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enh(stan) updated with improved coverage of language keywords and pat…
…terns. (#1829) - Almost complete rewrite. Corrected most patterns and updated function definitions. - Add "stanfuncs" as an alias Went ahead and gave @jrnold author credit vs contributor credit for this language since this is really a ground-up rewrite. Co-authored-by: Marcos Cáceres <marcos@marcosc.com> Co-authored-by: Josh Goebel <me@joshgoebel.com>
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Original file line number | Diff line number | Diff line change |
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@@ -1,90 +1,227 @@ | ||
/* | ||
Language: Stan | ||
Description: The Stan probabilistic programming language | ||
Author: Brendan Rocks <rocks.brendan@gmail.com> | ||
Author: Jeffrey B. Arnold <jeffrey.arnold@gmail.com> | ||
Website: http://mc-stan.org/ | ||
Category: scientific | ||
*/ | ||
|
||
function(hljs) { | ||
// variable names cannot conflict with block identifiers | ||
var BLOCKS = [ | ||
'functions', | ||
'model', | ||
'data', | ||
'parameters', | ||
'quantities', | ||
'transformed', | ||
'generated' | ||
]; | ||
var STATEMENTS = [ | ||
'for', | ||
'in', | ||
'if', | ||
'else', | ||
'while', | ||
'break', | ||
'continue', | ||
'return' | ||
]; | ||
var SPECIAL_FUNCTIONS = [ | ||
'print', | ||
'reject', | ||
'increment_log_prob|10', | ||
'integrate_ode|10', | ||
'integrate_ode_rk45|10', | ||
'integrate_ode_bdf|10', | ||
'algebra_solver' | ||
]; | ||
var VAR_TYPES = [ | ||
'int', | ||
'real', | ||
'vector', | ||
'ordered', | ||
'positive_ordered', | ||
'simplex', | ||
'unit_vector', | ||
'row_vector', | ||
'matrix', | ||
'cholesky_factor_corr|10', | ||
'cholesky_factor_cov|10', | ||
'corr_matrix|10', | ||
'cov_matrix|10', | ||
'void' | ||
]; | ||
var FUNCTIONS = [ | ||
'Phi', 'Phi_approx', 'abs', 'acos', 'acosh', 'algebra_solver', 'append_array', | ||
'append_col', 'append_row', 'asin', 'asinh', 'atan', 'atan2', 'atanh', | ||
'bernoulli_cdf', 'bernoulli_lccdf', 'bernoulli_lcdf', 'bernoulli_logit_lpmf', | ||
'bernoulli_logit_rng', 'bernoulli_lpmf', 'bernoulli_rng', 'bessel_first_kind', | ||
'bessel_second_kind', 'beta_binomial_cdf', 'beta_binomial_lccdf', | ||
'beta_binomial_lcdf', 'beta_binomial_lpmf', 'beta_binomial_rng', 'beta_cdf', | ||
'beta_lccdf', 'beta_lcdf', 'beta_lpdf', 'beta_rng', 'binary_log_loss', | ||
'binomial_cdf', 'binomial_coefficient_log', 'binomial_lccdf', 'binomial_lcdf', | ||
'binomial_logit_lpmf', 'binomial_lpmf', 'binomial_rng', 'block', | ||
'categorical_logit_lpmf', 'categorical_logit_rng', 'categorical_lpmf', | ||
'categorical_rng', 'cauchy_cdf', 'cauchy_lccdf', 'cauchy_lcdf', 'cauchy_lpdf', | ||
'cauchy_rng', 'cbrt', 'ceil', 'chi_square_cdf', 'chi_square_lccdf', | ||
'chi_square_lcdf', 'chi_square_lpdf', 'chi_square_rng', 'cholesky_decompose', | ||
'choose', 'col', 'cols', 'columns_dot_product', 'columns_dot_self', 'cos', | ||
'cosh', 'cov_exp_quad', 'crossprod', 'csr_extract_u', 'csr_extract_v', | ||
'csr_extract_w', 'csr_matrix_times_vector', 'csr_to_dense_matrix', | ||
'cumulative_sum', 'determinant', 'diag_matrix', 'diag_post_multiply', | ||
