISA_CASTER(UserDefinedCallable);
130	};
131
132	/////////////////////////////////////////////////////////////////////////
133	/////////////////////////////////////////////////////////////////////////
134
135	// ToDo: this could be struct SassFunction!?
136	class ExternalCallable final : public Callable
137	{
138	private:
139
140	// Name of this callable (used for reporting)
141	ADD_CONSTREF(EnvKey, envkey);
142	// The declaration (parameters this function takes).
143	ADD_CONSTREF(ArgumentDeclarationObj, declaration);
144	// The attached external callback reference
145	ADD_PROPERTY(SassFunctionLambda, lambda);
146	// The attached external data cookie
147	ADD_PROPERTY(void*, cookie);
148
149	public:
150
151	// Value constructor
152	ExternalCallable(
153	const EnvKey& fname,
154	ArgumentDeclaration* parameters,
155	SassFunctionLambda function);
156
157	// Destructor
158	~ExternalCallable() override final {
159	// sass_delete_function(function_);
160	}
161
162	// The main entry point to execute the function (implemented in each specialization)
163	Value* execute(Eval& eval, ArgumentInvocation* arguments, const SourceSpan& pstate) override final;
164
165	// Return the function name
166	const sass::string& name() const override final { return envkey_.norm(); }
167
168	// Equality comparator (needed for `get-function` value)
169	bool operator==(const Callable& rhs) const override final;
170
171	IMPLEMENT_ISA_CASTER(ExternalCallable);
172	};
173
174	/////////////////////////////////////////////////////////////////////////
175	/////////////////////////////////////////////////////////////////////////
176
177	}
178
179	#endif

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