'diag_pre_multiply', 'diagonal', 'digamma', 'dims', 'dirichlet_lpdf', | ||
'dirichlet_rng', 'distance', 'dot_product', 'dot_self', | ||
'double_exponential_cdf', 'double_exponential_lccdf', 'double_exponential_lcdf', | ||
'double_exponential_lpdf', 'double_exponential_rng', 'e', 'eigenvalues_sym', | ||
'eigenvectors_sym', 'erf', 'erfc', 'exp', 'exp2', 'exp_mod_normal_cdf', | ||
'exp_mod_normal_lccdf', 'exp_mod_normal_lcdf', 'exp_mod_normal_lpdf', | ||
'exp_mod_normal_rng', 'expm1', 'exponential_cdf', 'exponential_lccdf', | ||
'exponential_lcdf', 'exponential_lpdf', 'exponential_rng', 'fabs', | ||
'falling_factorial', 'fdim', 'floor', 'fma', 'fmax', 'fmin', 'fmod', | ||
'frechet_cdf', 'frechet_lccdf', 'frechet_lcdf', 'frechet_lpdf', 'frechet_rng', | ||
'gamma_cdf', 'gamma_lccdf', 'gamma_lcdf', 'gamma_lpdf', 'gamma_p', 'gamma_q', | ||
'gamma_rng', 'gaussian_dlm_obs_lpdf', 'get_lp', 'gumbel_cdf', 'gumbel_lccdf', | ||
'gumbel_lcdf', 'gumbel_lpdf', 'gumbel_rng', 'head', 'hypergeometric_lpmf', | ||
'hypergeometric_rng', 'hypot', 'inc_beta', 'int_step', 'integrate_ode', | ||
'integrate_ode_bdf', 'integrate_ode_rk45', 'inv', 'inv_Phi', | ||
'inv_chi_square_cdf', 'inv_chi_square_lccdf', 'inv_chi_square_lcdf', | ||
'inv_chi_square_lpdf', 'inv_chi_square_rng', 'inv_cloglog', 'inv_gamma_cdf', | ||
'inv_gamma_lccdf', 'inv_gamma_lcdf', 'inv_gamma_lpdf', 'inv_gamma_rng', | ||
'inv_logit', 'inv_sqrt', 'inv_square', 'inv_wishart_lpdf', 'inv_wishart_rng', | ||
'inverse', 'inverse_spd', 'is_inf', 'is_nan', 'lbeta', 'lchoose', 'lgamma', | ||
'lkj_corr_cholesky_lpdf', 'lkj_corr_cholesky_rng', 'lkj_corr_lpdf', | ||
'lkj_corr_rng', 'lmgamma', 'lmultiply', 'log', 'log10', 'log1m', 'log1m_exp', | ||
'log1m_inv_logit', 'log1p', 'log1p_exp', 'log2', 'log_determinant', | ||
'log_diff_exp', 'log_falling_factorial', 'log_inv_logit', 'log_mix', | ||
'log_rising_factorial', 'log_softmax', 'log_sum_exp', 'logistic_cdf', | ||
'logistic_lccdf', 'logistic_lcdf', 'logistic_lpdf', 'logistic_rng', 'logit', | ||
'lognormal_cdf', 'lognormal_lccdf', 'lognormal_lcdf', 'lognormal_lpdf', | ||
'lognormal_rng', 'machine_precision', 'matrix_exp', 'max', 'mdivide_left_spd', | ||
'mdivide_left_tri_low', 'mdivide_right_spd', 'mdivide_right_tri_low', 'mean', | ||
'min', 'modified_bessel_first_kind', 'modified_bessel_second_kind', | ||
'multi_gp_cholesky_lpdf', 'multi_gp_lpdf', 'multi_normal_cholesky_lpdf', | ||
'multi_normal_cholesky_rng', 'multi_normal_lpdf', 'multi_normal_prec_lpdf', | ||
'multi_normal_rng', 'multi_student_t_lpdf', 'multi_student_t_rng', | ||
'multinomial_lpmf', 'multinomial_rng', 'multiply_log', | ||
'multiply_lower_tri_self_transpose', 'neg_binomial_2_cdf', | ||
'neg_binomial_2_lccdf', 'neg_binomial_2_lcdf', 'neg_binomial_2_log_lpmf', | ||
'neg_binomial_2_log_rng', 'neg_binomial_2_lpmf', 'neg_binomial_2_rng', | ||
'neg_binomial_cdf', 'neg_binomial_lccdf', 'neg_binomial_lcdf', | ||
'neg_binomial_lpmf', 'neg_binomial_rng', 'negative_infinity', 'normal_cdf', | ||
'normal_lccdf', 'normal_lcdf', 'normal_lpdf', 'normal_rng', 'not_a_number', | ||
'num_elements', 'ordered_logistic_lpmf', 'ordered_logistic_rng', 'owens_t', | ||
'pareto_cdf', 'pareto_lccdf', 'pareto_lcdf', 'pareto_lpdf', 'pareto_rng', | ||
'pareto_type_2_cdf', 'pareto_type_2_lccdf', 'pareto_type_2_lcdf', | ||
'pareto_type_2_lpdf', 'pareto_type_2_rng', 'pi', 'poisson_cdf', 'poisson_lccdf', | ||
'poisson_lcdf', 'poisson_log_lpmf', 'poisson_log_rng', 'poisson_lpmf', | ||
'poisson_rng', 'positive_infinity', 'pow', 'print', 'prod', 'qr_Q', 'qr_R', | ||
'quad_form', 'quad_form_diag', 'quad_form_sym', 'rank', 'rayleigh_cdf', | ||
'rayleigh_lccdf', 'rayleigh_lcdf', 'rayleigh_lpdf', 'rayleigh_rng', 'reject', | ||
'rep_array', 'rep_matrix', 'rep_row_vector', 'rep_vector', 'rising_factorial', | ||
'round', 'row', 'rows', 'rows_dot_product', 'rows_dot_self', | ||
'scaled_inv_chi_square_cdf', 'scaled_inv_chi_square_lccdf', | ||
'scaled_inv_chi_square_lcdf', 'scaled_inv_chi_square_lpdf', | ||
'scaled_inv_chi_square_rng', 'sd', 'segment', 'sin', 'singular_values', 'sinh', | ||
'size', 'skew_normal_cdf', 'skew_normal_lccdf', 'skew_normal_lcdf', | ||
'skew_normal_lpdf', 'skew_normal_rng', 'softmax', 'sort_asc', 'sort_desc', | ||
'sort_indices_asc', 'sort_indices_desc', 'sqrt', 'sqrt2', 'square', | ||
'squared_distance', 'step', 'student_t_cdf', 'student_t_lccdf', | ||
'student_t_lcdf', 'student_t_lpdf', 'student_t_rng', 'sub_col', 'sub_row', | ||
'sum', 'tail', 'tan', 'tanh', 'target', 'tcrossprod', 'tgamma', 'to_array_1d', | ||
'to_array_2d', 'to_matrix', 'to_row_vector', 'to_vector', 'trace', | ||
'trace_gen_quad_form', 'trace_quad_form', 'trigamma', 'trunc', 'uniform_cdf', | ||
'uniform_lccdf', 'uniform_lcdf', 'uniform_lpdf', 'uniform_rng', 'variance', | ||
'von_mises_lpdf', 'von_mises_rng', 'weibull_cdf', 'weibull_lccdf', | ||
'weibull_lcdf', 'weibull_lpdf', 'weibull_rng', 'wiener_lpdf', 'wishart_lpdf', | ||
'wishart_rng' | ||
]; | ||
var DISTRIBUTIONS = [ | ||
'bernoulli', 'bernoulli_logit', 'beta', 'beta_binomial', 'binomial', | ||
'binomial_logit', 'categorical', 'categorical_logit', 'cauchy', 'chi_square', | ||
'dirichlet', 'double_exponential', 'exp_mod_normal', 'exponential', 'frechet', | ||
'gamma', 'gaussian_dlm_obs', 'gumbel', 'hypergeometric', 'inv_chi_square', | ||
'inv_gamma', 'inv_wishart', 'lkj_corr', 'lkj_corr_cholesky', 'logistic', | ||
'lognormal', 'multi_gp', 'multi_gp_cholesky', 'multi_normal', | ||
'multi_normal_cholesky', 'multi_normal_prec', 'multi_student_t', 'multinomial', | ||
'neg_binomial', 'neg_binomial_2', 'neg_binomial_2_log', 'normal', | ||
'ordered_logistic', 'pareto', 'pareto_type_2', 'poisson', 'poisson_log', | ||
'rayleigh', 'scaled_inv_chi_square', 'skew_normal', 'student_t', 'uniform', | ||
'von_mises', 'weibull', 'wiener', 'wishart' | ||
]; | ||
|
||
return { | ||
aliases: ['stanfuncs'], | ||
keywords: { | ||
'title': BLOCKS.join(' '), | ||
'keyword': STATEMENTS.concat(VAR_TYPES).concat(SPECIAL_FUNCTIONS).join(' '), | ||
'built_in': FUNCTIONS.join(' ') | ||
}, | ||
lexemes: hljs.IDENT_RE, | ||
contains: [ | ||
hljs.HASH_COMMENT_MODE, | ||
hljs.C_LINE_COMMENT_MODE, | ||
hljs.C_BLOCK_COMMENT_MODE, | ||
hljs.COMMENT( | ||
/#/, | ||
/$/, | ||
{ | ||
relevance: 0, | ||
keywords: { | ||
'meta-keyword': 'include' | ||
} | ||
} | ||
), | ||
hljs.COMMENT( | ||
/\/\*/, | ||
/\*\//, | ||
{ | ||
relevance: 0, | ||
// highlight doc strings mentioned in Stan reference | ||
contains: [ | ||
{ | ||
className: 'doctag', | ||
begin: /@(return|param)/ | ||
} | ||
] | ||
} | ||
), | ||
{ | ||
begin: hljs.UNDERSCORE_IDENT_RE, | ||
lexemes: hljs.UNDERSCORE_IDENT_RE, | ||
keywords: { | ||
// Stan's keywords | ||
name: | ||
'for in while repeat until if then else', | ||
// Stan's probablity distributions (less beta and gamma, as commonly | ||
// used for parameter names). So far, _log and _rng variants are not | ||
// included | ||
symbol: | ||
'bernoulli bernoulli_logit binomial binomial_logit ' + | ||
'beta_binomial hypergeometric categorical categorical_logit ' + | ||
'ordered_logistic neg_binomial neg_binomial_2 ' + | ||
'neg_binomial_2_log poisson poisson_log multinomial normal ' + | ||
'exp_mod_normal skew_normal student_t cauchy double_exponential ' + | ||
'logistic gumbel lognormal chi_square inv_chi_square ' + | ||
'scaled_inv_chi_square exponential inv_gamma weibull frechet ' + | ||
'rayleigh wiener pareto pareto_type_2 von_mises uniform ' + | ||
'multi_normal multi_normal_prec multi_normal_cholesky multi_gp ' + | ||
'multi_gp_cholesky multi_student_t gaussian_dlm_obs dirichlet ' + | ||
'lkj_corr lkj_corr_cholesky wishart inv_wishart', | ||
// Stan's data types | ||
'selector-tag': | ||
'int real vector simplex unit_vector ordered positive_ordered ' + | ||
'row_vector matrix cholesky_factor_corr cholesky_factor_cov ' + | ||
'corr_matrix cov_matrix', | ||
// Stan's model blocks | ||
title: | ||
'functions model data parameters quantities transformed ' + | ||
'generated', | ||
literal: | ||
'true false' | ||
}, | ||
relevance: 0 | ||
// hack: in range constraints, lower must follow "<" | ||
begin: /<\s*lower\s*=/, | ||
keywords: 'lower' | ||
}, | ||
// The below is all taken from the R language definition | ||
{ | ||
// hex value | ||
className: 'number', | ||
begin: "0[xX][0-9a-fA-F]+[Li]?\\b", | ||
relevance: 0 | ||
// hack: in range constraints, upper must follow either , or < | ||
// <lower = ..., upper = ...> or <upper = ...> | ||
begin: /[<,]*upper\s*=/, | ||
keywords: 'upper' | ||
}, | ||
{ | ||
// hex value | ||
className: 'number', | ||
begin: "0[xX][0-9a-fA-F]+[Li]?\\b", | ||
relevance: 0 | ||
className: 'keyword', | ||
begin: /\btarget\s*\+=/, | ||
relevance: 10 | ||
}, | ||
{ | ||
// explicit integer | ||
className: 'number', | ||
begin: "\\d+(?:[eE][+\\-]?\\d*)?L\\b", | ||
relevance: 0 | ||
}, | ||
{ | ||
// number with trailing decimal | ||
className: 'number', | ||
begin: "\\d+\\.(?!\\d)(?:i\\b)?", | ||
relevance: 0 | ||
begin: '~\\s*(' + hljs.IDENT_RE + ')\\s*\\(', | ||
keywords: DISTRIBUTIONS.join(' ') | ||
}, | ||
{ | ||
// number | ||
className: 'number', | ||
begin: "\\d+(?:\\.\\d*)?(?:[eE][+\\-]?\\d*)?i?\\b", | ||
variants: [ | ||
{ | ||
begin: /\b\d+(?:\.\d*)?(?:[eE][+-]?\d+)?/ | ||
}, | ||
{ | ||
begin: /\.\d+(?:[eE][+-]?\d+)?\b/ | ||
} | ||
], | ||
relevance: 0 | ||
}, | ||
{ | ||
// number with leading decimal | ||
className: 'number', | ||
begin: "\\.\\d+(?:[eE][+\\-]?\\d*)?i?\\b", | ||
className: 'string', | ||
begin: '"', | ||
end: '"', | ||
relevance: 0 | ||
} | ||
] | ||
}; | ||
} | ||
} |